int
main (int argc, char *argv[])
{
char *filename = NULL;
void *ctx = ralloc(NULL, void*);
char *info_log = ralloc_strdup(ctx, "");
const char *shader;
int ret;
struct gl_context gl_ctx;
int c;
init_fake_gl_context (&gl_ctx);
while ((c = getopt_long(argc, argv, "d", long_options, NULL)) != -1) {
switch (c) {
case DISABLE_LINE_CONTINUATIONS_OPT:
gl_ctx.Const.DisableGLSLLineContinuations = true;
break;
case 'd':
glcpp_parser_debug = 1;
break;
default:
usage ();
exit (1);
}
}
if (optind + 1 < argc) {
printf ("Unexpected argument: %s\n", argv[optind+1]);
usage ();
exit (1);
}
if (optind < argc) {
filename = argv[optind];
}
shader = load_text_file (ctx, filename);
if (shader == NULL)
return 1;
_mesa_locale_init();
ret = glcpp_preprocess(ctx, &shader, &info_log, NULL, &gl_ctx);
printf("%s", shader);
fprintf(stderr, "%s", info_log);
ralloc_free(ctx);
return ret;
}
void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
{
memset(ctx, 0, sizeof(*ctx));
ctx->API = api;
ctx->Extensions.dummy_false = false;
ctx->Extensions.dummy_true = true;
ctx->Extensions.ARB_compute_shader = true;
ctx->Extensions.ARB_conservative_depth = true;
ctx->Extensions.ARB_draw_instanced = true;
ctx->Extensions.ARB_ES2_compatibility = true;
ctx->Extensions.ARB_ES3_compatibility = true;
ctx->Extensions.ARB_explicit_attrib_location = true;
ctx->Extensions.ARB_fragment_coord_conventions = true;
ctx->Extensions.ARB_fragment_layer_viewport = true;
ctx->Extensions.ARB_gpu_shader5 = true;
ctx->Extensions.ARB_gpu_shader_fp64 = true;
ctx->Extensions.ARB_sample_shading = true;
ctx->Extensions.ARB_shader_bit_encoding = true;
ctx->Extensions.ARB_shader_stencil_export = true;
ctx->Extensions.ARB_shader_subroutine = true;
ctx->Extensions.ARB_shader_texture_lod = true;
ctx->Extensions.ARB_shading_language_420pack = true;
ctx->Extensions.ARB_shading_language_packing = true;
ctx->Extensions.ARB_tessellation_shader = true;
ctx->Extensions.ARB_texture_cube_map_array = true;
ctx->Extensions.ARB_texture_gather = true;
ctx->Extensions.ARB_texture_multisample = true;
ctx->Extensions.ARB_texture_query_levels = true;
ctx->Extensions.ARB_texture_query_lod = true;
ctx->Extensions.ARB_uniform_buffer_object = true;
ctx->Extensions.ARB_viewport_array = true;
ctx->Extensions.OES_EGL_image_external = true;
ctx->Extensions.OES_standard_derivatives = true;
ctx->Extensions.EXT_shader_integer_mix = true;
ctx->Extensions.EXT_texture_array = true;
ctx->Extensions.NV_texture_rectangle = true;
ctx->Const.GLSLVersion = 120;
/* 1.20 minimums. */
ctx->Const.MaxLights = 8;
ctx->Const.MaxClipPlanes = 6;
ctx->Const.MaxTextureUnits = 2;
ctx->Const.MaxTextureCoordUnits = 2;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
ctx->Const.MaxVarying = 8; /* == gl_MaxVaryingFloats / 4 */
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
ctx->Const.MaxCombinedTextureImageUnits = 2;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 2;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 32;
ctx->Const.MaxDrawBuffers = 1;
ctx->Const.MaxComputeWorkGroupCount[0] = 65535;
ctx->Const.MaxComputeWorkGroupCount[1] = 65535;
ctx->Const.MaxComputeWorkGroupCount[2] = 65535;
ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
ctx->Const.MaxComputeWorkGroupSize[2] = 64;
ctx->Const.MaxComputeWorkGroupInvocations = 1024;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */
/* Set up default shader compiler options. */
struct gl_shader_compiler_options options;
memset(&options, 0, sizeof(options));
options.MaxUnrollIterations = 32;
options.MaxIfDepth = UINT_MAX;
for (int sh = 0; sh < MESA_SHADER_STAGES; ++sh)
memcpy(&ctx->Const.ShaderCompilerOptions[sh], &options, sizeof(options));
_mesa_locale_init();
}
