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authorTapani Pälli <tapani.palli@intel.com>2015-06-09 11:06:56 +0300
committerTapani Pälli <tapani.palli@intel.com>2015-06-24 10:06:32 +0300
commit32a220f1f60980de50ecefb3b9ab1f754ade8c83 (patch)
tree86cfefe5e0cce0b12616a1480cea86ae38a30241
parent23132cd13baa7b3e9688a118466261a282594b8e (diff)
glsl: remove cross validation of interpolation qualifier with GLSL 4.40
Signed-off-by: Tapani Pälli <tapani.palli@intel.com> Reviewed-by: Timothy Arceri <t_arceri@yahoo.com.au>
-rw-r--r--src/glsl/link_varyings.cpp12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/glsl/link_varyings.cpp b/src/glsl/link_varyings.cpp
index 278a778797..020842a54a 100644
--- a/src/glsl/link_varyings.cpp
+++ b/src/glsl/link_varyings.cpp
@@ -128,7 +128,17 @@ cross_validate_types_and_qualifiers(struct gl_shader_program *prog,
return;
}
- if (input->data.interpolation != output->data.interpolation) {
+ /* GLSL >= 4.40 removes text requiring interpolation qualifiers
+ * to match cross stage, they must only match within the same stage.
+ *
+ * From page 84 (page 90 of the PDF) of the GLSL 4.40 spec:
+ *
+ * "It is a link-time error if, within the same stage, the interpolation
+ * qualifiers of variables of the same name do not match.
+ *
+ */
+ if (input->data.interpolation != output->data.interpolation &&
+ prog->Version < 440) {
linker_error(prog,
"%s shader output `%s' specifies %s "
"interpolation qualifier, "