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ttn: add TEX2 support 

This fixes CubeArrayShadow tests (where the shadow comes in via a second
arg to the TEX2 instruction).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Cc: mesa-stable@lists.freedesktop.org
This commit is contained in:
Ilia Mirkin 2015-11-20 16:51:07 -05:00
parent c1babbd85c
commit 4fd24caf92
1 changed files with 11 additions and 3 deletions
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14
src/gallium/auxiliary/nir/tgsi_to_nir.c
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@ -1239,6 +1239,11 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
op = nir_texop_tex;
num_srcs = 1;
break;
case TGSI_OPCODE_TEX2:
op = nir_texop_tex;
num_srcs = 1;
samp = 2;
break;
case TGSI_OPCODE_TXP:
op = nir_texop_tex;
num_srcs = 2;
@ -1394,10 +1399,12 @@ ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
}
if (instr->is_shadow) {
if (instr->coord_components < 3)
instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], Z));
else
if (instr->coord_components == 4)
instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[1], X));
else if (instr->coord_components == 3)
instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], W));
else
instr->src[src_number].src = nir_src_for_ssa(ttn_channel(b, src[0], Z));
instr->src[src_number].src_type = nir_tex_src_comparitor;
src_number++;
@ -1803,6 +1810,7 @@ ttn_emit_instruction(struct ttn_compile *c)
case TGSI_OPCODE_TXL:
case TGSI_OPCODE_TXB:
case TGSI_OPCODE_TXD:
case TGSI_OPCODE_TEX2:
case TGSI_OPCODE_TXL2:
case TGSI_OPCODE_TXB2:
case TGSI_OPCODE_TXQ_LZ: