+ if (inst->Instruction.Opcode == TGSI_OPCODE_LOD) {
+ unsigned char swizzles[4];
+ unsigned chan;
+ swizzles[0] = inst->Src[1].Register.SwizzleX;
+ swizzles[1] = inst->Src[1].Register.SwizzleY;
+ swizzles[2] = inst->Src[1].Register.SwizzleZ;
+ swizzles[3] = inst->Src[1].Register.SwizzleW;
+
+ for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
+ if (inst->Dst[0].Register.WriteMask & (1 << chan)) {
+ if (swizzles[chan] >= 2) {
+ store_dest(mach, &ZeroVec,
+ &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT);
+ } else {
+ store_dest(mach, &r[swizzles[chan]],
+ &inst->Dst[0], inst, chan, TGSI_EXEC_DATA_FLOAT);
+ }
+ }
+ }
+ } else {
+ if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_X) {
+ store_dest(mach, &r[0], &inst->Dst[0], inst, TGSI_CHAN_X,
+ TGSI_EXEC_DATA_FLOAT);
+ }
+ if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_Y) {
+ store_dest(mach, &r[1], &inst->Dst[0], inst, TGSI_CHAN_Y,
+ TGSI_EXEC_DATA_FLOAT);
+ }
+ }