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st/mesa: fix bug in depthstencil optimizing clear logic
author
Roland Scheidegger
<sroland@vmware.com>
Sat, 5 Jun 2010 14:44:31 +0000
(16:44 +0200)
committer
Roland Scheidegger
<sroland@vmware.com>
Sat, 5 Jun 2010 14:54:36 +0000
(16:54 +0200)
src/mesa/state_tracker/st_cb_clear.c
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diff --git
a/src/mesa/state_tracker/st_cb_clear.c
b/src/mesa/state_tracker/st_cb_clear.c
index
a819d30
..
b157925
100644
(file)
--- a/
src/mesa/state_tracker/st_cb_clear.c
+++ b/
src/mesa/state_tracker/st_cb_clear.c
@@
-540,7
+540,8
@@
st_Clear(GLcontext *ctx, GLbitfield mask)
* required from the visual. Hence fix this up to avoid potential
* read-modify-write in the driver.
*/
- if (((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
+ if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) &&
+ ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
(depthRb == stencilRb) &&
(ctx->DrawBuffer->Visual.depthBits == 0 ||
ctx->DrawBuffer->Visual.stencilBits == 0))