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 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 float uniform4f[DPSOFTRAST_UNIFORM_TOTAL*4];
172 int uniform1i[DPSOFTRAST_UNIFORM_TOTAL];
174 // derived values (DPSOFTRAST_VALIDATE_FB)
175 int fb_clearscissor[4];
177 int fb_viewportscissor[4];
178 float fb_viewportcenter[2];
179 float fb_viewportscale[2];
181 // derived values (DPSOFTRAST_VALIDATE_DEPTHFUNC)
184 // derived values (DPSOFTRAST_VALIDATE_BLENDFUNC)
189 int texture_firstfree;
190 DPSOFTRAST_Texture *texture;
195 const char *errorstring;
197 DPSOFTRAST_State_User user;
199 DPSOFTRAST_State_Draw draw;
203 DPSOFTRAST_State dpsoftrast;
205 extern int dpsoftrast_test;
207 #define DPSOFTRAST_DEPTHSCALE (1024.0f*1048576.0f)
208 #define DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a) (((int)(r * 255.0f + 0.5f) << 16) | ((int)(g * 255.0f + 0.5f) << 8) | (int)(b * 255.0f + 0.5f) | ((int)(a * 255.0f + 0.5f) << 24))
209 #define DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d) ((int)(DPSOFTRAST_DEPTHSCALE * (1-d)))
210 #define DPSOFTRAST_DRAW_MAXSPANLENGTH 256
212 void DPSOFTRAST_RecalcFB(void)
214 // calculate framebuffer scissor, viewport, viewport clipped by scissor,
215 // and viewport projection values
216 int x1, x2, x3, x4, x5, x6;
217 int y1, y2, y3, y4, y5, y6;
218 x1 = dpsoftrast.user.scissor[0];
219 x2 = dpsoftrast.user.scissor[0] + dpsoftrast.user.scissor[2];
220 x3 = dpsoftrast.user.viewport[0];
221 x4 = dpsoftrast.user.viewport[0] + dpsoftrast.user.viewport[2];
222 y1 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1] - dpsoftrast.user.scissor[3];
223 y2 = dpsoftrast.fb_height - dpsoftrast.user.scissor[1];
224 y3 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - dpsoftrast.user.viewport[3];
225 y4 = dpsoftrast.fb_height - dpsoftrast.user.viewport[1];
226 if (!dpsoftrast.user.scissortest) {x1 = 0;y1 = 0;x2 = dpsoftrast.fb_width;y2 = dpsoftrast.fb_height;}
228 if (x2 > dpsoftrast.fb_width) x2 = dpsoftrast.fb_width;
230 if (x4 > dpsoftrast.fb_width) x4 = dpsoftrast.fb_width;
232 if (y2 > dpsoftrast.fb_height) y2 = dpsoftrast.fb_height;
234 if (y4 > dpsoftrast.fb_height) y4 = dpsoftrast.fb_height;
235 x5 = x1;if (x5 < x3) x5 = x3;
236 x6 = x2;if (x6 > x4) x4 = x4;
237 y5 = y1;if (y5 < y3) y5 = y3;
238 y6 = y2;if (y6 > y4) y6 = y4;
239 dpsoftrast.fb_clearscissor[0] = x1;
240 dpsoftrast.fb_clearscissor[1] = y1;
241 dpsoftrast.fb_clearscissor[2] = x2 - x1;
242 dpsoftrast.fb_clearscissor[3] = y2 - y1;
243 dpsoftrast.fb_viewport[0] = x3;
244 dpsoftrast.fb_viewport[1] = y3;
245 dpsoftrast.fb_viewport[2] = x4 - x3;
246 dpsoftrast.fb_viewport[3] = y4 - y3;
247 dpsoftrast.fb_viewportscissor[0] = x5;
248 dpsoftrast.fb_viewportscissor[1] = y5;
249 dpsoftrast.fb_viewportscissor[2] = x6 - x5;
250 dpsoftrast.fb_viewportscissor[3] = y6 - y5;
251 dpsoftrast.fb_viewportcenter[0] = dpsoftrast.user.viewport[0] + 0.5f * dpsoftrast.user.viewport[2] - 0.5f;
252 dpsoftrast.fb_viewportcenter[1] = dpsoftrast.fb_height - dpsoftrast.user.viewport[1] - 0.5f * dpsoftrast.user.viewport[3] - 0.5f;
253 dpsoftrast.fb_viewportscale[0] = 0.5f * dpsoftrast.user.viewport[2];
254 dpsoftrast.fb_viewportscale[1] = -0.5f * dpsoftrast.user.viewport[3];
257 void DPSOFTRAST_RecalcDepthFunc(void)
259 dpsoftrast.fb_depthfunc = dpsoftrast.user.depthtest ? dpsoftrast.user.depthfunc : GL_ALWAYS;
262 int blendmodetable[][4] =
264 {DPSOFTRAST_BLENDMODE_OPAQUE, GL_ONE, GL_ZERO, false},
265 {DPSOFTRAST_BLENDMODE_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, false},
266 {DPSOFTRAST_BLENDMODE_ADDALPHA, GL_SRC_ALPHA, GL_ONE, false},
267 {DPSOFTRAST_BLENDMODE_ADD, GL_ONE, GL_ONE, false},
268 {DPSOFTRAST_BLENDMODE_INVMOD, GL_ZERO, GL_ONE_MINUS_SRC_COLOR, false},
269 {DPSOFTRAST_BLENDMODE_MUL, GL_ZERO, GL_SRC_COLOR, false},
270 {DPSOFTRAST_BLENDMODE_MUL, GL_DST_COLOR, GL_ZERO, false},
271 {DPSOFTRAST_BLENDMODE_MUL2, GL_DST_COLOR, GL_SRC_COLOR, false},
272 {DPSOFTRAST_BLENDMODE_PSEUDOALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA, false},
273 {DPSOFTRAST_BLENDMODE_SUBALPHA, GL_SRC_COLOR, GL_ONE, true}
276 void DPSOFTRAST_RecalcBlendFunc(void)
279 dpsoftrast.fb_blendmode = DPSOFTRAST_BLENDMODE_OPAQUE;
280 for (i = 0;i < (int)(sizeof(blendmodetable) / sizeof(blendmodetable[0]));i++)
282 if (dpsoftrast.user.blendfunc[0] == blendmodetable[i][1] && dpsoftrast.user.blendfunc[1] == blendmodetable[i][2] && dpsoftrast.user.blendsubtract == blendmodetable[i][3])
284 dpsoftrast.fb_blendmode = blendmodetable[i][0];
290 #define DPSOFTRAST_ValidateQuick(f) ((dpsoftrast.validate & (f)) ? (DPSOFTRAST_Validate(f), 0) : 0)
292 void DPSOFTRAST_Validate(int mask)
294 mask &= dpsoftrast.validate;
297 if (mask & DPSOFTRAST_VALIDATE_FB)
299 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_FB;
300 DPSOFTRAST_RecalcFB();
302 if (mask & DPSOFTRAST_VALIDATE_DEPTHFUNC)
304 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_DEPTHFUNC;
305 DPSOFTRAST_RecalcDepthFunc();
307 if (mask & DPSOFTRAST_VALIDATE_BLENDFUNC)
309 dpsoftrast.validate &= ~DPSOFTRAST_VALIDATE_BLENDFUNC;
310 DPSOFTRAST_RecalcBlendFunc();
314 DPSOFTRAST_Texture *DPSOFTRAST_Texture_GetByIndex(int index)
316 if (index >= 1 && index < dpsoftrast.texture_end && dpsoftrast.texture[index].bytes)
317 return &dpsoftrast.texture[index];
321 int DPSOFTRAST_Texture_New(int flags, int width, int height, int depth)
330 int sides = (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) ? 6 : 1;
331 int texformat = flags & DPSOFTRAST_TEXTURE_FORMAT_COMPAREMASK;
332 DPSOFTRAST_Texture *texture;
333 if (width*height*depth < 1)
335 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: width, height or depth is less than 1";
338 if (width > DPSOFTRAST_TEXTURE_MAXSIZE || height > DPSOFTRAST_TEXTURE_MAXSIZE || depth > DPSOFTRAST_TEXTURE_MAXSIZE)
340 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: texture size is too large";
345 case DPSOFTRAST_TEXTURE_FORMAT_BGRA8:
346 case DPSOFTRAST_TEXTURE_FORMAT_RGBA8:
347 case DPSOFTRAST_TEXTURE_FORMAT_ALPHA8:
349 case DPSOFTRAST_TEXTURE_FORMAT_DEPTH:
350 if (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP)
352 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
357 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH only permitted on 2D textures";
360 if ((flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && (texformat == DPSOFTRAST_TEXTURE_FORMAT_DEPTH))
362 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FORMAT_DEPTH does not permit mipmaps";
367 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP))
369 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_CUBEMAP can not be used on 3D textures";
372 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
374 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
377 if (depth != 1 && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
379 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on 3D textures";
382 if ((flags & DPSOFTRAST_TEXTURE_FLAG_CUBEMAP) && (flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
384 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: DPSOFTRAST_TEXTURE_FLAG_MIPMAP can not be used on cubemap textures";
387 if ((width & (width-1)) || (height & (height-1)) || (depth & (depth-1)))
389 dpsoftrast.errorstring = "DPSOFTRAST_Texture_New: dimensions are not power of two";
392 // find first empty slot in texture array
393 for (texnum = dpsoftrast.texture_firstfree;texnum < dpsoftrast.texture_end;texnum++)
394 if (!dpsoftrast.texture[texnum].bytes)
396 dpsoftrast.texture_firstfree = texnum + 1;
397 if (dpsoftrast.texture_max <= texnum)
399 // expand texture array as needed
400 if (dpsoftrast.texture_max < 1024)
401 dpsoftrast.texture_max = 1024;
403 dpsoftrast.texture_max *= 2;
404 dpsoftrast.texture = (DPSOFTRAST_Texture *)realloc(dpsoftrast.texture, dpsoftrast.texture_max * sizeof(DPSOFTRAST_Texture));
406 if (dpsoftrast.texture_end <= texnum)
407 dpsoftrast.texture_end = texnum + 1;
408 texture = &dpsoftrast.texture[texnum];
409 memset(texture, 0, sizeof(*texture));
410 texture->flags = flags;
411 texture->width = width;
412 texture->height = height;
413 texture->depth = depth;
414 texture->sides = sides;
425 s = w * h * d * sides * 4;
426 texture->mipmap[mipmaps][0] = size;
427 texture->mipmap[mipmaps][1] = s;
428 texture->mipmap[mipmaps][2] = w;
429 texture->mipmap[mipmaps][3] = h;
430 texture->mipmap[mipmaps][4] = d;
433 if (w * h * d == 1 || !(flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP))
439 texture->mipmaps = mipmaps;
440 texture->size = size;
442 // allocate the pixels now
443 texture->bytes = (unsigned char *)MM_CALLOC(1, size);
447 void DPSOFTRAST_Texture_Free(int index)
449 DPSOFTRAST_Texture *texture;
450 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
452 MM_FREE(texture->bytes);
453 texture->bytes = NULL;
454 memset(texture, 0, sizeof(*texture));
455 // adjust the free range and used range
456 if (dpsoftrast.texture_firstfree > index)
457 dpsoftrast.texture_firstfree = index;
458 while (dpsoftrast.texture_end > 0 && dpsoftrast.texture[dpsoftrast.texture_end-1].bytes == NULL)
459 dpsoftrast.texture_end--;
461 void DPSOFTRAST_Texture_CalculateMipmaps(int index)
463 int i, x, y, z, w, layer0, layer1, row0, row1;
464 unsigned char *o, *i0, *i1, *i2, *i3;
465 DPSOFTRAST_Texture *texture;
466 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
467 if (texture->mipmaps <= 1)
469 for (i = 1;i < texture->mipmaps;i++)
471 for (z = 0;z < texture->mipmap[i][4];z++)
475 if (layer1 >= texture->mipmap[i-1][4])
476 layer1 = texture->mipmap[i-1][4]-1;
477 for (y = 0;y < texture->mipmap[i][3];y++)
481 if (row1 >= texture->mipmap[i-1][3])
482 row1 = texture->mipmap[i-1][3]-1;
483 o = texture->bytes + texture->mipmap[i ][0] + 4*((texture->mipmap[i ][3] * z + y ) * texture->mipmap[i ][2]);
484 i0 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row0) * texture->mipmap[i-1][2]);
485 i1 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer0 + row1) * texture->mipmap[i-1][2]);
486 i2 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row0) * texture->mipmap[i-1][2]);
487 i3 = texture->bytes + texture->mipmap[i-1][0] + 4*((texture->mipmap[i-1][3] * layer1 + row1) * texture->mipmap[i-1][2]);
488 w = texture->mipmap[i][2];
491 if (texture->mipmap[i-1][2] > 1)
493 // average 3D texture
494 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8, i2 += 8, i3 += 8)
496 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + i2[0] + i2[4] + i3[0] + i3[4] + 4) >> 3;
497 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + i2[1] + i2[5] + i3[1] + i3[5] + 4) >> 3;
498 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + i2[2] + i2[6] + i3[2] + i3[6] + 4) >> 3;
499 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + i2[3] + i2[7] + i3[3] + i3[7] + 4) >> 3;
504 // average 3D mipmap with parent width == 1
505 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
507 o[0] = (i0[0] + i1[0] + i2[0] + i3[0] + 2) >> 2;
508 o[1] = (i0[1] + i1[1] + i2[1] + i3[1] + 2) >> 2;
509 o[2] = (i0[2] + i1[2] + i2[2] + i3[2] + 2) >> 2;
510 o[3] = (i0[3] + i1[3] + i2[3] + i3[3] + 2) >> 2;
516 if (texture->mipmap[i-1][2] > 1)
518 // average 2D texture (common case)
519 for (x = 0;x < w;x++, o += 4, i0 += 8, i1 += 8)
521 o[0] = (i0[0] + i0[4] + i1[0] + i1[4] + 2) >> 2;
522 o[1] = (i0[1] + i0[5] + i1[1] + i1[5] + 2) >> 2;
523 o[2] = (i0[2] + i0[6] + i1[2] + i1[6] + 2) >> 2;
524 o[3] = (i0[3] + i0[7] + i1[3] + i1[7] + 2) >> 2;
529 // 2D texture with parent width == 1
530 o[0] = (i0[0] + i1[0] + 1) >> 1;
531 o[1] = (i0[1] + i1[1] + 1) >> 1;
532 o[2] = (i0[2] + i1[2] + 1) >> 1;
533 o[3] = (i0[3] + i1[3] + 1) >> 1;
540 void DPSOFTRAST_Texture_UpdatePartial(int index, int mip, const unsigned char *pixels, int blockx, int blocky, int blockwidth, int blockheight)
542 DPSOFTRAST_Texture *texture;
543 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
547 dpsoftrast.errorstring = "DPSOFTRAST_Texture_UpdatePartial: Not implemented.";
549 void DPSOFTRAST_Texture_UpdateFull(int index, const unsigned char *pixels)
551 DPSOFTRAST_Texture *texture;
552 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
554 memcpy(texture->bytes, pixels, texture->mipmap[0][1]);
555 DPSOFTRAST_Texture_CalculateMipmaps(index);
557 int DPSOFTRAST_Texture_GetWidth(int index, int mip)
559 DPSOFTRAST_Texture *texture;
560 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
561 return texture->mipmap[mip][2];
563 int DPSOFTRAST_Texture_GetHeight(int index, int mip)
565 DPSOFTRAST_Texture *texture;
566 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
567 return texture->mipmap[mip][3];
569 int DPSOFTRAST_Texture_GetDepth(int index, int mip)
571 DPSOFTRAST_Texture *texture;
572 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
573 return texture->mipmap[mip][4];
575 unsigned char *DPSOFTRAST_Texture_GetPixelPointer(int index, int mip)
577 DPSOFTRAST_Texture *texture;
578 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return 0;
579 return texture->bytes + texture->mipmap[mip][0];
581 void DPSOFTRAST_Texture_Filter(int index, DPSOFTRAST_TEXTURE_FILTER filter)
583 DPSOFTRAST_Texture *texture;
584 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
585 if (!(texture->flags & DPSOFTRAST_TEXTURE_FLAG_MIPMAP) && filter > DPSOFTRAST_TEXTURE_FILTER_LINEAR)
587 dpsoftrast.errorstring = "DPSOFTRAST_Texture_Filter: requested filter mode requires mipmaps";
590 texture->filter = filter;
593 void DPSOFTRAST_SetRenderTargets(int width, int height, unsigned int *depthpixels, unsigned int *colorpixels0, unsigned int *colorpixels1, unsigned int *colorpixels2, unsigned int *colorpixels3)
595 dpsoftrast.fb_width = width;
596 dpsoftrast.fb_height = height;
597 dpsoftrast.fb_depthpixels = depthpixels;
598 dpsoftrast.fb_colorpixels[0] = colorpixels0;
599 dpsoftrast.fb_colorpixels[1] = colorpixels1;
600 dpsoftrast.fb_colorpixels[2] = colorpixels2;
601 dpsoftrast.fb_colorpixels[3] = colorpixels3;
603 void DPSOFTRAST_Viewport(int x, int y, int width, int height)
605 dpsoftrast.user.viewport[0] = x;
606 dpsoftrast.user.viewport[1] = y;
607 dpsoftrast.user.viewport[2] = width;
608 dpsoftrast.user.viewport[3] = height;
609 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
611 void DPSOFTRAST_ClearColor(float r, float g, float b, float a)
613 int i, x1, y1, x2, y2, w, h, x, y;
616 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
617 x1 = dpsoftrast.fb_clearscissor[0];
618 y1 = dpsoftrast.fb_clearscissor[1];
619 x2 = dpsoftrast.fb_clearscissor[2];
620 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
625 // FIXME: honor dpsoftrast.fb_colormask?
626 c = DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a);
627 for (i = 0;i < 4;i++)
629 if (!dpsoftrast.fb_colorpixels[i])
631 for (y = y1;y < y2;y++)
633 p = dpsoftrast.fb_colorpixels[i] + y * dpsoftrast.fb_width;
634 for (x = x1;x < x2;x++)
639 void DPSOFTRAST_ClearDepth(float d)
641 int x1, y1, x2, y2, w, h, x, y;
644 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_FB);
645 x1 = dpsoftrast.fb_clearscissor[0];
646 y1 = dpsoftrast.fb_clearscissor[1];
647 x2 = dpsoftrast.fb_clearscissor[2];
648 y2 = dpsoftrast.fb_clearscissor[1] + dpsoftrast.fb_clearscissor[3];
653 c = DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d);
654 for (y = y1;y < y2;y++)
656 p = dpsoftrast.fb_depthpixels + y * dpsoftrast.fb_width;
657 for (x = x1;x < x2;x++)
661 void DPSOFTRAST_ColorMask(int r, int g, int b, int a)
663 dpsoftrast.user.colormask[0] = r != 0;
664 dpsoftrast.user.colormask[1] = g != 0;
665 dpsoftrast.user.colormask[2] = b != 0;
666 dpsoftrast.user.colormask[3] = a != 0;
667 dpsoftrast.fb_colormask = ((-dpsoftrast.user.colormask[0]) & 0x00FF0000) | ((-dpsoftrast.user.colormask[1]) & 0x0000FF00) | ((-dpsoftrast.user.colormask[2]) & 0x000000FF) | ((-dpsoftrast.user.colormask[3]) & 0xFF000000);
669 void DPSOFTRAST_DepthTest(int enable)
671 dpsoftrast.user.depthtest = enable;
672 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_DEPTHFUNC;
674 void DPSOFTRAST_ScissorTest(int enable)
676 dpsoftrast.user.scissortest = enable;
677 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
679 void DPSOFTRAST_Scissor(float x, float y, float width, float height)
681 dpsoftrast.user.scissor[0] = x;
682 dpsoftrast.user.scissor[1] = y;
683 dpsoftrast.user.scissor[2] = width;
684 dpsoftrast.user.scissor[3] = height;
685 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_FB;
688 void DPSOFTRAST_BlendFunc(int smodulate, int dmodulate)
691 dpsoftrast.user.blendfunc[0] = smodulate;
692 dpsoftrast.user.blendfunc[1] = dmodulate;
693 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
695 void DPSOFTRAST_BlendSubtract(int enable)
697 dpsoftrast.user.blendsubtract = enable != 0;
698 dpsoftrast.validate |= DPSOFTRAST_VALIDATE_BLENDFUNC;
700 void DPSOFTRAST_DepthMask(int enable)
702 dpsoftrast.user.depthmask = enable;
704 void DPSOFTRAST_DepthFunc(int comparemode)
707 dpsoftrast.user.depthfunc = comparemode;
709 void DPSOFTRAST_DepthRange(float range0, float range1)
711 dpsoftrast.user.depthrange[0] = range0;
712 dpsoftrast.user.depthrange[1] = range1;
714 void DPSOFTRAST_PolygonOffset(float alongnormal, float intoview)
716 dpsoftrast.user.polygonoffset[0] = alongnormal;
717 dpsoftrast.user.polygonoffset[1] = intoview;
719 void DPSOFTRAST_CullFace(int mode)
722 dpsoftrast.user.cullface = mode;
724 void DPSOFTRAST_AlphaTest(float enable)
726 dpsoftrast.user.alphatest = enable;
728 void DPSOFTRAST_AlphaFunc(int alphafunc, float alphavalue)
731 dpsoftrast.user.alphafunc = alphafunc;
732 dpsoftrast.user.alphavalue = alphavalue;
734 void DPSOFTRAST_Color4f(float r, float g, float b, float a)
736 dpsoftrast.user.color[0] = r;
737 dpsoftrast.user.color[1] = g;
738 dpsoftrast.user.color[2] = b;
739 dpsoftrast.user.color[3] = a;
741 void DPSOFTRAST_GetPixelsBGRA(int blockx, int blocky, int blockwidth, int blockheight, unsigned char *outpixels)
743 int outstride = blockwidth * 4;
744 int instride = dpsoftrast.fb_width * 4;
747 int bx2 = blockx + blockwidth;
748 int by2 = blocky + blockheight;
753 unsigned char *inpixels;
756 if (bx1 < 0) bx1 = 0;
757 if (by1 < 0) by1 = 0;
758 if (bx2 > dpsoftrast.fb_width) bx2 = dpsoftrast.fb_width;
759 if (by2 > dpsoftrast.fb_height) by2 = dpsoftrast.fb_height;
762 inpixels = (unsigned char *)dpsoftrast.fb_colorpixels[0];
763 if (dpsoftrast.bigendian)
765 for (y = by1;y < by2;y++)
767 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
768 o = (unsigned char *)outpixels + (y - by1) * outstride;
769 for (x = bx1;x < bx2;x++)
782 for (y = by1;y < by2;y++)
784 b = (unsigned char *)inpixels + (dpsoftrast.fb_height - 1 - y) * instride + 4 * bx1;
785 o = (unsigned char *)outpixels + (y - by1) * outstride;
791 void DPSOFTRAST_CopyRectangleToTexture(int index, int mip, int tx, int ty, int sx, int sy, int width, int height)
795 int tx2 = tx + width;
796 int ty2 = ty + height;
799 int sx2 = sx + width;
800 int sy2 = sy + height;
810 unsigned int *spixels;
811 unsigned int *tpixels;
812 DPSOFTRAST_Texture *texture;
813 texture = DPSOFTRAST_Texture_GetByIndex(index);if (!texture) return;
814 if (mip < 0 || mip >= texture->mipmaps) return;
815 spixels = dpsoftrast.fb_colorpixels[0];
816 swidth = dpsoftrast.fb_width;
817 sheight = dpsoftrast.fb_height;
818 tpixels = (unsigned int *)(texture->bytes + texture->mipmap[mip][0]);
819 twidth = texture->mipmap[mip][2];
820 theight = texture->mipmap[mip][3];
821 if (tx1 < 0) tx1 = 0;
822 if (ty1 < 0) ty1 = 0;
823 if (tx2 > twidth) tx2 = twidth;
824 if (ty2 > theight) ty2 = theight;
825 if (sx1 < 0) sx1 = 0;
826 if (sy1 < 0) sy1 = 0;
827 if (sx2 > swidth) sx2 = swidth;
828 if (sy2 > sheight) sy2 = sheight;
833 if (tw > sw) tw = sw;
834 if (th > sh) th = sh;
835 if (tw < 1 || th < 1)
837 for (y = 0;y < th;y++)
838 memcpy(tpixels + ((ty1 + y) * twidth + tx1), spixels + ((sy1 + y) * swidth + sx1), tw*4);
839 if (texture->mipmaps > 1)
840 DPSOFTRAST_Texture_CalculateMipmaps(index);
842 void DPSOFTRAST_SetTexture(int unitnum, int index)
844 DPSOFTRAST_Texture *texture;
845 if (unitnum < 0 || unitnum >= DPSOFTRAST_MAXTEXTUREUNITS)
847 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid unit number";
850 texture = DPSOFTRAST_Texture_GetByIndex(index);
851 if (index && !texture)
853 dpsoftrast.errorstring = "DPSOFTRAST_SetTexture: invalid texture handle";
856 dpsoftrast.texbound[unitnum] = texture;
859 void DPSOFTRAST_SetVertexPointer(const float *vertex3f, size_t stride)
861 dpsoftrast.pointer_vertex3f = vertex3f;
862 dpsoftrast.stride_vertex = stride;
864 void DPSOFTRAST_SetColorPointer(const float *color4f, size_t stride)
866 dpsoftrast.pointer_color4f = color4f;
867 dpsoftrast.pointer_color4ub = NULL;
868 dpsoftrast.stride_color = stride;
870 void DPSOFTRAST_SetColorPointer4ub(const unsigned char *color4ub, size_t stride)
872 dpsoftrast.pointer_color4f = NULL;
873 dpsoftrast.pointer_color4ub = color4ub;
874 dpsoftrast.stride_color = stride;
876 void DPSOFTRAST_SetTexCoordPointer(int unitnum, int numcomponents, size_t stride, const float *texcoordf)
878 dpsoftrast.pointer_texcoordf[unitnum] = texcoordf;
879 dpsoftrast.components_texcoord[unitnum] = numcomponents;
880 dpsoftrast.stride_texcoord[unitnum] = stride;
883 void DPSOFTRAST_SetShader(unsigned int mode, unsigned int permutation)
885 dpsoftrast.shader_mode = mode;
886 dpsoftrast.shader_permutation = permutation;
888 void DPSOFTRAST_Uniform4fARB(DPSOFTRAST_UNIFORM index, float v0, float v1, float v2, float v3)
890 dpsoftrast.uniform4f[index*4+0] = v0;
891 dpsoftrast.uniform4f[index*4+1] = v1;
892 dpsoftrast.uniform4f[index*4+2] = v2;
893 dpsoftrast.uniform4f[index*4+3] = v3;
895 void DPSOFTRAST_Uniform4fvARB(DPSOFTRAST_UNIFORM index, const float *v)
897 dpsoftrast.uniform4f[index*4+0] = v[0];
898 dpsoftrast.uniform4f[index*4+1] = v[1];
899 dpsoftrast.uniform4f[index*4+2] = v[2];
900 dpsoftrast.uniform4f[index*4+3] = v[3];
902 void DPSOFTRAST_UniformMatrix4fvARB(DPSOFTRAST_UNIFORM index, int arraysize, int transpose, const float *v)
905 for (i = 0;i < arraysize;i++, index += 4, v += 16)
909 dpsoftrast.uniform4f[index*4+0] = v[0];
910 dpsoftrast.uniform4f[index*4+1] = v[4];
911 dpsoftrast.uniform4f[index*4+2] = v[8];
912 dpsoftrast.uniform4f[index*4+3] = v[12];
913 dpsoftrast.uniform4f[index*4+4] = v[1];
914 dpsoftrast.uniform4f[index*4+5] = v[5];
915 dpsoftrast.uniform4f[index*4+6] = v[9];
916 dpsoftrast.uniform4f[index*4+7] = v[13];
917 dpsoftrast.uniform4f[index*4+8] = v[2];
918 dpsoftrast.uniform4f[index*4+9] = v[6];
919 dpsoftrast.uniform4f[index*4+10] = v[10];
920 dpsoftrast.uniform4f[index*4+11] = v[14];
921 dpsoftrast.uniform4f[index*4+12] = v[3];
922 dpsoftrast.uniform4f[index*4+13] = v[7];
923 dpsoftrast.uniform4f[index*4+14] = v[11];
924 dpsoftrast.uniform4f[index*4+15] = v[15];
928 dpsoftrast.uniform4f[index*4+0] = v[0];
929 dpsoftrast.uniform4f[index*4+1] = v[1];
930 dpsoftrast.uniform4f[index*4+2] = v[2];
931 dpsoftrast.uniform4f[index*4+3] = v[3];
932 dpsoftrast.uniform4f[index*4+4] = v[4];
933 dpsoftrast.uniform4f[index*4+5] = v[5];
934 dpsoftrast.uniform4f[index*4+6] = v[6];
935 dpsoftrast.uniform4f[index*4+7] = v[7];
936 dpsoftrast.uniform4f[index*4+8] = v[8];
937 dpsoftrast.uniform4f[index*4+9] = v[9];
938 dpsoftrast.uniform4f[index*4+10] = v[10];
939 dpsoftrast.uniform4f[index*4+11] = v[11];
940 dpsoftrast.uniform4f[index*4+12] = v[12];
941 dpsoftrast.uniform4f[index*4+13] = v[13];
942 dpsoftrast.uniform4f[index*4+14] = v[14];
943 dpsoftrast.uniform4f[index*4+15] = v[15];
947 void DPSOFTRAST_Uniform1iARB(DPSOFTRAST_UNIFORM index, int i0)
949 dpsoftrast.uniform1i[index] = i0;
952 void DPSOFTRAST_Draw_LoadVertices(int firstvertex, int numvertices, bool needcolors)
960 const unsigned char *b;
961 dpsoftrast.draw.numvertices = numvertices;
962 if (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
964 if (dpsoftrast.draw.maxvertices < 4096)
965 dpsoftrast.draw.maxvertices = 4096;
966 while (dpsoftrast.draw.maxvertices < dpsoftrast.draw.numvertices)
967 dpsoftrast.draw.maxvertices *= 2;
968 if (dpsoftrast.draw.in_array4f[0])
969 MM_FREE(dpsoftrast.draw.in_array4f[0]);
970 data = (float *)MM_CALLOC(1, dpsoftrast.draw.maxvertices * sizeof(float[4])*(DPSOFTRAST_ARRAY_TOTAL*2 + 1));
971 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
972 dpsoftrast.draw.in_array4f[i] = data;
973 for (i = 0;i < DPSOFTRAST_ARRAY_TOTAL;i++, data += dpsoftrast.draw.maxvertices * 4)
974 dpsoftrast.draw.post_array4f[i] = data;
975 dpsoftrast.draw.screencoord4f = data;
976 data += dpsoftrast.draw.maxvertices * 4;
978 stride = dpsoftrast.stride_vertex;
979 v = (const float *)((unsigned char *)dpsoftrast.pointer_vertex3f + firstvertex * stride);
980 p = dpsoftrast.draw.in_array4f[0];
981 for (i = 0;i < numvertices;i++)
988 v = (const float *)((const unsigned char *)v + stride);
992 if (dpsoftrast.pointer_color4f)
994 stride = dpsoftrast.stride_color;
995 v = (const float *)((const unsigned char *)dpsoftrast.pointer_color4f + firstvertex * stride);
996 p = dpsoftrast.draw.in_array4f[1];
997 for (i = 0;i < numvertices;i++)
1004 v = (const float *)((const unsigned char *)v + stride);
1007 else if (dpsoftrast.pointer_color4ub)
1009 stride = dpsoftrast.stride_color;
1010 b = (const unsigned char *)((const unsigned char *)dpsoftrast.pointer_color4ub + firstvertex * stride);
1011 p = dpsoftrast.draw.in_array4f[1];
1012 for (i = 0;i < numvertices;i++)
1014 p[0] = b[0] * (1.0f / 255.0f);
1015 p[1] = b[1] * (1.0f / 255.0f);
1016 p[2] = b[2] * (1.0f / 255.0f);
1017 p[3] = b[3] * (1.0f / 255.0f);
1019 b = (const unsigned char *)((const unsigned char *)b + stride);
1024 v = dpsoftrast.user.color;
1025 p = dpsoftrast.draw.in_array4f[1];
1026 for (i = 0;i < numvertices;i++)
1036 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL-2;j++)
1038 if (dpsoftrast.pointer_texcoordf[j])
1040 stride = dpsoftrast.stride_texcoord[j];
1041 v = (const float *)((const unsigned char *)dpsoftrast.pointer_texcoordf[j] + firstvertex * stride);
1042 p = dpsoftrast.draw.in_array4f[j+2];
1043 switch(dpsoftrast.components_texcoord[j])
1046 for (i = 0;i < numvertices;i++)
1053 v = (const float *)((const unsigned char *)v + stride);
1057 for (i = 0;i < numvertices;i++)
1064 v = (const float *)((const unsigned char *)v + stride);
1068 for (i = 0;i < numvertices;i++)
1075 v = (const float *)((const unsigned char *)v + stride);
1083 void DPSOFTRAST_Array_Transform(float *out4f, const float *in4f, int numitems, const float *inmatrix16f)
1085 static const float identitymatrix[4][4] = {{1,0,0,0},{0,1,0,0},{0,0,1,0},{0,0,0,1}};
1089 memcpy(matrix, inmatrix16f, sizeof(float[16]));
1090 if (!memcmp(identitymatrix, matrix, sizeof(float[16])))
1092 // fast case for identity matrix
1093 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1096 for (i = 0;i < numitems;i++, out4f += 4, in4f += 4)
1098 out4f[0] = in4f[0] * matrix[0][0] + in4f[1] * matrix[1][0] + in4f[2] * matrix[2][0] + in4f[3] * matrix[3][0];
1099 out4f[1] = in4f[0] * matrix[0][1] + in4f[1] * matrix[1][1] + in4f[2] * matrix[2][1] + in4f[3] * matrix[3][1];
1100 out4f[2] = in4f[0] * matrix[0][2] + in4f[1] * matrix[1][2] + in4f[2] * matrix[2][2] + in4f[3] * matrix[3][2];
1101 out4f[3] = in4f[0] * matrix[0][3] + in4f[1] * matrix[1][3] + in4f[2] * matrix[2][3] + in4f[3] * matrix[3][3];
1105 void DPSOFTRAST_Array_Copy(float *out4f, const float *in4f, int numitems)
1107 memcpy(out4f, in4f, numitems * sizeof(float[4]));
1110 void DPSOFTRAST_Draw_ProjectVertices(float *out4f, const float *in4f, int numitems)
1112 // NOTE: this is used both as a whole mesh transform function and a
1113 // per-triangle transform function (for clipped triangles), accordingly
1114 // it should not crash on divide by 0 but the result of divide by 0 is
1119 float viewportcenter[4];
1120 float viewportscale[4];
1121 viewportscale[0] = dpsoftrast.fb_viewportscale[0];
1122 viewportscale[1] = dpsoftrast.fb_viewportscale[1];
1123 viewportscale[2] = 0.5f;
1124 viewportscale[3] = 0.0f;
1125 viewportcenter[0] = dpsoftrast.fb_viewportcenter[0];
1126 viewportcenter[1] = dpsoftrast.fb_viewportcenter[1];
1127 viewportcenter[2] = 0.5f;
1128 viewportcenter[3] = 0.0f;
1129 for (i = 0;i < numitems;i++)
1140 out4f[0] = viewportcenter[0] + viewportscale[0] * in4f[0] * w;
1141 out4f[1] = viewportcenter[1] + viewportscale[1] * in4f[1] * w;
1142 out4f[2] = viewportcenter[2] + viewportscale[2] * in4f[2] * w;
1143 out4f[3] = viewportcenter[3] + viewportscale[3] * in4f[3] * w;
1150 void DPSOFTRAST_Draw_DebugEdgePoints(const float *screen0, const float *screen1)
1155 int w = dpsoftrast.fb_width;
1158 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
1160 bounds[0] = dpsoftrast.fb_viewportscissor[0];
1161 bounds[1] = dpsoftrast.fb_viewportscissor[1];
1162 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
1163 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
1168 for (i = 0;i <= 128;i++)
1171 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
1173 x = (int)(v0[0] + (v1[0] - v0[0]) * (i/128.0f));
1174 y = (int)(v0[1] + (v1[1] - v0[1]) * (i/128.0f));
1175 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
1177 //c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + element0*4;
1178 //pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
1179 pixels[y*w+x] = 0xFFFFFFFF;
1183 void DPSOFTRAST_Draw_Span_Begin(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *zf)
1186 int startx = span->startx;
1187 int endx = span->endx;
1188 float w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
1189 float wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
1190 for (x = startx;x < endx;)
1192 int endsub = x + DPSOFTRAST_MAXSUBSPAN-1;
1193 float z = 1.0f / (w + wslope * x), dz;
1197 dz = endsub > x ? (1.0f / (w + wslope * endsub) - z) / (endsub - x) : 0.0f;
1201 dz = (1.0f / (w + wslope * endsub) - z) * (1.0f / (DPSOFTRAST_MAXSUBSPAN-1));
1203 for (; x <= endsub; x++, z += dz)
1208 void DPSOFTRAST_Draw_Span_Finish(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const float * RESTRICT in4f)
1211 int startx = span->startx;
1212 int endx = span->endx;
1215 unsigned char * RESTRICT pixelmask = span->pixelmask;
1216 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1219 pixel += span->start * 4;
1220 // handle alphatest now (this affects depth writes too)
1221 if (dpsoftrast.user.alphatest)
1222 for (x = startx;x < endx;x++)
1223 if (in4f[x*4+3] < 0.5f)
1224 pixelmask[x] = false;
1225 // FIXME: this does not handle bigendian
1226 switch(dpsoftrast.fb_blendmode)
1228 case DPSOFTRAST_BLENDMODE_OPAQUE:
1229 for (x = startx;x < endx;x++)
1233 d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255;
1234 d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255;
1235 d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255;
1236 d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255;
1237 pixel[x*4+0] = d[0];
1238 pixel[x*4+1] = d[1];
1239 pixel[x*4+2] = d[2];
1240 pixel[x*4+3] = d[3];
1243 case DPSOFTRAST_BLENDMODE_ALPHA:
1244 for (x = startx;x < endx;x++)
1248 a = in4f[x*4+3] * 255.0f;
1249 b = 1.0f - in4f[x*4+3];
1250 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1251 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1252 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1253 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1254 pixel[x*4+0] = d[0];
1255 pixel[x*4+1] = d[1];
1256 pixel[x*4+2] = d[2];
1257 pixel[x*4+3] = d[3];
1260 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1261 for (x = startx;x < endx;x++)
1265 a = in4f[x*4+3] * 255.0f;
1266 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1267 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1268 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1269 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1270 pixel[x*4+0] = d[0];
1271 pixel[x*4+1] = d[1];
1272 pixel[x*4+2] = d[2];
1273 pixel[x*4+3] = d[3];
1276 case DPSOFTRAST_BLENDMODE_ADD:
1277 for (x = startx;x < endx;x++)
1281 d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1282 d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1283 d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1284 d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1285 pixel[x*4+0] = d[0];
1286 pixel[x*4+1] = d[1];
1287 pixel[x*4+2] = d[2];
1288 pixel[x*4+3] = d[3];
1291 case DPSOFTRAST_BLENDMODE_INVMOD:
1292 for (x = startx;x < endx;x++)
1296 d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1297 d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1298 d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1299 d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1300 pixel[x*4+0] = d[0];
1301 pixel[x*4+1] = d[1];
1302 pixel[x*4+2] = d[2];
1303 pixel[x*4+3] = d[3];
1306 case DPSOFTRAST_BLENDMODE_MUL:
1307 for (x = startx;x < endx;x++)
1311 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1312 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1313 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1314 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1315 pixel[x*4+0] = d[0];
1316 pixel[x*4+1] = d[1];
1317 pixel[x*4+2] = d[2];
1318 pixel[x*4+3] = d[3];
1321 case DPSOFTRAST_BLENDMODE_MUL2:
1322 for (x = startx;x < endx;x++)
1326 d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255;
1327 d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255;
1328 d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255;
1329 d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255;
1330 pixel[x*4+0] = d[0];
1331 pixel[x*4+1] = d[1];
1332 pixel[x*4+2] = d[2];
1333 pixel[x*4+3] = d[3];
1336 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1337 for (x = startx;x < endx;x++)
1341 a = in4f[x*4+3] * -255.0f;
1342 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;if (d[0] < 0) d[0] = 0;
1343 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;if (d[1] < 0) d[1] = 0;
1344 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;if (d[2] < 0) d[2] = 0;
1345 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;if (d[3] < 0) d[3] = 0;
1346 pixel[x*4+0] = d[0];
1347 pixel[x*4+1] = d[1];
1348 pixel[x*4+2] = d[2];
1349 pixel[x*4+3] = d[3];
1352 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1353 for (x = startx;x < endx;x++)
1358 b = 1.0f - in4f[x*4+3];
1359 d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
1360 d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
1361 d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
1362 d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
1363 pixel[x*4+0] = d[0];
1364 pixel[x*4+1] = d[1];
1365 pixel[x*4+2] = d[2];
1366 pixel[x*4+3] = d[3];
1372 void DPSOFTRAST_Draw_Span_FinishBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
1375 int startx = span->startx;
1376 int endx = span->endx;
1378 const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
1380 unsigned char * RESTRICT pixelmask = span->pixelmask;
1381 unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
1382 unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
1385 pixel += span->start * 4;
1386 pixeli += span->start;
1387 // handle alphatest now (this affects depth writes too)
1388 if (dpsoftrast.user.alphatest)
1389 for (x = startx;x < endx;x++)
1390 if (in4ub[x*4+3] < 0.5f)
1391 pixelmask[x] = false;
1392 // FIXME: this does not handle bigendian
1393 switch(dpsoftrast.fb_blendmode)
1395 case DPSOFTRAST_BLENDMODE_OPAQUE:
1396 for (x = startx;x < endx;x++)
1400 case DPSOFTRAST_BLENDMODE_ALPHA:
1401 for (x = startx;x < endx;x++)
1406 b = 256 - in4ub[x*4+3];
1407 pixel[x*4+0] = (in4ub[x*4+0]*a+pixel[x*4+0]*b) >> 8;
1408 pixel[x*4+1] = (in4ub[x*4+1]*a+pixel[x*4+1]*b) >> 8;
1409 pixel[x*4+2] = (in4ub[x*4+2]*a+pixel[x*4+2]*b) >> 8;
1410 pixel[x*4+3] = (in4ub[x*4+3]*a+pixel[x*4+3]*b) >> 8;
1413 case DPSOFTRAST_BLENDMODE_ADDALPHA:
1414 for (x = startx;x < endx;x++)
1419 d[0] = (((in4ub[x*4+0]*a)>>8)+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1420 d[1] = (((in4ub[x*4+1]*a)>>8)+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1421 d[2] = (((in4ub[x*4+2]*a)>>8)+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1422 d[3] = (((in4ub[x*4+3]*a)>>8)+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1423 pixel[x*4+0] = d[0];
1424 pixel[x*4+1] = d[1];
1425 pixel[x*4+2] = d[2];
1426 pixel[x*4+3] = d[3];
1429 case DPSOFTRAST_BLENDMODE_ADD:
1430 for (x = startx;x < endx;x++)
1434 d[0] = (in4ub[x*4+0]+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
1435 d[1] = (in4ub[x*4+1]+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
1436 d[2] = (in4ub[x*4+2]+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
1437 d[3] = (in4ub[x*4+3]+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
1438 pixel[x*4+0] = d[0];
1439 pixel[x*4+1] = d[1];
1440 pixel[x*4+2] = d[2];
1441 pixel[x*4+3] = d[3];
1444 case DPSOFTRAST_BLENDMODE_INVMOD:
1445 for (x = startx;x < endx;x++)
1449 pixel[x*4+0] = ((255-in4ub[x*4+0])*pixel[x*4+0])>>8;
1450 pixel[x*4+1] = ((255-in4ub[x*4+1])*pixel[x*4+1])>>8;
1451 pixel[x*4+2] = ((255-in4ub[x*4+2])*pixel[x*4+2])>>8;
1452 pixel[x*4+3] = ((255-in4ub[x*4+3])*pixel[x*4+3])>>8;
1455 case DPSOFTRAST_BLENDMODE_MUL:
1456 for (x = startx;x < endx;x++)
1460 pixel[x*4+0] = (in4ub[x*4+0]*pixel[x*4+0])>>8;
1461 pixel[x*4+1] = (in4ub[x*4+1]*pixel[x*4+1])>>8;
1462 pixel[x*4+2] = (in4ub[x*4+2]*pixel[x*4+2])>>8;
1463 pixel[x*4+3] = (in4ub[x*4+3]*pixel[x*4+3])>>8;
1466 case DPSOFTRAST_BLENDMODE_MUL2:
1467 for (x = startx;x < endx;x++)
1471 d[0] = (in4ub[x*4+0]*pixel[x*4+0])>>7;if (d[0] > 255) d[0] = 255;
1472 d[1] = (in4ub[x*4+1]*pixel[x*4+1])>>7;if (d[1] > 255) d[1] = 255;
1473 d[2] = (in4ub[x*4+2]*pixel[x*4+2])>>7;if (d[2] > 255) d[2] = 255;
1474 d[3] = (in4ub[x*4+3]*pixel[x*4+3])>>7;if (d[3] > 255) d[3] = 255;
1475 pixel[x*4+0] = d[0];
1476 pixel[x*4+1] = d[1];
1477 pixel[x*4+2] = d[2];
1478 pixel[x*4+3] = d[3];
1481 case DPSOFTRAST_BLENDMODE_SUBALPHA:
1482 for (x = startx;x < endx;x++)
1487 d[0] = pixel[x*4+0]-((in4ub[x*4+0]*a)>>8);if (d[0] < 0) d[0] = 0;
1488 d[1] = pixel[x*4+1]-((in4ub[x*4+1]*a)>>8);if (d[1] < 0) d[1] = 0;
1489 d[2] = pixel[x*4+2]-((in4ub[x*4+2]*a)>>8);if (d[2] < 0) d[2] = 0;
1490 d[3] = pixel[x*4+3]-((in4ub[x*4+3]*a)>>8);if (d[3] < 0) d[3] = 0;
1491 pixel[x*4+0] = d[0];
1492 pixel[x*4+1] = d[1];
1493 pixel[x*4+2] = d[2];
1494 pixel[x*4+3] = d[3];
1497 case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
1498 for (x = startx;x < endx;x++)
1502 b = 255 - in4ub[x*4+3];
1503 d[0] = in4ub[x*4+0]+((pixel[x*4+0]*b)>>8);if (d[0] > 255) d[0] = 255;
1504 d[1] = in4ub[x*4+1]+((pixel[x*4+1]*b)>>8);if (d[1] > 255) d[1] = 255;
1505 d[2] = in4ub[x*4+2]+((pixel[x*4+2]*b)>>8);if (d[2] > 255) d[2] = 255;
1506 d[3] = in4ub[x*4+3]+((pixel[x*4+3]*b)>>8);if (d[3] > 255) d[3] = 255;
1507 pixel[x*4+0] = d[0];
1508 pixel[x*4+1] = d[1];
1509 pixel[x*4+2] = d[2];
1510 pixel[x*4+3] = d[3];
1516 void DPSOFTRAST_Draw_Span_Texture2DVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float * RESTRICT out4f, int texunitindex, int arrayindex, const float * RESTRICT zf)
1519 int startx = span->startx;
1520 int endx = span->endx;
1527 unsigned int tci[2];
1528 unsigned int tci1[2];
1529 unsigned int tcimin[2];
1530 unsigned int tcimax[2];
1535 const unsigned char * RESTRICT pixelbase;
1536 const unsigned char * RESTRICT pixel[4];
1537 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1538 // if no texture is bound, just fill it with white
1541 for (x = startx;x < endx;x++)
1543 out4f[x*4+0] = 1.0f;
1544 out4f[x*4+1] = 1.0f;
1545 out4f[x*4+2] = 1.0f;
1546 out4f[x*4+3] = 1.0f;
1550 mip = span->mip[texunitindex];
1551 // if this mipmap of the texture is 1 pixel, just fill it with that color
1552 if (texture->mipmap[mip][1] == 4)
1554 c[0] = texture->bytes[2] * (1.0f/255.0f);
1555 c[1] = texture->bytes[1] * (1.0f/255.0f);
1556 c[2] = texture->bytes[0] * (1.0f/255.0f);
1557 c[3] = texture->bytes[3] * (1.0f/255.0f);
1558 for (x = startx;x < endx;x++)
1560 out4f[x*4+0] = c[0];
1561 out4f[x*4+1] = c[1];
1562 out4f[x*4+2] = c[2];
1563 out4f[x*4+3] = c[3];
1567 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1568 data[0] = span->data[0][arrayindex][0];
1569 data[1] = span->data[0][arrayindex][1];
1570 data[2] = span->data[0][arrayindex][2];
1571 data[3] = span->data[0][arrayindex][3];
1572 slope[0] = span->data[1][arrayindex][0];
1573 slope[1] = span->data[1][arrayindex][1];
1574 slope[2] = span->data[1][arrayindex][2];
1575 slope[3] = span->data[1][arrayindex][3];
1576 flags = texture->flags;
1577 pixelbase = (unsigned char *)texture->bytes + texture->mipmap[mip][0];
1578 tcscale[0] = texture->mipmap[mip][2];
1579 tcscale[1] = texture->mipmap[mip][3];
1580 tciwidth = texture->mipmap[mip][2];
1583 tcimax[0] = texture->mipmap[mip][2]-1;
1584 tcimax[1] = texture->mipmap[mip][3]-1;
1585 tciwrapmask[0] = texture->mipmap[mip][2]-1;
1586 tciwrapmask[1] = texture->mipmap[mip][3]-1;
1587 for (x = startx;x < endx;)
1590 unsigned int subtc[2];
1591 unsigned int substep[2];
1592 int endsub = x + DPSOFTRAST_MAXSUBSPAN-1;
1593 float subscale = 4096.0f/(DPSOFTRAST_MAXSUBSPAN-1);
1597 subscale = endsub > x ? 4096.0f / (endsub - x) : 1.0f;
1599 tc[0] = (data[0] + slope[0]*x) * zf[x] * tcscale[0] - 0.5f;
1600 tc[1] = (data[1] + slope[1]*x) * zf[x] * tcscale[1] - 0.5f;
1601 endtc[0] = (data[0] + slope[0]*endsub) * zf[endsub] * tcscale[0] - 0.5f;
1602 endtc[1] = (data[1] + slope[1]*endsub) * zf[endsub] * tcscale[1] - 0.5f;
1603 substep[0] = (endtc[0] - tc[0]) * subscale;
1604 substep[1] = (endtc[1] - tc[1]) * subscale;
1605 subtc[0] = tc[0] * (1<<12);
1606 subtc[1] = tc[1] * (1<<12);
1607 if (!(flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE))
1609 subtc[0] &= (tciwrapmask[0]<<12)|0xFFF;
1610 subtc[1] &= (tciwrapmask[1]<<12)|0xFFF;
1614 tci[0] = (subtc[0]>>12) - tcimin[0];
1615 tci[1] = (subtc[1]>>12) - tcimin[1];
1616 tci1[0] = ((subtc[0] + (endsub - x)*substep[0])>>12);
1617 tci1[1] = ((subtc[1] + (endsub - x)*substep[1])>>12);
1618 if (tci[0] <= tcimax[0]-1 && tci[1] <= tcimax[1]-1 && tci1[0] <= tcimax[0]-1 && tci1[1] <= tcimax[1]-1)
1620 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1622 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1623 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1624 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1625 tci[0] = subtc[0]>>12;
1626 tci[1] = subtc[1]>>12;
1627 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1628 pixel[1] = pixel[0] + 4 * tciwidth;
1629 c[0] = (pixel[0][2]*lerp[0]+pixel[0][4+2]*lerp[1]+pixel[1][2]*lerp[2]+pixel[1][4+2]*lerp[3]) * (1.0f / 0xFF000000);
1630 c[1] = (pixel[0][1]*lerp[0]+pixel[0][4+1]*lerp[1]+pixel[1][1]*lerp[2]+pixel[1][4+1]*lerp[3]) * (1.0f / 0xFF000000);
1631 c[2] = (pixel[0][0]*lerp[0]+pixel[0][4+0]*lerp[1]+pixel[1][0]*lerp[2]+pixel[1][4+0]*lerp[3]) * (1.0f / 0xFF000000);
1632 c[3] = (pixel[0][3]*lerp[0]+pixel[0][4+3]*lerp[1]+pixel[1][3]*lerp[2]+pixel[1][4+3]*lerp[3]) * (1.0f / 0xFF000000);
1633 out4f[x*4+0] = c[0];
1634 out4f[x*4+1] = c[1];
1635 out4f[x*4+2] = c[2];
1636 out4f[x*4+3] = c[3];
1639 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1641 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1643 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1644 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1645 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1646 tci[0] = subtc[0]>>12;
1647 tci[1] = subtc[1]>>12;
1648 tci1[0] = tci[0] + 1;
1649 tci1[1] = tci[1] + 1;
1650 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1651 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1652 tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
1653 tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
1654 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1655 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1656 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1657 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1658 c[0] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) * (1.0f / 0xFF000000);
1659 c[1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) * (1.0f / 0xFF000000);
1660 c[2] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) * (1.0f / 0xFF000000);
1661 c[3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) * (1.0f / 0xFF000000);
1662 out4f[x*4+0] = c[0];
1663 out4f[x*4+1] = c[1];
1664 out4f[x*4+2] = c[2];
1665 out4f[x*4+3] = c[3];
1670 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1672 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1673 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1674 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1675 tci[0] = subtc[0]>>12;
1676 tci[1] = subtc[1]>>12;
1677 tci1[0] = tci[0] + 1;
1678 tci1[1] = tci[1] + 1;
1679 tci[0] &= tciwrapmask[0];
1680 tci[1] &= tciwrapmask[1];
1681 tci1[0] &= tciwrapmask[0];
1682 tci1[1] &= tciwrapmask[1];
1683 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1684 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1685 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1686 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1687 c[0] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) * (1.0f / 0xFF000000);
1688 c[1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) * (1.0f / 0xFF000000);
1689 c[2] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) * (1.0f / 0xFF000000);
1690 c[3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) * (1.0f / 0xFF000000);
1691 out4f[x*4+0] = c[0];
1692 out4f[x*4+1] = c[1];
1693 out4f[x*4+2] = c[2];
1694 out4f[x*4+3] = c[3];
1698 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1700 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1702 tci[0] = subtc[0]>>12;
1703 tci[1] = subtc[1]>>12;
1704 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1705 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1706 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1707 c[0] = pixel[0][2] * (1.0f / 255.0f);
1708 c[1] = pixel[0][1] * (1.0f / 255.0f);
1709 c[2] = pixel[0][0] * (1.0f / 255.0f);
1710 c[3] = pixel[0][3] * (1.0f / 255.0f);
1711 out4f[x*4+0] = c[0];
1712 out4f[x*4+1] = c[1];
1713 out4f[x*4+2] = c[2];
1714 out4f[x*4+3] = c[3];
1719 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1721 tci[0] = subtc[0]>>12;
1722 tci[1] = subtc[1]>>12;
1723 tci[0] &= tciwrapmask[0];
1724 tci[1] &= tciwrapmask[1];
1725 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1726 c[0] = pixel[0][2] * (1.0f / 255.0f);
1727 c[1] = pixel[0][1] * (1.0f / 255.0f);
1728 c[2] = pixel[0][0] * (1.0f / 255.0f);
1729 c[3] = pixel[0][3] * (1.0f / 255.0f);
1730 out4f[x*4+0] = c[0];
1731 out4f[x*4+1] = c[1];
1732 out4f[x*4+2] = c[2];
1733 out4f[x*4+3] = c[3];
1739 void DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
1742 int startx = span->startx;
1743 int endx = span->endx;
1749 unsigned int tci[2];
1750 unsigned int tci1[2];
1751 unsigned int tcimin[2];
1752 unsigned int tcimax[2];
1758 unsigned int *outi = (unsigned int *)out4ub;
1759 const unsigned char * RESTRICT pixelbase;
1760 const unsigned int * RESTRICT pixelbasei;
1761 const unsigned char * RESTRICT pixel[4];
1762 DPSOFTRAST_Texture *texture = dpsoftrast.texbound[texunitindex];
1763 // if no texture is bound, just fill it with white
1766 memset(out4ub, 255, span->length*4);
1769 mip = span->mip[texunitindex];
1770 // if this mipmap of the texture is 1 pixel, just fill it with that color
1771 if (texture->mipmap[mip][1] == 4)
1773 k = *((const unsigned int *)texture->bytes);
1774 for (x = startx;x < endx;x++)
1778 filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
1779 data[0] = span->data[0][arrayindex][0];
1780 data[1] = span->data[0][arrayindex][1];
1781 data[2] = span->data[0][arrayindex][2];
1782 data[3] = span->data[0][arrayindex][3];
1783 slope[0] = span->data[1][arrayindex][0];
1784 slope[1] = span->data[1][arrayindex][1];
1785 slope[2] = span->data[1][arrayindex][2];
1786 slope[3] = span->data[1][arrayindex][3];
1787 flags = texture->flags;
1788 pixelbase = (const unsigned char *)texture->bytes + texture->mipmap[mip][0];
1789 pixelbasei = (const unsigned int *)pixelbase;
1790 tcscale[0] = texture->mipmap[mip][2];
1791 tcscale[1] = texture->mipmap[mip][3];
1792 tciwidth = texture->mipmap[mip][2];
1795 tcimax[0] = texture->mipmap[mip][2]-1;
1796 tcimax[1] = texture->mipmap[mip][3]-1;
1797 tciwrapmask[0] = texture->mipmap[mip][2]-1;
1798 tciwrapmask[1] = texture->mipmap[mip][3]-1;
1799 for (x = startx;x < endx;)
1802 unsigned int subtc[2];
1803 unsigned int substep[2];
1804 int endsub = x + DPSOFTRAST_MAXSUBSPAN-1;
1805 float subscale = 4096.0f/(DPSOFTRAST_MAXSUBSPAN-1);
1809 subscale = endsub > x ? 4096.0f / (endsub - x) : 1.0f;
1811 tc[0] = (data[0] + slope[0]*x) * zf[x] * tcscale[0] - 0.5f;
1812 tc[1] = (data[1] + slope[1]*x) * zf[x] * tcscale[1] - 0.5f;
1813 endtc[0] = (data[0] + slope[0]*endsub) * zf[endsub] * tcscale[0] - 0.5f;
1814 endtc[1] = (data[1] + slope[1]*endsub) * zf[endsub] * tcscale[1] - 0.5f;
1815 substep[0] = (endtc[0] - tc[0]) * subscale;
1816 substep[1] = (endtc[1] - tc[1]) * subscale;
1817 subtc[0] = tc[0] * (1<<12);
1818 subtc[1] = tc[1] * (1<<12);
1819 if (!(flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE))
1821 subtc[0] &= (tciwrapmask[0]<<12)|0xFFF;
1822 subtc[1] &= (tciwrapmask[1]<<12)|0xFFF;
1825 // LordHavoc: an attempt at reducing number of integer multiplies, did not show any improvement in benchmarks, abandoned.
1826 if (filter && dpsoftrast_test)
1828 const unsigned int * RESTRICT pixeli[4];
1829 tci[0] = (subtc[0]>>12) - tcimin[0];
1830 tci[1] = (subtc[1]>>12) - tcimin[1];
1831 tci1[0] = ((subtc[0] + (endsub - x)*substep[0])>>12);
1832 tci1[1] = ((subtc[1] + (endsub - x)*substep[1])>>12);
1833 if (tci[0] <= tcimax[0]-1 && tci[1] <= tcimax[1]-1 && tci1[0] <= tcimax[0]-1 && tci1[1] <= tcimax[1]-1)
1835 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1837 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1838 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1839 unsigned int lerp[4] = { (ifrac[0]*ifrac[1]) >> 16, (frac[0]*ifrac[1]) >> 16, (ifrac[0]*frac[1]) >> 16, (frac[0]*frac[1]) >> 16 };
1840 tci[0] = subtc[0]>>12;
1841 tci[1] = subtc[1]>>12;
1842 pixeli[0] = pixelbasei + (tci[1]*tciwidth+tci[0]);
1843 pixeli[1] = pixeli[0] + tciwidth;
1844 outi[x] = ((((pixeli[0][0] >> 8) & 0x00FF00FF) * lerp[0] + ((pixeli[0][1] >> 8) & 0x00FF00FF) * lerp[1] + ((pixeli[1][0] >> 8) & 0x00FF00FF) * lerp[2] + ((pixeli[1][1] >> 8) & 0x00FF00FF) * lerp[3]) & 0xFF00FF00)
1845 | ((((pixeli[0][0] & 0x00FF00FF) * lerp[0] + ( pixeli[0][1] & 0x00FF00FF) * lerp[1] + ( pixeli[1][0] & 0x00FF00FF) * lerp[2] + ( pixeli[1][1] & 0x00FF00FF) * lerp[3])>>8) & 0x00FF00FF);
1848 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1850 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1852 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1853 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1854 unsigned int lerp[4] = { (ifrac[0]*ifrac[1]) >> 16, (frac[0]*ifrac[1]) >> 16, (ifrac[0]*frac[1]) >> 16, (frac[0]*frac[1]) >> 16 };
1855 tci[0] = subtc[0]>>12;
1856 tci[1] = subtc[1]>>12;
1857 tci1[0] = tci[0] + 1;
1858 tci1[1] = tci[1] + 1;
1859 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1860 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1861 tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
1862 tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
1863 pixeli[0] = pixelbasei + (tci[1]*tciwidth+tci[0]);
1864 pixeli[1] = pixelbasei + (tci[1]*tciwidth+tci1[0]);
1865 pixeli[2] = pixelbasei + (tci1[1]*tciwidth+tci[0]);
1866 pixeli[3] = pixelbasei + (tci1[1]*tciwidth+tci1[0]);
1867 outi[x] = ((((pixeli[0][0] >> 8) & 0x00FF00FF) * lerp[0] + ((pixeli[1][0] >> 8) & 0x00FF00FF) * lerp[1] + ((pixeli[2][0] >> 8) & 0x00FF00FF) * lerp[2] + ((pixeli[3][0] >> 8) & 0x00FF00FF) * lerp[3]) & 0xFF00FF00)
1868 | ((((pixeli[0][0] & 0x00FF00FF) * lerp[0] + ( pixeli[1][0] & 0x00FF00FF) * lerp[1] + ( pixeli[2][0] & 0x00FF00FF) * lerp[2] + ( pixeli[3][0] & 0x00FF00FF) * lerp[3])>>8) & 0x00FF00FF);
1873 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1875 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1876 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1877 unsigned int lerp[4] = { (ifrac[0]*ifrac[1]) >> 16, (frac[0]*ifrac[1]) >> 16, (ifrac[0]*frac[1]) >> 16, (frac[0]*frac[1]) >> 16 };
1878 tci[0] = subtc[0]>>12;
1879 tci[1] = subtc[1]>>12;
1880 tci1[0] = tci[0] + 1;
1881 tci1[1] = tci[1] + 1;
1882 tci[0] &= tciwrapmask[0];
1883 tci[1] &= tciwrapmask[1];
1884 tci1[0] &= tciwrapmask[0];
1885 tci1[1] &= tciwrapmask[1];
1886 pixeli[0] = pixelbasei + (tci[1]*tciwidth+tci[0]);
1887 pixeli[1] = pixelbasei + (tci[1]*tciwidth+tci1[0]);
1888 pixeli[2] = pixelbasei + (tci1[1]*tciwidth+tci[0]);
1889 pixeli[3] = pixelbasei + (tci1[1]*tciwidth+tci1[0]);
1890 outi[x] = ((((pixeli[0][0] >> 8) & 0x00FF00FF) * lerp[0] + ((pixeli[1][0] >> 8) & 0x00FF00FF) * lerp[1] + ((pixeli[2][0] >> 8) & 0x00FF00FF) * lerp[2] + ((pixeli[3][0] >> 8) & 0x00FF00FF) * lerp[3]) & 0xFF00FF00)
1891 | ((((pixeli[0][0] & 0x00FF00FF) * lerp[0] + ( pixeli[1][0] & 0x00FF00FF) * lerp[1] + ( pixeli[2][0] & 0x00FF00FF) * lerp[2] + ( pixeli[3][0] & 0x00FF00FF) * lerp[3])>>8) & 0x00FF00FF);
1899 tci[0] = (subtc[0]>>12) - tcimin[0];
1900 tci[1] = (subtc[1]>>12) - tcimin[1];
1901 tci1[0] = ((subtc[0] + (endsub - x)*substep[0])>>12);
1902 tci1[1] = ((subtc[1] + (endsub - x)*substep[1])>>12);
1903 if (tci[0] <= tcimax[0]-1 && tci[1] <= tcimax[1]-1 && tci1[0] <= tcimax[0]-1 && tci1[1] <= tcimax[1]-1)
1905 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1907 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1908 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1909 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1910 tci[0] = subtc[0]>>12;
1911 tci[1] = subtc[1]>>12;
1912 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1913 pixel[1] = pixel[0] + 4 * tciwidth;
1914 out4ub[x*4+0] = (pixel[0][0]*lerp[0]+pixel[0][4+0]*lerp[1]+pixel[1][0]*lerp[2]+pixel[1][4+0]*lerp[3]) >> 24;
1915 out4ub[x*4+1] = (pixel[0][1]*lerp[0]+pixel[0][4+1]*lerp[1]+pixel[1][1]*lerp[2]+pixel[1][4+1]*lerp[3]) >> 24;
1916 out4ub[x*4+2] = (pixel[0][2]*lerp[0]+pixel[0][4+2]*lerp[1]+pixel[1][2]*lerp[2]+pixel[1][4+2]*lerp[3]) >> 24;
1917 out4ub[x*4+3] = (pixel[0][3]*lerp[0]+pixel[0][4+3]*lerp[1]+pixel[1][3]*lerp[2]+pixel[1][4+3]*lerp[3]) >> 24;
1920 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1922 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1924 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1925 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1926 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1927 tci[0] = subtc[0]>>12;
1928 tci[1] = subtc[1]>>12;
1929 tci1[0] = tci[0] + 1;
1930 tci1[1] = tci[1] + 1;
1931 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1932 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1933 tci1[0] = tci1[0] >= tcimin[0] ? (tci1[0] <= tcimax[0] ? tci1[0] : tcimax[0]) : tcimin[0];
1934 tci1[1] = tci1[1] >= tcimin[1] ? (tci1[1] <= tcimax[1] ? tci1[1] : tcimax[1]) : tcimin[1];
1935 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1936 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1937 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1938 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1939 out4ub[x*4+0] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) >> 24;
1940 out4ub[x*4+1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) >> 24;
1941 out4ub[x*4+2] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) >> 24;
1942 out4ub[x*4+3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) >> 24;
1947 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1949 unsigned int frac[2] = { subtc[0]&0xFFF, subtc[1]&0xFFF };
1950 unsigned int ifrac[2] = { 0x1000 - frac[0], 0x1000 - frac[1] };
1951 unsigned int lerp[4] = { ifrac[0]*ifrac[1], frac[0]*ifrac[1], ifrac[0]*frac[1], frac[0]*frac[1] };
1952 tci[0] = subtc[0]>>12;
1953 tci[1] = subtc[1]>>12;
1954 tci1[0] = tci[0] + 1;
1955 tci1[1] = tci[1] + 1;
1956 tci[0] &= tciwrapmask[0];
1957 tci[1] &= tciwrapmask[1];
1958 tci1[0] &= tciwrapmask[0];
1959 tci1[1] &= tciwrapmask[1];
1960 pixel[0] = pixelbase + 4 * (tci[1]*tciwidth+tci[0]);
1961 pixel[1] = pixelbase + 4 * (tci[1]*tciwidth+tci1[0]);
1962 pixel[2] = pixelbase + 4 * (tci1[1]*tciwidth+tci[0]);
1963 pixel[3] = pixelbase + 4 * (tci1[1]*tciwidth+tci1[0]);
1964 out4ub[x*4+0] = (pixel[0][0]*lerp[0]+pixel[1][0]*lerp[1]+pixel[2][0]*lerp[2]+pixel[3][0]*lerp[3]) >> 24;
1965 out4ub[x*4+1] = (pixel[0][1]*lerp[0]+pixel[1][1]*lerp[1]+pixel[2][1]*lerp[2]+pixel[3][1]*lerp[3]) >> 24;
1966 out4ub[x*4+2] = (pixel[0][2]*lerp[0]+pixel[1][2]*lerp[1]+pixel[2][2]*lerp[2]+pixel[3][2]*lerp[3]) >> 24;
1967 out4ub[x*4+3] = (pixel[0][3]*lerp[0]+pixel[1][3]*lerp[1]+pixel[2][3]*lerp[2]+pixel[3][3]*lerp[3]) >> 24;
1973 tci[0] = (subtc[0]>>12) - tcimin[0];
1974 tci[1] = (subtc[1]>>12) - tcimin[1];
1975 tci1[0] = ((subtc[0] + (endsub - x)*substep[0])>>12);
1976 tci1[1] = ((subtc[1] + (endsub - x)*substep[1])>>12);
1977 if (tci[0] <= tcimax[0]-1 && tci[1] <= tcimax[1]-1 && tci1[0] <= tcimax[0]-1 && tci1[1] <= tcimax[1]-1)
1979 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1981 tci[0] = subtc[0]>>12;
1982 tci[1] = subtc[1]>>12;
1983 outi[x] = pixelbasei[(tci[1]*tciwidth+tci[0])];
1986 else if (flags & DPSOFTRAST_TEXTURE_FLAG_CLAMPTOEDGE)
1988 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
1990 tci[0] = subtc[0]>>12;
1991 tci[1] = subtc[1]>>12;
1992 tci[0] = tci[0] >= tcimin[0] ? (tci[0] <= tcimax[0] ? tci[0] : tcimax[0]) : tcimin[0];
1993 tci[1] = tci[1] >= tcimin[1] ? (tci[1] <= tcimax[1] ? tci[1] : tcimax[1]) : tcimin[1];
1994 outi[x] = pixelbasei[(tci[1]*tciwidth+tci[0])];
1999 for (; x <= endsub; x++, subtc[0] += substep[0], subtc[1] += substep[1])
2001 tci[0] = subtc[0]>>12;
2002 tci[1] = subtc[1]>>12;
2003 tci[0] &= tciwrapmask[0];
2004 tci[1] &= tciwrapmask[1];
2005 outi[x] = pixelbasei[(tci[1]*tciwidth+tci[0])];
2012 void DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char * RESTRICT out4ub, int texunitindex, int arrayindex, const float * RESTRICT zf)
2015 memset(out4ub, 255, span->length*4);
2018 float DPSOFTRAST_SampleShadowmap(const float *vector)
2024 void DPSOFTRAST_Draw_Span_MultiplyVarying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, int arrayindex, const float *zf)
2027 int startx = span->startx;
2028 int endx = span->endx;
2033 data[0] = span->data[0][arrayindex][0];
2034 data[1] = span->data[0][arrayindex][1];
2035 data[2] = span->data[0][arrayindex][2];
2036 data[3] = span->data[0][arrayindex][3];
2037 slope[0] = span->data[1][arrayindex][0];
2038 slope[1] = span->data[1][arrayindex][1];
2039 slope[2] = span->data[1][arrayindex][2];
2040 slope[3] = span->data[1][arrayindex][3];
2041 for (x = startx;x < endx;x++)
2044 c[0] = (data[0] + slope[0]*x) * z;
2045 c[1] = (data[1] + slope[1]*x) * z;
2046 c[2] = (data[2] + slope[2]*x) * z;
2047 c[3] = (data[3] + slope[3]*x) * z;
2048 out4f[x*4+0] = in4f[x*4+0] * c[0];
2049 out4f[x*4+1] = in4f[x*4+1] * c[1];
2050 out4f[x*4+2] = in4f[x*4+2] * c[2];
2051 out4f[x*4+3] = in4f[x*4+3] * c[3];
2055 void DPSOFTRAST_Draw_Span_Varying(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, int arrayindex, const float *zf)
2058 int startx = span->startx;
2059 int endx = span->endx;
2064 data[0] = span->data[0][arrayindex][0];
2065 data[1] = span->data[0][arrayindex][1];
2066 data[2] = span->data[0][arrayindex][2];
2067 data[3] = span->data[0][arrayindex][3];
2068 slope[0] = span->data[1][arrayindex][0];
2069 slope[1] = span->data[1][arrayindex][1];
2070 slope[2] = span->data[1][arrayindex][2];
2071 slope[3] = span->data[1][arrayindex][3];
2072 for (x = startx;x < endx;x++)
2075 c[0] = (data[0] + slope[0]*x) * z;
2076 c[1] = (data[1] + slope[1]*x) * z;
2077 c[2] = (data[2] + slope[2]*x) * z;
2078 c[3] = (data[3] + slope[3]*x) * z;
2079 out4f[x*4+0] = c[0];
2080 out4f[x*4+1] = c[1];
2081 out4f[x*4+2] = c[2];
2082 out4f[x*4+3] = c[3];
2086 void DPSOFTRAST_Draw_Span_AddBloom(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f, const float *subcolor)
2088 int x, startx = span->startx, endx = span->endx;
2089 float c[4], localcolor[4];
2090 localcolor[0] = subcolor[0];
2091 localcolor[1] = subcolor[1];
2092 localcolor[2] = subcolor[2];
2093 localcolor[3] = subcolor[3];
2094 for (x = startx;x < endx;x++)
2096 c[0] = inb4f[x*4+0] - localcolor[0];if (c[0] < 0.0f) c[0] = 0.0f;
2097 c[1] = inb4f[x*4+1] - localcolor[1];if (c[1] < 0.0f) c[1] = 0.0f;
2098 c[2] = inb4f[x*4+2] - localcolor[2];if (c[2] < 0.0f) c[2] = 0.0f;
2099 c[3] = inb4f[x*4+3] - localcolor[3];if (c[3] < 0.0f) c[3] = 0.0f;
2100 out4f[x*4+0] = ina4f[x*4+0] + c[0];
2101 out4f[x*4+1] = ina4f[x*4+1] + c[1];
2102 out4f[x*4+2] = ina4f[x*4+2] + c[2];
2103 out4f[x*4+3] = ina4f[x*4+3] + c[3];
2107 void DPSOFTRAST_Draw_Span_MultiplyBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2109 int x, startx = span->startx, endx = span->endx;
2110 for (x = startx;x < endx;x++)
2112 out4f[x*4+0] = ina4f[x*4+0] * inb4f[x*4+0];
2113 out4f[x*4+1] = ina4f[x*4+1] * inb4f[x*4+1];
2114 out4f[x*4+2] = ina4f[x*4+2] * inb4f[x*4+2];
2115 out4f[x*4+3] = ina4f[x*4+3] * inb4f[x*4+3];
2119 void DPSOFTRAST_Draw_Span_AddBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2121 int x, startx = span->startx, endx = span->endx;
2122 for (x = startx;x < endx;x++)
2124 out4f[x*4+0] = ina4f[x*4+0] + inb4f[x*4+0];
2125 out4f[x*4+1] = ina4f[x*4+1] + inb4f[x*4+1];
2126 out4f[x*4+2] = ina4f[x*4+2] + inb4f[x*4+2];
2127 out4f[x*4+3] = ina4f[x*4+3] + inb4f[x*4+3];
2131 void DPSOFTRAST_Draw_Span_MixBuffers(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *ina4f, const float *inb4f)
2133 int x, startx = span->startx, endx = span->endx;
2135 for (x = startx;x < endx;x++)
2137 a = 1.0f - inb4f[x*4+3];
2139 out4f[x*4+0] = ina4f[x*4+0] * a + inb4f[x*4+0] * b;
2140 out4f[x*4+1] = ina4f[x*4+1] * a + inb4f[x*4+1] * b;
2141 out4f[x*4+2] = ina4f[x*4+2] * a + inb4f[x*4+2] * b;
2142 out4f[x*4+3] = ina4f[x*4+3] * a + inb4f[x*4+3] * b;
2146 void DPSOFTRAST_Draw_Span_MixUniformColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span, float *out4f, const float *in4f, const float *color)
2148 int x, startx = span->startx, endx = span->endx;
2149 float localcolor[4], ilerp, lerp;
2150 localcolor[0] = color[0];
2151 localcolor[1] = color[1];
2152 localcolor[2] = color[2];
2153 localcolor[3] = color[3];
2154 ilerp = 1.0f - localcolor[3];
2155 lerp = localcolor[3];
2156 for (x = startx;x < endx;x++)
2158 out4f[x*4+0] = in4f[x*4+0] * ilerp + localcolor[0] * lerp;
2159 out4f[x*4+1] = in4f[x*4+1] * ilerp + localcolor[1] * lerp;
2160 out4f[x*4+2] = in4f[x*4+2] * ilerp + localcolor[2] * lerp;
2161 out4f[x*4+3] = in4f[x*4+3] * ilerp + localcolor[3] * lerp;
2167 void DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, int arrayindex, const float *zf)
2170 int startx = span->startx;
2171 int endx = span->endx;
2175 data[2] = span->data[0][arrayindex][0];
2176 data[1] = span->data[0][arrayindex][1];
2177 data[0] = span->data[0][arrayindex][2];
2178 data[3] = span->data[0][arrayindex][3];
2179 slope[2] = span->data[1][arrayindex][0];
2180 slope[1] = span->data[1][arrayindex][1];
2181 slope[0] = span->data[1][arrayindex][2];
2182 slope[3] = span->data[1][arrayindex][3];
2183 for (x = startx;x < endx;x++)
2186 out4ub[x*4+0] = (int)(in4ub[x*4+0] * (data[0] + slope[0]*x) * z);
2187 out4ub[x*4+1] = (int)(in4ub[x*4+1] * (data[1] + slope[1]*x) * z);
2188 out4ub[x*4+2] = (int)(in4ub[x*4+2] * (data[2] + slope[2]*x) * z);
2189 out4ub[x*4+3] = (int)(in4ub[x*4+3] * (data[3] + slope[3]*x) * z);
2193 void DPSOFTRAST_Draw_Span_VaryingBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, int arrayindex, const float *zf)
2196 int startx = span->startx;
2197 int endx = span->endx;
2201 data[2] = span->data[0][arrayindex][0]*255.0f;
2202 data[1] = span->data[0][arrayindex][1]*255.0f;
2203 data[0] = span->data[0][arrayindex][2]*255.0f;
2204 data[3] = span->data[0][arrayindex][3]*255.0f;
2205 slope[2] = span->data[1][arrayindex][0]*255.0f;
2206 slope[1] = span->data[1][arrayindex][1]*255.0f;
2207 slope[0] = span->data[1][arrayindex][2]*255.0f;
2208 slope[3] = span->data[1][arrayindex][3]*255.0f;
2209 for (x = startx;x < endx;x++)
2212 out4ub[x*4+0] = (int)((data[0] + slope[0]*x) * z);
2213 out4ub[x*4+1] = (int)((data[1] + slope[1]*x) * z);
2214 out4ub[x*4+2] = (int)((data[2] + slope[2]*x) * z);
2215 out4ub[x*4+3] = (int)((data[3] + slope[3]*x) * z);
2219 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)
2221 int x, startx = span->startx, endx = span->endx;
2222 int c[4], localcolor[4];
2223 localcolor[2] = (int)(subcolor[0] * 255.0f);
2224 localcolor[1] = (int)(subcolor[1] * 255.0f);
2225 localcolor[0] = (int)(subcolor[2] * 255.0f);
2226 localcolor[3] = (int)(subcolor[3] * 255.0f);
2227 for (x = startx;x < endx;x++)
2229 c[0] = inb4ub[x*4+0] - localcolor[0];if (c[0] < 0) c[0] = 0;
2230 c[1] = inb4ub[x*4+1] - localcolor[1];if (c[1] < 0) c[1] = 0;
2231 c[2] = inb4ub[x*4+2] - localcolor[2];if (c[2] < 0) c[2] = 0;
2232 c[3] = inb4ub[x*4+3] - localcolor[3];if (c[3] < 0) c[3] = 0;
2233 c[0] += ina4ub[x*4+0];if (c[0] > 255) c[0] = 255;
2234 c[1] += ina4ub[x*4+1];if (c[1] > 255) c[1] = 255;
2235 c[2] += ina4ub[x*4+2];if (c[2] > 255) c[2] = 255;
2236 c[3] += ina4ub[x*4+3];if (c[3] > 255) c[3] = 255;
2237 out4ub[x*4+0] = c[0];
2238 out4ub[x*4+1] = c[1];
2239 out4ub[x*4+2] = c[2];
2240 out4ub[x*4+3] = c[3];
2244 void DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2246 int x, startx = span->startx, endx = span->endx;
2247 for (x = startx;x < endx;x++)
2249 out4ub[x*4+0] = (ina4ub[x*4+0] * inb4ub[x*4+0])>>8;
2250 out4ub[x*4+1] = (ina4ub[x*4+1] * inb4ub[x*4+1])>>8;
2251 out4ub[x*4+2] = (ina4ub[x*4+2] * inb4ub[x*4+2])>>8;
2252 out4ub[x*4+3] = (ina4ub[x*4+3] * inb4ub[x*4+3])>>8;
2256 void DPSOFTRAST_Draw_Span_AddBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2258 int x, startx = span->startx, endx = span->endx;
2260 for (x = startx;x < endx;x++)
2262 d[0] = ina4ub[x*4+0] + inb4ub[x*4+0];if (d[0] > 255) d[0] = 255;
2263 d[1] = ina4ub[x*4+1] + inb4ub[x*4+1];if (d[1] > 255) d[1] = 255;
2264 d[2] = ina4ub[x*4+2] + inb4ub[x*4+2];if (d[2] > 255) d[2] = 255;
2265 d[3] = ina4ub[x*4+3] + inb4ub[x*4+3];if (d[3] > 255) d[3] = 255;
2266 out4ub[x*4+0] = d[0];
2267 out4ub[x*4+1] = d[1];
2268 out4ub[x*4+2] = d[2];
2269 out4ub[x*4+3] = d[3];
2273 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)
2275 int x, startx = span->startx, endx = span->endx;
2278 b[0] = (int)(inbtintbgra[0] * 256.0f);
2279 b[1] = (int)(inbtintbgra[1] * 256.0f);
2280 b[2] = (int)(inbtintbgra[2] * 256.0f);
2281 b[3] = (int)(inbtintbgra[3] * 256.0f);
2282 for (x = startx;x < endx;x++)
2284 d[0] = ina4ub[x*4+0] + ((inb4ub[x*4+0]*b[0])>>8);if (d[0] > 255) d[0] = 255;
2285 d[1] = ina4ub[x*4+1] + ((inb4ub[x*4+1]*b[1])>>8);if (d[1] > 255) d[1] = 255;
2286 d[2] = ina4ub[x*4+2] + ((inb4ub[x*4+2]*b[2])>>8);if (d[2] > 255) d[2] = 255;
2287 d[3] = ina4ub[x*4+3] + ((inb4ub[x*4+3]*b[3])>>8);if (d[3] > 255) d[3] = 255;
2288 out4ub[x*4+0] = d[0];
2289 out4ub[x*4+1] = d[1];
2290 out4ub[x*4+2] = d[2];
2291 out4ub[x*4+3] = d[3];
2295 void DPSOFTRAST_Draw_Span_MixBuffersBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *ina4ub, const unsigned char *inb4ub)
2297 int x, startx = span->startx, endx = span->endx;
2299 for (x = startx;x < endx;x++)
2301 a = 256 - inb4ub[x*4+3];
2303 out4ub[x*4+0] = (ina4ub[x*4+0] * a + inb4ub[x*4+0] * b)>>8;
2304 out4ub[x*4+1] = (ina4ub[x*4+1] * a + inb4ub[x*4+1] * b)>>8;
2305 out4ub[x*4+2] = (ina4ub[x*4+2] * a + inb4ub[x*4+2] * b)>>8;
2306 out4ub[x*4+3] = (ina4ub[x*4+3] * a + inb4ub[x*4+3] * b)>>8;
2310 void DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(const DPSOFTRAST_State_Draw_Span * RESTRICT span, unsigned char *out4ub, const unsigned char *in4ub, const float *color)
2312 int x, startx = span->startx, endx = span->endx;
2313 int localcolor[4], ilerp, lerp;
2314 localcolor[2] = (int)(color[0]*255.0f);
2315 localcolor[1] = (int)(color[1]*255.0f);
2316 localcolor[0] = (int)(color[2]*255.0f);
2317 localcolor[3] = (int)(color[3]*255.0f);
2318 ilerp = 256 - localcolor[3];
2319 lerp = localcolor[3];
2320 for (x = startx;x < endx;x++)
2322 out4ub[x*4+0] = (in4ub[x*4+0] * ilerp + localcolor[0] * lerp)>>8;
2323 out4ub[x*4+1] = (in4ub[x*4+1] * ilerp + localcolor[1] * lerp)>>8;
2324 out4ub[x*4+2] = (in4ub[x*4+2] * ilerp + localcolor[2] * lerp)>>8;
2325 out4ub[x*4+3] = (in4ub[x*4+3] * ilerp + localcolor[3] * lerp)>>8;
2331 void DPSOFTRAST_VertexShader_Generic(void)
2333 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);
2334 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2335 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2336 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2337 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2340 void DPSOFTRAST_PixelShader_Generic(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2342 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2343 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2344 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2345 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2346 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2347 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2349 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_FIRST, 2, buffer_z);
2350 DPSOFTRAST_Draw_Span_MultiplyVaryingBGRA8(span, buffer_FragColorbgra8, buffer_texture_colorbgra8, 1, buffer_z);
2351 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2353 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_SECOND, 2, buffer_z);
2354 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2357 DPSOFTRAST_Draw_Span_MultiplyBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2359 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2362 DPSOFTRAST_Draw_Span_AddBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2364 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND)
2367 DPSOFTRAST_Draw_Span_MixBuffersBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_lightmapbgra8);
2372 DPSOFTRAST_Draw_Span_VaryingBGRA8(span, buffer_FragColorbgra8, 1, buffer_z);
2373 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2378 void DPSOFTRAST_VertexShader_PostProcess(void)
2380 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);
2381 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD0], dpsoftrast.draw.numvertices);
2382 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1], dpsoftrast.draw.numvertices);
2385 void DPSOFTRAST_PixelShader_PostProcess(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2387 // TODO: optimize!! at the very least there is no reason to use texture sampling on the frame texture
2388 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2389 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2390 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2391 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2392 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_FragColorbgra8, GL20TU_FIRST, 2, buffer_z);
2393 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_BLOOM)
2395 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_SECOND, 3, buffer_z);
2396 DPSOFTRAST_Draw_Span_AddBloomBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, buffer_texture_colorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_BloomColorSubtract * 4);
2398 DPSOFTRAST_Draw_Span_MixUniformColorBGRA8(span, buffer_FragColorbgra8, buffer_FragColorbgra8, dpsoftrast.uniform4f + DPSOFTRAST_UNIFORM_ViewTintColor * 4);
2399 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SATURATION)
2401 // TODO: implement saturation
2403 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GAMMARAMPS)
2405 // TODO: implement gammaramps
2407 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2412 void DPSOFTRAST_VertexShader_Depth_Or_Shadow(void)
2414 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);
2417 void DPSOFTRAST_PixelShader_Depth_Or_Shadow(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2419 // this is never called (because colormask is off when this shader is used)
2420 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2421 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2422 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2423 memset(buffer_FragColorbgra8, 0, span->length*4);
2424 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2429 void DPSOFTRAST_VertexShader_FlatColor(void)
2431 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);
2432 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);
2435 void DPSOFTRAST_PixelShader_FlatColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2437 int x, startx = span->startx, endx = span->endx;
2438 int Color_Ambienti[4];
2439 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2440 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2441 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2442 Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0]*256.0f);
2443 Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1]*256.0f);
2444 Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2]*256.0f);
2445 Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] *256.0f);
2446 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2447 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2448 for (x = startx;x < endx;x++)
2450 buffer_FragColorbgra8[x*4+0] = (buffer_texture_colorbgra8[x*4+0] * Color_Ambienti[0])>>8;
2451 buffer_FragColorbgra8[x*4+1] = (buffer_texture_colorbgra8[x*4+1] * Color_Ambienti[1])>>8;
2452 buffer_FragColorbgra8[x*4+2] = (buffer_texture_colorbgra8[x*4+2] * Color_Ambienti[2])>>8;
2453 buffer_FragColorbgra8[x*4+3] = (buffer_texture_colorbgra8[x*4+3] * Color_Ambienti[3])>>8;
2455 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2460 void DPSOFTRAST_VertexShader_VertexColor(void)
2462 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);
2463 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_COLOR], dpsoftrast.draw.numvertices);
2464 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);
2467 void DPSOFTRAST_PixelShader_VertexColor(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2469 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2470 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2471 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2472 int x, startx = span->startx, endx = span->endx;
2473 float Color_Ambient[4], Color_Diffuse[4];
2477 int arrayindex = DPSOFTRAST_ARRAY_COLOR;
2478 data[2] = span->data[0][arrayindex][0];
2479 data[1] = span->data[0][arrayindex][1];
2480 data[0] = span->data[0][arrayindex][2];
2481 data[3] = span->data[0][arrayindex][3];
2482 slope[2] = span->data[1][arrayindex][0];
2483 slope[1] = span->data[1][arrayindex][1];
2484 slope[0] = span->data[1][arrayindex][2];
2485 slope[3] = span->data[1][arrayindex][3];
2486 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2487 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2488 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2489 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2490 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2491 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2492 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2493 Color_Diffuse[3] = 0.0f;
2494 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2495 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, 2, buffer_z);
2496 for (x = startx;x < endx;x++)
2499 buffer_FragColorbgra8[x*4+0] = (int)(buffer_texture_colorbgra8[x*4+0] * (Color_Ambient[0] + ((data[0] + slope[0]*x) * z) * Color_Diffuse[0]));
2500 buffer_FragColorbgra8[x*4+1] = (int)(buffer_texture_colorbgra8[x*4+1] * (Color_Ambient[1] + ((data[1] + slope[1]*x) * z) * Color_Diffuse[1]));
2501 buffer_FragColorbgra8[x*4+2] = (int)(buffer_texture_colorbgra8[x*4+2] * (Color_Ambient[2] + ((data[2] + slope[2]*x) * z) * Color_Diffuse[2]));
2502 buffer_FragColorbgra8[x*4+3] = (int)(buffer_texture_colorbgra8[x*4+3] * (Color_Ambient[3] + ((data[3] + slope[3]*x) * z) * Color_Diffuse[3]));
2504 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2509 void DPSOFTRAST_VertexShader_Lightmap(void)
2511 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);
2512 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);
2513 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2516 void DPSOFTRAST_PixelShader_Lightmap(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2518 int x, startx = span->startx, endx = span->endx;
2519 int Color_Ambienti[4], Color_Diffusei[4], Color_Glowi[4];
2520 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2521 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2522 unsigned char buffer_texture_lightmapbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2523 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2524 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2526 //unsigned char * RESTRICT pixelmask = span->pixelmask;
2527 //unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0] + span->start * 4;
2528 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2529 Color_Ambienti[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0] * 65536.0f);
2530 Color_Ambienti[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1] * 65536.0f);
2531 Color_Ambienti[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2] * 65536.0f);
2532 Color_Ambienti[3] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0] * 65536.0f);
2533 Color_Diffusei[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0] * 256.0f);
2534 Color_Diffusei[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1] * 256.0f);
2535 Color_Diffusei[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2] * 256.0f);
2536 Color_Diffusei[3] = 0;
2537 Color_Glowi[2] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0] * 65536.0f);
2538 Color_Glowi[1] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1] * 65536.0f);
2539 Color_Glowi[0] = (int)(dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2] * 65536.0f);
2541 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2542 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_lightmapbgra8, GL20TU_LIGHTMAP, DPSOFTRAST_ARRAY_TEXCOORD4, buffer_z);
2543 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2545 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2546 for (x = startx;x < endx;x++)
2548 d[0] = (buffer_texture_glowbgra8[x*4+0] * Color_Glowi[0] + buffer_texture_colorbgra8[x*4+0] * (Color_Ambienti[0] + buffer_texture_lightmapbgra8[x*4+0] * Color_Diffusei[0])) >> 16;if (d[0] > 255) d[0] = 255;
2549 d[1] = (buffer_texture_glowbgra8[x*4+1] * Color_Glowi[1] + buffer_texture_colorbgra8[x*4+1] * (Color_Ambienti[1] + buffer_texture_lightmapbgra8[x*4+1] * Color_Diffusei[1])) >> 16;if (d[1] > 255) d[1] = 255;
2550 d[2] = (buffer_texture_glowbgra8[x*4+2] * Color_Glowi[2] + buffer_texture_colorbgra8[x*4+2] * (Color_Ambienti[2] + buffer_texture_lightmapbgra8[x*4+2] * Color_Diffusei[2])) >> 16;if (d[2] > 255) d[2] = 255;
2551 d[3] = (buffer_texture_glowbgra8[x*4+3] * Color_Glowi[3] + buffer_texture_colorbgra8[x*4+3] * (Color_Ambienti[3] + buffer_texture_lightmapbgra8[x*4+3] * Color_Diffusei[3])) >> 16;if (d[3] > 255) d[3] = 255;
2552 buffer_FragColorbgra8[x*4+0] = d[0];
2553 buffer_FragColorbgra8[x*4+1] = d[1];
2554 buffer_FragColorbgra8[x*4+2] = d[2];
2555 buffer_FragColorbgra8[x*4+3] = d[3];
2560 for (x = startx;x < endx;x++)
2562 d[0] = (buffer_texture_colorbgra8[x*4+0] * (Color_Ambienti[0] + buffer_texture_lightmapbgra8[x*4+0] * Color_Diffusei[0])) >> 16;if (d[0] > 255) d[0] = 255;
2563 d[1] = (buffer_texture_colorbgra8[x*4+1] * (Color_Ambienti[1] + buffer_texture_lightmapbgra8[x*4+1] * Color_Diffusei[1])) >> 16;if (d[1] > 255) d[1] = 255;
2564 d[2] = (buffer_texture_colorbgra8[x*4+2] * (Color_Ambienti[2] + buffer_texture_lightmapbgra8[x*4+2] * Color_Diffusei[2])) >> 16;if (d[2] > 255) d[2] = 255;
2565 d[3] = (buffer_texture_colorbgra8[x*4+3] * (Color_Ambienti[3] + buffer_texture_lightmapbgra8[x*4+3] * Color_Diffusei[3])) >> 16;if (d[3] > 255) d[3] = 255;
2566 buffer_FragColorbgra8[x*4+0] = d[0];
2567 buffer_FragColorbgra8[x*4+1] = d[1];
2568 buffer_FragColorbgra8[x*4+2] = d[2];
2569 buffer_FragColorbgra8[x*4+3] = d[3];
2572 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2577 void DPSOFTRAST_VertexShader_FakeLight(void)
2579 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);
2582 void DPSOFTRAST_PixelShader_FakeLight(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2585 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2586 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2587 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2588 memset(buffer_FragColorbgra8, 0, span->length*4);
2589 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2594 void DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace(void)
2596 DPSOFTRAST_VertexShader_Lightmap();
2599 void DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2601 DPSOFTRAST_PixelShader_Lightmap(span);
2607 void DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace(void)
2609 DPSOFTRAST_VertexShader_Lightmap();
2612 void DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2614 DPSOFTRAST_PixelShader_Lightmap(span);
2620 void DPSOFTRAST_VertexShader_LightDirection(void)
2623 int numvertices = dpsoftrast.draw.numvertices;
2625 float LightVector[4];
2626 float EyePosition[4];
2627 float EyeVectorModelSpace[4];
2633 LightDir[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+0];
2634 LightDir[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+1];
2635 LightDir[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+2];
2636 LightDir[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightDir*4+3];
2637 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2638 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2639 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2640 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2641 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);
2642 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);
2643 for (i = 0;i < numvertices;i++)
2645 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2646 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2647 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2648 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2649 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2650 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2651 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2652 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2653 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2654 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2655 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2656 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2657 LightVector[0] = svector[0] * LightDir[0] + svector[1] * LightDir[1] + svector[2] * LightDir[2];
2658 LightVector[1] = tvector[0] * LightDir[0] + tvector[1] * LightDir[1] + tvector[2] * LightDir[2];
2659 LightVector[2] = normal[0] * LightDir[0] + normal[1] * LightDir[1] + normal[2] * LightDir[2];
2660 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2661 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2662 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2663 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2664 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2665 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2666 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2667 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2668 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2669 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2670 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2671 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2672 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2673 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2677 #define DPSOFTRAST_Min(a,b) ((a) < (b) ? (a) : (b))
2678 #define DPSOFTRAST_Max(a,b) ((a) > (b) ? (a) : (b))
2679 #define DPSOFTRAST_Vector3Dot(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2])
2680 #define DPSOFTRAST_Vector3LengthSquared(v) (DPSOFTRAST_Vector3Dot((v),(v)))
2681 #define DPSOFTRAST_Vector3Length(v) (sqrt(DPSOFTRAST_Vector3LengthSquared(v)))
2682 #define DPSOFTRAST_Vector3Normalize(v)\
2685 float len = sqrt(DPSOFTRAST_Vector3Dot(v,v));\
2696 void DPSOFTRAST_PixelShader_LightDirection(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
2698 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
2699 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2700 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2701 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2702 unsigned char buffer_texture_glowbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2703 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2704 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2705 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
2706 int x, startx = span->startx, endx = span->endx;
2707 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
2708 float LightVectordata[4];
2709 float LightVectorslope[4];
2710 float EyeVectordata[4];
2711 float EyeVectorslope[4];
2713 float diffusetex[4];
2715 float surfacenormal[4];
2716 float lightnormal[4];
2718 float specularnormal[4];
2721 float SpecularPower;
2723 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
2724 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
2725 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
2726 Color_Glow[3] = 0.0f;
2727 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
2728 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
2729 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
2730 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
2731 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
2732 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
2733 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
2734 Color_Pants[3] = 0.0f;
2735 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
2736 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
2737 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
2738 Color_Shirt[3] = 0.0f;
2739 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
2740 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2741 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2743 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2744 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2746 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2748 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glowbgra8, GL20TU_GLOW, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2750 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
2752 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2753 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2754 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2755 Color_Diffuse[3] = 0.0f;
2756 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2757 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2758 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2759 LightColor[3] = 0.0f;
2760 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2761 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2762 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2763 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2764 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2765 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2766 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2767 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2768 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2769 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
2770 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
2771 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
2772 Color_Specular[3] = 0.0f;
2773 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
2774 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2775 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2776 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2777 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2778 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
2779 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
2780 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
2781 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
2782 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2783 for (x = startx;x < endx;x++)
2786 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2787 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2788 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2789 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2790 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
2792 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
2793 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
2794 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
2795 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
2797 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
2798 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
2799 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
2800 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
2801 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2802 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2803 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2804 DPSOFTRAST_Vector3Normalize(surfacenormal);
2806 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2807 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2808 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2809 DPSOFTRAST_Vector3Normalize(lightnormal);
2811 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
2812 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
2813 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
2814 DPSOFTRAST_Vector3Normalize(eyenormal);
2816 specularnormal[0] = lightnormal[0] + eyenormal[0];
2817 specularnormal[1] = lightnormal[1] + eyenormal[1];
2818 specularnormal[2] = lightnormal[2] + eyenormal[2];
2819 DPSOFTRAST_Vector3Normalize(specularnormal);
2821 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2822 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
2823 specular = pow(specular, SpecularPower * glosstex[3]);
2824 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2826 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;
2827 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;
2828 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;
2829 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2833 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;
2834 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;
2835 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;
2836 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2838 buffer_FragColorbgra8[x*4+0] = d[0];
2839 buffer_FragColorbgra8[x*4+1] = d[1];
2840 buffer_FragColorbgra8[x*4+2] = d[2];
2841 buffer_FragColorbgra8[x*4+3] = d[3];
2844 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
2846 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
2847 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
2848 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
2849 Color_Diffuse[3] = 0.0f;
2850 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
2851 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
2852 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
2853 LightColor[3] = 0.0f;
2854 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2855 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2856 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2857 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2858 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
2859 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
2860 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
2861 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
2862 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
2863 for (x = startx;x < endx;x++)
2866 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2867 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2868 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2869 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2870 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
2871 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
2872 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
2873 DPSOFTRAST_Vector3Normalize(surfacenormal);
2875 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
2876 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
2877 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
2878 DPSOFTRAST_Vector3Normalize(lightnormal);
2880 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
2881 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2883 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;
2884 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;
2885 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;
2886 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2890 d[0] = (int)( + diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse * LightColor[0]));if (d[0] > 255) d[0] = 255;
2891 d[1] = (int)( + diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse * LightColor[1]));if (d[1] > 255) d[1] = 255;
2892 d[2] = (int)( + diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse * LightColor[2]));if (d[2] > 255) d[2] = 255;
2893 d[3] = (int)( diffusetex[3] * (Color_Ambient[3] ));if (d[3] > 255) d[3] = 255;
2895 buffer_FragColorbgra8[x*4+0] = d[0];
2896 buffer_FragColorbgra8[x*4+1] = d[1];
2897 buffer_FragColorbgra8[x*4+2] = d[2];
2898 buffer_FragColorbgra8[x*4+3] = d[3];
2903 for (x = startx;x < endx;x++)
2906 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
2907 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
2908 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
2909 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
2911 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_GLOW)
2913 d[0] = (int)(buffer_texture_glowbgra8[x*4+0] * Color_Glow[0] + diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2914 d[1] = (int)(buffer_texture_glowbgra8[x*4+1] * Color_Glow[1] + diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2915 d[2] = (int)(buffer_texture_glowbgra8[x*4+2] * Color_Glow[2] + diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2916 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2920 d[0] = (int)( diffusetex[0] * Color_Ambient[0]);if (d[0] > 255) d[0] = 255;
2921 d[1] = (int)( diffusetex[1] * Color_Ambient[1]);if (d[1] > 255) d[1] = 255;
2922 d[2] = (int)( diffusetex[2] * Color_Ambient[2]);if (d[2] > 255) d[2] = 255;
2923 d[3] = (int)( diffusetex[3] * Color_Ambient[3]);if (d[3] > 255) d[3] = 255;
2925 buffer_FragColorbgra8[x*4+0] = d[0];
2926 buffer_FragColorbgra8[x*4+1] = d[1];
2927 buffer_FragColorbgra8[x*4+2] = d[2];
2928 buffer_FragColorbgra8[x*4+3] = d[3];
2931 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
2936 void DPSOFTRAST_VertexShader_LightSource(void)
2939 int numvertices = dpsoftrast.draw.numvertices;
2940 float LightPosition[4];
2941 float LightVector[4];
2942 float LightVectorModelSpace[4];
2943 float EyePosition[4];
2944 float EyeVectorModelSpace[4];
2950 LightPosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+0];
2951 LightPosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+1];
2952 LightPosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+2];
2953 LightPosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightPosition*4+3];
2954 EyePosition[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+0];
2955 EyePosition[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+1];
2956 EyePosition[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+2];
2957 EyePosition[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_EyePosition*4+3];
2958 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);
2959 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);
2960 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);
2961 DPSOFTRAST_Array_Copy(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD4], dpsoftrast.draw.numvertices);
2962 for (i = 0;i < numvertices;i++)
2964 position[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0];
2965 position[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1];
2966 position[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+2];
2967 svector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0];
2968 svector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1];
2969 svector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2];
2970 tvector[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0];
2971 tvector[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1];
2972 tvector[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2];
2973 normal[0] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+0];
2974 normal[1] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+1];
2975 normal[2] = dpsoftrast.draw.in_array4f[DPSOFTRAST_ARRAY_TEXCOORD3][i*4+2];
2976 LightVectorModelSpace[0] = LightPosition[0] - position[0];
2977 LightVectorModelSpace[1] = LightPosition[1] - position[1];
2978 LightVectorModelSpace[2] = LightPosition[2] - position[2];
2979 LightVector[0] = svector[0] * LightVectorModelSpace[0] + svector[1] * LightVectorModelSpace[1] + svector[2] * LightVectorModelSpace[2];
2980 LightVector[1] = tvector[0] * LightVectorModelSpace[0] + tvector[1] * LightVectorModelSpace[1] + tvector[2] * LightVectorModelSpace[2];
2981 LightVector[2] = normal[0] * LightVectorModelSpace[0] + normal[1] * LightVectorModelSpace[1] + normal[2] * LightVectorModelSpace[2];
2982 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+0] = LightVector[0];
2983 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+1] = LightVector[1];
2984 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+2] = LightVector[2];
2985 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD1][i*4+3] = 0.0f;
2986 EyeVectorModelSpace[0] = EyePosition[0] - position[0];
2987 EyeVectorModelSpace[1] = EyePosition[1] - position[1];
2988 EyeVectorModelSpace[2] = EyePosition[2] - position[2];
2989 EyeVector[0] = svector[0] * EyeVectorModelSpace[0] + svector[1] * EyeVectorModelSpace[1] + svector[2] * EyeVectorModelSpace[2];
2990 EyeVector[1] = tvector[0] * EyeVectorModelSpace[0] + tvector[1] * EyeVectorModelSpace[1] + tvector[2] * EyeVectorModelSpace[2];
2991 EyeVector[2] = normal[0] * EyeVectorModelSpace[0] + normal[1] * EyeVectorModelSpace[1] + normal[2] * EyeVectorModelSpace[2];
2992 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+0] = EyeVector[0];
2993 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+1] = EyeVector[1];
2994 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+2] = EyeVector[2];
2995 dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_TEXCOORD2][i*4+3] = 0.0f;
2999 void DPSOFTRAST_PixelShader_LightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3001 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3002 unsigned char buffer_texture_colorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3003 unsigned char buffer_texture_normalbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3004 unsigned char buffer_texture_glossbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3005 unsigned char buffer_texture_cubebgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3006 unsigned char buffer_texture_pantsbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3007 unsigned char buffer_texture_shirtbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3008 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3009 int x, startx = span->startx, endx = span->endx;
3010 float Color_Ambient[4], Color_Diffuse[4], Color_Specular[4], Color_Glow[4], Color_Pants[4], Color_Shirt[4], LightColor[4];
3011 float CubeVectordata[4];
3012 float CubeVectorslope[4];
3013 float LightVectordata[4];
3014 float LightVectorslope[4];
3015 float EyeVectordata[4];
3016 float EyeVectorslope[4];
3018 float diffusetex[4];
3020 float surfacenormal[4];
3021 float lightnormal[4];
3023 float specularnormal[4];
3026 float SpecularPower;
3027 float CubeVector[4];
3030 Color_Glow[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+0];
3031 Color_Glow[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+1];
3032 Color_Glow[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Glow*4+2];
3033 Color_Glow[3] = 0.0f;
3034 Color_Ambient[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+0];
3035 Color_Ambient[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+1];
3036 Color_Ambient[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Ambient*4+2];
3037 Color_Ambient[3] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Alpha*4+0];
3038 Color_Diffuse[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+0];
3039 Color_Diffuse[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+1];
3040 Color_Diffuse[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Diffuse*4+2];
3041 Color_Diffuse[3] = 0.0f;
3042 Color_Specular[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+0];
3043 Color_Specular[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+1];
3044 Color_Specular[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Specular*4+2];
3045 Color_Specular[3] = 0.0f;
3046 Color_Pants[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+0];
3047 Color_Pants[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+1];
3048 Color_Pants[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Pants*4+2];
3049 Color_Pants[3] = 0.0f;
3050 Color_Shirt[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+0];
3051 Color_Shirt[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+1];
3052 Color_Shirt[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_Color_Shirt*4+2];
3053 Color_Shirt[3] = 0.0f;
3054 LightColor[2] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+0];
3055 LightColor[1] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+1];
3056 LightColor[0] = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_LightColor*4+2];
3057 LightColor[3] = 0.0f;
3058 SpecularPower = dpsoftrast.uniform4f[DPSOFTRAST_UNIFORM_SpecularPower*4+0] * (1.0f / 255.0f);
3059 EyeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][0];
3060 EyeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][1];
3061 EyeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][2];
3062 EyeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD2][3];
3063 EyeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][0];
3064 EyeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][1];
3065 EyeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][2];
3066 EyeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD2][3];
3067 LightVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][0];
3068 LightVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][1];
3069 LightVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][2];
3070 LightVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD1][3];
3071 LightVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][0];
3072 LightVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][1];
3073 LightVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][2];
3074 LightVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD1][3];
3075 CubeVectordata[0] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3076 CubeVectordata[1] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3077 CubeVectordata[2] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3078 CubeVectordata[3] = span->data[0][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3079 CubeVectorslope[0] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][0];
3080 CubeVectorslope[1] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][1];
3081 CubeVectorslope[2] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][2];
3082 CubeVectorslope[3] = span->data[1][DPSOFTRAST_ARRAY_TEXCOORD3][3];
3083 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3084 memset(buffer_FragColorbgra8 + startx*4, 0, (endx-startx)*4); // clear first, because we skip writing black pixels, and there are a LOT of them...
3085 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_colorbgra8, GL20TU_COLOR, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3086 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3088 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_pantsbgra8, GL20TU_PANTS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3089 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_shirtbgra8, GL20TU_SHIRT, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3091 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3092 DPSOFTRAST_Draw_Span_TextureCubeVaryingBGRA8(span, buffer_texture_cubebgra8, GL20TU_CUBE, DPSOFTRAST_ARRAY_TEXCOORD3, buffer_z);
3093 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SPECULAR)
3095 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3096 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_glossbgra8, GL20TU_GLOSS, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3097 for (x = startx;x < endx;x++)
3100 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3101 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3102 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3103 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3104 if (attenuation < 0.01f)
3106 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3108 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3109 if (attenuation < 0.01f)
3113 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3114 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3115 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3116 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3117 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3119 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3120 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3121 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3122 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3124 glosstex[0] = buffer_texture_glossbgra8[x*4+0];
3125 glosstex[1] = buffer_texture_glossbgra8[x*4+1];
3126 glosstex[2] = buffer_texture_glossbgra8[x*4+2];
3127 glosstex[3] = buffer_texture_glossbgra8[x*4+3];
3128 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3129 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3130 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3131 DPSOFTRAST_Vector3Normalize(surfacenormal);
3133 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3134 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3135 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3136 DPSOFTRAST_Vector3Normalize(lightnormal);
3138 eyenormal[0] = (EyeVectordata[0] + EyeVectorslope[0]*x) * z;
3139 eyenormal[1] = (EyeVectordata[1] + EyeVectorslope[1]*x) * z;
3140 eyenormal[2] = (EyeVectordata[2] + EyeVectorslope[2]*x) * z;
3141 DPSOFTRAST_Vector3Normalize(eyenormal);
3143 specularnormal[0] = lightnormal[0] + eyenormal[0];
3144 specularnormal[1] = lightnormal[1] + eyenormal[1];
3145 specularnormal[2] = lightnormal[2] + eyenormal[2];
3146 DPSOFTRAST_Vector3Normalize(specularnormal);
3148 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3149 specular = DPSOFTRAST_Vector3Dot(surfacenormal, specularnormal);if (specular < 0.0f) specular = 0.0f;
3150 specular = pow(specular, SpecularPower * glosstex[3]);
3151 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3153 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3154 attenuation *= (1.0f / 255.0f);
3155 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;
3156 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;
3157 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;
3158 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3162 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;
3163 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;
3164 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;
3165 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3167 buffer_FragColorbgra8[x*4+0] = d[0];
3168 buffer_FragColorbgra8[x*4+1] = d[1];
3169 buffer_FragColorbgra8[x*4+2] = d[2];
3170 buffer_FragColorbgra8[x*4+3] = d[3];
3173 else if (dpsoftrast.shader_permutation & SHADERPERMUTATION_DIFFUSE)
3175 DPSOFTRAST_Draw_Span_Texture2DVaryingBGRA8(span, buffer_texture_normalbgra8, GL20TU_NORMAL, DPSOFTRAST_ARRAY_TEXCOORD0, buffer_z);
3176 for (x = startx;x < endx;x++)
3179 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3180 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3181 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3182 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3183 if (attenuation < 0.01f)
3185 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3187 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3188 if (attenuation < 0.01f)
3192 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3193 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3194 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3195 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3196 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3198 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3199 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3200 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3201 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3203 surfacenormal[0] = buffer_texture_normalbgra8[x*4+2] * (1.0f / 128.0f) - 1.0f;
3204 surfacenormal[1] = buffer_texture_normalbgra8[x*4+1] * (1.0f / 128.0f) - 1.0f;
3205 surfacenormal[2] = buffer_texture_normalbgra8[x*4+0] * (1.0f / 128.0f) - 1.0f;
3206 DPSOFTRAST_Vector3Normalize(surfacenormal);
3208 lightnormal[0] = (LightVectordata[0] + LightVectorslope[0]*x) * z;
3209 lightnormal[1] = (LightVectordata[1] + LightVectorslope[1]*x) * z;
3210 lightnormal[2] = (LightVectordata[2] + LightVectorslope[2]*x) * z;
3211 DPSOFTRAST_Vector3Normalize(lightnormal);
3213 diffuse = DPSOFTRAST_Vector3Dot(surfacenormal, lightnormal);if (diffuse < 0.0f) diffuse = 0.0f;
3214 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3216 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3217 attenuation *= (1.0f / 255.0f);
3218 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;
3219 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;
3220 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;
3221 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3225 d[0] = (int)((diffusetex[0] * (Color_Ambient[0] + Color_Diffuse[0] * diffuse)) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3226 d[1] = (int)((diffusetex[1] * (Color_Ambient[1] + Color_Diffuse[1] * diffuse)) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3227 d[2] = (int)((diffusetex[2] * (Color_Ambient[2] + Color_Diffuse[2] * diffuse)) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3228 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3230 buffer_FragColorbgra8[x*4+0] = d[0];
3231 buffer_FragColorbgra8[x*4+1] = d[1];
3232 buffer_FragColorbgra8[x*4+2] = d[2];
3233 buffer_FragColorbgra8[x*4+3] = d[3];
3238 for (x = startx;x < endx;x++)
3241 CubeVector[0] = (CubeVectordata[0] + CubeVectorslope[0]*x) * z;
3242 CubeVector[1] = (CubeVectordata[1] + CubeVectorslope[1]*x) * z;
3243 CubeVector[2] = (CubeVectordata[2] + CubeVectorslope[2]*x) * z;
3244 attenuation = 1.0f - DPSOFTRAST_Vector3LengthSquared(CubeVector);
3245 if (attenuation < 0.01f)
3247 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_SHADOWMAP2D)
3249 attenuation *= DPSOFTRAST_SampleShadowmap(CubeVector);
3250 if (attenuation < 0.01f)
3254 diffusetex[0] = buffer_texture_colorbgra8[x*4+0];
3255 diffusetex[1] = buffer_texture_colorbgra8[x*4+1];
3256 diffusetex[2] = buffer_texture_colorbgra8[x*4+2];
3257 diffusetex[3] = buffer_texture_colorbgra8[x*4+3];
3258 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_COLORMAPPING)
3260 diffusetex[0] += buffer_texture_pantsbgra8[x*4+0] * Color_Pants[0] + buffer_texture_shirtbgra8[x*4+0] * Color_Shirt[0];
3261 diffusetex[1] += buffer_texture_pantsbgra8[x*4+1] * Color_Pants[1] + buffer_texture_shirtbgra8[x*4+1] * Color_Shirt[1];
3262 diffusetex[2] += buffer_texture_pantsbgra8[x*4+2] * Color_Pants[2] + buffer_texture_shirtbgra8[x*4+2] * Color_Shirt[2];
3263 diffusetex[3] += buffer_texture_pantsbgra8[x*4+3] * Color_Pants[3] + buffer_texture_shirtbgra8[x*4+3] * Color_Shirt[3];
3265 if (dpsoftrast.shader_permutation & SHADERPERMUTATION_CUBEFILTER)
3267 // scale down the attenuation to account for the cubefilter multiplying everything by 255
3268 attenuation *= (1.0f / 255.0f);
3269 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * buffer_texture_cubebgra8[x*4+0] * attenuation);if (d[0] > 255) d[0] = 255;
3270 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * buffer_texture_cubebgra8[x*4+1] * attenuation);if (d[1] > 255) d[1] = 255;
3271 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * buffer_texture_cubebgra8[x*4+2] * attenuation);if (d[2] > 255) d[2] = 255;
3272 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3276 d[0] = (int)((diffusetex[0] * (Color_Ambient[0])) * LightColor[0] * attenuation);if (d[0] > 255) d[0] = 255;
3277 d[1] = (int)((diffusetex[1] * (Color_Ambient[1])) * LightColor[1] * attenuation);if (d[1] > 255) d[1] = 255;
3278 d[2] = (int)((diffusetex[2] * (Color_Ambient[2])) * LightColor[2] * attenuation);if (d[2] > 255) d[2] = 255;
3279 d[3] = (int)( diffusetex[3] );if (d[3] > 255) d[3] = 255;
3281 buffer_FragColorbgra8[x*4+0] = d[0];
3282 buffer_FragColorbgra8[x*4+1] = d[1];
3283 buffer_FragColorbgra8[x*4+2] = d[2];
3284 buffer_FragColorbgra8[x*4+3] = d[3];
3287 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3292 void DPSOFTRAST_VertexShader_Refraction(void)
3294 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);
3297 void DPSOFTRAST_PixelShader_Refraction(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3300 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3301 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3302 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3303 memset(buffer_FragColorbgra8, 0, span->length*4);
3304 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3309 void DPSOFTRAST_VertexShader_Water(void)
3311 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);
3315 void DPSOFTRAST_PixelShader_Water(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3318 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3319 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3320 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3321 memset(buffer_FragColorbgra8, 0, span->length*4);
3322 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3327 void DPSOFTRAST_VertexShader_ShowDepth(void)
3329 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);
3332 void DPSOFTRAST_PixelShader_ShowDepth(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3335 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3336 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3337 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3338 memset(buffer_FragColorbgra8, 0, span->length*4);
3339 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3344 void DPSOFTRAST_VertexShader_DeferredGeometry(void)
3346 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);
3349 void DPSOFTRAST_PixelShader_DeferredGeometry(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3352 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3353 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3354 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3355 memset(buffer_FragColorbgra8, 0, span->length*4);
3356 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3361 void DPSOFTRAST_VertexShader_DeferredLightSource(void)
3363 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);
3366 void DPSOFTRAST_PixelShader_DeferredLightSource(const DPSOFTRAST_State_Draw_Span * RESTRICT span)
3369 float buffer_z[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3370 unsigned char buffer_FragColorbgra8[DPSOFTRAST_DRAW_MAXSPANLENGTH*4];
3371 DPSOFTRAST_Draw_Span_Begin(span, buffer_z);
3372 memset(buffer_FragColorbgra8, 0, span->length*4);
3373 DPSOFTRAST_Draw_Span_FinishBGRA8(span, buffer_FragColorbgra8);
3378 typedef struct DPSOFTRAST_ShaderModeInfo_s
3381 void (*Vertex)(void);
3382 void (*Span)(const DPSOFTRAST_State_Draw_Span * RESTRICT span);
3384 DPSOFTRAST_ShaderModeInfo;
3386 DPSOFTRAST_ShaderModeInfo DPSOFTRAST_ShaderModeTable[SHADERMODE_COUNT] =
3388 {2, DPSOFTRAST_VertexShader_Generic, DPSOFTRAST_PixelShader_Generic, },
3389 {2, DPSOFTRAST_VertexShader_PostProcess, DPSOFTRAST_PixelShader_PostProcess, },
3390 {2, DPSOFTRAST_VertexShader_Depth_Or_Shadow, DPSOFTRAST_PixelShader_Depth_Or_Shadow, },
3391 {2, DPSOFTRAST_VertexShader_FlatColor, DPSOFTRAST_PixelShader_FlatColor, },
3392 {2, DPSOFTRAST_VertexShader_VertexColor, DPSOFTRAST_PixelShader_VertexColor, },
3393 {2, DPSOFTRAST_VertexShader_Lightmap, DPSOFTRAST_PixelShader_Lightmap, },
3394 {2, DPSOFTRAST_VertexShader_FakeLight, DPSOFTRAST_PixelShader_FakeLight, },
3395 {2, DPSOFTRAST_VertexShader_LightDirectionMap_ModelSpace, DPSOFTRAST_PixelShader_LightDirectionMap_ModelSpace, },
3396 {2, DPSOFTRAST_VertexShader_LightDirectionMap_TangentSpace, DPSOFTRAST_PixelShader_LightDirectionMap_TangentSpace},
3397 {2, DPSOFTRAST_VertexShader_LightDirection, DPSOFTRAST_PixelShader_LightDirection, },
3398 {2, DPSOFTRAST_VertexShader_LightSource, DPSOFTRAST_PixelShader_LightSource, },
3399 {2, DPSOFTRAST_VertexShader_Refraction, DPSOFTRAST_PixelShader_Refraction, },
3400 {2, DPSOFTRAST_VertexShader_Water, DPSOFTRAST_PixelShader_Water, },
3401 {2, DPSOFTRAST_VertexShader_ShowDepth, DPSOFTRAST_PixelShader_ShowDepth, },
3402 {2, DPSOFTRAST_VertexShader_DeferredGeometry, DPSOFTRAST_PixelShader_DeferredGeometry, },
3403 {2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, }
3408 void DPSOFTRAST_Draw_ProcessSpans(void)
3414 int numspans = dpsoftrast.draw.numspans;
3416 // unsigned int *colorpixel;
3417 unsigned int *depthpixel;
3423 DPSOFTRAST_State_Draw_Span *span = dpsoftrast.draw.spanqueue;
3424 unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH];
3425 for (i = 0;i < numspans;i++, span++)
3427 w = span->data[0][DPSOFTRAST_ARRAY_TOTAL][3];
3428 wslope = span->data[1][DPSOFTRAST_ARRAY_TOTAL][3];
3429 if (dpsoftrast.user.depthtest && dpsoftrast.fb_depthpixels)
3431 depth = (int)(w*DPSOFTRAST_DEPTHSCALE);
3432 depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
3433 depthpixel = dpsoftrast.fb_depthpixels + span->start;
3434 switch(dpsoftrast.fb_depthfunc)
3437 case GL_ALWAYS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = true; break;
3438 case GL_LESS: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
3439 case GL_LEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
3440 case GL_EQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
3441 case GL_GEQUAL: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
3442 case GL_GREATER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
3443 case GL_NEVER: for (x = 0, d = depth;x < span->length;x++, d += depthslope) pixelmask[x] = false; break;
3445 //colorpixel = dpsoftrast.fb_colorpixels[0] + span->start;
3446 //for (x = 0;x < span->length;x++)
3447 // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000);
3448 // if there is no color buffer, skip pixel shader
3450 endx = span->length;
3451 while (startx < endx && !pixelmask[startx])
3453 while (endx > startx && !pixelmask[endx-1])
3456 continue; // no pixels to fill
3457 span->pixelmask = pixelmask;
3458 span->startx = startx;
3460 // run pixel shader if appropriate
3461 // do this before running depthmask code, to allow the pixelshader
3462 // to clear pixelmask values for alpha testing
3463 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3464 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3465 if (dpsoftrast.user.depthmask)
3466 for (x = 0, d = depth;x < span->length;x++, d += depthslope)
3472 // no depth testing means we're just dealing with color...
3473 // if there is no color buffer, skip pixel shader
3474 if (dpsoftrast.fb_colorpixels[0] && dpsoftrast.fb_colormask)
3476 memset(pixelmask, 1, span->length);
3477 span->pixelmask = pixelmask;
3479 span->endx = span->length;
3480 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Span(span);
3486 void DPSOFTRAST_Draw_ProcessTriangles(int firstvertex, int numtriangles, const int *element3i, const unsigned short *element3s, unsigned char *arraymask)
3489 int cullface = dpsoftrast.user.cullface;
3490 int width = dpsoftrast.fb_width;
3491 int height = dpsoftrast.fb_height;
3497 ALIGN(int screeny[4]);
3508 float mip_edge0tc[2];
3509 float mip_edge1tc[2];
3510 float mip_edge0xy[2];
3511 float mip_edge1xy[2];
3512 float mip_edge0xymul;
3513 float mip_edge1xymul;
3517 unsigned char mip[DPSOFTRAST_MAXTEXTUREUNITS];
3531 //float trianglearea2;
3532 __m128 triangleedge[2];
3533 __m128 trianglenormal;
3534 ALIGN(float clipdist[4]);
3535 ALIGN(float clipped[DPSOFTRAST_ARRAY_TOTAL][4][4]);
3536 ALIGN(float screen[4][4]);
3537 __m128 proj[DPSOFTRAST_ARRAY_TOTAL][4];
3538 DPSOFTRAST_Texture *texture;
3539 DPSOFTRAST_State_Draw_Span *span;
3540 DPSOFTRAST_State_Draw_Span *oldspan;
3541 for (i = 0;i < numtriangles;i++)
3543 // generate the 3 edges of this triangle
3544 // generate spans for the triangle - switch based on left split or right split classification of triangle
3547 e[0] = element3i[i*3+0] - firstvertex;
3548 e[1] = element3i[i*3+1] - firstvertex;
3549 e[2] = element3i[i*3+2] - firstvertex;
3553 e[0] = element3s[i*3+0] - firstvertex;
3554 e[1] = element3s[i*3+1] - firstvertex;
3555 e[2] = element3s[i*3+2] - firstvertex;
3564 __m128 v0 = _mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4]);
3565 triangleedge[0] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4]), v0);
3566 triangleedge[1] = _mm_sub_ps(_mm_load_ps(&dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4]), v0);
3568 // store normal in 2, 0, 1 order instead of 0, 1, 2 as it requires fewer shuffles and leaves z component accessible as scalar
3569 trianglenormal = _mm_sub_ps(_mm_mul_ps(triangleedge[0], _mm_shuffle_ps(triangleedge[1], triangleedge[1], _MM_SHUFFLE(3, 0, 2, 1))),
3570 _mm_mul_ps(_mm_shuffle_ps(triangleedge[0], triangleedge[0], _MM_SHUFFLE(3, 0, 2, 1)), triangleedge[1]));
3572 trianglenormal[2] = triangleedge[0][0] * triangleedge[1][1] - triangleedge[0][1] * triangleedge[1][0];
3573 trianglenormal[0] = triangleedge[0][1] * triangleedge[1][2] - triangleedge[0][2] * triangleedge[1][1];
3574 trianglenormal[1] = triangleedge[0][2] * triangleedge[1][0] - triangleedge[0][0] * triangleedge[1][2];
3576 // apply current cullface mode (this culls many triangles)
3580 if (_mm_ucomilt_ss(trianglenormal, _mm_setzero_ps()))
3584 if (_mm_ucomigt_ss(trianglenormal, _mm_setzero_ps()))
3589 trianglearea2 = trianglenormal[0] * trianglenormal[0] + trianglenormal[1] * trianglenormal[1] + trianglenormal[2] * trianglenormal[2];
3590 // skip degenerate triangles, nothing good can come from them...
3591 if (trianglearea2 == 0.0f)
3595 // calculate distance from nearplane
3596 clipdist[0] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[0]*4+2] + 1.0f;
3597 clipdist[1] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[1]*4+2] + 1.0f;
3598 clipdist[2] = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][e[2]*4+2] + 1.0f;
3600 if (clipdist[0] < 0.0f)
3602 if (clipdist[1] < 0.0f)
3604 if (clipdist[2] < 0.0f)
3606 // clip triangle if necessary
3610 // triangle is entirely in front of nearplane
3612 // macros for clipping vertices
3613 #define CLIPPEDVERTEXLERP(k,p1,p2) \
3614 frac = clipdist[p1] / (clipdist[p1] - clipdist[p2]);\
3615 ifrac = 1.0f - frac;\
3616 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3618 /*if (arraymask[j])*/\
3620 clipped[j][k][0] = dpsoftrast.draw.post_array4f[j][e[p1]*4+0]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+0]*frac;\
3621 clipped[j][k][1] = dpsoftrast.draw.post_array4f[j][e[p1]*4+1]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+1]*frac;\
3622 clipped[j][k][2] = dpsoftrast.draw.post_array4f[j][e[p1]*4+2]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+2]*frac;\
3623 clipped[j][k][3] = dpsoftrast.draw.post_array4f[j][e[p1]*4+3]*ifrac+dpsoftrast.draw.post_array4f[j][e[p2]*4+3]*frac;\
3626 DPSOFTRAST_Draw_ProjectVertices(screen[k], clipped[DPSOFTRAST_ARRAY_POSITION][k], 1)
3627 #define CLIPPEDVERTEXCOPY(k,p1) \
3628 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)\
3630 /*if (arraymask[j])*/\
3632 clipped[j][k][0] = dpsoftrast.draw.post_array4f[j][e[p1]*4+0];\
3633 clipped[j][k][1] = dpsoftrast.draw.post_array4f[j][e[p1]*4+1];\
3634 clipped[j][k][2] = dpsoftrast.draw.post_array4f[j][e[p1]*4+2];\
3635 clipped[j][k][3] = dpsoftrast.draw.post_array4f[j][e[p1]*4+3];\
3638 screen[k][0] = dpsoftrast.draw.screencoord4f[e[p1]*4+0];\
3639 screen[k][1] = dpsoftrast.draw.screencoord4f[e[p1]*4+1];\
3640 screen[k][2] = dpsoftrast.draw.screencoord4f[e[p1]*4+2];\
3641 screen[k][3] = dpsoftrast.draw.screencoord4f[e[p1]*4+3];
3643 CLIPPEDVERTEXCOPY(0,0);
3644 CLIPPEDVERTEXCOPY(1,1);
3645 CLIPPEDVERTEXCOPY(2,2);
3649 CLIPPEDVERTEXLERP(0,0,1);
3650 CLIPPEDVERTEXCOPY(1,1);
3651 CLIPPEDVERTEXCOPY(2,2);
3652 CLIPPEDVERTEXLERP(3,2,0);
3656 CLIPPEDVERTEXCOPY(0,0);
3657 CLIPPEDVERTEXLERP(1,0,1);
3658 CLIPPEDVERTEXLERP(2,1,2);
3659 CLIPPEDVERTEXCOPY(3,2);
3663 CLIPPEDVERTEXLERP(0,1,2);
3664 CLIPPEDVERTEXCOPY(1,2);
3665 CLIPPEDVERTEXLERP(2,2,0);
3669 CLIPPEDVERTEXCOPY(0,0);
3670 CLIPPEDVERTEXCOPY(1,1);
3671 CLIPPEDVERTEXLERP(2,1,2);
3672 CLIPPEDVERTEXLERP(3,2,0);
3676 CLIPPEDVERTEXLERP(0,0,1);
3677 CLIPPEDVERTEXCOPY(1,1);
3678 CLIPPEDVERTEXLERP(2,1,2);
3682 CLIPPEDVERTEXCOPY(0,0);
3683 CLIPPEDVERTEXLERP(1,0,1);
3684 CLIPPEDVERTEXLERP(2,2,0);
3688 // triangle is entirely behind nearplane
3692 // calculate integer y coords for triangle points
3693 __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))),
3694 _mm_cvttps_epi32(_mm_shuffle_ps(_mm_load_ps(screen[2]), _mm_load_ps(screen[3]), _MM_SHUFFLE(1, 0, 1, 0)))),
3695 screenir, screenmin, screenmax;
3696 if (numpoints <= 3) screeni = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(2, 2, 1, 0));
3697 screenir = _mm_shuffle_epi32(screeni, _MM_SHUFFLE(1, 0, 3, 2)),
3698 screenmin = _mm_min_epi16(screeni, screenir);
3699 screenmax = _mm_max_epi16(screeni, screenir);
3700 screenmin = _mm_min_epi16(screenmin, _mm_shufflelo_epi16(screenmin, _MM_SHUFFLE(1, 0, 3, 2)));
3701 screenmax = _mm_max_epi16(screenmax, _mm_shufflelo_epi16(screenmax, _MM_SHUFFLE(1, 0, 3, 2)));
3702 screenmin = _mm_max_epi16(screenmin, _mm_setzero_si128());
3703 screenmax = _mm_min_epi16(screenmax, _mm_setr_epi16(width-1, height-1, 0, 0, 0, 0, 0, 0));
3704 // skip offscreen triangles
3706 __m128i cc = _mm_cmplt_epi16(screenmax, screenmin);
3707 if (_mm_extract_epi16(cc, 0)|_mm_extract_epi16(cc, 1))
3710 starty = _mm_extract_epi16(screenmin, 1);
3711 endy = _mm_extract_epi16(screenmax, 1)+1;
3712 _mm_store_si128((__m128i *)screeny, _mm_srai_epi32(screeni, 16));
3715 // okay, this triangle is going to produce spans, we'd better project
3716 // the interpolants now (this is what gives perspective texturing),
3717 // this consists of simply multiplying all arrays by the W coord
3718 // (which is basically 1/Z), which will be undone per-pixel
3719 // (multiplying by Z again) to get the perspective-correct array
3721 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3725 for (k = 0;k < numpoints;k++)
3727 proj[j][k] = _mm_mul_ps(_mm_load_ps(clipped[j][k]), _mm_set1_ps(screen[k][3]));
3731 // adjust texture LOD by texture density, in the simplest way possible...
3732 mip_edge0xy[0] = screen[0][0] - screen[1][0];
3733 mip_edge0xy[1] = screen[0][1] - screen[1][1];
3734 mip_edge1xy[0] = screen[2][0] - screen[1][0];
3735 mip_edge1xy[1] = screen[2][1] - screen[1][1];
3736 mip_edge0xymul = 1.0f / (mip_edge0xy[0]*mip_edge0xy[0]+mip_edge0xy[1]*mip_edge0xy[1]);
3737 mip_edge1xymul = 1.0f / (mip_edge1xy[0]*mip_edge1xy[0]+mip_edge1xy[1]*mip_edge1xy[1]);
3738 for (j = 0;j < DPSOFTRAST_MAXTEXTUREUNITS;j++)
3740 texture = dpsoftrast.texbound[j];
3743 if (texture->filter <= DPSOFTRAST_TEXTURE_FILTER_LINEAR)
3748 k = DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].lodarrayindex;
3749 mip_edge0tc[0] = (clipped[k][0][0] - clipped[k][1][0]) * texture->mipmap[0][2];
3750 mip_edge0tc[1] = (clipped[k][0][1] - clipped[k][1][1]) * texture->mipmap[0][3];
3751 mip_edge1tc[0] = (clipped[k][2][0] - clipped[k][1][0]) * texture->mipmap[0][2];
3752 mip_edge1tc[1] = (clipped[k][2][1] - clipped[k][1][1]) * texture->mipmap[0][3];
3753 mip_edge0mip = (mip_edge0tc[0]*mip_edge0tc[0]+mip_edge0tc[1]*mip_edge0tc[1]) * mip_edge0xymul;
3754 mip_edge1mip = (mip_edge1tc[0]*mip_edge1tc[0]+mip_edge1tc[1]*mip_edge1tc[1]) * mip_edge1xymul;
3755 // this will be multiplied in the texturing routine by the texture resolution
3756 mipdensity = mip_edge0mip < mip_edge1mip ? mip_edge0mip : mip_edge1mip;
3757 y = (int)(log(mipdensity)/log(2.0f));
3760 if (y > texture->mipmaps - 1)
3761 y = texture->mipmaps - 1;
3765 // iterate potential spans
3766 // TODO: optimize? if we figured out the edge order beforehand, this
3767 // could do loops over the edges in the proper order rather than
3768 // selecting them for each span
3769 // TODO: optimize? the edges could have data slopes calculated
3770 // TODO: optimize? the data slopes could be calculated as a plane
3771 // (2D slopes) to avoid any interpolation along edges at all
3772 for (y = starty;y < endy;y++)
3774 // get center of pixel y
3776 // do the compares all at once
3777 screenyless[0] = y <= screeny[0];
3778 screenyless[1] = y <= screeny[1];
3779 screenyless[2] = y <= screeny[2];
3780 screenyless[3] = y <= screeny[3];
3783 switch(screenyless[0] + screenyless[1] * 2 + screenyless[2] * 4 + screenyless[3] * 8)
3785 case 0: /*0000*/ continue;
3786 case 1: /*1000*/ edge0p = 3;edge0n = 0;edge1p = 0;edge1n = 1;break;
3787 case 2: /*0100*/ edge0p = 0;edge0n = 1;edge1p = 1;edge1n = 2;break;
3788 case 3: /*1100*/ edge0p = 3;edge0n = 0;edge1p = 1;edge1n = 2;break;
3789 case 4: /*0010*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 3;break;
3790 case 5: /*1010*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 3;break; // concave - nonsense
3791 case 6: /*0110*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 3;break;
3792 case 7: /*1110*/ edge0p = 3;edge0n = 0;edge1p = 2;edge1n = 3;break;
3793 case 8: /*0001*/ edge0p = 2;edge0n = 3;edge1p = 3;edge1n = 0;break;
3794 case 9: /*1001*/ edge0p = 2;edge0n = 3;edge1p = 0;edge1n = 1;break;
3795 case 10: /*0101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break; // concave - nonsense
3796 case 11: /*1101*/ edge0p = 2;edge0n = 3;edge1p = 1;edge1n = 2;break;
3797 case 12: /*0011*/ edge0p = 1;edge0n = 2;edge1p = 3;edge1n = 0;break;
3798 case 13: /*1011*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 1;break;
3799 case 14: /*0111*/ edge0p = 0;edge0n = 1;edge1p = 3;edge1n = 0;break;
3800 case 15: /*1111*/ continue;
3805 switch(screenyless[0] + screenyless[1] * 2 + screenyless[2] * 4)
3807 case 0: /*000*/ continue;
3808 case 1: /*100*/ edge0p = 2;edge0n = 0;edge1p = 0;edge1n = 1;break;
3809 case 2: /*010*/ edge0p = 0;edge0n = 1;edge1p = 1;edge1n = 2;break;
3810 case 3: /*110*/ edge0p = 2;edge0n = 0;edge1p = 1;edge1n = 2;break;
3811 case 4: /*001*/ edge0p = 1;edge0n = 2;edge1p = 2;edge1n = 0;break;
3812 case 5: /*101*/ edge0p = 1;edge0n = 2;edge1p = 0;edge1n = 1;break;
3813 case 6: /*011*/ edge0p = 0;edge0n = 1;edge1p = 2;edge1n = 0;break;
3814 case 7: /*111*/ continue;
3824 for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3826 if (screenyless[k] && !screenyless[j])
3832 else if (screenyless[j] && !screenyless[k])
3839 if (foundedges != 3)
3841 if (cedge0p != edge0p || cedge0n != edge0n || cedge1p != edge1p || cedge1n != edge1n)
3844 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);
3846 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);
3850 edge0ylerp = (yc - screen[edge0p][1]) / (screen[edge0n][1] - screen[edge0p][1]);
3851 edge1ylerp = (yc - screen[edge1p][1]) / (screen[edge1n][1] - screen[edge1p][1]);
3852 if (edge0ylerp < 0 || edge0ylerp > 1 || edge1ylerp < 0 || edge1ylerp > 1)
3854 edge0yilerp = 1.0f - edge0ylerp;
3855 edge1yilerp = 1.0f - edge1ylerp;
3856 edge0xf = screen[edge0p][0] * edge0yilerp + screen[edge0n][0] * edge0ylerp;
3857 edge1xf = screen[edge1p][0] * edge1yilerp + screen[edge1n][0] * edge1ylerp;
3858 if (edge0xf < edge1xf)
3868 startx = (int)ceil(startxf);
3869 endx = (int)ceil(endxf);
3876 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); }
3877 spanilength = 1.0f / (endxf - startxf);
3878 startxlerp = startx - startxf;
3879 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3880 memcpy(span->mip, mip, sizeof(span->mip));
3881 span->start = y * width + startx;
3882 span->length = endx - startx;
3884 __m128 edge0ylerpm = _mm_set1_ps(edge0ylerp), edge0yilerpm = _mm_set1_ps(edge0yilerp),
3885 edge1ylerpm = _mm_set1_ps(edge1ylerp), edge1yilerpm = _mm_set1_ps(edge1yilerp),
3886 spanilengthm = _mm_set1_ps(spanilength), startxlerpm = _mm_set1_ps(startxlerp),
3888 j = DPSOFTRAST_ARRAY_TOTAL;
3889 if (edge0xf < edge1xf)
3891 data0 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge0p]), edge0yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge0n]), edge0ylerpm));
3892 data1 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge1p]), edge1yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge1n]), edge1ylerpm));
3893 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3894 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3895 _mm_store_ps(span->data[0][j], data0);
3896 _mm_store_ps(span->data[1][j], data1);
3897 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3901 data0 = _mm_add_ps(_mm_mul_ps(proj[j][edge0p], edge0yilerpm), _mm_mul_ps(proj[j][edge0n], edge0ylerpm));
3902 data1 = _mm_add_ps(_mm_mul_ps(proj[j][edge1p], edge1yilerpm), _mm_mul_ps(proj[j][edge1n], edge1ylerpm));
3903 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3904 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3905 _mm_store_ps(span->data[0][j], data0);
3906 _mm_store_ps(span->data[1][j], data1);
3912 data0 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge1p]), edge1yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge1n]), edge1ylerpm));
3913 data1 = _mm_add_ps(_mm_mul_ps(_mm_load_ps(screen[edge0p]), edge0yilerpm), _mm_mul_ps(_mm_load_ps(screen[edge0n]), edge0ylerpm));
3914 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3915 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3916 _mm_store_ps(span->data[0][j], data0);
3917 _mm_store_ps(span->data[1][j], data1);
3918 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3922 data0 = _mm_add_ps(_mm_mul_ps(proj[j][edge1p], edge1yilerpm), _mm_mul_ps(proj[j][edge1n], edge1ylerpm));
3923 data1 = _mm_add_ps(_mm_mul_ps(proj[j][edge0p], edge0yilerpm), _mm_mul_ps(proj[j][edge0n], edge0ylerpm));
3924 data1 = _mm_mul_ps(_mm_sub_ps(data1, data0), spanilengthm);
3925 data0 = _mm_add_ps(data0, _mm_mul_ps(data1, startxlerpm));
3926 _mm_store_ps(span->data[0][j], data0);
3927 _mm_store_ps(span->data[1][j], data1);
3932 // to keep the shader routines from needing more than a small
3933 // buffer for pixel intermediate data, we split long spans...
3934 while (span->length > DPSOFTRAST_DRAW_MAXSPANLENGTH)
3936 __m128 maxspanlengthm;
3937 span->length = DPSOFTRAST_DRAW_MAXSPANLENGTH;
3938 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3940 DPSOFTRAST_Draw_ProcessSpans();
3941 dpsoftrast.draw.numspans = 0;
3944 span = &dpsoftrast.draw.spanqueue[dpsoftrast.draw.numspans++];
3946 startx += DPSOFTRAST_DRAW_MAXSPANLENGTH;
3947 span->start = y * width + startx;
3948 span->length = endx - startx;
3949 j = DPSOFTRAST_ARRAY_TOTAL;
3950 maxspanlengthm = _mm_set1_ps(DPSOFTRAST_DRAW_MAXSPANLENGTH);
3951 _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)));
3952 for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL;j++)
3956 _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)));
3960 // after all that, we have a span suitable for the pixel shader...
3961 if (dpsoftrast.draw.numspans >= DPSOFTRAST_DRAW_MAXSPANQUEUE)
3963 DPSOFTRAST_Draw_ProcessSpans();
3964 dpsoftrast.draw.numspans = 0;
3967 // draw outlines over triangle for debugging
3968 // for (j = 0, k = numpoints-1;j < numpoints;k = j, j++)
3969 // DPSOFTRAST_Draw_DebugEdgePoints(screen[k], screen[j]);
3971 if (dpsoftrast.draw.numspans)
3973 DPSOFTRAST_Draw_ProcessSpans();
3974 dpsoftrast.draw.numspans = 0;
3979 void DPSOFTRAST_Draw_DebugPoints(void)
3984 int numvertices = dpsoftrast.draw.numvertices;
3985 int w = dpsoftrast.fb_width;
3987 unsigned int *pixels = dpsoftrast.fb_colorpixels[0];
3989 bounds[0] = dpsoftrast.fb_viewportscissor[0];
3990 bounds[1] = dpsoftrast.fb_viewportscissor[1];
3991 bounds[2] = dpsoftrast.fb_viewportscissor[0] + dpsoftrast.fb_viewportscissor[2];
3992 bounds[3] = dpsoftrast.fb_viewportscissor[1] + dpsoftrast.fb_viewportscissor[3];
3993 for (i = 0;i < numvertices;i++)
3996 //if (dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+3] != 1.0f)
3998 x = (int)(dpsoftrast.draw.screencoord4f[i*4+0]);
3999 y = (int)(dpsoftrast.draw.screencoord4f[i*4+1]);
4000 //x = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 0.5f);
4001 //y = (int)(dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 0.5f);
4002 //x = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+0] + 1.0f) * dpsoftrast.fb_width * 0.5f + 0.5f);
4003 //y = (int)((dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION][i*4+1] + 1.0f) * dpsoftrast.fb_height * 0.5f + 0.5f);
4004 if (x < bounds[0] || y < bounds[1] || x >= bounds[2] || y >= bounds[3])
4006 c4f = dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_COLOR] + i*4;
4007 pixels[y*w+x] = DPSOFTRAST_BGRA8_FROM_RGBA32F(c4f[0], c4f[1], c4f[2], c4f[3]);
4011 void DPSOFTRAST_DrawTriangles(int firstvertex, int numvertices, int numtriangles, const int *element3i, const unsigned short *element3s)
4013 unsigned char arraymask[DPSOFTRAST_ARRAY_TOTAL];
4014 arraymask[0] = true;
4015 arraymask[1] = dpsoftrast.fb_colorpixels[0] != NULL; // TODO: optimize (decide based on shadermode)
4016 arraymask[2] = dpsoftrast.pointer_texcoordf[0] != NULL;
4017 arraymask[3] = dpsoftrast.pointer_texcoordf[1] != NULL;
4018 arraymask[4] = dpsoftrast.pointer_texcoordf[2] != NULL;
4019 arraymask[5] = dpsoftrast.pointer_texcoordf[3] != NULL;
4020 arraymask[6] = dpsoftrast.pointer_texcoordf[4] != NULL;
4021 arraymask[7] = dpsoftrast.pointer_texcoordf[5] != NULL;
4022 arraymask[8] = dpsoftrast.pointer_texcoordf[6] != NULL;
4023 arraymask[9] = dpsoftrast.pointer_texcoordf[7] != NULL;
4024 DPSOFTRAST_Validate(DPSOFTRAST_VALIDATE_DRAW);
4025 DPSOFTRAST_Draw_LoadVertices(firstvertex, numvertices, true);
4026 DPSOFTRAST_ShaderModeTable[dpsoftrast.shader_mode].Vertex();
4027 DPSOFTRAST_Draw_ProjectVertices(dpsoftrast.draw.screencoord4f, dpsoftrast.draw.post_array4f[DPSOFTRAST_ARRAY_POSITION], numvertices);
4028 DPSOFTRAST_Draw_ProcessTriangles(firstvertex, numtriangles, element3i, element3s, arraymask);
4031 void DPSOFTRAST_Init(int width, int height, unsigned int *colorpixels, unsigned int *depthpixels)
4040 memset(&dpsoftrast, 0, sizeof(dpsoftrast));
4041 dpsoftrast.bigendian = u.b[3];
4042 dpsoftrast.fb_width = width;
4043 dpsoftrast.fb_height = height;
4044 dpsoftrast.fb_depthpixels = depthpixels;
4045 dpsoftrast.fb_colorpixels[0] = colorpixels;
4046 dpsoftrast.fb_colorpixels[1] = NULL;
4047 dpsoftrast.fb_colorpixels[1] = NULL;
4048 dpsoftrast.fb_colorpixels[1] = NULL;
4049 dpsoftrast.texture_firstfree = 1;
4050 dpsoftrast.texture_end = 1;
4051 dpsoftrast.texture_max = 0;
4052 dpsoftrast.user.colormask[0] = 1;
4053 dpsoftrast.user.colormask[1] = 1;
4054 dpsoftrast.user.colormask[2] = 1;
4055 dpsoftrast.user.colormask[3] = 1;
4056 dpsoftrast.user.blendfunc[0] = GL_ONE;
4057 dpsoftrast.user.blendfunc[1] = GL_ZERO;
4058 dpsoftrast.user.depthmask = true;
4059 dpsoftrast.user.depthtest = true;
4060 dpsoftrast.user.depthfunc = GL_LEQUAL;
4061 dpsoftrast.user.scissortest = false;
4062 dpsoftrast.user.cullface = GL_BACK;
4063 dpsoftrast.user.alphatest = false;
4064 dpsoftrast.user.alphafunc = GL_GREATER;
4065 dpsoftrast.user.alphavalue = 0.5f;
4066 dpsoftrast.user.scissor[0] = 0;
4067 dpsoftrast.user.scissor[1] = 0;
4068 dpsoftrast.user.scissor[2] = dpsoftrast.fb_width;
4069 dpsoftrast.user.scissor[3] = dpsoftrast.fb_height;
4070 dpsoftrast.user.viewport[0] = 0;
4071 dpsoftrast.user.viewport[1] = 0;
4072 dpsoftrast.user.viewport[2] = dpsoftrast.fb_width;
4073 dpsoftrast.user.viewport[3] = dpsoftrast.fb_height;
4074 dpsoftrast.user.depthrange[0] = 0;
4075 dpsoftrast.user.depthrange[1] = 1;
4076 dpsoftrast.user.polygonoffset[0] = 0;
4077 dpsoftrast.user.polygonoffset[1] = 0;
4078 dpsoftrast.user.color[0] = 1;
4079 dpsoftrast.user.color[1] = 1;
4080 dpsoftrast.user.color[2] = 1;
4081 dpsoftrast.user.color[3] = 1;
4082 dpsoftrast.validate = -1;
4083 DPSOFTRAST_Validate(-1);
4084 dpsoftrast.validate = 0;
4087 void DPSOFTRAST_Shutdown(void)
4090 for (i = 0;i < dpsoftrast.texture_end;i++)
4091 if (dpsoftrast.texture[i].bytes)
4092 free(dpsoftrast.texture[i].bytes);
4093 if (dpsoftrast.texture)
4094 free(dpsoftrast.texture);
4095 memset(&dpsoftrast, 0, sizeof(dpsoftrast));