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mesa: Fix alpha component in unpack_R8G8B8X8_SRGB.

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The function was using the "X" component as the alpha channel,
rather than setting alpha to 1.0.

Signed-off-by: Richard Sandiford <rsandifo@linux.vnet.ibm.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Richard Sandiford 2014-09-16 16:28:05 +10:00 • committed by Dave Airlie
parent ebcb2ee989
commit 3ff5c6a6c4
1 changed files with 1 additions and 1 deletions
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2
src/mesa/main/format_unpack.c
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@ -2100,7 +2100,7 @@ unpack_R8G8B8X8_SRGB(const void *src, GLfloat dst[][4], GLuint n)
dst[i][RCOMP] = util_format_srgb_8unorm_to_linear_float( (s[i] ) & 0xff );
dst[i][GCOMP] = util_format_srgb_8unorm_to_linear_float( (s[i] >> 8) & 0xff );
dst[i][BCOMP] = util_format_srgb_8unorm_to_linear_float( (s[i] >> 16) & 0xff );
dst[i][ACOMP] = UBYTE_TO_FLOAT( s[i] >> 24 ); /* linear! */
dst[i][ACOMP] = 1.0f;
}
}