-
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include "quakedef.h"
-#include "dpsoftrast.h"
-
-#ifndef __cplusplus
-typedef qboolean bool;
-#endif
-
-#if defined(__GNUC__)
-#define ALIGN(var) var __attribute__((__aligned__(16)))
-#elif defined(_MSC_VER)
-#define ALIGN(var) __declspec(align(16)) var
-#else
-#define ALIGN(var) var
-#endif
-
-#ifdef SSE2_PRESENT
-#include <emmintrin.h>
-
-#define MM_MALLOC(size) _mm_malloc(size, 16)
-
-static void *MM_CALLOC(size_t nmemb, size_t size)
-{
- void *ptr = _mm_malloc(nmemb*size, 16);
- if(ptr != NULL) memset(ptr, 0, nmemb*size);
- return ptr;
-}
-
-#define MM_FREE _mm_free
-#else
-#define MM_MALLOC(size) malloc(size)
-#define MM_CALLOC(nmemb, size) calloc(nmemb, size)
-#define MM_FREE free
-#endif
-
-typedef enum DPSOFTRAST_ARRAY_e
-{
- DPSOFTRAST_ARRAY_POSITION,
- DPSOFTRAST_ARRAY_COLOR,
- DPSOFTRAST_ARRAY_TEXCOORD0,
- DPSOFTRAST_ARRAY_TEXCOORD1,
- DPSOFTRAST_ARRAY_TEXCOORD2,
- DPSOFTRAST_ARRAY_TEXCOORD3,
- DPSOFTRAST_ARRAY_TEXCOORD4,
- DPSOFTRAST_ARRAY_TEXCOORD5,
- DPSOFTRAST_ARRAY_TEXCOORD6,
- DPSOFTRAST_ARRAY_TEXCOORD7,
- DPSOFTRAST_ARRAY_TOTAL
-}
-DPSOFTRAST_ARRAY;
-
-typedef struct DPSOFTRAST_Texture_s
-{
- int flags;
- int width;
- int height;
- int depth;
- int sides;
- DPSOFTRAST_TEXTURE_FILTER filter;
- int mipmaps;
- int size;
- unsigned char *bytes;
- int mipmap[DPSOFTRAST_MAXMIPMAPS][5];
-}
-DPSOFTRAST_Texture;
-
-typedef struct DPSOFTRAST_State_User_s
-{
- int colormask[4];
- int blendfunc[2];
- int blendsubtract;
- int depthmask;
- int depthtest;
- int depthfunc;
- int scissortest;
- int cullface;
- int alphatest;
- int alphafunc;
- float alphavalue;
- int scissor[4];
- int viewport[4];
- float depthrange[2];
- float polygonoffset[2];
- float color[4];
-}
-DPSOFTRAST_State_User;
-
-#define DPSOFTRAST_MAXSUBSPAN 16
-
-typedef ALIGN(struct DPSOFTRAST_State_Draw_Span_s
-{
- int start; // pixel index
- int length; // pixel count
- int startx; // usable range (according to pixelmask)
- int endx; // usable range (according to pixelmask)
- unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS]; // texcoord to screen space density values (for picking mipmap of textures)
- unsigned char *pixelmask; // true for pixels that passed depth test, false for others
- // [0][n][] is start interpolant values (projected)
- // [1][n][] is end interpolant values (projected)
- // [0][DPSOFTRAST_ARRAY_TOTAL][] is start screencoord4f
- // [1][DPSOFTRAST_ARRAY_TOTAL][] is end screencoord4f
- // NOTE: screencoord4f[3] is W (basically 1/Z), useful for depthbuffer
- ALIGN(float data[2][DPSOFTRAST_ARRAY_TOTAL+1][4]);
-}
-DPSOFTRAST_State_Draw_Span);
-
-#define DPSOFTRAST_DRAW_MAXSPANQUEUE 1024
-
-typedef struct DPSOFTRAST_State_Draw_s
-{
- int numvertices;
- int maxvertices;
- float *in_array4f[DPSOFTRAST_ARRAY_TOTAL];
- float *post_array4f[DPSOFTRAST_ARRAY_TOTAL];
- float *screencoord4f;
-
- // spans are queued in this structure for dispatch to the pixel shader,
- // partly to improve cache locality, partly for batching purposes, spans
- // are flushed before DrawTriangles returns to caller
- int numspans;
- DPSOFTRAST_State_Draw_Span spanqueue[DPSOFTRAST_DRAW_MAXSPANQUEUE];
-}
-DPSOFTRAST_State_Draw;
-
-#define DPSOFTRAST_VALIDATE_FB 1
-#define DPSOFTRAST_VALIDATE_DEPTHFUNC 2
-#define DPSOFTRAST_VALIDATE_BLENDFUNC 4
-#define DPSOFTRAST_VALIDATE_DRAW (DPSOFTRAST_VALIDATE_FB | DPSOFTRAST_VALIDATE_DEPTHFUNC | DPSOFTRAST_VALIDATE_BLENDFUNC)
-
-typedef enum DPSOFTRAST_BLENDMODE_e
-{
- DPSOFTRAST_BLENDMODE_OPAQUE,
- DPSOFTRAST_BLENDMODE_ALPHA,
- DPSOFTRAST_BLENDMODE_ADDALPHA,
- DPSOFTRAST_BLENDMODE_ADD,
- DPSOFTRAST_BLENDMODE_INVMOD,
- DPSOFTRAST_BLENDMODE_MUL,
- DPSOFTRAST_BLENDMODE_MUL2,
- DPSOFTRAST_BLENDMODE_SUBALPHA,
- DPSOFTRAST_BLENDMODE_PSEUDOALPHA,
- DPSOFTRAST_BLENDMODE_TOTAL
-}
-DPSOFTRAST_BLENDMODE;
-
-typedef ALIGN(struct DPSOFTRAST_State_s
-{
- // DPSOFTRAST_VALIDATE_ flags
- int validate;
-
- int fb_colormask;
- int fb_width;
- int fb_height;
- unsigned int *fb_depthpixels;
- unsigned int *fb_colorpixels[4];
-
- const float *pointer_vertex3f;
- const float *pointer_color4f;
- const unsigned char *pointer_color4ub;
- const float *pointer_texcoordf[DPSOFTRAST_MAXTEXCOORDARRAYS];
- int stride_vertex;
- int stride_color;
- int stride_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS];
- int components_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS];
- DPSOFTRAST_Texture *texbound[DPSOFTRAST_MAXTEXTUREUNITS];
-
- int shader_mode;
- int shader_permutation;
- ALIGN(float uniform4f[DPSOFTRAST_UNIFORM_TOTAL*4]);
- int uniform1i[DPSOFTRAST_UNIFORM_TOTAL];
-
- // derived values (DPSOFTRAST_VALIDATE_FB)
- int fb_clearscissor[4];
- int fb_viewport[4];
- int fb_viewportscissor[4];
- ALIGN(float fb_viewportcenter[4]);
- ALIGN(float fb_viewportscale[4]);
-
- // derived values (DPSOFTRAST_VALIDATE_DEPTHFUNC)
- int fb_depthfunc;
-
- // derived values (DPSOFTRAST_VALIDATE_BLENDFUNC)
- int fb_blendmode;
-
- int texture_max;
- int texture_end;
- int texture_firstfree;
- DPSOFTRAST_Texture *texture;
-
- int bigendian;
-
- // error reporting
- const char *errorstring;
-
- DPSOFTRAST_State_User user;
-
- DPSOFTRAST_State_Draw draw;
-}
-DPSOFTRAST_State);
-
-DPSOFTRAST_State dpsoftrast;
-
-extern int dpsoftrast_test;
-
-#define DPSOFTRAST_DEPTHSCALE (1024.0f*1048576.0f)
-#define DPSOFTRAST_DEPTHOFFSET (128.0f)
-#define DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a) (((int)(r * 255.0f + 0.5f) << 16) | ((int)(g * 255.0f + 0.5f) << 8) | (int)(b * 255.0f + 0.5f) | ((int)(a * 255.0f + 0.5f) << 24))
-#define DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d) ((int)(DPSOFTRAST_DEPTHSCALE * (1-d)))
-#define DPSOFTRAST_DRAW_MAXSPANLENGTH 256
-
-void DPSOFTRAST_RecalcFB(void)
-{
- // calculate framebuffer scissor, viewport, viewport clipped by scissor,
- // and viewport projection values
- int x1, x2, x3, x4, x5, x6;
- int y1, y2, y3, y4, y5, y6;
- x1 = dpsoftrast.user.scissor[0];
- x2 = dpsoftrast.user.scissor[0] + dpsoftrast.user.scissor[2];
- x3 = dpsoftrast.user.viewport[0];
- x4 = dpsoftrast.user.viewport[0] + dpsoftrast.user.viewport[2];
- y1 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1] - dpsoftrast.user.scissor[3];
- y2 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1];
- y3 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - dpsoftrast.user.viewport[3];
- y4 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1];
- if (!dpsoftrast.user.scissortest) {x1 = 0;y1 = 0;x2 = dpsoftrast.fb_width;y2 = dpsoftrast.fb_height;}
- if (x1 < 0) x1 = 0;
- if (x2 > dpsoftrast.fb_width) x2 = dpsoftrast.fb_width;
- if (x3 < 0) x1 = 0;
- if (x4 > dpsoftrast.fb_width) x4 = dpsoftrast.fb_width;
- if (y1 < 0) y1 = 0;
- if (y2 > dpsoftrast.fb_height) y2 = dpsoftrast.fb_height;
- if (y3 < 0) y1 = 0;
- if (y4 > dpsoftrast.fb_height) y4 = dpsoftrast.fb_height;
- x5 = x1;if (x5 < x3) x5 = x3;
- x6 = x2;if (x6 > x4) x4 = x4;
- y5 = y1;if (y5 < y3) y5 = y3;
- y6 = y2;if (y6 > y4) y6 = y4;
- dpsoftrast.fb_clearscissor[0] = x1;
- dpsoftrast.fb_clearscissor[1] = y1;
- dpsoftrast.fb_clearscissor[2] = x2 - x1;
- dpsoftrast.fb_clearscissor[3] = y2 - y1;
- dpsoftrast.fb_viewport[0] = x3;
- dpsoftrast.fb_viewport[1] = y3;
- dpsoftrast.fb_viewport[2] = x4 - x3;
- dpsoftrast.fb_viewport[3] = y4 - y3;
- dpsoftrast.fb_viewportscissor[0] = x5;
- dpsoftrast.fb_viewportscissor[1] = y5;
- dpsoftrast.fb_viewportscissor[2] = x6 - x5;
- dpsoftrast.fb_viewportscissor[3] = y6 - y5;
- dpsoftrast.fb_viewportcenter[1] = dpsoftrast.user.viewport[0] + 0.5f * dpsoftrast.user.viewport[2] - 0.5f;
- dpsoftrast.fb_viewportcenter[2] = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - 0.5f * dpsoftrast.user.viewport[3] - 0.5f;
- dpsoftrast.fb_viewportcenter[3] = 0.5f;
- dpsoftrast.fb_viewportcenter[0] = 0.0f;
- dpsoftrast.fb_viewportscale[1] = 0.5f * dpsoftrast.user.viewport[2];
- dpsoftrast.fb_viewportscale[2] = -0.5f * dpsoftrast.user.viewport[3];
- dpsoftrast.fb_viewportscale[3] = 0.5f;
- dpsoftrast.fb_viewportscale[0] = 1.0f;
-}
-
-void DPSOFTRAST_RecalcDepthFunc(void)
-{
- dpsoftrast.fb_depthfunc = dpsoftrast.user.depthtest ? dpsoftrast.user.depthfunc : GL_ALWAYS;
-}
-
-int blendmodetable[][4] =
-{
- {DPSOFTRAST_BLENDMODE_OPAQUE, GL_ONE, GL_ZERO, false},
- {DPSOFTRAST_BLENDMODE_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, false},
- {DPSOFTRAST_BLENDMODE_ADDALPHA, GL_SRC_ALPHA, GL_ONE, false},
- {DPSOFTRAST_BLENDMODE_ADD, GL_ONE, GL_ONE, false},
- {DPSOFTRAST_BLENDMODE_INVMOD, GL_ZERO, GL_ONE_MINUS_SRC_COLOR, false},
- {DPSOFTRAST_BLENDMODE_MUL, GL_ZERO, GL_SRC_COLOR, false},
- {DPSOFTRAST_BLENDMODE_MUL, GL_DST_COLOR, GL_ZERO, false},
- {DPSOFTRAST_BLENDMODE_MUL2, GL_DST_COLOR, GL_SRC_COLOR, false},
- {DPSOFTRAST_BLENDMODE_PSEUDOALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, false},
- {DPSOFTRAST_BLENDMODE_SUBALPHA, GL_SRC_COLOR, GL_ONE, true}
-};
-
-void DPSOFTRAST_RecalcBlendFunc(void)
-{
- int i;
- dpsoftrast.fb_blendmode = DPSOFTRAST_BLENDMODE_OPAQUE;
- for (i = 0;i < (int)(sizeof(blendmodetable) / sizeof(blendmodetable[0]));i++)
- {
- if (dpsoftrast.user.blendfunc[0] == blendmodetable[i][1] && dpsoftrast.user.blendfunc[1] == blendmodetable[i][2] && dpsoftrast.user.blendsubtract == blendmodetable[i][3])
- {
- dpsoftrast.fb_blendmode = blendmodetable[i][0];
- break;
- }
- }
-}
-
-#define DPSOFTRAST_ValidateQuick(f) ((dpsoftrast.validate & (f)) ? (DPSOFTRAST_Validate(f), 0) : 0)
-
-void DPSOFTRAST_Validate(int mask)
-{
- mask &= dpsoftrast.validate;
- if (!mask)
- return;
- if (mask & DPSOFTRAST_VALIDATE_FB)
- {
- dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_FB;
- DPSOFTRAST_RecalcFB();
- }
- if (mask & DPSOFTRAST_VALIDATE_DEPTHFUNC)
- {
- dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_DEPTHFUNC;
- DPSOFTRAST_RecalcDepthFunc();
- }
- if (mask & DPSOFTRAST_VALIDATE_BLENDFUNC)
- {
- dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_BLENDFUNC;
- DPSOFTRAST_RecalcBlendFunc();
- }
-}
-
-DPSOFTRAST_Texture *DPSOFTRAST_Texture_GetByIndex(int index)
-{
- if (index >= 1 && index < dpsoftrast.texture_end && dpsoftrast.texture[index].bytes)
- return &dpsoftrast.texture[index];
- return NULL;
-}
-
-int DPSOFTRAST_Texture_New(int flags, int width, int height, int depth)
-{
- int w;
- int h;
- int d;
- int size;
- int s;
- int texnum;
- int mipmaps;
- int sides = (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) ? 6 : 1;
- int texformat = flags & DPSOFTRAST_TEXTURE_FORMAT_COMPAREMASK;
- DPSOFTRAST_Texture *texture;
- if (width*height*depth < 1)
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: width, height or depth is less than 1";
- return 0;
- }
- if (width > DPSOFTRAST_TEXTURE_MAXSIZE || height > DPSOFTRAST_TEXTURE_MAXSIZE || depth > DPSOFTRAST_TEXTURE_MAXSIZE)
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: texture size is too large";
- return 0;
- }
- switch(texformat)
- {
- case DPSOFTRAST_TEXTURE_FORMAT_BGRA8:
- case DPSOFTRAST_TEXTURE_FORMAT_RGBA8:
- case DPSOFTRAST_TEXTURE_FORMAT_ALPHA8:
- break;
- case DPSOFTRAST_TEXTURE_FORMAT_DEPTH:
- if (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP)
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
- return 0;
- }
- if (depth != 1)
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
- return 0;
- }
- if ((flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && (texformat == DPSOFTRAST_TEXTURE_FORMAT_DEPTH))
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH does not permit mipmaps";
- return 0;
- }
- break;
- }
- if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP))
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_CUBEMAP can not be used on 3D textures";
- return 0;
- }
- if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
- return 0;
- }
- if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
- return 0;
- }
- if ((flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on cubemap textures";
- return 0;
- }
- if ((width & (width-1)) || (height & (height-1)) || (depth & (depth-1)))
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: dimensions are not power of two";
- return 0;
- }
- // find first empty slot in texture array
- for (texnum = dpsoftrast.texture_firstfree;texnum < dpsoftrast.texture_end;texnum++)
- if (!dpsoftrast.texture[texnum].bytes)
- break;
- dpsoftrast.texture_firstfree = texnum + 1;
- if (dpsoftrast.texture_max <= texnum)
- {
- // expand texture array as needed
- if (dpsoftrast.texture_max < 1024)
- dpsoftrast.texture_max = 1024;
- else
- dpsoftrast.texture_max *= 2;
- dpsoftrast.texture = (DPSOFTRAST_Texture *)realloc(dpsoftrast.texture, dpsoftrast.texture_max * sizeof(DPSOFTRAST_Texture));
- }
- if (dpsoftrast.texture_end <= texnum)
- dpsoftrast.texture_end = texnum + 1;
- texture = &dpsoftrast.texture[texnum];
- memset(texture, 0, sizeof(*texture));
- texture->flags = flags;
- texture->width = width;
- texture->height = height;
- texture->depth = depth;
- texture->sides = sides;
- w = width;
- h = height;
- d = depth;
- size = 0;
- mipmaps = 0;
- w = width;
- h = height;
- d = depth;
- for (;;)
- {
- s = w * h * d * sides * 4;
- texture->mipmap[mipmaps][0] = size;
- texture->mipmap[mipmaps][1] = s;
- texture->mipmap[mipmaps][2] = w;
- texture->mipmap[mipmaps][3] = h;
- texture->mipmap[mipmaps][4] = d;
- size += s;
- mipmaps++;
- if (w * h * d == 1 || !(flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
- break;
- if (w > 1) w >>= 1;
- if (h > 1) h >>= 1;
- if (d > 1) d >>= 1;
- }
- texture->mipmaps = mipmaps;
- texture->size = size;
-
- // allocate the pixels now
- texture->bytes = (unsigned char *)MM_CALLOC(1, size);
-
- return texnum;
-}
-void DPSOFTRAST_Texture_Free(int index)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
- if (texture->bytes)
- MM_FREE(texture->bytes);
- texture->bytes = NULL;
- memset(texture, 0, sizeof(*texture));
- // adjust the free range and used range
- if (dpsoftrast.texture_firstfree > index)
- dpsoftrast.texture_firstfree = index;
- while (dpsoftrast.texture_end > 0 && dpsoftrast.texture[dpsoftrast.texture_end-1].bytes == NULL)
- dpsoftrast.texture_end--;
-}
-void DPSOFTRAST_Texture_CalculateMipmaps(int index)
-{
- int i, x, y, z, w, layer0, layer1, row0, row1;
- unsigned char *o, *i0, *i1, *i2, *i3;
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
- if (texture->mipmaps <= 1)
- return;
- for (i = 1;i < texture->mipmaps;i++)
- {
- for (z = 0;z < texture->mipmap[i][4];z++)
- {
- layer0 = z*2;
- layer1 = z*2+1;
- if (layer1 >= texture->mipmap[i-1][4])
- layer1 = texture->mipmap[i-1][4]-1;
- for (y = 0;y < texture->mipmap[i][3];y++)
- {
- row0 = y*2;
- row1 = y*2+1;
- if (row1 >= texture->mipmap[i-1][3])
- row1 = texture->mipmap[i-1][3]-1;
- o = texture->bytes + texture->mipmap[i ][0] + 4*((texture->mipmap[i ][3] * z + y ) * texture->mipmap[i ][2]);
- i0 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row0) * texture->mipmap[i-1][2]);
- i1 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row1) * texture->mipmap[i-1][2]);
- i2 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row0) * texture->mipmap[i-1][2]);
- i3 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row1) * texture->mipmap[i-1][2]);
- w = texture->mipmap[i][2];
- if (layer1 > layer0)
- {
- if (texture->mipmap[i-1][2] > 1)
- {
- // average 3D texture
- for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8, i2 += 8, i3 += 8)
- {
- o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + i2[0] + i2[4] + i3[0] + i3[4] + 4) >> 3;
- o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + i2[1] + i2[5] + i3[1] + i3[5] + 4) >> 3;
- o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + i2[2] + i2[6] + i3[2] + i3[6] + 4) >> 3;
- o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + i2[3] + i2[7] + i3[3] + i3[7] + 4) >> 3;
- }
- }
- else
- {
- // average 3D mipmap with parent width == 1
- for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
- {
- o[0] = (i0[0] + i1[0] + i2[0] + i3[0] + 2) >> 2;
- o[1] = (i0[1] + i1[1] + i2[1] + i3[1] + 2) >> 2;
- o[2] = (i0[2] + i1[2] + i2[2] + i3[2] + 2) >> 2;
- o[3] = (i0[3] + i1[3] + i2[3] + i3[3] + 2) >> 2;
- }
- }
- }
- else
- {
- if (texture->mipmap[i-1][2] > 1)
- {
- // average 2D texture (common case)
- for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
- {
- o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + 2) >> 2;
- o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + 2) >> 2;
- o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + 2) >> 2;
- o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + 2) >> 2;
- }
- }
- else
- {
- // 2D texture with parent width == 1
- o[0] = (i0[0] + i1[0] + 1) >> 1;
- o[1] = (i0[1] + i1[1] + 1) >> 1;
- o[2] = (i0[2] + i1[2] + 1) >> 1;
- o[3] = (i0[3] + i1[3] + 1) >> 1;
- }
- }
- }
- }
- }
-}
-void DPSOFTRAST_Texture_UpdatePartial(int index, int mip, const unsigned char *pixels, int blockx, int blocky, int blockwidth, int blockheight)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
-
- // FIXME IMPLEMENT
-
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_UpdatePartial: Not implemented.";
-}
-void DPSOFTRAST_Texture_UpdateFull(int index, const unsigned char *pixels)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
-
- memcpy(texture->bytes, pixels, texture->mipmap[0][1]);
- DPSOFTRAST_Texture_CalculateMipmaps(index);
-}
-int DPSOFTRAST_Texture_GetWidth(int index, int mip)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
- return texture->mipmap[mip][2];
-}
-int DPSOFTRAST_Texture_GetHeight(int index, int mip)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
- return texture->mipmap[mip][3];
-}
-int DPSOFTRAST_Texture_GetDepth(int index, int mip)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
- return texture->mipmap[mip][4];
-}
-unsigned char *DPSOFTRAST_Texture_GetPixelPointer(int index, int mip)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
- return texture->bytes + texture->mipmap[mip][0];
-}
-void DPSOFTRAST_Texture_Filter(int index, DPSOFTRAST_TEXTURE_FILTER filter)
-{
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
- if (!(texture->flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && filter > DPSOFTRAST_TEXTURE_FILTER_LINEAR)
- {
- dpsoftrast.errorstring = "DPSOFTRAST_Texture_Filter: requested filter mode requires mipmaps";
- return;
- }
- texture->filter = filter;
-}
-
-void DPSOFTRAST_SetRenderTargets(int width, int height, unsigned int *depthpixels, unsigned int *colorpixels0, unsigned int *colorpixels1, unsigned int *colorpixels2, unsigned int *colorpixels3)
-{
- dpsoftrast.fb_width = width;
- dpsoftrast.fb_height = height;
- dpsoftrast.fb_depthpixels = depthpixels;
- dpsoftrast.fb_colorpixels[0] = colorpixels0;
- dpsoftrast.fb_colorpixels[1] = colorpixels1;
- dpsoftrast.fb_colorpixels[2] = colorpixels2;
- dpsoftrast.fb_colorpixels[3] = colorpixels3;
-}
-void DPSOFTRAST_Viewport(int x, int y, int width, int height)
-{
- dpsoftrast.user.viewport[0] = x;
- dpsoftrast.user.viewport[1] = y;
- dpsoftrast.user.viewport[2] = width;
- dpsoftrast.user.viewport[3] = height;
- dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
-}
-void DPSOFTRAST_ClearColor(float r, float g, float b, float a)
-{
- int i, x1, y1, x2, y2, w, h, x, y;
- unsigned int *p;
- unsigned int c;
- DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
- x1 = dpsoftrast.fb_clearscissor[0];
- y1 = dpsoftrast.fb_clearscissor[1];
- x2 = dpsoftrast.fb_clearscissor[2];
- y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
- w = x2 - x1;
- h = y2 - y1;
- if (w < 1 || h < 1)
- return;
- // FIXME: honor dpsoftrast.fb_colormask?
- c = DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a);
- for (i = 0;i < 4;i++)
- {
- if (!dpsoftrast.fb_colorpixels[i])
- continue;
- for (y = y1;y < y2;y++)
- {
- p = dpsoftrast.fb_colorpixels[i] + y * dpsoftrast.fb_width;
- for (x = x1;x < x2;x++)
- p[x] = c;
- }
- }
-}
-void DPSOFTRAST_ClearDepth(float d)
-{
- int x1, y1, x2, y2, w, h, x, y;
- unsigned int *p;
- unsigned int c;
- DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
- x1 = dpsoftrast.fb_clearscissor[0];
- y1 = dpsoftrast.fb_clearscissor[1];
- x2 = dpsoftrast.fb_clearscissor[2];
- y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
- w = x2 - x1;
- h = y2 - y1;
- if (w < 1 || h < 1)
- return;
- c = DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d);
- for (y = y1;y < y2;y++)
- {
- p = dpsoftrast.fb_depthpixels + y * dpsoftrast.fb_width;
- for (x = x1;x < x2;x++)
- p[x] = c;
- }
-}
-void DPSOFTRAST_ColorMask(int r, int g, int b, int a)
-{
- dpsoftrast.user.colormask[0] = r != 0;
- dpsoftrast.user.colormask[1] = g != 0;
- dpsoftrast.user.colormask[2] = b != 0;
- dpsoftrast.user.colormask[3] = a != 0;
- dpsoftrast.fb_colormask = ((-dpsoftrast.user.colormask[0]) & 0x00FF0000) | ((-dpsoftrast.user.colormask[1]) & 0x0000FF00) | ((-dpsoftrast.user.colormask[2]) & 0x000000FF) | ((-dpsoftrast.user.colormask[3]) & 0xFF000000);
-}
-void DPSOFTRAST_DepthTest(int enable)
-{
- dpsoftrast.user.depthtest = enable;
- dpsoftrast.validate |= DPSOFTRAST_VALIDATE_DEPTHFUNC;
-}
-void DPSOFTRAST_ScissorTest(int enable)
-{
- dpsoftrast.user.scissortest = enable;
- dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
-}
-void DPSOFTRAST_Scissor(float x, float y, float width, float height)
-{
- dpsoftrast.user.scissor[0] = x;
- dpsoftrast.user.scissor[1] = y;
- dpsoftrast.user.scissor[2] = width;
- dpsoftrast.user.scissor[3] = height;
- dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
-}
-
-void DPSOFTRAST_BlendFunc(int smodulate, int dmodulate)
-{
- // FIXME: validate
- dpsoftrast.user.blendfunc[0] = smodulate;
- dpsoftrast.user.blendfunc[1] = dmodulate;
- dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
-}
-void DPSOFTRAST_BlendSubtract(int enable)
-{
- dpsoftrast.user.blendsubtract = enable != 0;
- dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
-}
-void DPSOFTRAST_DepthMask(int enable)
-{
- dpsoftrast.user.depthmask = enable;
-}
-void DPSOFTRAST_DepthFunc(int comparemode)
-{
- // FIXME: validate
- dpsoftrast.user.depthfunc = comparemode;
-}
-void DPSOFTRAST_DepthRange(float range0, float range1)
-{
- dpsoftrast.user.depthrange[0] = range0;
- dpsoftrast.user.depthrange[1] = range1;
-}
-void DPSOFTRAST_PolygonOffset(float alongnormal, float intoview)
-{
- dpsoftrast.user.polygonoffset[0] = alongnormal;
- dpsoftrast.user.polygonoffset[1] = intoview;
-}
-void DPSOFTRAST_CullFace(int mode)
-{
- // FIXME: validate
- dpsoftrast.user.cullface = mode;
-}
-void DPSOFTRAST_AlphaTest(float enable)
-{
- dpsoftrast.user.alphatest = enable;
-}
-void DPSOFTRAST_AlphaFunc(int alphafunc, float alphavalue)
-{
- // FIXME: validate
- dpsoftrast.user.alphafunc = alphafunc;
- dpsoftrast.user.alphavalue = alphavalue;
-}
-void DPSOFTRAST_Color4f(float r, float g, float b, float a)
-{
- dpsoftrast.user.color[0] = r;
- dpsoftrast.user.color[1] = g;
- dpsoftrast.user.color[2] = b;
- dpsoftrast.user.color[3] = a;
-}
-void DPSOFTRAST_GetPixelsBGRA(int blockx, int blocky, int blockwidth, int blockheight, unsigned char *outpixels)
-{
- int outstride = blockwidth * 4;
- int instride = dpsoftrast.fb_width * 4;
- int bx1 = blockx;
- int by1 = blocky;
- int bx2 = blockx + blockwidth;
- int by2 = blocky + blockheight;
- int bw;
- int bh;
- int x;
- int y;
- unsigned char *inpixels;
- unsigned char *b;
- unsigned char *o;
- if (bx1 < 0) bx1 = 0;
- if (by1 < 0) by1 = 0;
- if (bx2 > dpsoftrast.fb_width) bx2 = dpsoftrast.fb_width;
- if (by2 > dpsoftrast.fb_height) by2 = dpsoftrast.fb_height;
- bw = bx2 - bx1;
- bh = by2 - by1;
- inpixels = (unsigned char *)dpsoftrast.fb_colorpixels[0];
- if (dpsoftrast.bigendian)
- {
- for (y = by1;y < by2;y++)
- {
- b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
- o = (unsigned char *)outpixels + (y - by1) * outstride;
- for (x = bx1;x < bx2;x++)
- {
- o[0] = b[3];
- o[1] = b[2];
- o[2] = b[1];
- o[3] = b[0];
- o += 4;
- b += 4;
- }
- }
- }
- else
- {
- for (y = by1;y < by2;y++)
- {
- b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
- o = (unsigned char *)outpixels + (y - by1) * outstride;
- memcpy(o, b, bw*4);
- }
- }
-
-}
-void DPSOFTRAST_CopyRectangleToTexture(int index, int mip, int tx, int ty, int sx, int sy, int width, int height)
-{
- int tx1 = tx;
- int ty1 = ty;
- int tx2 = tx + width;
- int ty2 = ty + height;
- int sx1 = sx;
- int sy1 = sy;
- int sx2 = sx + width;
- int sy2 = sy + height;
- int swidth;
- int sheight;
- int twidth;
- int theight;
- int sw;
- int sh;
- int tw;
- int th;
- int y;
- unsigned int *spixels;
- unsigned int *tpixels;
- DPSOFTRAST_Texture *texture;
- texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
- if (mip < 0 || mip >= texture->mipmaps) return;
- spixels = dpsoftrast.fb_colorpixels[0];
- swidth = dpsoftrast.fb_width;
- sheight = dpsoftrast.fb_height;
- tpixels = (unsigned int *)(texture->bytes + texture->mipmap[mip][0]);
- twidth = texture->mipmap[mip][2];
- theight = texture->mipmap[mip][3];
- if (tx1 < 0) tx1 = 0;
- if (ty1 < 0) ty1 = 0;
- if (tx2 > twidth) tx2 = twidth;
- if (ty2 > theight) ty2 = theight;
- if (sx1 < 0) sx1 = 0;
- if (sy1 < 0) sy1 = 0;
- if (sx2 > swidth) sx2 = swidth;
- if (sy2 > sheight) sy2 = sheight;
- tw = tx2 - tx1;
- th = ty2 - ty1;
- sw = sx2 - sx1;
- sh = sy2 - sy1;
- if (tw > sw) tw = sw;
- if (th > sh) th = sh;
- if (tw < 1 || th < 1)
- return;
- for (y = 0;y < th;y++)
- memcpy(tpixels + ((ty1 + y) * twidth + tx1), spixels + ((sy1 + y) * swidth + sx1), tw*4);
- if (texture->mipmaps > 1)
- DPSOFTRAST_Texture_CalculateMipmaps(index);
-}
-void DPSOFTRAST_SetTexture(int unitnum, int index)
-{
- DPSOFTRAST_Texture *texture;
- if (unitnum < 0 || unitnum >= DPSOFTRAST_MAXTEXTUREUNITS)
- {
- dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid unit number";
- return;
- }
- texture = DPSOFTRAST_Texture_GetByIndex(index);
- if (index && !texture)
- {
- dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid texture handle";
- return;
- }
- dpsoftrast.texbound[unitnum] = texture;
-}
-
-void DPSOFTRAST_SetVertexPointer(const float *vertex3f, size_t stride)
-{
- dpsoftrast.pointer_vertex3f = vertex3f;
- dpsoftrast.stride_vertex = stride;
-}
-void DPSOFTRAST_SetColorPointer(const float *color4f, size_t stride)
-{
- dpsoftrast.pointer_color4f = color4f;
- dpsoftrast.pointer_color4ub = NULL;
- dpsoftrast.stride_color = stride;
-}
-void DPSOFTRAST_SetColorPointer4ub(const unsigned char *color4ub, size_t stride)
-{
- dpsoftrast.pointer_color4f = NULL;
- dpsoftrast.pointer_color4ub = color4ub;
- dpsoftrast.stride_color = stride;
-}
-void DPSOFTRAST_SetTexCoordPointer(int unitnum, int numcomponents, size_t stride, const float *texcoordf)
-{
- dpsoftrast.pointer_texcoordf[unitnum] = texcoordf;
- dpsoftrast.components_texcoord[unitnum] = numcomponents;
- dpsoftrast.stride_texcoord[unitnum] = stride;
-}
-
-void DPSOFTRAST_SetShader(unsigned int mode, unsigned int permutation)
-{
- dpsoftrast.shader_mode = mode;
- dpsoftrast.shader_permutation = permutation;
-}
-void DPSOFTRAST_Uniform4fARB(DPSOFTRAST_UNIFORM index, float v0, float v1, float v2, float v3)
-{
- dpsoftrast.uniform4f[index*4+0] = v0;
- dpsoftrast.uniform4f[index*4+1] = v1;
- dpsoftrast.uniform4f[index*4+2] = v2;
- dpsoftrast.uniform4f[index*4+3] = v3;
-}
-void DPSOFTRAST_Uniform4fvARB(DPSOFTRAST_UNIFORM index, const float *v)
-{
- dpsoftrast.uniform4f[index*4+0] = v[0];
- dpsoftrast.uniform4f[index*4+1] = v[1];
- dpsoftrast.uniform4f[index*4+2] = v[2];
- dpsoftrast.uniform4f[index*4+3] = v[3];
-}
-void DPSOFTRAST_UniformMatrix4fvARB(DPSOFTRAST_UNIFORM index, int arraysize, int transpose, const float *v)
-{
- int i;
- for (i = 0;i < arraysize;i++, index += 4, v += 16)
- {
- if (transpose)
- {
- dpsoftrast.uniform4f[index*4+0] = v[0];
- dpsoftrast.uniform4f[index*4+1] = v[4];
- dpsoftrast.uniform4f[index*4+2] = v[8];
- dpsoftrast.uniform4f[index*4+3] = v[12];
- dpsoftrast.uniform4f[index*4+4] = v[1];
- dpsoftrast.uniform4f[index*4+5] = v[5];
- dpsoftrast.uniform4f[index*4+6] = v[9];
- dpsoftrast.uniform4f[index*4+7] = v[13];
- dpsoftrast.uniform4f[index*4+8] = v[2];
- dpsoftrast.uniform4f[index*4+9] = v[6];
- dpsoftrast.uniform4f[index*4+10] = v[10];
- dpsoftrast.uniform4f[index*4+11] = v[14];
- dpsoftrast.uniform4f[index*4+12] = v[3];
- dpsoftrast.uniform4f[index*4+13] = v[7];
- dpsoftrast.uniform4f[index*4+14] = v[11];
- dpsoftrast.uniform4f[index*4+15] = v[15];
- }
- else
- {
- dpsoftrast.uniform4f[index*4+0] = v[0];
- dpsoftrast.uniform4f[index*4+1] = v[1];
- dpsoftrast.uniform4f[index*4+2] = v[2];
- dpsoftrast.uniform4f[index*4+3] = v[3];
- dpsoftrast.uniform4f[index*4+4] = v[4];
- dpsoftrast.uniform4f[index*4+5] = v[5];
- dpsoftrast.uniform4f[index*4+6] = v[6];
- dpsoftrast.uniform4f[index*4+7] = v[7];
- dpsoftrast.uniform4f[index*4+8] = v[8];
- dpsoftrast.uniform4f[index*4+9] = v[9];
- dpsoftrast.uniform4f[index*4+10] = v[10];
- dpsoftrast.uniform4f[index*4+11] = v[11];
- dpsoftrast.uniform4f[index*4+12] = v[12];
- dpsoftrast.uniform4f[index*4+13] = v[13];
- dpsoftrast.uniform4f[index*4+14] = v[14];
- dpsoftrast.uniform4f[index*4+15] = v[15];
- }
- }
-}
-void DPSOFTRAST_Uniform1iARB(DPSOFTRAST_UNIFORM index, int i0)
-{
- dpsoftrast.uniform1i[index] = i0;
-}
-
-void DPSOFTRAST_Draw_LoadVertices(int firstvertex, int numvertices, bool needcolors)
-{
- int i;
- int j;
- int stride;
- const float *v;
- float *p;
- float *data;
- const unsigned char *b;
- dpsoftrast.draw.numvertices = numvertices;
- if (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
- {
- if (dpsoftrast.draw.maxvertices < 4096)
- dpsoftrast.draw.maxvertices = 4096;
- while (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
- dpsoftrast.draw.maxvertices *= 2;
- if (dpsoftrast.draw.in_array4f[0])
- MM_FREE(dpsoftrast.draw.in_array4f[0]);
- data = (float *)MM_CALLOC(1, dpsoftrast.draw.maxvertices * sizeof(float[4])*(DPSOFTRAST_ARRAY_TOTAL*2 + 1));
- for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
- dpsoftrast.draw.in_array4f[i] = data;
- for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
- dpsoftrast.draw.post_array4f[i] = data;
- dpsoftrast.draw.screencoord4f = data;
- data += dpsoftrast.draw.maxvertices * 4;
- }
- stride = dpsoftrast.stride_vertex;
- v = (const float *)((unsigned char *)dpsoftrast.pointer_vertex3f + firstvertex * stride);
- p = dpsoftrast.draw.in_array4f[0];
- for (i = 0;i < numvertices;i++)
- {
- p[0] = v[0];
- p[1] = v[1];
- p[2] = v[2];
- p[3] = 1.0f;
- p += 4;
- v = (const float *)((const unsigned char *)v + stride);
- }
- if (needcolors)
- {
- if (dpsoftrast.pointer_color4f)
- {
- stride = dpsoftrast.stride_color;
- v = (const float *)((const unsigned char *)dpsoftrast.pointer_color4f + firstvertex * stride);
- p = dpsoftrast.draw.in_array4f[1];
- for (i = 0;i < numvertices;i++)
- {
- p[0] = v[0];
- p[1] = v[1];
- p[2] = v[2];
- p[3] = v[3];
- p += 4;
- v = (const float *)((const unsigned char *)v + stride);
- }
- }
- else if (dpsoftrast.pointer_color4ub)
- {
- stride = dpsoftrast.stride_color;
- b = (const unsigned char *)((const unsigned char *)dpsoftrast.pointer_color4ub + firstvertex * stride);
- p = dpsoftrast.draw.in_array4f[1];
- for (i = 0;i < numvertices;i++)
- {
- p[0] = b[0] * (1.0f / 255.0f);
- p[1] = b[1] * (1.0f / 255.0f);
- p[2] = b[2] * (1.0f / 255.0f);
- p[3] = b[3] * (1.0f / 255.0f);
- p += 4;
- b = (const unsigned char *)((const unsigned char *)b + stride);
- }
- }
- else
- {
- v = dpsoftrast.user.color;
- p = dpsoftrast.draw.in_array4f[1];
- for (i = 0;i < numvertices;i++)
- {
- p[0] = v[0];
- p[1] = v[1];
- p[2] = v[2];
- p[3] = v[3];
- p += 4;
- }
- }
- }
- for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL-2;j++)
- {
- if (dpsoftrast.pointer_texcoordf[j])
- {
- stride = dpsoftrast.stride_texcoord[j];
- v = (const float *)((const unsigned char *)dpsoftrast.pointer_texcoordf[j] + firstvertex * stride);
- p = dpsoftrast.draw.in_array4f[j+2];
- switch(dpsoftrast.components_texcoord[j])
- {
- case 2:
- for (i = 0;i < numvertices;i++)
- {
- p[0] = v[0];
- p[1] = v[1];
- p[2] = 0.0f;
- p[3] = 1.0f;
- p += 4;
- v = (const float *)((const unsigned char *)v + stride);
- }
- break;
- case 3:
- for (i = 0;i < numvertices;i++)
- {
- p[0] = v[0];
- p[1] = v[1];
- p[2] = v[2];
- p[3] = 1.0f;
- p += 4;
- v = (const float *)((const unsigned char *)v + stride);
- }
- break;
- case 4:
- for (i = 0;i < numvertices;i++)
- {
- p[0] = v[0];
- p[1] = v[1];
- p[2] = v[2];
- p[3] = v[3];
- p += 4;
- v = (const float *)((const unsigned char *)v + stride);
- }
- break;
- }
- }
- }
-}
-
-void DPSOFTRAST_Array_Transform(float *out4f, const float *in4f, int numitems, const float *inmatrix16f)
-{
- static const float identitymatrix[4][4] = {{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}};
- // TODO: SIMD
- float matrix[4][4];
- int i;
- memcpy(matrix, inmatrix16f, sizeof(float[16]));
- if (!memcmp(identitymatrix, matrix, sizeof(float[16])))
- {
- // fast case for identity matrix
- memcpy(out4f, in4f, numitems * sizeof(float[4]));
- return;
- }
- for (i = 0;i < numitems;i++, out4f += 4, in4f += 4)
- {
- out4f[0] = in4f[0] * matrix[0][0] + in4f[1] * matrix[1][0] + in4f[2] * matrix[2][0] + in4f[3] * matrix[3][0];
- out4f[1] = in4f[0] * matrix[0][1] + in4f[1] * matrix[1][1] + in4f[2] * matrix[2][1] + in4f[3] * matrix[3][1];
- out4f[2] = in4f[0] * matrix[0][2] + in4f[1] * matrix[1][2] + in4f[2] * matrix[2][2] + in4f[3] * matrix[3][2];
- out4f[3] = in4f[0] * matrix[0][3] + in4f[1] * matrix[1][3] + in4f[2] * matrix[2][3] + in4f[3] * matrix[3][3];
- }
-}
-
-void DPSOFTRAST_Array_Copy(float *out4f, const float *in4f, int numitems)
-{
- memcpy(out4f, in4f, numitems * sizeof(float[4]));
-}
-
-#ifdef SSE2_PRESENT
-static __m128 DPSOFTRAST_Draw_ProjectVertex(__m128 v)
-{
- __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale);
- __m128 w = _mm_shuffle_ps(v, v, _MM_SHUFFLE(3, 3, 3, 3));
- v = _mm_move_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)), _mm_set1_ps(1.0f));
- v = _mm_add_ps(viewportcenter, _mm_div_ps(_mm_mul_ps(viewportscale, v), w));
- v = _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1));
- return v;
-}
-#endif
-
-void DPSOFTRAST_Draw_ProjectVertices(float *out4f, const float *in4f, int numitems)
-{
-#ifdef SSE2_PRESENT
- // NOTE: this is used both as a whole mesh transform function and a
- // per-triangle transform function (for clipped triangles), accordingly
- // it should not crash on divide by 0 but the result of divide by 0 is
- // unimportant...
- // TODO: SIMD
- int i;
- __m128 viewportcenter = _mm_load_ps(dpsoftrast.fb_viewportcenter), viewportscale = _mm_load_ps(dpsoftrast.fb_viewportscale);
- for (i = 0;i < numitems;i++)
- {
- __m128 v = _mm_load_ps(in4f), w = _mm_shuffle_ps(v, v, _MM_SHUFFLE(3, 3, 3, 3));
- v = _mm_move_ss(_mm_shuffle_ps(v, v, _MM_SHUFFLE(2, 1, 0, 3)), _mm_set1_ps(1.0f));
- v = _mm_add_ps(viewportcenter, _mm_div_ps(_mm_mul_ps(viewportscale, v), w));
- _mm_store_ps(out4f, _mm_shuffle_ps(v, v, _MM_SHUFFLE(0, 3, 2, 1)));
- in4f += 4;
- out4f += 4;
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_DebugEdgePoints(const float *screen0, const float *screen1)
-{
- int i;
- int x;
- int y;
- int w = dpsoftrast.fb_width;
- int bounds[4];
- float v0[2], v1[2];
- unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
- //const float *c4f;
- bounds[0] = dpsoftrast.fb_viewportscissor[0];
- bounds[1] = dpsoftrast.fb_viewportscissor[1];
- bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
- bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
- v0[0] = screen0[0];
- v0[1] = screen0[1];
- v1[0] = screen1[0];
- v1[1] = screen1[1];
- for (i = 0;i <= 128;i++)
- {
- // check nearclip
- //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
- // continue;
- x = (int)(v0[0] + (v1[0] - v0[0]) * (i/128.0f));
- y = (int)(v0[1] + (v1[1] - v0[1]) * (i/128.0f));
- if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
- continue;
- //c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + element0*4;
- //pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
- pixels[y*w+x] = 0xFFFFFFFF;
- }
-}
-
-void DPSOFTRAST_Draw_Span_Begin(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *zf)
-{
- int x;
- int startx = span->startx;
- int endx = span->endx;
- float w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
- float wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
- float endz = 1.0f / (w + wslope * startx);
- for (x = startx;x < endx;)
- {
- int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
- float z = endz, dz;
- if(nextsub >= endx) nextsub = endsub = endx-1;
- endz = 1.0f / (w + wslope * nextsub);
- dz = x < nextsub ? (endz - z) / (nextsub - x) : 0.0f;
- for (; x <= endsub; x++, z += dz)
- zf[x] = z;
- }
-}
-
-void DPSOFTRAST_Draw_Span_Finish(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const float * RESTRICT in4f)
-{
- int x;
- int startx = span->startx;
- int endx = span->endx;
- int d[4];
- float a, b;
- unsigned char * RESTRICT pixelmask = span->pixelmask;
- unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
- if (!pixel)
- return;
- pixel += span->start * 4;
- // handle alphatest now (this affects depth writes too)
- if (dpsoftrast.user.alphatest)
- for (x = startx;x < endx;x++)
- if (in4f[x*4+3] < 0.5f)
- pixelmask[x] = false;
- // FIXME: this does not handle bigendian
- switch(dpsoftrast.fb_blendmode)
- {
- case DPSOFTRAST_BLENDMODE_OPAQUE:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_ALPHA:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = in4f[x*4+3] * 255.0f;
- b = 1.0f - in4f[x*4+3];
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_ADDALPHA:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = in4f[x*4+3] * 255.0f;
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_ADD:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_INVMOD:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_MUL:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_MUL2:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_SUBALPHA:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = in4f[x*4+3] * -255.0f;
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;if (d[0] < 0) d[0] = 0;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;if (d[1] < 0) d[1] = 0;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;if (d[2] < 0) d[2] = 0;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;if (d[3] < 0) d[3] = 0;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = 255.0f;
- b = 1.0f - in4f[x*4+3];
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- }
-}
-
-void DPSOFTRAST_Draw_Span_FinishBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
-{
-#ifdef SSE2_PRESENT
- int x;
- int startx = span->startx;
- int endx = span->endx;
- const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
- unsigned char * RESTRICT pixelmask = span->pixelmask;
- unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
- unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
- if (!pixel)
- return;
- pixel += span->start * 4;
- pixeli += span->start;
- // handle alphatest now (this affects depth writes too)
- if (dpsoftrast.user.alphatest)
- for (x = startx;x < endx;x++)
- if (in4ub[x*4+3] < 0.5f)
- pixelmask[x] = false;
- // FIXME: this does not handle bigendian
- switch(dpsoftrast.fb_blendmode)
- {
- case DPSOFTRAST_BLENDMODE_OPAQUE:
- for (x = startx;x + 4 <= endx;)
- {
- if (*(const unsigned int *)&pixelmask[x] == 0x01010101)
- {
- _mm_storeu_si128((__m128i *)&pixeli[x], _mm_loadu_si128((const __m128i *)&ini[x]));
- x += 4;
- }
- else
- {
- if (pixelmask[x])
- pixeli[x] = ini[x];
- x++;
- }
- }
- for (;x < endx;x++)
- if (pixelmask[x])
- pixeli[x] = ini[x];
- break;
- case DPSOFTRAST_BLENDMODE_ALPHA:
- #define FINISHBLEND(blend2, blend1) \
- for (x = startx;x + 2 <= endx;x += 2) \
- { \
- __m128i src, dst; \
- switch (*(const unsigned short*)&pixelmask[x]) \
- { \
- case 0x0101: \
- src = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ini[x]), _mm_setzero_si128()); \
- dst = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixeli[x]), _mm_setzero_si128()); \
- blend2; \
- _mm_storel_epi64((__m128i *)&pixeli[x], _mm_packus_epi16(dst, dst)); \
- continue; \
- case 0x0100: \
- src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x+1]), _mm_setzero_si128()); \
- dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x+1]), _mm_setzero_si128()); \
- blend1; \
- pixeli[x+1] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \
- continue; \
- case 0x0001: \
- src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x]), _mm_setzero_si128()); \
- dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x]), _mm_setzero_si128()); \
- blend1; \
- pixeli[x] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \
- continue; \
- } \
- break; \
- } \
- for(;x < endx; x++) \
- { \
- __m128i src, dst; \
- if (!pixelmask[x]) \
- continue; \
- src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x]), _mm_setzero_si128()); \
- dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x]), _mm_setzero_si128()); \
- blend1; \
- pixeli[x] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \
- }
-
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4)));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4)));
- });
- break;
- case DPSOFTRAST_BLENDMODE_ADDALPHA:
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- });
- break;
- case DPSOFTRAST_BLENDMODE_ADD:
- FINISHBLEND({ dst = _mm_add_epi16(src, dst); }, { dst = _mm_add_epi16(src, dst); });
- break;
- case DPSOFTRAST_BLENDMODE_INVMOD:
- FINISHBLEND({
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8));
- }, {
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8));
- });
- break;
- case DPSOFTRAST_BLENDMODE_MUL:
- FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); });
- break;
- case DPSOFTRAST_BLENDMODE_MUL2:
- FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); });
- break;
- case DPSOFTRAST_BLENDMODE_SUBALPHA:
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- });
- break;
- case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8)));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8)));
- });
- break;
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_Texture2DVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float * RESTRICT out4f, int texunitindex, int arrayindex, const float * RESTRICT zf)
-{
- int x;
- int startx = span->startx;
- int endx = span->endx;
- int flags;
- float c[4];
- float data[4];
- float slope[4];
- float tc[2], endtc[2];
- float tcscale[2];
- unsigned int tci[2];
- unsigned int tci1[2];
- unsigned int tcimin[2];
- unsigned int tcimax[2];
- int tciwrapmask[2];
- int tciwidth;
- int filter;
- int mip;
- const unsigned char * RESTRICT pixelbase;
- const unsigned char * RESTRICT pixel[4];
- DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
- // if no texture is bound, just fill it with white
- if (!texture)
- {
- for (x = startx;x < endx;x++)
- {
- out4f[x*4+0] = 1.0f;
- out4f[x*4+1] = 1.0f;
- out4f[x*4+2] = 1.0f;
- out4f[x*4+3] = 1.0f;
- }
- return;
- }
- mip = span->mip[texunitindex];
- pixelbase = (unsigned char *)texture->bytes + texture->mipmap[mip][0];
- // if this mipmap of the texture is 1 pixel, just fill it with that color
- if (texture->mipmap[mip][1] == 4)
- {
- c[0] = texture->bytes[2] * (1.0f/255.0f);
- c[1] = texture->bytes[1] * (1.0f/255.0f);
- c[2] = texture->bytes[0] * (1.0f/255.0f);
- c[3] = texture->bytes[3] * (1.0f/255.0f);
- for (x = startx;x < endx;x++)
- {
- out4f[x*4+0] = c[0];
- out4f[x*4+1] = c[1];
- out4f[x*4+2] = c[2];
- out4f[x*4+3] = c[3];
- }
- return;
- }
- filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
- data[0] = span->data[0][arrayindex][0];
- data[1] = span->data[0][arrayindex][1];
- data[2] = span->data[0][arrayindex][2];
- data[3] = span->data[0][arrayindex][3];
- slope[0] = span->data[1][arrayindex][0];
- slope[1] = span->data[1][arrayindex][1];
- slope[2] = span->data[1][arrayindex][2];
- slope[3] = span->data[1][arrayindex][3];
- flags = texture->flags;
- tcscale[0] = texture->mipmap[mip][2];
- tcscale[1] = texture->mipmap[mip][3];
- tciwidth = texture->mipmap[mip][2];
- tcimin[0] = 0;
- tcimin[1] = 0;
- tcimax[0] = texture->mipmap[mip][2]-1;
- tcimax[1] = texture->mipmap[mip][3]-1;
- tciwrapmask[0] = texture->mipmap[mip][2]-1;
- tciwrapmask[1] = texture->mipmap[mip][3]-1;
- endtc[0] = (data[0] + slope[0]*startx) * zf[startx] * tcscale[0] - 0.5f;
- endtc[1] = (data[1] + slope[1]*startx) * zf[startx] * tcscale[1] - 0.5f;
- for (x = startx;x < endx;)
- {
- unsigned int subtc[2];
- unsigned int substep[2];
- float subscale = 65536.0f/DPSOFTRAST_MAXSUBSPAN;
- int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
- if(nextsub >= endx)
- {
- nextsub = endsub = endx-1;
- if(x < nextsub) subscale = 65536.0f / (nextsub - x);
- }
- tc[0] = endtc[0];
- tc[1] = endtc[1];
- endtc[0] = (data[0] + slope[0]*nextsub) * zf[nextsub] * tcscale[0] - 0.5f;
- endtc[1] = (data[1] + slope[1]*nextsub) * zf[nextsub] * tcscale[1] - 0.5f;
- substep[0] = (endtc[0] - tc[0]) * subscale;
- substep[1] = (endtc[1] - tc[1]) * subscale;
- subtc[0] = tc[0] * (1<<16);
- subtc[1] = tc[1] * (1<<16);
- if(filter)
- {
- if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
- {
- for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
- {
- unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
- unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
- unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
- tci[0] = subtc[0]>>16;
- tci[1] = subtc[1]>>16;
- tci1[0] = tci[0] + 1;
- tci1[1] = tci[1] + 1;
- tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
- tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
- tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
- tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
- pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
- pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
- pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
- pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
- c[0] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) * (1.0f / 0xFF000000);
- c[1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) * (1.0f / 0xFF000000);
- c[2] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) * (1.0f / 0xFF000000);
- c[3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) * (1.0f / 0xFF000000);
- out4f[x*4+0] = c[0];
- out4f[x*4+1] = c[1];
- out4f[x*4+2] = c[2];
- out4f[x*4+3] = c[3];
- }
- }
- else
- {
- for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
- {
- unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
- unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
- unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
- tci[0] = subtc[0]>>16;
- tci[1] = subtc[1]>>16;
- tci1[0] = tci[0] + 1;
- tci1[1] = tci[1] + 1;
- tci[0] &= tciwrapmask[0];
- tci[1] &= tciwrapmask[1];
- tci1[0] &= tciwrapmask[0];
- tci1[1] &= tciwrapmask[1];
- pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
- pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
- pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
- pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
- c[0] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) * (1.0f / 0xFF000000);
- c[1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) * (1.0f / 0xFF000000);
- c[2] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) * (1.0f / 0xFF000000);
- c[3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) * (1.0f / 0xFF000000);
- out4f[x*4+0] = c[0];
- out4f[x*4+1] = c[1];
- out4f[x*4+2] = c[2];
- out4f[x*4+3] = c[3];
- }
- }
- }
- else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
- {
- for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
- {
- tci[0] = subtc[0]>>16;
- tci[1] = subtc[1]>>16;
- tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
- tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
- pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
- c[0] = pixel[0][2] * (1.0f / 255.0f);
- c[1] = pixel[0][1] * (1.0f / 255.0f);
- c[2] = pixel[0][0] * (1.0f / 255.0f);
- c[3] = pixel[0][3] * (1.0f / 255.0f);
- out4f[x*4+0] = c[0];
- out4f[x*4+1] = c[1];
- out4f[x*4+2] = c[2];
- out4f[x*4+3] = c[3];
- }
- }
- else
- {
- for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
- {
- tci[0] = subtc[0]>>16;
- tci[1] = subtc[1]>>16;
- tci[0] &= tciwrapmask[0];
- tci[1] &= tciwrapmask[1];
- pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
- c[0] = pixel[0][2] * (1.0f / 255.0f);
- c[1] = pixel[0][1] * (1.0f / 255.0f);
- c[2] = pixel[0][0] * (1.0f / 255.0f);
- c[3] = pixel[0][3] * (1.0f / 255.0f);
- out4f[x*4+0] = c[0];
- out4f[x*4+1] = c[1];
- out4f[x*4+2] = c[2];
- out4f[x*4+3] = c[3];
- }
- }
- }
-}
-
-void DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
-{
-#ifdef SSE2_PRESENT
- int x;
- int startx = span->startx;
- int endx = span->endx;
- int flags;
- __m128 data, slope, tcscale;
- __m128i tcsize, tcmask, tcoffset, tcmax;
- __m128 tc, endtc;
- __m128i subtc, substep, endsubtc;
- int filter;
- int mip;
- unsigned int *outi = (unsigned int *)out4ub;
- const unsigned char * RESTRICT pixelbase;
- DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
- // if no texture is bound, just fill it with white
- if (!texture)
- {
- memset(out4ub + startx*4, 255, span->length*4);
- return;
- }
- mip = span->mip[texunitindex];
- pixelbase = (const unsigned char *)texture->bytes + texture->mipmap[mip][0];
- // if this mipmap of the texture is 1 pixel, just fill it with that color
- if (texture->mipmap[mip][1] == 4)
- {
- unsigned int k = *((const unsigned int *)pixelbase);
- for (x = startx;x < endx;x++)
- outi[x] = k;
- return;
- }
- filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
- data = _mm_load_ps(span->data[0][arrayindex]);
- slope = _mm_load_ps(span->data[1][arrayindex]);
- flags = texture->flags;
- tcsize = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i *)&texture->mipmap[mip][0]), _MM_SHUFFLE(3, 2, 3, 2));
- tcmask = _mm_sub_epi32(tcsize, _mm_set1_epi32(1));
- tcscale = _mm_cvtepi32_ps(tcsize);
- data = _mm_mul_ps(_mm_shuffle_ps(data, data, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
- slope = _mm_mul_ps(_mm_shuffle_ps(slope, slope, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
- endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))), _mm_load1_ps(&zf[startx])), _mm_set1_ps(0.5f));
- endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
- tcoffset = _mm_add_epi32(_mm_slli_epi32(_mm_shuffle_epi32(tcsize, _MM_SHUFFLE(0, 0, 0, 0)), 18), _mm_set1_epi32(4));
- tcmax = filter ? _mm_packs_epi32(tcmask, tcmask) : _mm_slli_epi32(tcmask, 16);
- for (x = startx;x < endx;)
- {
- int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
- __m128 subscale = _mm_set1_ps(65536.0f/DPSOFTRAST_MAXSUBSPAN);
- if(nextsub >= endx)
- {
- nextsub = endsub = endx-1;
- if(x < nextsub) subscale = _mm_set1_ps(65536.0f / (nextsub - x));
- }
- tc = endtc;
- subtc = endsubtc;
- endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(nextsub))), _mm_load1_ps(&zf[nextsub])), _mm_set1_ps(0.5f));
- substep = _mm_cvtps_epi32(_mm_mul_ps(_mm_sub_ps(endtc, tc), subscale));
- endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
- subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
- substep = _mm_slli_epi32(substep, 1);
- if (filter)
- {
- __m128i tcrange = _mm_srai_epi32(_mm_unpacklo_epi64(subtc, _mm_add_epi32(endsubtc, substep)), 16);
- if (_mm_movemask_epi8(_mm_andnot_si128(_mm_cmplt_epi32(tcrange, _mm_setzero_si128()), _mm_cmplt_epi32(tcrange, tcmask))) == 0xFFFF)
- {
- for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
- {
- __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, pix3, pix4, fracm;
- tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0x10000)), tcoffset);
- pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
- pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]), _mm_setzero_si128());
- pix3 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_setzero_si128());
- pix4 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))]), _mm_setzero_si128());
- fracm = _mm_srli_epi16(subtc, 1);
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
- pix3 = _mm_add_epi16(pix3,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1),
- _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2))));
- pix2 = _mm_unpacklo_epi64(pix1, pix3);
- pix4 = _mm_unpackhi_epi64(pix1, pix3);
- pix2 = _mm_add_epi16(pix2,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1),
- _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0))));
- _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2))));
- }
- if (x <= endsub)
- {
- __m128i tci = _mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
- tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0)), tcoffset);
- pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
- pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]), _mm_setzero_si128());
- fracm = _mm_srli_epi16(subtc, 1);
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
- pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
- outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- x++;
- }
- }
- else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
- {
- for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
- {
- __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, pix3, pix4, fracm;
- tci = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), _mm_setzero_si128()), tcmax);
- tci = _mm_madd_epi16(tci, tcoffset);
- pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
- _mm_setzero_si128());
- pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
- _mm_setzero_si128());
- tci = _mm_shuffle_epi32(_mm_shufflehi_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 2, 3, 2));
- tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax);
- tci = _mm_madd_epi16(tci, tcoffset);
- pix3 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
- _mm_setzero_si128());
- pix4 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
- _mm_setzero_si128());
- fracm = _mm_srli_epi16(subtc, 1);
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
- pix3 = _mm_add_epi16(pix3,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1),
- _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2))));
- pix2 = _mm_unpacklo_epi64(pix1, pix3);
- pix4 = _mm_unpackhi_epi64(pix1, pix3);
- pix2 = _mm_add_epi16(pix2,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1),
- _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0))));
- _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2))));
- }
- if (x <= endsub)
- {
- __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, fracm;
- tci = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), _mm_setzero_si128()), tcmax);
- tci = _mm_madd_epi16(tci, tcoffset);
- pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
- _mm_setzero_si128());
- pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
- _mm_setzero_si128());
- fracm = _mm_srli_epi16(subtc, 1);
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
- pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
- outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- x++;
- }
- }
- else
- {
- for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
- {
- __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, pix3, pix4, fracm;
- tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax);
- tci = _mm_madd_epi16(tci, tcoffset);
- pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
- _mm_setzero_si128());
- pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
- _mm_setzero_si128());
- tci = _mm_shuffle_epi32(_mm_shufflehi_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 2, 3, 2));
- tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax);
- tci = _mm_madd_epi16(tci, tcoffset);
- pix3 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
- _mm_setzero_si128());
- pix4 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
- _mm_setzero_si128());
- fracm = _mm_srli_epi16(subtc, 1);
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
- pix3 = _mm_add_epi16(pix3,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1),
- _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2))));
- pix2 = _mm_unpacklo_epi64(pix1, pix3);
- pix4 = _mm_unpackhi_epi64(pix1, pix3);
- pix2 = _mm_add_epi16(pix2,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1),
- _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0))));
- _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2))));
- }
- if (x <= endsub)
- {
- __m128i tci = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, fracm;
- tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax);
- tci = _mm_madd_epi16(tci, tcoffset);
- pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
- _mm_setzero_si128());
- pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
- _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
- _mm_setzero_si128());
- fracm = _mm_srli_epi16(subtc, 1);
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
- pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
- pix1 = _mm_add_epi16(pix1,
- _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
- _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
- outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- x++;
- }
- }
- }
- else
- {
- if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
- {
- for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
- {
- __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
- tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
- tci = _mm_madd_epi16(tci, tcoffset);
- outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
- outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
- }
- if (x <= endsub)
- {
- __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
- tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
- tci = _mm_madd_epi16(tci, tcoffset);
- outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
- x++;
- }
- }
- else
- {
- for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
- {
- __m128i tci = _mm_and_si128(subtc, tcmax);
- tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
- tci = _mm_madd_epi16(tci, tcoffset);
- outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
- outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
- }
- if (x <= endsub)
- {
- __m128i tci = _mm_and_si128(subtc, tcmax);
- tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
- tci = _mm_madd_epi16(tci, tcoffset);
- outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
- x++;
- }
- }
- }
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
-{
- // TODO: IMPLEMENT
- memset(out4ub, 255, span->length*4);
-}
-
-float DPSOFTRAST_SampleShadowmap(const float *vector)
-{
- // TODO: IMPLEMENT
- return 1.0f;
-}
-
-void DPSOFTRAST_Draw_Span_MultiplyVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, int arrayindex, const float *zf)
-{
- int x;
- int startx = span->startx;
- int endx = span->endx;
- float c[4];
- float data[4];
- float slope[4];
- float z;
- data[0] = span->data[0][arrayindex][0];
- data[1] = span->data[0][arrayindex][1];
- data[2] = span->data[0][arrayindex][2];
- data[3] = span->data[0][arrayindex][3];
- slope[0] = span->data[1][arrayindex][0];
- slope[1] = span->data[1][arrayindex][1];
- slope[2] = span->data[1][arrayindex][2];
- slope[3] = span->data[1][arrayindex][3];
- for (x = startx;x < endx;x++)
- {
- z = zf[x];
- c[0] = (data[0] + slope[0]*x) * z;
- c[1] = (data[1] + slope[1]*x) * z;
- c[2] = (data[2] + slope[2]*x) * z;
- c[3] = (data[3] + slope[3]*x) * z;
- out4f[x*4+0] = in4f[x*4+0] * c[0];
- out4f[x*4+1] = in4f[x*4+1] * c[1];
- out4f[x*4+2] = in4f[x*4+2] * c[2];
- out4f[x*4+3] = in4f[x*4+3] * c[3];
- }
-}
-
-void DPSOFTRAST_Draw_Span_Varying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, int arrayindex, const float *zf)
-{
- int x;
- int startx = span->startx;
- int endx = span->endx;
- float c[4];
- float data[4];
- float slope[4];
- float z;
- data[0] = span->data[0][arrayindex][0];
- data[1] = span->data[0][arrayindex][1];
- data[2] = span->data[0][arrayindex][2];
- data[3] = span->data[0][arrayindex][3];
- slope[0] = span->data[1][arrayindex][0];
- slope[1] = span->data[1][arrayindex][1];
- slope[2] = span->data[1][arrayindex][2];
- slope[3] = span->data[1][arrayindex][3];
- for (x = startx;x < endx;x++)
- {
- z = zf[x];
- c[0] = (data[0] + slope[0]*x) * z;
- c[1] = (data[1] + slope[1]*x) * z;
- c[2] = (data[2] + slope[2]*x) * z;
- c[3] = (data[3] + slope[3]*x) * z;
- out4f[x*4+0] = c[0];
- out4f[x*4+1] = c[1];
- out4f[x*4+2] = c[2];
- out4f[x*4+3] = c[3];
- }
-}
-
-void DPSOFTRAST_Draw_Span_AddBloom(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f, const float *subcolor)
-{
- int x, startx = span->startx, endx = span->endx;
- float c[4], localcolor[4];
- localcolor[0] = subcolor[0];
- localcolor[1] = subcolor[1];
- localcolor[2] = subcolor[2];
- localcolor[3] = subcolor[3];
- for (x = startx;x < endx;x++)
- {
- c[0] = inb4f[x*4+0] - localcolor[0];if (c[0] < 0.0f) c[0] = 0.0f;
- c[1] = inb4f[x*4+1] - localcolor[1];if (c[1] < 0.0f) c[1] = 0.0f;
- c[2] = inb4f[x*4+2] - localcolor[2];if (c[2] < 0.0f) c[2] = 0.0f;
- c[3] = inb4f[x*4+3] - localcolor[3];if (c[3] < 0.0f) c[3] = 0.0f;
- out4f[x*4+0] = ina4f[x*4+0] + c[0];
- out4f[x*4+1] = ina4f[x*4+1] + c[1];
- out4f[x*4+2] = ina4f[x*4+2] + c[2];
- out4f[x*4+3] = ina4f[x*4+3] + c[3];
- }
-}
-
-void DPSOFTRAST_Draw_Span_MultiplyBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
-{
- int x, startx = span->startx, endx = span->endx;
- for (x = startx;x < endx;x++)
- {
- out4f[x*4+0] = ina4f[x*4+0] * inb4f[x*4+0];
- out4f[x*4+1] = ina4f[x*4+1] * inb4f[x*4+1];
- out4f[x*4+2] = ina4f[x*4+2] * inb4f[x*4+2];
- out4f[x*4+3] = ina4f[x*4+3] * inb4f[x*4+3];
- }
-}
-
-void DPSOFTRAST_Draw_Span_AddBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
-{
- int x, startx = span->startx, endx = span->endx;
- for (x = startx;x < endx;x++)
- {
- out4f[x*4+0] = ina4f[x*4+0] + inb4f[x*4+0];
- out4f[x*4+1] = ina4f[x*4+1] + inb4f[x*4+1];
- out4f[x*4+2] = ina4f[x*4+2] + inb4f[x*4+2];
- out4f[x*4+3] = ina4f[x*4+3] + inb4f[x*4+3];
- }
-}
-
-void DPSOFTRAST_Draw_Span_MixBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
-{
- int x, startx = span->startx, endx = span->endx;
- float a, b;
- for (x = startx;x < endx;x++)
- {
- a = 1.0f - inb4f[x*4+3];
- b = inb4f[x*4+3];
- out4f[x*4+0] = ina4f[x*4+0] * a + inb4f[x*4+0] * b;
- out4f[x*4+1] = ina4f[x*4+1] * a + inb4f[x*4+1] * b;
- out4f[x*4+2] = ina4f[x*4+2] * a + inb4f[x*4+2] * b;
- out4f[x*4+3] = ina4f[x*4+3] * a + inb4f[x*4+3] * b;
- }
-}
-
-void DPSOFTRAST_Draw_Span_MixUniformColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, const float *color)
-{
- int x, startx = span->startx, endx = span->endx;
- float localcolor[4], ilerp, lerp;
- localcolor[0] = color[0];
- localcolor[1] = color[1];
- localcolor[2] = color[2];
- localcolor[3] = color[3];
- ilerp = 1.0f - localcolor[3];
- lerp = localcolor[3];
- for (x = startx;x < endx;x++)
- {
- out4f[x*4+0] = in4f[x*4+0] * ilerp + localcolor[0] * lerp;
- out4f[x*4+1] = in4f[x*4+1] * ilerp + localcolor[1] * lerp;
- out4f[x*4+2] = in4f[x*4+2] * ilerp + localcolor[2] * lerp;
- out4f[x*4+3] = in4f[x*4+3] * ilerp + localcolor[3] * lerp;
- }
-}
-
-
-
-void DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, int arrayindex, const float *zf)
-{
-#ifdef SSE2_PRESENT
- int x;
- int startx = span->startx;
- int endx = span->endx;
- __m128 data = _mm_load_ps(span->data[0][arrayindex]), slope = _mm_load_ps(span->data[1][arrayindex]);
- data = _mm_shuffle_ps(data, data, _MM_SHUFFLE(3, 0, 1, 2));
- slope = _mm_shuffle_ps(slope, slope, _MM_SHUFFLE(3, 0, 1, 2));
- data = _mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx)));
- data = _mm_mul_ps(data, _mm_set1_ps(256.0f));
- slope = _mm_mul_ps(slope, _mm_set1_ps(256.0f));
- for (x = startx;x+2 <= endx;x += 2, data = _mm_add_ps(data, slope))
- {
- __m128i pix = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_loadl_epi64((const __m128i *)&in4ub[x*4]));
- __m128i mod = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x]))), mod2;
- data = _mm_add_ps(data, slope);
- mod2 = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x+1])));
- mod = _mm_unpacklo_epi64(_mm_packs_epi32(mod, mod), _mm_packs_epi32(mod2, mod2));
- pix = _mm_mulhi_epu16(pix, mod);
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix, pix));
- }
- for (;x < endx;x++, data = _mm_add_ps(data, slope))
- {
- __m128i pix = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&in4ub[x*4]));
- __m128i mod = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x])));
- mod = _mm_packs_epi32(mod, mod);
- pix = _mm_mulhi_epu16(pix, mod);
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_VaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, int arrayindex, const float *zf)
-{
-#ifdef SSE2_PRESENT
- int x;
- int startx = span->startx;
- int endx = span->endx;
- __m128 data = _mm_load_ps(span->data[0][arrayindex]), slope = _mm_load_ps(span->data[1][arrayindex]);
- data = _mm_shuffle_ps(data, data, _MM_SHUFFLE(3, 0, 1, 2));
- slope = _mm_shuffle_ps(slope, slope, _MM_SHUFFLE(3, 0, 1, 2));
- data = _mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx)));
- data = _mm_mul_ps(data, _mm_set1_ps(255.0f));
- slope = _mm_mul_ps(slope, _mm_set1_ps(255.0f));
- for (x = startx;x+2 <= endx;x += 2, data = _mm_add_ps(data, slope))
- {
- __m128i pix = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x]))), pix2;
- data = _mm_add_ps(data, slope);
- pix2 = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x+1])));
- pix = _mm_unpacklo_epi64(_mm_packs_epi32(pix, pix), _mm_packs_epi32(pix2, pix2));
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix, pix));
- }
- for (;x < endx;x++, data = _mm_add_ps(data, slope))
- {
- __m128i pix = _mm_cvtps_epi32(_mm_mul_ps(data, _mm_load1_ps(&zf[x])));
- pix = _mm_packs_epi32(pix, pix);
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_AddBloomBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub, const float *subcolor)
-{
-#ifdef SSE2_PRESENT
- int x, startx = span->startx, endx = span->endx;
- __m128i localcolor = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_loadu_ps(subcolor), _mm_set1_ps(255.0f))), _MM_SHUFFLE(3, 0, 1, 2));
- localcolor = _mm_shuffle_epi32(_mm_packs_epi32(localcolor, localcolor), _MM_SHUFFLE(1, 0, 1, 0));
- for (x = startx;x+2 <= endx;x+=2)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&inb4ub[x*4]), _mm_setzero_si128());
- pix1 = _mm_add_epi16(pix1, _mm_sub_epi16(pix2, localcolor));
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1));
- }
- if(x < endx)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]), _mm_setzero_si128());
- pix1 = _mm_add_epi16(pix1, _mm_sub_epi16(pix2, localcolor));
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
-{
-#ifdef SSE2_PRESENT
- int x, startx = span->startx, endx = span->endx;
- for (x = startx;x+2 <= endx;x+=2)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_loadl_epi64((const __m128i *)&inb4ub[x*4]));
- pix1 = _mm_mulhi_epu16(pix1, pix2);
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1));
- }
- if(x < endx)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]));
- pix1 = _mm_mulhi_epu16(pix1, pix2);
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_AddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
-{
-#ifdef SSE2_PRESENT
- int x, startx = span->startx, endx = span->endx;
- for (x = startx;x+2 <= endx;x+=2)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&inb4ub[x*4]), _mm_setzero_si128());
- pix1 = _mm_add_epi16(pix1, pix2);
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1));
- }
- if(x < endx)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]), _mm_setzero_si128());
- pix1 = _mm_add_epi16(pix1, pix2);
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_TintedAddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub, const float *inbtintbgra)
-{
-#ifdef SSE2_PRESENT
- int x, startx = span->startx, endx = span->endx;
- __m128i tint = _mm_cvtps_epi32(_mm_mul_ps(_mm_loadu_ps(inbtintbgra), _mm_set1_ps(256.0f)));
- tint = _mm_shuffle_epi32(_mm_packs_epi32(tint, tint), _MM_SHUFFLE(1, 0, 1, 0));
- for (x = startx;x+2 <= endx;x+=2)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_loadl_epi64((const __m128i *)&inb4ub[x*4]));
- pix1 = _mm_add_epi16(pix1, _mm_mulhi_epu16(tint, pix2));
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1));
- }
- if(x < endx)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]));
- pix1 = _mm_add_epi16(pix1, _mm_mulhi_epu16(tint, pix2));
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_MixBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
-{
-#ifdef SSE2_PRESENT
- int x, startx = span->startx, endx = span->endx;
- for (x = startx;x+2 <= endx;x+=2)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&inb4ub[x*4]), _mm_setzero_si128());
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 4), _mm_slli_epi16(blend, 4)));
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix1, pix1));
- }
- if(x < endx)
- {
- __m128i pix1 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&ina4ub[x*4]), _mm_setzero_si128());
- __m128i pix2 = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&inb4ub[x*4]), _mm_setzero_si128());
- __m128i blend = _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 3, 3, 3));
- pix1 = _mm_add_epi16(pix1, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 4), _mm_slli_epi16(blend, 4)));
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, const float *color)
-{
-#ifdef SSE2_PRESENT
- int x, startx = span->startx, endx = span->endx;
- __m128i localcolor = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_loadu_ps(color), _mm_set1_ps(255.0f))), _MM_SHUFFLE(3, 0, 1, 2)), blend;
- localcolor = _mm_shuffle_epi32(_mm_packs_epi32(localcolor, localcolor), _MM_SHUFFLE(1, 0, 1, 0));
- blend = _mm_slli_epi16(_mm_shufflehi_epi16(_mm_shufflelo_epi16(localcolor, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3)), 4);
- for (x = startx;x+2 <= endx;x+=2)
- {
- __m128i pix = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&in4ub[x*4]), _mm_setzero_si128());
- pix = _mm_add_epi16(pix, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(localcolor, pix), 4), blend));
- _mm_storel_epi64((__m128i *)&out4ub[x*4], _mm_packus_epi16(pix, pix));
- }
- if(x < endx)
- {
- __m128i pix = _mm_unpacklo_epi8(_mm_cvtsi32_si128(*(const int *)&in4ub[x*4]), _mm_setzero_si128());
- pix = _mm_add_epi16(pix, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(localcolor, pix), 4), blend));
- *(int *)&out4ub[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
- }
-#endif
-}
-
-
-
-void DPSOFTRAST_VertexShader_Generic(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
-}
-
-void DPSOFTRAST_PixelShader_Generic(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_FIRST, 2, buffer_z);
- DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(span, buffer_FragColorbgra8, buffer_texture_colorbgra8, 1, buffer_z);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_SECOND, 2, buffer_z);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- // multiply
- DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
- }
- else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- // add
- DPSOFTRAST_Draw_Span_AddBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
- }
- else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
- {
- // alphablend
- DPSOFTRAST_Draw_Span_MixBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
- }
- }
- }
- else
- DPSOFTRAST_Draw_Span_VaryingBGRA8(span, buffer_FragColorbgra8, 1, buffer_z);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_PostProcess(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
-}
-
-void DPSOFTRAST_PixelShader_PostProcess(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // TODO: optimize!! at the very least there is no reason to use texture sampling on the frame texture
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_FragColorbgra8, GL20TU_FIRST, 2, buffer_z);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_BLOOM)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_SECOND, 3, buffer_z);
- DPSOFTRAST_Draw_Span_AddBloomBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_colorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_BloomColorSubtract * 4);
- }
- DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_ViewTintColor * 4);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SATURATION)
- {
- // TODO: implement saturation
- }
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GAMMARAMPS)
- {
- // TODO: implement gammaramps
- }
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_Depth_Or_Shadow(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_Depth_Or_Shadow(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // this is never called (because colormask is off when this shader is used)
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8, 0, span->length*4);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_FlatColor(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_FlatColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- int x, startx = span->startx, endx = span->endx;
- int Color_Ambienti[4];
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]*256.0f);
- Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]*256.0f);
- Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]*256.0f);
- Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] *256.0f);
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
- for (x = startx;x < endx;x++)
- {
- buffer_FragColorbgra8[x*4+0] = (buffer_texture_colorbgra8[x*4+0] * Color_Ambienti[0])>>8;
- buffer_FragColorbgra8[x*4+1] = (buffer_texture_colorbgra8[x*4+1] * Color_Ambienti[1])>>8;
- buffer_FragColorbgra8[x*4+2] = (buffer_texture_colorbgra8[x*4+2] * Color_Ambienti[2])>>8;
- buffer_FragColorbgra8[x*4+3] = (buffer_texture_colorbgra8[x*4+3] * Color_Ambienti[3])>>8;
- }
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_VertexColor(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_VertexColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- int x, startx = span->startx, endx = span->endx;
- float Color_Ambient[4], Color_Diffuse[4];
- float data[4];
- float slope[4];
- float z;
- int arrayindex = DPSOFTRAST_ARRAY_COLOR;
- data[2] = span->data[0][arrayindex][0];
- data[1] = span->data[0][arrayindex][1];
- data[0] = span->data[0][arrayindex][2];
- data[3] = span->data[0][arrayindex][3];
- slope[2] = span->data[1][arrayindex][0];
- slope[1] = span->data[1][arrayindex][1];
- slope[0] = span->data[1][arrayindex][2];
- slope[3] = span->data[1][arrayindex][3];
- Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
- Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
- Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
- Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
- Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
- Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
- Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
- Color_Diffuse[3] = 0.0f;
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
- for (x = startx;x < endx;x++)
- {
- z = buffer_z[x];
- buffer_FragColorbgra8[x*4+0] = (int)(buffer_texture_colorbgra8[x*4+0] * (Color_Ambient[0] + ((data[0] + slope[0]*x) * z) * Color_Diffuse[0]));
- buffer_FragColorbgra8[x*4+1] = (int)(buffer_texture_colorbgra8[x*4+1] * (Color_Ambient[1] + ((data[1] + slope[1]*x) * z) * Color_Diffuse[1]));
- buffer_FragColorbgra8[x*4+2] = (int)(buffer_texture_colorbgra8[x*4+2] * (Color_Ambient[2] + ((data[2] + slope[2]*x) * z) * Color_Diffuse[2]));
- buffer_FragColorbgra8[x*4+3] = (int)(buffer_texture_colorbgra8[x*4+3] * (Color_Ambient[3] + ((data[3] + slope[3]*x) * z) * Color_Diffuse[3]));
- }
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_Lightmap(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1);
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
-}
-
-void DPSOFTRAST_PixelShader_Lightmap(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
-#ifdef SSE2_PRESENT
- unsigned char * RESTRICT pixelmask = span->pixelmask;
- unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4;
- int x, startx = span->startx, endx = span->endx;
- __m128i Color_Ambientm, Color_Diffusem, Color_Glowm, Color_AmbientGlowm;
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_LIGHTMAP, DPSOFTRAST_ARRAY_TEXCOORD4, buffer_z);
- if (dpsoftrast.user.alphatest || dpsoftrast.fb_blendmode != DPSOFTRAST_BLENDMODE_OPAQUE)
- pixel = buffer_FragColorbgra8;
- Color_Ambientm = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4]), _mm_set1_ps(256.0f))), _MM_SHUFFLE(3, 0, 1, 2));
- Color_Ambientm = _mm_and_si128(Color_Ambientm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
- Color_Ambientm = _mm_or_si128(Color_Ambientm, _mm_setr_epi32(0, 0, 0, (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]*255.0f)));
- Color_Ambientm = _mm_packs_epi32(Color_Ambientm, Color_Ambientm);
- Color_Diffusem = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4]), _mm_set1_ps(256.0f))), _MM_SHUFFLE(3, 0, 1, 2));
- Color_Diffusem = _mm_and_si128(Color_Diffusem, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
- Color_Diffusem = _mm_packs_epi32(Color_Diffusem, Color_Diffusem);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- Color_Glowm = _mm_shuffle_epi32(_mm_cvtps_epi32(_mm_mul_ps(_mm_load_ps(&dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4]), _mm_set1_ps(256.0f))), _MM_SHUFFLE(3, 0, 1, 2));
- Color_Glowm = _mm_and_si128(Color_Glowm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
- Color_Glowm = _mm_packs_epi32(Color_Glowm, Color_Glowm);
- Color_AmbientGlowm = _mm_unpacklo_epi64(Color_Ambientm, Color_Glowm);
- for (x = startx;x < endx;x++)
- {
- __m128i color, lightmap, glow, pix;
- if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
- {
- __m128i pix2;
- color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
- lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
- glow = _mm_loadu_si128((const __m128i *)&buffer_texture_glowbgra8[x*4]);
- pix = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
- _mm_unpacklo_epi8(_mm_setzero_si128(), color)),
- _mm_mulhi_epu16(Color_Glowm, _mm_unpacklo_epi8(_mm_setzero_si128(), glow)));
- pix2 = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
- _mm_unpackhi_epi8(_mm_setzero_si128(), color)),
- _mm_mulhi_epu16(Color_Glowm, _mm_unpackhi_epi8(_mm_setzero_si128(), glow)));
- _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
- x += 3;
- continue;
- }
- if(!pixelmask[x])
- continue;
- color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
- lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
- glow = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_glowbgra8[x*4]));
- pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, lightmap), Color_AmbientGlowm), _mm_unpacklo_epi64(color, glow));
- pix = _mm_add_epi16(pix, _mm_shuffle_epi32(pix, _MM_SHUFFLE(3, 2, 3, 2)));
- *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
- }
- }
- else
- {
- for (x = startx;x < endx;x++)
- {
- __m128i color, lightmap, pix;
- if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
- {
- __m128i pix2;
- color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
- lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
- pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
- _mm_unpacklo_epi8(_mm_setzero_si128(), color));
- pix2 = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
- _mm_unpackhi_epi8(_mm_setzero_si128(), color));
- _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
- x += 3;
- continue;
- }
- if(!pixelmask[x])
- continue;
- color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
- lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
- pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(lightmap, Color_Diffusem), Color_Ambientm), color);
- *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
- }
- }
- if(pixel == buffer_FragColorbgra8)
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-#endif
-}
-
-
-
-void DPSOFTRAST_VertexShader_FakeLight(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_FakeLight(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // TODO: IMPLEMENT
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8, 0, span->length*4);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace(void)
-{
- DPSOFTRAST_VertexShader_Lightmap();
-}
-
-void DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- DPSOFTRAST_PixelShader_Lightmap(span);
- // TODO: IMPLEMENT
-}
-
-
-
-void DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace(void)
-{
- DPSOFTRAST_VertexShader_Lightmap();
-}
-
-void DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- DPSOFTRAST_PixelShader_Lightmap(span);
- // TODO: IMPLEMENT
-}
-
-
-
-void DPSOFTRAST_VertexShader_LightDirection(void)
-{
- int i;
- int numvertices = dpsoftrast.draw.numvertices;
- float LightDir[4];
- float LightVector[4];
- float EyePosition[4];
- float EyeVectorModelSpace[4];
- float EyeVector[4];
- float position[4];
- float svector[4];
- float tvector[4];
- float normal[4];
- LightDir[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+0];
- LightDir[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+1];
- LightDir[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+2];
- LightDir[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+3];
- EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
- EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
- EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
- EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1);
- for (i = 0;i < numvertices;i++)
- {
- position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
- position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
- position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
- svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
- svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
- svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
- tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
- tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
- tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
- normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
- normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
- normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
- LightVector[0] = svector[0] * LightDir[0] + svector[1] * LightDir[1] + svector[2] * LightDir[2];
- LightVector[1] = tvector[0] * LightDir[0] + tvector[1] * LightDir[1] + tvector[2] * LightDir[2];
- LightVector[2] = normal[0] * LightDir[0] + normal[1] * LightDir[1] + normal[2] * LightDir[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
- EyeVectorModelSpace[0] = EyePosition[0] - position[0];
- EyeVectorModelSpace[1] = EyePosition[1] - position[1];
- EyeVectorModelSpace[2] = EyePosition[2] - position[2];
- EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
- EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
- EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
- }
-}
-
-#define DPSOFTRAST_Min(a,b) ((a) < (b) ? (a) : (b))
-#define DPSOFTRAST_Max(a,b) ((a) > (b) ? (a) : (b))
-#define DPSOFTRAST_Vector3Dot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
-#define DPSOFTRAST_Vector3LengthSquared(v) (DPSOFTRAST_Vector3Dot((v),(v)))
-#define DPSOFTRAST_Vector3Length(v) (sqrt(DPSOFTRAST_Vector3LengthSquared(v)))
-#define DPSOFTRAST_Vector3Normalize(v)\
-do\
-{\
- float len = sqrt(DPSOFTRAST_Vector3Dot(v,v));\
- if (len)\
- {\
- len = 1.0f / len;\
- v[0] *= len;\
- v[1] *= len;\
- v[2] *= len;\
- }\
-}\
-while(0)
-
-void DPSOFTRAST_PixelShader_LightDirection(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- int x, startx = span->startx, endx = span->endx;
- float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
- float LightVectordata[4];
- float LightVectorslope[4];
- float EyeVectordata[4];
- float EyeVectorslope[4];
- float z;
- float diffusetex[4];
- float glosstex[4];
- float surfacenormal[4];
- float lightnormal[4];
- float eyenormal[4];
- float specularnormal[4];
- float diffuse;
- float specular;
- float SpecularPower;
- int d[4];
- Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
- Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
- Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
- Color_Glow[3] = 0.0f;
- Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
- Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
- Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
- Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
- Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
- Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
- Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
- Color_Pants[3] = 0.0f;
- Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
- Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
- Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
- Color_Shirt[3] = 0.0f;
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- }
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- }
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
- {
- Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
- Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
- Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
- Color_Diffuse[3] = 0.0f;
- LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
- LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
- LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
- LightColor[3] = 0.0f;
- LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
- LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
- LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
- LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
- LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
- LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
- LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
- LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
- Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
- Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
- Color_Specular[3] = 0.0f;
- SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
- EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
- EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
- EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
- EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
- EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
- EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
- EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
- EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- for (x = startx;x < endx;x++)
- {
- z = buffer_z[x];
- diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
- diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
- diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
- diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
- diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
- diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
- diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
- }
- glosstex[0] = buffer_texture_glossbgra8[x*4+0];
- glosstex[1] = buffer_texture_glossbgra8[x*4+1];
- glosstex[2] = buffer_texture_glossbgra8[x*4+2];
- glosstex[3] = buffer_texture_glossbgra8[x*4+3];
- surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
- DPSOFTRAST_Vector3Normalize(surfacenormal);
-
- lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
- lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
- lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
- DPSOFTRAST_Vector3Normalize(lightnormal);
-
- eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
- eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
- eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
- DPSOFTRAST_Vector3Normalize(eyenormal);
-
- specularnormal[0] = lightnormal[0] + eyenormal[0];
- specularnormal[1] = lightnormal[1] + eyenormal[1];
- specularnormal[2] = lightnormal[2] + eyenormal[2];
- DPSOFTRAST_Vector3Normalize(specularnormal);
-
- diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
- specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
- specular = pow(specular, SpecularPower * glosstex[3]);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
- {
- d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0] + (diffusetex[0] * Color_Diffuse[0] * diffuse + glosstex[0] * Color_Specular[0] * specular) * LightColor[0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1] + (diffusetex[1] * Color_Diffuse[1] * diffuse + glosstex[1] * Color_Specular[1] * specular) * LightColor[1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2] + (diffusetex[2] * Color_Diffuse[2] * diffuse + glosstex[2] * Color_Specular[2] * specular) * LightColor[2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
- }
- else
- {
- d[0] = (int)( diffusetex[0] * Color_Ambient[0] + (diffusetex[0] * Color_Diffuse[0] * diffuse + glosstex[0] * Color_Specular[0] * specular) * LightColor[0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)( diffusetex[1] * Color_Ambient[1] + (diffusetex[1] * Color_Diffuse[1] * diffuse + glosstex[1] * Color_Specular[1] * specular) * LightColor[1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)( diffusetex[2] * Color_Ambient[2] + (diffusetex[2] * Color_Diffuse[2] * diffuse + glosstex[2] * Color_Specular[2] * specular) * LightColor[2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
- }
- buffer_FragColorbgra8[x*4+0] = d[0];
- buffer_FragColorbgra8[x*4+1] = d[1];
- buffer_FragColorbgra8[x*4+2] = d[2];
- buffer_FragColorbgra8[x*4+3] = d[3];
- }
- }
- else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
- {
- Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
- Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
- Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
- Color_Diffuse[3] = 0.0f;
- LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
- LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
- LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
- LightColor[3] = 0.0f;
- LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
- LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
- LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
- LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
- LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
- LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
- LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
- LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- for (x = startx;x < endx;x++)
- {
- z = buffer_z[x];
- diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
- diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
- diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
- diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
- surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
- DPSOFTRAST_Vector3Normalize(surfacenormal);
-
- lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
- lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
- lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
- DPSOFTRAST_Vector3Normalize(lightnormal);
-
- diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
- {
- d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255;
- d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255;
- d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
- }
- else
- {
- d[0] = (int)( + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255;
- d[1] = (int)( + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255;
- d[2] = (int)( + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
- }
- buffer_FragColorbgra8[x*4+0] = d[0];
- buffer_FragColorbgra8[x*4+1] = d[1];
- buffer_FragColorbgra8[x*4+2] = d[2];
- buffer_FragColorbgra8[x*4+3] = d[3];
- }
- }
- else
- {
- for (x = startx;x < endx;x++)
- {
- z = buffer_z[x];
- diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
- diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
- diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
- diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
-
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
- {
- d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
- }
- else
- {
- d[0] = (int)( diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)( diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)( diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
- }
- buffer_FragColorbgra8[x*4+0] = d[0];
- buffer_FragColorbgra8[x*4+1] = d[1];
- buffer_FragColorbgra8[x*4+2] = d[2];
- buffer_FragColorbgra8[x*4+3] = d[3];
- }
- }
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_LightSource(void)
-{
- int i;
- int numvertices = dpsoftrast.draw.numvertices;
- float LightPosition[4];
- float LightVector[4];
- float LightVectorModelSpace[4];
- float EyePosition[4];
- float EyeVectorModelSpace[4];
- float EyeVector[4];
- float position[4];
- float svector[4];
- float tvector[4];
- float normal[4];
- LightPosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+0];
- LightPosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+1];
- LightPosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+2];
- LightPosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+3];
- EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
- EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
- EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
- EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_TexMatrixM1);
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD3], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelToLightM1);
- DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
- for (i = 0;i < numvertices;i++)
- {
- position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
- position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
- position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
- svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
- svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
- svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
- tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
- tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
- tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
- normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
- normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
- normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
- LightVectorModelSpace[0] = LightPosition[0] - position[0];
- LightVectorModelSpace[1] = LightPosition[1] - position[1];
- LightVectorModelSpace[2] = LightPosition[2] - position[2];
- LightVector[0] = svector[0] * LightVectorModelSpace[0] + svector[1] * LightVectorModelSpace[1] + svector[2] * LightVectorModelSpace[2];
- LightVector[1] = tvector[0] * LightVectorModelSpace[0] + tvector[1] * LightVectorModelSpace[1] + tvector[2] * LightVectorModelSpace[2];
- LightVector[2] = normal[0] * LightVectorModelSpace[0] + normal[1] * LightVectorModelSpace[1] + normal[2] * LightVectorModelSpace[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
- EyeVectorModelSpace[0] = EyePosition[0] - position[0];
- EyeVectorModelSpace[1] = EyePosition[1] - position[1];
- EyeVectorModelSpace[2] = EyePosition[2] - position[2];
- EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
- EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
- EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
- dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
- }
-}
-
-void DPSOFTRAST_PixelShader_LightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_cubebgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- int x, startx = span->startx, endx = span->endx;
- float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
- float CubeVectordata[4];
- float CubeVectorslope[4];
- float LightVectordata[4];
- float LightVectorslope[4];
- float EyeVectordata[4];
- float EyeVectorslope[4];
- float z;
- float diffusetex[4];
- float glosstex[4];
- float surfacenormal[4];
- float lightnormal[4];
- float eyenormal[4];
- float specularnormal[4];
- float diffuse;
- float specular;
- float SpecularPower;
- float CubeVector[4];
- float attenuation;
- int d[4];
- Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
- Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
- Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
- Color_Glow[3] = 0.0f;
- Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
- Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
- Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
- Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
- Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
- Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
- Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
- Color_Diffuse[3] = 0.0f;
- Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
- Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
- Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
- Color_Specular[3] = 0.0f;
- Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
- Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
- Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
- Color_Pants[3] = 0.0f;
- Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
- Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
- Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
- Color_Shirt[3] = 0.0f;
- LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
- LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
- LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
- LightColor[3] = 0.0f;
- SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
- EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
- EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
- EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
- EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
- EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
- EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
- EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
- EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
- LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
- LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
- LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
- LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
- LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
- LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
- LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
- LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
- CubeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][0];
- CubeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][1];
- CubeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][2];
- CubeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][3];
- CubeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][0];
- CubeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][1];
- CubeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][2];
- CubeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][3];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8 + startx*4, 0, (endx-startx)*4); // clear first, because we skip writing black pixels, and there are a LOT of them...
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- }
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
- DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(span, buffer_texture_cubebgra8, GL20TU_CUBE, DPSOFTRAST_ARRAY_TEXCOORD3, buffer_z);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- for (x = startx;x < endx;x++)
- {
- z = buffer_z[x];
- CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
- CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
- CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
- attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
- if (attenuation < 0.01f)
- continue;
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
- {
- attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
- if (attenuation < 0.01f)
- continue;
- }
-
- diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
- diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
- diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
- diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
- diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
- diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
- diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
- }
- glosstex[0] = buffer_texture_glossbgra8[x*4+0];
- glosstex[1] = buffer_texture_glossbgra8[x*4+1];
- glosstex[2] = buffer_texture_glossbgra8[x*4+2];
- glosstex[3] = buffer_texture_glossbgra8[x*4+3];
- surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
- DPSOFTRAST_Vector3Normalize(surfacenormal);
-
- lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
- lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
- lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
- DPSOFTRAST_Vector3Normalize(lightnormal);
-
- eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
- eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
- eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
- DPSOFTRAST_Vector3Normalize(eyenormal);
-
- specularnormal[0] = lightnormal[0] + eyenormal[0];
- specularnormal[1] = lightnormal[1] + eyenormal[1];
- specularnormal[2] = lightnormal[2] + eyenormal[2];
- DPSOFTRAST_Vector3Normalize(specularnormal);
-
- diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
- specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
- specular = pow(specular, SpecularPower * glosstex[3]);
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
- {
- // scale down the attenuation to account for the cubefilter multiplying everything by 255
- attenuation *= (1.0f / 255.0f);
- d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse) + glosstex[0] * Color_Specular[0] * specular) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse) + glosstex[1] * Color_Specular[1] * specular) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse) + glosstex[2] * Color_Specular[2] * specular) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
- }
- else
- {
- d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse) + glosstex[0] * Color_Specular[0] * specular) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse) + glosstex[1] * Color_Specular[1] * specular) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse) + glosstex[2] * Color_Specular[2] * specular) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
- }
- buffer_FragColorbgra8[x*4+0] = d[0];
- buffer_FragColorbgra8[x*4+1] = d[1];
- buffer_FragColorbgra8[x*4+2] = d[2];
- buffer_FragColorbgra8[x*4+3] = d[3];
- }
- }
- else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
- {
- DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
- for (x = startx;x < endx;x++)
- {
- z = buffer_z[x];
- CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
- CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
- CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
- attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
- if (attenuation < 0.01f)
- continue;
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
- {
- attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
- if (attenuation < 0.01f)
- continue;
- }
-
- diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
- diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
- diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
- diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
- diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
- diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
- diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
- }
- surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
- surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
- DPSOFTRAST_Vector3Normalize(surfacenormal);
-
- lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
- lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
- lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
- DPSOFTRAST_Vector3Normalize(lightnormal);
-
- diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
- {
- // scale down the attenuation to account for the cubefilter multiplying everything by 255
- attenuation *= (1.0f / 255.0f);
- d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
- }
- else
- {
- d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
- }
- buffer_FragColorbgra8[x*4+0] = d[0];
- buffer_FragColorbgra8[x*4+1] = d[1];
- buffer_FragColorbgra8[x*4+2] = d[2];
- buffer_FragColorbgra8[x*4+3] = d[3];
- }
- }
- else
- {
- for (x = startx;x < endx;x++)
- {
- z = buffer_z[x];
- CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
- CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
- CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
- attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
- if (attenuation < 0.01f)
- continue;
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
- {
- attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
- if (attenuation < 0.01f)
- continue;
- }
-
- diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
- diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
- diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
- diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
- {
- diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
- diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
- diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
- diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
- }
- if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
- {
- // scale down the attenuation to account for the cubefilter multiplying everything by 255
- attenuation *= (1.0f / 255.0f);
- d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
- }
- else
- {
- d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
- d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
- }
- buffer_FragColorbgra8[x*4+0] = d[0];
- buffer_FragColorbgra8[x*4+1] = d[1];
- buffer_FragColorbgra8[x*4+2] = d[2];
- buffer_FragColorbgra8[x*4+3] = d[3];
- }
- }
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_Refraction(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_Refraction(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // TODO: IMPLEMENT
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8, 0, span->length*4);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_Water(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
-}
-
-
-void DPSOFTRAST_PixelShader_Water(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // TODO: IMPLEMENT
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8, 0, span->length*4);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_ShowDepth(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_ShowDepth(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // TODO: IMPLEMENT
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8, 0, span->length*4);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_DeferredGeometry(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_DeferredGeometry(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // TODO: IMPLEMENT
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8, 0, span->length*4);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-void DPSOFTRAST_VertexShader_DeferredLightSource(void)
-{
- DPSOFTRAST_Array_Transform(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION], dpsoftrast.draw.numvertices, dpsoftrast.uniform4f + 4*DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1);
-}
-
-void DPSOFTRAST_PixelShader_DeferredLightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
-{
- // TODO: IMPLEMENT
- float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
- DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
- memset(buffer_FragColorbgra8, 0, span->length*4);
- DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
-}
-
-
-
-typedef struct DPSOFTRAST_ShaderModeInfo_s
-{
- int lodarrayindex;
- void (*Vertex)(void);
- void (*Span)(const DPSOFTRAST_State_Draw_Span * RESTRICT span);
-}
-DPSOFTRAST_ShaderModeInfo;
-
-DPSOFTRAST_ShaderModeInfo DPSOFTRAST_ShaderModeTable[SHADERMODE_COUNT] =
-{
- {2, DPSOFTRAST_VertexShader_Generic, DPSOFTRAST_PixelShader_Generic, },
- {2, DPSOFTRAST_VertexShader_PostProcess, DPSOFTRAST_PixelShader_PostProcess, },
- {2, DPSOFTRAST_VertexShader_Depth_Or_Shadow, DPSOFTRAST_PixelShader_Depth_Or_Shadow, },
- {2, DPSOFTRAST_VertexShader_FlatColor, DPSOFTRAST_PixelShader_FlatColor, },
- {2, DPSOFTRAST_VertexShader_VertexColor, DPSOFTRAST_PixelShader_VertexColor, },
- {2, DPSOFTRAST_VertexShader_Lightmap, DPSOFTRAST_PixelShader_Lightmap, },
- {2, DPSOFTRAST_VertexShader_FakeLight, DPSOFTRAST_PixelShader_FakeLight, },
- {2, DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace, DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace, },
- {2, DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace, DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace},
- {2, DPSOFTRAST_VertexShader_LightDirection, DPSOFTRAST_PixelShader_LightDirection, },
- {2, DPSOFTRAST_VertexShader_LightSource, DPSOFTRAST_PixelShader_LightSource, },
- {2, DPSOFTRAST_VertexShader_Refraction, DPSOFTRAST_PixelShader_Refraction, },
- {2, DPSOFTRAST_VertexShader_Water, DPSOFTRAST_PixelShader_Water, },
- {2, DPSOFTRAST_VertexShader_ShowDepth, DPSOFTRAST_PixelShader_ShowDepth, },
- {2, DPSOFTRAST_VertexShader_DeferredGeometry, DPSOFTRAST_PixelShader_DeferredGeometry, },
- {2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, }
-};
-
-
-
-void DPSOFTRAST_Draw_ProcessSpans(void)
-{
- int i;
- int x;
- int startx;
- int endx;
- int numspans = dpsoftrast.draw.numspans;
-// unsigned int c;
-// unsigned int *colorpixel;
- unsigned int *depthpixel;
- float w;
- float wslope;
- int depth;
- int depthslope;
- unsigned int d;
- DPSOFTRAST_State_Draw_Span *span = dpsoftrast.draw.spanqueue;
- unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH];
- for (i = 0;i < numspans;i++, span++)
- {
- w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
- wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
- if (dpsoftrast.user.depthtest && dpsoftrast.fb_depthpixels)
- {
- depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
- depth = (int)(w*DPSOFTRAST_DEPTHSCALE - DPSOFTRAST_DEPTHOFFSET*(dpsoftrast.user.polygonoffset[1] + fabs(wslope)*dpsoftrast.user.polygonoffset[0]));
- depthpixel = dpsoftrast.fb_depthpixels + span->start;
- switch(dpsoftrast.fb_depthfunc)
- {
- default:
- case GL_ALWAYS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = true; break;
- case GL_LESS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
- case GL_LEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
- case GL_EQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
- case GL_GEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
- case GL_GREATER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
- case GL_NEVER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = false; break;
- }
- //colorpixel = dpsoftrast.fb_colorpixels[0] + span->start;
- //for (x = 0;x < span->length;x++)
- // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000);
- // if there is no color buffer, skip pixel shader
- startx = 0;
- endx = span->length;
- while (startx < endx && !pixelmask[startx])
- startx++;
- while (endx > startx && !pixelmask[endx-1])
- endx--;
- if (startx >= endx)
- continue; // no pixels to fill
- span->pixelmask = pixelmask;
- span->startx = startx;
- span->endx = endx;
- // run pixel shader if appropriate
- // do this before running depthmask code, to allow the pixelshader
- // to clear pixelmask values for alpha testing
- if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
- DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
- if (dpsoftrast.user.depthmask)
- for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope)
- if (pixelmask[x])
- depthpixel[x] = d;
- }
- else
- {
- // no depth testing means we're just dealing with color...
- // if there is no color buffer, skip pixel shader
- if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
- {
- memset(pixelmask, 1, span->length);
- span->pixelmask = pixelmask;
- span->startx = 0;
- span->endx = span->length;
- DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
- }
- }
- }
-}
-
-void DPSOFTRAST_Draw_ProcessTriangles(int firstvertex, int numtriangles, const int *element3i, const unsigned short *element3s, unsigned char *arraymask)
-{
-#ifdef SSE2_PRESENT
- int cullface = dpsoftrast.user.cullface;
- int width = dpsoftrast.fb_width;
- int height = dpsoftrast.fb_height;
- __m128i fbmax = _mm_sub_epi16(_mm_setr_epi16(width, height, width, height, width, height, width, height), _mm_set1_epi16(1));
- int i;
- int j;
- int k;
- int y;
- int e[3];
- __m128i screeny;
- int starty, endy;
- int numpoints;
- int edge0p;
- int edge0n;
- int edge1p;
- int edge1n;
- int startx;
- int endx;
- unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS];
- __m128 mipedgescale;
- float clipdist[4];
- __m128 clipfrac[4];
- __m128 clipped[DPSOFTRAST_ARRAY_TOTAL][4];
- __m128 screen[4];
- __m128 proj[DPSOFTRAST_ARRAY_TOTAL][4];
- DPSOFTRAST_Texture *texture;
- DPSOFTRAST_State_Draw_Span *span;
- DPSOFTRAST_State_Draw_Span *oldspan;
- for (i = 0;i < numtriangles;i++)
- {
- // generate the 3 edges of this triangle
- // generate spans for the triangle - switch based on left split or right split classification of triangle
- if (element3i)
- {
- e[0] = element3i[i*3+0] - firstvertex;
- e[1] = element3i[i*3+1] - firstvertex;
- e[2] = element3i[i*3+2] - firstvertex;
- }
- else if (element3s)
- {
- e[0] = element3s[i*3+0] - firstvertex;
- e[1] = element3s[i*3+1] - firstvertex;
- e[2] = element3s[i*3+2] - firstvertex;
- }
- else
- {
- e[0] = i*3+0;
- e[1] = i*3+1;
- e[2] = i*3+2;
- }
-
-#define SKIPBACKFACE \
- if(cullface != GL_NONE) \
- { \
- __m128 triangleedge[2] = { _mm_sub_ps(screen[0], screen[1]), _mm_sub_ps(screen[2], screen[1]) }; \
- /* store normal in 2, 0, 1 order instead of 0, 1, 2 as it requires fewer shuffles and leaves z component accessible as scalar */ \
- __m128 trianglenormal = _mm_sub_ss(_mm_mul_ss(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))), \
- _mm_mul_ss(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1])); \
- /* apply current cullface mode (this culls many triangles) */ \
- switch(cullface) \
- { \
- case GL_BACK: \
- if (_mm_ucomilt_ss(trianglenormal, _mm_setzero_ps())) \
- continue; \
- break; \
- case GL_FRONT: \
- if (_mm_ucomigt_ss(trianglenormal, _mm_setzero_ps())) \
- continue; \
- break; \
- } \
- }
- //trianglenormal = _mm_sub_ps(_mm_mul_ps(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))),
- // _mm_mul_ps(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1]));
- //trianglenormal[2] = triangleedge[0][0] * triangleedge[1][1] - triangleedge[0][1] * triangleedge[1][0];
- //trianglenormal[0] = triangleedge[0][1] * triangleedge[1][2] - triangleedge[0][2] * triangleedge[1][1];
- //trianglenormal[1] = triangleedge[0][2] * triangleedge[1][0] - triangleedge[0][0] * triangleedge[1][2];
-
- // macros for clipping vertices
-#define CLIPPEDVERTEXLERP(k,p1, p2) \
- clipfrac[k] = _mm_set1_ps(clipdist[p1] / (clipdist[p1] - clipdist[p2])); \
- { \
- __m128 v1 = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[p1]*4]), v2 = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[p2]*4]); \
- clipped[DPSOFTRAST_ARRAY_POSITION][k] = _mm_add_ps(v1, _mm_mul_ps(_mm_sub_ps(v2, v1), clipfrac[k])); \
- } \
- screen[k] = DPSOFTRAST_Draw_ProjectVertex(clipped[DPSOFTRAST_ARRAY_POSITION][k]);
-#define CLIPPEDATTRIBSLERP(k,p1,p2) \
- for (j = DPSOFTRAST_ARRAY_POSITION+1;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
- {\
- /*if (arraymask[j])*/\
- {\
- __m128 v1 = _mm_load_ps(&dpsoftrast.draw.post_array4f[j][e[p1]*4]), v2 = _mm_load_ps(&dpsoftrast.draw.post_array4f[j][e[p2]*4]); \
- clipped[j][k] = _mm_add_ps(v1, _mm_mul_ps(_mm_sub_ps(v2, v1), clipfrac[k])); \
- }\
- }
-#define CLIPPEDVERTEXCOPY(k,p1) \
- screen[k] = _mm_load_ps(&dpsoftrast.draw.screencoord4f[e[p1]*4]);
-#define CLIPPEDATTRIBSCOPY(k,p1) \
- for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
- {\
- /*if (arraymask[j])*/\
- {\
- clipped[j][k] = _mm_load_ps(&dpsoftrast.draw.post_array4f[j][e[p1]*4]); \
- }\
- }
-
- // calculate distance from nearplane
- clipdist[0] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+2] + dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+3];
- clipdist[1] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+2] + dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+3];
- clipdist[2] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+2] + dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+3];
- if (clipdist[0] >= 0.0f)
- {
- if (clipdist[1] >= 0.0f)
- {
- if (clipdist[2] >= 0.0f)
- {
- // triangle is entirely in front of nearplane
- CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXCOPY(2,2);
- numpoints = 3;
- SKIPBACKFACE;
- CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSCOPY(2,2);
- }
- else
- {
- CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXLERP(2,1,2); CLIPPEDVERTEXLERP(3,2,0);
- numpoints = 4;
- SKIPBACKFACE;
- CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSLERP(2,1,2); CLIPPEDATTRIBSLERP(3,2,0);
- }
- }
- else
- {
- if (clipdist[2] >= 0.0f)
- {
- CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXLERP(1,0,1); CLIPPEDVERTEXLERP(2,1,2); CLIPPEDVERTEXCOPY(3,2);
- numpoints = 4;
- SKIPBACKFACE;
- CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSLERP(1,0,1); CLIPPEDATTRIBSLERP(2,1,2); CLIPPEDATTRIBSCOPY(3,2);
- }
- else
- {
- CLIPPEDVERTEXCOPY(0,0); CLIPPEDVERTEXLERP(1,0,1); CLIPPEDVERTEXLERP(2,2,0);
- numpoints = 3;
- SKIPBACKFACE;
- CLIPPEDATTRIBSCOPY(0,0); CLIPPEDATTRIBSLERP(1,0,1); CLIPPEDATTRIBSLERP(2,2,0);
- }
- }
- }
- else if (clipdist[1] >= 0.0f)
- {
- if (clipdist[2] >= 0.0f)
- {
- CLIPPEDVERTEXLERP(0,0,1); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXCOPY(2,2); CLIPPEDVERTEXLERP(3,2,0);
- numpoints = 4;
- SKIPBACKFACE;
- CLIPPEDATTRIBSLERP(0,0,1); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSCOPY(2,2); CLIPPEDATTRIBSLERP(3,2,0);
- }
- else
- {
- CLIPPEDVERTEXLERP(0,0,1); CLIPPEDVERTEXCOPY(1,1); CLIPPEDVERTEXLERP(2,1,2);
- numpoints = 3;
- SKIPBACKFACE;
- CLIPPEDATTRIBSLERP(0,0,1); CLIPPEDATTRIBSCOPY(1,1); CLIPPEDATTRIBSLERP(2,1,2);
- }
- }
- else if (clipdist[2] >= 0.0f)
- {
- CLIPPEDVERTEXLERP(0,1,2); CLIPPEDVERTEXCOPY(1,2); CLIPPEDVERTEXLERP(2,2,0);
- numpoints = 3;
- SKIPBACKFACE;
- CLIPPEDATTRIBSLERP(0,1,2); CLIPPEDATTRIBSCOPY(1,2); CLIPPEDATTRIBSLERP(2,2,0);
- }
- else continue; // triangle is entirely behind nearplane
-
- {
- // calculate integer y coords for triangle points
- __m128i screeni = _mm_packs_epi32(_mm_cvttps_epi32(_mm_shuffle_ps(screen[0], screen[1], _MM_SHUFFLE(1, 0, 1, 0))),
- _mm_cvttps_epi32(_mm_shuffle_ps(screen[2], numpoints <= 3 ? screen[2] : screen[3], _MM_SHUFFLE(1, 0, 1, 0)))),
- screenir = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(1, 0, 3, 2)),
- screenmin = _mm_min_epi16(screeni, screenir),
- screenmax = _mm_max_epi16(screeni, screenir);
- screenmin = _mm_min_epi16(screenmin, _mm_shufflelo_epi16(screenmin, _MM_SHUFFLE(1, 0, 3, 2)));
- screenmax = _mm_max_epi16(screenmax, _mm_shufflelo_epi16(screenmax, _MM_SHUFFLE(1, 0, 3, 2)));
- screenmin = _mm_max_epi16(screenmin, _mm_setzero_si128());
- screenmax = _mm_min_epi16(screenmax, fbmax);
- // skip offscreen triangles
- if (_mm_cvtsi128_si32(_mm_cmplt_epi16(screenmax, screenmin)))
- continue;
- starty = _mm_extract_epi16(screenmin, 1);
- endy = _mm_extract_epi16(screenmax, 1)+1;
- screeny = _mm_srai_epi32(screeni, 16);
- }
-
- // okay, this triangle is going to produce spans, we'd better project
- // the interpolants now (this is what gives perspective texturing),
- // this consists of simply multiplying all arrays by the W coord
- // (which is basically 1/Z), which will be undone per-pixel
- // (multiplying by Z again) to get the perspective-correct array
- // values
- for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
- {
- //if (arraymask[j])
- {
- for (k = 0;k < numpoints;k++)
- {
- proj[j][k] = _mm_mul_ps(clipped[j][k], _mm_shuffle_ps(screen[k], screen[k], _MM_SHUFFLE(3, 3, 3, 3)));
- }
- }
- }
- // adjust texture LOD by texture density, in the simplest way possible...
- mipedgescale = _mm_sub_ps(_mm_shuffle_ps(screen[0], screen[2], _MM_SHUFFLE(1, 0, 1, 0)), _mm_shuffle_ps(screen[1], screen[1], _MM_SHUFFLE(1, 0, 1, 0)));
- mipedgescale = _mm_mul_ps(mipedgescale, mipedgescale);
- mipedgescale = _mm_div_ps(_mm_set1_ps(1.0f), _mm_add_ps(mipedgescale, _mm_shuffle_ps(mipedgescale, mipedgescale, _MM_SHUFFLE(2, 3, 0, 1))));
- for (j = 0;j < DPSOFTRAST_MAXTEXTUREUNITS;j++)
- {
- texture = dpsoftrast.texbound[j];
- if (texture)
- {
- __m128 mipedgetc;
- if (texture->filter <= DPSOFTRAST_TEXTURE_FILTER_LINEAR)
- {
- mip[j] = 0;
- continue;
- }
- k = DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].lodarrayindex;
- mipedgetc = _mm_sub_ps(_mm_shuffle_ps(clipped[k][0], clipped[k][2], _MM_SHUFFLE(1, 0, 1, 0)),
- _mm_shuffle_ps(clipped[k][1], clipped[k][1], _MM_SHUFFLE(1, 0, 1, 0)));
- mipedgetc = _mm_mul_ps(mipedgetc, _mm_cvtepi32_ps(_mm_shuffle_epi32(_mm_loadl_epi64((const __m128i *)&texture->mipmap[0][2]), _MM_SHUFFLE(1, 0, 1, 0))));
- mipedgetc = _mm_mul_ps(mipedgetc, mipedgetc);
- mipedgetc = _mm_add_ps(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 3, 0, 1)));
- mipedgetc = _mm_mul_ps(mipedgetc, mipedgescale);
- mipedgetc = _mm_min_ss(mipedgetc, _mm_shuffle_ps(mipedgetc, mipedgetc, _MM_SHUFFLE(2, 2, 2, 2)));
- // this will be multiplied in the texturing routine by the texture resolution
- y = _mm_cvtss_si32(mipedgetc);
- if (y > 0)
- {
- y = (int)(log(y)/M_LN2);
- if (y > texture->mipmaps - 1)
- y = texture->mipmaps - 1;
- }
- else y = 0;
- mip[j] = y;
- }
- }
- // iterate potential spans
- // TODO: optimize? if we figured out the edge order beforehand, this
- // could do loops over the edges in the proper order rather than
- // selecting them for each span
- // TODO: optimize? the edges could have data slopes calculated
- // TODO: optimize? the data slopes could be calculated as a plane
- // (2D slopes) to avoid any interpolation along edges at all
- for (y = starty+1;y < endy;)
- {
- int nexty = -1;
- __m128 edge0offset, edge1offset, edge0scale, edge1scale, data[DPSOFTRAST_ARRAY_TOTAL+1][2], slope[DPSOFTRAST_ARRAY_TOTAL+1][2];
- __m128i screenycc = _mm_cmpgt_epi32(_mm_set1_epi32(y), screeny);
- int screenymask = _mm_movemask_epi8(screenycc);
- if (numpoints == 4)
- {
- switch(screenymask)
- {
- default:
- case 0xFFFF: /*0000*/ y++; continue;
- case 0xFFF0: /*1000*/ edge0p = 3;edge0n = 0;edge1p = 1;edge1n = 0;break;
- case 0xFF0F: /*0100*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break;
- case 0xFF00: /*1100*/ edge0p = 3;edge0n = 0;edge1p = 2;edge1n = 1;break;
- case 0xF0FF: /*0010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break;
- case 0xF0F0: /*1010*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 2;break; // concave - nonsense
- case 0xF00F: /*0110*/ edge0p = 0;edge0n = 1;edge1p = 3;edge1n = 2;break;
- case 0xF000: /*1110*/ edge0p = 3;edge0n = 0;edge1p = 3;edge1n = 2;break;
- case 0x0FFF: /*0001*/ edge0p = 2;edge0n = 3;edge1p = 0;edge1n = 3;break;
- case 0x0FF0: /*1001*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 0;break;
- case 0x0F0F: /*0101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break; // concave - nonsense
- case 0x0F00: /*1101*/ edge0p = 2;edge0n = 3;edge1p = 2;edge1n = 1;break;
- case 0x00FF: /*0011*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 3;break;
- case 0x00F0: /*1011*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break;
- case 0x000F: /*0111*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 3;break;
- case 0x0000: /*1111*/ y++; continue;
- }
- }
- else
- {
- switch(screenymask)
- {
- default:
- case 0xFFFF: /*000*/ y++; continue;
- case 0xFFF0: /*100*/ edge0p = 2;edge0n = 0;edge1p = 1;edge1n = 0;break;
- case 0xFF0F: /*010*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 1;break;
- case 0xFF00: /*110*/ edge0p = 2;edge0n = 0;edge1p = 2;edge1n = 1;break;
- case 0x00FF: /*001*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 2;break;
- case 0x00F0: /*101*/ edge0p = 1;edge0n = 2;edge1p = 1;edge1n = 0;break;
- case 0x000F: /*011*/ edge0p = 0;edge0n = 1;edge1p = 0;edge1n = 2;break;
- case 0x0000: /*111*/ y++; continue;
- }
- }
- screenycc = _mm_max_epi16(_mm_srli_epi16(screenycc, 1), screeny);
- screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(1, 0, 3, 2)));
- screenycc = _mm_min_epi16(screenycc, _mm_shuffle_epi32(screenycc, _MM_SHUFFLE(2, 3, 0, 1)));
- nexty = _mm_extract_epi16(screenycc, 0);
- if(nexty >= endy) nexty = endy-1;
- if (_mm_ucomigt_ss(_mm_max_ss(screen[edge0n], screen[edge0p]), _mm_min_ss(screen[edge1n], screen[edge1p])))
- {
- int tmp = edge0n;
- edge0n = edge1n;
- edge1n = tmp;
- tmp = edge0p;
- edge0p = edge1p;
- edge1p = tmp;
- }
- edge0offset = _mm_shuffle_ps(screen[edge0p], screen[edge0p], _MM_SHUFFLE(1, 1, 1, 1));
- edge0scale = _mm_div_ss(_mm_set1_ps(1.0f), _mm_sub_ss(_mm_shuffle_ps(screen[edge0n], screen[edge0n], _MM_SHUFFLE(1, 1, 1, 1)), edge0offset));
- edge0scale = _mm_shuffle_ps(edge0scale, edge0scale, _MM_SHUFFLE(0, 0, 0, 0));
- edge0offset = _mm_sub_ps(_mm_set1_ps(y), edge0offset);
- edge1offset = _mm_shuffle_ps(screen[edge1p], screen[edge1p], _MM_SHUFFLE(1, 1, 1, 1));
- edge1scale = _mm_div_ss(_mm_set1_ps(1.0f), _mm_sub_ss(_mm_shuffle_ps(screen[edge1n], screen[edge1n], _MM_SHUFFLE(1, 1, 1, 1)), edge1offset));
- edge1offset = _mm_sub_ps(_mm_set1_ps(y), edge1offset);
- edge1scale = _mm_shuffle_ps(edge1scale, edge1scale, _MM_SHUFFLE(0, 0, 0, 0));
- j = DPSOFTRAST_ARRAY_TOTAL;
- slope[j][0] = _mm_mul_ps(_mm_sub_ps(screen[edge0n], screen[edge0p]), edge0scale);
- slope[j][1] = _mm_mul_ps(_mm_sub_ps(screen[edge1n], screen[edge1p]), edge1scale);
- data[j][0] = _mm_add_ps(_mm_mul_ps(slope[j][0], edge0offset), screen[edge0p]);
- data[j][1] = _mm_add_ps(_mm_mul_ps(slope[j][1], edge1offset), screen[edge1p]);
- data[j][1] = _mm_sub_ps(data[j][1], data[j][0]);
- slope[j][1] = _mm_sub_ps(slope[j][1], slope[j][0]);
- for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
- {
- //if (arraymask[j])
- {
- slope[j][0] = _mm_mul_ps(_mm_sub_ps(proj[j][edge0n], proj[j][edge0p]), edge0scale);
- slope[j][1] = _mm_mul_ps(_mm_sub_ps(proj[j][edge1n], proj[j][edge1p]), edge1scale);
- data[j][0] = _mm_add_ps(_mm_mul_ps(slope[j][0], edge0offset), proj[j][edge0p]);
- data[j][1] = _mm_add_ps(_mm_mul_ps(slope[j][1], edge1offset), proj[j][edge1p]);
- data[j][1] = _mm_sub_ps(data[j][1], data[j][0]);
- slope[j][1] = _mm_sub_ps(slope[j][1], slope[j][0]);
- }
- }
- goto firstspan;
- for(; y <= nexty; y++)
- {
- __m128 data0, data1, spanilength, startxlerp;
- j = DPSOFTRAST_ARRAY_TOTAL;
- data[j][0] = _mm_add_ps(data[j][0], slope[j][0]);
- data[j][1] = _mm_add_ps(data[j][1], slope[j][1]);
- for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
- {
- //if (arraymask[j])
- {
- data[j][0] = _mm_add_ps(data[j][0], slope[j][0]);
- data[j][1] = _mm_add_ps(data[j][1], slope[j][1]);
- }
- }
-
- firstspan:
- startx = _mm_cvtss_si32(_mm_add_ss(data[DPSOFTRAST_ARRAY_TOTAL][0], _mm_set1_ps(0.5f)));
- endx = _mm_cvtss_si32(_mm_add_ss(_mm_add_ss(data[DPSOFTRAST_ARRAY_TOTAL][0], data[DPSOFTRAST_ARRAY_TOTAL][1]), _mm_set1_ps(0.5f)));
- if (startx < 0) startx = 0;
- if (endx > width) endx = width;
- if (startx >= endx) continue;
-#if 0
- _mm_store_ss(&startxf, data0);
- _mm_store_ss(&endxf, data1);
- if (startxf > startx || endxf < endx-1) { printf("%s:%i X wrong (%i to %i is outside %f to %f)\n", __FILE__, __LINE__, startx, endx, startxf, endxf); }
-#endif
- spanilength = _mm_div_ss(_mm_set1_ps(1.0f), data[DPSOFTRAST_ARRAY_TOTAL][1]);
- spanilength = _mm_shuffle_ps(spanilength, spanilength, _MM_SHUFFLE(0, 0, 0, 0));
- startxlerp = _mm_sub_ss(_mm_cvtsi32_ss(_mm_setzero_ps(), startx), data[DPSOFTRAST_ARRAY_TOTAL][0]);
- startxlerp = _mm_shuffle_ps(startxlerp, startxlerp, _MM_SHUFFLE(0, 0, 0, 0));
- span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
- memcpy(span->mip, mip, sizeof(span->mip));
- span->start = y * width + startx;
- span->length = endx - startx;
- j = DPSOFTRAST_ARRAY_TOTAL;
- data1 = _mm_mul_ps(data[j][1], spanilength);
- data0 = _mm_add_ps(data[j][0], _mm_mul_ps(data1, startxlerp));
- _mm_store_ps(span->data[0][j], data0);
- _mm_store_ps(span->data[1][j], data1);
- for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
- {
- //if (arraymask[j])
- {
- data1 = _mm_mul_ps(data[j][1], spanilength);
- data0 = _mm_add_ps(data[j][0], _mm_mul_ps(data1, startxlerp));
- _mm_store_ps(span->data[0][j], data0);
- _mm_store_ps(span->data[1][j], data1);
- }
- }
- // to keep the shader routines from needing more than a small
- // buffer for pixel intermediate data, we split long spans...
- while (span->length > DPSOFTRAST_DRAW_MAXSPANLENGTH)
- {
- span->length = DPSOFTRAST_DRAW_MAXSPANLENGTH;
- if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
- {
- DPSOFTRAST_Draw_ProcessSpans();
- dpsoftrast.draw.numspans = 0;
- }
- oldspan = span;
- span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
- *span = *oldspan;
- startx += DPSOFTRAST_DRAW_MAXSPANLENGTH;
- span->start = y * width + startx;
- span->length = endx - startx;
- j = DPSOFTRAST_ARRAY_TOTAL;
- _mm_store_ps(span->data[0][j], _mm_add_ps(_mm_load_ps(span->data[0][j]), _mm_mul_ps(_mm_load_ps(span->data[1][j]), _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH))));
- for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
- {
- //if (arraymask[j])
- {
- _mm_store_ps(span->data[0][j], _mm_add_ps(_mm_load_ps(span->data[0][j]), _mm_mul_ps(_mm_load_ps(span->data[1][j]), _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH))));
- }
- }
- }
- // after all that, we have a span suitable for the pixel shader...
- if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
- {
- DPSOFTRAST_Draw_ProcessSpans();
- dpsoftrast.draw.numspans = 0;
- }
- }
- }
- // draw outlines over triangle for debugging
- // for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
- // DPSOFTRAST_Draw_DebugEdgePoints(screen[k], screen[j]);
- }
- if (dpsoftrast.draw.numspans)
- {
- DPSOFTRAST_Draw_ProcessSpans();
- dpsoftrast.draw.numspans = 0;
- }
-#endif
-}
-
-void DPSOFTRAST_Draw_DebugPoints(void)
-{
- int i;
- int x;
- int y;
- int numvertices = dpsoftrast.draw.numvertices;
- int w = dpsoftrast.fb_width;
- int bounds[4];
- unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
- const float *c4f;
- bounds[0] = dpsoftrast.fb_viewportscissor[0];
- bounds[1] = dpsoftrast.fb_viewportscissor[1];
- bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
- bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
- for (i = 0;i < numvertices;i++)
- {
- // check nearclip
- //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
- // continue;
- x = (int)(dpsoftrast.draw.screencoord4f[i*4+0]);
- y = (int)(dpsoftrast.draw.screencoord4f[i*4+1]);
- //x = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 0.5f);
- //y = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 0.5f);
- //x = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 1.0f) * dpsoftrast.fb_width * 0.5f + 0.5f);
- //y = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 1.0f) * dpsoftrast.fb_height * 0.5f + 0.5f);
- if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
- continue;
- c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + i*4;
- pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
- }
-}
-
-void DPSOFTRAST_DrawTriangles(int firstvertex, int numvertices, int numtriangles, const int *element3i, const unsigned short *element3s)
-{
- unsigned char arraymask[DPSOFTRAST_ARRAY_TOTAL];
- arraymask[0] = true;
- arraymask[1] = dpsoftrast.fb_colorpixels[0] != NULL; // TODO: optimize (decide based on shadermode)
- arraymask[2] = dpsoftrast.pointer_texcoordf[0] != NULL;
- arraymask[3] = dpsoftrast.pointer_texcoordf[1] != NULL;
- arraymask[4] = dpsoftrast.pointer_texcoordf[2] != NULL;
- arraymask[5] = dpsoftrast.pointer_texcoordf[3] != NULL;
- arraymask[6] = dpsoftrast.pointer_texcoordf[4] != NULL;
- arraymask[7] = dpsoftrast.pointer_texcoordf[5] != NULL;
- arraymask[8] = dpsoftrast.pointer_texcoordf[6] != NULL;
- arraymask[9] = dpsoftrast.pointer_texcoordf[7] != NULL;
- DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_DRAW);
- DPSOFTRAST_Draw_LoadVertices(firstvertex, numvertices, true);
- DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Vertex();
- DPSOFTRAST_Draw_ProjectVertices(dpsoftrast.draw.screencoord4f, dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], numvertices);
- DPSOFTRAST_Draw_ProcessTriangles(firstvertex, numtriangles, element3i, element3s, arraymask);
-}
-
-void DPSOFTRAST_Init(int width, int height, unsigned int *colorpixels, unsigned int *depthpixels)
-{
- union
- {
- int i;
- unsigned char b[4];
- }
- u;
- u.i = 1;
- memset(&dpsoftrast, 0, sizeof(dpsoftrast));
- dpsoftrast.bigendian = u.b[3];
- dpsoftrast.fb_width = width;
- dpsoftrast.fb_height = height;
- dpsoftrast.fb_depthpixels = depthpixels;
- dpsoftrast.fb_colorpixels[0] = colorpixels;
- dpsoftrast.fb_colorpixels[1] = NULL;
- dpsoftrast.fb_colorpixels[1] = NULL;
- dpsoftrast.fb_colorpixels[1] = NULL;
- dpsoftrast.texture_firstfree = 1;
- dpsoftrast.texture_end = 1;
- dpsoftrast.texture_max = 0;
- dpsoftrast.user.colormask[0] = 1;
- dpsoftrast.user.colormask[1] = 1;
- dpsoftrast.user.colormask[2] = 1;
- dpsoftrast.user.colormask[3] = 1;
- dpsoftrast.user.blendfunc[0] = GL_ONE;
- dpsoftrast.user.blendfunc[1] = GL_ZERO;
- dpsoftrast.user.depthmask = true;
- dpsoftrast.user.depthtest = true;
- dpsoftrast.user.depthfunc = GL_LEQUAL;
- dpsoftrast.user.scissortest = false;
- dpsoftrast.user.cullface = GL_BACK;
- dpsoftrast.user.alphatest = false;
- dpsoftrast.user.alphafunc = GL_GREATER;
- dpsoftrast.user.alphavalue = 0.5f;
- dpsoftrast.user.scissor[0] = 0;
- dpsoftrast.user.scissor[1] = 0;
- dpsoftrast.user.scissor[2] = dpsoftrast.fb_width;
- dpsoftrast.user.scissor[3] = dpsoftrast.fb_height;
- dpsoftrast.user.viewport[0] = 0;
- dpsoftrast.user.viewport[1] = 0;
- dpsoftrast.user.viewport[2] = dpsoftrast.fb_width;
- dpsoftrast.user.viewport[3] = dpsoftrast.fb_height;
- dpsoftrast.user.depthrange[0] = 0;
- dpsoftrast.user.depthrange[1] = 1;
- dpsoftrast.user.polygonoffset[0] = 0;
- dpsoftrast.user.polygonoffset[1] = 0;
- dpsoftrast.user.color[0] = 1;
- dpsoftrast.user.color[1] = 1;
- dpsoftrast.user.color[2] = 1;
- dpsoftrast.user.color[3] = 1;
- dpsoftrast.validate = -1;
- DPSOFTRAST_Validate(-1);
- dpsoftrast.validate = 0;
-}
-
-void DPSOFTRAST_Shutdown(void)
-{
- int i;
- for (i = 0;i < dpsoftrast.texture_end;i++)
- if (dpsoftrast.texture[i].bytes)
- MM_FREE(dpsoftrast.texture[i].bytes);
- if (dpsoftrast.texture)
- free(dpsoftrast.texture);
- memset(&dpsoftrast, 0, sizeof(dpsoftrast));
-}
-
projects / xonotic / darkplaces.git / blobdiff