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glsl2: Default delcaration of gl_TexCoord is unsized

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This commit is contained in:
Ian Romanick
2010-07-01 13:17:54 -07:00
parent 5466b63968
commit cd00d5b88c
2 changed files with 34 additions and 11 deletions
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19
src/glsl/ast_to_hir.cpp
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@@ -1813,7 +1813,24 @@ ast_declarator_list::hir(exec_list *instructions,
* FINISHME: required or not.
*/
if (var->type->array_size() <= (int)earlier->max_array_access) {
/* From page 54 (page 60 of the PDF) of the GLSL 1.20 spec:
*
* "The size [of gl_TexCoord] can be at most
* gl_MaxTextureCoords."
*
* FINISHME: Every platform that supports GLSL sets
* FINISHME: gl_MaxTextureCoords to at least 4, so hard-code 4
* FINISHME: for now.
*/
if ((strcmp("gl_TexCoord", var->name) == 0)
&& (var->type->array_size() > 4)) {
YYLTYPE loc = this->get_location();
_mesa_glsl_error(& loc, state, "`gl_TexCoord' array size cannot "
"be larger than gl_MaxTextureCoords (%u)\n",
4);
} else if (var->type->array_size() <=
(int)earlier->max_array_access) {
YYLTYPE loc = this->get_location();
_mesa_glsl_error(& loc, state, "array size must be > %u due to "