1 /*
2 * Copyright © 2008, 2009 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23 #include <getopt.h>
24
25 /** @file standalone.cpp
26 *
27 * Standalone compiler helper lib. Used by standalone glsl_compiler and
28 * also available to drivers to implement their own standalone compiler
29 * with driver backend.
30 */
31
32 #include "ast.h"
33 #include "glsl_parser_extras.h"
34 #include "ir_optimization.h"
35 #include "program.h"
36 #include "loop_analysis.h"
37 #include "standalone_scaffolding.h"
38 #include "standalone.h"
39 #include "string_to_uint_map.h"
40 #include "util/set.h"
41 #include "linker.h"
42 #include "glsl_parser_extras.h"
43 #include "ir_builder_print_visitor.h"
44 #include "builtin_functions.h"
45 #include "opt_add_neg_to_sub.h"
46
47 class dead_variable_visitor : public ir_hierarchical_visitor {
48 public:
dead_variable_visitor()49 dead_variable_visitor()
50 {
51 variables = _mesa_set_create(NULL,
52 _mesa_hash_pointer,
53 _mesa_key_pointer_equal);
54 }
55
~dead_variable_visitor()56 virtual ~dead_variable_visitor()
57 {
58 _mesa_set_destroy(variables, NULL);
59 }
60
visit(ir_variable * ir)61 virtual ir_visitor_status visit(ir_variable *ir)
62 {
63 /* If the variable is auto or temp, add it to the set of variables that
64 * are candidates for removal.
65 */
66 if (ir->data.mode != ir_var_auto && ir->data.mode != ir_var_temporary)
67 return visit_continue;
68
69 _mesa_set_add(variables, ir);
70
71 return visit_continue;
72 }
73
visit(ir_dereference_variable * ir)74 virtual ir_visitor_status visit(ir_dereference_variable *ir)
75 {
76 struct set_entry *entry = _mesa_set_search(variables, ir->var);
77
78 /* If a variable is dereferenced at all, remove it from the set of
79 * variables that are candidates for removal.
80 */
81 if (entry != NULL)
82 _mesa_set_remove(variables, entry);
83
84 return visit_continue;
85 }
86
remove_dead_variables()87 void remove_dead_variables()
88 {
89 struct set_entry *entry;
90
91 set_foreach(variables, entry) {
92 ir_variable *ir = (ir_variable *) entry->key;
93
94 assert(ir->ir_type == ir_type_variable);
95 ir->remove();
96 }
97 }
98
99 private:
100 set *variables;
101 };
102
103 static void
init_gl_program(struct gl_program * prog,bool is_arb_asm)104 init_gl_program(struct gl_program *prog, bool is_arb_asm)
105 {
106 prog->RefCount = 1;
107 prog->Format = GL_PROGRAM_FORMAT_ASCII_ARB;
108 prog->is_arb_asm = is_arb_asm;
109 }
110
111 static struct gl_program *
new_program(UNUSED struct gl_context * ctx,GLenum target,UNUSED GLuint id,bool is_arb_asm)112 new_program(UNUSED struct gl_context *ctx, GLenum target,
113 UNUSED GLuint id, bool is_arb_asm)
114 {
115 switch (target) {
116 case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */
117 case GL_GEOMETRY_PROGRAM_NV:
118 case GL_TESS_CONTROL_PROGRAM_NV:
119 case GL_TESS_EVALUATION_PROGRAM_NV:
120 case GL_FRAGMENT_PROGRAM_ARB:
121 case GL_COMPUTE_PROGRAM_NV: {
122 struct gl_program *prog = rzalloc(NULL, struct gl_program);
123 init_gl_program(prog, is_arb_asm);
124 return prog;
125 }
126 default:
127 printf("bad target in new_program\n");
128 return NULL;
129 }
130 }
131
132 static const struct standalone_options *options;
133
134 static void
initialize_context(struct gl_context * ctx,gl_api api)135 initialize_context(struct gl_context *ctx, gl_api api)
136 {
137 initialize_context_to_defaults(ctx, api);
138
139 /* The standalone compiler needs to claim support for almost
140 * everything in order to compile the built-in functions.
141 */
142 ctx->Const.GLSLVersion = options->glsl_version;
143 ctx->Extensions.ARB_ES3_compatibility = true;
144 ctx->Const.MaxComputeWorkGroupCount[0] = 65535;
145 ctx->Const.MaxComputeWorkGroupCount[1] = 65535;
146 ctx->Const.MaxComputeWorkGroupCount[2] = 65535;
147 ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
148 ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
149 ctx->Const.MaxComputeWorkGroupSize[2] = 64;
150 ctx->Const.MaxComputeWorkGroupInvocations = 1024;
151 ctx->Const.MaxComputeSharedMemorySize = 32768;
152 ctx->Const.MaxComputeVariableGroupSize[0] = 512;
153 ctx->Const.MaxComputeVariableGroupSize[1] = 512;
154 ctx->Const.MaxComputeVariableGroupSize[2] = 64;
155 ctx->Const.MaxComputeVariableGroupInvocations = 512;
156 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
157 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
158 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxCombinedUniformComponents = 1024;
159 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
160 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */
161 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicBuffers = 8;
162 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicCounters = 8;
163 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxImageUniforms = 8;
164 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformBlocks = 12;
165
166 switch (ctx->Const.GLSLVersion) {
167 case 100:
168 ctx->Const.MaxClipPlanes = 0;
169 ctx->Const.MaxCombinedTextureImageUnits = 8;
170 ctx->Const.MaxDrawBuffers = 2;
171 ctx->Const.MinProgramTexelOffset = 0;
172 ctx->Const.MaxProgramTexelOffset = 0;
173 ctx->Const.MaxLights = 0;
174 ctx->Const.MaxTextureCoordUnits = 0;
175 ctx->Const.MaxTextureUnits = 8;
176
177 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 8;
178 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
179 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 128 * 4;
180 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 128 * 4;
181 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
182 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
183
184 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
185 ctx->Const.MaxCombinedTextureImageUnits;
186 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 16 * 4;
187 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 16 * 4;
188 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
189 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
190 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
191
192 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
193 break;
194 case 110:
195 case 120:
196 ctx->Const.MaxClipPlanes = 6;
197 ctx->Const.MaxCombinedTextureImageUnits = 2;
198 ctx->Const.MaxDrawBuffers = 1;
199 ctx->Const.MinProgramTexelOffset = 0;
200 ctx->Const.MaxProgramTexelOffset = 0;
201 ctx->Const.MaxLights = 8;
202 ctx->Const.MaxTextureCoordUnits = 2;
203 ctx->Const.MaxTextureUnits = 2;
204
205 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
206 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
207 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512;
208 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 512;
209 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
210 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
211
212 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
213 ctx->Const.MaxCombinedTextureImageUnits;
214 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64;
215 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 64;
216 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
217 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
218 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
219
220 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
221 break;
222 case 130:
223 case 140:
224 ctx->Const.MaxClipPlanes = 8;
225 ctx->Const.MaxCombinedTextureImageUnits = 16;
226 ctx->Const.MaxDrawBuffers = 8;
227 ctx->Const.MinProgramTexelOffset = -8;
228 ctx->Const.MaxProgramTexelOffset = 7;
229 ctx->Const.MaxLights = 8;
230 ctx->Const.MaxTextureCoordUnits = 8;
231 ctx->Const.MaxTextureUnits = 2;
232 ctx->Const.MaxUniformBufferBindings = 84;
233 ctx->Const.MaxVertexStreams = 4;
234 ctx->Const.MaxTransformFeedbackBuffers = 4;
235
236 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
237 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
238 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
239 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
240 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
241 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
242
243 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
244 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
245 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 1024;
246 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
247 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
248 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
249
250 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
251 break;
252 case 150:
253 case 330:
254 case 400:
255 case 410:
256 case 420:
257 case 430:
258 case 440:
259 case 450:
260 case 460:
261 ctx->Const.MaxClipPlanes = 8;
262 ctx->Const.MaxDrawBuffers = 8;
263 ctx->Const.MinProgramTexelOffset = -8;
264 ctx->Const.MaxProgramTexelOffset = 7;
265 ctx->Const.MaxLights = 8;
266 ctx->Const.MaxTextureCoordUnits = 8;
267 ctx->Const.MaxTextureUnits = 2;
268 ctx->Const.MaxUniformBufferBindings = 84;
269 ctx->Const.MaxVertexStreams = 4;
270 ctx->Const.MaxTransformFeedbackBuffers = 4;
271
272 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
273 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
274 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
275 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
276 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
277 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
278
279 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = 16;
280 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxUniformComponents = 1024;
281 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxCombinedUniformComponents = 1024;
282 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents =
283 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
284 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents = 128;
285
286 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
287 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
288 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 1024;
289 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
290 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents;
291 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
292
293 ctx->Const.MaxCombinedTextureImageUnits =
294 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits
295 + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits
296 + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
297
298 ctx->Const.MaxGeometryOutputVertices = 256;
299 ctx->Const.MaxGeometryTotalOutputComponents = 1024;
300
301 ctx->Const.MaxVarying = 60 / 4;
302 break;
303 case 300:
304 ctx->Const.MaxClipPlanes = 8;
305 ctx->Const.MaxCombinedTextureImageUnits = 32;
306 ctx->Const.MaxDrawBuffers = 4;
307 ctx->Const.MinProgramTexelOffset = -8;
308 ctx->Const.MaxProgramTexelOffset = 7;
309 ctx->Const.MaxLights = 0;
310 ctx->Const.MaxTextureCoordUnits = 0;
311 ctx->Const.MaxTextureUnits = 0;
312 ctx->Const.MaxUniformBufferBindings = 84;
313 ctx->Const.MaxVertexStreams = 4;
314 ctx->Const.MaxTransformFeedbackBuffers = 4;
315
316 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
317 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
318 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
319 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
320 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
321 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 16 * 4;
322
323 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
324 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 224;
325 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 224;
326 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 15 * 4;
327 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
328
329 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents / 4;
330 break;
331 }
332
333 ctx->Const.GenerateTemporaryNames = true;
334 ctx->Const.MaxPatchVertices = 32;
335
336 /* GL_ARB_explicit_uniform_location, GL_MAX_UNIFORM_LOCATIONS */
337 ctx->Const.MaxUserAssignableUniformLocations =
338 4 * MESA_SHADER_STAGES * MAX_UNIFORMS;
339
340 ctx->Driver.NewProgram = new_program;
341 }
342
343 /* Returned string will have 'ctx' as its ralloc owner. */
344 static char *
load_text_file(void * ctx,const char * file_name)345 load_text_file(void *ctx, const char *file_name)
346 {
347 char *text = NULL;
348 size_t size;
349 size_t total_read = 0;
350 FILE *fp = fopen(file_name, "rb");
351
352 if (!fp) {
353 return NULL;
354 }
355
356 fseek(fp, 0L, SEEK_END);
357 size = ftell(fp);
358 fseek(fp, 0L, SEEK_SET);
359
360 text = (char *) ralloc_size(ctx, size + 1);
361 if (text != NULL) {
362 do {
363 size_t bytes = fread(text + total_read,
364 1, size - total_read, fp);
365 if (bytes < size - total_read) {
366 free(text);
367 text = NULL;
368 goto error;
369 }
370
371 if (bytes == 0) {
372 break;
373 }
374
375 total_read += bytes;
376 } while (total_read < size);
377
378 text[total_read] = '\0';
379 error:;
380 }
381
382 fclose(fp);
383
384 return text;
385 }
386
387 static void
compile_shader(struct gl_context * ctx,struct gl_shader * shader)388 compile_shader(struct gl_context *ctx, struct gl_shader *shader)
389 {
390 struct _mesa_glsl_parse_state *state =
391 new(shader) _mesa_glsl_parse_state(ctx, shader->Stage, shader);
392
393 _mesa_glsl_compile_shader(ctx, shader, options->dump_ast,
394 options->dump_hir, true);
395
396 /* Print out the resulting IR */
397 if (!state->error && options->dump_lir) {
398 _mesa_print_ir(stdout, shader->ir, state);
399 }
400
401 return;
402 }
403
404 extern "C" struct gl_shader_program *
standalone_compile_shader(const struct standalone_options * _options,unsigned num_files,char * const * files)405 standalone_compile_shader(const struct standalone_options *_options,
406 unsigned num_files, char* const* files)
407 {
408 int status = EXIT_SUCCESS;
409 static struct gl_context local_ctx;
410 struct gl_context *ctx = &local_ctx;
411 bool glsl_es = false;
412
413 options = _options;
414
415 switch (options->glsl_version) {
416 case 100:
417 case 300:
418 glsl_es = true;
419 break;
420 case 110:
421 case 120:
422 case 130:
423 case 140:
424 case 150:
425 case 330:
426 case 400:
427 case 410:
428 case 420:
429 case 430:
430 case 440:
431 case 450:
432 case 460:
433 glsl_es = false;
434 break;
435 default:
436 fprintf(stderr, "Unrecognized GLSL version `%d'\n", options->glsl_version);
437 return NULL;
438 }
439
440 if (glsl_es) {
441 initialize_context(ctx, API_OPENGLES2);
442 } else {
443 initialize_context(ctx, options->glsl_version > 130 ? API_OPENGL_CORE : API_OPENGL_COMPAT);
444 }
445
446 struct gl_shader_program *whole_program;
447
448 whole_program = rzalloc (NULL, struct gl_shader_program);
449 assert(whole_program != NULL);
450 whole_program->data = rzalloc(whole_program, struct gl_shader_program_data);
451 assert(whole_program->data != NULL);
452 whole_program->data->InfoLog = ralloc_strdup(whole_program->data, "");
453
454 /* Created just to avoid segmentation faults */
455 whole_program->AttributeBindings = new string_to_uint_map;
456 whole_program->FragDataBindings = new string_to_uint_map;
457 whole_program->FragDataIndexBindings = new string_to_uint_map;
458
459 for (unsigned i = 0; i < num_files; i++) {
460 whole_program->Shaders =
461 reralloc(whole_program, whole_program->Shaders,
462 struct gl_shader *, whole_program->NumShaders + 1);
463 assert(whole_program->Shaders != NULL);
464
465 struct gl_shader *shader = rzalloc(whole_program, gl_shader);
466
467 whole_program->Shaders[whole_program->NumShaders] = shader;
468 whole_program->NumShaders++;
469
470 const unsigned len = strlen(files[i]);
471 if (len < 6)
472 goto fail;
473
474 const char *const ext = & files[i][len - 5];
475 /* TODO add support to read a .shader_test */
476 if (strncmp(".vert", ext, 5) == 0 || strncmp(".glsl", ext, 5) == 0)
477 shader->Type = GL_VERTEX_SHADER;
478 else if (strncmp(".tesc", ext, 5) == 0)
479 shader->Type = GL_TESS_CONTROL_SHADER;
480 else if (strncmp(".tese", ext, 5) == 0)
481 shader->Type = GL_TESS_EVALUATION_SHADER;
482 else if (strncmp(".geom", ext, 5) == 0)
483 shader->Type = GL_GEOMETRY_SHADER;
484 else if (strncmp(".frag", ext, 5) == 0)
485 shader->Type = GL_FRAGMENT_SHADER;
486 else if (strncmp(".comp", ext, 5) == 0)
487 shader->Type = GL_COMPUTE_SHADER;
488 else
489 goto fail;
490 shader->Stage = _mesa_shader_enum_to_shader_stage(shader->Type);
491
492 shader->Source = load_text_file(whole_program, files[i]);
493 if (shader->Source == NULL) {
494 printf("File \"%s\" does not exist.\n", files[i]);
495 exit(EXIT_FAILURE);
496 }
497
498 compile_shader(ctx, shader);
499
500 if (strlen(shader->InfoLog) > 0) {
501 if (!options->just_log)
502 printf("Info log for %s:\n", files[i]);
503
504 printf("%s", shader->InfoLog);
505 if (!options->just_log)
506 printf("\n");
507 }
508
509 if (!shader->CompileStatus) {
510 status = EXIT_FAILURE;
511 break;
512 }
513 }
514
515 if (status == EXIT_SUCCESS) {
516 _mesa_clear_shader_program_data(ctx, whole_program);
517
518 if (options->do_link) {
519 link_shaders(ctx, whole_program);
520 } else {
521 const gl_shader_stage stage = whole_program->Shaders[0]->Stage;
522
523 whole_program->data->LinkStatus = linking_success;
524 whole_program->_LinkedShaders[stage] =
525 link_intrastage_shaders(whole_program /* mem_ctx */,
526 ctx,
527 whole_program,
528 whole_program->Shaders,
529 1,
530 true);
531
532 /* Par-linking can fail, for example, if there are undefined external
533 * references.
534 */
535 if (whole_program->_LinkedShaders[stage] != NULL) {
536 assert(whole_program->data->LinkStatus);
537
538 struct gl_shader_compiler_options *const compiler_options =
539 &ctx->Const.ShaderCompilerOptions[stage];
540
541 exec_list *const ir =
542 whole_program->_LinkedShaders[stage]->ir;
543
544 bool progress;
545 do {
546 progress = do_function_inlining(ir);
547
548 progress = do_common_optimization(ir,
549 false,
550 false,
551 compiler_options,
552 true)
553 && progress;
554 } while(progress);
555 }
556 }
557
558 status = (whole_program->data->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE;
559
560 if (strlen(whole_program->data->InfoLog) > 0) {
561 printf("\n");
562 if (!options->just_log)
563 printf("Info log for linking:\n");
564 printf("%s", whole_program->data->InfoLog);
565 if (!options->just_log)
566 printf("\n");
567 }
568
569 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
570 struct gl_linked_shader *shader = whole_program->_LinkedShaders[i];
571
572 if (!shader)
573 continue;
574
575 add_neg_to_sub_visitor v;
576 visit_list_elements(&v, shader->ir);
577
578 dead_variable_visitor dv;
579 visit_list_elements(&dv, shader->ir);
580 dv.remove_dead_variables();
581 }
582
583 if (options->dump_builder) {
584 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
585 struct gl_linked_shader *shader = whole_program->_LinkedShaders[i];
586
587 if (!shader)
588 continue;
589
590 _mesa_print_builder_for_ir(stdout, shader->ir);
591 }
592 }
593 }
594
595 return whole_program;
596
597 fail:
598 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
599 if (whole_program->_LinkedShaders[i])
600 ralloc_free(whole_program->_LinkedShaders[i]->Program);
601 }
602
603 ralloc_free(whole_program);
604 return NULL;
605 }
606
607 extern "C" void
standalone_compiler_cleanup(struct gl_shader_program * whole_program)608 standalone_compiler_cleanup(struct gl_shader_program *whole_program)
609 {
610 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
611 if (whole_program->_LinkedShaders[i])
612 ralloc_free(whole_program->_LinkedShaders[i]->Program);
613 }
614
615 delete whole_program->AttributeBindings;
616 delete whole_program->FragDataBindings;
617 delete whole_program->FragDataIndexBindings;
618
619 ralloc_free(whole_program);
620 _mesa_glsl_release_types();
621 _mesa_glsl_release_builtin_functions();
622 }
623