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i965: Consider only the scissor rectangle for viewport 0 for clears

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noop_scissor (correctly) only examines the scissor rectangle for
viewport 0.  Therefore, it should only be called when that scissor
rectangle is enabled.

v2: Remove spurious change to radeon code.  Noticed by Ken.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ian Romanick 2014-01-17 15:28:23 -08:00
parent 2c27f1d47a
commit bdff9a6e47
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/i965/brw_clear.c
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@ -121,7 +121,7 @@ brw_fast_clear_depth(struct gl_context *ctx)
* a previous clear had happened at a different clear value and resolve it
* first.
*/
if (ctx->Scissor.EnableFlags && !noop_scissor(ctx, fb)) {
if ((ctx->Scissor.EnableFlags & 1) && !noop_scissor(ctx, fb)) {
perf_debug("Failed to fast clear depth due to scissor being enabled. "
"Possible 5%% performance win if avoided.\n");
return false;