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gallium: only mark back color buffer surfaces as undefined after swapbuffers

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Marking all surfaces as undefined was wrong and cause some glean failures
because glReadPixels was used after SwapBuffers.
This commit is contained in:
Brian Paul
2008-12-10 18:00:59 -07:00
parent 99b862cd77
commit 8137da952b
1 changed files with 10 additions and 8 deletions
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src/mesa/state_tracker/st_framebuffer.c
+10 -8
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@@ -284,15 +284,17 @@ st_notify_swapbuffers_complete(struct st_framebuffer *stfb)
if (ctx && ctx->DrawBuffer == &stfb->Base) {
struct st_renderbuffer *strb;
int i;
for (i = 0; i < BUFFER_COUNT; i++) {
if (stfb->Base.Attachment[i].Renderbuffer) {
strb = st_renderbuffer(stfb->Base.Attachment[i].Renderbuffer);
if (strb->surface)
strb->surface->status = PIPE_SURFACE_STATUS_UNDEFINED;
}
}
/* Mark back color buffers as undefined */
strb = st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].
Renderbuffer);
if (strb && strb->surface)
strb->surface->status = PIPE_SURFACE_STATUS_UNDEFINED;
strb = st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_RIGHT].
Renderbuffer);
if (strb && strb->surface)
strb->surface->status = PIPE_SURFACE_STATUS_UNDEFINED;
}
}