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wined3d: Do not return WINED3DERR_INVALIDCALL for Phong shading.
[wine/multimedia.git] / dlls / wined3d / glsl_shader.c
blobea99f4969ff6f633e39ea72b8e31f112847e5b62
1 /*
2 * GLSL pixel and vertex shader implementation
3 *
4 * Copyright 2006 Jason Green
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22 #include <stdio.h>
23 #include "wined3d_private.h"
24
25 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
26
27 #define GLINFO_LOCATION (*gl_info)
28
29 /** Prints the GLSL info log which will contain error messages if they exist */
30 void print_glsl_info_log(WineD3D_GL_Info *gl_info, GLhandleARB obj) {
31
32 int infologLength = 0;
33 char *infoLog;
34
35 GL_EXTCALL(glGetObjectParameterivARB(obj,
36 GL_OBJECT_INFO_LOG_LENGTH_ARB,
37 &infologLength));
38
39 /* A size of 1 is just a null-terminated string, so the log should be bigger than
40 * that if there are errors. */
41 if (infologLength > 1)
42 {
43 infoLog = (char *)HeapAlloc(GetProcessHeap(), 0, infologLength);
44 GL_EXTCALL(glGetInfoLogARB(obj, infologLength, NULL, infoLog));
45 FIXME("Error received from GLSL shader #%u: %s\n", obj, debugstr_a(infoLog));
46 HeapFree(GetProcessHeap(), 0, infoLog);
47 }
48 }
49
50 /**
51 * Loads (pixel shader) samplers
52 */
53 void shader_glsl_load_psamplers(
54 WineD3D_GL_Info *gl_info,
55 IWineD3DStateBlock* iface) {
56
57 IWineD3DStateBlockImpl* stateBlock = (IWineD3DStateBlockImpl*) iface;
58 GLhandleARB programId = stateBlock->shaderPrgId;
59 GLhandleARB name_loc;
60 int i;
61 char sampler_name[20];
62
63 for (i=0; i< GL_LIMITS(samplers); ++i) {
64 if (stateBlock->textures[i] != NULL) {
65 snprintf(sampler_name, sizeof(sampler_name), "Psampler%d", i);
66 name_loc = GL_EXTCALL(glGetUniformLocationARB(programId, sampler_name));
67 if (name_loc != -1) {
68 TRACE_(d3d_shader)("Loading %s for texture %d\n", sampler_name, i);
69 GL_EXTCALL(glUniform1iARB(name_loc, i));
70 checkGLcall("glUniform1iARB");
71 }
72 }
73 }
74 }
75
76 /**
77 * Loads floating point constants (aka uniforms) into the currently set GLSL program.
78 * When @constants_set == NULL, it will load all the constants.
79 */
80 void shader_glsl_load_constantsF(
81 IWineD3DBaseShaderImpl* This,
82 WineD3D_GL_Info *gl_info,
83 GLhandleARB programId,
84 unsigned max_constants,
85 float* constants,
86 BOOL* constants_set) {
87
88 GLhandleARB tmp_loc;
89 int i;
90 char tmp_name[7];
91 char is_pshader = shader_is_pshader_version(This->baseShader.hex_version);
92 const char* prefix = is_pshader? "PC":"VC";
93 struct list* ptr;
94
95 for (i=0; i<max_constants; ++i) {
96 if (NULL == constants_set || constants_set[i]) {
97
98 TRACE("Loading constants %i: %f, %f, %f, %f\n", i,
99 constants[i * sizeof(float) + 0], constants[i * sizeof(float) + 1],
100 constants[i * sizeof(float) + 2], constants[i * sizeof(float) + 3]);
101
102 /* TODO: Benchmark and see if it would be beneficial to store the
103 * locations of the constants to avoid looking up each time */
104 snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, i);
105 tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
106 if (tmp_loc != -1) {
107 /* We found this uniform name in the program - go ahead and send the data */
108 GL_EXTCALL(glUniform4fvARB(tmp_loc, 1, &constants[i * sizeof(float)]));
109 checkGLcall("glUniform4fvARB");
110 }
111 }
112 }
113
114 /* Load immediate constants */
115 ptr = list_head(&This->baseShader.constantsF);
116 while (ptr) {
117 local_constant* lconst = LIST_ENTRY(ptr, struct local_constant, entry);
118 unsigned int idx = lconst->idx;
119 GLfloat* values = (GLfloat*) lconst->value;
120
121 TRACE("Loading local constants %i: %f, %f, %f, %f\n", idx,
122 values[0], values[1], values[2], values[3]);
123
124 snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, idx);
125 tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
126 if (tmp_loc != -1) {
127 /* We found this uniform name in the program - go ahead and send the data */
128 GL_EXTCALL(glUniform4fvARB(tmp_loc, 1, values));
129 checkGLcall("glUniform4fvARB");
130 }
131 ptr = list_next(&This->baseShader.constantsF, ptr);
132 }
133 }
134
135 /**
136 * Loads integer constants (aka uniforms) into the currently set GLSL program.
137 * When @constants_set == NULL, it will load all the constants.
138 */
139 void shader_glsl_load_constantsI(
140 IWineD3DBaseShaderImpl* This,
141 WineD3D_GL_Info *gl_info,
142 GLhandleARB programId,
143 unsigned max_constants,
144 int* constants,
145 BOOL* constants_set) {
146
147 GLhandleARB tmp_loc;
148 int i;
149 char tmp_name[7];
150 char is_pshader = shader_is_pshader_version(This->baseShader.hex_version);
151 const char* prefix = is_pshader? "PI":"VI";
152 struct list* ptr;
153
154 for (i=0; i<max_constants; ++i) {
155 if (NULL == constants_set || constants_set[i]) {
156
157 TRACE("Loading constants %i: %i, %i, %i, %i\n",
158 i, constants[i*4], constants[i*4+1], constants[i*4+2], constants[i*4+3]);
159
160 /* TODO: Benchmark and see if it would be beneficial to store the
161 * locations of the constants to avoid looking up each time */
162 snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, i);
163 tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
164 if (tmp_loc != -1) {
165 /* We found this uniform name in the program - go ahead and send the data */
166 GL_EXTCALL(glUniform4ivARB(tmp_loc, 1, &constants[i*4]));
167 checkGLcall("glUniform4ivARB");
168 }
169 }
170 }
171
172 /* Load immediate constants */
173 ptr = list_head(&This->baseShader.constantsI);
174 while (ptr) {
175 local_constant* lconst = LIST_ENTRY(ptr, struct local_constant, entry);
176 unsigned int idx = lconst->idx;
177 GLint* values = (GLint*) lconst->value;
178
179 TRACE("Loading local constants %i: %i, %i, %i, %i\n", idx,
180 values[0], values[1], values[2], values[3]);
181
182 snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, idx);
183 tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
184 if (tmp_loc != -1) {
185 /* We found this uniform name in the program - go ahead and send the data */
186 GL_EXTCALL(glUniform4ivARB(tmp_loc, 1, values));
187 checkGLcall("glUniform4ivARB");
188 }
189 ptr = list_next(&This->baseShader.constantsI, ptr);
190 }
191 }
192
193 /**
194 * Loads boolean constants (aka uniforms) into the currently set GLSL program.
195 * When @constants_set == NULL, it will load all the constants.
196 */
197 void shader_glsl_load_constantsB(
198 IWineD3DBaseShaderImpl* This,
199 WineD3D_GL_Info *gl_info,
200 GLhandleARB programId,
201 unsigned max_constants,
202 BOOL* constants,
203 BOOL* constants_set) {
204
205 GLhandleARB tmp_loc;
206 int i;
207 char tmp_name[7];
208 char is_pshader = shader_is_pshader_version(This->baseShader.hex_version);
209 const char* prefix = is_pshader? "PB":"VB";
210 struct list* ptr;
211
212 for (i=0; i<max_constants; ++i) {
213 if (NULL == constants_set || constants_set[i]) {
214
215 TRACE("Loading constants %i: %i;\n", i, constants[i*4]);
216
217 /* TODO: Benchmark and see if it would be beneficial to store the
218 * locations of the constants to avoid looking up each time */
219 snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, i);
220 tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
221 if (tmp_loc != -1) {
222 /* We found this uniform name in the program - go ahead and send the data */
223 GL_EXTCALL(glUniform1ivARB(tmp_loc, 1, &constants[i*4]));
224 checkGLcall("glUniform1ivARB");
225 }
226 }
227 }
228
229 /* Load immediate constants */
230 ptr = list_head(&This->baseShader.constantsB);
231 while (ptr) {
232 local_constant* lconst = LIST_ENTRY(ptr, struct local_constant, entry);
233 unsigned int idx = lconst->idx;
234 GLint* values = (GLint*) lconst->value;
235
236 TRACE("Loading local constants %i: %i\n", idx, values[0]);
237
238 snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, idx);
239 tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
240 if (tmp_loc != -1) {
241 /* We found this uniform name in the program - go ahead and send the data */
242 GL_EXTCALL(glUniform1ivARB(tmp_loc, 1, values));
243 checkGLcall("glUniform1ivARB");
244 }
245 ptr = list_next(&This->baseShader.constantsB, ptr);
246 }
247 }
248
249
250
251 /**
252 * Loads the app-supplied constants into the currently set GLSL program.
253 */
254 void shader_glsl_load_constants(
255 IWineD3DStateBlock* iface,
256 char usePixelShader,
257 char useVertexShader) {
258
259 IWineD3DStateBlockImpl* stateBlock = (IWineD3DStateBlockImpl*) iface;
260 WineD3D_GL_Info *gl_info = &((IWineD3DImpl*)stateBlock->wineD3DDevice->wineD3D)->gl_info;
261 GLhandleARB programId = stateBlock->shaderPrgId;
262
263 if (programId == 0) {
264 /* No GLSL program set - nothing to do. */
265 return;
266 }
267
268 if (useVertexShader) {
269 IWineD3DBaseShaderImpl* vshader = (IWineD3DBaseShaderImpl*) stateBlock->vertexShader;
270 IWineD3DVertexShaderImpl* vshader_impl = (IWineD3DVertexShaderImpl*) vshader;
271
272 IWineD3DVertexDeclarationImpl* vertexDeclaration =
273 (IWineD3DVertexDeclarationImpl*) vshader_impl->vertexDeclaration;
274
275 if (NULL != vertexDeclaration && NULL != vertexDeclaration->constants) {
276 /* Load DirectX 8 float constants/uniforms for vertex shader */
277 shader_glsl_load_constantsF(vshader, gl_info, programId, GL_LIMITS(vshader_constantsF),
278 vertexDeclaration->constants, NULL);
279 }
280
281 /* Load DirectX 9 float constants/uniforms for vertex shader */
282 shader_glsl_load_constantsF(vshader, gl_info, programId, GL_LIMITS(vshader_constantsF),
283 stateBlock->vertexShaderConstantF,
284 stateBlock->set.vertexShaderConstantsF);
285
286 /* Load DirectX 9 integer constants/uniforms for vertex shader */
287 shader_glsl_load_constantsI(vshader, gl_info, programId, MAX_CONST_I,
288 stateBlock->vertexShaderConstantI,
289 stateBlock->set.vertexShaderConstantsI);
290
291 /* Load DirectX 9 boolean constants/uniforms for vertex shader */
292 shader_glsl_load_constantsB(vshader, gl_info, programId, MAX_CONST_B,
293 stateBlock->vertexShaderConstantB,
294 stateBlock->set.vertexShaderConstantsB);
295 }
296
297 if (usePixelShader) {
298
299 IWineD3DBaseShaderImpl* pshader = (IWineD3DBaseShaderImpl*) stateBlock->pixelShader;
300
301 /* Load pixel shader samplers */
302 shader_glsl_load_psamplers(gl_info, iface);
303
304 /* Load DirectX 9 float constants/uniforms for pixel shader */
305 shader_glsl_load_constantsF(pshader, gl_info, programId, GL_LIMITS(pshader_constantsF),
306 stateBlock->pixelShaderConstantF,
307 stateBlock->set.pixelShaderConstantsF);
308
309 /* Load DirectX 9 integer constants/uniforms for pixel shader */
310 shader_glsl_load_constantsI(pshader, gl_info, programId, MAX_CONST_I,
311 stateBlock->pixelShaderConstantI,
312 stateBlock->set.pixelShaderConstantsI);
313
314 /* Load DirectX 9 boolean constants/uniforms for pixel shader */
315 shader_glsl_load_constantsB(pshader, gl_info, programId, MAX_CONST_B,
316 stateBlock->pixelShaderConstantB,
317 stateBlock->set.pixelShaderConstantsB);
318 }
319 }
320
321 /** Generate the variable & register declarations for the GLSL output target */
322 void shader_generate_glsl_declarations(
323 IWineD3DBaseShader *iface,
324 shader_reg_maps* reg_maps,
325 SHADER_BUFFER* buffer,
326 WineD3D_GL_Info* gl_info) {
327
328 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
329 int i;
330
331 /* There are some minor differences between pixel and vertex shaders */
332 char pshader = shader_is_pshader_version(This->baseShader.hex_version);
333 char prefix = pshader ? 'P' : 'V';
334
335 /* Prototype the subroutines */
336 for (i = 0; i < This->baseShader.limits.label; i++) {
337 if (reg_maps->labels[i])
338 shader_addline(buffer, "void subroutine%lu();\n", i);
339 }
340
341 /* Declare the constants (aka uniforms) */
342 if (This->baseShader.limits.constant_float > 0) {
343 unsigned max_constantsF = min(This->baseShader.limits.constant_float,
344 (pshader ? GL_LIMITS(pshader_constantsF) : GL_LIMITS(vshader_constantsF)));
345 shader_addline(buffer, "uniform vec4 %cC[%u];\n", prefix, max_constantsF);
346 }
347
348 if (This->baseShader.limits.constant_int > 0)
349 shader_addline(buffer, "uniform ivec4 %cI[%u];\n", prefix, This->baseShader.limits.constant_int);
350
351 if (This->baseShader.limits.constant_bool > 0)
352 shader_addline(buffer, "uniform bool %cB[%u];\n", prefix, This->baseShader.limits.constant_bool);
353
354 /* Declare texture samplers */
355 for (i = 0; i < This->baseShader.limits.sampler; i++) {
356 if (reg_maps->samplers[i]) {
357
358 DWORD stype = reg_maps->samplers[i] & D3DSP_TEXTURETYPE_MASK;
359 switch (stype) {
360
361 case D3DSTT_2D:
362 shader_addline(buffer, "uniform sampler2D %csampler%lu;\n", prefix, i);
363 break;
364 case D3DSTT_CUBE:
365 shader_addline(buffer, "uniform samplerCube %csampler%lu;\n", prefix, i);
366 break;
367 case D3DSTT_VOLUME:
368 shader_addline(buffer, "uniform sampler3D %csampler%lu;\n", prefix, i);
369 break;
370 default:
371 shader_addline(buffer, "uniform unsupported_sampler %csampler%lu;\n", prefix, i);
372 FIXME("Unrecognized sampler type: %#lx\n", stype);
373 break;
374 }
375 }
376 }
377
378 /* Declare address variables */
379 for (i = 0; i < This->baseShader.limits.address; i++) {
380 if (reg_maps->address[i])
381 shader_addline(buffer, "ivec4 A%ld;\n", i);
382 }
383
384 /* Declare texture coordinate temporaries and initialize them */
385 for (i = 0; i < This->baseShader.limits.texcoord; i++) {
386 if (reg_maps->texcoord[i])
387 shader_addline(buffer, "vec4 T%lu = gl_TexCoord[%lu];\n", i, i);
388 }
389
390 /* Declare input register temporaries */
391 for (i=0; i < This->baseShader.limits.packed_input; i++) {
392 if (reg_maps->packed_input[i])
393 shader_addline(buffer, "vec4 IN%lu;\n", i);
394 }
395
396 /* Declare output register temporaries */
397 for (i = 0; i < This->baseShader.limits.packed_output; i++) {
398 if (reg_maps->packed_output[i])
399 shader_addline(buffer, "vec4 OUT%lu;\n", i);
400 }
401
402 /* Declare temporary variables */
403 for(i = 0; i < This->baseShader.limits.temporary; i++) {
404 if (reg_maps->temporary[i])
405 shader_addline(buffer, "vec4 R%lu;\n", i);
406 }
407
408 /* Declare attributes */
409 for (i = 0; i < This->baseShader.limits.attributes; i++) {
410 if (reg_maps->attributes[i])
411 shader_addline(buffer, "attribute vec4 attrib%i;\n", i);
412 }
413
414 /* Declare loop register aL */
415 if (reg_maps->loop) {
416 shader_addline(buffer, "int aL;\n");
417 shader_addline(buffer, "int tmpInt;\n");
418 }
419
420 /* Temporary variables for matrix operations */
421 shader_addline(buffer, "vec4 tmp0;\n");
422 shader_addline(buffer, "vec4 tmp1;\n");
423
424 /* Start the main program */
425 shader_addline(buffer, "void main() {\n");
426 }
427
428 /*****************************************************************************
429 * Functions to generate GLSL strings from DirectX Shader bytecode begin here.
430 *
431 * For more information, see http://wiki.winehq.org/DirectX-Shaders
432 ****************************************************************************/
433
434 /* Prototypes */
435 static void shader_glsl_add_param(
436 SHADER_OPCODE_ARG* arg,
437 const DWORD param,
438 const DWORD addr_token,
439 BOOL is_input,
440 char *reg_name,
441 char *reg_mask,
442 char *out_str);
443
444 /** Used for opcode modifiers - They multiply the result by the specified amount */
445 static const char* shift_glsl_tab[] = {
446 "", /* 0 (none) */
447 "2.0 * ", /* 1 (x2) */
448 "4.0 * ", /* 2 (x4) */
449 "8.0 * ", /* 3 (x8) */
450 "16.0 * ", /* 4 (x16) */
451 "32.0 * ", /* 5 (x32) */
452 "", /* 6 (x64) */
453 "", /* 7 (x128) */
454 "", /* 8 (d256) */
455 "", /* 9 (d128) */
456 "", /* 10 (d64) */
457 "", /* 11 (d32) */
458 "0.0625 * ", /* 12 (d16) */
459 "0.125 * ", /* 13 (d8) */
460 "0.25 * ", /* 14 (d4) */
461 "0.5 * " /* 15 (d2) */
462 };
463
464 /** Print the beginning of the generated GLSL string. example: "reg_name.xyzw = vec4("
465 * Will also change the reg_mask if necessary (not all register types are equal in DX vs GL) */
466 static void shader_glsl_add_dst(DWORD param, const char* reg_name, char* reg_mask, char* outStr) {
467
468 int shift = (param & D3DSP_DSTSHIFT_MASK) >> D3DSP_DSTSHIFT_SHIFT;
469 char cast[6];
470
471 if ((shader_get_regtype(param) == D3DSPR_RASTOUT)
472 && ((param & D3DSP_REGNUM_MASK) != 0)) {
473 /* gl_FogFragCoord or glPointSize - both floats */
474 strcpy(cast, "float");
475 strcpy(reg_mask, "");
476
477 } else if (reg_name[0] == 'A') {
478 /* Address register for vertex shaders (ivec4) */
479 strcpy(cast, "ivec4");
480
481 } else {
482 /* Everything else should be a 4 component float vector */
483 strcpy(cast, "vec4");
484 }
485
486 sprintf(outStr, "%s%s = %s%s(", reg_name, reg_mask, shift_glsl_tab[shift], cast);
487 }
488
489 /* Generate a GLSL parameter that does the input modifier computation and return the input register/mask to use */
490 static void shader_glsl_gen_modifier (
491 const DWORD instr,
492 const char *in_reg,
493 const char *in_regswizzle,
494 char *out_str) {
495
496 out_str[0] = 0;
497
498 if (instr == D3DSIO_TEXKILL)
499 return;
500
501 switch (instr & D3DSP_SRCMOD_MASK) {
502 case D3DSPSM_NONE:
503 sprintf(out_str, "%s%s", in_reg, in_regswizzle);
504 break;
505 case D3DSPSM_NEG:
506 sprintf(out_str, "-%s%s", in_reg, in_regswizzle);
507 break;
508 case D3DSPSM_NOT:
509 sprintf(out_str, "!%s%s", in_reg, in_regswizzle);
510 break;
511 case D3DSPSM_BIAS:
512 sprintf(out_str, "(%s%s - vec4(0.5)%s)", in_reg, in_regswizzle, in_regswizzle);
513 break;
514 case D3DSPSM_BIASNEG:
515 sprintf(out_str, "-(%s%s - vec4(0.5)%s)", in_reg, in_regswizzle, in_regswizzle);
516 break;
517 case D3DSPSM_SIGN:
518 sprintf(out_str, "(2.0 * (%s%s - 0.5))", in_reg, in_regswizzle);
519 break;
520 case D3DSPSM_SIGNNEG:
521 sprintf(out_str, "-(2.0 * (%s%s - 0.5))", in_reg, in_regswizzle);
522 break;
523 case D3DSPSM_COMP:
524 sprintf(out_str, "(1.0 - %s%s)", in_reg, in_regswizzle);
525 break;
526 case D3DSPSM_X2:
527 sprintf(out_str, "(2.0 * %s%s)", in_reg, in_regswizzle);
528 break;
529 case D3DSPSM_X2NEG:
530 sprintf(out_str, "-(2.0 * %s%s)", in_reg, in_regswizzle);
531 break;
532 case D3DSPSM_DZ: /* reg1_db = { reg1.r/b, reg1.g/b, ...} The g & a components are undefined, so we'll leave them alone */
533 sprintf(out_str, "vec4(%s.r / %s.b, %s.g / %s.b, %s.b, %s.a)", in_reg, in_reg, in_reg, in_reg, in_reg, in_reg);
534 break;
535 case D3DSPSM_DW:
536 sprintf(out_str, "vec4(%s.r / %s.a, %s.g / %s.a, %s.b, %s.a)", in_reg, in_reg, in_reg, in_reg, in_reg, in_reg);
537 break;
538 case D3DSPSM_ABS:
539 sprintf(out_str, "abs(%s%s)", in_reg, in_regswizzle);
540 break;
541 case D3DSPSM_ABSNEG:
542 sprintf(out_str, "-abs(%s%s)", in_reg, in_regswizzle);
543 break;
544 default:
545 FIXME("Unhandled modifier %lu\n", (instr & D3DSP_SRCMOD_MASK));
546 sprintf(out_str, "%s%s", in_reg, in_regswizzle);
547 }
548 }
549
550 /** Writes the GLSL variable name that corresponds to the register that the
551 * DX opcode parameter is trying to access */
552 static void shader_glsl_get_register_name(
553 const DWORD param,
554 const DWORD addr_token,
555 char* regstr,
556 BOOL* is_color,
557 SHADER_OPCODE_ARG* arg) {
558
559 /* oPos, oFog and oPts in D3D */
560 const char* hwrastout_reg_names[] = { "gl_Position", "gl_FogFragCoord", "gl_PointSize" };
561
562 DWORD reg = param & D3DSP_REGNUM_MASK;
563 DWORD regtype = shader_get_regtype(param);
564 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) arg->shader;
565 char pshader = shader_is_pshader_version(This->baseShader.hex_version);
566 char tmpStr[50];
567
568 *is_color = FALSE;
569
570 switch (regtype) {
571 case D3DSPR_TEMP:
572 sprintf(tmpStr, "R%lu", reg);
573 break;
574 case D3DSPR_INPUT:
575 if (pshader) {
576 /* Pixel shaders >= 3.0 */
577 if (D3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3)
578 sprintf(tmpStr, "IN%lu", reg);
579 else {
580 if (reg==0)
581 strcpy(tmpStr, "gl_Color");
582 else
583 strcpy(tmpStr, "gl_SecondaryColor");
584 }
585 } else {
586 if (vshader_input_is_color((IWineD3DVertexShader*) This, reg))
587 *is_color = TRUE;
588 sprintf(tmpStr, "attrib%lu", reg);
589 }
590 break;
591 case D3DSPR_CONST:
592 {
593 const char* prefix = pshader? "PC":"VC";
594
595 /* Relative addressing */
596 if (param & D3DVS_ADDRMODE_RELATIVE) {
597
598 /* Relative addressing on shaders 2.0+ have a relative address token,
599 * prior to that, it was hard-coded as "A0.x" because there's only 1 register */
600 if (D3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2) {
601 char relStr[100], relReg[50], relMask[6];
602 shader_glsl_add_param(arg, addr_token, 0, TRUE, relReg, relMask, relStr);
603 sprintf(tmpStr, "%s[%s + %lu]", prefix, relStr, reg);
604 } else
605 sprintf(tmpStr, "%s[A0.x + %lu]", prefix, reg);
606
607 } else
608 sprintf(tmpStr, "%s[%lu]", prefix, reg);
609
610 break;
611 }
612 case D3DSPR_CONSTINT:
613 if (pshader)
614 sprintf(tmpStr, "PI[%lu]", reg);
615 else
616 sprintf(tmpStr, "VI[%lu]", reg);
617 break;
618 case D3DSPR_CONSTBOOL:
619 if (pshader)
620 sprintf(tmpStr, "PB[%lu]", reg);
621 else
622 sprintf(tmpStr, "VB[%lu]", reg);
623 break;
624 case D3DSPR_TEXTURE: /* case D3DSPR_ADDR: */
625 if (pshader) {
626 sprintf(tmpStr, "T%lu", reg);
627 } else {
628 sprintf(tmpStr, "A%lu", reg);
629 }
630 break;
631 case D3DSPR_LOOP:
632 sprintf(tmpStr, "aL");
633 break;
634 case D3DSPR_SAMPLER:
635 if (pshader)
636 sprintf(tmpStr, "Psampler%lu", reg);
637 else
638 sprintf(tmpStr, "Vsampler%lu", reg);
639 break;
640 case D3DSPR_COLOROUT:
641 if (reg == 0)
642 sprintf(tmpStr, "gl_FragColor");
643 else {
644 /* TODO: See GL_ARB_draw_buffers */
645 FIXME("Unsupported write to render target %lu\n", reg);
646 sprintf(tmpStr, "unsupported_register");
647 }
648 break;
649 case D3DSPR_RASTOUT:
650 sprintf(tmpStr, "%s", hwrastout_reg_names[reg]);
651 break;
652 case D3DSPR_DEPTHOUT:
653 sprintf(tmpStr, "gl_FragDepth");
654 break;
655 case D3DSPR_ATTROUT:
656 if (reg == 0) {
657 sprintf(tmpStr, "gl_FrontColor");
658 } else {
659 sprintf(tmpStr, "gl_FrontSecondaryColor");
660 }
661 break;
662 case D3DSPR_TEXCRDOUT:
663 /* Vertex shaders >= 3.0: D3DSPR_OUTPUT */
664 if (D3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3)
665 sprintf(tmpStr, "OUT%lu", reg);
666 else
667 sprintf(tmpStr, "gl_TexCoord[%lu]", reg);
668 break;
669 default:
670 FIXME("Unhandled register name Type(%ld)\n", regtype);
671 sprintf(tmpStr, "unrecognized_register");
672 break;
673 }
674
675 strcat(regstr, tmpStr);
676 }
677
678 /* Writes the GLSL writemask for the destination register */
679 static void shader_glsl_get_output_register_swizzle(
680 const DWORD param,
681 char *write_mask) {
682
683 *write_mask = 0;
684 if ((param & D3DSP_WRITEMASK_ALL) != D3DSP_WRITEMASK_ALL) {
685 strcat(write_mask, ".");
686 if (param & D3DSP_WRITEMASK_0) strcat(write_mask, "x");
687 if (param & D3DSP_WRITEMASK_1) strcat(write_mask, "y");
688 if (param & D3DSP_WRITEMASK_2) strcat(write_mask, "z");
689 if (param & D3DSP_WRITEMASK_3) strcat(write_mask, "w");
690 }
691 }
692
693 static void shader_glsl_get_input_register_swizzle(
694 const DWORD param,
695 BOOL is_color,
696 char *reg_mask) {
697
698 const char swizzle_reg_chars_color_fix[] = "zyxw";
699 const char swizzle_reg_chars[] = "xyzw";
700 const char* swizzle_regs = NULL;
701
702 /** operand input */
703 DWORD swizzle = (param & D3DVS_SWIZZLE_MASK) >> D3DVS_SWIZZLE_SHIFT;
704 DWORD swizzle_x = swizzle & 0x03;
705 DWORD swizzle_y = (swizzle >> 2) & 0x03;
706 DWORD swizzle_z = (swizzle >> 4) & 0x03;
707 DWORD swizzle_w = (swizzle >> 6) & 0x03;
708
709 if (is_color) {
710 swizzle_regs = swizzle_reg_chars_color_fix;
711 } else {
712 swizzle_regs = swizzle_reg_chars;
713 }
714
715 /**
716 * swizzle bits fields:
717 * WWZZYYXX
718 */
719 if ((D3DVS_NOSWIZZLE >> D3DVS_SWIZZLE_SHIFT) == swizzle) { /* D3DVS_NOSWIZZLE == 0xE4 << D3DVS_SWIZZLE_SHIFT */
720 if (is_color) {
721 sprintf(reg_mask, ".%c%c%c%c",
722 swizzle_regs[swizzle_x],
723 swizzle_regs[swizzle_y],
724 swizzle_regs[swizzle_z],
725 swizzle_regs[swizzle_w]);
726 }
727 return ;
728 }
729 if (swizzle_x == swizzle_y &&
730 swizzle_x == swizzle_z &&
731 swizzle_x == swizzle_w)
732 {
733 sprintf(reg_mask, ".%c", swizzle_regs[swizzle_x]);
734 } else {
735 sprintf(reg_mask, ".%c%c%c%c",
736 swizzle_regs[swizzle_x],
737 swizzle_regs[swizzle_y],
738 swizzle_regs[swizzle_z],
739 swizzle_regs[swizzle_w]);
740 }
741 }
742
743 /** From a given parameter token, generate the corresponding GLSL string.
744 * Also, return the actual register name and swizzle in case the
745 * caller needs this information as well. */
746 static void shader_glsl_add_param(
747 SHADER_OPCODE_ARG* arg,
748 const DWORD param,
749 const DWORD addr_token,
750 BOOL is_input,
751 char *reg_name,
752 char *reg_mask,
753 char *out_str) {
754
755 BOOL is_color = FALSE;
756 reg_mask[0] = reg_name[0] = out_str[0] = 0;
757
758 shader_glsl_get_register_name(param, addr_token, reg_name, &is_color, arg);
759
760 if (is_input) {
761 shader_glsl_get_input_register_swizzle(param, is_color, reg_mask);
762 shader_glsl_gen_modifier(param, reg_name, reg_mask, out_str);
763 } else {
764 shader_glsl_get_output_register_swizzle(param, reg_mask);
765 sprintf(out_str, "%s%s", reg_name, reg_mask);
766 }
767 }
768
769 /** Process GLSL instruction modifiers */
770 void shader_glsl_add_instruction_modifiers(SHADER_OPCODE_ARG* arg) {
771
772 DWORD mask = arg->dst & D3DSP_DSTMOD_MASK;
773
774 if (arg->opcode->dst_token && mask != 0) {
775 char dst_reg[50];
776 char dst_mask[6];
777 char dst_str[100];
778
779 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
780
781 if (mask & D3DSPDM_SATURATE) {
782 /* _SAT means to clamp the value of the register to between 0 and 1 */
783 shader_addline(arg->buffer, "%s%s = clamp(%s%s, 0.0, 1.0);\n", dst_reg, dst_mask, dst_reg, dst_mask);
784 }
785 if (mask & D3DSPDM_MSAMPCENTROID) {
786 FIXME("_centroid modifier not handled\n");
787 }
788 if (mask & D3DSPDM_PARTIALPRECISION) {
789 /* MSDN says this modifier can be safely ignored, so that's what we'll do. */
790 }
791 }
792 }
793
794 static inline const char* shader_get_comp_op(
795 const DWORD opcode) {
796
797 DWORD op = (opcode & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
798 switch (op) {
799 case COMPARISON_GT: return ">";
800 case COMPARISON_EQ: return "==";
801 case COMPARISON_GE: return ">=";
802 case COMPARISON_LT: return "<";
803 case COMPARISON_NE: return "!=";
804 case COMPARISON_LE: return "<=";
805 default:
806 FIXME("Unrecognized comparison value: %lu\n", op);
807 return "(\?\?)";
808 }
809 }
810
811 /*****************************************************************************
812 *
813 * Begin processing individual instruction opcodes
814 *
815 ****************************************************************************/
816
817 /* Generate GLSL arithmetic functions (dst = src1 + src2) */
818 void shader_glsl_arith(SHADER_OPCODE_ARG* arg) {
819
820 CONST SHADER_OPCODE* curOpcode = arg->opcode;
821 SHADER_BUFFER* buffer = arg->buffer;
822 char tmpLine[256];
823 char dst_reg[50], src0_reg[50], src1_reg[50];
824 char dst_mask[6], src0_mask[6], src1_mask[6];
825 char dst_str[100], src0_str[100], src1_str[100];
826
827 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
828 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
829 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
830 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
831 strcat(tmpLine, "vec4(");
832 strcat(tmpLine, src0_str);
833 strcat(tmpLine, ")");
834
835 /* Determine the GLSL operator to use based on the opcode */
836 switch (curOpcode->opcode) {
837 case D3DSIO_MUL: strcat(tmpLine, " * "); break;
838 case D3DSIO_ADD: strcat(tmpLine, " + "); break;
839 case D3DSIO_SUB: strcat(tmpLine, " - "); break;
840 default:
841 FIXME("Opcode %s not yet handled in GLSL\n", curOpcode->name);
842 break;
843 }
844 shader_addline(buffer, "%svec4(%s))%s;\n", tmpLine, src1_str, dst_mask);
845 }
846
847 /* Process the D3DSIO_MOV opcode using GLSL (dst = src) */
848 void shader_glsl_mov(SHADER_OPCODE_ARG* arg) {
849
850 SHADER_BUFFER* buffer = arg->buffer;
851 char tmpLine[256];
852 char dst_str[100], src0_str[100];
853 char dst_reg[50], src0_reg[50];
854 char dst_mask[6], src0_mask[6];
855
856 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
857 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
858 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
859 shader_addline(buffer, "%s%s)%s;\n", tmpLine, src0_str, dst_mask);
860 }
861
862 /* Process the dot product operators DP3 and DP4 in GLSL (dst = dot(src0, src1)) */
863 void shader_glsl_dot(SHADER_OPCODE_ARG* arg) {
864
865 CONST SHADER_OPCODE* curOpcode = arg->opcode;
866 SHADER_BUFFER* buffer = arg->buffer;
867 char tmpDest[100];
868 char dst_str[100], src0_str[100], src1_str[100];
869 char dst_reg[50], src0_reg[50], src1_reg[50];
870 char dst_mask[6], src0_mask[6], src1_mask[6];
871 char cast[6];
872
873 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
874 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
875 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
876
877 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpDest);
878
879 /* Need to cast the src vectors to vec3 for dp3, and vec4 for dp4 */
880 if (curOpcode->opcode == D3DSIO_DP4)
881 strcpy(cast, "vec4(");
882 else
883 strcpy(cast, "vec3(");
884
885 shader_addline(buffer, "%sdot(%s%s), %s%s)))%s;\n",
886 tmpDest, cast, src0_str, cast, src1_str, dst_mask);
887 }
888
889 /* Map the opcode 1-to-1 to the GL code (arg->dst = instruction(src0, src1, ...) */
890 void shader_glsl_map2gl(SHADER_OPCODE_ARG* arg) {
891
892 CONST SHADER_OPCODE* curOpcode = arg->opcode;
893 SHADER_BUFFER* buffer = arg->buffer;
894 char tmpLine[256];
895 char dst_str[100], src_str[100];
896 char dst_reg[50], src_reg[50];
897 char dst_mask[6], src_mask[6];
898 unsigned i;
899
900 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
901
902 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
903
904 /* Determine the GLSL function to use based on the opcode */
905 /* TODO: Possibly make this a table for faster lookups */
906 switch (curOpcode->opcode) {
907 case D3DSIO_MIN: strcat(tmpLine, "min"); break;
908 case D3DSIO_MAX: strcat(tmpLine, "max"); break;
909 case D3DSIO_RSQ: strcat(tmpLine, "inversesqrt"); break;
910 case D3DSIO_ABS: strcat(tmpLine, "abs"); break;
911 case D3DSIO_FRC: strcat(tmpLine, "fract"); break;
912 case D3DSIO_POW: strcat(tmpLine, "pow"); break;
913 case D3DSIO_CRS: strcat(tmpLine, "cross"); break;
914 case D3DSIO_NRM: strcat(tmpLine, "normalize"); break;
915 case D3DSIO_LOGP:
916 case D3DSIO_LOG: strcat(tmpLine, "log2"); break;
917 case D3DSIO_EXPP:
918 case D3DSIO_EXP: strcat(tmpLine, "exp2"); break;
919 case D3DSIO_SGE: strcat(tmpLine, "greaterThanEqual"); break;
920 case D3DSIO_SLT: strcat(tmpLine, "lessThan"); break;
921 case D3DSIO_SGN: strcat(tmpLine, "sign"); break;
922 default:
923 FIXME("Opcode %s not yet handled in GLSL\n", curOpcode->name);
924 break;
925 }
926
927 strcat(tmpLine, "(");
928
929 if (curOpcode->num_params > 0) {
930 strcat(tmpLine, "vec4(");
931 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src_reg, src_mask, src_str);
932 strcat(tmpLine, src_str);
933 strcat(tmpLine, ")");
934 for (i = 2; i < curOpcode->num_params; ++i) {
935 strcat(tmpLine, ", vec4(");
936 shader_glsl_add_param(arg, arg->src[i-1], arg->src_addr[i-1], TRUE, src_reg, src_mask, src_str);
937 strcat(tmpLine, src_str);
938 strcat(tmpLine, ")");
939 }
940 }
941 shader_addline(buffer, "%s))%s;\n", tmpLine, dst_mask);
942
943 }
944
945 /** Process the RCP (reciprocal or inverse) opcode in GLSL (dst = 1 / src) */
946 void shader_glsl_rcp(SHADER_OPCODE_ARG* arg) {
947
948 char tmpLine[256];
949 char dst_str[100], src_str[100];
950 char dst_reg[50], src_reg[50];
951 char dst_mask[6], src_mask[6];
952
953 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
954 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src_reg, src_mask, src_str);
955 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
956 strcat(tmpLine, "1.0 / ");
957 shader_addline(arg->buffer, "%s%s)%s;\n", tmpLine, src_str, dst_mask);
958 }
959
960 /** Process signed comparison opcodes in GLSL. */
961 void shader_glsl_compare(SHADER_OPCODE_ARG* arg) {
962
963 char tmpLine[256];
964 char dst_str[100], src0_str[100], src1_str[100];
965 char dst_reg[50], src0_reg[50], src1_reg[50];
966 char dst_mask[6], src0_mask[6], src1_mask[6];
967
968 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
969 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
970 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
971
972 /* If we are comparing vectors and not scalars, we should process this through map2gl using the GLSL functions. */
973 if (strlen(src0_mask) != 2) {
974 shader_glsl_map2gl(arg);
975 } else {
976 char compareStr[3];
977 compareStr[0] = 0;
978 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
979
980 switch (arg->opcode->opcode) {
981 case D3DSIO_SLT: strcpy(compareStr, "<"); break;
982 case D3DSIO_SGE: strcpy(compareStr, ">="); break;
983 default:
984 FIXME("Can't handle opcode %s\n", arg->opcode->name);
985 }
986 shader_addline(arg->buffer, "%s(float(%s) %s float(%s)) ? 1.0 : 0.0)%s;\n",
987 tmpLine, src0_str, compareStr, src1_str, dst_mask);
988 }
989 }
990
991 /** Process CMP instruction in GLSL (dst = src0.x > 0.0 ? src1.x : src2.x), per channel */
992 void shader_glsl_cmp(SHADER_OPCODE_ARG* arg) {
993
994 char tmpLine[256];
995 char dst_str[100], src0_str[100], src1_str[100], src2_str[100];
996 char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50];
997 char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6];
998
999 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1000 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1001 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1002 shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str);
1003
1004 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
1005 shader_addline(arg->buffer, "%smix(vec4(%s), vec4(%s), vec4(lessThan(vec4(%s), vec4(0.0)))))%s;\n",
1006 tmpLine, src1_str, src2_str, src0_str, dst_mask);
1007 }
1008
1009 /** Process the CND opcode in GLSL (dst = (src0 < 0.5) ? src1 : src2) */
1010 void shader_glsl_cnd(SHADER_OPCODE_ARG* arg) {
1011
1012 char tmpLine[256];
1013 char dst_str[100], src0_str[100], src1_str[100], src2_str[100];
1014 char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50];
1015 char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6];
1016
1017 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1018 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1019 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1020 shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str);
1021 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
1022 shader_addline(arg->buffer, "%s(%s < 0.5) ? %s : %s)%s;\n",
1023 tmpLine, src0_str, src1_str, src2_str, dst_mask);
1024 }
1025
1026 /** GLSL code generation for D3DSIO_MAD: Multiply the first 2 opcodes, then add the last */
1027 void shader_glsl_mad(SHADER_OPCODE_ARG* arg) {
1028
1029 char tmpLine[256];
1030 char dst_str[100], src0_str[100], src1_str[100], src2_str[100];
1031 char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50];
1032 char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6];
1033
1034 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1035 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1036 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1037 shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str);
1038 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
1039
1040 shader_addline(arg->buffer, "%s(vec4(%s) * vec4(%s)) + vec4(%s))%s;\n",
1041 tmpLine, src0_str, src1_str, src2_str, dst_mask);
1042 }
1043
1044 /** Handles transforming all D3DSIO_M?x? opcodes for
1045 Vertex shaders to GLSL codes */
1046 void shader_glsl_mnxn(SHADER_OPCODE_ARG* arg) {
1047 int i;
1048 int nComponents = 0;
1049 SHADER_OPCODE_ARG tmpArg;
1050
1051 memset(&tmpArg, 0, sizeof(SHADER_OPCODE_ARG));
1052
1053 /* Set constants for the temporary argument */
1054 tmpArg.shader = arg->shader;
1055 tmpArg.buffer = arg->buffer;
1056 tmpArg.src[0] = arg->src[0];
1057 tmpArg.src_addr[0] = arg->src_addr[0];
1058 tmpArg.src_addr[1] = arg->src_addr[1];
1059 tmpArg.reg_maps = arg->reg_maps;
1060
1061 switch(arg->opcode->opcode) {
1062 case D3DSIO_M4x4:
1063 nComponents = 4;
1064 tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP4];
1065 break;
1066 case D3DSIO_M4x3:
1067 nComponents = 3;
1068 tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP4];
1069 break;
1070 case D3DSIO_M3x4:
1071 nComponents = 4;
1072 tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP3];
1073 break;
1074 case D3DSIO_M3x3:
1075 nComponents = 3;
1076 tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP3];
1077 break;
1078 case D3DSIO_M3x2:
1079 nComponents = 2;
1080 tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP3];
1081 break;
1082 default:
1083 break;
1084 }
1085
1086 for (i = 0; i < nComponents; i++) {
1087 tmpArg.dst = ((arg->dst) & ~D3DSP_WRITEMASK_ALL)|(D3DSP_WRITEMASK_0<<i);
1088 tmpArg.src[1] = arg->src[1]+i;
1089 shader_glsl_dot(&tmpArg);
1090 }
1091 }
1092
1093 /**
1094 The LRP instruction performs a component-wise linear interpolation
1095 between the second and third operands using the first operand as the
1096 blend factor. Equation: (dst = src2 * (src1 - src0) + src0)
1097 */
1098 void shader_glsl_lrp(SHADER_OPCODE_ARG* arg) {
1099
1100 char tmpLine[256];
1101 char dst_str[100], src0_str[100], src1_str[100], src2_str[100];
1102 char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50];
1103 char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6];
1104
1105 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1106 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1107 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1108 shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str);
1109
1110 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
1111
1112 shader_addline(arg->buffer, "%s%s + %s * (%s - %s))%s;\n",
1113 tmpLine, src2_str, src0_str, src1_str, src2_str, dst_mask);
1114 }
1115
1116 /** Process the D3DSIO_LIT instruction in GLSL:
1117 * dst.x = dst.w = 1.0
1118 * dst.y = (src0.x > 0) ? src0.x
1119 * dst.z = (src0.x > 0) ? ((src0.y > 0) ? pow(src0.y, src.w) : 0) : 0
1120 * where src.w is clamped at +- 128
1121 */
1122 void shader_glsl_lit(SHADER_OPCODE_ARG* arg) {
1123
1124 char dst_str[100], src0_str[100];
1125 char dst_reg[50], src0_reg[50];
1126 char dst_mask[6], src0_mask[6];
1127
1128 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1129 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1130
1131 shader_addline(arg->buffer,
1132 "%s = vec4(1.0, (%s.x > 0.0 ? %s.x : 0.0), (%s.x > 0.0 ? ((%s.y > 0.0) ? pow(%s.y, clamp(%s.w, -128.0, 128.0)) : 0.0) : 0.0), 1.0)%s;\n",
1133 dst_str, src0_reg, src0_reg, src0_reg, src0_reg, src0_reg, src0_reg, dst_mask);
1134 }
1135
1136 /** Process the D3DSIO_DST instruction in GLSL:
1137 * dst.x = 1.0
1138 * dst.y = src0.x * src0.y
1139 * dst.z = src0.z
1140 * dst.w = src1.w
1141 */
1142 void shader_glsl_dst(SHADER_OPCODE_ARG* arg) {
1143
1144 char dst_str[100], src0_str[100], src1_str[100];
1145 char dst_reg[50], src0_reg[50], src1_reg[50];
1146 char dst_mask[6], src0_mask[6], src1_mask[6];
1147
1148 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1149 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1150 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1151
1152 shader_addline(arg->buffer, "%s = vec4(1.0, %s.x * %s.y, %s.z, %s.w)%s;\n",
1153 dst_str, src0_reg, src1_reg, src0_reg, src1_reg, dst_mask);
1154 }
1155
1156 /** Process the D3DSIO_SINCOS instruction in GLSL:
1157 * VS 2.0 requires that specific cosine and sine constants be passed to this instruction so the hardware
1158 * can handle it. But, these functions are built-in for GLSL, so we can just ignore the last 2 params.
1159 *
1160 * dst.x = cos(src0.?)
1161 * dst.y = sin(src0.?)
1162 * dst.z = dst.z
1163 * dst.w = dst.w
1164 */
1165 void shader_glsl_sincos(SHADER_OPCODE_ARG* arg) {
1166
1167 char dst_str[100], src0_str[100];
1168 char dst_reg[50], src0_reg[50];
1169 char dst_mask[6], src0_mask[6];
1170
1171 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1172 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1173
1174 shader_addline(arg->buffer, "%s = vec4(cos(%s), sin(%s), %s.z, %s.w)%s;\n",
1175 dst_str, src0_str, src0_str, dst_reg, dst_reg, dst_mask);
1176 }
1177
1178 /** Process the D3DSIO_LOOP instruction in GLSL:
1179 * Start a for() loop where src0.y is the initial value of aL,
1180 * increment aL by src0.z for a total of src0.x iterations.
1181 * Need to use a temporary variable for this operation.
1182 */
1183 void shader_glsl_loop(SHADER_OPCODE_ARG* arg) {
1184
1185 char src1_str[100];
1186 char src1_reg[50];
1187 char src1_mask[6];
1188
1189 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1190
1191 shader_addline(arg->buffer, "for (tmpInt = 0, aL = %s.y; tmpInt < %s.x; tmpInt++, aL += %s.z) {\n",
1192 src1_reg, src1_reg, src1_reg);
1193 }
1194
1195 void shader_glsl_end(SHADER_OPCODE_ARG* arg) {
1196 shader_addline(arg->buffer, "}\n");
1197 }
1198
1199 void shader_glsl_rep(SHADER_OPCODE_ARG* arg) {
1200
1201 char src0_str[100];
1202 char src0_reg[50];
1203 char src0_mask[6];
1204
1205 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1206 shader_addline(arg->buffer, "for (tmpInt = 0; tmpInt < %s.x; tmpInt++) {\n", src0_reg);
1207 }
1208
1209 void shader_glsl_if(SHADER_OPCODE_ARG* arg) {
1210
1211 char src0_str[100];
1212 char src0_reg[50];
1213 char src0_mask[6];
1214
1215 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1216 shader_addline(arg->buffer, "if (%s) {\n", src0_str);
1217 }
1218
1219 void shader_glsl_ifc(SHADER_OPCODE_ARG* arg) {
1220
1221 char src0_str[100], src1_str[100];
1222 char src0_reg[50], src1_reg[50];
1223 char src0_mask[6], src1_mask[6];
1224
1225 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1226 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1227
1228 shader_addline(arg->buffer, "if (%s %s %s) {\n",
1229 src0_str, shader_get_comp_op(arg->opcode_token), src1_str);
1230 }
1231
1232 void shader_glsl_else(SHADER_OPCODE_ARG* arg) {
1233 shader_addline(arg->buffer, "} else {\n");
1234 }
1235
1236 void shader_glsl_break(SHADER_OPCODE_ARG* arg) {
1237 shader_addline(arg->buffer, "break;\n");
1238 }
1239
1240 void shader_glsl_breakc(SHADER_OPCODE_ARG* arg) {
1241
1242 char src0_str[100], src1_str[100];
1243 char src0_reg[50], src1_reg[50];
1244 char src0_mask[6], src1_mask[6];
1245
1246 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1247 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1248
1249 shader_addline(arg->buffer, "if (%s %s %s) break;\n",
1250 src0_str, shader_get_comp_op(arg->opcode_token), src1_str);
1251 }
1252
1253 void shader_glsl_label(SHADER_OPCODE_ARG* arg) {
1254
1255 DWORD snum = (arg->src[0]) & D3DSP_REGNUM_MASK;
1256 shader_addline(arg->buffer, "}\n");
1257 shader_addline(arg->buffer, "void subroutine%lu () {\n", snum);
1258 }
1259
1260 void shader_glsl_call(SHADER_OPCODE_ARG* arg) {
1261 DWORD snum = (arg->src[0]) & D3DSP_REGNUM_MASK;
1262 shader_addline(arg->buffer, "subroutine%lu();\n", snum);
1263 }
1264
1265 void shader_glsl_callnz(SHADER_OPCODE_ARG* arg) {
1266
1267 char src1_str[100];
1268 char src1_reg[50];
1269 char src1_mask[6];
1270
1271 DWORD snum = (arg->src[0]) & D3DSP_REGNUM_MASK;
1272 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1273 shader_addline(arg->buffer, "if (%s) subroutine%lu();\n", src1_str, snum);
1274 }
1275
1276 /*********************************************
1277 * Pixel Shader Specific Code begins here
1278 ********************************************/
1279 void pshader_glsl_tex(SHADER_OPCODE_ARG* arg) {
1280
1281 /* FIXME: Make this work for more than just 2D textures */
1282
1283 IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
1284 SHADER_BUFFER* buffer = arg->buffer;
1285 DWORD hex_version = This->baseShader.hex_version;
1286
1287 char dst_str[100], dst_reg[50], dst_mask[6];
1288 char coord_str[100], coord_reg[50], coord_mask[6];
1289 char sampler_str[100], sampler_reg[50], sampler_mask[6];
1290 DWORD reg_dest_code = arg->dst & D3DSP_REGNUM_MASK;
1291 DWORD sampler_code, sampler_type;
1292
1293 /* All versions have a destination register */
1294 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1295
1296 /* 1.0-1.3: Use destination register as coordinate source.
1297 1.4+: Use provided coordinate source register. */
1298 if (hex_version < D3DPS_VERSION(1,4))
1299 strcpy(coord_reg, dst_reg);
1300 else
1301 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, coord_reg, coord_mask, coord_str);
1302
1303 /* 1.0-1.4: Use destination register as coordinate source.
1304 * 2.0+: Use provided coordinate source register. */
1305 if (hex_version < D3DPS_VERSION(2,0)) {
1306 sprintf(sampler_str, "Psampler%lu", reg_dest_code);
1307 sampler_code = reg_dest_code;
1308 }
1309 else {
1310 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, sampler_reg, sampler_mask, sampler_str);
1311 sampler_code = arg->src[1] & D3DSP_REGNUM_MASK;
1312 }
1313
1314 sampler_type = arg->reg_maps->samplers[sampler_code] & D3DSP_TEXTURETYPE_MASK;
1315 switch(sampler_type) {
1316
1317 case D3DSTT_2D:
1318 shader_addline(buffer, "%s = texture2D(%s, %s.st);\n", dst_str, sampler_str, coord_reg);
1319 break;
1320 case D3DSTT_CUBE:
1321 shader_addline(buffer, "%s = textureCube(%s, %s.stp);\n", dst_str, sampler_str, coord_reg);
1322 break;
1323 case D3DSTT_VOLUME:
1324 shader_addline(buffer, "%s = texture3D(%s, %s.stp);\n", dst_str, sampler_str, coord_reg);
1325 break;
1326 default:
1327 shader_addline(buffer, "%s = unrecognized_stype(%s, %s.stp);\n", dst_str, sampler_str, coord_reg);
1328 FIXME("Unrecognized sampler type: %#lx;\n", sampler_type);
1329 break;
1330 }
1331 }
1332
1333 void pshader_glsl_texcoord(SHADER_OPCODE_ARG* arg) {
1334
1335 /* FIXME: Make this work for more than just 2D textures */
1336
1337 IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
1338 SHADER_BUFFER* buffer = arg->buffer;
1339 DWORD hex_version = This->baseShader.hex_version;
1340
1341 char tmpStr[100];
1342 char tmpReg[50];
1343 char tmpMask[6];
1344 tmpReg[0] = 0;
1345
1346 shader_glsl_add_param(arg, arg->dst, 0, FALSE, tmpReg, tmpMask, tmpStr);
1347
1348 if (hex_version != D3DPS_VERSION(1,4)) {
1349 DWORD reg = arg->dst & D3DSP_REGNUM_MASK;
1350 shader_addline(buffer, "%s = clamp(gl_TexCoord[%lu], 0.0, 1.0);\n", tmpReg, reg);
1351 } else {
1352 DWORD reg2 = arg->src[0] & D3DSP_REGNUM_MASK;
1353 shader_addline(buffer, "%s = gl_TexCoord[%lu]%s;\n", tmpStr, reg2, tmpMask);
1354 }
1355 }
1356
1357 void pshader_glsl_texm3x2pad(SHADER_OPCODE_ARG* arg) {
1358
1359 DWORD reg = arg->dst & D3DSP_REGNUM_MASK;
1360 SHADER_BUFFER* buffer = arg->buffer;
1361 char src0_str[100];
1362 char src0_name[50];
1363 char src0_mask[6];
1364
1365 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_name, src0_mask, src0_str);
1366 shader_addline(buffer, "tmp0.x = dot(vec3(T%lu), vec3(%s));\n", reg, src0_name, src0_str);
1367 }
1368
1369 /** Process the D3DSIO_TEXM3X3PAD instruction in GLSL
1370 * Calculate the 1st or 2nd row of a 3-row matrix multiplication. */
1371 void pshader_glsl_texm3x3pad(SHADER_OPCODE_ARG* arg) {
1372
1373 IWineD3DPixelShaderImpl* shader = (IWineD3DPixelShaderImpl*) arg->shader;
1374 DWORD reg = arg->dst & D3DSP_REGNUM_MASK;
1375 SHADER_BUFFER* buffer = arg->buffer;
1376 SHADER_PARSE_STATE* current_state = &shader->baseShader.parse_state;
1377 char src0_str[100];
1378 char src0_name[50];
1379 char src0_mask[6];
1380
1381 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_name, src0_mask, src0_str);
1382 shader_addline(buffer, "tmp0.%c = dot(vec3(T%lu), vec3(%s));\n", 'x' + current_state->current_row, reg, src0_str);
1383 current_state->texcoord_w[current_state->current_row++] = reg;
1384 }
1385
1386 void pshader_glsl_texm3x2tex(SHADER_OPCODE_ARG* arg) {
1387
1388 /* FIXME: Make this work for more than just 2D textures */
1389
1390 DWORD reg = arg->dst & D3DSP_REGNUM_MASK;
1391 SHADER_BUFFER* buffer = arg->buffer;
1392 char src0_str[100];
1393 char src0_name[50];
1394 char src0_mask[6];
1395
1396 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_name, src0_mask, src0_str);
1397 shader_addline(buffer, "tmp0.y = dot(vec3(T%lu), vec3(%s));\n", reg, src0_str);
1398 shader_addline(buffer, "T%lu = texture2D(Psampler%lu, tmp0.st);\n", reg, reg);
1399 }
1400
1401 /** Process the D3DSIO_TEXM3X3VSPEC instruction in GLSL
1402 * Peform the final texture lookup based on the previous 2 3x3 matrix multiplies */
1403 void pshader_glsl_texm3x3vspec(SHADER_OPCODE_ARG* arg) {
1404
1405 IWineD3DPixelShaderImpl* shader = (IWineD3DPixelShaderImpl*) arg->shader;
1406 DWORD reg = arg->dst & D3DSP_REGNUM_MASK;
1407 SHADER_BUFFER* buffer = arg->buffer;
1408 SHADER_PARSE_STATE* current_state = &shader->baseShader.parse_state;
1409 char src0_str[100], src0_name[50], src0_mask[6];
1410
1411 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_name, src0_mask, src0_str);
1412
1413 /* Perform the last matrix multiply operation */
1414 shader_addline(buffer, "tmp0.z = dot(vec3(T%lu), vec3(%s));\n", reg, src0_str);
1415
1416 /* Construct the eye-ray vector from w coordinates */
1417 shader_addline(buffer, "tmp1.x = gl_TexCoord[%lu].w;\n", current_state->texcoord_w[0]);
1418 shader_addline(buffer, "tmp1.y = gl_TexCoord[%lu].w;\n", current_state->texcoord_w[1]);
1419 shader_addline(buffer, "tmp1.z = gl_TexCoord[%lu].w;\n", reg);
1420
1421 /* Calculate reflection vector (Assume normal is normalized): RF = 2*(N.E)*N -E */
1422 shader_addline(buffer, "tmp0.x = dot(vec3(tmp0), vec3(tmp1));\n");
1423 shader_addline(buffer, "tmp0 = tmp0.w * tmp0;\n");
1424 shader_addline(buffer, "tmp0 = (2.0 * tmp0) - tmp1;\n");
1425
1426 /* FIXME:
1427 * We don't really know if a Cube or a Volume texture is being sampled, but since Cube textures
1428 * are used more commonly, we'll default to that.
1429 * We probably need to push back the pixel shader generation code until drawPrimitive() for
1430 * shader versions < 2.0, since that's the only time we can guarantee that we're sampling
1431 * the correct type of texture because we can lookup what textures are bound at that point.
1432 */
1433 shader_addline(buffer, "T%lu = textureCube(Psampler%lu, tmp0.xyz);\n", reg, reg);
1434 current_state->current_row = 0;
1435 }
1436
1437 /** Process the D3DSIO_TEXBEM instruction in GLSL.
1438 * Apply a fake bump map transform.
1439 * FIXME: Should apply the BUMPMAPENV matrix. For now, just sample the texture */
1440 void pshader_glsl_texbem(SHADER_OPCODE_ARG* arg) {
1441
1442 DWORD reg1 = arg->dst & D3DSP_REGNUM_MASK;
1443 DWORD reg2 = arg->src[0] & D3DSP_REGNUM_MASK;
1444
1445 FIXME("Not applying the BUMPMAPENV matrix for pixel shader instruction texbem.\n");
1446 shader_addline(arg->buffer, "T%lu = texture2D(Psampler%lu, gl_TexCoord[%lu].xy + T%lu.xy);\n",
1447 reg1, reg1, reg1, reg2);
1448 }
1449
1450 /** Process the D3DSIO_TEXKILL instruction in GLSL.
1451 * If any of the first 3 components are < 0, discard this pixel */
1452 void pshader_glsl_texkill(SHADER_OPCODE_ARG* arg) {
1453
1454 char dst_str[100], dst_name[50], dst_mask[6];
1455
1456 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_name, dst_mask, dst_str);
1457 shader_addline(arg->buffer, "if (any(lessThan(%s.xyz, vec3(0.0)))) discard;\n", dst_name);
1458 }
1459
1460 /** Process the D3DSIO_DP2ADD instruction in GLSL.
1461 * dst = dot2(src0, src1) + src2 */
1462 void pshader_glsl_dp2add(SHADER_OPCODE_ARG* arg) {
1463
1464 char tmpLine[256];
1465 char dst_str[100], src0_str[100], src1_str[100], src2_str[100];
1466 char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50];
1467 char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6];
1468
1469 shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str);
1470 shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
1471 shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
1472 shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str);
1473 shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine);
1474 shader_addline(arg->buffer, "%sdot(vec2(%s), vec2(%s)) + %s)%s;\n",
1475 tmpLine, src0_str, src1_str, src2_str, dst_mask);
1476 }
1477
1478 void pshader_glsl_input_pack(
1479 SHADER_BUFFER* buffer,
1480 semantic* semantics_in) {
1481
1482 unsigned int i;
1483
1484 for (i = 0; i < MAX_REG_INPUT; i++) {
1485
1486 DWORD usage_token = semantics_in[i].usage;
1487 DWORD register_token = semantics_in[i].reg;
1488 DWORD usage, usage_idx;
1489 char reg_mask[6];
1490
1491 /* Uninitialized */
1492 if (!usage_token) continue;
1493 usage = (usage_token & D3DSP_DCL_USAGE_MASK) >> D3DSP_DCL_USAGE_SHIFT;
1494 usage_idx = (usage_token & D3DSP_DCL_USAGEINDEX_MASK) >> D3DSP_DCL_USAGEINDEX_SHIFT;
1495 shader_glsl_get_output_register_swizzle(register_token, reg_mask);
1496
1497 switch(usage) {
1498
1499 case D3DDECLUSAGE_COLOR:
1500 if (usage_idx == 0)
1501 shader_addline(buffer, "IN%lu%s = vec4(gl_Color)%s;\n",
1502 i, reg_mask, reg_mask);
1503 else if (usage_idx == 1)
1504 shader_addline(buffer, "IN%lu%s = vec4(gl_SecondaryColor)%s;\n",
1505 i, reg_mask, reg_mask);
1506 else
1507 shader_addline(buffer, "IN%lu%s = vec4(unsupported_color_input)%s;\n",
1508 i, reg_mask, reg_mask);
1509 break;
1510
1511 case D3DDECLUSAGE_TEXCOORD:
1512 shader_addline(buffer, "IN%lu%s = vec4(gl_TexCoord[%lu])%s;\n",
1513 i, reg_mask, usage_idx, reg_mask );
1514 break;
1515
1516 case D3DDECLUSAGE_FOG:
1517 shader_addline(buffer, "IN%lu%s = vec4(gl_FogFragCoord)%s;\n",
1518 i, reg_mask, reg_mask);
1519 break;
1520
1521 default:
1522 shader_addline(buffer, "IN%lu%s = vec4(unsupported_input)%s;\n",
1523 i, reg_mask, reg_mask);
1524 }
1525 }
1526 }
1527
1528 /*********************************************
1529 * Vertex Shader Specific Code begins here
1530 ********************************************/
1531
1532 void vshader_glsl_output_unpack(
1533 SHADER_BUFFER* buffer,
1534 semantic* semantics_out) {
1535
1536 unsigned int i;
1537
1538 for (i = 0; i < MAX_REG_OUTPUT; i++) {
1539
1540 DWORD usage_token = semantics_out[i].usage;
1541 DWORD register_token = semantics_out[i].reg;
1542 DWORD usage, usage_idx;
1543 char reg_mask[6];
1544
1545 /* Uninitialized */
1546 if (!usage_token) continue;
1547
1548 usage = (usage_token & D3DSP_DCL_USAGE_MASK) >> D3DSP_DCL_USAGE_SHIFT;
1549 usage_idx = (usage_token & D3DSP_DCL_USAGEINDEX_MASK) >> D3DSP_DCL_USAGEINDEX_SHIFT;
1550 shader_glsl_get_output_register_swizzle(register_token, reg_mask);
1551
1552 switch(usage) {
1553
1554 case D3DDECLUSAGE_COLOR:
1555 if (usage_idx == 0)
1556 shader_addline(buffer, "gl_FrontColor%s = OUT%lu%s;\n", reg_mask, i, reg_mask);
1557 else if (usage_idx == 1)
1558 shader_addline(buffer, "gl_FrontSecondaryColor%s = OUT%lu%s;\n", reg_mask, i, reg_mask);
1559 else
1560 shader_addline(buffer, "unsupported_color_output%s = OUT%lu%s;\n", reg_mask, i, reg_mask);
1561 break;
1562
1563 case D3DDECLUSAGE_POSITION:
1564 shader_addline(buffer, "gl_Position%s = OUT%lu%s;\n", reg_mask, i, reg_mask);
1565 break;
1566
1567 case D3DDECLUSAGE_TEXCOORD:
1568 shader_addline(buffer, "gl_TexCoord[%lu]%s = OUT%lu%s;\n",
1569 usage_idx, reg_mask, i, reg_mask);
1570 break;
1571
1572 case WINED3DSHADERDECLUSAGE_PSIZE:
1573 shader_addline(buffer, "gl_PointSize = OUT%lu.x;\n", i);
1574 break;
1575
1576 case WINED3DSHADERDECLUSAGE_FOG:
1577 shader_addline(buffer, "gl_FogFragCoord%s = OUT%lu%s;\n", reg_mask, i, reg_mask);
1578 break;
1579
1580 default:
1581 shader_addline(buffer, "unsupported_output%s = OUT%lu%s;\n", reg_mask, i, reg_mask);
1582 }
1583 }
1584 }
Maarten's multimedia branch