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gallium: Only set FRONT_STATUS_COPY_OF_BACK if there is a back buffer.
[mesa.git]
/
src
/
mesa
/
state_tracker
/
st_framebuffer.c
diff --git
a/src/mesa/state_tracker/st_framebuffer.c
b/src/mesa/state_tracker/st_framebuffer.c
index 33a90ea7db605edf23327e63d2ba4e696fd7b528..fe99fc08926c9e2f7df5fd6d2953cee957528513 100644
(file)
--- a/
src/mesa/state_tracker/st_framebuffer.c
+++ b/
src/mesa/state_tracker/st_framebuffer.c
@@
-280,7
+280,8
@@
st_notify_swapbuffers(struct st_framebuffer *stfb)
PIPE_FLUSH_SWAPBUFFERS |
PIPE_FLUSH_FRAME,
NULL );
- ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
+ if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer))
+ ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
}
}