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 float endz = 1.0f / (w + wslope * startx);
1191 for (x = startx;x < endx;)
1193 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1195 if(nextsub >= endx) nextsub = endsub = endx-1;
1196 endz = 1.0f / (w + wslope * nextsub);
1197 dz = x < nextsub ? (endz - z) / (nextsub - x) : 0.0f;
1198 for (; x <= endsub; x++, z += dz)
1203 void DPSOFTRAST_Draw_Span_Finish(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const float * RESTRICT in4f)
1206 int startx = span->startx;
1207 int endx = span->endx;
1210 unsigned char * RESTRICT pixelmask = span->pixelmask;
1211 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1214 pixel += span->start * 4;
1215 // handle alphatest now (this affects depth writes too)
1216 if (dpsoftrast.user.alphatest)
1217 for (x = startx;x < endx;x++)
1218 if (in4f[x*4+3] < 0.5f)
1219 pixelmask[x] = false;
1220 // FIXME: this does not handle bigendian
1221 switch(dpsoftrast.fb_blendmode)
1223 case DPSOFTRAST_BLENDMODE_OPAQUE:
1224 for (x = startx;x < endx;x++)
1228 d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255;
1229 d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255;
1230 d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255;
1231 d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255;
1232 pixel[x*4+0] = d[0];
1233 pixel[x*4+1] = d[1];
1234 pixel[x*4+2] = d[2];
1235 pixel[x*4+3] = d[3];
1238 case DPSOFTRAST_BLENDMODE_ALPHA:
1239 for (x = startx;x < endx;x++)
1243 a = in4f[x*4+3] * 255.0f;
1244 b = 1.0f - in4f[x*4+3];
1245 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1246 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1247 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1248 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1249 pixel[x*4+0] = d[0];
1250 pixel[x*4+1] = d[1];
1251 pixel[x*4+2] = d[2];
1252 pixel[x*4+3] = d[3];
1255 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1256 for (x = startx;x < endx;x++)
1260 a = in4f[x*4+3] * 255.0f;
1261 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1262 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1263 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1264 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1265 pixel[x*4+0] = d[0];
1266 pixel[x*4+1] = d[1];
1267 pixel[x*4+2] = d[2];
1268 pixel[x*4+3] = d[3];
1271 case DPSOFTRAST_BLENDMODE_ADD:
1272 for (x = startx;x < endx;x++)
1276 d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1277 d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1278 d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1279 d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1280 pixel[x*4+0] = d[0];
1281 pixel[x*4+1] = d[1];
1282 pixel[x*4+2] = d[2];
1283 pixel[x*4+3] = d[3];
1286 case DPSOFTRAST_BLENDMODE_INVMOD:
1287 for (x = startx;x < endx;x++)
1291 d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1292 d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1293 d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1294 d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1295 pixel[x*4+0] = d[0];
1296 pixel[x*4+1] = d[1];
1297 pixel[x*4+2] = d[2];
1298 pixel[x*4+3] = d[3];
1301 case DPSOFTRAST_BLENDMODE_MUL:
1302 for (x = startx;x < endx;x++)
1306 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1307 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1308 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1309 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1310 pixel[x*4+0] = d[0];
1311 pixel[x*4+1] = d[1];
1312 pixel[x*4+2] = d[2];
1313 pixel[x*4+3] = d[3];
1316 case DPSOFTRAST_BLENDMODE_MUL2:
1317 for (x = startx;x < endx;x++)
1321 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255;
1322 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255;
1323 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255;
1324 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255;
1325 pixel[x*4+0] = d[0];
1326 pixel[x*4+1] = d[1];
1327 pixel[x*4+2] = d[2];
1328 pixel[x*4+3] = d[3];
1331 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1332 for (x = startx;x < endx;x++)
1336 a = in4f[x*4+3] * -255.0f;
1337 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;
1338 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;
1339 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;
1340 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;
1341 pixel[x*4+0] = d[0];
1342 pixel[x*4+1] = d[1];
1343 pixel[x*4+2] = d[2];
1344 pixel[x*4+3] = d[3];
1347 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1348 for (x = startx;x < endx;x++)
1353 b = 1.0f - in4f[x*4+3];
1354 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1355 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1356 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1357 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1358 pixel[x*4+0] = d[0];
1359 pixel[x*4+1] = d[1];
1360 pixel[x*4+2] = d[2];
1361 pixel[x*4+3] = d[3];
1367 void DPSOFTRAST_Draw_Span_FinishBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
1370 int startx = span->startx;
1371 int endx = span->endx;
1373 const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
1375 unsigned char * RESTRICT pixelmask = span->pixelmask;
1376 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1377 unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
1380 pixel += span->start * 4;
1381 pixeli += span->start;
1382 // handle alphatest now (this affects depth writes too)
1383 if (dpsoftrast.user.alphatest)
1384 for (x = startx;x < endx;x++)
1385 if (in4ub[x*4+3] < 0.5f)
1386 pixelmask[x] = false;
1387 // FIXME: this does not handle bigendian
1388 switch(dpsoftrast.fb_blendmode)
1390 case DPSOFTRAST_BLENDMODE_OPAQUE:
1391 for (x = startx;x < endx;x++)
1395 case DPSOFTRAST_BLENDMODE_ALPHA:
1396 for (x = startx;x < endx;x++)
1401 b = 256 - in4ub[x*4+3];
1402 pixel[x*4+0] = (in4ub[x*4+0]*a+pixel[x*4+0]*b) >> 8;
1403 pixel[x*4+1] = (in4ub[x*4+1]*a+pixel[x*4+1]*b) >> 8;
1404 pixel[x*4+2] = (in4ub[x*4+2]*a+pixel[x*4+2]*b) >> 8;
1405 pixel[x*4+3] = (in4ub[x*4+3]*a+pixel[x*4+3]*b) >> 8;
1408 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1409 for (x = startx;x < endx;x++)
1414 d[0] = (((in4ub[x*4+0]*a)>>8)+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1415 d[1] = (((in4ub[x*4+1]*a)>>8)+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1416 d[2] = (((in4ub[x*4+2]*a)>>8)+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1417 d[3] = (((in4ub[x*4+3]*a)>>8)+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1418 pixel[x*4+0] = d[0];
1419 pixel[x*4+1] = d[1];
1420 pixel[x*4+2] = d[2];
1421 pixel[x*4+3] = d[3];
1424 case DPSOFTRAST_BLENDMODE_ADD:
1425 for (x = startx;x < endx;x++)
1429 d[0] = (in4ub[x*4+0]+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1430 d[1] = (in4ub[x*4+1]+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1431 d[2] = (in4ub[x*4+2]+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1432 d[3] = (in4ub[x*4+3]+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1433 pixel[x*4+0] = d[0];
1434 pixel[x*4+1] = d[1];
1435 pixel[x*4+2] = d[2];
1436 pixel[x*4+3] = d[3];
1439 case DPSOFTRAST_BLENDMODE_INVMOD:
1440 for (x = startx;x < endx;x++)
1444 pixel[x*4+0] = ((255-in4ub[x*4+0])*pixel[x*4+0])>>8;
1445 pixel[x*4+1] = ((255-in4ub[x*4+1])*pixel[x*4+1])>>8;
1446 pixel[x*4+2] = ((255-in4ub[x*4+2])*pixel[x*4+2])>>8;
1447 pixel[x*4+3] = ((255-in4ub[x*4+3])*pixel[x*4+3])>>8;
1450 case DPSOFTRAST_BLENDMODE_MUL:
1451 for (x = startx;x < endx;x++)
1455 pixel[x*4+0] = (in4ub[x*4+0]*pixel[x*4+0])>>8;
1456 pixel[x*4+1] = (in4ub[x*4+1]*pixel[x*4+1])>>8;
1457 pixel[x*4+2] = (in4ub[x*4+2]*pixel[x*4+2])>>8;
1458 pixel[x*4+3] = (in4ub[x*4+3]*pixel[x*4+3])>>8;
1461 case DPSOFTRAST_BLENDMODE_MUL2:
1462 for (x = startx;x < endx;x++)
1466 d[0] = (in4ub[x*4+0]*pixel[x*4+0])>>7;if (d[0] > 255) d[0] = 255;
1467 d[1] = (in4ub[x*4+1]*pixel[x*4+1])>>7;if (d[1] > 255) d[1] = 255;
1468 d[2] = (in4ub[x*4+2]*pixel[x*4+2])>>7;if (d[2] > 255) d[2] = 255;
1469 d[3] = (in4ub[x*4+3]*pixel[x*4+3])>>7;if (d[3] > 255) d[3] = 255;
1470 pixel[x*4+0] = d[0];
1471 pixel[x*4+1] = d[1];
1472 pixel[x*4+2] = d[2];
1473 pixel[x*4+3] = d[3];
1476 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1477 for (x = startx;x < endx;x++)
1482 d[0] = pixel[x*4+0]-((in4ub[x*4+0]*a)>>8);if (d[0] < 0) d[0] = 0;
1483 d[1] = pixel[x*4+1]-((in4ub[x*4+1]*a)>>8);if (d[1] < 0) d[1] = 0;
1484 d[2] = pixel[x*4+2]-((in4ub[x*4+2]*a)>>8);if (d[2] < 0) d[2] = 0;
1485 d[3] = pixel[x*4+3]-((in4ub[x*4+3]*a)>>8);if (d[3] < 0) d[3] = 0;
1486 pixel[x*4+0] = d[0];
1487 pixel[x*4+1] = d[1];
1488 pixel[x*4+2] = d[2];
1489 pixel[x*4+3] = d[3];
1492 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1493 for (x = startx;x < endx;x++)
1497 b = 255 - in4ub[x*4+3];
1498 d[0] = in4ub[x*4+0]+((pixel[x*4+0]*b)>>8);if (d[0] > 255) d[0] = 255;
1499 d[1] = in4ub[x*4+1]+((pixel[x*4+1]*b)>>8);if (d[1] > 255) d[1] = 255;
1500 d[2] = in4ub[x*4+2]+((pixel[x*4+2]*b)>>8);if (d[2] > 255) d[2] = 255;
1501 d[3] = in4ub[x*4+3]+((pixel[x*4+3]*b)>>8);if (d[3] > 255) d[3] = 255;
1502 pixel[x*4+0] = d[0];
1503 pixel[x*4+1] = d[1];
1504 pixel[x*4+2] = d[2];
1505 pixel[x*4+3] = d[3];
1511 void DPSOFTRAST_Draw_Span_Texture2DVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float * RESTRICT out4f, int texunitindex, int arrayindex, const float * RESTRICT zf)
1514 int startx = span->startx;
1515 int endx = span->endx;
1520 float tc[2], endtc[2];
1522 unsigned int tci[2];
1523 unsigned int tci1[2];
1524 unsigned int tcimin[2];
1525 unsigned int tcimax[2];
1530 const unsigned char * RESTRICT pixelbase;
1531 const unsigned char * RESTRICT pixel[4];
1532 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1533 // if no texture is bound, just fill it with white
1536 for (x = startx;x < endx;x++)
1538 out4f[x*4+0] = 1.0f;
1539 out4f[x*4+1] = 1.0f;
1540 out4f[x*4+2] = 1.0f;
1541 out4f[x*4+3] = 1.0f;
1545 mip = span->mip[texunitindex];
1546 // if this mipmap of the texture is 1 pixel, just fill it with that color
1547 if (texture->mipmap[mip][1] == 4)
1549 c[0] = texture->bytes[2] * (1.0f/255.0f);
1550 c[1] = texture->bytes[1] * (1.0f/255.0f);
1551 c[2] = texture->bytes[0] * (1.0f/255.0f);
1552 c[3] = texture->bytes[3] * (1.0f/255.0f);
1553 for (x = startx;x < endx;x++)
1555 out4f[x*4+0] = c[0];
1556 out4f[x*4+1] = c[1];
1557 out4f[x*4+2] = c[2];
1558 out4f[x*4+3] = c[3];
1562 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1563 data[0] = span->data[0][arrayindex][0];
1564 data[1] = span->data[0][arrayindex][1];
1565 data[2] = span->data[0][arrayindex][2];
1566 data[3] = span->data[0][arrayindex][3];
1567 slope[0] = span->data[1][arrayindex][0];
1568 slope[1] = span->data[1][arrayindex][1];
1569 slope[2] = span->data[1][arrayindex][2];
1570 slope[3] = span->data[1][arrayindex][3];
1571 flags = texture->flags;
1572 pixelbase = (unsigned char *)texture->bytes + texture->mipmap[mip][0];
1573 tcscale[0] = texture->mipmap[mip][2];
1574 tcscale[1] = texture->mipmap[mip][3];
1575 tciwidth = texture->mipmap[mip][2];
1578 tcimax[0] = texture->mipmap[mip][2]-1;
1579 tcimax[1] = texture->mipmap[mip][3]-1;
1580 tciwrapmask[0] = texture->mipmap[mip][2]-1;
1581 tciwrapmask[1] = texture->mipmap[mip][3]-1;
1582 endtc[0] = (data[0] + slope[0]*startx) * zf[startx] * tcscale[0] - 0.5f;
1583 endtc[1] = (data[1] + slope[1]*startx) * zf[startx] * tcscale[1] - 0.5f;
1584 for (x = startx;x < endx;)
1586 unsigned int subtc[2];
1587 unsigned int substep[2];
1588 float subscale = 65536.0f/DPSOFTRAST_MAXSUBSPAN;
1589 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1592 nextsub = endsub = endx-1;
1593 if(x < nextsub) subscale = 65536.0f / (nextsub - x);
1597 endtc[0] = (data[0] + slope[0]*nextsub) * zf[nextsub] * tcscale[0] - 0.5f;
1598 endtc[1] = (data[1] + slope[1]*nextsub) * zf[nextsub] * tcscale[1] - 0.5f;
1599 substep[0] = (endtc[0] - tc[0]) * subscale;
1600 substep[1] = (endtc[1] - tc[1]) * subscale;
1601 subtc[0] = tc[0] * (1<<16);
1602 subtc[1] = tc[1] * (1<<16);
1605 if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1607 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1609 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1610 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1611 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1612 tci[0] = subtc[0]>>16;
1613 tci[1] = subtc[1]>>16;
1614 tci1[0] = tci[0] + 1;
1615 tci1[1] = tci[1] + 1;
1616 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1617 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1618 tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
1619 tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
1620 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1621 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1622 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1623 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1624 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);
1625 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);
1626 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);
1627 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);
1628 out4f[x*4+0] = c[0];
1629 out4f[x*4+1] = c[1];
1630 out4f[x*4+2] = c[2];
1631 out4f[x*4+3] = c[3];
1636 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1638 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1639 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1640 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1641 tci[0] = subtc[0]>>16;
1642 tci[1] = subtc[1]>>16;
1643 tci1[0] = tci[0] + 1;
1644 tci1[1] = tci[1] + 1;
1645 tci[0] &= tciwrapmask[0];
1646 tci[1] &= tciwrapmask[1];
1647 tci1[0] &= tciwrapmask[0];
1648 tci1[1] &= tciwrapmask[1];
1649 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1650 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1651 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1652 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1653 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);
1654 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);
1655 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);
1656 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);
1657 out4f[x*4+0] = c[0];
1658 out4f[x*4+1] = c[1];
1659 out4f[x*4+2] = c[2];
1660 out4f[x*4+3] = c[3];
1664 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1666 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1668 tci[0] = subtc[0]>>16;
1669 tci[1] = subtc[1]>>16;
1670 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1671 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1672 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1673 c[0] = pixel[0][2] * (1.0f / 255.0f);
1674 c[1] = pixel[0][1] * (1.0f / 255.0f);
1675 c[2] = pixel[0][0] * (1.0f / 255.0f);
1676 c[3] = pixel[0][3] * (1.0f / 255.0f);
1677 out4f[x*4+0] = c[0];
1678 out4f[x*4+1] = c[1];
1679 out4f[x*4+2] = c[2];
1680 out4f[x*4+3] = c[3];
1685 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1687 tci[0] = subtc[0]>>16;
1688 tci[1] = subtc[1]>>16;
1689 tci[0] &= tciwrapmask[0];
1690 tci[1] &= tciwrapmask[1];
1691 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1692 c[0] = pixel[0][2] * (1.0f / 255.0f);
1693 c[1] = pixel[0][1] * (1.0f / 255.0f);
1694 c[2] = pixel[0][0] * (1.0f / 255.0f);
1695 c[3] = pixel[0][3] * (1.0f / 255.0f);
1696 out4f[x*4+0] = c[0];
1697 out4f[x*4+1] = c[1];
1698 out4f[x*4+2] = c[2];
1699 out4f[x*4+3] = c[3];
1705 void DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1709 int startx = span->startx;
1710 int endx = span->endx;
1712 __m128 data, slope, tcscale;
1713 __m128i tcsize, tcmask, tcoffset, tcmax;
1715 __m128i subtc, substep, endsubtc;
1718 unsigned int *outi = (unsigned int *)out4ub;
1719 const unsigned char * RESTRICT pixelbase;
1720 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1721 // if no texture is bound, just fill it with white
1724 memset(out4ub + startx*4, 255, span->length*4);
1727 mip = span->mip[texunitindex];
1728 // if this mipmap of the texture is 1 pixel, just fill it with that color
1729 if (texture->mipmap[mip][1] == 4)
1731 unsigned int k = *((const unsigned int *)texture->bytes);
1732 for (x = startx;x < endx;x++)
1736 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1737 data = _mm_load_ps(span->data[0][arrayindex]);
1738 slope = _mm_load_ps(span->data[1][arrayindex]);
1739 flags = texture->flags;
1740 pixelbase = (const unsigned char *)texture->bytes + texture->mipmap[mip][0];
1741 tcsize = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i *)&texture->mipmap[mip][0]), _MM_SHUFFLE(3, 2, 3, 2));
1742 tcmask = _mm_sub_epi32(tcsize, _mm_set1_epi32(1));
1743 tcscale = _mm_cvtepi32_ps(tcsize);
1744 data = _mm_mul_ps(_mm_shuffle_ps(data, data, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
1745 slope = _mm_mul_ps(_mm_shuffle_ps(slope, slope, _MM_SHUFFLE(1, 0, 1, 0)), tcscale);
1746 endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))), _mm_set1_ps(zf[startx])), _mm_set1_ps(0.5f));
1747 endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
1748 tcoffset = _mm_add_epi32(_mm_slli_epi32(_mm_shuffle_epi32(tcsize, _MM_SHUFFLE(0, 0, 0, 0)), 18), _mm_set1_epi32(4));
1749 tcmax = filter ? _mm_packs_epi32(tcmask, tcmask) : _mm_slli_epi32(tcmask, 16);
1750 for (x = startx;x < endx;)
1752 int nextsub = x + DPSOFTRAST_MAXSUBSPAN, endsub = nextsub - 1;
1753 __m128 subscale = _mm_set1_ps(65536.0f/DPSOFTRAST_MAXSUBSPAN);
1756 nextsub = endsub = endx-1;
1757 if(x < nextsub) subscale = _mm_set1_ps(65536.0f / (nextsub - x));
1761 endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(nextsub))), _mm_set1_ps(zf[nextsub])), _mm_set1_ps(0.5f));
1762 substep = _mm_cvtps_epi32(_mm_mul_ps(_mm_sub_ps(endtc, tc), subscale));
1763 endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
1766 __m128i tcrange = _mm_srai_epi32(_mm_unpacklo_epi64(subtc, endsubtc), 16);
1767 if (_mm_movemask_epi8(_mm_andnot_si128(_mm_cmplt_epi32(tcrange, _mm_setzero_si128()), _mm_cmplt_epi32(tcrange, tcmask))) == 0xFFFF)
1769 subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
1770 substep = _mm_slli_epi32(substep, 1);
1771 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1773 __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, pix3, pix4, fracm;
1774 tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0x10000)), tcoffset);
1775 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
1776 pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]), _mm_setzero_si128());
1777 pix3 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]), _mm_setzero_si128());
1778 pix4 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))]), _mm_setzero_si128());
1779 fracm = _mm_srli_epi16(subtc, 1);
1780 pix1 = _mm_add_epi16(pix1,
1781 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1782 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1783 pix3 = _mm_add_epi16(pix3,
1784 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix3), 1),
1785 _mm_shuffle_epi32(_mm_shufflehi_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(3, 2, 3, 2))));
1786 pix2 = _mm_unpacklo_epi64(pix1, pix3);
1787 pix4 = _mm_unpackhi_epi64(pix1, pix3);
1788 pix2 = _mm_add_epi16(pix2,
1789 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix4, pix2), 1),
1790 _mm_shufflehi_epi16(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0)), _MM_SHUFFLE(0, 0, 0, 0))));
1791 _mm_storel_epi64((__m128i *)&outi[x], _mm_packus_epi16(pix2, _mm_shufflelo_epi16(pix2, _MM_SHUFFLE(3, 2, 3, 2))));
1795 __m128i tci = _mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1796 tci = _mm_madd_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 0x10000, 0, 0)), tcoffset);
1797 pix1 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(tci)]), _mm_setzero_si128());
1798 pix2 = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))]), _mm_setzero_si128());
1799 fracm = _mm_srli_epi16(subtc, 1);
1800 pix1 = _mm_add_epi16(pix1,
1801 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1802 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1803 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1804 pix1 = _mm_add_epi16(pix1,
1805 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1806 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1807 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1811 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1813 for (; x <= endsub; x++, subtc = _mm_add_epi32(subtc, substep))
1815 __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1816 tci = _mm_min_epi16(_mm_max_epi16(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), _mm_setzero_si128()), tcmax);
1817 tci = _mm_madd_epi16(tci, tcoffset);
1818 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
1819 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
1820 _mm_setzero_si128());
1821 pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
1822 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
1823 _mm_setzero_si128());
1824 fracm = _mm_srli_epi16(subtc, 1);
1825 pix1 = _mm_add_epi16(pix1,
1826 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1827 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1828 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1829 pix1 = _mm_add_epi16(pix1,
1830 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1831 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1832 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1837 for (; x <= endsub; x++, subtc = _mm_add_epi32(subtc, substep))
1839 __m128i tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(subtc, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1)), pix1, pix2, fracm;
1840 tci = _mm_and_si128(_mm_add_epi16(tci, _mm_setr_epi32(0, 1, 0x10000, 0x10001)), tcmax);
1841 tci = _mm_madd_epi16(tci, tcoffset);
1842 pix1 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(tci)]),
1843 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))])),
1844 _mm_setzero_si128());
1845 pix2 = _mm_unpacklo_epi8(_mm_unpacklo_epi32(_mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(2, 2, 2, 2)))]),
1846 _mm_cvtsi32_si128(*(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(3, 3, 3, 3)))])),
1847 _mm_setzero_si128());
1848 fracm = _mm_srli_epi16(subtc, 1);
1849 pix1 = _mm_add_epi16(pix1,
1850 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1851 _mm_shuffle_epi32(_mm_shufflelo_epi16(fracm, _MM_SHUFFLE(2, 2, 2, 2)), _MM_SHUFFLE(1, 0, 1, 0))));
1852 pix2 = _mm_shuffle_epi32(pix1, _MM_SHUFFLE(3, 2, 3, 2));
1853 pix1 = _mm_add_epi16(pix1,
1854 _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(pix2, pix1), 1),
1855 _mm_shufflelo_epi16(fracm, _MM_SHUFFLE(0, 0, 0, 0))));
1856 outi[x] = _mm_cvtsi128_si32(_mm_packus_epi16(pix1, pix1));
1862 subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
1863 substep = _mm_slli_epi32(substep, 1);
1864 if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1866 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1868 __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
1869 tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
1870 tci = _mm_madd_epi16(tci, tcoffset);
1871 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1872 outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
1876 __m128i tci = _mm_min_epi16(_mm_max_epi16(subtc, _mm_setzero_si128()), tcmax);
1877 tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
1878 tci = _mm_madd_epi16(tci, tcoffset);
1879 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1885 for (; x + 1 <= endsub; x += 2, subtc = _mm_add_epi32(subtc, substep))
1887 __m128i tci = _mm_and_si128(subtc, tcmax);
1888 tci = _mm_shufflehi_epi16(_mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1)), _MM_SHUFFLE(3, 1, 3, 1));
1889 tci = _mm_madd_epi16(tci, tcoffset);
1890 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1891 outi[x+1] = *(const int *)&pixelbase[_mm_cvtsi128_si32(_mm_shuffle_epi32(tci, _MM_SHUFFLE(1, 1, 1, 1)))];
1895 __m128i tci = _mm_and_si128(subtc, tcmax);
1896 tci = _mm_shufflelo_epi16(tci, _MM_SHUFFLE(3, 1, 3, 1));
1897 tci = _mm_madd_epi16(tci, tcoffset);
1898 outi[x] = *(const int *)&pixelbase[_mm_cvtsi128_si32(tci)];
1907 void DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1910 memset(out4ub, 255, span->length*4);
1913 float DPSOFTRAST_SampleShadowmap(const float *vector)
1919 void DPSOFTRAST_Draw_Span_MultiplyVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, int arrayindex, const float *zf)
1922 int startx = span->startx;
1923 int endx = span->endx;
1928 data[0] = span->data[0][arrayindex][0];
1929 data[1] = span->data[0][arrayindex][1];
1930 data[2] = span->data[0][arrayindex][2];
1931 data[3] = span->data[0][arrayindex][3];
1932 slope[0] = span->data[1][arrayindex][0];
1933 slope[1] = span->data[1][arrayindex][1];
1934 slope[2] = span->data[1][arrayindex][2];
1935 slope[3] = span->data[1][arrayindex][3];
1936 for (x = startx;x < endx;x++)
1939 c[0] = (data[0] + slope[0]*x) * z;
1940 c[1] = (data[1] + slope[1]*x) * z;
1941 c[2] = (data[2] + slope[2]*x) * z;
1942 c[3] = (data[3] + slope[3]*x) * z;
1943 out4f[x*4+0] = in4f[x*4+0] * c[0];
1944 out4f[x*4+1] = in4f[x*4+1] * c[1];
1945 out4f[x*4+2] = in4f[x*4+2] * c[2];
1946 out4f[x*4+3] = in4f[x*4+3] * c[3];
1950 void DPSOFTRAST_Draw_Span_Varying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, int arrayindex, const float *zf)
1953 int startx = span->startx;
1954 int endx = span->endx;
1959 data[0] = span->data[0][arrayindex][0];
1960 data[1] = span->data[0][arrayindex][1];
1961 data[2] = span->data[0][arrayindex][2];
1962 data[3] = span->data[0][arrayindex][3];
1963 slope[0] = span->data[1][arrayindex][0];
1964 slope[1] = span->data[1][arrayindex][1];
1965 slope[2] = span->data[1][arrayindex][2];
1966 slope[3] = span->data[1][arrayindex][3];
1967 for (x = startx;x < endx;x++)
1970 c[0] = (data[0] + slope[0]*x) * z;
1971 c[1] = (data[1] + slope[1]*x) * z;
1972 c[2] = (data[2] + slope[2]*x) * z;
1973 c[3] = (data[3] + slope[3]*x) * z;
1974 out4f[x*4+0] = c[0];
1975 out4f[x*4+1] = c[1];
1976 out4f[x*4+2] = c[2];
1977 out4f[x*4+3] = c[3];
1981 void DPSOFTRAST_Draw_Span_AddBloom(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f, const float *subcolor)
1983 int x, startx = span->startx, endx = span->endx;
1984 float c[4], localcolor[4];
1985 localcolor[0] = subcolor[0];
1986 localcolor[1] = subcolor[1];
1987 localcolor[2] = subcolor[2];
1988 localcolor[3] = subcolor[3];
1989 for (x = startx;x < endx;x++)
1991 c[0] = inb4f[x*4+0] - localcolor[0];if (c[0] < 0.0f) c[0] = 0.0f;
1992 c[1] = inb4f[x*4+1] - localcolor[1];if (c[1] < 0.0f) c[1] = 0.0f;
1993 c[2] = inb4f[x*4+2] - localcolor[2];if (c[2] < 0.0f) c[2] = 0.0f;
1994 c[3] = inb4f[x*4+3] - localcolor[3];if (c[3] < 0.0f) c[3] = 0.0f;
1995 out4f[x*4+0] = ina4f[x*4+0] + c[0];
1996 out4f[x*4+1] = ina4f[x*4+1] + c[1];
1997 out4f[x*4+2] = ina4f[x*4+2] + c[2];
1998 out4f[x*4+3] = ina4f[x*4+3] + c[3];
2002 void DPSOFTRAST_Draw_Span_MultiplyBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2004 int x, startx = span->startx, endx = span->endx;
2005 for (x = startx;x < endx;x++)
2007 out4f[x*4+0] = ina4f[x*4+0] * inb4f[x*4+0];
2008 out4f[x*4+1] = ina4f[x*4+1] * inb4f[x*4+1];
2009 out4f[x*4+2] = ina4f[x*4+2] * inb4f[x*4+2];
2010 out4f[x*4+3] = ina4f[x*4+3] * inb4f[x*4+3];
2014 void DPSOFTRAST_Draw_Span_AddBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2016 int x, startx = span->startx, endx = span->endx;
2017 for (x = startx;x < endx;x++)
2019 out4f[x*4+0] = ina4f[x*4+0] + inb4f[x*4+0];
2020 out4f[x*4+1] = ina4f[x*4+1] + inb4f[x*4+1];
2021 out4f[x*4+2] = ina4f[x*4+2] + inb4f[x*4+2];
2022 out4f[x*4+3] = ina4f[x*4+3] + inb4f[x*4+3];
2026 void DPSOFTRAST_Draw_Span_MixBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2028 int x, startx = span->startx, endx = span->endx;
2030 for (x = startx;x < endx;x++)
2032 a = 1.0f - inb4f[x*4+3];
2034 out4f[x*4+0] = ina4f[x*4+0] * a + inb4f[x*4+0] * b;
2035 out4f[x*4+1] = ina4f[x*4+1] * a + inb4f[x*4+1] * b;
2036 out4f[x*4+2] = ina4f[x*4+2] * a + inb4f[x*4+2] * b;
2037 out4f[x*4+3] = ina4f[x*4+3] * a + inb4f[x*4+3] * b;
2041 void DPSOFTRAST_Draw_Span_MixUniformColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, const float *color)
2043 int x, startx = span->startx, endx = span->endx;
2044 float localcolor[4], ilerp, lerp;
2045 localcolor[0] = color[0];
2046 localcolor[1] = color[1];
2047 localcolor[2] = color[2];
2048 localcolor[3] = color[3];
2049 ilerp = 1.0f - localcolor[3];
2050 lerp = localcolor[3];
2051 for (x = startx;x < endx;x++)
2053 out4f[x*4+0] = in4f[x*4+0] * ilerp + localcolor[0] * lerp;
2054 out4f[x*4+1] = in4f[x*4+1] * ilerp + localcolor[1] * lerp;
2055 out4f[x*4+2] = in4f[x*4+2] * ilerp + localcolor[2] * lerp;
2056 out4f[x*4+3] = in4f[x*4+3] * ilerp + localcolor[3] * lerp;
2062 void DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, int arrayindex, const float *zf)
2065 int startx = span->startx;
2066 int endx = span->endx;
2070 data[2] = span->data[0][arrayindex][0];
2071 data[1] = span->data[0][arrayindex][1];
2072 data[0] = span->data[0][arrayindex][2];
2073 data[3] = span->data[0][arrayindex][3];
2074 slope[2] = span->data[1][arrayindex][0];
2075 slope[1] = span->data[1][arrayindex][1];
2076 slope[0] = span->data[1][arrayindex][2];
2077 slope[3] = span->data[1][arrayindex][3];
2078 for (x = startx;x < endx;x++)
2081 out4ub[x*4+0] = (int)(in4ub[x*4+0] * (data[0] + slope[0]*x) * z);
2082 out4ub[x*4+1] = (int)(in4ub[x*4+1] * (data[1] + slope[1]*x) * z);
2083 out4ub[x*4+2] = (int)(in4ub[x*4+2] * (data[2] + slope[2]*x) * z);
2084 out4ub[x*4+3] = (int)(in4ub[x*4+3] * (data[3] + slope[3]*x) * z);
2088 void DPSOFTRAST_Draw_Span_VaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, int arrayindex, const float *zf)
2091 int startx = span->startx;
2092 int endx = span->endx;
2096 data[2] = span->data[0][arrayindex][0]*255.0f;
2097 data[1] = span->data[0][arrayindex][1]*255.0f;
2098 data[0] = span->data[0][arrayindex][2]*255.0f;
2099 data[3] = span->data[0][arrayindex][3]*255.0f;
2100 slope[2] = span->data[1][arrayindex][0]*255.0f;
2101 slope[1] = span->data[1][arrayindex][1]*255.0f;
2102 slope[0] = span->data[1][arrayindex][2]*255.0f;
2103 slope[3] = span->data[1][arrayindex][3]*255.0f;
2104 for (x = startx;x < endx;x++)
2107 out4ub[x*4+0] = (int)((data[0] + slope[0]*x) * z);
2108 out4ub[x*4+1] = (int)((data[1] + slope[1]*x) * z);
2109 out4ub[x*4+2] = (int)((data[2] + slope[2]*x) * z);
2110 out4ub[x*4+3] = (int)((data[3] + slope[3]*x) * z);
2114 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)
2116 int x, startx = span->startx, endx = span->endx;
2117 int c[4], localcolor[4];
2118 localcolor[2] = (int)(subcolor[0] * 255.0f);
2119 localcolor[1] = (int)(subcolor[1] * 255.0f);
2120 localcolor[0] = (int)(subcolor[2] * 255.0f);
2121 localcolor[3] = (int)(subcolor[3] * 255.0f);
2122 for (x = startx;x < endx;x++)
2124 c[0] = inb4ub[x*4+0] - localcolor[0];if (c[0] < 0) c[0] = 0;
2125 c[1] = inb4ub[x*4+1] - localcolor[1];if (c[1] < 0) c[1] = 0;
2126 c[2] = inb4ub[x*4+2] - localcolor[2];if (c[2] < 0) c[2] = 0;
2127 c[3] = inb4ub[x*4+3] - localcolor[3];if (c[3] < 0) c[3] = 0;
2128 c[0] += ina4ub[x*4+0];if (c[0] > 255) c[0] = 255;
2129 c[1] += ina4ub[x*4+1];if (c[1] > 255) c[1] = 255;
2130 c[2] += ina4ub[x*4+2];if (c[2] > 255) c[2] = 255;
2131 c[3] += ina4ub[x*4+3];if (c[3] > 255) c[3] = 255;
2132 out4ub[x*4+0] = c[0];
2133 out4ub[x*4+1] = c[1];
2134 out4ub[x*4+2] = c[2];
2135 out4ub[x*4+3] = c[3];
2139 void DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2141 int x, startx = span->startx, endx = span->endx;
2142 for (x = startx;x < endx;x++)
2144 out4ub[x*4+0] = (ina4ub[x*4+0] * inb4ub[x*4+0])>>8;
2145 out4ub[x*4+1] = (ina4ub[x*4+1] * inb4ub[x*4+1])>>8;
2146 out4ub[x*4+2] = (ina4ub[x*4+2] * inb4ub[x*4+2])>>8;
2147 out4ub[x*4+3] = (ina4ub[x*4+3] * inb4ub[x*4+3])>>8;
2151 void DPSOFTRAST_Draw_Span_AddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2153 int x, startx = span->startx, endx = span->endx;
2155 for (x = startx;x < endx;x++)
2157 d[0] = ina4ub[x*4+0] + inb4ub[x*4+0];if (d[0] > 255) d[0] = 255;
2158 d[1] = ina4ub[x*4+1] + inb4ub[x*4+1];if (d[1] > 255) d[1] = 255;
2159 d[2] = ina4ub[x*4+2] + inb4ub[x*4+2];if (d[2] > 255) d[2] = 255;
2160 d[3] = ina4ub[x*4+3] + inb4ub[x*4+3];if (d[3] > 255) d[3] = 255;
2161 out4ub[x*4+0] = d[0];
2162 out4ub[x*4+1] = d[1];
2163 out4ub[x*4+2] = d[2];
2164 out4ub[x*4+3] = d[3];
2168 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)
2170 int x, startx = span->startx, endx = span->endx;
2173 b[0] = (int)(inbtintbgra[0] * 256.0f);
2174 b[1] = (int)(inbtintbgra[1] * 256.0f);
2175 b[2] = (int)(inbtintbgra[2] * 256.0f);
2176 b[3] = (int)(inbtintbgra[3] * 256.0f);
2177 for (x = startx;x < endx;x++)
2179 d[0] = ina4ub[x*4+0] + ((inb4ub[x*4+0]*b[0])>>8);if (d[0] > 255) d[0] = 255;
2180 d[1] = ina4ub[x*4+1] + ((inb4ub[x*4+1]*b[1])>>8);if (d[1] > 255) d[1] = 255;
2181 d[2] = ina4ub[x*4+2] + ((inb4ub[x*4+2]*b[2])>>8);if (d[2] > 255) d[2] = 255;
2182 d[3] = ina4ub[x*4+3] + ((inb4ub[x*4+3]*b[3])>>8);if (d[3] > 255) d[3] = 255;
2183 out4ub[x*4+0] = d[0];
2184 out4ub[x*4+1] = d[1];
2185 out4ub[x*4+2] = d[2];
2186 out4ub[x*4+3] = d[3];
2190 void DPSOFTRAST_Draw_Span_MixBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2192 int x, startx = span->startx, endx = span->endx;
2194 for (x = startx;x < endx;x++)
2196 a = 256 - inb4ub[x*4+3];
2198 out4ub[x*4+0] = (ina4ub[x*4+0] * a + inb4ub[x*4+0] * b)>>8;
2199 out4ub[x*4+1] = (ina4ub[x*4+1] * a + inb4ub[x*4+1] * b)>>8;
2200 out4ub[x*4+2] = (ina4ub[x*4+2] * a + inb4ub[x*4+2] * b)>>8;
2201 out4ub[x*4+3] = (ina4ub[x*4+3] * a + inb4ub[x*4+3] * b)>>8;
2205 void DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, const float *color)
2207 int x, startx = span->startx, endx = span->endx;
2208 int localcolor[4], ilerp, lerp;
2209 localcolor[2] = (int)(color[0]*255.0f);
2210 localcolor[1] = (int)(color[1]*255.0f);
2211 localcolor[0] = (int)(color[2]*255.0f);
2212 localcolor[3] = (int)(color[3]*255.0f);
2213 ilerp = 256 - localcolor[3];
2214 lerp = localcolor[3];
2215 for (x = startx;x < endx;x++)
2217 out4ub[x*4+0] = (in4ub[x*4+0] * ilerp + localcolor[0] * lerp)>>8;
2218 out4ub[x*4+1] = (in4ub[x*4+1] * ilerp + localcolor[1] * lerp)>>8;
2219 out4ub[x*4+2] = (in4ub[x*4+2] * ilerp + localcolor[2] * lerp)>>8;
2220 out4ub[x*4+3] = (in4ub[x*4+3] * ilerp + localcolor[3] * lerp)>>8;
2226 void DPSOFTRAST_VertexShader_Generic(void)
2228 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);
2229 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2230 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2231 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2232 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2235 void DPSOFTRAST_PixelShader_Generic(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2237 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2238 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2239 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2240 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2241 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2242 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2244 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_FIRST, 2, buffer_z);
2245 DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(span, buffer_FragColorbgra8, buffer_texture_colorbgra8, 1, buffer_z);
2246 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2248 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_SECOND, 2, buffer_z);
2249 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2252 DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2254 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2257 DPSOFTRAST_Draw_Span_AddBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2259 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
2262 DPSOFTRAST_Draw_Span_MixBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2267 DPSOFTRAST_Draw_Span_VaryingBGRA8(span, buffer_FragColorbgra8, 1, buffer_z);
2268 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2273 void DPSOFTRAST_VertexShader_PostProcess(void)
2275 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);
2276 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2277 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2280 void DPSOFTRAST_PixelShader_PostProcess(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2282 // TODO: optimize!! at the very least there is no reason to use texture sampling on the frame texture
2283 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2284 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2285 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2286 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2287 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_FragColorbgra8, GL20TU_FIRST, 2, buffer_z);
2288 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_BLOOM)
2290 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_SECOND, 3, buffer_z);
2291 DPSOFTRAST_Draw_Span_AddBloomBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_colorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_BloomColorSubtract * 4);
2293 DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_ViewTintColor * 4);
2294 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SATURATION)
2296 // TODO: implement saturation
2298 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GAMMARAMPS)
2300 // TODO: implement gammaramps
2302 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2307 void DPSOFTRAST_VertexShader_Depth_Or_Shadow(void)
2309 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);
2312 void DPSOFTRAST_PixelShader_Depth_Or_Shadow(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2314 // this is never called (because colormask is off when this shader is used)
2315 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2316 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2317 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2318 memset(buffer_FragColorbgra8, 0, span->length*4);
2319 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2324 void DPSOFTRAST_VertexShader_FlatColor(void)
2326 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);
2327 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);
2330 void DPSOFTRAST_PixelShader_FlatColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2332 int x, startx = span->startx, endx = span->endx;
2333 int Color_Ambienti[4];
2334 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2335 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2336 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2337 Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]*256.0f);
2338 Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]*256.0f);
2339 Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]*256.0f);
2340 Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] *256.0f);
2341 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2342 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2343 for (x = startx;x < endx;x++)
2345 buffer_FragColorbgra8[x*4+0] = (buffer_texture_colorbgra8[x*4+0] * Color_Ambienti[0])>>8;
2346 buffer_FragColorbgra8[x*4+1] = (buffer_texture_colorbgra8[x*4+1] * Color_Ambienti[1])>>8;
2347 buffer_FragColorbgra8[x*4+2] = (buffer_texture_colorbgra8[x*4+2] * Color_Ambienti[2])>>8;
2348 buffer_FragColorbgra8[x*4+3] = (buffer_texture_colorbgra8[x*4+3] * Color_Ambienti[3])>>8;
2350 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2355 void DPSOFTRAST_VertexShader_VertexColor(void)
2357 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);
2358 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2359 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);
2362 void DPSOFTRAST_PixelShader_VertexColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2364 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2365 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2366 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2367 int x, startx = span->startx, endx = span->endx;
2368 float Color_Ambient[4], Color_Diffuse[4];
2372 int arrayindex = DPSOFTRAST_ARRAY_COLOR;
2373 data[2] = span->data[0][arrayindex][0];
2374 data[1] = span->data[0][arrayindex][1];
2375 data[0] = span->data[0][arrayindex][2];
2376 data[3] = span->data[0][arrayindex][3];
2377 slope[2] = span->data[1][arrayindex][0];
2378 slope[1] = span->data[1][arrayindex][1];
2379 slope[0] = span->data[1][arrayindex][2];
2380 slope[3] = span->data[1][arrayindex][3];
2381 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2382 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2383 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2384 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2385 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2386 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2387 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2388 Color_Diffuse[3] = 0.0f;
2389 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2390 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2391 for (x = startx;x < endx;x++)
2394 buffer_FragColorbgra8[x*4+0] = (int)(buffer_texture_colorbgra8[x*4+0] * (Color_Ambient[0] + ((data[0] + slope[0]*x) * z) * Color_Diffuse[0]));
2395 buffer_FragColorbgra8[x*4+1] = (int)(buffer_texture_colorbgra8[x*4+1] * (Color_Ambient[1] + ((data[1] + slope[1]*x) * z) * Color_Diffuse[1]));
2396 buffer_FragColorbgra8[x*4+2] = (int)(buffer_texture_colorbgra8[x*4+2] * (Color_Ambient[2] + ((data[2] + slope[2]*x) * z) * Color_Diffuse[2]));
2397 buffer_FragColorbgra8[x*4+3] = (int)(buffer_texture_colorbgra8[x*4+3] * (Color_Ambient[3] + ((data[3] + slope[3]*x) * z) * Color_Diffuse[3]));
2399 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2404 void DPSOFTRAST_VertexShader_Lightmap(void)
2406 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);
2407 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);
2408 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2411 void DPSOFTRAST_PixelShader_Lightmap(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2414 unsigned char * RESTRICT pixelmask = span->pixelmask;
2415 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4;
2416 int x, startx = span->startx, endx = span->endx;
2417 __m128i Color_Ambientm, Color_Diffusem, Color_Glowm, Color_AmbientGlowm;
2418 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2419 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2420 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2421 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2422 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2423 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2424 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2425 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_LIGHTMAP, DPSOFTRAST_ARRAY_TEXCOORD4, buffer_z);
2426 if (dpsoftrast.user.alphatest || dpsoftrast.fb_blendmode != DPSOFTRAST_BLENDMODE_OPAQUE)
2427 pixel = buffer_FragColorbgra8;
2428 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));
2429 Color_Ambientm = _mm_and_si128(Color_Ambientm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2430 Color_Ambientm = _mm_or_si128(Color_Ambientm, _mm_setr_epi32(0, 0, 0, (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0]*255.0f)));
2431 Color_Ambientm = _mm_packs_epi32(Color_Ambientm, Color_Ambientm);
2432 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));
2433 Color_Diffusem = _mm_and_si128(Color_Diffusem, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2434 Color_Diffusem = _mm_packs_epi32(Color_Diffusem, Color_Diffusem);
2435 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2437 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2438 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));
2439 Color_Glowm = _mm_and_si128(Color_Glowm, _mm_setr_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0));
2440 Color_Glowm = _mm_packs_epi32(Color_Glowm, Color_Glowm);
2441 Color_AmbientGlowm = _mm_unpacklo_epi64(Color_Ambientm, Color_Glowm);
2442 for (x = startx;x < endx;x++)
2444 __m128i color, lightmap, glow, pix;
2445 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2448 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2449 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2450 glow = _mm_loadu_si128((const __m128i *)&buffer_texture_glowbgra8[x*4]);
2451 pix = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2452 _mm_unpacklo_epi8(_mm_setzero_si128(), color)),
2453 _mm_mulhi_epu16(Color_Glowm, _mm_unpacklo_epi8(_mm_setzero_si128(), glow)));
2454 pix2 = _mm_add_epi16(_mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2455 _mm_unpackhi_epi8(_mm_setzero_si128(), color)),
2456 _mm_mulhi_epu16(Color_Glowm, _mm_unpackhi_epi8(_mm_setzero_si128(), glow)));
2457 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2463 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2464 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2465 glow = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_glowbgra8[x*4]));
2466 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, lightmap), Color_AmbientGlowm), _mm_unpacklo_epi64(color, glow));
2467 pix = _mm_add_epi16(pix, _mm_shuffle_epi32(pix, _MM_SHUFFLE(3, 2, 3, 2)));
2468 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2473 for (x = startx;x < endx;x++)
2475 __m128i color, lightmap, pix;
2476 if (x + 4 <= endx && *(const unsigned int *)&pixelmask[x] == 0x01010101)
2479 color = _mm_loadu_si128((const __m128i *)&buffer_texture_colorbgra8[x*4]);
2480 lightmap = _mm_loadu_si128((const __m128i *)&buffer_texture_lightmapbgra8[x*4]);
2481 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpacklo_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2482 _mm_unpacklo_epi8(_mm_setzero_si128(), color));
2483 pix2 = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(Color_Diffusem, _mm_unpackhi_epi8(_mm_setzero_si128(), lightmap)), Color_Ambientm),
2484 _mm_unpackhi_epi8(_mm_setzero_si128(), color));
2485 _mm_storeu_si128((__m128i *)&pixel[x*4], _mm_packus_epi16(pix, pix2));
2491 color = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_colorbgra8[x*4]));
2492 lightmap = _mm_unpacklo_epi8(_mm_setzero_si128(), _mm_cvtsi32_si128(*(const int *)&buffer_texture_lightmapbgra8[x*4]));
2493 pix = _mm_mulhi_epu16(_mm_add_epi16(_mm_mulhi_epu16(lightmap, Color_Diffusem), Color_Ambientm), color);
2494 *(int *)&pixel[x*4] = _mm_cvtsi128_si32(_mm_packus_epi16(pix, pix));
2497 if(pixel == buffer_FragColorbgra8)
2498 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2504 void DPSOFTRAST_VertexShader_FakeLight(void)
2506 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);
2509 void DPSOFTRAST_PixelShader_FakeLight(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2512 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2513 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2514 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2515 memset(buffer_FragColorbgra8, 0, span->length*4);
2516 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2521 void DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace(void)
2523 DPSOFTRAST_VertexShader_Lightmap();
2526 void DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2528 DPSOFTRAST_PixelShader_Lightmap(span);
2534 void DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace(void)
2536 DPSOFTRAST_VertexShader_Lightmap();
2539 void DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2541 DPSOFTRAST_PixelShader_Lightmap(span);
2547 void DPSOFTRAST_VertexShader_LightDirection(void)
2550 int numvertices = dpsoftrast.draw.numvertices;
2552 float LightVector[4];
2553 float EyePosition[4];
2554 float EyeVectorModelSpace[4];
2560 LightDir[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+0];
2561 LightDir[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+1];
2562 LightDir[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+2];
2563 LightDir[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+3];
2564 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2565 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2566 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2567 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2568 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);
2569 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);
2570 for (i = 0;i < numvertices;i++)
2572 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2573 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2574 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2575 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2576 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2577 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2578 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2579 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2580 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2581 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2582 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2583 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2584 LightVector[0] = svector[0] * LightDir[0] + svector[1] * LightDir[1] + svector[2] * LightDir[2];
2585 LightVector[1] = tvector[0] * LightDir[0] + tvector[1] * LightDir[1] + tvector[2] * LightDir[2];
2586 LightVector[2] = normal[0] * LightDir[0] + normal[1] * LightDir[1] + normal[2] * LightDir[2];
2587 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2588 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2589 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2590 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2591 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2592 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2593 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2594 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2595 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2596 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2597 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2598 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2599 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2600 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2604 #define DPSOFTRAST_Min(a,b) ((a) < (b) ? (a) : (b))
2605 #define DPSOFTRAST_Max(a,b) ((a) > (b) ? (a) : (b))
2606 #define DPSOFTRAST_Vector3Dot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
2607 #define DPSOFTRAST_Vector3LengthSquared(v) (DPSOFTRAST_Vector3Dot((v),(v)))
2608 #define DPSOFTRAST_Vector3Length(v) (sqrt(DPSOFTRAST_Vector3LengthSquared(v)))
2609 #define DPSOFTRAST_Vector3Normalize(v)\
2612 float len = sqrt(DPSOFTRAST_Vector3Dot(v,v));\
2623 void DPSOFTRAST_PixelShader_LightDirection(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2625 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2626 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2627 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2628 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2629 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2630 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2631 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2632 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2633 int x, startx = span->startx, endx = span->endx;
2634 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2635 float LightVectordata[4];
2636 float LightVectorslope[4];
2637 float EyeVectordata[4];
2638 float EyeVectorslope[4];
2640 float diffusetex[4];
2642 float surfacenormal[4];
2643 float lightnormal[4];
2645 float specularnormal[4];
2648 float SpecularPower;
2650 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2651 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2652 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2653 Color_Glow[3] = 0.0f;
2654 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2655 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2656 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2657 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2658 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2659 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2660 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2661 Color_Pants[3] = 0.0f;
2662 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2663 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2664 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2665 Color_Shirt[3] = 0.0f;
2666 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2667 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2668 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2670 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2671 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2673 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2675 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2677 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2679 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2680 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2681 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2682 Color_Diffuse[3] = 0.0f;
2683 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2684 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2685 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2686 LightColor[3] = 0.0f;
2687 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2688 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2689 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2690 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2691 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2692 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2693 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2694 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2695 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2696 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2697 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2698 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2699 Color_Specular[3] = 0.0f;
2700 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2701 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2702 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2703 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2704 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2705 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2706 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2707 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2708 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2709 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2710 for (x = startx;x < endx;x++)
2713 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2714 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2715 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2716 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2717 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2719 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
2720 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
2721 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
2722 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
2724 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
2725 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
2726 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
2727 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
2728 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2729 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2730 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2731 DPSOFTRAST_Vector3Normalize(surfacenormal);
2733 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2734 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2735 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2736 DPSOFTRAST_Vector3Normalize(lightnormal);
2738 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
2739 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
2740 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
2741 DPSOFTRAST_Vector3Normalize(eyenormal);
2743 specularnormal[0] = lightnormal[0] + eyenormal[0];
2744 specularnormal[1] = lightnormal[1] + eyenormal[1];
2745 specularnormal[2] = lightnormal[2] + eyenormal[2];
2746 DPSOFTRAST_Vector3Normalize(specularnormal);
2748 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2749 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
2750 specular = pow(specular, SpecularPower * glosstex[3]);
2751 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2753 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;
2754 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;
2755 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;
2756 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2760 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;
2761 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;
2762 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;
2763 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2765 buffer_FragColorbgra8[x*4+0] = d[0];
2766 buffer_FragColorbgra8[x*4+1] = d[1];
2767 buffer_FragColorbgra8[x*4+2] = d[2];
2768 buffer_FragColorbgra8[x*4+3] = d[3];
2771 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2773 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2774 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2775 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2776 Color_Diffuse[3] = 0.0f;
2777 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2778 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2779 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2780 LightColor[3] = 0.0f;
2781 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2782 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2783 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2784 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2785 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2786 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2787 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2788 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2789 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2790 for (x = startx;x < endx;x++)
2793 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2794 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2795 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2796 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2797 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2798 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2799 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2800 DPSOFTRAST_Vector3Normalize(surfacenormal);
2802 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2803 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2804 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2805 DPSOFTRAST_Vector3Normalize(lightnormal);
2807 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2808 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2810 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;
2811 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;
2812 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;
2813 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2817 d[0] = (int)( + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255;
2818 d[1] = (int)( + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255;
2819 d[2] = (int)( + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * 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;
2822 buffer_FragColorbgra8[x*4+0] = d[0];
2823 buffer_FragColorbgra8[x*4+1] = d[1];
2824 buffer_FragColorbgra8[x*4+2] = d[2];
2825 buffer_FragColorbgra8[x*4+3] = d[3];
2830 for (x = startx;x < endx;x++)
2833 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2834 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2835 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2836 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2838 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2840 d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2841 d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2842 d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2843 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2847 d[0] = (int)( diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2848 d[1] = (int)( diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2849 d[2] = (int)( diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2850 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2852 buffer_FragColorbgra8[x*4+0] = d[0];
2853 buffer_FragColorbgra8[x*4+1] = d[1];
2854 buffer_FragColorbgra8[x*4+2] = d[2];
2855 buffer_FragColorbgra8[x*4+3] = d[3];
2858 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2863 void DPSOFTRAST_VertexShader_LightSource(void)
2866 int numvertices = dpsoftrast.draw.numvertices;
2867 float LightPosition[4];
2868 float LightVector[4];
2869 float LightVectorModelSpace[4];
2870 float EyePosition[4];
2871 float EyeVectorModelSpace[4];
2877 LightPosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+0];
2878 LightPosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+1];
2879 LightPosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+2];
2880 LightPosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+3];
2881 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2882 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2883 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2884 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2885 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);
2886 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);
2887 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);
2888 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2889 for (i = 0;i < numvertices;i++)
2891 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2892 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2893 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2894 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2895 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2896 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2897 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2898 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2899 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2900 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2901 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2902 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2903 LightVectorModelSpace[0] = LightPosition[0] - position[0];
2904 LightVectorModelSpace[1] = LightPosition[1] - position[1];
2905 LightVectorModelSpace[2] = LightPosition[2] - position[2];
2906 LightVector[0] = svector[0] * LightVectorModelSpace[0] + svector[1] * LightVectorModelSpace[1] + svector[2] * LightVectorModelSpace[2];
2907 LightVector[1] = tvector[0] * LightVectorModelSpace[0] + tvector[1] * LightVectorModelSpace[1] + tvector[2] * LightVectorModelSpace[2];
2908 LightVector[2] = normal[0] * LightVectorModelSpace[0] + normal[1] * LightVectorModelSpace[1] + normal[2] * LightVectorModelSpace[2];
2909 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2910 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2911 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2912 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2913 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2914 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2915 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2916 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2917 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2918 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2919 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2920 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2921 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2922 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2926 void DPSOFTRAST_PixelShader_LightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2928 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2929 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2930 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2931 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2932 unsigned char buffer_texture_cubebgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2933 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2934 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2935 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2936 int x, startx = span->startx, endx = span->endx;
2937 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2938 float CubeVectordata[4];
2939 float CubeVectorslope[4];
2940 float LightVectordata[4];
2941 float LightVectorslope[4];
2942 float EyeVectordata[4];
2943 float EyeVectorslope[4];
2945 float diffusetex[4];
2947 float surfacenormal[4];
2948 float lightnormal[4];
2950 float specularnormal[4];
2953 float SpecularPower;
2954 float CubeVector[4];
2957 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2958 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2959 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2960 Color_Glow[3] = 0.0f;
2961 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2962 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2963 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2964 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2965 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2966 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2967 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2968 Color_Diffuse[3] = 0.0f;
2969 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2970 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2971 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2972 Color_Specular[3] = 0.0f;
2973 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2974 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2975 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2976 Color_Pants[3] = 0.0f;
2977 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2978 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2979 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2980 Color_Shirt[3] = 0.0f;
2981 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2982 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2983 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2984 LightColor[3] = 0.0f;
2985 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2986 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2987 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2988 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2989 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2990 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2991 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2992 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2993 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2994 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2995 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2996 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2997 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2998 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2999 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
3000 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
3001 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
3002 CubeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3003 CubeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3004 CubeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3005 CubeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3006 CubeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3007 CubeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3008 CubeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3009 CubeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3010 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3011 memset(buffer_FragColorbgra8 + startx*4, 0, (endx-startx)*4); // clear first, because we skip writing black pixels, and there are a LOT of them...
3012 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3013 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3015 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3016 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3018 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3019 DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(span, buffer_texture_cubebgra8, GL20TU_CUBE, DPSOFTRAST_ARRAY_TEXCOORD3, buffer_z);
3020 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
3022 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3023 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3024 for (x = startx;x < endx;x++)
3027 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3028 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3029 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3030 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3031 if (attenuation < 0.01f)
3033 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3035 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3036 if (attenuation < 0.01f)
3040 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3041 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3042 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3043 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3044 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3046 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3047 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3048 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3049 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3051 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
3052 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
3053 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
3054 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
3055 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3056 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3057 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3058 DPSOFTRAST_Vector3Normalize(surfacenormal);
3060 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3061 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3062 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3063 DPSOFTRAST_Vector3Normalize(lightnormal);
3065 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
3066 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
3067 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
3068 DPSOFTRAST_Vector3Normalize(eyenormal);
3070 specularnormal[0] = lightnormal[0] + eyenormal[0];
3071 specularnormal[1] = lightnormal[1] + eyenormal[1];
3072 specularnormal[2] = lightnormal[2] + eyenormal[2];
3073 DPSOFTRAST_Vector3Normalize(specularnormal);
3075 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3076 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
3077 specular = pow(specular, SpecularPower * glosstex[3]);
3078 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3080 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3081 attenuation *= (1.0f / 255.0f);
3082 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;
3083 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;
3084 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;
3085 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3089 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;
3090 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;
3091 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;
3092 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3094 buffer_FragColorbgra8[x*4+0] = d[0];
3095 buffer_FragColorbgra8[x*4+1] = d[1];
3096 buffer_FragColorbgra8[x*4+2] = d[2];
3097 buffer_FragColorbgra8[x*4+3] = d[3];
3100 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
3102 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3103 for (x = startx;x < endx;x++)
3106 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3107 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3108 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3109 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3110 if (attenuation < 0.01f)
3112 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3114 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3115 if (attenuation < 0.01f)
3119 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3120 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3121 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3122 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3123 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3125 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3126 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3127 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3128 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3130 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3131 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3132 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3133 DPSOFTRAST_Vector3Normalize(surfacenormal);
3135 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3136 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3137 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3138 DPSOFTRAST_Vector3Normalize(lightnormal);
3140 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3141 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3143 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3144 attenuation *= (1.0f / 255.0f);
3145 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;
3146 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;
3147 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;
3148 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3152 d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3153 d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3154 d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3155 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3157 buffer_FragColorbgra8[x*4+0] = d[0];
3158 buffer_FragColorbgra8[x*4+1] = d[1];
3159 buffer_FragColorbgra8[x*4+2] = d[2];
3160 buffer_FragColorbgra8[x*4+3] = d[3];
3165 for (x = startx;x < endx;x++)
3168 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3169 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3170 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3171 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3172 if (attenuation < 0.01f)
3174 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3176 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3177 if (attenuation < 0.01f)
3181 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3182 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3183 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3184 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3185 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3187 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3188 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3189 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3190 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3192 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3194 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3195 attenuation *= (1.0f / 255.0f);
3196 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
3197 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
3198 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
3199 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3203 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3204 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3205 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3206 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3208 buffer_FragColorbgra8[x*4+0] = d[0];
3209 buffer_FragColorbgra8[x*4+1] = d[1];
3210 buffer_FragColorbgra8[x*4+2] = d[2];
3211 buffer_FragColorbgra8[x*4+3] = d[3];
3214 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3219 void DPSOFTRAST_VertexShader_Refraction(void)
3221 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);
3224 void DPSOFTRAST_PixelShader_Refraction(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3227 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3228 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3229 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3230 memset(buffer_FragColorbgra8, 0, span->length*4);
3231 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3236 void DPSOFTRAST_VertexShader_Water(void)
3238 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);
3242 void DPSOFTRAST_PixelShader_Water(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3245 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3246 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3247 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3248 memset(buffer_FragColorbgra8, 0, span->length*4);
3249 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3254 void DPSOFTRAST_VertexShader_ShowDepth(void)
3256 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);
3259 void DPSOFTRAST_PixelShader_ShowDepth(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3262 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3263 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3264 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3265 memset(buffer_FragColorbgra8, 0, span->length*4);
3266 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3271 void DPSOFTRAST_VertexShader_DeferredGeometry(void)
3273 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);
3276 void DPSOFTRAST_PixelShader_DeferredGeometry(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3279 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3280 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3281 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3282 memset(buffer_FragColorbgra8, 0, span->length*4);
3283 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3288 void DPSOFTRAST_VertexShader_DeferredLightSource(void)
3290 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);
3293 void DPSOFTRAST_PixelShader_DeferredLightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3296 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3297 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3298 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3299 memset(buffer_FragColorbgra8, 0, span->length*4);
3300 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3305 typedef struct DPSOFTRAST_ShaderModeInfo_s
3308 void (*Vertex)(void);
3309 void (*Span)(const DPSOFTRAST_State_Draw_Span * RESTRICT span);
3311 DPSOFTRAST_ShaderModeInfo;
3313 DPSOFTRAST_ShaderModeInfo DPSOFTRAST_ShaderModeTable[SHADERMODE_COUNT] =
3315 {2, DPSOFTRAST_VertexShader_Generic, DPSOFTRAST_PixelShader_Generic, },
3316 {2, DPSOFTRAST_VertexShader_PostProcess, DPSOFTRAST_PixelShader_PostProcess, },
3317 {2, DPSOFTRAST_VertexShader_Depth_Or_Shadow, DPSOFTRAST_PixelShader_Depth_Or_Shadow, },
3318 {2, DPSOFTRAST_VertexShader_FlatColor, DPSOFTRAST_PixelShader_FlatColor, },
3319 {2, DPSOFTRAST_VertexShader_VertexColor, DPSOFTRAST_PixelShader_VertexColor, },
3320 {2, DPSOFTRAST_VertexShader_Lightmap, DPSOFTRAST_PixelShader_Lightmap, },
3321 {2, DPSOFTRAST_VertexShader_FakeLight, DPSOFTRAST_PixelShader_FakeLight, },
3322 {2, DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace, DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace, },
3323 {2, DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace, DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace},
3324 {2, DPSOFTRAST_VertexShader_LightDirection, DPSOFTRAST_PixelShader_LightDirection, },
3325 {2, DPSOFTRAST_VertexShader_LightSource, DPSOFTRAST_PixelShader_LightSource, },
3326 {2, DPSOFTRAST_VertexShader_Refraction, DPSOFTRAST_PixelShader_Refraction, },
3327 {2, DPSOFTRAST_VertexShader_Water, DPSOFTRAST_PixelShader_Water, },
3328 {2, DPSOFTRAST_VertexShader_ShowDepth, DPSOFTRAST_PixelShader_ShowDepth, },
3329 {2, DPSOFTRAST_VertexShader_DeferredGeometry, DPSOFTRAST_PixelShader_DeferredGeometry, },
3330 {2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, }
3335 void DPSOFTRAST_Draw_ProcessSpans(void)
3341 int numspans = dpsoftrast.draw.numspans;
3343 // unsigned int *colorpixel;
3344 unsigned int *depthpixel;
3350 DPSOFTRAST_State_Draw_Span *span = dpsoftrast.draw.spanqueue;
3351 unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3352 for (i = 0;i < numspans;i++, span++)
3354 w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
3355 wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
3356 if (dpsoftrast.user.depthtest && dpsoftrast.fb_depthpixels)
3358 depth = (int)(w*DPSOFTRAST_DEPTHSCALE);
3359 depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
3360 depthpixel = dpsoftrast.fb_depthpixels + span->start;
3361 switch(dpsoftrast.fb_depthfunc)
3364 case GL_ALWAYS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = true; break;
3365 case GL_LESS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
3366 case GL_LEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
3367 case GL_EQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
3368 case GL_GEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
3369 case GL_GREATER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
3370 case GL_NEVER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = false; break;
3372 //colorpixel = dpsoftrast.fb_colorpixels[0] + span->start;
3373 //for (x = 0;x < span->length;x++)
3374 // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000);
3375 // if there is no color buffer, skip pixel shader
3377 endx = span->length;
3378 while (startx < endx && !pixelmask[startx])
3380 while (endx > startx && !pixelmask[endx-1])
3383 continue; // no pixels to fill
3384 span->pixelmask = pixelmask;
3385 span->startx = startx;
3387 // run pixel shader if appropriate
3388 // do this before running depthmask code, to allow the pixelshader
3389 // to clear pixelmask values for alpha testing
3390 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3391 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3392 if (dpsoftrast.user.depthmask)
3393 for (x = 0, d = depth;x < span->length;x++, d += depthslope)
3399 // no depth testing means we're just dealing with color...
3400 // if there is no color buffer, skip pixel shader
3401 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3403 memset(pixelmask, 1, span->length);
3404 span->pixelmask = pixelmask;
3406 span->endx = span->length;
3407 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3413 void DPSOFTRAST_Draw_ProcessTriangles(int firstvertex, int numtriangles, const int *element3i, const unsigned short *element3s, unsigned char *arraymask)
3416 int cullface = dpsoftrast.user.cullface;
3417 int width = dpsoftrast.fb_width;
3418 int height = dpsoftrast.fb_height;
3424 ALIGN(int screeny[4]);
3435 float mip_edge0tc[2];
3436 float mip_edge1tc[2];
3437 float mip_edge0xy[2];
3438 float mip_edge1xy[2];
3439 float mip_edge0xymul;
3440 float mip_edge1xymul;
3444 unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS];
3458 //float trianglearea2;
3459 __m128 triangleedge[2];
3460 __m128 trianglenormal;
3461 ALIGN(float clipdist[4]);
3462 ALIGN(float clipped[DPSOFTRAST_ARRAY_TOTAL][4][4]);
3463 ALIGN(float screen[4][4]);
3464 __m128 proj[DPSOFTRAST_ARRAY_TOTAL][4];
3465 DPSOFTRAST_Texture *texture;
3466 DPSOFTRAST_State_Draw_Span *span;
3467 DPSOFTRAST_State_Draw_Span *oldspan;
3468 for (i = 0;i < numtriangles;i++)
3470 // generate the 3 edges of this triangle
3471 // generate spans for the triangle - switch based on left split or right split classification of triangle
3474 e[0] = element3i[i*3+0] - firstvertex;
3475 e[1] = element3i[i*3+1] - firstvertex;
3476 e[2] = element3i[i*3+2] - firstvertex;
3480 e[0] = element3s[i*3+0] - firstvertex;
3481 e[1] = element3s[i*3+1] - firstvertex;
3482 e[2] = element3s[i*3+2] - firstvertex;
3491 __m128 v1 = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4]);
3492 triangleedge[0] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4]), v1);
3493 triangleedge[1] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4]), v1);
3495 // store normal in 2, 0, 1 order instead of 0, 1, 2 as it requires fewer shuffles and leaves z component accessible as scalar
3496 trianglenormal = _mm_sub_ps(_mm_mul_ps(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))),
3497 _mm_mul_ps(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1]));
3499 trianglenormal[2] = triangleedge[0][0] * triangleedge[1][1] - triangleedge[0][1] * triangleedge[1][0];
3500 trianglenormal[0] = triangleedge[0][1] * triangleedge[1][2] - triangleedge[0][2] * triangleedge[1][1];
3501 trianglenormal[1] = triangleedge[0][2] * triangleedge[1][0] - triangleedge[0][0] * triangleedge[1][2];
3503 // apply current cullface mode (this culls many triangles)
3507 if (_mm_ucomilt_ss(trianglenormal, _mm_setzero_ps()))
3511 if (_mm_ucomigt_ss(trianglenormal, _mm_setzero_ps()))
3516 trianglearea2 = trianglenormal[0] * trianglenormal[0] + trianglenormal[1] * trianglenormal[1] + trianglenormal[2] * trianglenormal[2];
3517 // skip degenerate triangles, nothing good can come from them...
3518 if (trianglearea2 == 0.0f)
3522 // calculate distance from nearplane
3523 clipdist[0] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+2] + 1.0f;
3524 clipdist[1] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+2] + 1.0f;
3525 clipdist[2] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+2] + 1.0f;
3527 if (clipdist[0] < 0.0f)
3529 if (clipdist[1] < 0.0f)
3531 if (clipdist[2] < 0.0f)
3533 // clip triangle if necessary
3537 // triangle is entirely in front of nearplane
3539 // macros for clipping vertices
3540 #define CLIPPEDVERTEXLERP(k,p1,p2) \
3541 frac = clipdist[p1] / (clipdist[p1] - clipdist[p2]);\
3542 ifrac = 1.0f - frac;\
3543 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3545 /*if (arraymask[j])*/\
3547 clipped[j][k][0] = dpsoftrast.draw.post_array4f[j][e[p1]*4+0]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+0]*frac;\
3548 clipped[j][k][1] = dpsoftrast.draw.post_array4f[j][e[p1]*4+1]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+1]*frac;\
3549 clipped[j][k][2] = dpsoftrast.draw.post_array4f[j][e[p1]*4+2]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+2]*frac;\
3550 clipped[j][k][3] = dpsoftrast.draw.post_array4f[j][e[p1]*4+3]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+3]*frac;\
3553 DPSOFTRAST_Draw_ProjectVertices(screen[k], clipped[DPSOFTRAST_ARRAY_POSITION][k], 1)
3554 #define CLIPPEDVERTEXCOPY(k,p1) \
3555 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3557 /*if (arraymask[j])*/\
3559 clipped[j][k][0] = dpsoftrast.draw.post_array4f[j][e[p1]*4+0];\
3560 clipped[j][k][1] = dpsoftrast.draw.post_array4f[j][e[p1]*4+1];\
3561 clipped[j][k][2] = dpsoftrast.draw.post_array4f[j][e[p1]*4+2];\
3562 clipped[j][k][3] = dpsoftrast.draw.post_array4f[j][e[p1]*4+3];\
3565 screen[k][0] = dpsoftrast.draw.screencoord4f[e[p1]*4+0];\
3566 screen[k][1] = dpsoftrast.draw.screencoord4f[e[p1]*4+1];\
3567 screen[k][2] = dpsoftrast.draw.screencoord4f[e[p1]*4+2];\
3568 screen[k][3] = dpsoftrast.draw.screencoord4f[e[p1]*4+3];
3570 CLIPPEDVERTEXCOPY(0,0);
3571 CLIPPEDVERTEXCOPY(1,1);
3572 CLIPPEDVERTEXCOPY(2,2);
3576 CLIPPEDVERTEXLERP(0,0,1);
3577 CLIPPEDVERTEXCOPY(1,1);
3578 CLIPPEDVERTEXCOPY(2,2);
3579 CLIPPEDVERTEXLERP(3,2,0);
3583 CLIPPEDVERTEXCOPY(0,0);
3584 CLIPPEDVERTEXLERP(1,0,1);
3585 CLIPPEDVERTEXLERP(2,1,2);
3586 CLIPPEDVERTEXCOPY(3,2);
3590 CLIPPEDVERTEXLERP(0,1,2);
3591 CLIPPEDVERTEXCOPY(1,2);
3592 CLIPPEDVERTEXLERP(2,2,0);
3596 CLIPPEDVERTEXCOPY(0,0);
3597 CLIPPEDVERTEXCOPY(1,1);
3598 CLIPPEDVERTEXLERP(2,1,2);
3599 CLIPPEDVERTEXLERP(3,2,0);
3603 CLIPPEDVERTEXLERP(0,0,1);
3604 CLIPPEDVERTEXCOPY(1,1);
3605 CLIPPEDVERTEXLERP(2,1,2);
3609 CLIPPEDVERTEXCOPY(0,0);
3610 CLIPPEDVERTEXLERP(1,0,1);
3611 CLIPPEDVERTEXLERP(2,2,0);
3615 // triangle is entirely behind nearplane
3619 // calculate integer y coords for triangle points
3620 __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))),
3621 _mm_cvttps_epi32(_mm_shuffle_ps(_mm_load_ps(screen[2]), _mm_load_ps(screen[3]), _MM_SHUFFLE(1, 0, 1, 0)))),
3622 screenir, screenmin, screenmax;
3623 if (numpoints <= 3) screeni = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(2, 2, 1, 0));
3624 screenir = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(1, 0, 3, 2)),
3625 screenmin = _mm_min_epi16(screeni, screenir);
3626 screenmax = _mm_max_epi16(screeni, screenir);
3627 screenmin = _mm_min_epi16(screenmin, _mm_shufflelo_epi16(screenmin, _MM_SHUFFLE(1, 0, 3, 2)));
3628 screenmax = _mm_max_epi16(screenmax, _mm_shufflelo_epi16(screenmax, _MM_SHUFFLE(1, 0, 3, 2)));
3629 screenmin = _mm_max_epi16(screenmin, _mm_setzero_si128());
3630 screenmax = _mm_min_epi16(screenmax, _mm_setr_epi16(width-1, height-1, 0, 0, 0, 0, 0, 0));
3631 // skip offscreen triangles
3633 __m128i cc = _mm_cmplt_epi16(screenmax, screenmin);
3634 if (_mm_extract_epi16(cc, 0)|_mm_extract_epi16(cc, 1))
3637 starty = _mm_extract_epi16(screenmin, 1);
3638 endy = _mm_extract_epi16(screenmax, 1)+1;
3639 _mm_store_si128((__m128i *)screeny, _mm_srai_epi32(screeni, 16));
3642 // okay, this triangle is going to produce spans, we'd better project
3643 // the interpolants now (this is what gives perspective texturing),
3644 // this consists of simply multiplying all arrays by the W coord
3645 // (which is basically 1/Z), which will be undone per-pixel
3646 // (multiplying by Z again) to get the perspective-correct array
3648 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3652 for (k = 0;k < numpoints;k++)
3654 proj[j][k] = _mm_mul_ps(_mm_load_ps(clipped[j][k]), _mm_set1_ps(screen[k][3]));
3658 // adjust texture LOD by texture density, in the simplest way possible...
3659 mip_edge0xy[0] = screen[0][0] - screen[1][0];
3660 mip_edge0xy[1] = screen[0][1] - screen[1][1];
3661 mip_edge1xy[0] = screen[2][0] - screen[1][0];
3662 mip_edge1xy[1] = screen[2][1] - screen[1][1];
3663 mip_edge0xymul = 1.0f / (mip_edge0xy[0]*mip_edge0xy[0]+mip_edge0xy[1]*mip_edge0xy[1]);
3664 mip_edge1xymul = 1.0f / (mip_edge1xy[0]*mip_edge1xy[0]+mip_edge1xy[1]*mip_edge1xy[1]);
3665 for (j = 0;j < DPSOFTRAST_MAXTEXTUREUNITS;j++)
3667 texture = dpsoftrast.texbound[j];
3670 if (texture->filter <= DPSOFTRAST_TEXTURE_FILTER_LINEAR)
3675 k = DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].lodarrayindex;
3676 mip_edge0tc[0] = (clipped[k][0][0] - clipped[k][1][0]) * texture->mipmap[0][2];
3677 mip_edge0tc[1] = (clipped[k][0][1] - clipped[k][1][1]) * texture->mipmap[0][3];
3678 mip_edge1tc[0] = (clipped[k][2][0] - clipped[k][1][0]) * texture->mipmap[0][2];
3679 mip_edge1tc[1] = (clipped[k][2][1] - clipped[k][1][1]) * texture->mipmap[0][3];
3680 mip_edge0mip = (mip_edge0tc[0]*mip_edge0tc[0]+mip_edge0tc[1]*mip_edge0tc[1]) * mip_edge0xymul;
3681 mip_edge1mip = (mip_edge1tc[0]*mip_edge1tc[0]+mip_edge1tc[1]*mip_edge1tc[1]) * mip_edge1xymul;
3682 // this will be multiplied in the texturing routine by the texture resolution
3683 mipdensity = mip_edge0mip < mip_edge1mip ? mip_edge0mip : mip_edge1mip;
3684 y = (int)(log(mipdensity)/log(2.0f));
3687 if (y > texture->mipmaps - 1)
3688 y = texture->mipmaps - 1;
3692 // iterate potential spans
3693 // TODO: optimize? if we figured out the edge order beforehand, this
3694 // could do loops over the edges in the proper order rather than
3695 // selecting them for each span
3696 // TODO: optimize? the edges could have data slopes calculated
3697 // TODO: optimize? the data slopes could be calculated as a plane
3698 // (2D slopes) to avoid any interpolation along edges at all
3699 for (y = starty;y < endy;y++)
3701 // get center of pixel y
3703 // do the compares all at once
3704 screenyless[0] = y <= screeny[0];
3705 screenyless[1] = y <= screeny[1];
3706 screenyless[2] = y <= screeny[2];
3707 screenyless[3] = y <= screeny[3];
3710 switch(screenyless[0] + screenyless[1] * 2 + screenyless[2] * 4 + screenyless[3] * 8)
3712 case 0: /*0000*/ continue;
3713 case 1: /*1000*/ edge0p = 3;edge0n = 0;edge1p = 0;edge1n = 1;break;
3714 case 2: /*0100*/ edge0p = 0;edge0n = 1;edge1p = 1;edge1n = 2;break;
3715 case 3: /*1100*/ edge0p = 3;edge0n = 0;edge1p = 1;edge1n = 2;break;
3716 case 4: /*0010*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 3;break;
3717 case 5: /*1010*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 3;break; // concave - nonsense
3718 case 6: /*0110*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 3;break;
3719 case 7: /*1110*/ edge0p = 3;edge0n = 0;edge1p = 2;edge1n = 3;break;
3720 case 8: /*0001*/ edge0p = 2;edge0n = 3;edge1p = 3;edge1n = 0;break;
3721 case 9: /*1001*/ edge0p = 2;edge0n = 3;edge1p = 0;edge1n = 1;break;
3722 case 10: /*0101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break; // concave - nonsense
3723 case 11: /*1101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break;
3724 case 12: /*0011*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 0;break;
3725 case 13: /*1011*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 1;break;
3726 case 14: /*0111*/ edge0p = 0;edge0n = 1;edge1p = 3;edge1n = 0;break;
3727 case 15: /*1111*/ continue;
3732 switch(screenyless[0] + screenyless[1] * 2 + screenyless[2] * 4)
3734 case 0: /*000*/ continue;
3735 case 1: /*100*/ edge0p = 2;edge0n = 0;edge1p = 0;edge1n = 1;break;
3736 case 2: /*010*/ edge0p = 0;edge0n = 1;edge1p = 1;edge1n = 2;break;
3737 case 3: /*110*/ edge0p = 2;edge0n = 0;edge1p = 1;edge1n = 2;break;
3738 case 4: /*001*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 0;break;
3739 case 5: /*101*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 1;break;
3740 case 6: /*011*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 0;break;
3741 case 7: /*111*/ continue;
3751 for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3753 if (screenyless[k] && !screenyless[j])
3759 else if (screenyless[j] && !screenyless[k])
3766 if (foundedges != 3)
3768 if (cedge0p != edge0p || cedge0n != edge0n || cedge1p != edge1p || cedge1n != edge1n)
3771 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);
3773 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);
3777 edge0ylerp = (yc - screen[edge0p][1]) / (screen[edge0n][1] - screen[edge0p][1]);
3778 edge1ylerp = (yc - screen[edge1p][1]) / (screen[edge1n][1] - screen[edge1p][1]);
3779 if (edge0ylerp < 0 || edge0ylerp > 1 || edge1ylerp < 0 || edge1ylerp > 1)
3781 edge0yilerp = 1.0f - edge0ylerp;
3782 edge1yilerp = 1.0f - edge1ylerp;
3783 edge0xf = screen[edge0p][0] * edge0yilerp + screen[edge0n][0] * edge0ylerp;
3784 edge1xf = screen[edge1p][0] * edge1yilerp + screen[edge1n][0] * edge1ylerp;
3785 if (edge0xf < edge1xf)
3795 startx = (int)ceil(startxf);
3796 endx = (int)ceil(endxf);
3803 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); }
3804 spanilength = 1.0f / (endxf - startxf);
3805 startxlerp = startx - startxf;
3806 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3807 memcpy(span->mip, mip, sizeof(span->mip));
3808 span->start = y * width + startx;
3809 span->length = endx - startx;
3811 __m128 edge0ylerpm = _mm_set1_ps(edge0ylerp), edge0yilerpm = _mm_set1_ps(edge0yilerp),
3812 edge1ylerpm = _mm_set1_ps(edge1ylerp), edge1yilerpm = _mm_set1_ps(edge1yilerp),
3813 spanilengthm = _mm_set1_ps(spanilength), startxlerpm = _mm_set1_ps(startxlerp),
3815 j = DPSOFTRAST_ARRAY_TOTAL;
3816 if (edge0xf < edge1xf)
3818 data0 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge0p]), edge0yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge0n]), edge0ylerpm));
3819 data1 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge1p]), edge1yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge1n]), edge1ylerpm));
3820 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3821 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3822 _mm_store_ps(span->data[0][j], data0);
3823 _mm_store_ps(span->data[1][j], data1);
3824 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3828 data0 = _mm_add_ps(_mm_mul_ps(proj[j][edge0p], edge0yilerpm), _mm_mul_ps(proj[j][edge0n], edge0ylerpm));
3829 data1 = _mm_add_ps(_mm_mul_ps(proj[j][edge1p], edge1yilerpm), _mm_mul_ps(proj[j][edge1n], edge1ylerpm));
3830 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3831 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3832 _mm_store_ps(span->data[0][j], data0);
3833 _mm_store_ps(span->data[1][j], data1);
3839 data0 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge1p]), edge1yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge1n]), edge1ylerpm));
3840 data1 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge0p]), edge0yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge0n]), edge0ylerpm));
3841 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3842 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3843 _mm_store_ps(span->data[0][j], data0);
3844 _mm_store_ps(span->data[1][j], data1);
3845 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3849 data0 = _mm_add_ps(_mm_mul_ps(proj[j][edge1p], edge1yilerpm), _mm_mul_ps(proj[j][edge1n], edge1ylerpm));
3850 data1 = _mm_add_ps(_mm_mul_ps(proj[j][edge0p], edge0yilerpm), _mm_mul_ps(proj[j][edge0n], edge0ylerpm));
3851 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3852 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3853 _mm_store_ps(span->data[0][j], data0);
3854 _mm_store_ps(span->data[1][j], data1);
3859 // to keep the shader routines from needing more than a small
3860 // buffer for pixel intermediate data, we split long spans...
3861 while (span->length > DPSOFTRAST_DRAW_MAXSPANLENGTH)
3863 __m128 maxspanlengthm;
3864 span->length = DPSOFTRAST_DRAW_MAXSPANLENGTH;
3865 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3867 DPSOFTRAST_Draw_ProcessSpans();
3868 dpsoftrast.draw.numspans = 0;
3871 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3873 startx += DPSOFTRAST_DRAW_MAXSPANLENGTH;
3874 span->start = y * width + startx;
3875 span->length = endx - startx;
3876 j = DPSOFTRAST_ARRAY_TOTAL;
3877 maxspanlengthm = _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH);
3878 _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)));
3879 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3883 _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)));
3887 // after all that, we have a span suitable for the pixel shader...
3888 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3890 DPSOFTRAST_Draw_ProcessSpans();
3891 dpsoftrast.draw.numspans = 0;
3894 // draw outlines over triangle for debugging
3895 // for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3896 // DPSOFTRAST_Draw_DebugEdgePoints(screen[k], screen[j]);
3898 if (dpsoftrast.draw.numspans)
3900 DPSOFTRAST_Draw_ProcessSpans();
3901 dpsoftrast.draw.numspans = 0;
3906 void DPSOFTRAST_Draw_DebugPoints(void)
3911 int numvertices = dpsoftrast.draw.numvertices;
3912 int w = dpsoftrast.fb_width;
3914 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
3916 bounds[0] = dpsoftrast.fb_viewportscissor[0];
3917 bounds[1] = dpsoftrast.fb_viewportscissor[1];
3918 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
3919 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
3920 for (i = 0;i < numvertices;i++)
3923 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
3925 x = (int)(dpsoftrast.draw.screencoord4f[i*4+0]);
3926 y = (int)(dpsoftrast.draw.screencoord4f[i*4+1]);
3927 //x = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 0.5f);
3928 //y = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 0.5f);
3929 //x = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 1.0f) * dpsoftrast.fb_width * 0.5f + 0.5f);
3930 //y = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 1.0f) * dpsoftrast.fb_height * 0.5f + 0.5f);
3931 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
3933 c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + i*4;
3934 pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
3938 void DPSOFTRAST_DrawTriangles(int firstvertex, int numvertices, int numtriangles, const int *element3i, const unsigned short *element3s)
3940 unsigned char arraymask[DPSOFTRAST_ARRAY_TOTAL];
3941 arraymask[0] = true;
3942 arraymask[1] = dpsoftrast.fb_colorpixels[0] != NULL; // TODO: optimize (decide based on shadermode)
3943 arraymask[2] = dpsoftrast.pointer_texcoordf[0] != NULL;
3944 arraymask[3] = dpsoftrast.pointer_texcoordf[1] != NULL;
3945 arraymask[4] = dpsoftrast.pointer_texcoordf[2] != NULL;
3946 arraymask[5] = dpsoftrast.pointer_texcoordf[3] != NULL;
3947 arraymask[6] = dpsoftrast.pointer_texcoordf[4] != NULL;
3948 arraymask[7] = dpsoftrast.pointer_texcoordf[5] != NULL;
3949 arraymask[8] = dpsoftrast.pointer_texcoordf[6] != NULL;
3950 arraymask[9] = dpsoftrast.pointer_texcoordf[7] != NULL;
3951 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_DRAW);
3952 DPSOFTRAST_Draw_LoadVertices(firstvertex, numvertices, true);
3953 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Vertex();
3954 DPSOFTRAST_Draw_ProjectVertices(dpsoftrast.draw.screencoord4f, dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], numvertices);
3955 DPSOFTRAST_Draw_ProcessTriangles(firstvertex, numtriangles, element3i, element3s, arraymask);
3958 void DPSOFTRAST_Init(int width, int height, unsigned int *colorpixels, unsigned int *depthpixels)
3967 memset(&dpsoftrast, 0, sizeof(dpsoftrast));
3968 dpsoftrast.bigendian = u.b[3];
3969 dpsoftrast.fb_width = width;
3970 dpsoftrast.fb_height = height;
3971 dpsoftrast.fb_depthpixels = depthpixels;
3972 dpsoftrast.fb_colorpixels[0] = colorpixels;
3973 dpsoftrast.fb_colorpixels[1] = NULL;
3974 dpsoftrast.fb_colorpixels[1] = NULL;
3975 dpsoftrast.fb_colorpixels[1] = NULL;
3976 dpsoftrast.texture_firstfree = 1;
3977 dpsoftrast.texture_end = 1;
3978 dpsoftrast.texture_max = 0;
3979 dpsoftrast.user.colormask[0] = 1;
3980 dpsoftrast.user.colormask[1] = 1;
3981 dpsoftrast.user.colormask[2] = 1;
3982 dpsoftrast.user.colormask[3] = 1;
3983 dpsoftrast.user.blendfunc[0] = GL_ONE;
3984 dpsoftrast.user.blendfunc[1] = GL_ZERO;
3985 dpsoftrast.user.depthmask = true;
3986 dpsoftrast.user.depthtest = true;
3987 dpsoftrast.user.depthfunc = GL_LEQUAL;
3988 dpsoftrast.user.scissortest = false;
3989 dpsoftrast.user.cullface = GL_BACK;
3990 dpsoftrast.user.alphatest = false;
3991 dpsoftrast.user.alphafunc = GL_GREATER;
3992 dpsoftrast.user.alphavalue = 0.5f;
3993 dpsoftrast.user.scissor[0] = 0;
3994 dpsoftrast.user.scissor[1] = 0;
3995 dpsoftrast.user.scissor[2] = dpsoftrast.fb_width;
3996 dpsoftrast.user.scissor[3] = dpsoftrast.fb_height;
3997 dpsoftrast.user.viewport[0] = 0;
3998 dpsoftrast.user.viewport[1] = 0;
3999 dpsoftrast.user.viewport[2] = dpsoftrast.fb_width;
4000 dpsoftrast.user.viewport[3] = dpsoftrast.fb_height;
4001 dpsoftrast.user.depthrange[0] = 0;
4002 dpsoftrast.user.depthrange[1] = 1;
4003 dpsoftrast.user.polygonoffset[0] = 0;
4004 dpsoftrast.user.polygonoffset[1] = 0;
4005 dpsoftrast.user.color[0] = 1;
4006 dpsoftrast.user.color[1] = 1;
4007 dpsoftrast.user.color[2] = 1;
4008 dpsoftrast.user.color[3] = 1;
4009 dpsoftrast.validate = -1;
4010 DPSOFTRAST_Validate(-1);
4011 dpsoftrast.validate = 0;
4014 void DPSOFTRAST_Shutdown(void)
4017 for (i = 0;i < dpsoftrast.texture_end;i++)
4018 if (dpsoftrast.texture[i].bytes)
4019 MM_FREE(dpsoftrast.texture[i].bytes);
4020 if (dpsoftrast.texture)
4021 free(dpsoftrast.texture);
4022 memset(&dpsoftrast, 0, sizeof(dpsoftrast));