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authorBrian Paul <[email protected]>2009-11-30 09:21:49 -0700
committerBrian Paul <[email protected]>2009-12-01 12:25:13 -0700
commite0399fddf2efd556ece8b81078368e6ab388c3b7 (patch)
treeebbf54e5ad7264c74f996b8972c2f6a497d51eb6 /src
parent574715d8368f99c0a5720a9676385d58d6cfdf30 (diff)
softpipe: setup machine->Face without a conditional
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/softpipe/sp_fs_exec.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/gallium/drivers/softpipe/sp_fs_exec.c b/src/gallium/drivers/softpipe/sp_fs_exec.c
index a8999ed3479..27fa126b7c3 100644
--- a/src/gallium/drivers/softpipe/sp_fs_exec.c
+++ b/src/gallium/drivers/softpipe/sp_fs_exec.c
@@ -127,11 +127,8 @@ exec_run( const struct sp_fragment_shader *base,
(float)quad->input.x0, (float)quad->input.y0,
&machine->QuadPos);
- if (quad->input.facing) {
- machine->Face = -1.0f;
- } else {
- machine->Face = 1.0f;
- }
+ /* convert 0 to 1.0 and 1 to -1.0 */
+ machine->Face = (float) (quad->input.facing * -2 + 1);
quad->inout.mask &= tgsi_exec_machine_run( machine );
if (quad->inout.mask == 0)