Check if shaders have transform feedback varyings also after the
post-link step.
This fixes:
KHR-GL45.enhanced_layouts.xfb_vertex_streams
piglit/spec/arb_enhanced_layouts/gs-stream-location-aliasing
v2: add claryfing comments (Timothy)
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
shader->info.name = ralloc_asprintf(shader, "GLSL%d", shader_prog->Name);
if (shader_prog->Label)
shader->info.label = ralloc_strdup(shader, shader_prog->Label);
+
+ /* Check for transform feedback varyings specified via the API */
shader->info.has_transform_feedback_varyings =
shader_prog->TransformFeedback.NumVarying > 0;
+ /* Check for transform feedback varyings specified in the Shader */
+ if (shader_prog->last_vert_prog)
+ shader->info.has_transform_feedback_varyings |=
+ shader_prog->last_vert_prog->sh.LinkedTransformFeedback->NumVarying > 0;
+
return shader;
}