[Mesa-dev] [PATCH] gallium/aux: Turn TGSI_CHAN_* into enum

[Edward O'Callaghan]

Signed-off-by: Edward O'Callaghan <eocallag...@alterapraxis.com>
---
 src/gallium/auxiliary/tgsi/tgsi_exec.h | 10 ++++++----
 src/gallium/auxiliary/tgsi/tgsi_util.c | 16 ++++++++--------
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h 
b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index 26fec8e..7911fa8 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -37,10 +37,12 @@
 extern "C" {
 #endif
 
-#define TGSI_CHAN_X 0
-#define TGSI_CHAN_Y 1
-#define TGSI_CHAN_Z 2
-#define TGSI_CHAN_W 3
+enum tgsi_chan {
+   TGSI_CHAN_X,
+   TGSI_CHAN_Y,
+   TGSI_CHAN_Z,
+   TGSI_CHAN_W,
+};
 
 #define TGSI_NUM_CHANNELS 4  /* R,G,B,A */
 #define TGSI_QUAD_SIZE    4  /* 4 pixel/quad */
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c 
b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 5fff3f0..0047db1 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -52,7 +52,7 @@ tgsi_align_128bit(
 unsigned
 tgsi_util_get_src_register_swizzle(
    const struct tgsi_src_register *reg,
-   unsigned component )
+   enum tgsi_chan component)
 {
    switch (component) {
    case TGSI_CHAN_X:
@@ -73,7 +73,7 @@ tgsi_util_get_src_register_swizzle(
 unsigned
 tgsi_util_get_full_src_register_swizzle(
    const struct tgsi_full_src_register  *reg,
-   unsigned component )
+   enum tgsi_chan component)
 {
    return tgsi_util_get_src_register_swizzle(
       &reg->Register,
@@ -84,19 +84,19 @@ void
 tgsi_util_set_src_register_swizzle(
    struct tgsi_src_register *reg,
    unsigned swizzle,
-   unsigned component )
+   enum tgsi_chan component)
 {
-   switch( component ) {
-   case 0:
+   switch (component) {
+   case TGSI_CHAN_X:
       reg->SwizzleX = swizzle;
       break;
-   case 1:
+   case TGSI_CHAN_Y:
       reg->SwizzleY = swizzle;
       break;
-   case 2:
+   case TGSI_CHAN_Z:
       reg->SwizzleZ = swizzle;
       break;
-   case 3:
+   case TGSI_CHAN_W:
       reg->SwizzleW = swizzle;
       break;
    default:
-- 
2.5.0

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