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authorMaciej Cencora <m.cencora@gmail.com>2009-06-10 04:09:33 +0200
committerMaciej Cencora <m.cencora@gmail.com>2009-06-11 23:25:53 +0200
commit34cb4b6be36ccb03b4c0c76ecc3587984dd284dc (patch)
tree498a3a146d447f632bb618ad4f3632b15822784f /src
parente21e82f42549aa78214f3339a13b79791406dde0 (diff)
r300: r500 fragment program fixes
- when rewriting per component negate swizzle, first instruction should get not negated source - KIL instruction ignores swizzles TODO: - tex instructions does not support saturation - tex instructions cannot read from consant memory
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/r300/r500_fragprog.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c
index 8f0b70ad3a..4d58cf2162 100644
--- a/src/mesa/drivers/dri/r300/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r500_fragprog.c
@@ -196,22 +196,20 @@ GLboolean r500FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg)
if (reg.Abs)
return GL_FALSE;
+ if (opcode == OPCODE_KIL && (reg.Swizzle != SWIZZLE_NOOP || reg.Negate != NEGATE_NONE))
+ return GL_FALSE;
+
if (reg.Negate)
reg.Negate ^= NEGATE_XYZW;
- if (opcode == OPCODE_KIL) {
- if (reg.Swizzle != SWIZZLE_NOOP)
- return GL_FALSE;
- } else {
- for(i = 0; i < 4; ++i) {
- GLuint swz = GET_SWZ(reg.Swizzle, i);
- if (swz == SWIZZLE_NIL) {
- reg.Negate &= ~(1 << i);
- continue;
- }
- if (swz >= 4)
- return GL_FALSE;
+ for(i = 0; i < 4; ++i) {
+ GLuint swz = GET_SWZ(reg.Swizzle, i);
+ if (swz == SWIZZLE_NIL) {
+ reg.Negate &= ~(1 << i);
+ continue;
}
+ if (swz >= 4)
+ return GL_FALSE;
}
if (reg.Negate)
@@ -273,6 +271,7 @@ void r500FPBuildSwizzle(struct nqssadce_state *s, struct prog_dst_register dst,
inst->DstReg = dst;
inst->DstReg.WriteMask = negatebase[i];
inst->SrcReg[0] = src;
+ inst->SrcReg[0].Negate = (i == 0) ? NEGATE_NONE : NEGATE_XYZW;
inst++;
s->IP++;
}