From: Jason Ekstrand <jason.ekstr...@intel.com>
Texture uploads and downloads may go through the render pipe which may
result in texturing from or rendering to the texture or the PBO. We
need to flush accordingly.
---
src/mesa/drivers/dri/i965/brw_program.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_program.c
b/src/mesa/drivers/dri/i965/brw_program.c
index 9ec2917c90e..0b2622a2320 100644
--- a/src/mesa/drivers/dri/i965/brw_program.c
+++ b/src/mesa/drivers/dri/i965/brw_program.c
@@ -268,8 +268,10 @@ brw_memory_barrier(struct gl_context *ctx, GLbitfield
barriers)
if (barriers & GL_TEXTURE_FETCH_BARRIER_BIT)
bits |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE;
- if (barriers & GL_TEXTURE_UPDATE_BARRIER_BIT)
- bits |= PIPE_CONTROL_RENDER_TARGET_FLUSH;
+ if (barriers & (GL_TEXTURE_UPDATE_BARRIER_BIT|
+ GL_PIXEL_BUFFER_BARRIER_BIT))
+ bits |= (PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
+ PIPE_CONTROL_RENDER_TARGET_FLUSH);
if (barriers & GL_FRAMEBUFFER_BARRIER_BIT)
bits |= (PIPE_CONTROL_DEPTH_CACHE_FLUSH |
--
2.14.2
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