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freedreno/ir3: add TXB2 support 

Handles texture(samplerCubeShadow, bias), part of GLES3 and GL3

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Ilia Mirkin 2014-09-16 19:56:31 -04:00 committed by Rob Clark
parent 9b7961f9a3
commit f6ff4cd517
1 changed files with 14 additions and 4 deletions
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18
src/gallium/drivers/freedreno/ir3/ir3_compiler.c
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@ -1124,6 +1124,7 @@ fill_tex_info(struct ir3_compile_context *ctx,
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_TXB:
case TGSI_OPCODE_TXB2:
case TGSI_OPCODE_TXL:
info->args = 2;
break;
@ -1248,14 +1249,20 @@ trans_samp(const struct instr_translater *t,
{
struct ir3_instruction *instr;
struct tgsi_dst_register *dst = &inst->Dst[0].Register;
struct tgsi_src_register *orig = &inst->Src[0].Register;
struct tgsi_src_register *coord;
struct tgsi_src_register *samp = &inst->Src[1].Register;
struct tgsi_src_register *orig, *coord, *samp;
struct tex_info tinf;
memset(&tinf, 0, sizeof(tinf));
fill_tex_info(ctx, inst, &tinf);
coord = get_tex_coord(ctx, inst, &tinf);
if (inst->Instruction.Opcode == TGSI_OPCODE_TXB2) {
orig = &inst->Src[1].Register;
samp = &inst->Src[2].Register;
} else {
orig = &inst->Src[0].Register;
samp = &inst->Src[1].Register;
}
if (tinf.args > 1 && is_rel_or_const(orig))
orig = get_unconst(ctx, orig);
@ -1268,7 +1275,9 @@ trans_samp(const struct instr_translater *t,
add_dst_reg_wrmask(ctx, instr, dst, 0, dst->WriteMask);
add_src_reg_wrmask(ctx, instr, coord, coord->SwizzleX, tinf.src_wrmask);
if (tinf.args > 1)
if (inst->Instruction.Opcode == TGSI_OPCODE_TXB2)
add_src_reg_wrmask(ctx, instr, orig, orig->SwizzleX, 0x1);
else if (tinf.args > 1)
add_src_reg_wrmask(ctx, instr, orig, orig->SwizzleW, 0x1);
}
@ -2147,6 +2156,7 @@ static const struct instr_translater translaters[TGSI_OPCODE_LAST] = {
INSTR(TEX, trans_samp, .opc = OPC_SAM, .arg = TGSI_OPCODE_TEX),
INSTR(TXP, trans_samp, .opc = OPC_SAM, .arg = TGSI_OPCODE_TXP),
INSTR(TXB, trans_samp, .opc = OPC_SAMB, .arg = TGSI_OPCODE_TXB),
INSTR(TXB2, trans_samp, .opc = OPC_SAMB, .arg = TGSI_OPCODE_TXB2),
INSTR(TXL, trans_samp, .opc = OPC_SAML, .arg = TGSI_OPCODE_TXL),
INSTR(TXQ, trans_txq),
INSTR(DDX, trans_deriv, .opc = OPC_DSX),