Mesa (lp-binning): llvmpipe: fix-up polygon culling/winding
Brian Paul
brianp at kemper.freedesktop.org
Fri Dec 4 21:11:45 UTC 2009
Module: Mesa
Branch: lp-binning
Commit: 15a2a588d88ae02e575ff1ef9287c789ebdadead
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=15a2a588d88ae02e575ff1ef9287c789ebdadead
Author: Brian Paul <brianp at vmware.com>
Date: Fri Dec 4 13:53:28 2009 -0700
llvmpipe: fix-up polygon culling/winding
---
src/gallium/drivers/llvmpipe/lp_state_rasterizer.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c b/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
index 4561c6b..282ed2e 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_rasterizer.c
@@ -29,6 +29,7 @@
#include "util/u_memory.h"
#include "lp_context.h"
#include "lp_state.h"
+#include "lp_setup.h"
#include "draw/draw_context.h"
@@ -50,6 +51,16 @@ void llvmpipe_bind_rasterizer_state(struct pipe_context *pipe,
llvmpipe->rasterizer = (struct pipe_rasterizer_state *)setup;
+ /* Note: we can immediately set the triangle state here and
+ * not worry about binning because we handle culling during
+ * triangle setup, not when rasterizing the bins.
+ */
+ if (llvmpipe->rasterizer) {
+ lp_setup_set_triangle_state( llvmpipe->setup,
+ llvmpipe->rasterizer->cull_mode,
+ llvmpipe->rasterizer->front_winding == PIPE_WINDING_CCW );
+ }
+
llvmpipe->dirty |= LP_NEW_RASTERIZER;
}
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