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authorJosé Fonseca <[email protected]>2010-09-12 10:14:50 +0100
committerJosé Fonseca <[email protected]>2010-09-12 10:15:48 +0100
commit853953dc3c5bd2ef9cca904c9cabc4a0ef037b16 (patch)
tree72e0f1241024fc1dc406db31d4c4d3632cbc7957 /src/gallium
parentb5fcf0c8e07e666523b007fab1d0fc18c2c89241 (diff)
llvmpipe: Only generate the whole shader specialization for opaque shaders.
If not opaque, then the color buffer will have to be read any way, therefore the specialization is pointless.
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 3a6011c7842..1bcc16dd6dd 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -850,9 +850,15 @@ generate_variant(struct llvmpipe_context *lp,
lp_debug_fs_variant(variant);
}
- generate_fragment(lp, shader, variant, RAST_WHOLE);
generate_fragment(lp, shader, variant, RAST_EDGE_TEST);
+ if (variant->opaque) {
+ /* Specialized shader, which doesn't need to read the color buffer. */
+ generate_fragment(lp, shader, variant, RAST_WHOLE);
+ } else {
+ variant->jit_function[RAST_WHOLE] = variant->jit_function[RAST_EDGE_TEST];
+ }
+
return variant;
}