From 555f0a88182e2b1af809b2d97abdac02814a2f28 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Sat, 28 Feb 2009 12:21:18 -0700
Subject: mesa: remove unused AUX buffers

Remove all references to aux buffers 1..3.  Keep AUX0 around for now just
in case, but it'll probably go too someday.  I don't know of any OpenGL
drivers since the IRIX days that support aux color buffers.
---
 src/mesa/main/buffers.c | 12 ------------
 src/mesa/main/config.h  |  2 +-
 src/mesa/main/mtypes.h  | 10 ++--------
 3 files changed, 3 insertions(+), 21 deletions(-)

(limited to 'src/mesa/main')

diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index 85db3868c4..1580487ffd 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -119,12 +119,6 @@ draw_buffer_enum_to_bitmask(GLenum buffer)
          return BUFFER_BIT_FRONT_LEFT;
       case GL_AUX0:
          return BUFFER_BIT_AUX0;
-      case GL_AUX1:
-         return BUFFER_BIT_AUX1;
-      case GL_AUX2:
-         return BUFFER_BIT_AUX2;
-      case GL_AUX3:
-         return BUFFER_BIT_AUX3;
       case GL_COLOR_ATTACHMENT0_EXT:
          return BUFFER_BIT_COLOR0;
       case GL_COLOR_ATTACHMENT1_EXT:
@@ -176,12 +170,6 @@ read_buffer_enum_to_index(GLenum buffer)
          return BUFFER_FRONT_LEFT;
       case GL_AUX0:
          return BUFFER_AUX0;
-      case GL_AUX1:
-         return BUFFER_AUX1;
-      case GL_AUX2:
-         return BUFFER_AUX2;
-      case GL_AUX3:
-         return BUFFER_AUX3;
       case GL_COLOR_ATTACHMENT0_EXT:
          return BUFFER_COLOR0;
       case GL_COLOR_ATTACHMENT1_EXT:
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index bb3e980bfa..282ad9514c 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -68,7 +68,7 @@
 #define MAX_PIXEL_MAP_TABLE 256
 
 /** Maximum number of auxillary color buffers */
-#define MAX_AUX_BUFFERS 4
+#define MAX_AUX_BUFFERS 1
 
 /** Maximum order (degree) of curves */
 #ifdef AMIGA
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index f17b9e1e71..9ee341582c 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -285,14 +285,11 @@ typedef enum
    BUFFER_BACK_LEFT,
    BUFFER_FRONT_RIGHT,
    BUFFER_BACK_RIGHT,
-   /* optional aux buffers */
-   BUFFER_AUX0,
-   BUFFER_AUX1,
-   BUFFER_AUX2,
-   BUFFER_AUX3,
    BUFFER_DEPTH,
    BUFFER_STENCIL,
    BUFFER_ACCUM,
+   /* optional aux buffer */
+   BUFFER_AUX0,
    /* generic renderbuffers */
    BUFFER_COLOR0,
    BUFFER_COLOR1,
@@ -336,9 +333,6 @@ typedef enum
                             BUFFER_BIT_FRONT_RIGHT | \
                             BUFFER_BIT_BACK_RIGHT | \
                             BUFFER_BIT_AUX0 | \
-                            BUFFER_BIT_AUX1 | \
-                            BUFFER_BIT_AUX2 | \
-                            BUFFER_BIT_AUX3 | \
                             BUFFER_BIT_COLOR0 | \
                             BUFFER_BIT_COLOR1 | \
                             BUFFER_BIT_COLOR2 | \
-- 
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