Mesa (master): gallium/aux: Use TGSI chan name defines inplace of literals

[Nicolai Hähnle]

Module: Mesa
Branch: master
Commit: b42254eff3d982c6cf649e37029c928290d781fd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b42254eff3d982c6cf649e37029c928290d781fd

Author: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Date:   Fri Jan  8 03:44:45 2016 +1100

gallium/aux: Use TGSI chan name defines inplace of literals

Signed-off-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

---

 src/gallium/auxiliary/tgsi/tgsi_util.c |   13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 653e650..5fff3f0 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -29,6 +29,7 @@
 #include "pipe/p_shader_tokens.h"
 #include "tgsi_parse.h"
 #include "tgsi_util.h"
+#include "tgsi_exec.h"
 
 union pointer_hack
 {
@@ -53,17 +54,17 @@ tgsi_util_get_src_register_swizzle(
    const struct tgsi_src_register *reg,
    unsigned component )
 {
-   switch( component ) {
-   case 0:
+   switch (component) {
+   case TGSI_CHAN_X:
       return reg->SwizzleX;
-   case 1:
+   case TGSI_CHAN_Y:
       return reg->SwizzleY;
-   case 2:
+   case TGSI_CHAN_Z:
       return reg->SwizzleZ;
-   case 3:
+   case TGSI_CHAN_W:
       return reg->SwizzleW;
    default:
-      assert( 0 );
+      assert(0);
    }
    return 0;
 }