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authorBrian Paul <brian.paul@tungstengraphics.com>2008-12-10 18:00:59 -0700
committerBrian Paul <brian.paul@tungstengraphics.com>2008-12-10 18:06:38 -0700
commit8137da952b6f30329adf7d49d2d9e58625534dd4 (patch)
tree2a2ec6323406f23566964c287218ad36f227d560
parent99b862cd77fb088d0b2e62c6c15ecef82ec4fb80 (diff)
gallium: only mark back color buffer surfaces as undefined after swapbuffers
Marking all surfaces as undefined was wrong and cause some glean failures because glReadPixels was used after SwapBuffers.
-rw-r--r--src/mesa/state_tracker/st_framebuffer.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 6ee1777fb7..7d270a3272 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -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;
}
}