[Mesa-dev] [PATCH] swr: allow alphatest without blend or logicop

[Tim Rowley]

We need to compile a blend function when alphatest is enabled.
---
 src/gallium/drivers/swr/swr_state.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/swr/swr_state.cpp b/src/gallium/drivers/swr/swr_state.cpp
index 3e02322..424bff2 100644
--- a/src/gallium/drivers/swr/swr_state.cpp
+++ b/src/gallium/drivers/swr/swr_state.cpp
@@ -1300,7 +1300,8 @@ swr_update_derived(struct pipe_context *pipe,
                    sizeof(compileState.blendState));
 
             if (compileState.blendState.blendEnable == false &&
-                compileState.blendState.logicOpEnable == false) {
+                compileState.blendState.logicOpEnable == false &&
+                ctx->depth_stencil->alpha.enabled == 0) {
                SwrSetBlendFunc(ctx->swrContext, target, NULL);
                continue;
             }
-- 
2.7.4