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[D3D12] DXBC logc and reciprocals

This commit is contained in:
Triang3l 2018-09-08 23:06:00 +03:00
parent a6936ab4ce
commit 0a79a36cfa
1 changed files with 137 additions and 1 deletions
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138
src/xenia/gpu/dxbc_shader_translator.cc
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@ -3033,6 +3033,8 @@ void DxbcShaderTranslator::ProcessScalarAluInstruction(
case AluScalarOpcode::kFloors:
case AluScalarOpcode::kExp:
case AluScalarOpcode::kLog:
case AluScalarOpcode::kRcp:
case AluScalarOpcode::kRsq:
case AluScalarOpcode::kSqrt:
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(
@ -3046,7 +3048,141 @@ void DxbcShaderTranslator::ProcessScalarAluInstruction(
++stat_.float_instruction_count;
break;
// TODO(Triang3l): kLogc, kRcpc, kRcpf, kRcp, kRsqc, kRsqf, kRsq.
case AluScalarOpcode::kLogc:
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_LOG) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(3 + operand_lengths[0]));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
UseDxbcSourceOperand(dxbc_operands[0], kSwizzleXYZW, 0);
++stat_.instruction_count;
++stat_.float_instruction_count;
// Clamp -Infinity to -FLT_MAX.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAX) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0xBF7FFFFFu);
++stat_.instruction_count;
++stat_.float_instruction_count;
break;
case AluScalarOpcode::kRcpc:
case AluScalarOpcode::kRsqc:
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(
kCoreOpcodes[uint32_t(instr.scalar_opcode)]) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(3 + operand_lengths[0]));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
UseDxbcSourceOperand(dxbc_operands[0], kSwizzleXYZW, 0);
++stat_.instruction_count;
++stat_.float_instruction_count;
// Clamp -Infinity to -FLT_MAX.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAX) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0xBF7FFFFFu);
++stat_.instruction_count;
++stat_.float_instruction_count;
// Clamp +Infinity to +FLT_MAX.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MIN) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0x7F7FFFFFu);
++stat_.instruction_count;
++stat_.float_instruction_count;
break;
case AluScalarOpcode::kRcpf:
case AluScalarOpcode::kRsqf: {
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(
kCoreOpcodes[uint32_t(instr.scalar_opcode)]) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(3 + operand_lengths[0]));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
UseDxbcSourceOperand(dxbc_operands[0], kSwizzleXYZW, 0);
++stat_.instruction_count;
++stat_.float_instruction_count;
// Change Infinity to positive or negative zero (the sign of zero has
// effect on some instructions, such as rcp itself).
uint32_t isinf_and_sign = PushSystemTemp();
// Separate the value into the magnitude and the sign bit.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_AND) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
shader_code_.push_back(isinf_and_sign);
shader_code_.push_back(
EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(0x7FFFFFFFu);
shader_code_.push_back(0x80000000u);
shader_code_.push_back(0);
shader_code_.push_back(0);
++stat_.instruction_count;
++stat_.uint_instruction_count;
// Check if the magnitude is infinite.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IEQ) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(isinf_and_sign);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(isinf_and_sign);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0x7F800000u);
++stat_.instruction_count;
++stat_.int_instruction_count;
// Zero ps if the magnitude is infinite (the signed zero is already in Y
// of isinf_and_sign).
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(isinf_and_sign);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 1, 1));
shader_code_.push_back(isinf_and_sign);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
++stat_.instruction_count;
++stat_.movc_instruction_count;
// Release isinf_and_sign.
PopSystemTemp();
} break;
case AluScalarOpcode::kMaxAs:
case AluScalarOpcode::kMaxAsf: