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 #include "main/mtypes.h"
47 #include "program/program.h"
48
49 class dead_variable_visitor : public ir_hierarchical_visitor {
50 public:
dead_variable_visitor()51 dead_variable_visitor()
52 {
53 variables = _mesa_pointer_set_create(NULL);
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 set_foreach(variables, entry) {
90 ir_variable *ir = (ir_variable *) entry->key;
91
92 assert(ir->ir_type == ir_type_variable);
93 ir->remove();
94 }
95 }
96
97 private:
98 set *variables;
99 };
100
101 static void
init_gl_program(struct gl_program * prog,bool is_arb_asm,gl_shader_stage stage)102 init_gl_program(struct gl_program *prog, bool is_arb_asm, gl_shader_stage stage)
103 {
104 prog->RefCount = 1;
105 prog->Format = GL_PROGRAM_FORMAT_ASCII_ARB;
106 prog->is_arb_asm = is_arb_asm;
107 prog->info.stage = stage;
108 }
109
110 static struct gl_program *
new_program(UNUSED struct gl_context * ctx,gl_shader_stage stage,UNUSED GLuint id,bool is_arb_asm)111 new_program(UNUSED struct gl_context *ctx, gl_shader_stage stage,
112 UNUSED GLuint id, bool is_arb_asm)
113 {
114 struct gl_program *prog = rzalloc(NULL, struct gl_program);
115 init_gl_program(prog, is_arb_asm, stage);
116 return prog;
117 }
118
119 static const struct standalone_options *options;
120
121 static void
initialize_context(struct gl_context * ctx,gl_api api)122 initialize_context(struct gl_context *ctx, gl_api api)
123 {
124 initialize_context_to_defaults(ctx, api);
125 _mesa_glsl_builtin_functions_init_or_ref();
126
127 /* The standalone compiler needs to claim support for almost
128 * everything in order to compile the built-in functions.
129 */
130 ctx->Const.GLSLVersion = options->glsl_version;
131 ctx->Extensions.ARB_ES3_compatibility = true;
132 ctx->Extensions.ARB_ES3_1_compatibility = true;
133 ctx->Extensions.ARB_ES3_2_compatibility = true;
134 ctx->Const.MaxComputeWorkGroupCount[0] = 65535;
135 ctx->Const.MaxComputeWorkGroupCount[1] = 65535;
136 ctx->Const.MaxComputeWorkGroupCount[2] = 65535;
137 ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
138 ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
139 ctx->Const.MaxComputeWorkGroupSize[2] = 64;
140 ctx->Const.MaxComputeWorkGroupInvocations = 1024;
141 ctx->Const.MaxComputeSharedMemorySize = 32768;
142 ctx->Const.MaxComputeVariableGroupSize[0] = 512;
143 ctx->Const.MaxComputeVariableGroupSize[1] = 512;
144 ctx->Const.MaxComputeVariableGroupSize[2] = 64;
145 ctx->Const.MaxComputeVariableGroupInvocations = 512;
146 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
147 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
148 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxCombinedUniformComponents = 1024;
149 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
150 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */
151 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicBuffers = 8;
152 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicCounters = 8;
153 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxImageUniforms = 8;
154 ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformBlocks = 12;
155
156 switch (ctx->Const.GLSLVersion) {
157 case 100:
158 ctx->Const.MaxClipPlanes = 0;
159 ctx->Const.MaxCombinedTextureImageUnits = 8;
160 ctx->Const.MaxDrawBuffers = 2;
161 ctx->Const.MinProgramTexelOffset = 0;
162 ctx->Const.MaxProgramTexelOffset = 0;
163 ctx->Const.MaxLights = 0;
164 ctx->Const.MaxTextureCoordUnits = 0;
165 ctx->Const.MaxTextureUnits = 8;
166
167 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 8;
168 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
169 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 128 * 4;
170 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 128 * 4;
171 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
172 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
173
174 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
175 ctx->Const.MaxCombinedTextureImageUnits;
176 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 16 * 4;
177 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 16 * 4;
178 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
179 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
180 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
181
182 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
183 break;
184 case 110:
185 case 120:
186 ctx->Const.MaxClipPlanes = 6;
187 ctx->Const.MaxCombinedTextureImageUnits = 2;
188 ctx->Const.MaxDrawBuffers = 1;
189 ctx->Const.MinProgramTexelOffset = 0;
190 ctx->Const.MaxProgramTexelOffset = 0;
191 ctx->Const.MaxLights = 8;
192 ctx->Const.MaxTextureCoordUnits = 2;
193 ctx->Const.MaxTextureUnits = 2;
194
195 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
196 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
197 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512;
198 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 512;
199 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
200 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
201
202 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
203 ctx->Const.MaxCombinedTextureImageUnits;
204 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64;
205 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 64;
206 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
207 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
208 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
209
210 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
211 break;
212 case 130:
213 case 140:
214 ctx->Const.MaxClipPlanes = 8;
215 ctx->Const.MaxCombinedTextureImageUnits = 16;
216 ctx->Const.MaxDrawBuffers = 8;
217 ctx->Const.MinProgramTexelOffset = -8;
218 ctx->Const.MaxProgramTexelOffset = 7;
219 ctx->Const.MaxLights = 8;
220 ctx->Const.MaxTextureCoordUnits = 8;
221 ctx->Const.MaxTextureUnits = 2;
222 ctx->Const.MaxUniformBufferBindings = 84;
223 ctx->Const.MaxVertexStreams = 4;
224 ctx->Const.MaxTransformFeedbackBuffers = 4;
225
226 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
227 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
228 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
229 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
230 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
231 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
232
233 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
234 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
235 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 1024;
236 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
237 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
238 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
239
240 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
241 break;
242 case 150:
243 case 330:
244 case 400:
245 case 410:
246 case 420:
247 case 430:
248 case 440:
249 case 450:
250 case 460:
251 ctx->Const.MaxClipPlanes = 8;
252 ctx->Const.MaxDrawBuffers = 8;
253 ctx->Const.MinProgramTexelOffset = -8;
254 ctx->Const.MaxProgramTexelOffset = 7;
255 ctx->Const.MaxLights = 8;
256 ctx->Const.MaxTextureCoordUnits = 8;
257 ctx->Const.MaxTextureUnits = 2;
258 ctx->Const.MaxUniformBufferBindings = 84;
259 ctx->Const.MaxVertexStreams = 4;
260 ctx->Const.MaxTransformFeedbackBuffers = 4;
261 ctx->Const.MaxShaderStorageBufferBindings = 4;
262 ctx->Const.MaxShaderStorageBlockSize = 4096;
263 ctx->Const.MaxAtomicBufferBindings = 4;
264
265 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
266 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
267 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
268 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
269 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
270 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
271
272 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = 16;
273 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxUniformComponents = 1024;
274 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxCombinedUniformComponents = 1024;
275 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents =
276 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
277 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents = 128;
278
279 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
280 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
281 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 1024;
282 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
283 ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents;
284 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
285
286 ctx->Const.MaxCombinedTextureImageUnits =
287 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits
288 + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits
289 + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
290
291 ctx->Const.MaxGeometryOutputVertices = 256;
292 ctx->Const.MaxGeometryTotalOutputComponents = 1024;
293
294 ctx->Const.MaxVarying = 60 / 4;
295 break;
296 case 300:
297 ctx->Const.MaxClipPlanes = 8;
298 ctx->Const.MaxCombinedTextureImageUnits = 32;
299 ctx->Const.MaxDrawBuffers = 4;
300 ctx->Const.MinProgramTexelOffset = -8;
301 ctx->Const.MaxProgramTexelOffset = 7;
302 ctx->Const.MaxLights = 0;
303 ctx->Const.MaxTextureCoordUnits = 0;
304 ctx->Const.MaxTextureUnits = 0;
305 ctx->Const.MaxUniformBufferBindings = 84;
306 ctx->Const.MaxVertexStreams = 4;
307 ctx->Const.MaxTransformFeedbackBuffers = 4;
308
309 ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
310 ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
311 ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
312 ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
313 ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
314 ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 16 * 4;
315
316 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
317 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 224;
318 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 224;
319 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 15 * 4;
320 ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
321
322 ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents / 4;
323 break;
324 }
325
326 ctx->Const.GenerateTemporaryNames = true;
327 ctx->Const.MaxPatchVertices = 32;
328
329 /* GL_ARB_explicit_uniform_location, GL_MAX_UNIFORM_LOCATIONS */
330 ctx->Const.MaxUserAssignableUniformLocations =
331 4 * MESA_SHADER_STAGES * MAX_UNIFORMS;
332
333 ctx->Driver.NewProgram = new_program;
334 }
335
336 /* Returned string will have 'ctx' as its ralloc owner. */
337 static char *
load_text_file(void * ctx,const char * file_name)338 load_text_file(void *ctx, const char *file_name)
339 {
340 char *text = NULL;
341 size_t size;
342 size_t total_read = 0;
343 FILE *fp = fopen(file_name, "rb");
344
345 if (!fp) {
346 return NULL;
347 }
348
349 fseek(fp, 0L, SEEK_END);
350 size = ftell(fp);
351 fseek(fp, 0L, SEEK_SET);
352
353 text = (char *) ralloc_size(ctx, size + 1);
354 if (text != NULL) {
355 do {
356 size_t bytes = fread(text + total_read,
357 1, size - total_read, fp);
358 if (bytes < size - total_read) {
359 free(text);
360 text = NULL;
361 goto error;
362 }
363
364 if (bytes == 0) {
365 break;
366 }
367
368 total_read += bytes;
369 } while (total_read < size);
370
371 text[total_read] = '\0';
372 error:;
373 }
374
375 fclose(fp);
376
377 return text;
378 }
379
380 static void
compile_shader(struct gl_context * ctx,struct gl_shader * shader)381 compile_shader(struct gl_context *ctx, struct gl_shader *shader)
382 {
383 struct _mesa_glsl_parse_state *state =
384 new(shader) _mesa_glsl_parse_state(ctx, shader->Stage, shader);
385
386 _mesa_glsl_compile_shader(ctx, shader, options->dump_ast,
387 options->dump_hir, true);
388
389 /* Print out the resulting IR */
390 if (!state->error && options->dump_lir) {
391 _mesa_print_ir(stdout, shader->ir, state);
392 }
393
394 return;
395 }
396
397 extern "C" struct gl_shader_program *
standalone_compile_shader(const struct standalone_options * _options,unsigned num_files,char * const * files,struct gl_context * ctx)398 standalone_compile_shader(const struct standalone_options *_options,
399 unsigned num_files, char* const* files, struct gl_context *ctx)
400 {
401 int status = EXIT_SUCCESS;
402 bool glsl_es = false;
403
404 options = _options;
405
406 switch (options->glsl_version) {
407 case 100:
408 case 300:
409 glsl_es = true;
410 break;
411 case 110:
412 case 120:
413 case 130:
414 case 140:
415 case 150:
416 case 330:
417 case 400:
418 case 410:
419 case 420:
420 case 430:
421 case 440:
422 case 450:
423 case 460:
424 glsl_es = false;
425 break;
426 default:
427 fprintf(stderr, "Unrecognized GLSL version `%d'\n", options->glsl_version);
428 return NULL;
429 }
430
431 if (glsl_es) {
432 initialize_context(ctx, API_OPENGLES2);
433 } else {
434 initialize_context(ctx, options->glsl_version > 130 ? API_OPENGL_CORE : API_OPENGL_COMPAT);
435 }
436
437 if (options->lower_precision) {
438 for (unsigned i = MESA_SHADER_VERTEX; i <= MESA_SHADER_FRAGMENT; i++) {
439 struct gl_shader_compiler_options *options =
440 &ctx->Const.ShaderCompilerOptions[i];
441 options->LowerPrecisionFloat16 = true;
442 options->LowerPrecisionInt16 = true;
443 options->LowerPrecisionDerivatives = true;
444 options->LowerPrecisionConstants = true;
445 }
446 }
447
448 struct gl_shader_program *whole_program;
449
450 whole_program = rzalloc (NULL, struct gl_shader_program);
451 assert(whole_program != NULL);
452 whole_program->data = rzalloc(whole_program, struct gl_shader_program_data);
453 assert(whole_program->data != NULL);
454 whole_program->data->InfoLog = ralloc_strdup(whole_program->data, "");
455
456 /* Created just to avoid segmentation faults */
457 whole_program->AttributeBindings = new string_to_uint_map;
458 whole_program->FragDataBindings = new string_to_uint_map;
459 whole_program->FragDataIndexBindings = new string_to_uint_map;
460
461 for (unsigned i = 0; i < num_files; i++) {
462 whole_program->Shaders =
463 reralloc(whole_program, whole_program->Shaders,
464 struct gl_shader *, whole_program->NumShaders + 1);
465 assert(whole_program->Shaders != NULL);
466
467 struct gl_shader *shader = rzalloc(whole_program, gl_shader);
468
469 whole_program->Shaders[whole_program->NumShaders] = shader;
470 whole_program->NumShaders++;
471
472 const unsigned len = strlen(files[i]);
473 if (len < 6)
474 goto fail;
475
476 const char *const ext = & files[i][len - 5];
477 /* TODO add support to read a .shader_test */
478 if (strncmp(".vert", ext, 5) == 0 || strncmp(".glsl", ext, 5) == 0)
479 shader->Type = GL_VERTEX_SHADER;
480 else if (strncmp(".tesc", ext, 5) == 0)
481 shader->Type = GL_TESS_CONTROL_SHADER;
482 else if (strncmp(".tese", ext, 5) == 0)
483 shader->Type = GL_TESS_EVALUATION_SHADER;
484 else if (strncmp(".geom", ext, 5) == 0)
485 shader->Type = GL_GEOMETRY_SHADER;
486 else if (strncmp(".frag", ext, 5) == 0)
487 shader->Type = GL_FRAGMENT_SHADER;
488 else if (strncmp(".comp", ext, 5) == 0)
489 shader->Type = GL_COMPUTE_SHADER;
490 else
491 goto fail;
492 shader->Stage = _mesa_shader_enum_to_shader_stage(shader->Type);
493
494 shader->Source = load_text_file(whole_program, files[i]);
495 if (shader->Source == NULL) {
496 printf("File \"%s\" does not exist.\n", files[i]);
497 exit(EXIT_FAILURE);
498 }
499
500 compile_shader(ctx, shader);
501
502 if (strlen(shader->InfoLog) > 0) {
503 if (!options->just_log)
504 printf("Info log for %s:\n", files[i]);
505
506 printf("%s", shader->InfoLog);
507 if (!options->just_log)
508 printf("\n");
509 }
510
511 if (!shader->CompileStatus) {
512 status = EXIT_FAILURE;
513 break;
514 }
515 }
516
517 if (status == EXIT_SUCCESS) {
518 _mesa_clear_shader_program_data(ctx, whole_program);
519
520 if (options->do_link) {
521 link_shaders(ctx, whole_program);
522 } else {
523 const gl_shader_stage stage = whole_program->Shaders[0]->Stage;
524
525 whole_program->data->LinkStatus = LINKING_SUCCESS;
526 whole_program->_LinkedShaders[stage] =
527 link_intrastage_shaders(whole_program /* mem_ctx */,
528 ctx,
529 whole_program,
530 whole_program->Shaders,
531 1,
532 true);
533
534 /* Par-linking can fail, for example, if there are undefined external
535 * references.
536 */
537 if (whole_program->_LinkedShaders[stage] != NULL) {
538 assert(whole_program->data->LinkStatus);
539
540 struct gl_shader_compiler_options *const compiler_options =
541 &ctx->Const.ShaderCompilerOptions[stage];
542
543 exec_list *const ir =
544 whole_program->_LinkedShaders[stage]->ir;
545
546 bool progress;
547 do {
548 progress = do_function_inlining(ir);
549
550 progress = do_common_optimization(ir,
551 false,
552 false,
553 compiler_options,
554 true)
555 && progress;
556 } while(progress);
557 }
558 }
559
560 status = (whole_program->data->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE;
561
562 if (strlen(whole_program->data->InfoLog) > 0) {
563 printf("\n");
564 if (!options->just_log)
565 printf("Info log for linking:\n");
566 printf("%s", whole_program->data->InfoLog);
567 if (!options->just_log)
568 printf("\n");
569 }
570
571 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
572 struct gl_linked_shader *shader = whole_program->_LinkedShaders[i];
573
574 if (!shader)
575 continue;
576
577 add_neg_to_sub_visitor v;
578 visit_list_elements(&v, shader->ir);
579
580 dead_variable_visitor dv;
581 visit_list_elements(&dv, shader->ir);
582 dv.remove_dead_variables();
583 }
584
585 if (options->dump_builder) {
586 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
587 struct gl_linked_shader *shader = whole_program->_LinkedShaders[i];
588
589 if (!shader)
590 continue;
591
592 _mesa_print_builder_for_ir(stdout, shader->ir);
593 }
594 }
595 }
596
597 return whole_program;
598
599 fail:
600 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
601 if (whole_program->_LinkedShaders[i])
602 ralloc_free(whole_program->_LinkedShaders[i]->Program);
603 }
604
605 ralloc_free(whole_program);
606 return NULL;
607 }
608
609 extern "C" void
standalone_compiler_cleanup(struct gl_shader_program * whole_program)610 standalone_compiler_cleanup(struct gl_shader_program *whole_program)
611 {
612 for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
613 if (whole_program->_LinkedShaders[i])
614 ralloc_free(whole_program->_LinkedShaders[i]->Program);
615 }
616
617 delete whole_program->AttributeBindings;
618 delete whole_program->FragDataBindings;
619 delete whole_program->FragDataIndexBindings;
620
621 ralloc_free(whole_program);
622 _mesa_glsl_builtin_functions_decref();
623 }
624