2 * Copyright © 2008, 2009 Intel Corporation
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:
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
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.
25 /** @file standalone.cpp
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.
33 #include "glsl_parser_extras.h"
34 #include "ir_optimization.h"
36 #include "loop_analysis.h"
37 #include "standalone_scaffolding.h"
38 #include "standalone.h"
39 #include "string_to_uint_map.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"
49 class dead_variable_visitor
: public ir_hierarchical_visitor
{
51 dead_variable_visitor()
53 variables
= _mesa_pointer_set_create(NULL
);
56 virtual ~dead_variable_visitor()
58 _mesa_set_destroy(variables
, NULL
);
61 virtual ir_visitor_status
visit(ir_variable
*ir
)
63 /* If the variable is auto or temp, add it to the set of variables that
64 * are candidates for removal.
66 if (ir
->data
.mode
!= ir_var_auto
&& ir
->data
.mode
!= ir_var_temporary
)
67 return visit_continue
;
69 _mesa_set_add(variables
, ir
);
71 return visit_continue
;
74 virtual ir_visitor_status
visit(ir_dereference_variable
*ir
)
76 struct set_entry
*entry
= _mesa_set_search(variables
, ir
->var
);
78 /* If a variable is dereferenced at all, remove it from the set of
79 * variables that are candidates for removal.
82 _mesa_set_remove(variables
, entry
);
84 return visit_continue
;
87 void remove_dead_variables()
89 set_foreach(variables
, entry
) {
90 ir_variable
*ir
= (ir_variable
*) entry
->key
;
92 assert(ir
->ir_type
== ir_type_variable
);
102 init_gl_program(struct gl_program
*prog
, bool is_arb_asm
, gl_shader_stage stage
)
105 prog
->Format
= GL_PROGRAM_FORMAT_ASCII_ARB
;
106 prog
->is_arb_asm
= is_arb_asm
;
107 prog
->info
.stage
= stage
;
110 static struct gl_program
*
111 new_program(UNUSED
struct gl_context
*ctx
, gl_shader_stage stage
,
112 UNUSED GLuint id
, bool is_arb_asm
)
114 struct gl_program
*prog
= rzalloc(NULL
, struct gl_program
);
115 init_gl_program(prog
, is_arb_asm
, stage
);
119 static const struct standalone_options
*options
;
122 initialize_context(struct gl_context
*ctx
, gl_api api
)
124 initialize_context_to_defaults(ctx
, api
);
125 _mesa_glsl_builtin_functions_init_or_ref();
127 /* The standalone compiler needs to claim support for almost
128 * everything in order to compile the built-in functions.
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;
156 switch (ctx
->Const
.GLSLVersion
) {
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;
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;
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 */
182 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
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;
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;
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 */
210 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
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;
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;
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 */
240 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
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;
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;
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;
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 */
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
;
291 ctx
->Const
.MaxGeometryOutputVertices
= 256;
292 ctx
->Const
.MaxGeometryTotalOutputComponents
= 1024;
294 ctx
->Const
.MaxVarying
= 60 / 4;
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;
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;
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 */
322 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
/ 4;
326 ctx
->Const
.GenerateTemporaryNames
= true;
327 ctx
->Const
.MaxPatchVertices
= 32;
329 /* GL_ARB_explicit_uniform_location, GL_MAX_UNIFORM_LOCATIONS */
330 ctx
->Const
.MaxUserAssignableUniformLocations
=
331 4 * MESA_SHADER_STAGES
* MAX_UNIFORMS
;
333 ctx
->Driver
.NewProgram
= new_program
;
336 /* Returned string will have 'ctx' as its ralloc owner. */
338 load_text_file(void *ctx
, const char *file_name
)
342 size_t total_read
= 0;
343 FILE *fp
= fopen(file_name
, "rb");
349 fseek(fp
, 0L, SEEK_END
);
351 fseek(fp
, 0L, SEEK_SET
);
353 text
= (char *) ralloc_size(ctx
, size
+ 1);
356 size_t bytes
= fread(text
+ total_read
,
357 1, size
- total_read
, fp
);
358 if (bytes
< size
- total_read
) {
369 } while (total_read
< size
);
371 text
[total_read
] = '\0';
381 compile_shader(struct gl_context
*ctx
, struct gl_shader
*shader
)
383 struct _mesa_glsl_parse_state
*state
=
384 new(shader
) _mesa_glsl_parse_state(ctx
, shader
->Stage
, shader
);
386 _mesa_glsl_compile_shader(ctx
, shader
, options
->dump_ast
,
387 options
->dump_hir
, true);
389 /* Print out the resulting IR */
390 if (!state
->error
&& options
->dump_lir
) {
391 _mesa_print_ir(stdout
, shader
->ir
, state
);
397 extern "C" struct gl_shader_program
*
398 standalone_compile_shader(const struct standalone_options
*_options
,
399 unsigned num_files
, char* const* files
, struct gl_context
*ctx
)
401 int status
= EXIT_SUCCESS
;
402 bool glsl_es
= false;
406 switch (options
->glsl_version
) {
427 fprintf(stderr
, "Unrecognized GLSL version `%d'\n", options
->glsl_version
);
432 initialize_context(ctx
, API_OPENGLES2
);
434 initialize_context(ctx
, options
->glsl_version
> 130 ? API_OPENGL_CORE
: API_OPENGL_COMPAT
);
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
->LowerPrecisionTemporaries
= true;
445 options
->LowerPrecisionConstants
= true;
449 struct gl_shader_program
*whole_program
;
451 whole_program
= rzalloc (NULL
, struct gl_shader_program
);
452 assert(whole_program
!= NULL
);
453 whole_program
->data
= rzalloc(whole_program
, struct gl_shader_program_data
);
454 assert(whole_program
->data
!= NULL
);
455 whole_program
->data
->InfoLog
= ralloc_strdup(whole_program
->data
, "");
457 /* Created just to avoid segmentation faults */
458 whole_program
->AttributeBindings
= new string_to_uint_map
;
459 whole_program
->FragDataBindings
= new string_to_uint_map
;
460 whole_program
->FragDataIndexBindings
= new string_to_uint_map
;
462 for (unsigned i
= 0; i
< num_files
; i
++) {
463 whole_program
->Shaders
=
464 reralloc(whole_program
, whole_program
->Shaders
,
465 struct gl_shader
*, whole_program
->NumShaders
+ 1);
466 assert(whole_program
->Shaders
!= NULL
);
468 struct gl_shader
*shader
= rzalloc(whole_program
, gl_shader
);
470 whole_program
->Shaders
[whole_program
->NumShaders
] = shader
;
471 whole_program
->NumShaders
++;
473 const unsigned len
= strlen(files
[i
]);
477 const char *const ext
= & files
[i
][len
- 5];
478 /* TODO add support to read a .shader_test */
479 if (strncmp(".vert", ext
, 5) == 0 || strncmp(".glsl", ext
, 5) == 0)
480 shader
->Type
= GL_VERTEX_SHADER
;
481 else if (strncmp(".tesc", ext
, 5) == 0)
482 shader
->Type
= GL_TESS_CONTROL_SHADER
;
483 else if (strncmp(".tese", ext
, 5) == 0)
484 shader
->Type
= GL_TESS_EVALUATION_SHADER
;
485 else if (strncmp(".geom", ext
, 5) == 0)
486 shader
->Type
= GL_GEOMETRY_SHADER
;
487 else if (strncmp(".frag", ext
, 5) == 0)
488 shader
->Type
= GL_FRAGMENT_SHADER
;
489 else if (strncmp(".comp", ext
, 5) == 0)
490 shader
->Type
= GL_COMPUTE_SHADER
;
493 shader
->Stage
= _mesa_shader_enum_to_shader_stage(shader
->Type
);
495 shader
->Source
= load_text_file(whole_program
, files
[i
]);
496 if (shader
->Source
== NULL
) {
497 printf("File \"%s\" does not exist.\n", files
[i
]);
501 compile_shader(ctx
, shader
);
503 if (strlen(shader
->InfoLog
) > 0) {
504 if (!options
->just_log
)
505 printf("Info log for %s:\n", files
[i
]);
507 printf("%s", shader
->InfoLog
);
508 if (!options
->just_log
)
512 if (!shader
->CompileStatus
) {
513 status
= EXIT_FAILURE
;
518 if (status
== EXIT_SUCCESS
) {
519 _mesa_clear_shader_program_data(ctx
, whole_program
);
521 if (options
->do_link
) {
522 link_shaders(ctx
, whole_program
);
524 const gl_shader_stage stage
= whole_program
->Shaders
[0]->Stage
;
526 whole_program
->data
->LinkStatus
= LINKING_SUCCESS
;
527 whole_program
->_LinkedShaders
[stage
] =
528 link_intrastage_shaders(whole_program
/* mem_ctx */,
531 whole_program
->Shaders
,
535 /* Par-linking can fail, for example, if there are undefined external
538 if (whole_program
->_LinkedShaders
[stage
] != NULL
) {
539 assert(whole_program
->data
->LinkStatus
);
541 struct gl_shader_compiler_options
*const compiler_options
=
542 &ctx
->Const
.ShaderCompilerOptions
[stage
];
544 exec_list
*const ir
=
545 whole_program
->_LinkedShaders
[stage
]->ir
;
549 progress
= do_function_inlining(ir
);
551 progress
= do_common_optimization(ir
,
561 status
= (whole_program
->data
->LinkStatus
) ? EXIT_SUCCESS
: EXIT_FAILURE
;
563 if (strlen(whole_program
->data
->InfoLog
) > 0) {
565 if (!options
->just_log
)
566 printf("Info log for linking:\n");
567 printf("%s", whole_program
->data
->InfoLog
);
568 if (!options
->just_log
)
572 for (unsigned i
= 0; i
< MESA_SHADER_STAGES
; i
++) {
573 struct gl_linked_shader
*shader
= whole_program
->_LinkedShaders
[i
];
578 add_neg_to_sub_visitor v
;
579 visit_list_elements(&v
, shader
->ir
);
581 dead_variable_visitor dv
;
582 visit_list_elements(&dv
, shader
->ir
);
583 dv
.remove_dead_variables();
586 if (options
->dump_builder
) {
587 for (unsigned i
= 0; i
< MESA_SHADER_STAGES
; i
++) {
588 struct gl_linked_shader
*shader
= whole_program
->_LinkedShaders
[i
];
593 _mesa_print_builder_for_ir(stdout
, shader
->ir
);
598 return whole_program
;
601 for (unsigned i
= 0; i
< MESA_SHADER_STAGES
; i
++) {
602 if (whole_program
->_LinkedShaders
[i
])
603 ralloc_free(whole_program
->_LinkedShaders
[i
]->Program
);
606 ralloc_free(whole_program
);
611 standalone_compiler_cleanup(struct gl_shader_program
*whole_program
)
613 for (unsigned i
= 0; i
< MESA_SHADER_STAGES
; i
++) {
614 if (whole_program
->_LinkedShaders
[i
])
615 ralloc_free(whole_program
->_LinkedShaders
[i
]->Program
);
618 delete whole_program
->AttributeBindings
;
619 delete whole_program
->FragDataBindings
;
620 delete whole_program
->FragDataIndexBindings
;
622 ralloc_free(whole_program
);
623 _mesa_glsl_builtin_functions_decref();