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st/mesa: only resolve if number of samples is > 1

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Marek: this fixes a firefox crash and maybe even:
https://bugs.freedesktop.org/show_bug.cgi?id=45943

NOTE: This is a candidate for the 8.0 branch.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Marek Olšák <maraeo@gmail.com>
(cherry picked from commit 094eeff199)
This commit is contained in:
Dave Airlie 2011-11-30 20:10:19 +00:00 • committed by Ian Romanick
parent a2186a2ea6
commit 9e98d38e58
1 changed files with 2 additions and 1 deletions
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3
src/mesa/state_tracker/st_cb_blit.c
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@ -178,7 +178,8 @@ st_BlitFramebuffer(struct gl_context *ctx,
st->pipe->render_condition(st->pipe, NULL, 0);
}
if (readFB->Visual.sampleBuffers > drawFB->Visual.sampleBuffers) {
if (readFB->Visual.sampleBuffers > drawFB->Visual.sampleBuffers &&
readFB->Visual.samples > 1) {
struct pipe_resolve_info info;
if (dstX0 < dstX1) {