From: Timothy Arceri <timothy.arc...@collabora.com>
This will be used to disable the shader cache when xfb is enabled
via the api as we don't currently allow for it when generating the
sha for the shader.
---
src/compiler/glsl/link_varyings.cpp | 5 ++++-
src/mesa/main/mtypes.h | 3 +++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/compiler/glsl/link_varyings.cpp
b/src/compiler/glsl/link_varyings.cpp
index 69c92bf53b0..95773ccaa69 100644
--- a/src/compiler/glsl/link_varyings.cpp
+++ b/src/compiler/glsl/link_varyings.cpp
@@ -1126,9 +1126,12 @@ store_tfeedback_info(struct gl_context *ctx, struct
gl_shader_program *prog,
* however some drivers expect to receive the list of transform feedback
* declarations in order so sort it now for convenience.
*/
- if (has_xfb_qualifiers)
+ if (has_xfb_qualifiers) {
qsort(tfeedback_decls, num_tfeedback_decls, sizeof(*tfeedback_decls),
cmp_xfb_offset);
+ } else {
+ xfb_prog->sh.LinkedTransformFeedback->api_enabled = true;
+ }
xfb_prog->sh.LinkedTransformFeedback->Varyings =
rzalloc_array(xfb_prog, struct gl_transform_feedback_varying_info,
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index b7a46aed534..2acf64eb56d 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1779,6 +1779,9 @@ struct gl_transform_feedback_buffer
/** Post-link transform feedback info. */
struct gl_transform_feedback_info
{
+ /* Was xfb enabled via the api or in shader layout qualifiers */
+ bool api_enabled;
+
unsigned NumOutputs;
/* Bitmask of active buffer indices. */
--
2.15.0.rc0
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