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r600/sfn: Add support for cube_r600 instruction

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Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9302>
This commit is contained in:
Gert Wollny
2020-12-23 22:42:07 +01:00
committed by Marge Bot
parent c3af0c2079
commit 66b67f43c0
2 changed files with 18 additions and 0 deletions
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17
src/gallium/drivers/r600/sfn/sfn_emitaluinstruction.cpp
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@@ -211,6 +211,8 @@ bool EmitAluInstruction::do_emit(nir_instr* ir)
case nir_op_umad24: return emit_alu_op3(instr, op3_muladd_uint24, {0, 1, 2});
case nir_op_umul24: return emit_alu_op2(instr, op2_mul_uint24);
case nir_op_cube_r600: return emit_cube(instr);
default:
return false;
}
@@ -263,6 +265,7 @@ unsigned EmitAluInstruction::num_src_comp(const nir_alu_instr& instr)
case nir_op_b32all_iequal3:
case nir_op_b32any_fnequal3:
case nir_op_b32all_fequal3:
case nir_op_cube_r600:
return 3;
case nir_op_fdot4:
@@ -288,7 +291,21 @@ unsigned EmitAluInstruction::num_src_comp(const nir_alu_instr& instr)
}
}
bool EmitAluInstruction::emit_cube(const nir_alu_instr& instr)
{
AluInstruction *ir = nullptr;
const uint16_t src0_chan[4] = {2, 2, 0, 1};
const uint16_t src1_chan[4] = {1, 0, 2, 2};
for (int i = 0; i < 4; ++i) {
ir = new AluInstruction(op2_cube, from_nir(instr.dest, i),
from_nir(instr.src[0], src0_chan[i]),
from_nir(instr.src[0], src1_chan[i]), {alu_write});
emit_instruction(ir);
}
ir->set_flag(alu_last_instr);
return true;
}
void EmitAluInstruction::split_constants(const nir_alu_instr& instr, unsigned nsrc_comp)
{

1
src/gallium/drivers/r600/sfn/sfn_emitaluinstruction.h
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@@ -99,6 +99,7 @@ private:
bool emit_unpack_32_2x16_split_x(const nir_alu_instr& instr);
bool emit_pack_32_2x16_split(const nir_alu_instr& instr);
bool emit_cube(const nir_alu_instr& instr);
private:
void make_last(AluInstruction *ir) const;
void split_alu_modifiers(const nir_alu_src &src, const GPRVector::Values& v,