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intel-gem: Emit an MI_FLUSH at glFlush() so frontbuffer rendering is flushed.

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We have something similar in the X Server that covers X Server rendering, this
is the equivalent here for rendering to the front buffer.  If we cared about
avoiding this at glFlush time, we could only do this when some actual
frontbuffer rendering had occurred.

Bug #16392.
This commit is contained in:
Eric Anholt 2008-07-02 11:16:30 -07:00
parent 4b3ed4d2d1
commit a995bdced2
1 changed files with 6 additions and 0 deletions
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6
src/mesa/drivers/dri/intel/intel_context.c
View file

@ -365,6 +365,12 @@ intelFlush(GLcontext * ctx)
if (!IS_965(intel->intelScreen->deviceID))
INTEL_FIREVERTICES(intel);
/* Emit a flush so that any frontbuffer rendering that might have occurred
* lands onscreen in a timely manner, even if the X Server doesn't trigger
* a flush for us.
*/
intel_batchbuffer_emit_mi_flush(intel->batch);
if (intel->batch->map != intel->batch->ptr)
intel_batchbuffer_flush(intel->batch);
}