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wined3d: Create a frontend for parsing shaders.
[wine/multimedia.git] / dlls / wined3d / baseshader.c
blob92122888534dbd43f7c795894c86e683b67d7929
1 /*
2 * shaders implementation
3 *
4 * Copyright 2002-2003 Jason Edmeades
5 * Copyright 2002-2003 Raphael Junqueira
6 * Copyright 2004 Christian Costa
7 * Copyright 2005 Oliver Stieber
8 * Copyright 2006 Ivan Gyurdiev
9 * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
10 * Copyright 2009 Henri Verbeet for CodeWeavers
11 *
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 */
26
27 #include "config.h"
28 #include <string.h>
29 #include <stdio.h>
30 #include "wined3d_private.h"
31
32 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
33 WINE_DECLARE_DEBUG_CHANNEL(d3d);
34
35 static const char *shader_opcode_names[] =
36 {
37 /* WINED3DSIH_ABS */ "abs",
38 /* WINED3DSIH_ADD */ "add",
39 /* WINED3DSIH_BEM */ "bem",
40 /* WINED3DSIH_BREAK */ "break",
41 /* WINED3DSIH_BREAKC */ "breakc",
42 /* WINED3DSIH_BREAKP */ "breakp",
43 /* WINED3DSIH_CALL */ "call",
44 /* WINED3DSIH_CALLNZ */ "callnz",
45 /* WINED3DSIH_CMP */ "cmp",
46 /* WINED3DSIH_CND */ "cnd",
47 /* WINED3DSIH_CRS */ "crs",
48 /* WINED3DSIH_DCL */ "dcl",
49 /* WINED3DSIH_DEF */ "def",
50 /* WINED3DSIH_DEFB */ "defb",
51 /* WINED3DSIH_DEFI */ "defi",
52 /* WINED3DSIH_DP2ADD */ "dp2add",
53 /* WINED3DSIH_DP3 */ "dp3",
54 /* WINED3DSIH_DP4 */ "dp4",
55 /* WINED3DSIH_DST */ "dst",
56 /* WINED3DSIH_DSX */ "dsx",
57 /* WINED3DSIH_DSY */ "dsy",
58 /* WINED3DSIH_ELSE */ "else",
59 /* WINED3DSIH_ENDIF */ "endif",
60 /* WINED3DSIH_ENDLOOP */ "endloop",
61 /* WINED3DSIH_ENDREP */ "endrep",
62 /* WINED3DSIH_EXP */ "exp",
63 /* WINED3DSIH_EXPP */ "expp",
64 /* WINED3DSIH_FRC */ "frc",
65 /* WINED3DSIH_IF */ "if",
66 /* WINED3DSIH_IFC */ "ifc",
67 /* WINED3DSIH_LABEL */ "label",
68 /* WINED3DSIH_LIT */ "lit",
69 /* WINED3DSIH_LOG */ "log",
70 /* WINED3DSIH_LOGP */ "logp",
71 /* WINED3DSIH_LOOP */ "loop",
72 /* WINED3DSIH_LRP */ "lrp",
73 /* WINED3DSIH_M3x2 */ "m3x2",
74 /* WINED3DSIH_M3x3 */ "m3x3",
75 /* WINED3DSIH_M3x4 */ "m3x4",
76 /* WINED3DSIH_M4x3 */ "m4x3",
77 /* WINED3DSIH_M4x4 */ "m4x4",
78 /* WINED3DSIH_MAD */ "mad",
79 /* WINED3DSIH_MAX */ "max",
80 /* WINED3DSIH_MIN */ "min",
81 /* WINED3DSIH_MOV */ "mov",
82 /* WINED3DSIH_MOVA */ "mova",
83 /* WINED3DSIH_MUL */ "mul",
84 /* WINED3DSIH_NOP */ "nop",
85 /* WINED3DSIH_NRM */ "nrm",
86 /* WINED3DSIH_PHASE */ "phase",
87 /* WINED3DSIH_POW */ "pow",
88 /* WINED3DSIH_RCP */ "rcp",
89 /* WINED3DSIH_REP */ "rep",
90 /* WINED3DSIH_RET */ "ret",
91 /* WINED3DSIH_RSQ */ "rsq",
92 /* WINED3DSIH_SETP */ "setp",
93 /* WINED3DSIH_SGE */ "sge",
94 /* WINED3DSIH_SGN */ "sgn",
95 /* WINED3DSIH_SINCOS */ "sincos",
96 /* WINED3DSIH_SLT */ "slt",
97 /* WINED3DSIH_SUB */ "sub",
98 /* WINED3DSIH_TEX */ "texld",
99 /* WINED3DSIH_TEXBEM */ "texbem",
100 /* WINED3DSIH_TEXBEML */ "texbeml",
101 /* WINED3DSIH_TEXCOORD */ "texcrd",
102 /* WINED3DSIH_TEXDEPTH */ "texdepth",
103 /* WINED3DSIH_TEXDP3 */ "texdp3",
104 /* WINED3DSIH_TEXDP3TEX */ "texdp3tex",
105 /* WINED3DSIH_TEXKILL */ "texkill",
106 /* WINED3DSIH_TEXLDD */ "texldd",
107 /* WINED3DSIH_TEXLDL */ "texldl",
108 /* WINED3DSIH_TEXM3x2DEPTH */ "texm3x2depth",
109 /* WINED3DSIH_TEXM3x2PAD */ "texm3x2pad",
110 /* WINED3DSIH_TEXM3x2TEX */ "texm3x2tex",
111 /* WINED3DSIH_TEXM3x3 */ "texm3x3",
112 /* WINED3DSIH_TEXM3x3DIFF */ "texm3x3diff",
113 /* WINED3DSIH_TEXM3x3PAD */ "texm3x3pad",
114 /* WINED3DSIH_TEXM3x3SPEC */ "texm3x3spec",
115 /* WINED3DSIH_TEXM3x3TEX */ "texm3x3tex",
116 /* WINED3DSIH_TEXM3x3VSPEC */ "texm3x3vspec",
117 /* WINED3DSIH_TEXREG2AR */ "texreg2ar",
118 /* WINED3DSIH_TEXREG2GB */ "texreg2gb",
119 /* WINED3DSIH_TEXREG2RGB */ "texreg2rgb",
120 };
121
122 static inline BOOL shader_is_version_token(DWORD token) {
123 return shader_is_pshader_version(token) ||
124 shader_is_vshader_version(token);
125 }
126
127 void shader_buffer_init(struct SHADER_BUFFER *buffer)
128 {
129 buffer->buffer = HeapAlloc(GetProcessHeap(), 0, SHADER_PGMSIZE);
130 buffer->buffer[0] = '\0';
131 buffer->bsize = 0;
132 buffer->lineNo = 0;
133 buffer->newline = TRUE;
134 }
135
136 void shader_buffer_free(struct SHADER_BUFFER *buffer)
137 {
138 HeapFree(GetProcessHeap(), 0, buffer->buffer);
139 }
140
141 int shader_vaddline(SHADER_BUFFER* buffer, const char *format, va_list args)
142 {
143 char* base = buffer->buffer + buffer->bsize;
144 int rc;
145
146 rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
147
148 if (rc < 0 || /* C89 */
149 rc > SHADER_PGMSIZE - 1 - buffer->bsize) { /* C99 */
150
151 ERR("The buffer allocated for the shader program string "
152 "is too small at %d bytes.\n", SHADER_PGMSIZE);
153 buffer->bsize = SHADER_PGMSIZE - 1;
154 return -1;
155 }
156
157 if (buffer->newline) {
158 TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
159 buffer->newline = FALSE;
160 } else {
161 TRACE("%s", base);
162 }
163
164 buffer->bsize += rc;
165 if (buffer->buffer[buffer->bsize-1] == '\n') {
166 buffer->lineNo++;
167 buffer->newline = TRUE;
168 }
169 return 0;
170 }
171
172 int shader_addline(SHADER_BUFFER* buffer, const char *format, ...)
173 {
174 int ret;
175 va_list args;
176
177 va_start(args, format);
178 ret = shader_vaddline(buffer, format, args);
179 va_end(args);
180
181 return ret;
182 }
183
184 void shader_init(struct IWineD3DBaseShaderClass *shader,
185 IWineD3DDevice *device, const SHADER_OPCODE *instruction_table)
186 {
187 shader->ref = 1;
188 shader->device = device;
189 shader->shader_ins = instruction_table;
190 list_init(&shader->linked_programs);
191 }
192
193 /* Convert floating point offset relative
194 * to a register file to an absolute offset for float constants */
195 static unsigned int shader_get_float_offset(WINED3DSHADER_PARAM_REGISTER_TYPE register_type, UINT register_idx)
196 {
197 switch (register_type)
198 {
199 case WINED3DSPR_CONST: return register_idx;
200 case WINED3DSPR_CONST2: return 2048 + register_idx;
201 case WINED3DSPR_CONST3: return 4096 + register_idx;
202 case WINED3DSPR_CONST4: return 6144 + register_idx;
203 default:
204 FIXME("Unsupported register type: %d\n", register_type);
205 return register_idx;
206 }
207 }
208
209 static void shader_delete_constant_list(struct list* clist) {
210
211 struct list *ptr;
212 struct local_constant* constant;
213
214 ptr = list_head(clist);
215 while (ptr) {
216 constant = LIST_ENTRY(ptr, struct local_constant, entry);
217 ptr = list_next(clist, ptr);
218 HeapFree(GetProcessHeap(), 0, constant);
219 }
220 list_init(clist);
221 }
222
223 static void shader_record_register_usage(IWineD3DBaseShaderImpl *This, struct shader_reg_maps *reg_maps,
224 DWORD register_type, UINT register_idx, BOOL has_rel_addr, BOOL pshader)
225 {
226 switch (register_type)
227 {
228 case WINED3DSPR_TEXTURE: /* WINED3DSPR_ADDR */
229 if (pshader) reg_maps->texcoord[register_idx] = 1;
230 else reg_maps->address[register_idx] = 1;
231 break;
232
233 case WINED3DSPR_TEMP:
234 reg_maps->temporary[register_idx] = 1;
235 break;
236
237 case WINED3DSPR_INPUT:
238 if (!pshader) reg_maps->attributes[register_idx] = 1;
239 else
240 {
241 if (has_rel_addr)
242 {
243 /* If relative addressing is used, we must assume that all registers
244 * are used. Even if it is a construct like v3[aL], we can't assume
245 * that v0, v1 and v2 aren't read because aL can be negative */
246 unsigned int i;
247 for (i = 0; i < MAX_REG_INPUT; ++i)
248 {
249 ((IWineD3DPixelShaderImpl *)This)->input_reg_used[i] = TRUE;
250 }
251 }
252 else
253 {
254 ((IWineD3DPixelShaderImpl *)This)->input_reg_used[register_idx] = TRUE;
255 }
256 }
257 break;
258
259 case WINED3DSPR_RASTOUT:
260 if (register_idx == 1) reg_maps->fog = 1;
261 break;
262
263 case WINED3DSPR_MISCTYPE:
264 if (pshader && register_idx == 0) reg_maps->vpos = 1;
265 break;
266
267 case WINED3DSPR_CONST:
268 if (has_rel_addr)
269 {
270 if (!pshader)
271 {
272 if (register_idx <= ((IWineD3DVertexShaderImpl *)This)->min_rel_offset)
273 ((IWineD3DVertexShaderImpl *)This)->min_rel_offset = register_idx;
274 else if (register_idx >= ((IWineD3DVertexShaderImpl *)This)->max_rel_offset)
275 ((IWineD3DVertexShaderImpl *)This)->max_rel_offset = register_idx;
276 }
277 reg_maps->usesrelconstF = TRUE;
278 }
279 break;
280
281 case WINED3DSPR_CONSTINT:
282 reg_maps->integer_constants |= (1 << register_idx);
283 break;
284
285 case WINED3DSPR_CONSTBOOL:
286 reg_maps->boolean_constants |= (1 << register_idx);
287 break;
288
289 default:
290 TRACE("Not recording register of type %#x and idx %u\n", register_type, register_idx);
291 break;
292 }
293 }
294
295 /* Note that this does not count the loop register
296 * as an address register. */
297
298 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, const struct wined3d_shader_frontend *fe,
299 struct shader_reg_maps *reg_maps, struct wined3d_shader_semantic *semantics_in,
300 struct wined3d_shader_semantic *semantics_out, const DWORD *byte_code)
301 {
302 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
303 const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
304 DWORD shader_version;
305 unsigned int cur_loop_depth = 0, max_loop_depth = 0;
306 const DWORD* pToken = byte_code;
307 char pshader;
308
309 /* There are some minor differences between pixel and vertex shaders */
310
311 memset(reg_maps, 0, sizeof(*reg_maps));
312
313 /* get_registers_used is called on every compile on some 1.x shaders, which can result
314 * in stacking up a collection of local constants. Delete the old constants if existing
315 */
316 shader_delete_constant_list(&This->baseShader.constantsF);
317 shader_delete_constant_list(&This->baseShader.constantsB);
318 shader_delete_constant_list(&This->baseShader.constantsI);
319
320 /* The version token is supposed to be the first token */
321 if (!shader_is_version_token(*pToken))
322 {
323 FIXME("First token is not a version token, invalid shader.\n");
324 return WINED3DERR_INVALIDCALL;
325 }
326 reg_maps->shader_version = shader_version = *pToken++;
327 pshader = shader_is_pshader_version(shader_version);
328
329 while (WINED3DVS_END() != *pToken) {
330 struct wined3d_shader_instruction ins;
331 const char *comment;
332 UINT param_size;
333
334 /* Skip comments */
335 fe->shader_read_comment(&pToken, &comment);
336 if (comment) continue;
337
338 /* Fetch opcode */
339 fe->shader_read_opcode(&pToken, &ins, &param_size, shader_ins, shader_version);
340
341 /* Unhandled opcode, and its parameters */
342 if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
343 {
344 TRACE("Skipping unrecognized instruction.\n");
345 pToken += param_size;
346 continue;
347 }
348
349 /* Handle declarations */
350 if (ins.handler_idx == WINED3DSIH_DCL)
351 {
352 struct wined3d_shader_semantic semantic;
353
354 fe->shader_read_semantic(&pToken, &semantic);
355
356 switch (semantic.reg.register_type)
357 {
358 /* Vshader: mark attributes used
359 * Pshader: mark 3.0 input registers used, save token */
360 case WINED3DSPR_INPUT:
361 if (!pshader) reg_maps->attributes[semantic.reg.register_idx] = 1;
362 else reg_maps->packed_input[semantic.reg.register_idx] = 1;
363 semantics_in[semantic.reg.register_idx] = semantic;
364 break;
365
366 /* Vshader: mark 3.0 output registers used, save token */
367 case WINED3DSPR_OUTPUT:
368 reg_maps->packed_output[semantic.reg.register_idx] = 1;
369 semantics_out[semantic.reg.register_idx] = semantic;
370 if (semantic.usage == WINED3DDECLUSAGE_FOG) reg_maps->fog = 1;
371 break;
372
373 /* Save sampler usage token */
374 case WINED3DSPR_SAMPLER:
375 reg_maps->sampler_type[semantic.reg.register_idx] = semantic.sampler_type;
376 break;
377
378 default:
379 TRACE("Not recording DCL register type %#x.\n", semantic.reg.register_type);
380 break;
381 }
382 }
383 else if (ins.handler_idx == WINED3DSIH_DEF)
384 {
385 struct wined3d_shader_dst_param dst;
386 struct wined3d_shader_src_param rel_addr;
387
388 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
389 if (!lconst) return E_OUTOFMEMORY;
390
391 fe->shader_read_dst_param(&pToken, &dst, &rel_addr, shader_version);
392 lconst->idx = dst.register_idx;
393
394 memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
395 pToken += 4;
396
397 /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
398 if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1 && pshader)
399 {
400 float *value = (float *) lconst->value;
401 if(value[0] < -1.0) value[0] = -1.0;
402 else if(value[0] > 1.0) value[0] = 1.0;
403 if(value[1] < -1.0) value[1] = -1.0;
404 else if(value[1] > 1.0) value[1] = 1.0;
405 if(value[2] < -1.0) value[2] = -1.0;
406 else if(value[2] > 1.0) value[2] = 1.0;
407 if(value[3] < -1.0) value[3] = -1.0;
408 else if(value[3] > 1.0) value[3] = 1.0;
409 }
410
411 list_add_head(&This->baseShader.constantsF, &lconst->entry);
412 }
413 else if (ins.handler_idx == WINED3DSIH_DEFI)
414 {
415 struct wined3d_shader_dst_param dst;
416 struct wined3d_shader_src_param rel_addr;
417
418 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
419 if (!lconst) return E_OUTOFMEMORY;
420
421 fe->shader_read_dst_param(&pToken, &dst, &rel_addr, shader_version);
422 lconst->idx = dst.register_idx;
423
424 memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
425 pToken += 4;
426
427 list_add_head(&This->baseShader.constantsI, &lconst->entry);
428 }
429 else if (ins.handler_idx == WINED3DSIH_DEFB)
430 {
431 struct wined3d_shader_dst_param dst;
432 struct wined3d_shader_src_param rel_addr;
433
434 local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
435 if (!lconst) return E_OUTOFMEMORY;
436
437 fe->shader_read_dst_param(&pToken, &dst, &rel_addr, shader_version);
438 lconst->idx = dst.register_idx;
439
440 memcpy(lconst->value, pToken, sizeof(DWORD));
441 ++pToken;
442
443 list_add_head(&This->baseShader.constantsB, &lconst->entry);
444 }
445 /* If there's a loop in the shader */
446 else if (ins.handler_idx == WINED3DSIH_LOOP
447 || ins.handler_idx == WINED3DSIH_REP)
448 {
449 struct wined3d_shader_src_param src, rel_addr;
450
451 fe->shader_read_src_param(&pToken, &src, &rel_addr, shader_version);
452
453 /* Rep and Loop always use an integer constant for the control parameters */
454 if (ins.handler_idx == WINED3DSIH_REP)
455 {
456 reg_maps->integer_constants |= 1 << src.register_idx;
457 }
458 else
459 {
460 fe->shader_read_src_param(&pToken, &src, &rel_addr, shader_version);
461 reg_maps->integer_constants |= 1 << src.register_idx;
462 }
463
464 cur_loop_depth++;
465 if(cur_loop_depth > max_loop_depth)
466 max_loop_depth = cur_loop_depth;
467 }
468 else if (ins.handler_idx == WINED3DSIH_ENDLOOP
469 || ins.handler_idx == WINED3DSIH_ENDREP)
470 {
471 cur_loop_depth--;
472 }
473 /* For subroutine prototypes */
474 else if (ins.handler_idx == WINED3DSIH_LABEL)
475 {
476 struct wined3d_shader_src_param src, rel_addr;
477
478 fe->shader_read_src_param(&pToken, &src, &rel_addr, shader_version);
479 reg_maps->labels[src.register_idx] = 1;
480 }
481 /* Set texture, address, temporary registers */
482 else
483 {
484 int i, limit;
485
486 /* This will loop over all the registers and try to
487 * make a bitmask of the ones we're interested in.
488 *
489 * Relative addressing tokens are ignored, but that's
490 * okay, since we'll catch any address registers when
491 * they are initialized (required by spec) */
492
493 if (ins.dst_count)
494 {
495 struct wined3d_shader_dst_param dst_param;
496 struct wined3d_shader_src_param dst_rel_addr;
497
498 fe->shader_read_dst_param(&pToken, &dst_param, &dst_rel_addr, shader_version);
499
500 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and
501 * is used in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel
502 * shaders because TECRDOUT isn't used in them, but future register types might cause issues */
503 if (!pshader && WINED3DSHADER_VERSION_MAJOR(shader_version) < 3
504 && dst_param.register_type == WINED3DSPR_TEXCRDOUT)
505 {
506 reg_maps->texcoord_mask[dst_param.register_type] |= dst_param.write_mask;
507 }
508 else
509 {
510 shader_record_register_usage(This, reg_maps, dst_param.register_type,
511 dst_param.register_idx, !!dst_param.rel_addr, pshader);
512 }
513
514 /* Declare 1.X samplers implicitly, based on the destination reg. number */
515 if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1
516 && pshader /* Filter different instructions with the same enum values in VS */
517 && (ins.handler_idx == WINED3DSIH_TEX
518 || ins.handler_idx == WINED3DSIH_TEXBEM
519 || ins.handler_idx == WINED3DSIH_TEXBEML
520 || ins.handler_idx == WINED3DSIH_TEXDP3TEX
521 || ins.handler_idx == WINED3DSIH_TEXM3x2TEX
522 || ins.handler_idx == WINED3DSIH_TEXM3x3SPEC
523 || ins.handler_idx == WINED3DSIH_TEXM3x3TEX
524 || ins.handler_idx == WINED3DSIH_TEXM3x3VSPEC
525 || ins.handler_idx == WINED3DSIH_TEXREG2AR
526 || ins.handler_idx == WINED3DSIH_TEXREG2GB
527 || ins.handler_idx == WINED3DSIH_TEXREG2RGB))
528 {
529 /* Fake sampler usage, only set reserved bit and ttype */
530 DWORD sampler_code = dst_param.register_idx;
531
532 TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
533 reg_maps->sampler_type[sampler_code] = WINED3DSTT_2D;
534
535 /* texbem is only valid with < 1.4 pixel shaders */
536 if (ins.handler_idx == WINED3DSIH_TEXBEM
537 || ins.handler_idx == WINED3DSIH_TEXBEML)
538 {
539 reg_maps->bumpmat[sampler_code] = TRUE;
540 if (ins.handler_idx == WINED3DSIH_TEXBEML)
541 {
542 reg_maps->luminanceparams[sampler_code] = TRUE;
543 }
544 }
545 }
546 else if (pshader && ins.handler_idx == WINED3DSIH_BEM)
547 {
548 reg_maps->bumpmat[dst_param.register_idx] = TRUE;
549 }
550 }
551
552 if (ins.handler_idx == WINED3DSIH_NRM)
553 {
554 reg_maps->usesnrm = 1;
555 }
556 else if (ins.handler_idx == WINED3DSIH_DSY)
557 {
558 reg_maps->usesdsy = 1;
559 }
560
561 limit = ins.src_count + (ins.predicate ? 1 : 0);
562 for (i = 0; i < limit; ++i)
563 {
564 struct wined3d_shader_src_param src_param, src_rel_addr;
565
566 fe->shader_read_src_param(&pToken, &src_param, &src_rel_addr, shader_version);
567 shader_record_register_usage(This, reg_maps, src_param.register_type,
568 src_param.register_idx, !!src_param.rel_addr, pshader);
569 }
570 }
571 }
572 ++pToken;
573 reg_maps->loop_depth = max_loop_depth;
574
575 This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
576
577 return WINED3D_OK;
578 }
579
580 static void shader_dump_decl_usage(const struct wined3d_shader_semantic *semantic, DWORD shader_version)
581 {
582 TRACE("dcl");
583
584 if (semantic->reg.register_type == WINED3DSPR_SAMPLER)
585 {
586 switch (semantic->sampler_type)
587 {
588 case WINED3DSTT_2D: TRACE("_2d"); break;
589 case WINED3DSTT_CUBE: TRACE("_cube"); break;
590 case WINED3DSTT_VOLUME: TRACE("_volume"); break;
591 default: TRACE("_unknown_ttype(0x%08x)", semantic->sampler_type);
592 }
593 }
594 else
595 {
596 /* Pixel shaders 3.0 don't have usage semantics */
597 if (shader_is_pshader_version(shader_version) && shader_version < WINED3DPS_VERSION(3,0))
598 return;
599 else
600 TRACE("_");
601
602 switch (semantic->usage)
603 {
604 case WINED3DDECLUSAGE_POSITION:
605 TRACE("position%d", semantic->usage_idx);
606 break;
607 case WINED3DDECLUSAGE_BLENDINDICES:
608 TRACE("blend");
609 break;
610 case WINED3DDECLUSAGE_BLENDWEIGHT:
611 TRACE("weight");
612 break;
613 case WINED3DDECLUSAGE_NORMAL:
614 TRACE("normal%d", semantic->usage_idx);
615 break;
616 case WINED3DDECLUSAGE_PSIZE:
617 TRACE("psize");
618 break;
619 case WINED3DDECLUSAGE_COLOR:
620 if (semantic->usage_idx == 0) TRACE("color");
621 else TRACE("specular%d", (semantic->usage_idx - 1));
622 break;
623 case WINED3DDECLUSAGE_TEXCOORD:
624 TRACE("texture%d", semantic->usage_idx);
625 break;
626 case WINED3DDECLUSAGE_TANGENT:
627 TRACE("tangent");
628 break;
629 case WINED3DDECLUSAGE_BINORMAL:
630 TRACE("binormal");
631 break;
632 case WINED3DDECLUSAGE_TESSFACTOR:
633 TRACE("tessfactor");
634 break;
635 case WINED3DDECLUSAGE_POSITIONT:
636 TRACE("positionT%d", semantic->usage_idx);
637 break;
638 case WINED3DDECLUSAGE_FOG:
639 TRACE("fog");
640 break;
641 case WINED3DDECLUSAGE_DEPTH:
642 TRACE("depth");
643 break;
644 case WINED3DDECLUSAGE_SAMPLE:
645 TRACE("sample");
646 break;
647 default:
648 FIXME("unknown_semantics(0x%08x)", semantic->usage);
649 }
650 }
651 }
652
653 static void shader_dump_register(WINED3DSHADER_PARAM_REGISTER_TYPE register_type, UINT register_idx,
654 const struct wined3d_shader_src_param *rel_addr, DWORD shader_version)
655 {
656 static const char * const rastout_reg_names[] = {"oPos", "oFog", "oPts"};
657 static const char * const misctype_reg_names[] = {"vPos", "vFace"};
658 UINT offset = register_idx;
659
660 switch (register_type)
661 {
662 case WINED3DSPR_TEMP:
663 TRACE("r");
664 break;
665
666 case WINED3DSPR_INPUT:
667 TRACE("v");
668 break;
669
670 case WINED3DSPR_CONST:
671 case WINED3DSPR_CONST2:
672 case WINED3DSPR_CONST3:
673 case WINED3DSPR_CONST4:
674 TRACE("c");
675 offset = shader_get_float_offset(register_type, register_idx);
676 break;
677
678 case WINED3DSPR_TEXTURE: /* vs: case WINED3DSPR_ADDR */
679 TRACE("%c", shader_is_pshader_version(shader_version) ? 't' : 'a');
680 break;
681
682 case WINED3DSPR_RASTOUT:
683 TRACE("%s", rastout_reg_names[register_idx]);
684 break;
685
686 case WINED3DSPR_COLOROUT:
687 TRACE("oC");
688 break;
689
690 case WINED3DSPR_DEPTHOUT:
691 TRACE("oDepth");
692 break;
693
694 case WINED3DSPR_ATTROUT:
695 TRACE("oD");
696 break;
697
698 case WINED3DSPR_TEXCRDOUT:
699 /* Vertex shaders >= 3.0 use general purpose output registers
700 * (WINED3DSPR_OUTPUT), which can include an address token */
701 if (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 3) TRACE("o");
702 else TRACE("oT");
703 break;
704
705 case WINED3DSPR_CONSTINT:
706 TRACE("i");
707 break;
708
709 case WINED3DSPR_CONSTBOOL:
710 TRACE("b");
711 break;
712
713 case WINED3DSPR_LABEL:
714 TRACE("l");
715 break;
716
717 case WINED3DSPR_LOOP:
718 TRACE("aL");
719 break;
720
721 case WINED3DSPR_SAMPLER:
722 TRACE("s");
723 break;
724
725 case WINED3DSPR_MISCTYPE:
726 if (register_idx > 1) FIXME("Unhandled misctype register %d\n", register_idx);
727 else TRACE("%s", misctype_reg_names[register_idx]);
728 break;
729
730 case WINED3DSPR_PREDICATE:
731 TRACE("p");
732 break;
733
734 default:
735 TRACE("unhandled_rtype(%#x)", register_type);
736 break;
737 }
738
739 if (register_type != WINED3DSPR_RASTOUT && register_type != WINED3DSPR_MISCTYPE)
740 {
741 if (rel_addr)
742 {
743 TRACE("[");
744 shader_dump_src_param(rel_addr, shader_version);
745 TRACE(" + ");
746 }
747 TRACE("%u", offset);
748 if (rel_addr) TRACE("]");
749 }
750 }
751
752 void shader_dump_dst_param(const struct wined3d_shader_dst_param *param, DWORD shader_version)
753 {
754 DWORD write_mask = param->write_mask;
755
756 shader_dump_register(param->register_type, param->register_idx, param->rel_addr, shader_version);
757
758 if (write_mask != WINED3DSP_WRITEMASK_ALL)
759 {
760 static const char *write_mask_chars = "xyzw";
761
762 TRACE(".");
763 if (write_mask & WINED3DSP_WRITEMASK_0) TRACE("%c", write_mask_chars[0]);
764 if (write_mask & WINED3DSP_WRITEMASK_1) TRACE("%c", write_mask_chars[1]);
765 if (write_mask & WINED3DSP_WRITEMASK_2) TRACE("%c", write_mask_chars[2]);
766 if (write_mask & WINED3DSP_WRITEMASK_3) TRACE("%c", write_mask_chars[3]);
767 }
768 }
769
770 void shader_dump_src_param(const struct wined3d_shader_src_param *param, DWORD shader_version)
771 {
772 DWORD src_modifier = param->modifiers;
773 DWORD swizzle = param->swizzle;
774
775 if (src_modifier == WINED3DSPSM_NEG
776 || src_modifier == WINED3DSPSM_BIASNEG
777 || src_modifier == WINED3DSPSM_SIGNNEG
778 || src_modifier == WINED3DSPSM_X2NEG
779 || src_modifier == WINED3DSPSM_ABSNEG)
780 TRACE("-");
781 else if (src_modifier == WINED3DSPSM_COMP)
782 TRACE("1-");
783 else if (src_modifier == WINED3DSPSM_NOT)
784 TRACE("!");
785
786 if (src_modifier == WINED3DSPSM_ABS || src_modifier == WINED3DSPSM_ABSNEG)
787 TRACE("abs(");
788
789 shader_dump_register(param->register_type, param->register_idx, param->rel_addr, shader_version);
790
791 if (src_modifier)
792 {
793 switch (src_modifier)
794 {
795 case WINED3DSPSM_NONE: break;
796 case WINED3DSPSM_NEG: break;
797 case WINED3DSPSM_NOT: break;
798 case WINED3DSPSM_BIAS: TRACE("_bias"); break;
799 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
800 case WINED3DSPSM_SIGN: TRACE("_bx2"); break;
801 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
802 case WINED3DSPSM_COMP: break;
803 case WINED3DSPSM_X2: TRACE("_x2"); break;
804 case WINED3DSPSM_X2NEG: TRACE("_x2"); break;
805 case WINED3DSPSM_DZ: TRACE("_dz"); break;
806 case WINED3DSPSM_DW: TRACE("_dw"); break;
807 case WINED3DSPSM_ABSNEG: TRACE(")"); break;
808 case WINED3DSPSM_ABS: TRACE(")"); break;
809 default:
810 TRACE("_unknown_modifier(%#x)", src_modifier);
811 }
812 }
813
814 if (swizzle != WINED3DSP_NOSWIZZLE)
815 {
816 static const char *swizzle_chars = "xyzw";
817 DWORD swizzle_x = swizzle & 0x03;
818 DWORD swizzle_y = (swizzle >> 2) & 0x03;
819 DWORD swizzle_z = (swizzle >> 4) & 0x03;
820 DWORD swizzle_w = (swizzle >> 6) & 0x03;
821
822 if (swizzle_x == swizzle_y
823 && swizzle_x == swizzle_z
824 && swizzle_x == swizzle_w)
825 {
826 TRACE(".%c", swizzle_chars[swizzle_x]);
827 }
828 else
829 {
830 TRACE(".%c%c%c%c", swizzle_chars[swizzle_x], swizzle_chars[swizzle_y],
831 swizzle_chars[swizzle_z], swizzle_chars[swizzle_w]);
832 }
833 }
834 }
835
836 /* Shared code in order to generate the bulk of the shader string.
837 * NOTE: A description of how to parse tokens can be found on msdn */
838 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER *buffer,
839 const struct wined3d_shader_frontend *fe, const shader_reg_maps *reg_maps,
840 const DWORD *pFunction)
841 {
842 IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
843 IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
844 const SHADER_OPCODE *opcode_table = This->baseShader.shader_ins;
845 const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
846 DWORD shader_version = reg_maps->shader_version;
847 struct wined3d_shader_src_param src_rel_addr[4];
848 struct wined3d_shader_src_param src_param[4];
849 struct wined3d_shader_src_param dst_rel_addr;
850 struct wined3d_shader_dst_param dst_param;
851 struct wined3d_shader_instruction ins;
852 struct wined3d_shader_context ctx;
853 const DWORD *pToken = pFunction;
854 SHADER_HANDLER hw_fct;
855 DWORD i;
856
857 /* Initialize current parsing state */
858 ctx.shader = iface;
859 ctx.reg_maps = reg_maps;
860 ctx.buffer = buffer;
861
862 ins.ctx = &ctx;
863 ins.dst = &dst_param;
864 ins.src = src_param;
865 This->baseShader.parse_state.current_row = 0;
866
867 if (!shader_is_version_token(*pToken++))
868 {
869 ERR("First token is not a version token, invalid shader.\n");
870 return;
871 }
872
873 while (WINED3DPS_END() != *pToken)
874 {
875 const char *comment;
876 UINT param_size;
877
878 /* Skip comment tokens */
879 fe->shader_read_comment(&pToken, &comment);
880 if (comment) continue;
881
882 /* Read opcode */
883 fe->shader_read_opcode(&pToken, &ins, &param_size, opcode_table, shader_version);
884
885 /* Unknown opcode and its parameters */
886 if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
887 {
888 TRACE("Skipping unrecognized instruction.\n");
889 pToken += param_size;
890 continue;
891 }
892
893 /* Nothing to do */
894 if (ins.handler_idx == WINED3DSIH_DCL
895 || ins.handler_idx == WINED3DSIH_NOP
896 || ins.handler_idx == WINED3DSIH_DEF
897 || ins.handler_idx == WINED3DSIH_DEFI
898 || ins.handler_idx == WINED3DSIH_DEFB
899 || ins.handler_idx == WINED3DSIH_PHASE
900 || ins.handler_idx == WINED3DSIH_RET)
901 {
902 pToken += param_size;
903 continue;
904 }
905
906 /* Select handler */
907 hw_fct = handler_table[ins.handler_idx];
908
909 /* Unhandled opcode */
910 if (!hw_fct)
911 {
912 FIXME("Backend can't handle opcode %#x\n", ins.handler_idx);
913 pToken += param_size;
914 continue;
915 }
916
917 /* Destination token */
918 if (ins.dst_count) fe->shader_read_dst_param(&pToken, &dst_param, &dst_rel_addr, shader_version);
919
920 /* Predication token */
921 if (ins.predicate) ins.predicate = *pToken++;
922
923 /* Other source tokens */
924 for (i = 0; i < ins.src_count; ++i)
925 {
926 fe->shader_read_src_param(&pToken, &src_param[i], &src_rel_addr[i], shader_version);
927 }
928
929 /* Call appropriate function for output target */
930 hw_fct(&ins);
931
932 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
933 /* FIXME: This should be internal to the shader backend.
934 * Also, right now this is the only reason "shader_mode" exists. */
935 if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&ins);
936 }
937 }
938
939 static void shader_dump_ins_modifiers(const struct wined3d_shader_dst_param *dst)
940 {
941 DWORD mmask = dst->modifiers;
942
943 switch (dst->shift)
944 {
945 case 0: break;
946 case 13: TRACE("_d8"); break;
947 case 14: TRACE("_d4"); break;
948 case 15: TRACE("_d2"); break;
949 case 1: TRACE("_x2"); break;
950 case 2: TRACE("_x4"); break;
951 case 3: TRACE("_x8"); break;
952 default: TRACE("_unhandled_shift(%d)", dst->shift); break;
953 }
954
955 if (mmask & WINED3DSPDM_SATURATE) TRACE("_sat");
956 if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
957 if (mmask & WINED3DSPDM_MSAMPCENTROID) TRACE("_centroid");
958
959 mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
960 if (mmask)
961 FIXME("_unrecognized_modifier(%#x)", mmask);
962 }
963
964 void shader_trace_init(const struct wined3d_shader_frontend *fe,
965 const DWORD *pFunction, const SHADER_OPCODE *opcode_table)
966 {
967 const DWORD* pToken = pFunction;
968 DWORD shader_version;
969 DWORD i;
970
971 TRACE("Parsing %p\n", pFunction);
972
973 /* The version token is supposed to be the first token */
974 if (!shader_is_version_token(*pToken))
975 {
976 FIXME("First token is not a version token, invalid shader.\n");
977 return;
978 }
979 shader_version = *pToken++;
980 TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version) ? "ps": "vs",
981 WINED3DSHADER_VERSION_MAJOR(shader_version), WINED3DSHADER_VERSION_MINOR(shader_version));
982
983 while (WINED3DVS_END() != *pToken)
984 {
985 struct wined3d_shader_instruction ins;
986 const char *comment;
987 UINT param_size;
988
989 /* comment */
990 fe->shader_read_comment(&pToken, &comment);
991 if (comment)
992 {
993 TRACE("//%s\n", comment);
994 continue;
995 }
996
997 fe->shader_read_opcode(&pToken, &ins, &param_size, opcode_table, shader_version);
998 if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
999 {
1000 TRACE("Skipping unrecognized instruction.\n");
1001 pToken += param_size;
1002 continue;
1003 }
1004
1005 if (ins.handler_idx == WINED3DSIH_DCL)
1006 {
1007 struct wined3d_shader_semantic semantic;
1008
1009 fe->shader_read_semantic(&pToken, &semantic);
1010
1011 shader_dump_decl_usage(&semantic, shader_version);
1012 shader_dump_ins_modifiers(&semantic.reg);
1013 TRACE(" ");
1014 shader_dump_dst_param(&semantic.reg, shader_version);
1015 }
1016 else if (ins.handler_idx == WINED3DSIH_DEF)
1017 {
1018 struct wined3d_shader_dst_param dst;
1019 struct wined3d_shader_src_param rel_addr;
1020
1021 fe->shader_read_dst_param(&pToken, &dst, &rel_addr, shader_version);
1022
1023 TRACE("def c%u = %f, %f, %f, %f", shader_get_float_offset(dst.register_type, dst.register_idx),
1024 *(const float *)(pToken),
1025 *(const float *)(pToken + 1),
1026 *(const float *)(pToken + 2),
1027 *(const float *)(pToken + 3));
1028 pToken += 4;
1029 }
1030 else if (ins.handler_idx == WINED3DSIH_DEFI)
1031 {
1032 struct wined3d_shader_dst_param dst;
1033 struct wined3d_shader_src_param rel_addr;
1034
1035 fe->shader_read_dst_param(&pToken, &dst, &rel_addr, shader_version);
1036
1037 TRACE("defi i%u = %d, %d, %d, %d", dst.register_idx,
1038 *(pToken),
1039 *(pToken + 1),
1040 *(pToken + 2),
1041 *(pToken + 3));
1042 pToken += 4;
1043 }
1044 else if (ins.handler_idx == WINED3DSIH_DEFB)
1045 {
1046 struct wined3d_shader_dst_param dst;
1047 struct wined3d_shader_src_param rel_addr;
1048
1049 fe->shader_read_dst_param(&pToken, &dst, &rel_addr, shader_version);
1050
1051 TRACE("defb b%u = %s", dst.register_idx, *pToken ? "true" : "false");
1052 ++pToken;
1053 }
1054 else
1055 {
1056 struct wined3d_shader_src_param dst_rel_addr, src_rel_addr;
1057 struct wined3d_shader_dst_param dst_param;
1058 struct wined3d_shader_src_param src_param;
1059
1060 if (ins.dst_count)
1061 {
1062 fe->shader_read_dst_param(&pToken, &dst_param, &dst_rel_addr, shader_version);
1063 }
1064
1065 /* Print out predication source token first - it follows
1066 * the destination token. */
1067 if (ins.predicate)
1068 {
1069 fe->shader_read_src_param(&pToken, &src_param, &src_rel_addr, shader_version);
1070 TRACE("(");
1071 shader_dump_src_param(&src_param, shader_version);
1072 TRACE(") ");
1073 }
1074
1075 /* PixWin marks instructions with the coissue flag with a '+' */
1076 if (ins.coissue) TRACE("+");
1077
1078 TRACE("%s", shader_opcode_names[ins.handler_idx]);
1079
1080 if (ins.handler_idx == WINED3DSIH_IFC
1081 || ins.handler_idx == WINED3DSIH_BREAKC)
1082 {
1083 switch (ins.flags)
1084 {
1085 case COMPARISON_GT: TRACE("_gt"); break;
1086 case COMPARISON_EQ: TRACE("_eq"); break;
1087 case COMPARISON_GE: TRACE("_ge"); break;
1088 case COMPARISON_LT: TRACE("_lt"); break;
1089 case COMPARISON_NE: TRACE("_ne"); break;
1090 case COMPARISON_LE: TRACE("_le"); break;
1091 default: TRACE("_(%u)", ins.flags);
1092 }
1093 }
1094 else if (ins.handler_idx == WINED3DSIH_TEX
1095 && shader_version >= WINED3DPS_VERSION(2,0)
1096 && (ins.flags & WINED3DSI_TEXLD_PROJECT))
1097 {
1098 TRACE("p");
1099 }
1100
1101 /* We already read the destination token, print it. */
1102 if (ins.dst_count)
1103 {
1104 shader_dump_ins_modifiers(&dst_param);
1105 TRACE(" ");
1106 shader_dump_dst_param(&dst_param, shader_version);
1107 }
1108
1109 /* Other source tokens */
1110 for (i = ins.dst_count; i < (ins.dst_count + ins.src_count); ++i)
1111 {
1112 fe->shader_read_src_param(&pToken, &src_param, &src_rel_addr, shader_version);
1113 TRACE(!i ? " " : ", ");
1114 shader_dump_src_param(&src_param, shader_version);
1115 }
1116 }
1117 TRACE("\n");
1118 }
1119 }
1120
1121 void shader_cleanup(IWineD3DBaseShader *iface)
1122 {
1123 IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1124
1125 ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1126 HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1127 shader_delete_constant_list(&This->baseShader.constantsF);
1128 shader_delete_constant_list(&This->baseShader.constantsB);
1129 shader_delete_constant_list(&This->baseShader.constantsI);
1130 list_remove(&This->baseShader.shader_list_entry);
1131 }
1132
1133 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1134 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1135 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1136 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1137 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1138 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1139 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1140 static void shader_none_load_np2fixup_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1141 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1142 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1143 static void shader_none_free(IWineD3DDevice *iface) {}
1144 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1145 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface, const struct wined3d_shader_frontend *fe,
1146 SHADER_BUFFER *buffer, const struct ps_compile_args *args)
1147 {
1148 FIXME("NONE shader backend asked to generate a pixel shader\n");
1149 return 0;
1150 }
1151 static GLuint shader_none_generate_vshader(IWineD3DVertexShader *iface, const struct wined3d_shader_frontend *fe,
1152 SHADER_BUFFER *buffer, const struct vs_compile_args *args)
1153 {
1154 FIXME("NONE shader backend asked to generate a vertex shader\n");
1155 return 0;
1156 }
1157
1158 #define GLINFO_LOCATION (*gl_info)
1159 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1160 {
1161 /* Set the shader caps to 0 for the none shader backend */
1162 pCaps->VertexShaderVersion = 0;
1163 pCaps->PixelShaderVersion = 0;
1164 pCaps->PixelShader1xMaxValue = 0.0;
1165 }
1166 #undef GLINFO_LOCATION
1167 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1168 {
1169 if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1170 {
1171 TRACE("Checking support for fixup:\n");
1172 dump_color_fixup_desc(fixup);
1173 }
1174
1175 /* Faked to make some apps happy. */
1176 if (!is_yuv_fixup(fixup))
1177 {
1178 TRACE("[OK]\n");
1179 return TRUE;
1180 }
1181
1182 TRACE("[FAILED]\n");
1183 return FALSE;
1184 }
1185
1186 const shader_backend_t none_shader_backend = {
1187 shader_none_instruction_handler_table,
1188 shader_none_select,
1189 shader_none_select_depth_blt,
1190 shader_none_deselect_depth_blt,
1191 shader_none_update_float_vertex_constants,
1192 shader_none_update_float_pixel_constants,
1193 shader_none_load_constants,
1194 shader_none_load_np2fixup_constants,
1195 shader_none_destroy,
1196 shader_none_alloc,
1197 shader_none_free,
1198 shader_none_dirty_const,
1199 shader_none_generate_pshader,
1200 shader_none_generate_vshader,
1201 shader_none_get_caps,
1202 shader_none_color_fixup_supported,
1203 };
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