diff options
| -rw-r--r-- | src/glsl/ast_to_hir.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp index 51bc8ecd057..764c549005f 100644 --- a/src/glsl/ast_to_hir.cpp +++ b/src/glsl/ast_to_hir.cpp @@ -2351,6 +2351,39 @@ ast_declarator_list::hir(exec_list *instructions, } + /* Precision qualifiers exists only in GLSL versions 1.00 and >= 1.30. + */ + if (this->type->specifier->precision != ast_precision_none + && state->language_version != 100 + && state->language_version < 130) { + + _mesa_glsl_error(&loc, state, + "precision qualifiers are supported only in GLSL ES " + "1.00, and GLSL 1.30 and later"); + } + + + /* Precision qualifiers do not apply to bools and structs. + * + * From section 4.5.2 of the GLSL 1.30 spec: + * "Any floating point or any integer declaration can have the type + * preceded by one of these precision qualifiers [...] Literal + * constants do not have precision qualifiers. Neither do Boolean + * variables. + */ + if (this->type->specifier->precision != ast_precision_none + && this->type->specifier->type_specifier == ast_bool) { + + _mesa_glsl_error(&loc, state, + "preicion qualifiers do not apply to type bool"); + } + if (this->type->specifier->precision != ast_precision_none + && this->type->specifier->structure != NULL) { + + _mesa_glsl_error(&loc, state, + "precision qualifiers do not apply to structures"); + } + /* Process the initializer and add its instructions to a temporary * list. This list will be added to the instruction stream (below) after * the declaration is added. This is done because in some cases (such as |