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-rw-r--r--src/mesa/pipe/i915simple/i915_fpc_translate.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/src/mesa/pipe/i915simple/i915_fpc_translate.c b/src/mesa/pipe/i915simple/i915_fpc_translate.c
index cf6a142075..6583cbfa28 100644
--- a/src/mesa/pipe/i915simple/i915_fpc_translate.c
+++ b/src/mesa/pipe/i915simple/i915_fpc_translate.c
@@ -178,11 +178,24 @@ src_vector(struct i915_fp_compile *p,
source->SrcRegister.SwizzleZ,
source->SrcRegister.SwizzleW);
- assert(!source->SrcRegister.Negate);
- assert(!source->SrcRegisterExtSwz.NegateX);
- assert(!source->SrcRegisterExtSwz.NegateY);
- assert(!source->SrcRegisterExtSwz.NegateZ);
- assert(!source->SrcRegisterExtSwz.NegateW);
+ /* There's both negate-all-components and per-component negation.
+ * Try to handle both here.
+ */
+ {
+ int nx = source->SrcRegisterExtSwz.NegateX;
+ int ny = source->SrcRegisterExtSwz.NegateY;
+ int nz = source->SrcRegisterExtSwz.NegateZ;
+ int nw = source->SrcRegisterExtSwz.NegateW;
+ if (source->SrcRegister.Negate) {
+ nx = !nx;
+ ny = !ny;
+ nz = !nz;
+ nw = !nw;
+ }
+ src = negate(src, nx, ny, nz, nw);
+ }
+
+ /* no abs() or post-abs negation */
assert(!source->SrcRegisterExtMod.Absolute);
assert(!source->SrcRegisterExtMod.Negate);