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

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>
This commit is contained in:
Dave Airlie 2011-11-30 20:10:19 +00:00 committed by Marek Olšák
parent bd1ae51b13
commit 094eeff199

View file

@ -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) {