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gallium/ttn: fix TXF 

There is a level param stashed away in the .w component of the first
src.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Rob Clark 2015-04-16 15:16:12 -04:00
parent ef7c4f39bf
commit 7a9063e7c7
1 changed files with 7 additions and 1 deletions
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8
src/gallium/auxiliary/nir/tgsi_to_nir.c
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@ -1053,7 +1053,7 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
break;
case TGSI_OPCODE_TXF:
op = nir_texop_txf;
num_srcs = 1;
num_srcs = 2;
break;
case TGSI_OPCODE_TXD:
op = nir_texop_txd;
@ -1138,6 +1138,12 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
src_number++;
}
if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TXF) {
instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], W));
instr->src[src_number].src_type = nir_tex_src_lod;
src_number++;
}
if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TXD) {
instr->src[src_number].src =
nir_src_for_ssa(nir_swizzle(b, src[1], SWIZ(X, Y, Z, W),