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tgsi_to_nir: add support for TEX_LZ

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Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Marek Olšák 2019-08-01 12:25:12 -04:00
parent 1b881852bc
commit f3f1d0dfd0
1 changed files with 9 additions and 2 deletions
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11
src/gallium/auxiliary/nir/tgsi_to_nir.c
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@ -1380,6 +1380,7 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
samp = 2;
break;
case TGSI_OPCODE_TXL:
case TGSI_OPCODE_TEX_LZ:
op = nir_texop_txl;
num_srcs = 2;
break;
@ -1514,8 +1515,12 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
src_number++;
}
if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TXL) {
instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], W));
if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TXL ||
tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TEX_LZ) {
if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_TEX_LZ)
instr->src[src_number].src = nir_src_for_ssa(nir_imm_int(b, 0));
else
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++;
}
@ -1924,6 +1929,7 @@ static const nir_op op_trans[TGSI_OPCODE_LAST] = {
[TGSI_OPCODE_SLT] = nir_op_slt,
[TGSI_OPCODE_SGE] = nir_op_sge,
[TGSI_OPCODE_MAD] = nir_op_ffma,
[TGSI_OPCODE_TEX_LZ] = 0,
[TGSI_OPCODE_LRP] = 0,
[TGSI_OPCODE_SQRT] = nir_op_fsqrt,
[TGSI_OPCODE_FRC] = nir_op_ffract,
@ -2212,6 +2218,7 @@ ttn_emit_instruction(struct ttn_compile *c)
break;
case TGSI_OPCODE_TEX:
case TGSI_OPCODE_TEX_LZ:
case TGSI_OPCODE_TXP:
case TGSI_OPCODE_TXL:
case TGSI_OPCODE_TXB: