diff options
| author | Brian Paul <brianp@vmware.com> | 2009-11-30 09:21:49 -0700 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-12-01 12:25:13 -0700 |
| commit | e0399fddf2efd556ece8b81078368e6ab388c3b7 (patch) | |
| tree | ebbf54e5ad7264c74f996b8972c2f6a497d51eb6 | |
| parent | 574715d8368f99c0a5720a9676385d58d6cfdf30 (diff) | |
softpipe: setup machine->Face without a conditional
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_fs_exec.c | 7 |
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 a8999ed347..27fa126b7c 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) |