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, 7 insertions, 5 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index 284337e8252..355c0518372 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -362,14 +362,16 @@ lp_setup_set_fs_inputs( struct setup_context *setup,
 }
 
 void
-lp_setup_set_fs_function( struct setup_context *setup,
-                          lp_jit_frag_func jit_function,
-                          boolean opaque )
+lp_setup_set_fs_functions( struct setup_context *setup,
+                           lp_jit_frag_func jit_function0,
+                           lp_jit_frag_func jit_function1,
+                           boolean opaque )
 {
-   LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) jit_function);
+   LP_DBG(DEBUG_SETUP, "%s %p\n", __FUNCTION__, (void *) jit_function0);
    /* FIXME: reference count */
 
-   setup->fs.current.jit_function = jit_function;
+   setup->fs.current.jit_function[0] = jit_function0;
+   setup->fs.current.jit_function[1] = jit_function1;
    setup->fs.current.opaque = opaque;
    setup->dirty |= LP_SETUP_NEW_FS;
 }