diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_program_alu.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/radeon_program_alu.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_program_alu.c b/src/mesa/drivers/dri/r300/radeon_program_alu.c index 1ef71e7..ebc5c91 100644 --- a/src/mesa/drivers/dri/r300/radeon_program_alu.c +++ b/src/mesa/drivers/dri/r300/radeon_program_alu.c @@ -89,8 +89,9 @@ static void set_swizzle(struct prog_src_register *SrcReg, int coordinate, int sw static void set_negate_base(struct prog_src_register *SrcReg, int coordinate, int negate) { - SrcReg->NegateBase &= ~(1 << coordinate); - SrcReg->NegateBase |= (negate << coordinate); + /* XXX note sure about this negation logic here */ + SrcReg->Negate &= ~(1 << coordinate); + SrcReg->Negate |= (negate << coordinate); } static struct prog_dst_register dstreg(int file, int index) @@ -156,15 +157,14 @@ static struct prog_src_register absolute(struct prog_src_register reg) { struct prog_src_register newreg = reg; newreg.Abs = 1; - newreg.NegateBase = 0; - newreg.NegateAbs = 0; + newreg.Negate = NEGATE_NONE; return newreg; } static struct prog_src_register negate(struct prog_src_register reg) { struct prog_src_register newreg = reg; - newreg.NegateAbs = !newreg.NegateAbs; + newreg.Negate = newreg.Negate ^ NEGATE_XYZW; return newreg; } @@ -189,8 +189,7 @@ static void transform_ABS(struct radeon_transform_context* t, { struct prog_src_register src = inst->SrcReg[0]; src.Abs = 1; - src.NegateBase = 0; - src.NegateAbs = 0; + src.Negate = NEGATE_NONE; emit1(t->Program, OPCODE_MOV, inst->SaturateMode, inst->DstReg, src); } @@ -198,14 +197,13 @@ static void transform_DPH(struct radeon_transform_context* t, struct prog_instruction* inst) { struct prog_src_register src0 = inst->SrcReg[0]; - if (src0.NegateAbs) { + if (src0.Negate) { if (src0.Abs) { int tempreg = radeonFindFreeTemporary(t); emit1(t->Program, OPCODE_MOV, 0, dstreg(PROGRAM_TEMPORARY, tempreg), src0); src0 = srcreg(src0.File, src0.Index); } else { - src0.NegateAbs = 0; - src0.NegateBase ^= NEGATE_XYZW; + src0.Negate ^= NEGATE_XYZW; } } set_swizzle(&src0, 3, SWIZZLE_ONE); @@ -649,7 +647,7 @@ GLboolean radeonTransformDeriv(struct radeon_transform_context* t, B.Swizzle = MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE); - B.NegateBase = NEGATE_XYZW; + B.Negate = NEGATE_XYZW; emit2(t->Program, inst->Opcode, inst->SaturateMode, inst->DstReg, inst->SrcReg[0], B); |