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r300: r500 fragment program fixes

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- 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
This commit is contained in:
Maciej Cencora
2009-06-10 04:09:33 +02:00
parent e21e82f425
commit 34cb4b6be3
1 changed files with 11 additions and 12 deletions
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src/mesa/drivers/dri/r300/r500_fragprog.c
+11 -12
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@@ -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++;
}