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.
27 * This file is the main() routine and scaffolding for producing
28 * builtin_compiler (which doesn't include builtins itself and is used
29 * to generate the profile information for builtin_function.cpp), and
30 * for glsl_compiler (which does include builtins and can be used to
31 * offline compile GLSL code and examine the resulting GLSL IR.
35 #include "glsl_parser_extras.h"
36 #include "ir_optimization.h"
38 #include "loop_analysis.h"
39 #include "standalone_scaffolding.h"
41 static int glsl_version
= 330;
44 _mesa_error_no_memory(const char *caller
)
46 fprintf(stderr
, "Mesa error: out of memory in %s", caller
);
50 initialize_context(struct gl_context
*ctx
, gl_api api
)
52 initialize_context_to_defaults(ctx
, api
);
54 /* The standalone compiler needs to claim support for almost
55 * everything in order to compile the built-in functions.
57 ctx
->Const
.GLSLVersion
= glsl_version
;
58 ctx
->Extensions
.ARB_ES3_compatibility
= true;
59 ctx
->Const
.MaxComputeWorkGroupCount
[0] = 65535;
60 ctx
->Const
.MaxComputeWorkGroupCount
[1] = 65535;
61 ctx
->Const
.MaxComputeWorkGroupCount
[2] = 65535;
62 ctx
->Const
.MaxComputeWorkGroupSize
[0] = 1024;
63 ctx
->Const
.MaxComputeWorkGroupSize
[1] = 1024;
64 ctx
->Const
.MaxComputeWorkGroupSize
[2] = 64;
65 ctx
->Const
.MaxComputeWorkGroupInvocations
= 1024;
66 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxTextureImageUnits
= 16;
67 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxUniformComponents
= 1024;
68 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxInputComponents
= 0; /* not used */
69 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxOutputComponents
= 0; /* not used */
71 switch (ctx
->Const
.GLSLVersion
) {
73 ctx
->Const
.MaxClipPlanes
= 0;
74 ctx
->Const
.MaxCombinedTextureImageUnits
= 8;
75 ctx
->Const
.MaxDrawBuffers
= 2;
76 ctx
->Const
.MinProgramTexelOffset
= 0;
77 ctx
->Const
.MaxProgramTexelOffset
= 0;
78 ctx
->Const
.MaxLights
= 0;
79 ctx
->Const
.MaxTextureCoordUnits
= 0;
80 ctx
->Const
.MaxTextureUnits
= 8;
82 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 8;
83 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 0;
84 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 128 * 4;
85 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
86 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 32;
88 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
=
89 ctx
->Const
.MaxCombinedTextureImageUnits
;
90 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 16 * 4;
91 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
92 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
93 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
95 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
99 ctx
->Const
.MaxClipPlanes
= 6;
100 ctx
->Const
.MaxCombinedTextureImageUnits
= 2;
101 ctx
->Const
.MaxDrawBuffers
= 1;
102 ctx
->Const
.MinProgramTexelOffset
= 0;
103 ctx
->Const
.MaxProgramTexelOffset
= 0;
104 ctx
->Const
.MaxLights
= 8;
105 ctx
->Const
.MaxTextureCoordUnits
= 2;
106 ctx
->Const
.MaxTextureUnits
= 2;
108 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
109 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 0;
110 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 512;
111 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
112 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 32;
114 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
=
115 ctx
->Const
.MaxCombinedTextureImageUnits
;
116 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 64;
117 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
118 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
119 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
121 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
125 ctx
->Const
.MaxClipPlanes
= 8;
126 ctx
->Const
.MaxCombinedTextureImageUnits
= 16;
127 ctx
->Const
.MaxDrawBuffers
= 8;
128 ctx
->Const
.MinProgramTexelOffset
= -8;
129 ctx
->Const
.MaxProgramTexelOffset
= 7;
130 ctx
->Const
.MaxLights
= 8;
131 ctx
->Const
.MaxTextureCoordUnits
= 8;
132 ctx
->Const
.MaxTextureUnits
= 2;
134 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
135 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 16;
136 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 1024;
137 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
138 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 64;
140 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
= 16;
141 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 1024;
142 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
143 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
144 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
146 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
150 ctx
->Const
.MaxClipPlanes
= 8;
151 ctx
->Const
.MaxDrawBuffers
= 8;
152 ctx
->Const
.MinProgramTexelOffset
= -8;
153 ctx
->Const
.MaxProgramTexelOffset
= 7;
154 ctx
->Const
.MaxLights
= 8;
155 ctx
->Const
.MaxTextureCoordUnits
= 8;
156 ctx
->Const
.MaxTextureUnits
= 2;
158 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
159 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 16;
160 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 1024;
161 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
162 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 64;
164 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxTextureImageUnits
= 16;
165 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxUniformComponents
= 1024;
166 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxInputComponents
=
167 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
168 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxOutputComponents
= 128;
170 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
= 16;
171 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 1024;
172 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
173 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxOutputComponents
;
174 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
176 ctx
->Const
.MaxCombinedTextureImageUnits
=
177 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
178 + ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxTextureImageUnits
179 + ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
;
181 ctx
->Const
.MaxGeometryOutputVertices
= 256;
182 ctx
->Const
.MaxGeometryTotalOutputComponents
= 1024;
184 // ctx->Const.MaxGeometryVaryingComponents = 64;
186 ctx
->Const
.MaxVarying
= 60 / 4;
189 ctx
->Const
.MaxClipPlanes
= 8;
190 ctx
->Const
.MaxCombinedTextureImageUnits
= 32;
191 ctx
->Const
.MaxDrawBuffers
= 4;
192 ctx
->Const
.MinProgramTexelOffset
= -8;
193 ctx
->Const
.MaxProgramTexelOffset
= 7;
194 ctx
->Const
.MaxLights
= 0;
195 ctx
->Const
.MaxTextureCoordUnits
= 0;
196 ctx
->Const
.MaxTextureUnits
= 0;
198 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
199 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 16;
200 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 1024;
201 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
202 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 16 * 4;
204 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
= 16;
205 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 224;
206 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
= 15 * 4;
207 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
209 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
/ 4;
213 ctx
->Const
.GenerateTemporaryNames
= true;
214 ctx
->Driver
.NewShader
= _mesa_new_shader
;
217 /* Returned string will have 'ctx' as its ralloc owner. */
219 load_text_file(void *ctx
, const char *file_name
)
223 size_t total_read
= 0;
224 FILE *fp
= fopen(file_name
, "rb");
230 fseek(fp
, 0L, SEEK_END
);
232 fseek(fp
, 0L, SEEK_SET
);
234 text
= (char *) ralloc_size(ctx
, size
+ 1);
237 size_t bytes
= fread(text
+ total_read
,
238 1, size
- total_read
, fp
);
239 if (bytes
< size
- total_read
) {
250 } while (total_read
< size
);
252 text
[total_read
] = '\0';
266 const struct option compiler_opts
[] = {
267 { "dump-ast", no_argument
, &dump_ast
, 1 },
268 { "dump-hir", no_argument
, &dump_hir
, 1 },
269 { "dump-lir", no_argument
, &dump_lir
, 1 },
270 { "link", no_argument
, &do_link
, 1 },
271 { "version", required_argument
, NULL
, 'v' },
276 * \brief Print proper usage and exit with failure.
279 usage_fail(const char *name
)
283 "usage: %s [options] <file.vert | file.geom | file.frag>\n"
285 "Possible options are:\n";
286 printf(header
, name
, name
);
287 for (const struct option
*o
= compiler_opts
; o
->name
!= 0; ++o
) {
288 printf(" --%s\n", o
->name
);
295 compile_shader(struct gl_context
*ctx
, struct gl_shader
*shader
)
297 struct _mesa_glsl_parse_state
*state
=
298 new(shader
) _mesa_glsl_parse_state(ctx
, shader
->Stage
, shader
);
300 _mesa_glsl_compile_shader(ctx
, shader
, dump_ast
, dump_hir
);
302 /* Print out the resulting IR */
303 if (!state
->error
&& dump_lir
) {
304 _mesa_print_ir(stdout
, shader
->ir
, state
);
311 main(int argc
, char **argv
)
313 int status
= EXIT_SUCCESS
;
314 struct gl_context local_ctx
;
315 struct gl_context
*ctx
= &local_ctx
;
316 bool glsl_es
= false;
320 while ((c
= getopt_long(argc
, argv
, "", compiler_opts
, &idx
)) != -1) {
323 glsl_version
= strtol(optarg
, NULL
, 10);
324 switch (glsl_version
) {
338 fprintf(stderr
, "Unrecognized GLSL version `%s'\n", optarg
);
352 initialize_context(ctx
, (glsl_es
) ? API_OPENGLES2
: API_OPENGL_COMPAT
);
354 struct gl_shader_program
*whole_program
;
356 whole_program
= rzalloc (NULL
, struct gl_shader_program
);
357 assert(whole_program
!= NULL
);
358 whole_program
->InfoLog
= ralloc_strdup(whole_program
, "");
360 for (/* empty */; argc
> optind
; optind
++) {
361 whole_program
->Shaders
=
362 reralloc(whole_program
, whole_program
->Shaders
,
363 struct gl_shader
*, whole_program
->NumShaders
+ 1);
364 assert(whole_program
->Shaders
!= NULL
);
366 struct gl_shader
*shader
= rzalloc(whole_program
, gl_shader
);
368 whole_program
->Shaders
[whole_program
->NumShaders
] = shader
;
369 whole_program
->NumShaders
++;
371 const unsigned len
= strlen(argv
[optind
]);
375 const char *const ext
= & argv
[optind
][len
- 5];
376 if (strncmp(".vert", ext
, 5) == 0 || strncmp(".glsl", ext
, 5) == 0)
377 shader
->Type
= GL_VERTEX_SHADER
;
378 else if (strncmp(".geom", ext
, 5) == 0)
379 shader
->Type
= GL_GEOMETRY_SHADER
;
380 else if (strncmp(".frag", ext
, 5) == 0)
381 shader
->Type
= GL_FRAGMENT_SHADER
;
382 else if (strncmp(".comp", ext
, 5) == 0)
383 shader
->Type
= GL_COMPUTE_SHADER
;
386 shader
->Stage
= _mesa_shader_enum_to_shader_stage(shader
->Type
);
388 shader
->Source
= load_text_file(whole_program
, argv
[optind
]);
389 if (shader
->Source
== NULL
) {
390 printf("File \"%s\" does not exist.\n", argv
[optind
]);
394 compile_shader(ctx
, shader
);
396 if (strlen(shader
->InfoLog
) > 0)
397 printf("Info log for %s:\n%s\n", argv
[optind
], shader
->InfoLog
);
399 if (!shader
->CompileStatus
) {
400 status
= EXIT_FAILURE
;
405 if ((status
== EXIT_SUCCESS
) && do_link
) {
406 _mesa_clear_shader_program_data(whole_program
);
408 link_shaders(ctx
, whole_program
);
409 status
= (whole_program
->LinkStatus
) ? EXIT_SUCCESS
: EXIT_FAILURE
;
411 if (strlen(whole_program
->InfoLog
) > 0)
412 printf("Info log for linking:\n%s\n", whole_program
->InfoLog
);
415 for (unsigned i
= 0; i
< MESA_SHADER_STAGES
; i
++)
416 ralloc_free(whole_program
->_LinkedShaders
[i
]);
418 ralloc_free(whole_program
);
419 _mesa_glsl_release_types();
420 _mesa_glsl_release_builtin_functions();