aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/main/pack.c
diff options
context:
space:
mode:
authorJordan Justen <[email protected]>2012-12-30 00:40:00 -0800
committerJordan Justen <[email protected]>2013-01-14 20:52:19 -0800
commit8443b59a5bca9d4e5a2f700fc3e181cf634ff2b7 (patch)
treeb9180cf283afd6972f62f608976397c25fb2a0e6 /src/mesa/main/pack.c
parent80784066cca39ddd79420c32de7770317d56cdf8 (diff)
pack: handle GL_RGB+GL_UNSIGNED_INT_2_10_10_10_REV case
For floats, if GL_RGB is the source, then alpha should be set to 1.0F. Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa/main/pack.c')
-rw-r--r--src/mesa/main/pack.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index 4f0caa7636c..d6a97b35a11 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -3641,7 +3641,11 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
rgba[i][rDst] = ((p ) & 0x3ff) * rs;
rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs;
rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs;
- rgba[i][aDst] = ((p >> 30) ) * as;
+ if (aSrc < 0) {
+ rgba[i][aDst] = 1.0F;
+ } else {
+ rgba[i][aDst] = (p >> 30) * as;
+ }
}
}
else {
@@ -3652,7 +3656,11 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
rgba[i][rDst] = ((p ) & 0x3ff) * rs;
rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs;
rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs;
- rgba[i][aDst] = ((p >> 30) ) * as;
+ if (aSrc < 0) {
+ rgba[i][aDst] = 1.0F;
+ } else {
+ rgba[i][aDst] = (p >> 30) * as;
+ }
}
}
break;