Mesa (mesa_7_7_branch): mesa: Fix bad conversion in AL1616_REV texstore.
Eric Anholt
anholt at kemper.freedesktop.org
Thu Dec 3 00:21:16 UTC 2009
Module: Mesa
Branch: mesa_7_7_branch
Commit: db352f58fab419c475b89418cd27b35f5f5d3822
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=db352f58fab419c475b89418cd27b35f5f5d3822
Author: Eric Anholt <eric at anholt.net>
Date: Wed Dec 2 12:42:36 2009 -0800
mesa: Fix bad conversion in AL1616_REV texstore.
---
src/mesa/main/texstore.c | 20 ++++++++++++--------
1 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 5387eb1..792c831 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -2197,18 +2197,22 @@ _mesa_texstore_al1616(TEXSTORE_PARAMS)
GLuint *dstUI = (GLuint *) dstRow;
if (dstFormat == MESA_FORMAT_AL1616) {
for (col = 0; col < srcWidth; col++) {
- /* src[0] is luminance, src[1] is alpha */
- dstUI[col] = PACK_COLOR_1616( FLOAT_TO_USHORT(src[1]),
- FLOAT_TO_USHORT(src[0]) );
- src += 2;
+ GLushort l, a;
+
+ UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
+ UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
+ dstUI[col] = PACK_COLOR_1616(a, l);
+ src += 2;
}
}
else {
for (col = 0; col < srcWidth; col++) {
- /* src[0] is luminance, src[1] is alpha */
- dstUI[col] = PACK_COLOR_1616_REV( FLOAT_TO_UBYTE(src[1]),
- FLOAT_TO_UBYTE(src[0]) );
- src += 2;
+ GLushort l, a;
+
+ UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
+ UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
+ dstUI[col] = PACK_COLOR_1616_REV(a, l);
+ src += 2;
}
}
dstRow += dstRowStride;
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