diff options
| author | Maciej Cencora <[email protected]> | 2009-06-10 04:09:33 +0200 |
|---|---|---|
| committer | Maciej Cencora <[email protected]> | 2009-06-11 23:25:53 +0200 |
| commit | 34cb4b6be36ccb03b4c0c76ecc3587984dd284dc (patch) | |
| tree | 498a3a146d447f632bb618ad4f3632b15822784f /src/mesa | |
| parent | e21e82f42549aa78214f3339a13b79791406dde0 (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/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.c | 23 |
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 8f0b70ad3a3..4d58cf21622 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++; } |