From: Timothy Arceri <timothy.arc...@collabora.com>
For now this disables the shader cache when transform feedback is
enabled via the GL API as we don't currently allow for it when
generating the sha for the shader.
---
src/mesa/drivers/dri/i965/brw_disk_cache.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_disk_cache.c
b/src/mesa/drivers/dri/i965/brw_disk_cache.c
index 0a612d7811..d89df846d5 100644
--- a/src/mesa/drivers/dri/i965/brw_disk_cache.c
+++ b/src/mesa/drivers/dri/i965/brw_disk_cache.c
@@ -290,6 +290,14 @@ brw_disk_cache_upload_program(struct brw_context *brw,
gl_shader_stage stage)
if (prog == NULL)
return false;
+ /* FIXME: For now we don't read from the cache if transform feedback is
+ * enabled via the API. However the shader cache does support transform
+ * feedback when enabled via in shader xfb qualifiers.
+ */
+ if (prog->sh.LinkedTransformFeedback &&
+ prog->sh.LinkedTransformFeedback->api_enabled)
+ return false;
+
if (prog->sh.data->LinkStatus != linking_skipped)
goto FAIL;
--
2.15.0.rc0
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