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authorJason Ekstrand <[email protected]>2014-08-22 20:32:27 -0700
committerIago Toral Quiroga <[email protected]>2015-01-12 11:20:27 +0100
commit96fe6191cb8c61ca5ae7c49f54db83f3b44ed126 (patch)
tree2fb827970e9532c18d18be63c5b7a60602612f96 /src/mesa/swrast
parent3e4669a8f3f61dab54faf1ae8512569bca1e54da (diff)
mesa: Fix A1R5G5B5 packing/unpacking
As with B5G6R5, these have been left broken with comments saying they are. Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa/swrast')
-rw-r--r--src/mesa/swrast/s_texfetch_tmp.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mesa/swrast/s_texfetch_tmp.h b/src/mesa/swrast/s_texfetch_tmp.h
index 23db48d969e..e3a3cfe361a 100644
--- a/src/mesa/swrast/s_texfetch_tmp.h
+++ b/src/mesa/swrast/s_texfetch_tmp.h
@@ -482,10 +482,10 @@ FETCH(A1R5G5B5_UNORM)(const struct swrast_texture_image *texImage,
{
const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */
- texel[RCOMP] = UBYTE_TO_FLOAT( ((s >> 7) & 0xf8) | ((s >> 12) & 0x7) );
- texel[GCOMP] = UBYTE_TO_FLOAT( ((s >> 2) & 0xf8) | ((s >> 7) & 0x7) );
- texel[BCOMP] = UBYTE_TO_FLOAT( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) );
- texel[ACOMP] = UBYTE_TO_FLOAT( ((s >> 15) & 0x01) * 255 );
+ texel[RCOMP] = ((s >> 1) & 0x1f) * (1.0F / 31.0F);
+ texel[GCOMP] = ((s >> 6) & 0x1f) * (1.0F / 31.0F);
+ texel[BCOMP] = ((s >> 11) & 0x1f) * (1.0F / 31.0F);
+ texel[ACOMP] = ((s ) & 0x01) * 1.0F;
}