llvmpipe: generate two shader varients, one omits triangle in/out testing

When we know that a 4x4 pixel block is entirely inside of a triangle
use the jit function which omits the in/out test code.

Results in a few percent speedup in many tests.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_state.h b/src/gallium/drivers/llvmpipe/lp_state.h
index ddb152c074..224b6e523c 100644
--- a/src/gallium/drivers/llvmpipe/lp_state.h
+++ b/src/gallium/drivers/llvmpipe/lp_state.h
@@ -88,9 +88,9 @@ struct lp_fragment_shader_variant
 
    struct lp_fragment_shader_variant_key key;
 
-   LLVMValueRef function;
+   LLVMValueRef function[2];
 
-   lp_jit_frag_func jit_function;
+   lp_jit_frag_func jit_function[2];
 
    struct lp_fragment_shader_variant *next;
 };