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 initialize_context(struct gl_context
*ctx
, gl_api api
)
46 initialize_context_to_defaults(ctx
, api
);
48 /* The standalone compiler needs to claim support for almost
49 * everything in order to compile the built-in functions.
51 ctx
->Const
.GLSLVersion
= glsl_version
;
52 ctx
->Extensions
.ARB_ES3_compatibility
= true;
53 ctx
->Const
.MaxComputeWorkGroupCount
[0] = 65535;
54 ctx
->Const
.MaxComputeWorkGroupCount
[1] = 65535;
55 ctx
->Const
.MaxComputeWorkGroupCount
[2] = 65535;
56 ctx
->Const
.MaxComputeWorkGroupSize
[0] = 1024;
57 ctx
->Const
.MaxComputeWorkGroupSize
[1] = 1024;
58 ctx
->Const
.MaxComputeWorkGroupSize
[2] = 64;
59 ctx
->Const
.MaxComputeWorkGroupInvocations
= 1024;
60 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxTextureImageUnits
= 16;
61 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxUniformComponents
= 1024;
62 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxInputComponents
= 0; /* not used */
63 ctx
->Const
.Program
[MESA_SHADER_COMPUTE
].MaxOutputComponents
= 0; /* not used */
65 switch (ctx
->Const
.GLSLVersion
) {
67 ctx
->Const
.MaxClipPlanes
= 0;
68 ctx
->Const
.MaxCombinedTextureImageUnits
= 8;
69 ctx
->Const
.MaxDrawBuffers
= 2;
70 ctx
->Const
.MinProgramTexelOffset
= 0;
71 ctx
->Const
.MaxProgramTexelOffset
= 0;
72 ctx
->Const
.MaxLights
= 0;
73 ctx
->Const
.MaxTextureCoordUnits
= 0;
74 ctx
->Const
.MaxTextureUnits
= 8;
76 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 8;
77 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 0;
78 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 128 * 4;
79 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
80 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 32;
82 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
=
83 ctx
->Const
.MaxCombinedTextureImageUnits
;
84 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 16 * 4;
85 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
86 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
87 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
89 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
93 ctx
->Const
.MaxClipPlanes
= 6;
94 ctx
->Const
.MaxCombinedTextureImageUnits
= 2;
95 ctx
->Const
.MaxDrawBuffers
= 1;
96 ctx
->Const
.MinProgramTexelOffset
= 0;
97 ctx
->Const
.MaxProgramTexelOffset
= 0;
98 ctx
->Const
.MaxLights
= 8;
99 ctx
->Const
.MaxTextureCoordUnits
= 2;
100 ctx
->Const
.MaxTextureUnits
= 2;
102 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
103 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 0;
104 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 512;
105 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
106 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 32;
108 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
=
109 ctx
->Const
.MaxCombinedTextureImageUnits
;
110 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 64;
111 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
112 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
113 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
115 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
119 ctx
->Const
.MaxClipPlanes
= 8;
120 ctx
->Const
.MaxCombinedTextureImageUnits
= 16;
121 ctx
->Const
.MaxDrawBuffers
= 8;
122 ctx
->Const
.MinProgramTexelOffset
= -8;
123 ctx
->Const
.MaxProgramTexelOffset
= 7;
124 ctx
->Const
.MaxLights
= 8;
125 ctx
->Const
.MaxTextureCoordUnits
= 8;
126 ctx
->Const
.MaxTextureUnits
= 2;
128 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
129 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 16;
130 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 1024;
131 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
132 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 64;
134 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
= 16;
135 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 1024;
136 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
137 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
138 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
140 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
/ 4;
144 ctx
->Const
.MaxClipPlanes
= 8;
145 ctx
->Const
.MaxDrawBuffers
= 8;
146 ctx
->Const
.MinProgramTexelOffset
= -8;
147 ctx
->Const
.MaxProgramTexelOffset
= 7;
148 ctx
->Const
.MaxLights
= 8;
149 ctx
->Const
.MaxTextureCoordUnits
= 8;
150 ctx
->Const
.MaxTextureUnits
= 2;
152 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
153 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 16;
154 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 1024;
155 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
156 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 64;
158 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxTextureImageUnits
= 16;
159 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxUniformComponents
= 1024;
160 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxInputComponents
=
161 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
;
162 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxOutputComponents
= 128;
164 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
= 16;
165 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 1024;
166 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
=
167 ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxOutputComponents
;
168 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
170 ctx
->Const
.MaxCombinedTextureImageUnits
=
171 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
172 + ctx
->Const
.Program
[MESA_SHADER_GEOMETRY
].MaxTextureImageUnits
173 + ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
;
175 ctx
->Const
.MaxGeometryOutputVertices
= 256;
176 ctx
->Const
.MaxGeometryTotalOutputComponents
= 1024;
178 // ctx->Const.MaxGeometryVaryingComponents = 64;
180 ctx
->Const
.MaxVarying
= 60 / 4;
183 ctx
->Const
.MaxClipPlanes
= 8;
184 ctx
->Const
.MaxCombinedTextureImageUnits
= 32;
185 ctx
->Const
.MaxDrawBuffers
= 4;
186 ctx
->Const
.MinProgramTexelOffset
= -8;
187 ctx
->Const
.MaxProgramTexelOffset
= 7;
188 ctx
->Const
.MaxLights
= 0;
189 ctx
->Const
.MaxTextureCoordUnits
= 0;
190 ctx
->Const
.MaxTextureUnits
= 0;
192 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
= 16;
193 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxTextureImageUnits
= 16;
194 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
= 1024;
195 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxInputComponents
= 0; /* not used */
196 ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxOutputComponents
= 16 * 4;
198 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxTextureImageUnits
= 16;
199 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
= 224;
200 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
= 15 * 4;
201 ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxOutputComponents
= 0; /* not used */
203 ctx
->Const
.MaxVarying
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxInputComponents
/ 4;
207 ctx
->Driver
.NewShader
= _mesa_new_shader
;
210 /* Returned string will have 'ctx' as its ralloc owner. */
212 load_text_file(void *ctx
, const char *file_name
)
216 size_t total_read
= 0;
217 FILE *fp
= fopen(file_name
, "rb");
223 fseek(fp
, 0L, SEEK_END
);
225 fseek(fp
, 0L, SEEK_SET
);
227 text
= (char *) ralloc_size(ctx
, size
+ 1);
230 size_t bytes
= fread(text
+ total_read
,
231 1, size
- total_read
, fp
);
232 if (bytes
< size
- total_read
) {
243 } while (total_read
< size
);
245 text
[total_read
] = '\0';
259 const struct option compiler_opts
[] = {
260 { "dump-ast", no_argument
, &dump_ast
, 1 },
261 { "dump-hir", no_argument
, &dump_hir
, 1 },
262 { "dump-lir", no_argument
, &dump_lir
, 1 },
263 { "link", no_argument
, &do_link
, 1 },
264 { "version", required_argument
, NULL
, 'v' },
269 * \brief Print proper usage and exit with failure.
272 usage_fail(const char *name
)
276 "usage: %s [options] <file.vert | file.geom | file.frag>\n"
278 "Possible options are:\n";
279 printf(header
, name
, name
);
280 for (const struct option
*o
= compiler_opts
; o
->name
!= 0; ++o
) {
281 printf(" --%s\n", o
->name
);
288 compile_shader(struct gl_context
*ctx
, struct gl_shader
*shader
)
290 struct _mesa_glsl_parse_state
*state
=
291 new(shader
) _mesa_glsl_parse_state(ctx
, shader
->Stage
, shader
);
293 _mesa_glsl_compile_shader(ctx
, shader
, dump_ast
, dump_hir
);
295 /* Print out the resulting IR */
296 if (!state
->error
&& dump_lir
) {
297 _mesa_print_ir(shader
->ir
, state
);
304 main(int argc
, char **argv
)
306 int status
= EXIT_SUCCESS
;
307 struct gl_context local_ctx
;
308 struct gl_context
*ctx
= &local_ctx
;
309 bool glsl_es
= false;
313 while ((c
= getopt_long(argc
, argv
, "", compiler_opts
, &idx
)) != -1) {
316 glsl_version
= strtol(optarg
, NULL
, 10);
317 switch (glsl_version
) {
331 fprintf(stderr
, "Unrecognized GLSL version `%s'\n", optarg
);
345 initialize_context(ctx
, (glsl_es
) ? API_OPENGLES2
: API_OPENGL_COMPAT
);
347 struct gl_shader_program
*whole_program
;
349 whole_program
= rzalloc (NULL
, struct gl_shader_program
);
350 assert(whole_program
!= NULL
);
351 whole_program
->InfoLog
= ralloc_strdup(whole_program
, "");
353 for (/* empty */; argc
> optind
; optind
++) {
354 whole_program
->Shaders
=
355 reralloc(whole_program
, whole_program
->Shaders
,
356 struct gl_shader
*, whole_program
->NumShaders
+ 1);
357 assert(whole_program
->Shaders
!= NULL
);
359 struct gl_shader
*shader
= rzalloc(whole_program
, gl_shader
);
361 whole_program
->Shaders
[whole_program
->NumShaders
] = shader
;
362 whole_program
->NumShaders
++;
364 const unsigned len
= strlen(argv
[optind
]);
368 const char *const ext
= & argv
[optind
][len
- 5];
369 if (strncmp(".vert", ext
, 5) == 0 || strncmp(".glsl", ext
, 5) == 0)
370 shader
->Type
= GL_VERTEX_SHADER
;
371 else if (strncmp(".geom", ext
, 5) == 0)
372 shader
->Type
= GL_GEOMETRY_SHADER
;
373 else if (strncmp(".frag", ext
, 5) == 0)
374 shader
->Type
= GL_FRAGMENT_SHADER
;
375 else if (strncmp(".comp", ext
, 5) == 0)
376 shader
->Type
= GL_COMPUTE_SHADER
;
379 shader
->Stage
= _mesa_shader_enum_to_shader_stage(shader
->Type
);
381 shader
->Source
= load_text_file(whole_program
, argv
[optind
]);
382 if (shader
->Source
== NULL
) {
383 printf("File \"%s\" does not exist.\n", argv
[optind
]);
387 compile_shader(ctx
, shader
);
389 if (strlen(shader
->InfoLog
) > 0)
390 printf("Info log for %s:\n%s\n", argv
[optind
], shader
->InfoLog
);
392 if (!shader
->CompileStatus
) {
393 status
= EXIT_FAILURE
;
398 if ((status
== EXIT_SUCCESS
) && do_link
) {
399 link_shaders(ctx
, whole_program
);
400 status
= (whole_program
->LinkStatus
) ? EXIT_SUCCESS
: EXIT_FAILURE
;
402 if (strlen(whole_program
->InfoLog
) > 0)
403 printf("Info log for linking:\n%s\n", whole_program
->InfoLog
);
406 for (unsigned i
= 0; i
< MESA_SHADER_STAGES
; i
++)
407 ralloc_free(whole_program
->_LinkedShaders
[i
]);
409 ralloc_free(whole_program
);
410 _mesa_glsl_release_types();
411 _mesa_glsl_release_builtin_functions();