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author | Matt Turner <mattst88@gmail.com> | 2013-06-10 13:28:40 -0700 |
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committer | Matt Turner <mattst88@gmail.com> | 2013-07-11 20:58:58 -0700 |
commit | b85f0c5121e4508af1125ff30db4221bcda10ac9 (patch) | |
tree | 7b46ca8ca0e5806d4dde7917ad8335978f34d811 /src/glsl | |
parent | ce2464a8a70e8449cb8b927fe4ae485dc93cfda3 (diff) | |
download | external_mesa3d-b85f0c5121e4508af1125ff30db4221bcda10ac9.zip external_mesa3d-b85f0c5121e4508af1125ff30db4221bcda10ac9.tar.gz external_mesa3d-b85f0c5121e4508af1125ff30db4221bcda10ac9.tar.bz2 |
glsl: Clean up and clarify comment explaining initializer rules.
Reviewed-by: Ian Romanick <ian.d.romainck@intel.com>
Diffstat (limited to 'src/glsl')
-rw-r--r-- | src/glsl/ast_function.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/glsl/ast_function.cpp b/src/glsl/ast_function.cpp index 4b0b873..bbc607a 100644 --- a/src/glsl/ast_function.cpp +++ b/src/glsl/ast_function.cpp @@ -1311,13 +1311,19 @@ ast_function_expression::hir(exec_list *instructions, } - /* There are two kinds of constructor call. Constructors for built-in - * language types, such as mat4 and vec2, are free form. The only - * requirement is that the parameters must provide enough values of the - * correct scalar type. Constructors for arrays and structures must - * have the exact number of parameters with matching types in the - * correct order. These constructors follow essentially the same type - * matching rules as functions. + /* There are two kinds of constructor calls. Constructors for arrays and + * structures must have the exact number of arguments with matching types + * in the correct order. These constructors follow essentially the same + * type matching rules as functions. + * + * Constructors for built-in language types, such as mat4 and vec2, are + * free form. The only requirements are that the parameters must provide + * enough values of the correct scalar type and that no arguments are + * given past the last used argument. + * + * When using the C-style initializer syntax from GLSL 4.20, constructors + * must have the exact number of arguments with matching types in the + * correct order. */ if (constructor_type->is_record()) { exec_list actual_parameters; |