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mesa: access pixels as GLushort in unpack_SL8()

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Per the format comments and the texstore code, use a GLushort to access the
pixel.  The code was OK as-is on little endian machines.
This commit is contained in:
Brian Paul 2011-11-28 11:08:01 -07:00
parent 2134d2f35b
commit 25c8a112ab
1 changed files with 3 additions and 3 deletions
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6
src/mesa/main/format_unpack.c
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@ -749,13 +749,13 @@ unpack_SL8(const void *src, GLfloat dst[][4], GLuint n)
static void
unpack_SLA8(const void *src, GLfloat dst[][4], GLuint n)
{
const GLubyte *s = (const GLubyte *) src;
const GLushort *s = (const GLushort *) src;
GLuint i;
for (i = 0; i < n; i++) {
dst[i][RCOMP] =
dst[i][GCOMP] =
dst[i][BCOMP] = nonlinear_to_linear(s[i*2+0]);
dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i*2+1]); /* linear! */
dst[i][BCOMP] = nonlinear_to_linear(s[i] & 0xff);
dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i] >> 8); /* linear! */
}
}