On 19/04/16 02:41, Timothy Arceri wrote: > On Mon, 2016-04-18 at 17:12 -0700, Ian Romanick wrote: >> Since the whole gl_* namespace is reserved, it might be better / >> easier >> to strncmp(var->name, "gl_", 3) instead. > We even have a helper is_gl_identifier()
That method is the one I used on the final version of the patch reviewed by Kenneth and pushed ~1 month ago: https://lists.freedesktop.org/archives/mesa-dev/2016-April/111493.html > >> On 03/31/2016 02:48 AM, Alejandro Piñeiro wrote: >>> Most GLSL built-ins variables are filtered out because they have >>> the mode ir_var_system_value, but those two not. Those two are >>> specially handled as they can be infered from other system values, >>> and were represented as a variable initialized with a value >>> based of those system values, instead of a lowering. >>> --- >>> >>> As a reference, this would be the patch I'm proposing. >>> >>> src/compiler/glsl/ast_to_hir.cpp | 4 +++- >>> 1 file changed, 3 insertions(+), 1 deletion(-) >>> >>> diff --git a/src/compiler/glsl/ast_to_hir.cpp >>> b/src/compiler/glsl/ast_to_hir.cpp >>> index a031231..aec8e6f 100644 >>> --- a/src/compiler/glsl/ast_to_hir.cpp >>> +++ b/src/compiler/glsl/ast_to_hir.cpp >>> @@ -1905,7 +1905,9 @@ ast_expression::do_hir(exec_list >>> *instructions, >>> >>> if ((var->data.mode == ir_var_auto || var->data.mode == >>> ir_var_shader_out) >>> && !this->is_lhs >>> - && result->variable_referenced()->data.assigned != >>> true) { >>> + && result->variable_referenced()->data.assigned != >>> true >>> + && strcmp(var->name, "gl_GlobalInvocationID") != 0 >>> + && strcmp(var->name, "gl_LocalInvocationIndex") != 0) >>> { >>> _mesa_glsl_warning(&loc, state, "`%s' used >>> uninitialized", >>> this- >>>> primary_expression.identifier); >>> } >>> >> _______________________________________________ >> mesa-dev mailing list >> mesa-dev@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev