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i965/barrier: Do the correct flushes for texture updates 

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.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Jason Ekstrand 2017-06-14 22:27:20 -07:00 committed by Kenneth Graunke
parent 2f1cdd7137
commit 45991479a3
1 changed files with 4 additions and 2 deletions
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6
src/mesa/drivers/dri/i965/brw_program.c
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@ -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 |