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-rw-r--r--src/mesa/drivers/dri/r300/r500_fragprog.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c
index 2c18c3f6fda..c7b551d4b89 100644
--- a/src/mesa/drivers/dri/r300/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r500_fragprog.c
@@ -117,8 +117,10 @@ static inline GLuint make_rgb_swizzle(struct prog_src_register src) {
temp = GET_SWZ(src.Swizzle, i);
/* Fix SWIZZLE_ONE */
if (temp == 5) temp++;
- swiz += temp << i*3;
+ swiz |= temp << i*3;
}
+ if (src.NegateBase)
+ swiz |= (R500_SWIZ_MOD_NEG << 10);
return swiz;
}
@@ -126,6 +128,10 @@ static inline GLuint make_alpha_swizzle(struct prog_src_register src) {
GLuint swiz = GET_SWZ(src.Swizzle, 3);
if (swiz == 5) swiz++;
+
+ if (src.NegateBase)
+ swiz |= (R500_SWIZ_MOD_NEG << 4);
+
return swiz;
}