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authorGareth Hughes <gareth@valinux.com>2001-03-18 08:53:49 +0000
committerGareth Hughes <gareth@valinux.com>2001-03-18 08:53:49 +0000
commit2c3d34c905fa6b831a066afae83b938de05eb241 (patch)
tree8905ffec020f38687d4e1df313022bb3bef8f467 /src/mesa/main/macros.h
parent6e550baa0a2b72bb0e4f5b19fdf74e5d3f377565 (diff)
- Port 3.4 texture utils, texture format work to 3.5 (including new
FetchTexel routines). - Initial hooks for GL_EXT_texture_filter_anisotropic.
Diffstat (limited to 'src/mesa/main/macros.h')
-rw-r--r--src/mesa/main/macros.h29
1 files changed, 28 insertions, 1 deletions
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 1cfb55552d..b9ccd906d4 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -1,4 +1,4 @@
-/* $Id: macros.h,v 1.19 2001/03/12 00:48:38 gareth Exp $ */
+/* $Id: macros.h,v 1.20 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -443,4 +443,31 @@ do { \
} while (0)
+
+/* Generic color packing macros
+ */
+
+#define PACK_COLOR_8888( a, b, c, d ) \
+ (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
+
+#define PACK_COLOR_888( a, b, c ) \
+ (((a) << 16) | ((b) << 8) | (c))
+
+#define PACK_COLOR_565( a, b, c ) \
+ ((((a) & 0xf8) << 8) | (((b) & 0xfc) << 3) | (((c) & 0xf8) >> 3))
+
+#define PACK_COLOR_1555( a, b, c, d ) \
+ ((((b) & 0xf8) << 7) | (((c) & 0xf8) << 2) | (((d) & 0xf8) >> 3) | \
+ ((a) ? 0x8000 : 0))
+
+#define PACK_COLOR_4444( a, b, c, d ) \
+ ((((a) & 0xf0) << 8) | (((b) & 0xf0) << 4) | ((c) & 0xf0) | ((d) >> 4))
+
+#define PACK_COLOR_88( a, b ) \
+ (((a) << 8) | (b))
+
+#define PACK_COLOR_332( a, b, c ) \
+ (((a) & 0xe0) | (((b) & 0xe0) >> 3) | (((c) & 0xc0) >> 6))
+
+
#endif