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authorEric Anholt <anholt@FreeBSD.org>2006-06-19 14:06:02 -0700
committerEric Anholt <anholt@FreeBSD.org>2006-07-05 17:22:11 -0700
commitb4a0cabc98b3b7aca05effd5d7c9b4b23096640d (patch)
treece49d96725b94f3c46adf4ce63a1f0a896ea63bc
parentfe99f25e979ef3c0e7cd8ba68ae46a7c18cb9fd3 (diff)
Correct component ordering when fetching [ax]4b4g4r4 pixels.
Noticed by: rendercheck (cherry picked from e793f0eeee3e9c83b6a7b50d451fb6db12839087 commit)
-rw-r--r--fb/fbcompose.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/fb/fbcompose.c b/fb/fbcompose.c
index a9ae6da4a..490a1961f 100644
--- a/fb/fbcompose.c
+++ b/fb/fbcompose.c
@@ -267,11 +267,11 @@ fbFetch_a4b4g4r4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexe
CARD32 r,g,b, a;
a = ((p & 0xf000) | ((p & 0xf000) >> 4)) << 16;
- b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
+ b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) >> 4;
g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
- r = ((p & 0x000f) | ((p & 0x000f) << 4));
+ r = ((p & 0x000f) | ((p & 0x000f) << 4)) << 16;
*buffer++ = (a | r | g | b);
- }
+ }
}
static FASTCALL void
@@ -283,11 +283,11 @@ fbFetch_x4b4g4r4 (const FbBits *bits, int x, int width, CARD32 *buffer, miIndexe
CARD32 p = *pixel++;
CARD32 r,g,b;
- b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) << 12;
+ b = ((p & 0x0f00) | ((p & 0x0f00) >> 4)) >> 4;
g = ((p & 0x00f0) | ((p & 0x00f0) >> 4)) << 8;
- r = ((p & 0x000f) | ((p & 0x000f) << 4));
+ r = ((p & 0x000f) | ((p & 0x000f) << 4)) << 16;
*buffer++ = (0xff000000 | r | g | b);
- }
+ }
}
static FASTCALL void
@@ -758,9 +758,9 @@ fbFetchPixel_a4b4g4r4 (const FbBits *bits, int offset, miIndexedPtr indexed)
CARD32 a,r,g,b;
a = ((pixel & 0xf000) | ((pixel & 0xf000) >> 4)) << 16;
- b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
+ b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) >> 4;
g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
+ r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)) << 16;
return (a | r | g | b);
}
@@ -770,9 +770,9 @@ fbFetchPixel_x4b4g4r4 (const FbBits *bits, int offset, miIndexedPtr indexed)
CARD32 pixel = ((CARD16 *) bits)[offset];
CARD32 r,g,b;
- b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) << 12;
+ b = ((pixel & 0x0f00) | ((pixel & 0x0f00) >> 4)) >> 4;
g = ((pixel & 0x00f0) | ((pixel & 0x00f0) >> 4)) << 8;
- r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4));
+ r = ((pixel & 0x000f) | ((pixel & 0x000f) << 4)) << 16;
return (0xff000000 | r | g | b);
}