6 #include "dpsoftrast.h"
13 #define ALIGN(var) var __attribute__((__aligned__(16)))
14 #elif defined(_MSC_VER)
15 #define ALIGN(var) __declspec(align(16)) var
17 #define ALIGN(var) var
21 #include <emmintrin.h>
23 #define MM_MALLOC(size) _mm_malloc(size, 16)
25 static void *MM_CALLOC(size_t nmemb, size_t size)
27 void *ptr = _mm_malloc(nmemb*size, 16);
28 if(ptr != NULL) memset(ptr, 0, nmemb*size);
32 #define MM_FREE _mm_free
34 #define MM_MALLOC(size) malloc(size)
35 #define MM_CALLOC(nmemb, size) calloc(nmemb, size)
39 typedef enum DPSOFTRAST_ARRAY_e
41 DPSOFTRAST_ARRAY_POSITION,
42 DPSOFTRAST_ARRAY_COLOR,
43 DPSOFTRAST_ARRAY_TEXCOORD0,
44 DPSOFTRAST_ARRAY_TEXCOORD1,
45 DPSOFTRAST_ARRAY_TEXCOORD2,
46 DPSOFTRAST_ARRAY_TEXCOORD3,
47 DPSOFTRAST_ARRAY_TEXCOORD4,
48 DPSOFTRAST_ARRAY_TEXCOORD5,
49 DPSOFTRAST_ARRAY_TEXCOORD6,
50 DPSOFTRAST_ARRAY_TEXCOORD7,
51 DPSOFTRAST_ARRAY_TOTAL
55 typedef struct DPSOFTRAST_Texture_s
62 DPSOFTRAST_TEXTURE_FILTER filter;
66 int mipmap[DPSOFTRAST_MAXMIPMAPS][5];
70 typedef struct DPSOFTRAST_State_User_s
86 float polygonoffset[2];
89 DPSOFTRAST_State_User;
91 #define DPSOFTRAST_MAXSUBSPAN 16
93 typedef ALIGN(struct DPSOFTRAST_State_Draw_Span_s
95 int start; // pixel index
96 int length; // pixel count
97 int startx; // usable range (according to pixelmask)
98 int endx; // usable range (according to pixelmask)
99 unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS]; // texcoord to screen space density values (for picking mipmap of textures)
100 unsigned char *pixelmask; // true for pixels that passed depth test, false for others
101 // [0][n][] is start interpolant values (projected)
102 // [1][n][] is end interpolant values (projected)
103 // [0][DPSOFTRAST_ARRAY_TOTAL][] is start screencoord4f
104 // [1][DPSOFTRAST_ARRAY_TOTAL][] is end screencoord4f
105 // NOTE: screencoord4f[3] is W (basically 1/Z), useful for depthbuffer
106 ALIGN(float data[2][DPSOFTRAST_ARRAY_TOTAL+1][4]);
108 DPSOFTRAST_State_Draw_Span);
110 #define DPSOFTRAST_DRAW_MAXSPANQUEUE 1024
112 typedef struct DPSOFTRAST_State_Draw_s
116 float *in_array4f[DPSOFTRAST_ARRAY_TOTAL];
117 float *post_array4f[DPSOFTRAST_ARRAY_TOTAL];
118 float *screencoord4f;
120 // spans are queued in this structure for dispatch to the pixel shader,
121 // partly to improve cache locality, partly for batching purposes, spans
122 // are flushed before DrawTriangles returns to caller
124 DPSOFTRAST_State_Draw_Span spanqueue[DPSOFTRAST_DRAW_MAXSPANQUEUE];
126 DPSOFTRAST_State_Draw;
128 #define DPSOFTRAST_VALIDATE_FB 1
129 #define DPSOFTRAST_VALIDATE_DEPTHFUNC 2
130 #define DPSOFTRAST_VALIDATE_BLENDFUNC 4
131 #define DPSOFTRAST_VALIDATE_DRAW (DPSOFTRAST_VALIDATE_FB | DPSOFTRAST_VALIDATE_DEPTHFUNC | DPSOFTRAST_VALIDATE_BLENDFUNC)
133 typedef enum DPSOFTRAST_BLENDMODE_e
135 DPSOFTRAST_BLENDMODE_OPAQUE,
136 DPSOFTRAST_BLENDMODE_ALPHA,
137 DPSOFTRAST_BLENDMODE_ADDALPHA,
138 DPSOFTRAST_BLENDMODE_ADD,
139 DPSOFTRAST_BLENDMODE_INVMOD,
140 DPSOFTRAST_BLENDMODE_MUL,
141 DPSOFTRAST_BLENDMODE_MUL2,
142 DPSOFTRAST_BLENDMODE_SUBALPHA,
143 DPSOFTRAST_BLENDMODE_PSEUDOALPHA,
144 DPSOFTRAST_BLENDMODE_TOTAL
146 DPSOFTRAST_BLENDMODE;
148 typedef ALIGN(struct DPSOFTRAST_State_s
150 // DPSOFTRAST_VALIDATE_ flags
156 unsigned int *fb_depthpixels;
157 unsigned int *fb_colorpixels[4];
159 const float *pointer_vertex3f;
160 const float *pointer_color4f;
161 const unsigned char *pointer_color4ub;
162 const float *pointer_texcoordf[DPSOFTRAST_MAXTEXCOORDARRAYS];
165 int stride_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS];
166 int components_texcoord[DPSOFTRAST_MAXTEXCOORDARRAYS];
167 DPSOFTRAST_Texture *texbound[DPSOFTRAST_MAXTEXTUREUNITS];
170 int shader_permutation;
171 ALIGN(float uniform4f[DPSOFTRAST_UNIFORM_TOTAL*4]);
172 int uniform1i[DPSOFTRAST_UNIFORM_TOTAL];
174 // derived values (DPSOFTRAST_VALIDATE_FB)
175 int fb_clearscissor[4];
177 int fb_viewportscissor[4];
178 float fb_viewportcenter[2];
179 float fb_viewportscale[2];
181 // derived values (DPSOFTRAST_VALIDATE_DEPTHFUNC)
184 // derived values (DPSOFTRAST_VALIDATE_BLENDFUNC)
189 int texture_firstfree;
190 DPSOFTRAST_Texture *texture;
195 const char *errorstring;
197 DPSOFTRAST_State_User user;
199 DPSOFTRAST_State_Draw draw;
203 DPSOFTRAST_State dpsoftrast;
205 extern int dpsoftrast_test;
207 #define DPSOFTRAST_DEPTHSCALE (1024.0f*1048576.0f)
208 #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))
209 #define DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d) ((int)(DPSOFTRAST_DEPTHSCALE * (1-d)))
210 #define DPSOFTRAST_DRAW_MAXSPANLENGTH 256
212 void DPSOFTRAST_RecalcFB(void)
214 // calculate framebuffer scissor, viewport, viewport clipped by scissor,
215 // and viewport projection values
216 int x1, x2, x3, x4, x5, x6;
217 int y1, y2, y3, y4, y5, y6;
218 x1 = dpsoftrast.user.scissor[0];
219 x2 = dpsoftrast.user.scissor[0] + dpsoftrast.user.scissor[2];
220 x3 = dpsoftrast.user.viewport[0];
221 x4 = dpsoftrast.user.viewport[0] + dpsoftrast.user.viewport[2];
222 y1 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1] - dpsoftrast.user.scissor[3];
223 y2 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1];
224 y3 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - dpsoftrast.user.viewport[3];
225 y4 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1];
226 if (!dpsoftrast.user.scissortest) {x1 = 0;y1 = 0;x2 = dpsoftrast.fb_width;y2 = dpsoftrast.fb_height;}
228 if (x2 > dpsoftrast.fb_width) x2 = dpsoftrast.fb_width;
230 if (x4 > dpsoftrast.fb_width) x4 = dpsoftrast.fb_width;
232 if (y2 > dpsoftrast.fb_height) y2 = dpsoftrast.fb_height;
234 if (y4 > dpsoftrast.fb_height) y4 = dpsoftrast.fb_height;
235 x5 = x1;if (x5 < x3) x5 = x3;
236 x6 = x2;if (x6 > x4) x4 = x4;
237 y5 = y1;if (y5 < y3) y5 = y3;
238 y6 = y2;if (y6 > y4) y6 = y4;
239 dpsoftrast.fb_clearscissor[0] = x1;
240 dpsoftrast.fb_clearscissor[1] = y1;
241 dpsoftrast.fb_clearscissor[2] = x2 - x1;
242 dpsoftrast.fb_clearscissor[3] = y2 - y1;
243 dpsoftrast.fb_viewport[0] = x3;
244 dpsoftrast.fb_viewport[1] = y3;
245 dpsoftrast.fb_viewport[2] = x4 - x3;
246 dpsoftrast.fb_viewport[3] = y4 - y3;
247 dpsoftrast.fb_viewportscissor[0] = x5;
248 dpsoftrast.fb_viewportscissor[1] = y5;
249 dpsoftrast.fb_viewportscissor[2] = x6 - x5;
250 dpsoftrast.fb_viewportscissor[3] = y6 - y5;
251 dpsoftrast.fb_viewportcenter[0] = dpsoftrast.user.viewport[0] + 0.5f * dpsoftrast.user.viewport[2] - 0.5f;
252 dpsoftrast.fb_viewportcenter[1] = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - 0.5f * dpsoftrast.user.viewport[3] - 0.5f;
253 dpsoftrast.fb_viewportscale[0] = 0.5f * dpsoftrast.user.viewport[2];
254 dpsoftrast.fb_viewportscale[1] = -0.5f * dpsoftrast.user.viewport[3];
257 void DPSOFTRAST_RecalcDepthFunc(void)
259 dpsoftrast.fb_depthfunc = dpsoftrast.user.depthtest ? dpsoftrast.user.depthfunc : GL_ALWAYS;
262 int blendmodetable[][4] =
264 {DPSOFTRAST_BLENDMODE_OPAQUE, GL_ONE, GL_ZERO, false},
265 {DPSOFTRAST_BLENDMODE_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, false},
266 {DPSOFTRAST_BLENDMODE_ADDALPHA, GL_SRC_ALPHA, GL_ONE, false},
267 {DPSOFTRAST_BLENDMODE_ADD, GL_ONE, GL_ONE, false},
268 {DPSOFTRAST_BLENDMODE_INVMOD, GL_ZERO, GL_ONE_MINUS_SRC_COLOR, false},
269 {DPSOFTRAST_BLENDMODE_MUL, GL_ZERO, GL_SRC_COLOR, false},
270 {DPSOFTRAST_BLENDMODE_MUL, GL_DST_COLOR, GL_ZERO, false},
271 {DPSOFTRAST_BLENDMODE_MUL2, GL_DST_COLOR, GL_SRC_COLOR, false},
272 {DPSOFTRAST_BLENDMODE_PSEUDOALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, false},
273 {DPSOFTRAST_BLENDMODE_SUBALPHA, GL_SRC_COLOR, GL_ONE, true}
276 void DPSOFTRAST_RecalcBlendFunc(void)
279 dpsoftrast.fb_blendmode = DPSOFTRAST_BLENDMODE_OPAQUE;
280 for (i = 0;i < (int)(sizeof(blendmodetable) / sizeof(blendmodetable[0]));i++)
282 if (dpsoftrast.user.blendfunc[0] == blendmodetable[i][1] && dpsoftrast.user.blendfunc[1] == blendmodetable[i][2] && dpsoftrast.user.blendsubtract == blendmodetable[i][3])
284 dpsoftrast.fb_blendmode = blendmodetable[i][0];
290 #define DPSOFTRAST_ValidateQuick(f) ((dpsoftrast.validate & (f)) ? (DPSOFTRAST_Validate(f), 0) : 0)
292 void DPSOFTRAST_Validate(int mask)
294 mask &= dpsoftrast.validate;
297 if (mask & DPSOFTRAST_VALIDATE_FB)
299 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_FB;
300 DPSOFTRAST_RecalcFB();
302 if (mask & DPSOFTRAST_VALIDATE_DEPTHFUNC)
304 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_DEPTHFUNC;
305 DPSOFTRAST_RecalcDepthFunc();
307 if (mask & DPSOFTRAST_VALIDATE_BLENDFUNC)
309 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_BLENDFUNC;
310 DPSOFTRAST_RecalcBlendFunc();
314 DPSOFTRAST_Texture *DPSOFTRAST_Texture_GetByIndex(int index)
316 if (index >= 1 && index < dpsoftrast.texture_end && dpsoftrast.texture[index].bytes)
317 return &dpsoftrast.texture[index];
321 int DPSOFTRAST_Texture_New(int flags, int width, int height, int depth)
330 int sides = (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) ? 6 : 1;
331 int texformat = flags & DPSOFTRAST_TEXTURE_FORMAT_COMPAREMASK;
332 DPSOFTRAST_Texture *texture;
333 if (width*height*depth < 1)
335 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: width, height or depth is less than 1";
338 if (width > DPSOFTRAST_TEXTURE_MAXSIZE || height > DPSOFTRAST_TEXTURE_MAXSIZE || depth > DPSOFTRAST_TEXTURE_MAXSIZE)
340 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: texture size is too large";
345 case DPSOFTRAST_TEXTURE_FORMAT_BGRA8:
346 case DPSOFTRAST_TEXTURE_FORMAT_RGBA8:
347 case DPSOFTRAST_TEXTURE_FORMAT_ALPHA8:
349 case DPSOFTRAST_TEXTURE_FORMAT_DEPTH:
350 if (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP)
352 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
357 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
360 if ((flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && (texformat == DPSOFTRAST_TEXTURE_FORMAT_DEPTH))
362 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH does not permit mipmaps";
367 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP))
369 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_CUBEMAP can not be used on 3D textures";
372 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
374 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
377 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
379 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
382 if ((flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
384 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on cubemap textures";
387 if ((width & (width-1)) || (height & (height-1)) || (depth & (depth-1)))
389 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: dimensions are not power of two";
392 // find first empty slot in texture array
393 for (texnum = dpsoftrast.texture_firstfree;texnum < dpsoftrast.texture_end;texnum++)
394 if (!dpsoftrast.texture[texnum].bytes)
396 dpsoftrast.texture_firstfree = texnum + 1;
397 if (dpsoftrast.texture_max <= texnum)
399 // expand texture array as needed
400 if (dpsoftrast.texture_max < 1024)
401 dpsoftrast.texture_max = 1024;
403 dpsoftrast.texture_max *= 2;
404 dpsoftrast.texture = (DPSOFTRAST_Texture *)realloc(dpsoftrast.texture, dpsoftrast.texture_max * sizeof(DPSOFTRAST_Texture));
406 if (dpsoftrast.texture_end <= texnum)
407 dpsoftrast.texture_end = texnum + 1;
408 texture = &dpsoftrast.texture[texnum];
409 memset(texture, 0, sizeof(*texture));
410 texture->flags = flags;
411 texture->width = width;
412 texture->height = height;
413 texture->depth = depth;
414 texture->sides = sides;
425 s = w * h * d * sides * 4;
426 texture->mipmap[mipmaps][0] = size;
427 texture->mipmap[mipmaps][1] = s;
428 texture->mipmap[mipmaps][2] = w;
429 texture->mipmap[mipmaps][3] = h;
430 texture->mipmap[mipmaps][4] = d;
433 if (w * h * d == 1 || !(flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
439 texture->mipmaps = mipmaps;
440 texture->size = size;
442 // allocate the pixels now
443 texture->bytes = (unsigned char *)MM_CALLOC(1, size);
447 void DPSOFTRAST_Texture_Free(int index)
449 DPSOFTRAST_Texture *texture;
450 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
452 MM_FREE(texture->bytes);
453 texture->bytes = NULL;
454 memset(texture, 0, sizeof(*texture));
455 // adjust the free range and used range
456 if (dpsoftrast.texture_firstfree > index)
457 dpsoftrast.texture_firstfree = index;
458 while (dpsoftrast.texture_end > 0 && dpsoftrast.texture[dpsoftrast.texture_end-1].bytes == NULL)
459 dpsoftrast.texture_end--;
461 void DPSOFTRAST_Texture_CalculateMipmaps(int index)
463 int i, x, y, z, w, layer0, layer1, row0, row1;
464 unsigned char *o, *i0, *i1, *i2, *i3;
465 DPSOFTRAST_Texture *texture;
466 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
467 if (texture->mipmaps <= 1)
469 for (i = 1;i < texture->mipmaps;i++)
471 for (z = 0;z < texture->mipmap[i][4];z++)
475 if (layer1 >= texture->mipmap[i-1][4])
476 layer1 = texture->mipmap[i-1][4]-1;
477 for (y = 0;y < texture->mipmap[i][3];y++)
481 if (row1 >= texture->mipmap[i-1][3])
482 row1 = texture->mipmap[i-1][3]-1;
483 o = texture->bytes + texture->mipmap[i ][0] + 4*((texture->mipmap[i ][3] * z + y ) * texture->mipmap[i ][2]);
484 i0 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row0) * texture->mipmap[i-1][2]);
485 i1 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row1) * texture->mipmap[i-1][2]);
486 i2 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row0) * texture->mipmap[i-1][2]);
487 i3 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row1) * texture->mipmap[i-1][2]);
488 w = texture->mipmap[i][2];
491 if (texture->mipmap[i-1][2] > 1)
493 // average 3D texture
494 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8, i2 += 8, i3 += 8)
496 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + i2[0] + i2[4] + i3[0] + i3[4] + 4) >> 3;
497 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + i2[1] + i2[5] + i3[1] + i3[5] + 4) >> 3;
498 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + i2[2] + i2[6] + i3[2] + i3[6] + 4) >> 3;
499 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + i2[3] + i2[7] + i3[3] + i3[7] + 4) >> 3;
504 // average 3D mipmap with parent width == 1
505 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
507 o[0] = (i0[0] + i1[0] + i2[0] + i3[0] + 2) >> 2;
508 o[1] = (i0[1] + i1[1] + i2[1] + i3[1] + 2) >> 2;
509 o[2] = (i0[2] + i1[2] + i2[2] + i3[2] + 2) >> 2;
510 o[3] = (i0[3] + i1[3] + i2[3] + i3[3] + 2) >> 2;
516 if (texture->mipmap[i-1][2] > 1)
518 // average 2D texture (common case)
519 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
521 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + 2) >> 2;
522 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + 2) >> 2;
523 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + 2) >> 2;
524 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + 2) >> 2;
529 // 2D texture with parent width == 1
530 o[0] = (i0[0] + i1[0] + 1) >> 1;
531 o[1] = (i0[1] + i1[1] + 1) >> 1;
532 o[2] = (i0[2] + i1[2] + 1) >> 1;
533 o[3] = (i0[3] + i1[3] + 1) >> 1;
540 void DPSOFTRAST_Texture_UpdatePartial(int index, int mip, const unsigned char *pixels, int blockx, int blocky, int blockwidth, int blockheight)
542 DPSOFTRAST_Texture *texture;
543 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
547 dpsoftrast.errorstring = "DPSOFTRAST_Texture_UpdatePartial: Not implemented.";
549 void DPSOFTRAST_Texture_UpdateFull(int index, const unsigned char *pixels)
551 DPSOFTRAST_Texture *texture;
552 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
554 memcpy(texture->bytes, pixels, texture->mipmap[0][1]);
555 DPSOFTRAST_Texture_CalculateMipmaps(index);
557 int DPSOFTRAST_Texture_GetWidth(int index, int mip)
559 DPSOFTRAST_Texture *texture;
560 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
561 return texture->mipmap[mip][2];
563 int DPSOFTRAST_Texture_GetHeight(int index, int mip)
565 DPSOFTRAST_Texture *texture;
566 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
567 return texture->mipmap[mip][3];
569 int DPSOFTRAST_Texture_GetDepth(int index, int mip)
571 DPSOFTRAST_Texture *texture;
572 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
573 return texture->mipmap[mip][4];
575 unsigned char *DPSOFTRAST_Texture_GetPixelPointer(int index, int mip)
577 DPSOFTRAST_Texture *texture;
578 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
579 return texture->bytes + texture->mipmap[mip][0];
581 void DPSOFTRAST_Texture_Filter(int index, DPSOFTRAST_TEXTURE_FILTER filter)
583 DPSOFTRAST_Texture *texture;
584 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
585 if (!(texture->flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && filter > DPSOFTRAST_TEXTURE_FILTER_LINEAR)
587 dpsoftrast.errorstring = "DPSOFTRAST_Texture_Filter: requested filter mode requires mipmaps";
590 texture->filter = filter;
593 void DPSOFTRAST_SetRenderTargets(int width, int height, unsigned int *depthpixels, unsigned int *colorpixels0, unsigned int *colorpixels1, unsigned int *colorpixels2, unsigned int *colorpixels3)
595 dpsoftrast.fb_width = width;
596 dpsoftrast.fb_height = height;
597 dpsoftrast.fb_depthpixels = depthpixels;
598 dpsoftrast.fb_colorpixels[0] = colorpixels0;
599 dpsoftrast.fb_colorpixels[1] = colorpixels1;
600 dpsoftrast.fb_colorpixels[2] = colorpixels2;
601 dpsoftrast.fb_colorpixels[3] = colorpixels3;
603 void DPSOFTRAST_Viewport(int x, int y, int width, int height)
605 dpsoftrast.user.viewport[0] = x;
606 dpsoftrast.user.viewport[1] = y;
607 dpsoftrast.user.viewport[2] = width;
608 dpsoftrast.user.viewport[3] = height;
609 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
611 void DPSOFTRAST_ClearColor(float r, float g, float b, float a)
613 int i, x1, y1, x2, y2, w, h, x, y;
616 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
617 x1 = dpsoftrast.fb_clearscissor[0];
618 y1 = dpsoftrast.fb_clearscissor[1];
619 x2 = dpsoftrast.fb_clearscissor[2];
620 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
625 // FIXME: honor dpsoftrast.fb_colormask?
626 c = DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a);
627 for (i = 0;i < 4;i++)
629 if (!dpsoftrast.fb_colorpixels[i])
631 for (y = y1;y < y2;y++)
633 p = dpsoftrast.fb_colorpixels[i] + y * dpsoftrast.fb_width;
634 for (x = x1;x < x2;x++)
639 void DPSOFTRAST_ClearDepth(float d)
641 int x1, y1, x2, y2, w, h, x, y;
644 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
645 x1 = dpsoftrast.fb_clearscissor[0];
646 y1 = dpsoftrast.fb_clearscissor[1];
647 x2 = dpsoftrast.fb_clearscissor[2];
648 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
653 c = DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d);
654 for (y = y1;y < y2;y++)
656 p = dpsoftrast.fb_depthpixels + y * dpsoftrast.fb_width;
657 for (x = x1;x < x2;x++)
661 void DPSOFTRAST_ColorMask(int r, int g, int b, int a)
663 dpsoftrast.user.colormask[0] = r != 0;
664 dpsoftrast.user.colormask[1] = g != 0;
665 dpsoftrast.user.colormask[2] = b != 0;
666 dpsoftrast.user.colormask[3] = a != 0;
667 dpsoftrast.fb_colormask = ((-dpsoftrast.user.colormask[0]) & 0x00FF0000) | ((-dpsoftrast.user.colormask[1]) & 0x0000FF00) | ((-dpsoftrast.user.colormask[2]) & 0x000000FF) | ((-dpsoftrast.user.colormask[3]) & 0xFF000000);
669 void DPSOFTRAST_DepthTest(int enable)
671 dpsoftrast.user.depthtest = enable;
672 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_DEPTHFUNC;
674 void DPSOFTRAST_ScissorTest(int enable)
676 dpsoftrast.user.scissortest = enable;
677 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
679 void DPSOFTRAST_Scissor(float x, float y, float width, float height)
681 dpsoftrast.user.scissor[0] = x;
682 dpsoftrast.user.scissor[1] = y;
683 dpsoftrast.user.scissor[2] = width;
684 dpsoftrast.user.scissor[3] = height;
685 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
688 void DPSOFTRAST_BlendFunc(int smodulate, int dmodulate)
691 dpsoftrast.user.blendfunc[0] = smodulate;
692 dpsoftrast.user.blendfunc[1] = dmodulate;
693 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
695 void DPSOFTRAST_BlendSubtract(int enable)
697 dpsoftrast.user.blendsubtract = enable != 0;
698 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
700 void DPSOFTRAST_DepthMask(int enable)
702 dpsoftrast.user.depthmask = enable;
704 void DPSOFTRAST_DepthFunc(int comparemode)
707 dpsoftrast.user.depthfunc = comparemode;
709 void DPSOFTRAST_DepthRange(float range0, float range1)
711 dpsoftrast.user.depthrange[0] = range0;
712 dpsoftrast.user.depthrange[1] = range1;
714 void DPSOFTRAST_PolygonOffset(float alongnormal, float intoview)
716 dpsoftrast.user.polygonoffset[0] = alongnormal;
717 dpsoftrast.user.polygonoffset[1] = intoview;
719 void DPSOFTRAST_CullFace(int mode)
722 dpsoftrast.user.cullface = mode;
724 void DPSOFTRAST_AlphaTest(float enable)
726 dpsoftrast.user.alphatest = enable;
728 void DPSOFTRAST_AlphaFunc(int alphafunc, float alphavalue)
731 dpsoftrast.user.alphafunc = alphafunc;
732 dpsoftrast.user.alphavalue = alphavalue;
734 void DPSOFTRAST_Color4f(float r, float g, float b, float a)
736 dpsoftrast.user.color[0] = r;
737 dpsoftrast.user.color[1] = g;
738 dpsoftrast.user.color[2] = b;
739 dpsoftrast.user.color[3] = a;
741 void DPSOFTRAST_GetPixelsBGRA(int blockx, int blocky, int blockwidth, int blockheight, unsigned char *outpixels)
743 int outstride = blockwidth * 4;
744 int instride = dpsoftrast.fb_width * 4;
747 int bx2 = blockx + blockwidth;
748 int by2 = blocky + blockheight;
753 unsigned char *inpixels;
756 if (bx1 < 0) bx1 = 0;
757 if (by1 < 0) by1 = 0;
758 if (bx2 > dpsoftrast.fb_width) bx2 = dpsoftrast.fb_width;
759 if (by2 > dpsoftrast.fb_height) by2 = dpsoftrast.fb_height;
762 inpixels = (unsigned char *)dpsoftrast.fb_colorpixels[0];
763 if (dpsoftrast.bigendian)
765 for (y = by1;y < by2;y++)
767 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
768 o = (unsigned char *)outpixels + (y - by1) * outstride;
769 for (x = bx1;x < bx2;x++)
782 for (y = by1;y < by2;y++)
784 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
785 o = (unsigned char *)outpixels + (y - by1) * outstride;
791 void DPSOFTRAST_CopyRectangleToTexture(int index, int mip, int tx, int ty, int sx, int sy, int width, int height)
795 int tx2 = tx + width;
796 int ty2 = ty + height;
799 int sx2 = sx + width;
800 int sy2 = sy + height;
810 unsigned int *spixels;
811 unsigned int *tpixels;
812 DPSOFTRAST_Texture *texture;
813 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
814 if (mip < 0 || mip >= texture->mipmaps) return;
815 spixels = dpsoftrast.fb_colorpixels[0];
816 swidth = dpsoftrast.fb_width;
817 sheight = dpsoftrast.fb_height;
818 tpixels = (unsigned int *)(texture->bytes + texture->mipmap[mip][0]);
819 twidth = texture->mipmap[mip][2];
820 theight = texture->mipmap[mip][3];
821 if (tx1 < 0) tx1 = 0;
822 if (ty1 < 0) ty1 = 0;
823 if (tx2 > twidth) tx2 = twidth;
824 if (ty2 > theight) ty2 = theight;
825 if (sx1 < 0) sx1 = 0;
826 if (sy1 < 0) sy1 = 0;
827 if (sx2 > swidth) sx2 = swidth;
828 if (sy2 > sheight) sy2 = sheight;
833 if (tw > sw) tw = sw;
834 if (th > sh) th = sh;
835 if (tw < 1 || th < 1)
837 for (y = 0;y < th;y++)
838 memcpy(tpixels + ((ty1 + y) * twidth + tx1), spixels + ((sy1 + y) * swidth + sx1), tw*4);
839 if (texture->mipmaps > 1)
840 DPSOFTRAST_Texture_CalculateMipmaps(index);
842 void DPSOFTRAST_SetTexture(int unitnum, int index)
844 DPSOFTRAST_Texture *texture;
845 if (unitnum < 0 || unitnum >= DPSOFTRAST_MAXTEXTUREUNITS)
847 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid unit number";
850 texture = DPSOFTRAST_Texture_GetByIndex(index);
851 if (index && !texture)
853 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid texture handle";
856 dpsoftrast.texbound[unitnum] = texture;
859 void DPSOFTRAST_SetVertexPointer(const float *vertex3f, size_t stride)
861 dpsoftrast.pointer_vertex3f = vertex3f;
862 dpsoftrast.stride_vertex = stride;
864 void DPSOFTRAST_SetColorPointer(const float *color4f, size_t stride)
866 dpsoftrast.pointer_color4f = color4f;
867 dpsoftrast.pointer_color4ub = NULL;
868 dpsoftrast.stride_color = stride;
870 void DPSOFTRAST_SetColorPointer4ub(const unsigned char *color4ub, size_t stride)
872 dpsoftrast.pointer_color4f = NULL;
873 dpsoftrast.pointer_color4ub = color4ub;
874 dpsoftrast.stride_color = stride;
876 void DPSOFTRAST_SetTexCoordPointer(int unitnum, int numcomponents, size_t stride, const float *texcoordf)
878 dpsoftrast.pointer_texcoordf[unitnum] = texcoordf;
879 dpsoftrast.components_texcoord[unitnum] = numcomponents;
880 dpsoftrast.stride_texcoord[unitnum] = stride;
883 void DPSOFTRAST_SetShader(unsigned int mode, unsigned int permutation)
885 dpsoftrast.shader_mode = mode;
886 dpsoftrast.shader_permutation = permutation;
888 void DPSOFTRAST_Uniform4fARB(DPSOFTRAST_UNIFORM index, float v0, float v1, float v2, float v3)
890 dpsoftrast.uniform4f[index*4+0] = v0;
891 dpsoftrast.uniform4f[index*4+1] = v1;
892 dpsoftrast.uniform4f[index*4+2] = v2;
893 dpsoftrast.uniform4f[index*4+3] = v3;
895 void DPSOFTRAST_Uniform4fvARB(DPSOFTRAST_UNIFORM index, const float *v)
897 dpsoftrast.uniform4f[index*4+0] = v[0];
898 dpsoftrast.uniform4f[index*4+1] = v[1];
899 dpsoftrast.uniform4f[index*4+2] = v[2];
900 dpsoftrast.uniform4f[index*4+3] = v[3];
902 void DPSOFTRAST_UniformMatrix4fvARB(DPSOFTRAST_UNIFORM index, int arraysize, int transpose, const float *v)
905 for (i = 0;i < arraysize;i++, index += 4, v += 16)
909 dpsoftrast.uniform4f[index*4+0] = v[0];
910 dpsoftrast.uniform4f[index*4+1] = v[4];
911 dpsoftrast.uniform4f[index*4+2] = v[8];
912 dpsoftrast.uniform4f[index*4+3] = v[12];
913 dpsoftrast.uniform4f[index*4+4] = v[1];
914 dpsoftrast.uniform4f[index*4+5] = v[5];
915 dpsoftrast.uniform4f[index*4+6] = v[9];
916 dpsoftrast.uniform4f[index*4+7] = v[13];
917 dpsoftrast.uniform4f[index*4+8] = v[2];
918 dpsoftrast.uniform4f[index*4+9] = v[6];
919 dpsoftrast.uniform4f[index*4+10] = v[10];
920 dpsoftrast.uniform4f[index*4+11] = v[14];
921 dpsoftrast.uniform4f[index*4+12] = v[3];
922 dpsoftrast.uniform4f[index*4+13] = v[7];
923 dpsoftrast.uniform4f[index*4+14] = v[11];
924 dpsoftrast.uniform4f[index*4+15] = v[15];
928 dpsoftrast.uniform4f[index*4+0] = v[0];
929 dpsoftrast.uniform4f[index*4+1] = v[1];
930 dpsoftrast.uniform4f[index*4+2] = v[2];
931 dpsoftrast.uniform4f[index*4+3] = v[3];
932 dpsoftrast.uniform4f[index*4+4] = v[4];
933 dpsoftrast.uniform4f[index*4+5] = v[5];
934 dpsoftrast.uniform4f[index*4+6] = v[6];
935 dpsoftrast.uniform4f[index*4+7] = v[7];
936 dpsoftrast.uniform4f[index*4+8] = v[8];
937 dpsoftrast.uniform4f[index*4+9] = v[9];
938 dpsoftrast.uniform4f[index*4+10] = v[10];
939 dpsoftrast.uniform4f[index*4+11] = v[11];
940 dpsoftrast.uniform4f[index*4+12] = v[12];
941 dpsoftrast.uniform4f[index*4+13] = v[13];
942 dpsoftrast.uniform4f[index*4+14] = v[14];
943 dpsoftrast.uniform4f[index*4+15] = v[15];
947 void DPSOFTRAST_Uniform1iARB(DPSOFTRAST_UNIFORM index, int i0)
949 dpsoftrast.uniform1i[index] = i0;
952 void DPSOFTRAST_Draw_LoadVertices(int firstvertex, int numvertices, bool needcolors)
960 const unsigned char *b;
961 dpsoftrast.draw.numvertices = numvertices;
962 if (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
964 if (dpsoftrast.draw.maxvertices < 4096)
965 dpsoftrast.draw.maxvertices = 4096;
966 while (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
967 dpsoftrast.draw.maxvertices *= 2;
968 if (dpsoftrast.draw.in_array4f[0])
969 MM_FREE(dpsoftrast.draw.in_array4f[0]);
970 data = (float *)MM_CALLOC(1, dpsoftrast.draw.maxvertices * sizeof(float[4])*(DPSOFTRAST_ARRAY_TOTAL*2 + 1));
971 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
972 dpsoftrast.draw.in_array4f[i] = data;
973 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
974 dpsoftrast.draw.post_array4f[i] = data;
975 dpsoftrast.draw.screencoord4f = data;
976 data += dpsoftrast.draw.maxvertices * 4;
978 stride = dpsoftrast.stride_vertex;
979 v = (const float *)((unsigned char *)dpsoftrast.pointer_vertex3f + firstvertex * stride);
980 p = dpsoftrast.draw.in_array4f[0];
981 for (i = 0;i < numvertices;i++)
988 v = (const float *)((const unsigned char *)v + stride);
992 if (dpsoftrast.pointer_color4f)
994 stride = dpsoftrast.stride_color;
995 v = (const float *)((const unsigned char *)dpsoftrast.pointer_color4f + firstvertex * stride);
996 p = dpsoftrast.draw.in_array4f[1];
997 for (i = 0;i < numvertices;i++)
1004 v = (const float *)((const unsigned char *)v + stride);
1007 else if (dpsoftrast.pointer_color4ub)
1009 stride = dpsoftrast.stride_color;
1010 b = (const unsigned char *)((const unsigned char *)dpsoftrast.pointer_color4ub + firstvertex * stride);
1011 p = dpsoftrast.draw.in_array4f[1];
1012 for (i = 0;i < numvertices;i++)
1014 p[0] = b[0] * (1.0f / 255.0f);
1015 p[1] = b[1] * (1.0f / 255.0f);
1016 p[2] = b[2] * (1.0f / 255.0f);
1017 p[3] = b[3] * (1.0f / 255.0f);
1019 b = (const unsigned char *)((const unsigned char *)b + stride);
1024 v = dpsoftrast.user.color;
1025 p = dpsoftrast.draw.in_array4f[1];
1026 for (i = 0;i < numvertices;i++)
1036 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL-2;j++)
1038 if (dpsoftrast.pointer_texcoordf[j])
1040 stride = dpsoftrast.stride_texcoord[j];
1041 v = (const float *)((const unsigned char *)dpsoftrast.pointer_texcoordf[j] + firstvertex * stride);
1042 p = dpsoftrast.draw.in_array4f[j+2];
1043 switch(dpsoftrast.components_texcoord[j])
1046 for (i = 0;i < numvertices;i++)
1053 v = (const float *)((const unsigned char *)v + stride);
1057 for (i = 0;i < numvertices;i++)
1064 v = (const float *)((const unsigned char *)v + stride);
1068 for (i = 0;i < numvertices;i++)
1075 v = (const float *)((const unsigned char *)v + stride);
1083 void DPSOFTRAST_Array_Transform(float *out4f, const float *in4f, int numitems, const float *inmatrix16f)
1085 static const float identitymatrix[4][4] = {{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}};
1089 memcpy(matrix, inmatrix16f, sizeof(float[16]));
1090 if (!memcmp(identitymatrix, matrix, sizeof(float[16])))
1092 // fast case for identity matrix
1093 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1096 for (i = 0;i < numitems;i++, out4f += 4, in4f += 4)
1098 out4f[0] = in4f[0] * matrix[0][0] + in4f[1] * matrix[1][0] + in4f[2] * matrix[2][0] + in4f[3] * matrix[3][0];
1099 out4f[1] = in4f[0] * matrix[0][1] + in4f[1] * matrix[1][1] + in4f[2] * matrix[2][1] + in4f[3] * matrix[3][1];
1100 out4f[2] = in4f[0] * matrix[0][2] + in4f[1] * matrix[1][2] + in4f[2] * matrix[2][2] + in4f[3] * matrix[3][2];
1101 out4f[3] = in4f[0] * matrix[0][3] + in4f[1] * matrix[1][3] + in4f[2] * matrix[2][3] + in4f[3] * matrix[3][3];
1105 void DPSOFTRAST_Array_Copy(float *out4f, const float *in4f, int numitems)
1107 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1110 void DPSOFTRAST_Draw_ProjectVertices(float *out4f, const float *in4f, int numitems)
1112 // NOTE: this is used both as a whole mesh transform function and a
1113 // per-triangle transform function (for clipped triangles), accordingly
1114 // it should not crash on divide by 0 but the result of divide by 0 is
1119 float viewportcenter[4];
1120 float viewportscale[4];
1121 viewportscale[0] = dpsoftrast.fb_viewportscale[0];
1122 viewportscale[1] = dpsoftrast.fb_viewportscale[1];
1123 viewportscale[2] = 0.5f;
1124 viewportscale[3] = 0.0f;
1125 viewportcenter[0] = dpsoftrast.fb_viewportcenter[0];
1126 viewportcenter[1] = dpsoftrast.fb_viewportcenter[1];
1127 viewportcenter[2] = 0.5f;
1128 viewportcenter[3] = 0.0f;
1129 for (i = 0;i < numitems;i++)
1140 out4f[0] = viewportcenter[0] + viewportscale[0] * in4f[0] * w;
1141 out4f[1] = viewportcenter[1] + viewportscale[1] * in4f[1] * w;
1142 out4f[2] = viewportcenter[2] + viewportscale[2] * in4f[2] * w;
1143 out4f[3] = viewportcenter[3] + viewportscale[3] * in4f[3] * w;
1150 void DPSOFTRAST_Draw_DebugEdgePoints(const float *screen0, const float *screen1)
1155 int w = dpsoftrast.fb_width;
1158 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
1160 bounds[0] = dpsoftrast.fb_viewportscissor[0];
1161 bounds[1] = dpsoftrast.fb_viewportscissor[1];
1162 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
1163 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
1168 for (i = 0;i <= 128;i++)
1171 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
1173 x = (int)(v0[0] + (v1[0] - v0[0]) * (i/128.0f));
1174 y = (int)(v0[1] + (v1[1] - v0[1]) * (i/128.0f));
1175 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
1177 //c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + element0*4;
1178 //pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
1179 pixels[y*w+x] = 0xFFFFFFFF;
1183 void DPSOFTRAST_Draw_Span_Begin(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *zf)
1186 int startx = span->startx;
1187 int endx = span->endx;
1188 float w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
1189 float wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
1190 for (x = startx;x < endx;)
1192 int endsub = x + DPSOFTRAST_MAXSUBSPAN-1;
1193 float z = 1.0f / (w + wslope * x), dz;
1197 dz = endsub > x ? (1.0f / (w + wslope * endsub) - z) / (endsub - x) : 0.0f;
1201 dz = (1.0f / (w + wslope * endsub) - z) * (1.0f / (DPSOFTRAST_MAXSUBSPAN-1));
1203 for (; x <= endsub; x++, z += dz)
1208 void DPSOFTRAST_Draw_Span_Finish(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const float * RESTRICT in4f)
1211 int startx = span->startx;
1212 int endx = span->endx;
1215 unsigned char * RESTRICT pixelmask = span->pixelmask;
1216 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1219 pixel += span->start * 4;
1220 // handle alphatest now (this affects depth writes too)
1221 if (dpsoftrast.user.alphatest)
1222 for (x = startx;x < endx;x++)
1223 if (in4f[x*4+3] < 0.5f)
1224 pixelmask[x] = false;
1225 // FIXME: this does not handle bigendian
1226 switch(dpsoftrast.fb_blendmode)
1228 case DPSOFTRAST_BLENDMODE_OPAQUE:
1229 for (x = startx;x < endx;x++)
1233 d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255;
1234 d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255;
1235 d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255;
1236 d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255;
1237 pixel[x*4+0] = d[0];
1238 pixel[x*4+1] = d[1];
1239 pixel[x*4+2] = d[2];
1240 pixel[x*4+3] = d[3];
1243 case DPSOFTRAST_BLENDMODE_ALPHA:
1244 for (x = startx;x < endx;x++)
1248 a = in4f[x*4+3] * 255.0f;
1249 b = 1.0f - in4f[x*4+3];
1250 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1251 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1252 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1253 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1254 pixel[x*4+0] = d[0];
1255 pixel[x*4+1] = d[1];
1256 pixel[x*4+2] = d[2];
1257 pixel[x*4+3] = d[3];
1260 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1261 for (x = startx;x < endx;x++)
1265 a = in4f[x*4+3] * 255.0f;
1266 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1267 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1268 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1269 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1270 pixel[x*4+0] = d[0];
1271 pixel[x*4+1] = d[1];
1272 pixel[x*4+2] = d[2];
1273 pixel[x*4+3] = d[3];
1276 case DPSOFTRAST_BLENDMODE_ADD:
1277 for (x = startx;x < endx;x++)
1281 d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1282 d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1283 d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1284 d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1285 pixel[x*4+0] = d[0];
1286 pixel[x*4+1] = d[1];
1287 pixel[x*4+2] = d[2];
1288 pixel[x*4+3] = d[3];
1291 case DPSOFTRAST_BLENDMODE_INVMOD:
1292 for (x = startx;x < endx;x++)
1296 d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1297 d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1298 d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1299 d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1300 pixel[x*4+0] = d[0];
1301 pixel[x*4+1] = d[1];
1302 pixel[x*4+2] = d[2];
1303 pixel[x*4+3] = d[3];
1306 case DPSOFTRAST_BLENDMODE_MUL:
1307 for (x = startx;x < endx;x++)
1311 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1312 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1313 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1314 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1315 pixel[x*4+0] = d[0];
1316 pixel[x*4+1] = d[1];
1317 pixel[x*4+2] = d[2];
1318 pixel[x*4+3] = d[3];
1321 case DPSOFTRAST_BLENDMODE_MUL2:
1322 for (x = startx;x < endx;x++)
1326 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255;
1327 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255;
1328 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255;
1329 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255;
1330 pixel[x*4+0] = d[0];
1331 pixel[x*4+1] = d[1];
1332 pixel[x*4+2] = d[2];
1333 pixel[x*4+3] = d[3];
1336 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1337 for (x = startx;x < endx;x++)
1341 a = in4f[x*4+3] * -255.0f;
1342 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;
1343 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;
1344 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;
1345 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;
1346 pixel[x*4+0] = d[0];
1347 pixel[x*4+1] = d[1];
1348 pixel[x*4+2] = d[2];
1349 pixel[x*4+3] = d[3];
1352 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1353 for (x = startx;x < endx;x++)
1358 b = 1.0f - in4f[x*4+3];
1359 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1360 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1361 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1362 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1363 pixel[x*4+0] = d[0];
1364 pixel[x*4+1] = d[1];
1365 pixel[x*4+2] = d[2];
1366 pixel[x*4+3] = d[3];
1372 void DPSOFTRAST_Draw_Span_FinishBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
1375 int startx = span->startx;
1376 int endx = span->endx;
1378 const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
1380 unsigned char * RESTRICT pixelmask = span->pixelmask;
1381 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1382 unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
1385 pixel += span->start * 4;
1386 pixeli += span->start;
1387 // handle alphatest now (this affects depth writes too)
1388 if (dpsoftrast.user.alphatest)
1389 for (x = startx;x < endx;x++)
1390 if (in4ub[x*4+3] < 0.5f)
1391 pixelmask[x] = false;
1392 // FIXME: this does not handle bigendian
1393 switch(dpsoftrast.fb_blendmode)
1395 case DPSOFTRAST_BLENDMODE_OPAQUE:
1396 for (x = startx;x < endx;x++)
1400 case DPSOFTRAST_BLENDMODE_ALPHA:
1401 for (x = startx;x < endx;x++)
1406 b = 256 - in4ub[x*4+3];
1407 pixel[x*4+0] = (in4ub[x*4+0]*a+pixel[x*4+0]*b) >> 8;
1408 pixel[x*4+1] = (in4ub[x*4+1]*a+pixel[x*4+1]*b) >> 8;
1409 pixel[x*4+2] = (in4ub[x*4+2]*a+pixel[x*4+2]*b) >> 8;
1410 pixel[x*4+3] = (in4ub[x*4+3]*a+pixel[x*4+3]*b) >> 8;
1413 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1414 for (x = startx;x < endx;x++)
1419 d[0] = (((in4ub[x*4+0]*a)>>8)+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1420 d[1] = (((in4ub[x*4+1]*a)>>8)+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1421 d[2] = (((in4ub[x*4+2]*a)>>8)+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1422 d[3] = (((in4ub[x*4+3]*a)>>8)+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1423 pixel[x*4+0] = d[0];
1424 pixel[x*4+1] = d[1];
1425 pixel[x*4+2] = d[2];
1426 pixel[x*4+3] = d[3];
1429 case DPSOFTRAST_BLENDMODE_ADD:
1430 for (x = startx;x < endx;x++)
1434 d[0] = (in4ub[x*4+0]+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1435 d[1] = (in4ub[x*4+1]+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1436 d[2] = (in4ub[x*4+2]+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1437 d[3] = (in4ub[x*4+3]+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1438 pixel[x*4+0] = d[0];
1439 pixel[x*4+1] = d[1];
1440 pixel[x*4+2] = d[2];
1441 pixel[x*4+3] = d[3];
1444 case DPSOFTRAST_BLENDMODE_INVMOD:
1445 for (x = startx;x < endx;x++)
1449 pixel[x*4+0] = ((255-in4ub[x*4+0])*pixel[x*4+0])>>8;
1450 pixel[x*4+1] = ((255-in4ub[x*4+1])*pixel[x*4+1])>>8;
1451 pixel[x*4+2] = ((255-in4ub[x*4+2])*pixel[x*4+2])>>8;
1452 pixel[x*4+3] = ((255-in4ub[x*4+3])*pixel[x*4+3])>>8;
1455 case DPSOFTRAST_BLENDMODE_MUL:
1456 for (x = startx;x < endx;x++)
1460 pixel[x*4+0] = (in4ub[x*4+0]*pixel[x*4+0])>>8;
1461 pixel[x*4+1] = (in4ub[x*4+1]*pixel[x*4+1])>>8;
1462 pixel[x*4+2] = (in4ub[x*4+2]*pixel[x*4+2])>>8;
1463 pixel[x*4+3] = (in4ub[x*4+3]*pixel[x*4+3])>>8;
1466 case DPSOFTRAST_BLENDMODE_MUL2:
1467 for (x = startx;x < endx;x++)
1471 d[0] = (in4ub[x*4+0]*pixel[x*4+0])>>7;if (d[0] > 255) d[0] = 255;
1472 d[1] = (in4ub[x*4+1]*pixel[x*4+1])>>7;if (d[1] > 255) d[1] = 255;
1473 d[2] = (in4ub[x*4+2]*pixel[x*4+2])>>7;if (d[2] > 255) d[2] = 255;
1474 d[3] = (in4ub[x*4+3]*pixel[x*4+3])>>7;if (d[3] > 255) d[3] = 255;
1475 pixel[x*4+0] = d[0];
1476 pixel[x*4+1] = d[1];
1477 pixel[x*4+2] = d[2];
1478 pixel[x*4+3] = d[3];
1481 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1482 for (x = startx;x < endx;x++)
1487 d[0] = pixel[x*4+0]-((in4ub[x*4+0]*a)>>8);if (d[0] < 0) d[0] = 0;
1488 d[1] = pixel[x*4+1]-((in4ub[x*4+1]*a)>>8);if (d[1] < 0) d[1] = 0;
1489 d[2] = pixel[x*4+2]-((in4ub[x*4+2]*a)>>8);if (d[2] < 0) d[2] = 0;
1490 d[3] = pixel[x*4+3]-((in4ub[x*4+3]*a)>>8);if (d[3] < 0) d[3] = 0;
1491 pixel[x*4+0] = d[0];
1492 pixel[x*4+1] = d[1];
1493 pixel[x*4+2] = d[2];
1494 pixel[x*4+3] = d[3];
1497 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1498 for (x = startx;x < endx;x++)
1502 b = 255 - in4ub[x*4+3];
1503 d[0] = in4ub[x*4+0]+((pixel[x*4+0]*b)>>8);if (d[0] > 255) d[0] = 255;
1504 d[1] = in4ub[x*4+1]+((pixel[x*4+1]*b)>>8);if (d[1] > 255) d[1] = 255;
1505 d[2] = in4ub[x*4+2]+((pixel[x*4+2]*b)>>8);if (d[2] > 255) d[2] = 255;
1506 d[3] = in4ub[x*4+3]+((pixel[x*4+3]*b)>>8);if (d[3] > 255) d[3] = 255;
1507 pixel[x*4+0] = d[0];
1508 pixel[x*4+1] = d[1];
1509 pixel[x*4+2] = d[2];
1510 pixel[x*4+3] = d[3];
1516 void DPSOFTRAST_Draw_Span_Texture2DVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float * RESTRICT out4f, int texunitindex, int arrayindex, const float * RESTRICT zf)
1519 int startx = span->startx;
1520 int endx = span->endx;
1527 unsigned int tci[2];
1528 unsigned int tci1[2];
1529 unsigned int tcimin[2];
1530 unsigned int tcimax[2];
1535 const unsigned char * RESTRICT pixelbase;
1536 const unsigned char * RESTRICT pixel[4];
1537 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1538 // if no texture is bound, just fill it with white
1541 for (x = startx;x < endx;x++)
1543 out4f[x*4+0] = 1.0f;
1544 out4f[x*4+1] = 1.0f;
1545 out4f[x*4+2] = 1.0f;
1546 out4f[x*4+3] = 1.0f;
1550 mip = span->mip[texunitindex];
1551 // if this mipmap of the texture is 1 pixel, just fill it with that color
1552 if (texture->mipmap[mip][1] == 4)
1554 c[0] = texture->bytes[2] * (1.0f/255.0f);
1555 c[1] = texture->bytes[1] * (1.0f/255.0f);
1556 c[2] = texture->bytes[0] * (1.0f/255.0f);
1557 c[3] = texture->bytes[3] * (1.0f/255.0f);
1558 for (x = startx;x < endx;x++)
1560 out4f[x*4+0] = c[0];
1561 out4f[x*4+1] = c[1];
1562 out4f[x*4+2] = c[2];
1563 out4f[x*4+3] = c[3];
1567 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1568 data[0] = span->data[0][arrayindex][0];
1569 data[1] = span->data[0][arrayindex][1];
1570 data[2] = span->data[0][arrayindex][2];
1571 data[3] = span->data[0][arrayindex][3];
1572 slope[0] = span->data[1][arrayindex][0];
1573 slope[1] = span->data[1][arrayindex][1];
1574 slope[2] = span->data[1][arrayindex][2];
1575 slope[3] = span->data[1][arrayindex][3];
1576 flags = texture->flags;
1577 pixelbase = (unsigned char *)texture->bytes + texture->mipmap[mip][0];
1578 tcscale[0] = texture->mipmap[mip][2];
1579 tcscale[1] = texture->mipmap[mip][3];
1580 tciwidth = texture->mipmap[mip][2];
1583 tcimax[0] = texture->mipmap[mip][2]-1;
1584 tcimax[1] = texture->mipmap[mip][3]-1;
1585 tciwrapmask[0] = texture->mipmap[mip][2]-1;
1586 tciwrapmask[1] = texture->mipmap[mip][3]-1;
1587 for (x = startx;x < endx;)
1590 unsigned int subtc[2];
1591 unsigned int substep[2];
1592 int endsub = x + DPSOFTRAST_MAXSUBSPAN-1;
1593 float subscale = 65536.0f/(DPSOFTRAST_MAXSUBSPAN-1);
1597 subscale = endsub > x ? 65536.0f / (endsub - x) : 1.0f;
1599 tc[0] = (data[0] + slope[0]*x) * zf[x] * tcscale[0] - 0.5f;
1600 tc[1] = (data[1] + slope[1]*x) * zf[x] * tcscale[1] - 0.5f;
1601 endtc[0] = (data[0] + slope[0]*endsub) * zf[endsub] * tcscale[0] - 0.5f;
1602 endtc[1] = (data[1] + slope[1]*endsub) * zf[endsub] * tcscale[1] - 0.5f;
1603 substep[0] = (endtc[0] - tc[0]) * subscale;
1604 substep[1] = (endtc[1] - tc[1]) * subscale;
1605 subtc[0] = tc[0] * (1<<16);
1606 subtc[1] = tc[1] * (1<<16);
1607 if (!(flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE))
1609 subtc[0] &= (tciwrapmask[0]<<16)|0xFFFF;
1610 subtc[1] &= (tciwrapmask[1]<<16)|0xFFFF;
1614 tci[0] = (subtc[0]>>16) - tcimin[0];
1615 tci[1] = (subtc[1]>>16) - tcimin[1];
1616 tci1[0] = ((subtc[0] + (endsub - x)*substep[0])>>16);
1617 tci1[1] = ((subtc[1] + (endsub - x)*substep[1])>>16);
1618 if (tci[0] <= tcimax[0]-1 && tci[1] <= tcimax[1]-1 && tci1[0] <= tcimax[0]-1 && tci1[1] <= tcimax[1]-1)
1620 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1622 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1623 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1624 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1625 tci[0] = subtc[0]>>16;
1626 tci[1] = subtc[1]>>16;
1627 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1628 pixel[1] = pixel[0] + 4 * tciwidth;
1629 c[0] = (pixel[0][2]*lerp[0]+pixel[0][4+2]*lerp[1]+pixel[1][2]*lerp[2]+pixel[1][4+2]*lerp[3]) * (1.0f / 0xFF000000);
1630 c[1] = (pixel[0][1]*lerp[0]+pixel[0][4+1]*lerp[1]+pixel[1][1]*lerp[2]+pixel[1][4+1]*lerp[3]) * (1.0f / 0xFF000000);
1631 c[2] = (pixel[0][0]*lerp[0]+pixel[0][4+0]*lerp[1]+pixel[1][0]*lerp[2]+pixel[1][4+0]*lerp[3]) * (1.0f / 0xFF000000);
1632 c[3] = (pixel[0][3]*lerp[0]+pixel[0][4+3]*lerp[1]+pixel[1][3]*lerp[2]+pixel[1][4+3]*lerp[3]) * (1.0f / 0xFF000000);
1633 out4f[x*4+0] = c[0];
1634 out4f[x*4+1] = c[1];
1635 out4f[x*4+2] = c[2];
1636 out4f[x*4+3] = c[3];
1639 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1641 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1643 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1644 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1645 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1646 tci[0] = subtc[0]>>16;
1647 tci[1] = subtc[1]>>16;
1648 tci1[0] = tci[0] + 1;
1649 tci1[1] = tci[1] + 1;
1650 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1651 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1652 tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
1653 tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
1654 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1655 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1656 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1657 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1658 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);
1659 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);
1660 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);
1661 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);
1662 out4f[x*4+0] = c[0];
1663 out4f[x*4+1] = c[1];
1664 out4f[x*4+2] = c[2];
1665 out4f[x*4+3] = c[3];
1670 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1672 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1673 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1674 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1675 tci[0] = subtc[0]>>16;
1676 tci[1] = subtc[1]>>16;
1677 tci1[0] = tci[0] + 1;
1678 tci1[1] = tci[1] + 1;
1679 tci[0] &= tciwrapmask[0];
1680 tci[1] &= tciwrapmask[1];
1681 tci1[0] &= tciwrapmask[0];
1682 tci1[1] &= tciwrapmask[1];
1683 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1684 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1685 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1686 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1687 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);
1688 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);
1689 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);
1690 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);
1691 out4f[x*4+0] = c[0];
1692 out4f[x*4+1] = c[1];
1693 out4f[x*4+2] = c[2];
1694 out4f[x*4+3] = c[3];
1698 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1700 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1702 tci[0] = subtc[0]>>16;
1703 tci[1] = subtc[1]>>16;
1704 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1705 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1706 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1707 c[0] = pixel[0][2] * (1.0f / 255.0f);
1708 c[1] = pixel[0][1] * (1.0f / 255.0f);
1709 c[2] = pixel[0][0] * (1.0f / 255.0f);
1710 c[3] = pixel[0][3] * (1.0f / 255.0f);
1711 out4f[x*4+0] = c[0];
1712 out4f[x*4+1] = c[1];
1713 out4f[x*4+2] = c[2];
1714 out4f[x*4+3] = c[3];
1719 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1721 tci[0] = subtc[0]>>16;
1722 tci[1] = subtc[1]>>16;
1723 tci[0] &= tciwrapmask[0];
1724 tci[1] &= tciwrapmask[1];
1725 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1726 c[0] = pixel[0][2] * (1.0f / 255.0f);
1727 c[1] = pixel[0][1] * (1.0f / 255.0f);
1728 c[2] = pixel[0][0] * (1.0f / 255.0f);
1729 c[3] = pixel[0][3] * (1.0f / 255.0f);
1730 out4f[x*4+0] = c[0];
1731 out4f[x*4+1] = c[1];
1732 out4f[x*4+2] = c[2];
1733 out4f[x*4+3] = c[3];
1739 void DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1743 int startx = span->startx;
1744 int endx = span->endx;
1750 unsigned int tci[2];
1751 unsigned int tci1[2];
1752 unsigned int tcimin[2];
1753 unsigned int tcimax[2];
1759 unsigned int *outi = (unsigned int *)out4ub;
1760 const unsigned char * RESTRICT pixelbase;
1761 const unsigned int * RESTRICT pixelbasei;
1762 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1763 // if no texture is bound, just fill it with white
1766 memset(out4ub + startx*4, 255, span->length*4);
1769 mip = span->mip[texunitindex];
1770 // if this mipmap of the texture is 1 pixel, just fill it with that color
1771 if (texture->mipmap[mip][1] == 4)
1773 k = *((const unsigned int *)texture->bytes);
1774 for (x = startx;x < endx;x++)
1778 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1779 data[0] = span->data[0][arrayindex][0];
1780 data[1] = span->data[0][arrayindex][1];
1781 data[2] = span->data[0][arrayindex][2];
1782 data[3] = span->data[0][arrayindex][3];
1783 slope[0] = span->data[1][arrayindex][0];
1784 slope[1] = span->data[1][arrayindex][1];
1785 slope[2] = span->data[1][arrayindex][2];
1786 slope[3] = span->data[1][arrayindex][3];
1787 flags = texture->flags;
1788 pixelbase = (const unsigned char *)texture->bytes + texture->mipmap[mip][0];
1789 pixelbasei = (const unsigned int *)pixelbase;
1790 tcscale[0] = texture->mipmap[mip][2];
1791 tcscale[1] = texture->mipmap[mip][3];
1792 tciwidth = texture->mipmap[mip][2];
1795 tcimax[0] = texture->mipmap[mip][2]-1;
1796 tcimax[1] = texture->mipmap[mip][3]-1;
1797 tciwrapmask[0] = texture->mipmap[mip][2]-1;
1798 tciwrapmask[1] = texture->mipmap[mip][3]-1;
1799 for (x = startx;x < endx;)
1802 unsigned int subtc[2];
1803 unsigned int substep[2];
1804 int endsub = x + DPSOFTRAST_MAXSUBSPAN-1;
1805 float subscale = 65536.0f/(DPSOFTRAST_MAXSUBSPAN-1);
1809 subscale = endsub > x ? 65536.0f / (endsub - x) : 1.0f;
1811 tc[0] = (data[0] + slope[0]*x) * zf[x] * tcscale[0] - 0.5f;
1812 tc[1] = (data[1] + slope[1]*x) * zf[x] * tcscale[1] - 0.5f;
1813 endtc[0] = (data[0] + slope[0]*endsub) * zf[endsub] * tcscale[0] - 0.5f;
1814 endtc[1] = (data[1] + slope[1]*endsub) * zf[endsub] * tcscale[1] - 0.5f;
1815 substep[0] = (endtc[0] - tc[0]) * subscale;
1816 substep[1] = (endtc[1] - tc[1]) * subscale;
1817 subtc[0] = tc[0] * (1<<16);
1818 subtc[1] = tc[1] * (1<<16);
1819 if (!(flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE))
1821 subtc[0] &= (tciwrapmask[0]<<16)|0xFFFF;
1822 subtc[1] &= (tciwrapmask[1]<<16)|0xFFFF;
1826 tci[0] = (subtc[0]>>16) - tcimin[0];
1827 tci[1] = (subtc[1]>>16) - tcimin[1];
1828 tci1[0] = ((subtc[0] + (endsub - x)*substep[0])>>16);
1829 tci1[1] = ((subtc[1] + (endsub - x)*substep[1])>>16);
1830 if (tci[0] <= tcimax[0]-1 && tci[1] <= tcimax[1]-1 && tci1[0] <= tcimax[0]-1 && tci1[1] <= tcimax[1]-1)
1832 __m128i subtcm = _mm_setr_epi32(subtc[0], subtc[1], subtc[0] + substep[0], subtc[1] + substep[1]);
1833 __m128i substepm = _mm_slli_epi32(_mm_setr_epi32(substep[0], substep[1], substep[0], substep[1]), 1);
1834 __m128i scalem = _mm_set1_epi32((tciwidth<<18)+4);
1835 for (; x + 1 <= endsub; x += 2, subtcm = _mm_add_epi32(subtcm, substepm))
1837 __m128i tcim = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtcm, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, pix3, pix4, fracm;
1838 ALIGN(int pixeloffset[4]);
1839 tcim = _mm_madd_epi16(_mm_add_epi16(tcim, _mm_setr_epi32(0, 0x10000, 0, 0x10000)), scalem);
1840 _mm_store_si128((__m128i *)pixeloffset, tcim);
1841 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[pixeloffset[0]]), _mm_setzero_si128());
1842 pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[pixeloffset[1]]), _mm_setzero_si128());
1843 pix3 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[pixeloffset[2]]), _mm_setzero_si128());
1844 pix4 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[pixeloffset[3]]), _mm_setzero_si128());
1845 fracm = _mm_srli_epi16(subtcm, 1);
1846 pix1 = _mm_add_epi16(pix1,
1847 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1848 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1849 pix3 = _mm_add_epi16(pix3,
1850 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1),
1851 _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2))));
1852 pix2 = _mm_unpacklo_epi64(pix1, pix3);
1853 pix4 = _mm_unpackhi_epi64(pix1, pix3);
1854 pix2 = _mm_add_epi16(pix2,
1855 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1),
1856 _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0))));
1857 _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2))));
1861 __m128i tcim = _mm_shufflelo_epi16(subtcm, _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1862 ALIGN(int pixeloffset[4]);
1863 tcim = _mm_madd_epi16(_mm_add_epi16(tcim, _mm_setr_epi32(0, 0x10000, 0, 0)), scalem);
1864 _mm_store_si128((__m128i *)pixeloffset, tcim);
1865 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[pixeloffset[0]]), _mm_setzero_si128());
1866 pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[pixeloffset[1]]), _mm_setzero_si128());
1867 fracm = _mm_srli_epi16(subtcm, 1);
1868 pix1 = _mm_add_epi16(pix1,
1869 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1870 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1871 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1872 pix1 = _mm_add_epi16(pix1,
1873 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1874 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1875 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1879 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1881 __m128i subtcm = _mm_setr_epi32(subtc[0], subtc[1], subtc[0], subtc[1]), substepm = _mm_setr_epi32(substep[0], substep[1], substep[0], substep[1]);
1882 __m128i minm = _mm_set1_epi32((tcimin[1]<<16)|tcimin[0]), maxm = _mm_set1_epi32((tcimax[1]<<16)|tcimax[0]), scalem = _mm_set1_epi32((tciwidth<<18)+4);
1883 for (; x <= endsub; x++, subtcm = _mm_add_epi32(subtcm, substepm))
1885 __m128i tcim = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtcm, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)), pix1, pix2, fracm;
1886 ALIGN(int pixeloffset[4]);
1887 tcim = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tcim, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), minm), maxm);
1888 tcim = _mm_madd_epi16(tcim, scalem);
1889 _mm_store_si128((__m128i *)pixeloffset, tcim);
1890 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[0]]), _mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[1]])), _mm_setzero_si128());
1891 pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[2]]), _mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[3]])), _mm_setzero_si128());
1892 fracm = _mm_srli_epi16(subtcm, 1);
1893 pix1 = _mm_add_epi16(pix1,
1894 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1895 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1896 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1897 pix1 = _mm_add_epi16(pix1,
1898 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1899 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1900 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1905 __m128i subtcm = _mm_setr_epi32(subtc[0], subtc[1], 0, 0), substepm = _mm_setr_epi32(substep[0], substep[1], 0, 0);
1906 __m128i wrapm = _mm_set1_epi32((tciwrapmask[1]<<16)|tciwrapmask[0]), scalem = _mm_set1_epi32((tciwidth<<18)+4);
1907 for (; x <= endsub; x++, subtcm = _mm_add_epi32(subtcm, substepm))
1909 __m128i tcim = _mm_shuffle_epi32(_mm_shufflelo_epi16(subtcm, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(1, 0, 1, 0)),
1911 ALIGN(int pixeloffset[4]);
1912 tcim = _mm_and_si128(_mm_add_epi16(tcim, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), wrapm);
1913 tcim = _mm_madd_epi16(tcim, scalem);
1914 _mm_store_si128((__m128i *)pixeloffset, tcim);
1915 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[0]]), _mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[1]])), _mm_setzero_si128());
1916 pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[2]]), _mm_cvtsi32_si128(*(const int *)&pixelbase[pixeloffset[3]])), _mm_setzero_si128());
1917 fracm = _mm_srli_epi16(subtcm, 1);
1918 pix1 = _mm_add_epi16(pix1,
1919 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1920 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1921 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1922 pix1 = _mm_add_epi16(pix1,
1923 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1924 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1925 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1931 tci[0] = (subtc[0]>>16) - tcimin[0];
1932 tci[1] = (subtc[1]>>16) - tcimin[1];
1933 tci1[0] = ((subtc[0] + (endsub - x)*substep[0])>>16);
1934 tci1[1] = ((subtc[1] + (endsub - x)*substep[1])>>16);
1935 if (tci[0] <= tcimax[0]-1 && tci[1] <= tcimax[1]-1 && tci1[0] <= tcimax[0]-1 && tci1[1] <= tcimax[1]-1)
1937 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1939 tci[0] = subtc[0]>>16;
1940 tci[1] = subtc[1]>>16;
1941 outi[x] = pixelbasei[(tci[1]*tciwidth+tci[0])];
1944 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1946 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1948 tci[0] = subtc[0]>>16;
1949 tci[1] = subtc[1]>>16;
1950 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1951 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1952 outi[x] = pixelbasei[(tci[1]*tciwidth+tci[0])];
1957 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1959 tci[0] = subtc[0]>>16;
1960 tci[1] = subtc[1]>>16;
1961 tci[0] &= tciwrapmask[0];
1962 tci[1] &= tciwrapmask[1];
1963 outi[x] = pixelbasei[(tci[1]*tciwidth+tci[0])];
1971 void DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1974 memset(out4ub, 255, span->length*4);
1977 float DPSOFTRAST_SampleShadowmap(const float *vector)
1983 void DPSOFTRAST_Draw_Span_MultiplyVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, int arrayindex, const float *zf)
1986 int startx = span->startx;
1987 int endx = span->endx;
1992 data[0] = span->data[0][arrayindex][0];
1993 data[1] = span->data[0][arrayindex][1];
1994 data[2] = span->data[0][arrayindex][2];
1995 data[3] = span->data[0][arrayindex][3];
1996 slope[0] = span->data[1][arrayindex][0];
1997 slope[1] = span->data[1][arrayindex][1];
1998 slope[2] = span->data[1][arrayindex][2];
1999 slope[3] = span->data[1][arrayindex][3];
2000 for (x = startx;x < endx;x++)
2003 c[0] = (data[0] + slope[0]*x) * z;
2004 c[1] = (data[1] + slope[1]*x) * z;
2005 c[2] = (data[2] + slope[2]*x) * z;
2006 c[3] = (data[3] + slope[3]*x) * z;
2007 out4f[x*4+0] = in4f[x*4+0] * c[0];
2008 out4f[x*4+1] = in4f[x*4+1] * c[1];
2009 out4f[x*4+2] = in4f[x*4+2] * c[2];
2010 out4f[x*4+3] = in4f[x*4+3] * c[3];
2014 void DPSOFTRAST_Draw_Span_Varying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, int arrayindex, const float *zf)
2017 int startx = span->startx;
2018 int endx = span->endx;
2023 data[0] = span->data[0][arrayindex][0];
2024 data[1] = span->data[0][arrayindex][1];
2025 data[2] = span->data[0][arrayindex][2];
2026 data[3] = span->data[0][arrayindex][3];
2027 slope[0] = span->data[1][arrayindex][0];
2028 slope[1] = span->data[1][arrayindex][1];
2029 slope[2] = span->data[1][arrayindex][2];
2030 slope[3] = span->data[1][arrayindex][3];
2031 for (x = startx;x < endx;x++)
2034 c[0] = (data[0] + slope[0]*x) * z;
2035 c[1] = (data[1] + slope[1]*x) * z;
2036 c[2] = (data[2] + slope[2]*x) * z;
2037 c[3] = (data[3] + slope[3]*x) * z;
2038 out4f[x*4+0] = c[0];
2039 out4f[x*4+1] = c[1];
2040 out4f[x*4+2] = c[2];
2041 out4f[x*4+3] = c[3];
2045 void DPSOFTRAST_Draw_Span_AddBloom(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f, const float *subcolor)
2047 int x, startx = span->startx, endx = span->endx;
2048 float c[4], localcolor[4];
2049 localcolor[0] = subcolor[0];
2050 localcolor[1] = subcolor[1];
2051 localcolor[2] = subcolor[2];
2052 localcolor[3] = subcolor[3];
2053 for (x = startx;x < endx;x++)
2055 c[0] = inb4f[x*4+0] - localcolor[0];if (c[0] < 0.0f) c[0] = 0.0f;
2056 c[1] = inb4f[x*4+1] - localcolor[1];if (c[1] < 0.0f) c[1] = 0.0f;
2057 c[2] = inb4f[x*4+2] - localcolor[2];if (c[2] < 0.0f) c[2] = 0.0f;
2058 c[3] = inb4f[x*4+3] - localcolor[3];if (c[3] < 0.0f) c[3] = 0.0f;
2059 out4f[x*4+0] = ina4f[x*4+0] + c[0];
2060 out4f[x*4+1] = ina4f[x*4+1] + c[1];
2061 out4f[x*4+2] = ina4f[x*4+2] + c[2];
2062 out4f[x*4+3] = ina4f[x*4+3] + c[3];
2066 void DPSOFTRAST_Draw_Span_MultiplyBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2068 int x, startx = span->startx, endx = span->endx;
2069 for (x = startx;x < endx;x++)
2071 out4f[x*4+0] = ina4f[x*4+0] * inb4f[x*4+0];
2072 out4f[x*4+1] = ina4f[x*4+1] * inb4f[x*4+1];
2073 out4f[x*4+2] = ina4f[x*4+2] * inb4f[x*4+2];
2074 out4f[x*4+3] = ina4f[x*4+3] * inb4f[x*4+3];
2078 void DPSOFTRAST_Draw_Span_AddBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2080 int x, startx = span->startx, endx = span->endx;
2081 for (x = startx;x < endx;x++)
2083 out4f[x*4+0] = ina4f[x*4+0] + inb4f[x*4+0];
2084 out4f[x*4+1] = ina4f[x*4+1] + inb4f[x*4+1];
2085 out4f[x*4+2] = ina4f[x*4+2] + inb4f[x*4+2];
2086 out4f[x*4+3] = ina4f[x*4+3] + inb4f[x*4+3];
2090 void DPSOFTRAST_Draw_Span_MixBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2092 int x, startx = span->startx, endx = span->endx;
2094 for (x = startx;x < endx;x++)
2096 a = 1.0f - inb4f[x*4+3];
2098 out4f[x*4+0] = ina4f[x*4+0] * a + inb4f[x*4+0] * b;
2099 out4f[x*4+1] = ina4f[x*4+1] * a + inb4f[x*4+1] * b;
2100 out4f[x*4+2] = ina4f[x*4+2] * a + inb4f[x*4+2] * b;
2101 out4f[x*4+3] = ina4f[x*4+3] * a + inb4f[x*4+3] * b;
2105 void DPSOFTRAST_Draw_Span_MixUniformColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, const float *color)
2107 int x, startx = span->startx, endx = span->endx;
2108 float localcolor[4], ilerp, lerp;
2109 localcolor[0] = color[0];
2110 localcolor[1] = color[1];
2111 localcolor[2] = color[2];
2112 localcolor[3] = color[3];
2113 ilerp = 1.0f - localcolor[3];
2114 lerp = localcolor[3];
2115 for (x = startx;x < endx;x++)
2117 out4f[x*4+0] = in4f[x*4+0] * ilerp + localcolor[0] * lerp;
2118 out4f[x*4+1] = in4f[x*4+1] * ilerp + localcolor[1] * lerp;
2119 out4f[x*4+2] = in4f[x*4+2] * ilerp + localcolor[2] * lerp;
2120 out4f[x*4+3] = in4f[x*4+3] * ilerp + localcolor[3] * lerp;
2126 void DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, int arrayindex, const float *zf)
2129 int startx = span->startx;
2130 int endx = span->endx;
2134 data[2] = span->data[0][arrayindex][0];
2135 data[1] = span->data[0][arrayindex][1];
2136 data[0] = span->data[0][arrayindex][2];
2137 data[3] = span->data[0][arrayindex][3];
2138 slope[2] = span->data[1][arrayindex][0];
2139 slope[1] = span->data[1][arrayindex][1];
2140 slope[0] = span->data[1][arrayindex][2];
2141 slope[3] = span->data[1][arrayindex][3];
2142 for (x = startx;x < endx;x++)
2145 out4ub[x*4+0] = (int)(in4ub[x*4+0] * (data[0] + slope[0]*x) * z);
2146 out4ub[x*4+1] = (int)(in4ub[x*4+1] * (data[1] + slope[1]*x) * z);
2147 out4ub[x*4+2] = (int)(in4ub[x*4+2] * (data[2] + slope[2]*x) * z);
2148 out4ub[x*4+3] = (int)(in4ub[x*4+3] * (data[3] + slope[3]*x) * z);
2152 void DPSOFTRAST_Draw_Span_VaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, int arrayindex, const float *zf)
2155 int startx = span->startx;
2156 int endx = span->endx;
2160 data[2] = span->data[0][arrayindex][0]*255.0f;
2161 data[1] = span->data[0][arrayindex][1]*255.0f;
2162 data[0] = span->data[0][arrayindex][2]*255.0f;
2163 data[3] = span->data[0][arrayindex][3]*255.0f;
2164 slope[2] = span->data[1][arrayindex][0]*255.0f;
2165 slope[1] = span->data[1][arrayindex][1]*255.0f;
2166 slope[0] = span->data[1][arrayindex][2]*255.0f;
2167 slope[3] = span->data[1][arrayindex][3]*255.0f;
2168 for (x = startx;x < endx;x++)
2171 out4ub[x*4+0] = (int)((data[0] + slope[0]*x) * z);
2172 out4ub[x*4+1] = (int)((data[1] + slope[1]*x) * z);
2173 out4ub[x*4+2] = (int)((data[2] + slope[2]*x) * z);
2174 out4ub[x*4+3] = (int)((data[3] + slope[3]*x) * z);
2178 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)
2180 int x, startx = span->startx, endx = span->endx;
2181 int c[4], localcolor[4];
2182 localcolor[2] = (int)(subcolor[0] * 255.0f);
2183 localcolor[1] = (int)(subcolor[1] * 255.0f);
2184 localcolor[0] = (int)(subcolor[2] * 255.0f);
2185 localcolor[3] = (int)(subcolor[3] * 255.0f);
2186 for (x = startx;x < endx;x++)
2188 c[0] = inb4ub[x*4+0] - localcolor[0];if (c[0] < 0) c[0] = 0;
2189 c[1] = inb4ub[x*4+1] - localcolor[1];if (c[1] < 0) c[1] = 0;
2190 c[2] = inb4ub[x*4+2] - localcolor[2];if (c[2] < 0) c[2] = 0;
2191 c[3] = inb4ub[x*4+3] - localcolor[3];if (c[3] < 0) c[3] = 0;
2192 c[0] += ina4ub[x*4+0];if (c[0] > 255) c[0] = 255;
2193 c[1] += ina4ub[x*4+1];if (c[1] > 255) c[1] = 255;
2194 c[2] += ina4ub[x*4+2];if (c[2] > 255) c[2] = 255;
2195 c[3] += ina4ub[x*4+3];if (c[3] > 255) c[3] = 255;
2196 out4ub[x*4+0] = c[0];
2197 out4ub[x*4+1] = c[1];
2198 out4ub[x*4+2] = c[2];
2199 out4ub[x*4+3] = c[3];
2203 void DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2205 int x, startx = span->startx, endx = span->endx;
2206 for (x = startx;x < endx;x++)
2208 out4ub[x*4+0] = (ina4ub[x*4+0] * inb4ub[x*4+0])>>8;
2209 out4ub[x*4+1] = (ina4ub[x*4+1] * inb4ub[x*4+1])>>8;
2210 out4ub[x*4+2] = (ina4ub[x*4+2] * inb4ub[x*4+2])>>8;
2211 out4ub[x*4+3] = (ina4ub[x*4+3] * inb4ub[x*4+3])>>8;
2215 void DPSOFTRAST_Draw_Span_AddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2217 int x, startx = span->startx, endx = span->endx;
2219 for (x = startx;x < endx;x++)
2221 d[0] = ina4ub[x*4+0] + inb4ub[x*4+0];if (d[0] > 255) d[0] = 255;
2222 d[1] = ina4ub[x*4+1] + inb4ub[x*4+1];if (d[1] > 255) d[1] = 255;
2223 d[2] = ina4ub[x*4+2] + inb4ub[x*4+2];if (d[2] > 255) d[2] = 255;
2224 d[3] = ina4ub[x*4+3] + inb4ub[x*4+3];if (d[3] > 255) d[3] = 255;
2225 out4ub[x*4+0] = d[0];
2226 out4ub[x*4+1] = d[1];
2227 out4ub[x*4+2] = d[2];
2228 out4ub[x*4+3] = d[3];
2232 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)
2234 int x, startx = span->startx, endx = span->endx;
2237 b[0] = (int)(inbtintbgra[0] * 256.0f);
2238 b[1] = (int)(inbtintbgra[1] * 256.0f);
2239 b[2] = (int)(inbtintbgra[2] * 256.0f);
2240 b[3] = (int)(inbtintbgra[3] * 256.0f);
2241 for (x = startx;x < endx;x++)
2243 d[0] = ina4ub[x*4+0] + ((inb4ub[x*4+0]*b[0])>>8);if (d[0] > 255) d[0] = 255;
2244 d[1] = ina4ub[x*4+1] + ((inb4ub[x*4+1]*b[1])>>8);if (d[1] > 255) d[1] = 255;
2245 d[2] = ina4ub[x*4+2] + ((inb4ub[x*4+2]*b[2])>>8);if (d[2] > 255) d[2] = 255;
2246 d[3] = ina4ub[x*4+3] + ((inb4ub[x*4+3]*b[3])>>8);if (d[3] > 255) d[3] = 255;
2247 out4ub[x*4+0] = d[0];
2248 out4ub[x*4+1] = d[1];
2249 out4ub[x*4+2] = d[2];
2250 out4ub[x*4+3] = d[3];
2254 void DPSOFTRAST_Draw_Span_MixBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2256 int x, startx = span->startx, endx = span->endx;
2258 for (x = startx;x < endx;x++)
2260 a = 256 - inb4ub[x*4+3];
2262 out4ub[x*4+0] = (ina4ub[x*4+0] * a + inb4ub[x*4+0] * b)>>8;
2263 out4ub[x*4+1] = (ina4ub[x*4+1] * a + inb4ub[x*4+1] * b)>>8;
2264 out4ub[x*4+2] = (ina4ub[x*4+2] * a + inb4ub[x*4+2] * b)>>8;
2265 out4ub[x*4+3] = (ina4ub[x*4+3] * a + inb4ub[x*4+3] * b)>>8;
2269 void DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, const float *color)
2271 int x, startx = span->startx, endx = span->endx;
2272 int localcolor[4], ilerp, lerp;
2273 localcolor[2] = (int)(color[0]*255.0f);
2274 localcolor[1] = (int)(color[1]*255.0f);
2275 localcolor[0] = (int)(color[2]*255.0f);
2276 localcolor[3] = (int)(color[3]*255.0f);
2277 ilerp = 256 - localcolor[3];
2278 lerp = localcolor[3];
2279 for (x = startx;x < endx;x++)
2281 out4ub[x*4+0] = (in4ub[x*4+0] * ilerp + localcolor[0] * lerp)>>8;
2282 out4ub[x*4+1] = (in4ub[x*4+1] * ilerp + localcolor[1] * lerp)>>8;
2283 out4ub[x*4+2] = (in4ub[x*4+2] * ilerp + localcolor[2] * lerp)>>8;
2284 out4ub[x*4+3] = (in4ub[x*4+3] * ilerp + localcolor[3] * lerp)>>8;
2290 void DPSOFTRAST_VertexShader_Generic(void)
2292 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);
2293 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2294 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2295 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2296 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2299 void DPSOFTRAST_PixelShader_Generic(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2301 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2302 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2303 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2304 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2305 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2306 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2308 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_FIRST, 2, buffer_z);
2309 DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(span, buffer_FragColorbgra8, buffer_texture_colorbgra8, 1, buffer_z);
2310 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2312 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_SECOND, 2, buffer_z);
2313 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2316 DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2318 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2321 DPSOFTRAST_Draw_Span_AddBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2323 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
2326 DPSOFTRAST_Draw_Span_MixBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2331 DPSOFTRAST_Draw_Span_VaryingBGRA8(span, buffer_FragColorbgra8, 1, buffer_z);
2332 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2337 void DPSOFTRAST_VertexShader_PostProcess(void)
2339 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);
2340 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2341 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2344 void DPSOFTRAST_PixelShader_PostProcess(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2346 // TODO: optimize!! at the very least there is no reason to use texture sampling on the frame texture
2347 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2348 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2349 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2350 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2351 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_FragColorbgra8, GL20TU_FIRST, 2, buffer_z);
2352 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_BLOOM)
2354 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_SECOND, 3, buffer_z);
2355 DPSOFTRAST_Draw_Span_AddBloomBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_colorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_BloomColorSubtract * 4);
2357 DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_ViewTintColor * 4);
2358 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SATURATION)
2360 // TODO: implement saturation
2362 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GAMMARAMPS)
2364 // TODO: implement gammaramps
2366 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2371 void DPSOFTRAST_VertexShader_Depth_Or_Shadow(void)
2373 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);
2376 void DPSOFTRAST_PixelShader_Depth_Or_Shadow(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2378 // this is never called (because colormask is off when this shader is used)
2379 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2380 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2381 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2382 memset(buffer_FragColorbgra8, 0, span->length*4);
2383 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2388 void DPSOFTRAST_VertexShader_FlatColor(void)
2390 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);
2391 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);
2394 void DPSOFTRAST_PixelShader_FlatColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2396 int x, startx = span->startx, endx = span->endx;
2397 int Color_Ambienti[4];
2398 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2399 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2400 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2401 Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]*256.0f);
2402 Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]*256.0f);
2403 Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]*256.0f);
2404 Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] *256.0f);
2405 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2406 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2407 for (x = startx;x < endx;x++)
2409 buffer_FragColorbgra8[x*4+0] = (buffer_texture_colorbgra8[x*4+0] * Color_Ambienti[0])>>8;
2410 buffer_FragColorbgra8[x*4+1] = (buffer_texture_colorbgra8[x*4+1] * Color_Ambienti[1])>>8;
2411 buffer_FragColorbgra8[x*4+2] = (buffer_texture_colorbgra8[x*4+2] * Color_Ambienti[2])>>8;
2412 buffer_FragColorbgra8[x*4+3] = (buffer_texture_colorbgra8[x*4+3] * Color_Ambienti[3])>>8;
2414 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2419 void DPSOFTRAST_VertexShader_VertexColor(void)
2421 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);
2422 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2423 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);
2426 void DPSOFTRAST_PixelShader_VertexColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2428 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2429 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2430 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2431 int x, startx = span->startx, endx = span->endx;
2432 float Color_Ambient[4], Color_Diffuse[4];
2436 int arrayindex = DPSOFTRAST_ARRAY_COLOR;
2437 data[2] = span->data[0][arrayindex][0];
2438 data[1] = span->data[0][arrayindex][1];
2439 data[0] = span->data[0][arrayindex][2];
2440 data[3] = span->data[0][arrayindex][3];
2441 slope[2] = span->data[1][arrayindex][0];
2442 slope[1] = span->data[1][arrayindex][1];
2443 slope[0] = span->data[1][arrayindex][2];
2444 slope[3] = span->data[1][arrayindex][3];
2445 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2446 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2447 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2448 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2449 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2450 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2451 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2452 Color_Diffuse[3] = 0.0f;
2453 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2454 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2455 for (x = startx;x < endx;x++)
2458 buffer_FragColorbgra8[x*4+0] = (int)(buffer_texture_colorbgra8[x*4+0] * (Color_Ambient[0] + ((data[0] + slope[0]*x) * z) * Color_Diffuse[0]));
2459 buffer_FragColorbgra8[x*4+1] = (int)(buffer_texture_colorbgra8[x*4+1] * (Color_Ambient[1] + ((data[1] + slope[1]*x) * z) * Color_Diffuse[1]));
2460 buffer_FragColorbgra8[x*4+2] = (int)(buffer_texture_colorbgra8[x*4+2] * (Color_Ambient[2] + ((data[2] + slope[2]*x) * z) * Color_Diffuse[2]));
2461 buffer_FragColorbgra8[x*4+3] = (int)(buffer_texture_colorbgra8[x*4+3] * (Color_Ambient[3] + ((data[3] + slope[3]*x) * z) * Color_Diffuse[3]));
2463 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2468 void DPSOFTRAST_VertexShader_Lightmap(void)
2470 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);
2471 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);
2472 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2475 void DPSOFTRAST_PixelShader_Lightmap(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2478 unsigned char * RESTRICT pixelmask = span->pixelmask;
2479 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4;
2480 int x, startx = span->startx, endx = span->endx;
2481 __m128i Color_Ambientm, Color_Diffusem, Color_Glowm, Color_AmbientGlowm;
2482 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2483 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2484 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2485 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2486 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2487 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2488 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2489 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_LIGHTMAP, DPSOFTRAST_ARRAY_TEXCOORD4, buffer_z);
2490 if (dpsoftrast.user.alphatest || dpsoftrast.fb_blendmode != DPSOFTRAST_BLENDMODE_OPAQUE)
2491 pixel = buffer_FragColorbgra8;
2492 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));
2493 Color_Ambientm = _mm_and_si128(Color_Ambientm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2494 Color_Ambientm = _mm_or_si128(Color_Ambientm, _mm_setr_epi32(0, 0, 0, (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]*255.0f)));
2495 Color_Ambientm = _mm_packs_epi32(Color_Ambientm, Color_Ambientm);
2496 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));
2497 Color_Diffusem = _mm_and_si128(Color_Diffusem, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2498 Color_Diffusem = _mm_packs_epi32(Color_Diffusem, Color_Diffusem);
2499 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2501 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2502 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));
2503 Color_Glowm = _mm_and_si128(Color_Glowm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2504 Color_Glowm = _mm_packs_epi32(Color_Glowm, Color_Glowm);
2505 Color_AmbientGlowm = _mm_unpacklo_epi64(Color_Ambientm, Color_Glowm);
2506 for (x = startx;x < endx;x++)
2508 __m128i color, lightmap, glow, pix;
2509 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2512 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2513 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2514 glow = _mm_loadu_si128((const __m128i *)&buffer_texture_glowbgra8[x*4]);
2515 pix = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2516 _mm_unpacklo_epi8(_mm_setzero_si128(), color)),
2517 _mm_mulhi_epu16(Color_Glowm, _mm_unpacklo_epi8(_mm_setzero_si128(), glow)));
2518 pix2 = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2519 _mm_unpackhi_epi8(_mm_setzero_si128(), color)),
2520 _mm_mulhi_epu16(Color_Glowm, _mm_unpackhi_epi8(_mm_setzero_si128(), glow)));
2521 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2527 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2528 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2529 glow = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_glowbgra8[x*4]));
2530 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, lightmap), Color_AmbientGlowm), _mm_unpacklo_epi64(color, glow));
2531 pix = _mm_add_epi16(pix, _mm_shuffle_epi32(pix, _MM_SHUFFLE(3, 2, 3, 2)));
2532 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2537 for (x = startx;x < endx;x++)
2539 __m128i color, lightmap, pix;
2540 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2543 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2544 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2545 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2546 _mm_unpacklo_epi8(_mm_setzero_si128(), color));
2547 pix2 = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2548 _mm_unpackhi_epi8(_mm_setzero_si128(), color));
2549 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2555 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2556 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2557 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(lightmap, Color_Diffusem), Color_Ambientm), color);
2558 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2561 if(pixel == buffer_FragColorbgra8)
2562 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2568 void DPSOFTRAST_VertexShader_FakeLight(void)
2570 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);
2573 void DPSOFTRAST_PixelShader_FakeLight(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2576 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2577 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2578 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2579 memset(buffer_FragColorbgra8, 0, span->length*4);
2580 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2585 void DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace(void)
2587 DPSOFTRAST_VertexShader_Lightmap();
2590 void DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2592 DPSOFTRAST_PixelShader_Lightmap(span);
2598 void DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace(void)
2600 DPSOFTRAST_VertexShader_Lightmap();
2603 void DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2605 DPSOFTRAST_PixelShader_Lightmap(span);
2611 void DPSOFTRAST_VertexShader_LightDirection(void)
2614 int numvertices = dpsoftrast.draw.numvertices;
2616 float LightVector[4];
2617 float EyePosition[4];
2618 float EyeVectorModelSpace[4];
2624 LightDir[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+0];
2625 LightDir[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+1];
2626 LightDir[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+2];
2627 LightDir[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+3];
2628 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2629 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2630 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2631 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2632 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);
2633 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);
2634 for (i = 0;i < numvertices;i++)
2636 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2637 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2638 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2639 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2640 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2641 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2642 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2643 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2644 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2645 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2646 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2647 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2648 LightVector[0] = svector[0] * LightDir[0] + svector[1] * LightDir[1] + svector[2] * LightDir[2];
2649 LightVector[1] = tvector[0] * LightDir[0] + tvector[1] * LightDir[1] + tvector[2] * LightDir[2];
2650 LightVector[2] = normal[0] * LightDir[0] + normal[1] * LightDir[1] + normal[2] * LightDir[2];
2651 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2652 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2653 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2654 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2655 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2656 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2657 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2658 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2659 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2660 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2661 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2662 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2663 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2664 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2668 #define DPSOFTRAST_Min(a,b) ((a) < (b) ? (a) : (b))
2669 #define DPSOFTRAST_Max(a,b) ((a) > (b) ? (a) : (b))
2670 #define DPSOFTRAST_Vector3Dot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
2671 #define DPSOFTRAST_Vector3LengthSquared(v) (DPSOFTRAST_Vector3Dot((v),(v)))
2672 #define DPSOFTRAST_Vector3Length(v) (sqrt(DPSOFTRAST_Vector3LengthSquared(v)))
2673 #define DPSOFTRAST_Vector3Normalize(v)\
2676 float len = sqrt(DPSOFTRAST_Vector3Dot(v,v));\
2687 void DPSOFTRAST_PixelShader_LightDirection(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2689 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2690 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2691 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2692 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2693 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2694 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2695 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2696 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2697 int x, startx = span->startx, endx = span->endx;
2698 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2699 float LightVectordata[4];
2700 float LightVectorslope[4];
2701 float EyeVectordata[4];
2702 float EyeVectorslope[4];
2704 float diffusetex[4];
2706 float surfacenormal[4];
2707 float lightnormal[4];
2709 float specularnormal[4];
2712 float SpecularPower;
2714 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2715 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2716 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2717 Color_Glow[3] = 0.0f;
2718 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2719 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2720 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2721 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2722 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2723 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2724 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2725 Color_Pants[3] = 0.0f;
2726 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2727 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2728 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2729 Color_Shirt[3] = 0.0f;
2730 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2731 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2732 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2734 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2735 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2737 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2739 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2741 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2743 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2744 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2745 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2746 Color_Diffuse[3] = 0.0f;
2747 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2748 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2749 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2750 LightColor[3] = 0.0f;
2751 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2752 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2753 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2754 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2755 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2756 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2757 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2758 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2759 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2760 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2761 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2762 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2763 Color_Specular[3] = 0.0f;
2764 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2765 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2766 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2767 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2768 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2769 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2770 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2771 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2772 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2773 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2774 for (x = startx;x < endx;x++)
2777 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2778 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2779 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2780 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2781 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2783 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
2784 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
2785 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
2786 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
2788 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
2789 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
2790 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
2791 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
2792 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2793 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2794 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2795 DPSOFTRAST_Vector3Normalize(surfacenormal);
2797 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2798 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2799 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2800 DPSOFTRAST_Vector3Normalize(lightnormal);
2802 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
2803 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
2804 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
2805 DPSOFTRAST_Vector3Normalize(eyenormal);
2807 specularnormal[0] = lightnormal[0] + eyenormal[0];
2808 specularnormal[1] = lightnormal[1] + eyenormal[1];
2809 specularnormal[2] = lightnormal[2] + eyenormal[2];
2810 DPSOFTRAST_Vector3Normalize(specularnormal);
2812 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2813 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
2814 specular = pow(specular, SpecularPower * glosstex[3]);
2815 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2817 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;
2818 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;
2819 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;
2820 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2824 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;
2825 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;
2826 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;
2827 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2829 buffer_FragColorbgra8[x*4+0] = d[0];
2830 buffer_FragColorbgra8[x*4+1] = d[1];
2831 buffer_FragColorbgra8[x*4+2] = d[2];
2832 buffer_FragColorbgra8[x*4+3] = d[3];
2835 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2837 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2838 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2839 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2840 Color_Diffuse[3] = 0.0f;
2841 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2842 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2843 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2844 LightColor[3] = 0.0f;
2845 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2846 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2847 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2848 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2849 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2850 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2851 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2852 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2853 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2854 for (x = startx;x < endx;x++)
2857 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2858 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2859 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2860 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2861 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2862 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2863 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2864 DPSOFTRAST_Vector3Normalize(surfacenormal);
2866 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2867 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2868 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2869 DPSOFTRAST_Vector3Normalize(lightnormal);
2871 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2872 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2874 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;
2875 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;
2876 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;
2877 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2881 d[0] = (int)( + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255;
2882 d[1] = (int)( + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255;
2883 d[2] = (int)( + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255;
2884 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2886 buffer_FragColorbgra8[x*4+0] = d[0];
2887 buffer_FragColorbgra8[x*4+1] = d[1];
2888 buffer_FragColorbgra8[x*4+2] = d[2];
2889 buffer_FragColorbgra8[x*4+3] = d[3];
2894 for (x = startx;x < endx;x++)
2897 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2898 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2899 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2900 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2902 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2904 d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2905 d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2906 d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2907 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2911 d[0] = (int)( diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2912 d[1] = (int)( diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2913 d[2] = (int)( diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2914 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2916 buffer_FragColorbgra8[x*4+0] = d[0];
2917 buffer_FragColorbgra8[x*4+1] = d[1];
2918 buffer_FragColorbgra8[x*4+2] = d[2];
2919 buffer_FragColorbgra8[x*4+3] = d[3];
2922 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2927 void DPSOFTRAST_VertexShader_LightSource(void)
2930 int numvertices = dpsoftrast.draw.numvertices;
2931 float LightPosition[4];
2932 float LightVector[4];
2933 float LightVectorModelSpace[4];
2934 float EyePosition[4];
2935 float EyeVectorModelSpace[4];
2941 LightPosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+0];
2942 LightPosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+1];
2943 LightPosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+2];
2944 LightPosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+3];
2945 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2946 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2947 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2948 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2949 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);
2950 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);
2951 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);
2952 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2953 for (i = 0;i < numvertices;i++)
2955 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2956 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2957 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2958 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2959 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2960 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2961 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2962 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2963 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2964 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2965 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2966 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2967 LightVectorModelSpace[0] = LightPosition[0] - position[0];
2968 LightVectorModelSpace[1] = LightPosition[1] - position[1];
2969 LightVectorModelSpace[2] = LightPosition[2] - position[2];
2970 LightVector[0] = svector[0] * LightVectorModelSpace[0] + svector[1] * LightVectorModelSpace[1] + svector[2] * LightVectorModelSpace[2];
2971 LightVector[1] = tvector[0] * LightVectorModelSpace[0] + tvector[1] * LightVectorModelSpace[1] + tvector[2] * LightVectorModelSpace[2];
2972 LightVector[2] = normal[0] * LightVectorModelSpace[0] + normal[1] * LightVectorModelSpace[1] + normal[2] * LightVectorModelSpace[2];
2973 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2974 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2975 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2976 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2977 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2978 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2979 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2980 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2981 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2982 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2983 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2984 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2985 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2986 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2990 void DPSOFTRAST_PixelShader_LightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2992 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2993 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2994 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2995 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2996 unsigned char buffer_texture_cubebgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2997 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2998 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2999 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3000 int x, startx = span->startx, endx = span->endx;
3001 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
3002 float CubeVectordata[4];
3003 float CubeVectorslope[4];
3004 float LightVectordata[4];
3005 float LightVectorslope[4];
3006 float EyeVectordata[4];
3007 float EyeVectorslope[4];
3009 float diffusetex[4];
3011 float surfacenormal[4];
3012 float lightnormal[4];
3014 float specularnormal[4];
3017 float SpecularPower;
3018 float CubeVector[4];
3021 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
3022 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
3023 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
3024 Color_Glow[3] = 0.0f;
3025 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
3026 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
3027 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
3028 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
3029 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
3030 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
3031 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
3032 Color_Diffuse[3] = 0.0f;
3033 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
3034 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
3035 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
3036 Color_Specular[3] = 0.0f;
3037 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
3038 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
3039 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
3040 Color_Pants[3] = 0.0f;
3041 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
3042 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
3043 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
3044 Color_Shirt[3] = 0.0f;
3045 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
3046 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
3047 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
3048 LightColor[3] = 0.0f;
3049 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
3050 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
3051 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
3052 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
3053 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
3054 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
3055 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
3056 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
3057 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
3058 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
3059 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
3060 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
3061 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
3062 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
3063 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
3064 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
3065 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
3066 CubeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3067 CubeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3068 CubeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3069 CubeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3070 CubeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3071 CubeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3072 CubeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3073 CubeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3074 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3075 memset(buffer_FragColorbgra8 + startx*4, 0, (endx-startx)*4); // clear first, because we skip writing black pixels, and there are a LOT of them...
3076 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3077 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3079 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3080 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3082 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3083 DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(span, buffer_texture_cubebgra8, GL20TU_CUBE, DPSOFTRAST_ARRAY_TEXCOORD3, buffer_z);
3084 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
3086 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3087 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3088 for (x = startx;x < endx;x++)
3091 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3092 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3093 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3094 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3095 if (attenuation < 0.01f)
3097 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3099 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3100 if (attenuation < 0.01f)
3104 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3105 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3106 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3107 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3108 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3110 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3111 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3112 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3113 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3115 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
3116 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
3117 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
3118 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
3119 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3120 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3121 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3122 DPSOFTRAST_Vector3Normalize(surfacenormal);
3124 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3125 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3126 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3127 DPSOFTRAST_Vector3Normalize(lightnormal);
3129 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
3130 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
3131 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
3132 DPSOFTRAST_Vector3Normalize(eyenormal);
3134 specularnormal[0] = lightnormal[0] + eyenormal[0];
3135 specularnormal[1] = lightnormal[1] + eyenormal[1];
3136 specularnormal[2] = lightnormal[2] + eyenormal[2];
3137 DPSOFTRAST_Vector3Normalize(specularnormal);
3139 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3140 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
3141 specular = pow(specular, SpecularPower * glosstex[3]);
3142 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3144 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3145 attenuation *= (1.0f / 255.0f);
3146 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;
3147 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;
3148 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;
3149 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3153 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;
3154 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;
3155 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;
3156 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3158 buffer_FragColorbgra8[x*4+0] = d[0];
3159 buffer_FragColorbgra8[x*4+1] = d[1];
3160 buffer_FragColorbgra8[x*4+2] = d[2];
3161 buffer_FragColorbgra8[x*4+3] = d[3];
3164 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
3166 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3167 for (x = startx;x < endx;x++)
3170 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3171 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3172 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3173 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3174 if (attenuation < 0.01f)
3176 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3178 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3179 if (attenuation < 0.01f)
3183 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3184 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3185 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3186 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3187 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3189 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3190 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3191 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3192 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3194 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3195 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3196 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3197 DPSOFTRAST_Vector3Normalize(surfacenormal);
3199 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3200 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3201 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3202 DPSOFTRAST_Vector3Normalize(lightnormal);
3204 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3205 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3207 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3208 attenuation *= (1.0f / 255.0f);
3209 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;
3210 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;
3211 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;
3212 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3216 d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3217 d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3218 d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3219 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3221 buffer_FragColorbgra8[x*4+0] = d[0];
3222 buffer_FragColorbgra8[x*4+1] = d[1];
3223 buffer_FragColorbgra8[x*4+2] = d[2];
3224 buffer_FragColorbgra8[x*4+3] = d[3];
3229 for (x = startx;x < endx;x++)
3232 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3233 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3234 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3235 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3236 if (attenuation < 0.01f)
3238 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3240 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3241 if (attenuation < 0.01f)
3245 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3246 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3247 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3248 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3249 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3251 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3252 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3253 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3254 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3256 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3258 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3259 attenuation *= (1.0f / 255.0f);
3260 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
3261 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
3262 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
3263 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3267 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3268 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3269 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3270 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3272 buffer_FragColorbgra8[x*4+0] = d[0];
3273 buffer_FragColorbgra8[x*4+1] = d[1];
3274 buffer_FragColorbgra8[x*4+2] = d[2];
3275 buffer_FragColorbgra8[x*4+3] = d[3];
3278 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3283 void DPSOFTRAST_VertexShader_Refraction(void)
3285 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);
3288 void DPSOFTRAST_PixelShader_Refraction(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3291 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3292 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3293 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3294 memset(buffer_FragColorbgra8, 0, span->length*4);
3295 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3300 void DPSOFTRAST_VertexShader_Water(void)
3302 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);
3306 void DPSOFTRAST_PixelShader_Water(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3309 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3310 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3311 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3312 memset(buffer_FragColorbgra8, 0, span->length*4);
3313 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3318 void DPSOFTRAST_VertexShader_ShowDepth(void)
3320 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);
3323 void DPSOFTRAST_PixelShader_ShowDepth(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3326 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3327 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3328 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3329 memset(buffer_FragColorbgra8, 0, span->length*4);
3330 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3335 void DPSOFTRAST_VertexShader_DeferredGeometry(void)
3337 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);
3340 void DPSOFTRAST_PixelShader_DeferredGeometry(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3343 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3344 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3345 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3346 memset(buffer_FragColorbgra8, 0, span->length*4);
3347 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3352 void DPSOFTRAST_VertexShader_DeferredLightSource(void)
3354 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);
3357 void DPSOFTRAST_PixelShader_DeferredLightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3360 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3361 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3362 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3363 memset(buffer_FragColorbgra8, 0, span->length*4);
3364 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3369 typedef struct DPSOFTRAST_ShaderModeInfo_s
3372 void (*Vertex)(void);
3373 void (*Span)(const DPSOFTRAST_State_Draw_Span * RESTRICT span);
3375 DPSOFTRAST_ShaderModeInfo;
3377 DPSOFTRAST_ShaderModeInfo DPSOFTRAST_ShaderModeTable[SHADERMODE_COUNT] =
3379 {2, DPSOFTRAST_VertexShader_Generic, DPSOFTRAST_PixelShader_Generic, },
3380 {2, DPSOFTRAST_VertexShader_PostProcess, DPSOFTRAST_PixelShader_PostProcess, },
3381 {2, DPSOFTRAST_VertexShader_Depth_Or_Shadow, DPSOFTRAST_PixelShader_Depth_Or_Shadow, },
3382 {2, DPSOFTRAST_VertexShader_FlatColor, DPSOFTRAST_PixelShader_FlatColor, },
3383 {2, DPSOFTRAST_VertexShader_VertexColor, DPSOFTRAST_PixelShader_VertexColor, },
3384 {2, DPSOFTRAST_VertexShader_Lightmap, DPSOFTRAST_PixelShader_Lightmap, },
3385 {2, DPSOFTRAST_VertexShader_FakeLight, DPSOFTRAST_PixelShader_FakeLight, },
3386 {2, DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace, DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace, },
3387 {2, DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace, DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace},
3388 {2, DPSOFTRAST_VertexShader_LightDirection, DPSOFTRAST_PixelShader_LightDirection, },
3389 {2, DPSOFTRAST_VertexShader_LightSource, DPSOFTRAST_PixelShader_LightSource, },
3390 {2, DPSOFTRAST_VertexShader_Refraction, DPSOFTRAST_PixelShader_Refraction, },
3391 {2, DPSOFTRAST_VertexShader_Water, DPSOFTRAST_PixelShader_Water, },
3392 {2, DPSOFTRAST_VertexShader_ShowDepth, DPSOFTRAST_PixelShader_ShowDepth, },
3393 {2, DPSOFTRAST_VertexShader_DeferredGeometry, DPSOFTRAST_PixelShader_DeferredGeometry, },
3394 {2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, }
3399 void DPSOFTRAST_Draw_ProcessSpans(void)
3405 int numspans = dpsoftrast.draw.numspans;
3407 // unsigned int *colorpixel;
3408 unsigned int *depthpixel;
3414 DPSOFTRAST_State_Draw_Span *span = dpsoftrast.draw.spanqueue;
3415 unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3416 for (i = 0;i < numspans;i++, span++)
3418 w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
3419 wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
3420 if (dpsoftrast.user.depthtest && dpsoftrast.fb_depthpixels)
3422 depth = (int)(w*DPSOFTRAST_DEPTHSCALE);
3423 depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
3424 depthpixel = dpsoftrast.fb_depthpixels + span->start;
3425 switch(dpsoftrast.fb_depthfunc)
3428 case GL_ALWAYS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = true; break;
3429 case GL_LESS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
3430 case GL_LEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
3431 case GL_EQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
3432 case GL_GEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
3433 case GL_GREATER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
3434 case GL_NEVER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = false; break;
3436 //colorpixel = dpsoftrast.fb_colorpixels[0] + span->start;
3437 //for (x = 0;x < span->length;x++)
3438 // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000);
3439 // if there is no color buffer, skip pixel shader
3441 endx = span->length;
3442 while (startx < endx && !pixelmask[startx])
3444 while (endx > startx && !pixelmask[endx-1])
3447 continue; // no pixels to fill
3448 span->pixelmask = pixelmask;
3449 span->startx = startx;
3451 // run pixel shader if appropriate
3452 // do this before running depthmask code, to allow the pixelshader
3453 // to clear pixelmask values for alpha testing
3454 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3455 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3456 if (dpsoftrast.user.depthmask)
3457 for (x = 0, d = depth;x < span->length;x++, d += depthslope)
3463 // no depth testing means we're just dealing with color...
3464 // if there is no color buffer, skip pixel shader
3465 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3467 memset(pixelmask, 1, span->length);
3468 span->pixelmask = pixelmask;
3470 span->endx = span->length;
3471 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3477 void DPSOFTRAST_Draw_ProcessTriangles(int firstvertex, int numtriangles, const int *element3i, const unsigned short *element3s, unsigned char *arraymask)
3480 int cullface = dpsoftrast.user.cullface;
3481 int width = dpsoftrast.fb_width;
3482 int height = dpsoftrast.fb_height;
3488 ALIGN(int screeny[4]);
3499 float mip_edge0tc[2];
3500 float mip_edge1tc[2];
3501 float mip_edge0xy[2];
3502 float mip_edge1xy[2];
3503 float mip_edge0xymul;
3504 float mip_edge1xymul;
3508 unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS];
3522 //float trianglearea2;
3523 __m128 triangleedge[2];
3524 __m128 trianglenormal;
3525 ALIGN(float clipdist[4]);
3526 ALIGN(float clipped[DPSOFTRAST_ARRAY_TOTAL][4][4]);
3527 ALIGN(float screen[4][4]);
3528 __m128 proj[DPSOFTRAST_ARRAY_TOTAL][4];
3529 DPSOFTRAST_Texture *texture;
3530 DPSOFTRAST_State_Draw_Span *span;
3531 DPSOFTRAST_State_Draw_Span *oldspan;
3532 for (i = 0;i < numtriangles;i++)
3534 // generate the 3 edges of this triangle
3535 // generate spans for the triangle - switch based on left split or right split classification of triangle
3538 e[0] = element3i[i*3+0] - firstvertex;
3539 e[1] = element3i[i*3+1] - firstvertex;
3540 e[2] = element3i[i*3+2] - firstvertex;
3544 e[0] = element3s[i*3+0] - firstvertex;
3545 e[1] = element3s[i*3+1] - firstvertex;
3546 e[2] = element3s[i*3+2] - firstvertex;
3555 __m128 v1 = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4]);
3556 triangleedge[0] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4]), v1);
3557 triangleedge[1] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4]), v1);
3559 // store normal in 2, 0, 1 order instead of 0, 1, 2 as it requires fewer shuffles and leaves z component accessible as scalar
3560 trianglenormal = _mm_sub_ps(_mm_mul_ps(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))),
3561 _mm_mul_ps(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1]));
3563 trianglenormal[2] = triangleedge[0][0] * triangleedge[1][1] - triangleedge[0][1] * triangleedge[1][0];
3564 trianglenormal[0] = triangleedge[0][1] * triangleedge[1][2] - triangleedge[0][2] * triangleedge[1][1];
3565 trianglenormal[1] = triangleedge[0][2] * triangleedge[1][0] - triangleedge[0][0] * triangleedge[1][2];
3567 // apply current cullface mode (this culls many triangles)
3571 if (_mm_ucomilt_ss(trianglenormal, _mm_setzero_ps()))
3575 if (_mm_ucomigt_ss(trianglenormal, _mm_setzero_ps()))
3580 trianglearea2 = trianglenormal[0] * trianglenormal[0] + trianglenormal[1] * trianglenormal[1] + trianglenormal[2] * trianglenormal[2];
3581 // skip degenerate triangles, nothing good can come from them...
3582 if (trianglearea2 == 0.0f)
3586 // calculate distance from nearplane
3587 clipdist[0] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+2] + 1.0f;
3588 clipdist[1] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+2] + 1.0f;
3589 clipdist[2] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+2] + 1.0f;
3591 if (clipdist[0] < 0.0f)
3593 if (clipdist[1] < 0.0f)
3595 if (clipdist[2] < 0.0f)
3597 // clip triangle if necessary
3601 // triangle is entirely in front of nearplane
3603 // macros for clipping vertices
3604 #define CLIPPEDVERTEXLERP(k,p1,p2) \
3605 frac = clipdist[p1] / (clipdist[p1] - clipdist[p2]);\
3606 ifrac = 1.0f - frac;\
3607 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3609 /*if (arraymask[j])*/\
3611 clipped[j][k][0] = dpsoftrast.draw.post_array4f[j][e[p1]*4+0]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+0]*frac;\
3612 clipped[j][k][1] = dpsoftrast.draw.post_array4f[j][e[p1]*4+1]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+1]*frac;\
3613 clipped[j][k][2] = dpsoftrast.draw.post_array4f[j][e[p1]*4+2]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+2]*frac;\
3614 clipped[j][k][3] = dpsoftrast.draw.post_array4f[j][e[p1]*4+3]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+3]*frac;\
3617 DPSOFTRAST_Draw_ProjectVertices(screen[k], clipped[DPSOFTRAST_ARRAY_POSITION][k], 1)
3618 #define CLIPPEDVERTEXCOPY(k,p1) \
3619 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3621 /*if (arraymask[j])*/\
3623 clipped[j][k][0] = dpsoftrast.draw.post_array4f[j][e[p1]*4+0];\
3624 clipped[j][k][1] = dpsoftrast.draw.post_array4f[j][e[p1]*4+1];\
3625 clipped[j][k][2] = dpsoftrast.draw.post_array4f[j][e[p1]*4+2];\
3626 clipped[j][k][3] = dpsoftrast.draw.post_array4f[j][e[p1]*4+3];\
3629 screen[k][0] = dpsoftrast.draw.screencoord4f[e[p1]*4+0];\
3630 screen[k][1] = dpsoftrast.draw.screencoord4f[e[p1]*4+1];\
3631 screen[k][2] = dpsoftrast.draw.screencoord4f[e[p1]*4+2];\
3632 screen[k][3] = dpsoftrast.draw.screencoord4f[e[p1]*4+3];
3634 CLIPPEDVERTEXCOPY(0,0);
3635 CLIPPEDVERTEXCOPY(1,1);
3636 CLIPPEDVERTEXCOPY(2,2);
3640 CLIPPEDVERTEXLERP(0,0,1);
3641 CLIPPEDVERTEXCOPY(1,1);
3642 CLIPPEDVERTEXCOPY(2,2);
3643 CLIPPEDVERTEXLERP(3,2,0);
3647 CLIPPEDVERTEXCOPY(0,0);
3648 CLIPPEDVERTEXLERP(1,0,1);
3649 CLIPPEDVERTEXLERP(2,1,2);
3650 CLIPPEDVERTEXCOPY(3,2);
3654 CLIPPEDVERTEXLERP(0,1,2);
3655 CLIPPEDVERTEXCOPY(1,2);
3656 CLIPPEDVERTEXLERP(2,2,0);
3660 CLIPPEDVERTEXCOPY(0,0);
3661 CLIPPEDVERTEXCOPY(1,1);
3662 CLIPPEDVERTEXLERP(2,1,2);
3663 CLIPPEDVERTEXLERP(3,2,0);
3667 CLIPPEDVERTEXLERP(0,0,1);
3668 CLIPPEDVERTEXCOPY(1,1);
3669 CLIPPEDVERTEXLERP(2,1,2);
3673 CLIPPEDVERTEXCOPY(0,0);
3674 CLIPPEDVERTEXLERP(1,0,1);
3675 CLIPPEDVERTEXLERP(2,2,0);
3679 // triangle is entirely behind nearplane
3683 // calculate integer y coords for triangle points
3684 __m128i screeni = _mm_packs_epi32(_mm_cvttps_epi32(_mm_shuffle_ps(_mm_load_ps(screen[0]), _mm_load_ps(screen[1]), _MM_SHUFFLE(1, 0, 1, 0))),
3685 _mm_cvttps_epi32(_mm_shuffle_ps(_mm_load_ps(screen[2]), _mm_load_ps(screen[3]), _MM_SHUFFLE(1, 0, 1, 0)))),
3686 screenir, screenmin, screenmax;
3687 if (numpoints <= 3) screeni = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(2, 2, 1, 0));
3688 screenir = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(1, 0, 3, 2)),
3689 screenmin = _mm_min_epi16(screeni, screenir);
3690 screenmax = _mm_max_epi16(screeni, screenir);
3691 screenmin = _mm_min_epi16(screenmin, _mm_shufflelo_epi16(screenmin, _MM_SHUFFLE(1, 0, 3, 2)));
3692 screenmax = _mm_max_epi16(screenmax, _mm_shufflelo_epi16(screenmax, _MM_SHUFFLE(1, 0, 3, 2)));
3693 screenmin = _mm_max_epi16(screenmin, _mm_setzero_si128());
3694 screenmax = _mm_min_epi16(screenmax, _mm_setr_epi16(width-1, height-1, 0, 0, 0, 0, 0, 0));
3695 // skip offscreen triangles
3697 __m128i cc = _mm_cmplt_epi16(screenmax, screenmin);
3698 if (_mm_extract_epi16(cc, 0)|_mm_extract_epi16(cc, 1))
3701 starty = _mm_extract_epi16(screenmin, 1);
3702 endy = _mm_extract_epi16(screenmax, 1)+1;
3703 _mm_store_si128((__m128i *)screeny, _mm_srai_epi32(screeni, 16));
3706 // okay, this triangle is going to produce spans, we'd better project
3707 // the interpolants now (this is what gives perspective texturing),
3708 // this consists of simply multiplying all arrays by the W coord
3709 // (which is basically 1/Z), which will be undone per-pixel
3710 // (multiplying by Z again) to get the perspective-correct array
3712 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3716 for (k = 0;k < numpoints;k++)
3718 proj[j][k] = _mm_mul_ps(_mm_load_ps(clipped[j][k]), _mm_set1_ps(screen[k][3]));
3722 // adjust texture LOD by texture density, in the simplest way possible...
3723 mip_edge0xy[0] = screen[0][0] - screen[1][0];
3724 mip_edge0xy[1] = screen[0][1] - screen[1][1];
3725 mip_edge1xy[0] = screen[2][0] - screen[1][0];
3726 mip_edge1xy[1] = screen[2][1] - screen[1][1];
3727 mip_edge0xymul = 1.0f / (mip_edge0xy[0]*mip_edge0xy[0]+mip_edge0xy[1]*mip_edge0xy[1]);
3728 mip_edge1xymul = 1.0f / (mip_edge1xy[0]*mip_edge1xy[0]+mip_edge1xy[1]*mip_edge1xy[1]);
3729 for (j = 0;j < DPSOFTRAST_MAXTEXTUREUNITS;j++)
3731 texture = dpsoftrast.texbound[j];
3734 if (texture->filter <= DPSOFTRAST_TEXTURE_FILTER_LINEAR)
3739 k = DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].lodarrayindex;
3740 mip_edge0tc[0] = (clipped[k][0][0] - clipped[k][1][0]) * texture->mipmap[0][2];
3741 mip_edge0tc[1] = (clipped[k][0][1] - clipped[k][1][1]) * texture->mipmap[0][3];
3742 mip_edge1tc[0] = (clipped[k][2][0] - clipped[k][1][0]) * texture->mipmap[0][2];
3743 mip_edge1tc[1] = (clipped[k][2][1] - clipped[k][1][1]) * texture->mipmap[0][3];
3744 mip_edge0mip = (mip_edge0tc[0]*mip_edge0tc[0]+mip_edge0tc[1]*mip_edge0tc[1]) * mip_edge0xymul;
3745 mip_edge1mip = (mip_edge1tc[0]*mip_edge1tc[0]+mip_edge1tc[1]*mip_edge1tc[1]) * mip_edge1xymul;
3746 // this will be multiplied in the texturing routine by the texture resolution
3747 mipdensity = mip_edge0mip < mip_edge1mip ? mip_edge0mip : mip_edge1mip;
3748 y = (int)(log(mipdensity)/log(2.0f));
3751 if (y > texture->mipmaps - 1)
3752 y = texture->mipmaps - 1;
3756 // iterate potential spans
3757 // TODO: optimize? if we figured out the edge order beforehand, this
3758 // could do loops over the edges in the proper order rather than
3759 // selecting them for each span
3760 // TODO: optimize? the edges could have data slopes calculated
3761 // TODO: optimize? the data slopes could be calculated as a plane
3762 // (2D slopes) to avoid any interpolation along edges at all
3763 for (y = starty;y < endy;y++)
3765 // get center of pixel y
3767 // do the compares all at once
3768 screenyless[0] = y <= screeny[0];
3769 screenyless[1] = y <= screeny[1];
3770 screenyless[2] = y <= screeny[2];
3771 screenyless[3] = y <= screeny[3];
3774 switch(screenyless[0] + screenyless[1] * 2 + screenyless[2] * 4 + screenyless[3] * 8)
3776 case 0: /*0000*/ continue;
3777 case 1: /*1000*/ edge0p = 3;edge0n = 0;edge1p = 0;edge1n = 1;break;
3778 case 2: /*0100*/ edge0p = 0;edge0n = 1;edge1p = 1;edge1n = 2;break;
3779 case 3: /*1100*/ edge0p = 3;edge0n = 0;edge1p = 1;edge1n = 2;break;
3780 case 4: /*0010*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 3;break;
3781 case 5: /*1010*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 3;break; // concave - nonsense
3782 case 6: /*0110*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 3;break;
3783 case 7: /*1110*/ edge0p = 3;edge0n = 0;edge1p = 2;edge1n = 3;break;
3784 case 8: /*0001*/ edge0p = 2;edge0n = 3;edge1p = 3;edge1n = 0;break;
3785 case 9: /*1001*/ edge0p = 2;edge0n = 3;edge1p = 0;edge1n = 1;break;
3786 case 10: /*0101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break; // concave - nonsense
3787 case 11: /*1101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break;
3788 case 12: /*0011*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 0;break;
3789 case 13: /*1011*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 1;break;
3790 case 14: /*0111*/ edge0p = 0;edge0n = 1;edge1p = 3;edge1n = 0;break;
3791 case 15: /*1111*/ continue;
3796 switch(screenyless[0] + screenyless[1] * 2 + screenyless[2] * 4)
3798 case 0: /*000*/ continue;
3799 case 1: /*100*/ edge0p = 2;edge0n = 0;edge1p = 0;edge1n = 1;break;
3800 case 2: /*010*/ edge0p = 0;edge0n = 1;edge1p = 1;edge1n = 2;break;
3801 case 3: /*110*/ edge0p = 2;edge0n = 0;edge1p = 1;edge1n = 2;break;
3802 case 4: /*001*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 0;break;
3803 case 5: /*101*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 1;break;
3804 case 6: /*011*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 0;break;
3805 case 7: /*111*/ continue;
3815 for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3817 if (screenyless[k] && !screenyless[j])
3823 else if (screenyless[j] && !screenyless[k])
3830 if (foundedges != 3)
3832 if (cedge0p != edge0p || cedge0n != edge0n || cedge1p != edge1p || cedge1n != edge1n)
3835 printf("case %i%i%i%i is broken %i %i %i %i != %i %i %i %i\n", screenyless[0], screenyless[1], screenyless[2], screenyless[3], cedge0p, cedge0n, cedge1p, cedge1n, edge0p, edge0n, edge1p, edge1n);
3837 printf("case %i%i%i is broken %i %i %i %i != %i %i %i %i\n", screenyless[0], screenyless[1], screenyless[2], cedge0p, cedge0n, cedge1p, cedge1n, edge0p, edge0n, edge1p, edge1n);
3841 edge0ylerp = (yc - screen[edge0p][1]) / (screen[edge0n][1] - screen[edge0p][1]);
3842 edge1ylerp = (yc - screen[edge1p][1]) / (screen[edge1n][1] - screen[edge1p][1]);
3843 if (edge0ylerp < 0 || edge0ylerp > 1 || edge1ylerp < 0 || edge1ylerp > 1)
3845 edge0yilerp = 1.0f - edge0ylerp;
3846 edge1yilerp = 1.0f - edge1ylerp;
3847 edge0xf = screen[edge0p][0] * edge0yilerp + screen[edge0n][0] * edge0ylerp;
3848 edge1xf = screen[edge1p][0] * edge1yilerp + screen[edge1n][0] * edge1ylerp;
3849 if (edge0xf < edge1xf)
3859 startx = (int)ceil(startxf);
3860 endx = (int)ceil(endxf);
3867 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); }
3868 spanilength = 1.0f / (endxf - startxf);
3869 startxlerp = startx - startxf;
3870 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3871 memcpy(span->mip, mip, sizeof(span->mip));
3872 span->start = y * width + startx;
3873 span->length = endx - startx;
3875 __m128 edge0ylerpm = _mm_set1_ps(edge0ylerp), edge0yilerpm = _mm_set1_ps(edge0yilerp),
3876 edge1ylerpm = _mm_set1_ps(edge1ylerp), edge1yilerpm = _mm_set1_ps(edge1yilerp),
3877 spanilengthm = _mm_set1_ps(spanilength), startxlerpm = _mm_set1_ps(startxlerp),
3879 j = DPSOFTRAST_ARRAY_TOTAL;
3880 if (edge0xf < edge1xf)
3882 data0 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge0p]), edge0yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge0n]), edge0ylerpm));
3883 data1 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge1p]), edge1yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge1n]), edge1ylerpm));
3884 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3885 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3886 _mm_store_ps(span->data[0][j], data0);
3887 _mm_store_ps(span->data[1][j], data1);
3888 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3892 data0 = _mm_add_ps(_mm_mul_ps(proj[j][edge0p], edge0yilerpm), _mm_mul_ps(proj[j][edge0n], edge0ylerpm));
3893 data1 = _mm_add_ps(_mm_mul_ps(proj[j][edge1p], edge1yilerpm), _mm_mul_ps(proj[j][edge1n], edge1ylerpm));
3894 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3895 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3896 _mm_store_ps(span->data[0][j], data0);
3897 _mm_store_ps(span->data[1][j], data1);
3903 data0 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge1p]), edge1yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge1n]), edge1ylerpm));
3904 data1 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge0p]), edge0yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge0n]), edge0ylerpm));
3905 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3906 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3907 _mm_store_ps(span->data[0][j], data0);
3908 _mm_store_ps(span->data[1][j], data1);
3909 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3913 data0 = _mm_add_ps(_mm_mul_ps(proj[j][edge1p], edge1yilerpm), _mm_mul_ps(proj[j][edge1n], edge1ylerpm));
3914 data1 = _mm_add_ps(_mm_mul_ps(proj[j][edge0p], edge0yilerpm), _mm_mul_ps(proj[j][edge0n], edge0ylerpm));
3915 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3916 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3917 _mm_store_ps(span->data[0][j], data0);
3918 _mm_store_ps(span->data[1][j], data1);
3923 // to keep the shader routines from needing more than a small
3924 // buffer for pixel intermediate data, we split long spans...
3925 while (span->length > DPSOFTRAST_DRAW_MAXSPANLENGTH)
3927 __m128 maxspanlengthm;
3928 span->length = DPSOFTRAST_DRAW_MAXSPANLENGTH;
3929 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3931 DPSOFTRAST_Draw_ProcessSpans();
3932 dpsoftrast.draw.numspans = 0;
3935 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3937 startx += DPSOFTRAST_DRAW_MAXSPANLENGTH;
3938 span->start = y * width + startx;
3939 span->length = endx - startx;
3940 j = DPSOFTRAST_ARRAY_TOTAL;
3941 maxspanlengthm = _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH);
3942 _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]), maxspanlengthm)));
3943 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3947 _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]), maxspanlengthm)));
3951 // after all that, we have a span suitable for the pixel shader...
3952 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3954 DPSOFTRAST_Draw_ProcessSpans();
3955 dpsoftrast.draw.numspans = 0;
3958 // draw outlines over triangle for debugging
3959 // for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3960 // DPSOFTRAST_Draw_DebugEdgePoints(screen[k], screen[j]);
3962 if (dpsoftrast.draw.numspans)
3964 DPSOFTRAST_Draw_ProcessSpans();
3965 dpsoftrast.draw.numspans = 0;
3970 void DPSOFTRAST_Draw_DebugPoints(void)
3975 int numvertices = dpsoftrast.draw.numvertices;
3976 int w = dpsoftrast.fb_width;
3978 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
3980 bounds[0] = dpsoftrast.fb_viewportscissor[0];
3981 bounds[1] = dpsoftrast.fb_viewportscissor[1];
3982 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
3983 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
3984 for (i = 0;i < numvertices;i++)
3987 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
3989 x = (int)(dpsoftrast.draw.screencoord4f[i*4+0]);
3990 y = (int)(dpsoftrast.draw.screencoord4f[i*4+1]);
3991 //x = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 0.5f);
3992 //y = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 0.5f);
3993 //x = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 1.0f) * dpsoftrast.fb_width * 0.5f + 0.5f);
3994 //y = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 1.0f) * dpsoftrast.fb_height * 0.5f + 0.5f);
3995 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
3997 c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + i*4;
3998 pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
4002 void DPSOFTRAST_DrawTriangles(int firstvertex, int numvertices, int numtriangles, const int *element3i, const unsigned short *element3s)
4004 unsigned char arraymask[DPSOFTRAST_ARRAY_TOTAL];
4005 arraymask[0] = true;
4006 arraymask[1] = dpsoftrast.fb_colorpixels[0] != NULL; // TODO: optimize (decide based on shadermode)
4007 arraymask[2] = dpsoftrast.pointer_texcoordf[0] != NULL;
4008 arraymask[3] = dpsoftrast.pointer_texcoordf[1] != NULL;
4009 arraymask[4] = dpsoftrast.pointer_texcoordf[2] != NULL;
4010 arraymask[5] = dpsoftrast.pointer_texcoordf[3] != NULL;
4011 arraymask[6] = dpsoftrast.pointer_texcoordf[4] != NULL;
4012 arraymask[7] = dpsoftrast.pointer_texcoordf[5] != NULL;
4013 arraymask[8] = dpsoftrast.pointer_texcoordf[6] != NULL;
4014 arraymask[9] = dpsoftrast.pointer_texcoordf[7] != NULL;
4015 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_DRAW);
4016 DPSOFTRAST_Draw_LoadVertices(firstvertex, numvertices, true);
4017 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Vertex();
4018 DPSOFTRAST_Draw_ProjectVertices(dpsoftrast.draw.screencoord4f, dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], numvertices);
4019 DPSOFTRAST_Draw_ProcessTriangles(firstvertex, numtriangles, element3i, element3s, arraymask);
4022 void DPSOFTRAST_Init(int width, int height, unsigned int *colorpixels, unsigned int *depthpixels)
4031 memset(&dpsoftrast, 0, sizeof(dpsoftrast));
4032 dpsoftrast.bigendian = u.b[3];
4033 dpsoftrast.fb_width = width;
4034 dpsoftrast.fb_height = height;
4035 dpsoftrast.fb_depthpixels = depthpixels;
4036 dpsoftrast.fb_colorpixels[0] = colorpixels;
4037 dpsoftrast.fb_colorpixels[1] = NULL;
4038 dpsoftrast.fb_colorpixels[1] = NULL;
4039 dpsoftrast.fb_colorpixels[1] = NULL;
4040 dpsoftrast.texture_firstfree = 1;
4041 dpsoftrast.texture_end = 1;
4042 dpsoftrast.texture_max = 0;
4043 dpsoftrast.user.colormask[0] = 1;
4044 dpsoftrast.user.colormask[1] = 1;
4045 dpsoftrast.user.colormask[2] = 1;
4046 dpsoftrast.user.colormask[3] = 1;
4047 dpsoftrast.user.blendfunc[0] = GL_ONE;
4048 dpsoftrast.user.blendfunc[1] = GL_ZERO;
4049 dpsoftrast.user.depthmask = true;
4050 dpsoftrast.user.depthtest = true;
4051 dpsoftrast.user.depthfunc = GL_LEQUAL;
4052 dpsoftrast.user.scissortest = false;
4053 dpsoftrast.user.cullface = GL_BACK;
4054 dpsoftrast.user.alphatest = false;
4055 dpsoftrast.user.alphafunc = GL_GREATER;
4056 dpsoftrast.user.alphavalue = 0.5f;
4057 dpsoftrast.user.scissor[0] = 0;
4058 dpsoftrast.user.scissor[1] = 0;
4059 dpsoftrast.user.scissor[2] = dpsoftrast.fb_width;
4060 dpsoftrast.user.scissor[3] = dpsoftrast.fb_height;
4061 dpsoftrast.user.viewport[0] = 0;
4062 dpsoftrast.user.viewport[1] = 0;
4063 dpsoftrast.user.viewport[2] = dpsoftrast.fb_width;
4064 dpsoftrast.user.viewport[3] = dpsoftrast.fb_height;
4065 dpsoftrast.user.depthrange[0] = 0;
4066 dpsoftrast.user.depthrange[1] = 1;
4067 dpsoftrast.user.polygonoffset[0] = 0;
4068 dpsoftrast.user.polygonoffset[1] = 0;
4069 dpsoftrast.user.color[0] = 1;
4070 dpsoftrast.user.color[1] = 1;
4071 dpsoftrast.user.color[2] = 1;
4072 dpsoftrast.user.color[3] = 1;
4073 dpsoftrast.validate = -1;
4074 DPSOFTRAST_Validate(-1);
4075 dpsoftrast.validate = 0;
4078 void DPSOFTRAST_Shutdown(void)
4081 for (i = 0;i < dpsoftrast.texture_end;i++)
4082 if (dpsoftrast.texture[i].bytes)
4083 free(dpsoftrast.texture[i].bytes);
4084 if (dpsoftrast.texture)
4085 free(dpsoftrast.texture);
4086 memset(&dpsoftrast, 0, sizeof(dpsoftrast));