Among other things, blits would clear existing SO targets which would
cause a bunch of updates from u_blitter to be missed.

Fixes fbo-scissor-blit fbo, probably among many others.

Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
 src/gallium/drivers/swr/swr_state.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/swr/swr_state.cpp 
b/src/gallium/drivers/swr/swr_state.cpp
index 8541aca..f1cf4ae 100644
--- a/src/gallium/drivers/swr/swr_state.cpp
+++ b/src/gallium/drivers/swr/swr_state.cpp
@@ -1559,7 +1559,7 @@ swr_set_so_targets(struct pipe_context *pipe,
 
    swr->num_so_targets = num_targets;
 
-   swr->dirty = SWR_NEW_SO;
+   swr->dirty |= SWR_NEW_SO;
 }
 
 
-- 
2.7.3

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