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intel: Fix rendering to a multisample front buffer

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We need to downsample before flushing BUFFER_FAKE_FRONT_LEFT to
BUFFER_FRONT_LEFT in intel_flush_front.

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
This commit is contained in:
Chad Versace 2012-08-09 09:24:29 -07:00
parent a43599d1d1
commit 1938501fbf
1 changed files with 10 additions and 0 deletions
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10
src/mesa/drivers/dri/intel/intel_context.c
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@ -283,6 +283,16 @@ intel_flush_front(struct gl_context *ctx)
if (screen->dri2.loader->flushFrontBuffer != NULL &&
driDrawable &&
driDrawable->loaderPrivate) {
/* Downsample before flushing FAKE_FRONT_LEFT to FRONT_LEFT.
*
* This potentially downsamples both front and back buffer. It
* is unnecessary to downsample the back, but harms nothing except
* performance. And no one cares about front-buffer render
* performance.
*/
intel_downsample_for_dri2_flush(intel, driDrawable);
screen->dri2.loader->flushFrontBuffer(driDrawable,
driDrawable->loaderPrivate);