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[D3D12] DXBC muls_prev2

This commit is contained in:
Triang3l 2018-09-09 00:16:04 +03:00
parent 0a79a36cfa
commit 01bbba32cb
1 changed files with 122 additions and 5 deletions
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127
src/xenia/gpu/dxbc_shader_translator.cc
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@ -2987,7 +2987,125 @@ void DxbcShaderTranslator::ProcessScalarAluInstruction(
++stat_.float_instruction_count;
break;
// TODO(Triang3l): kMulsPrev2.
case AluScalarOpcode::kMulsPrev2: {
// Implemented like MUL_LIT in the R600 ISA documentation, where src0 is
// src0.x, src1 is ps, and src2 is src0.y.
// Check if -FLT_MAX needs to be written - if any of the following
// checks pass.
uint32_t minus_max_mask = PushSystemTemp();
// ps == -FLT_MAX || ps == -Infinity (as ps <= -FLT_MAX)
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_GE) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(minus_max_mask);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0xFF7FFFFFu);
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_.float_instruction_count;
// isnan(ps)
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_NE) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0010, 1));
shader_code_.push_back(minus_max_mask);
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(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(system_temp_ps_pc_p0_a0_);
++stat_.instruction_count;
++stat_.float_instruction_count;
// src0.y <= 0.0
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_GE) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(
5 + operand_lengths[0]));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0100, 1));
shader_code_.push_back(minus_max_mask);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0);
UseDxbcSourceOperand(dxbc_operands[0], kSwizzleXYZW, 1);
++stat_.instruction_count;
++stat_.float_instruction_count;
// isnan(src0.y)
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_NE) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(
3 + 2 * operand_lengths[0]));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
shader_code_.push_back(minus_max_mask);
UseDxbcSourceOperand(dxbc_operands[0], kSwizzleXYZW, 1);
UseDxbcSourceOperand(dxbc_operands[0], kSwizzleXYZW, 1);
++stat_.instruction_count;
++stat_.float_instruction_count;
// minus_max_mask = any(minus_max_mask)
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_OR) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
shader_code_.push_back(minus_max_mask);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(minus_max_mask);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, 0b01001110, 1));
shader_code_.push_back(minus_max_mask);
++stat_.instruction_count;
++stat_.uint_instruction_count;
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_OR) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
shader_code_.push_back(minus_max_mask);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
shader_code_.push_back(minus_max_mask);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 1, 1));
shader_code_.push_back(minus_max_mask);
++stat_.instruction_count;
++stat_.uint_instruction_count;
// Calculate the product for the regular path of the instruction.
// ps = src0.x * ps
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MUL) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(
5 + 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);
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_.float_instruction_count;
// Write -FLT_MAX if needed.
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(minus_max_mask);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0xFF7FFFFFu);
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 minus_max_mask.
PopSystemTemp();
} break;
case AluScalarOpcode::kSeqs:
case AluScalarOpcode::kSgts:
@ -3069,7 +3187,7 @@ void DxbcShaderTranslator::ProcessScalarAluInstruction(
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);
shader_code_.push_back(0xFF7FFFFFu);
++stat_.instruction_count;
++stat_.float_instruction_count;
break;
@ -3097,7 +3215,7 @@ void DxbcShaderTranslator::ProcessScalarAluInstruction(
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);
shader_code_.push_back(0xFF7FFFFFu);
++stat_.instruction_count;
++stat_.float_instruction_count;
// Clamp +Infinity to +FLT_MAX.
@ -3621,10 +3739,9 @@ void DxbcShaderTranslator::ProcessScalarAluInstruction(
} break;
default:
// TODO(Triang3l): Enable this assert when all instruction are added.
// May be retain_prev, in this case the current ps should be written, or
// something invalid that's better to ignore.
// assert_true(instr.scalar_opcode == AluScalarOpcode::kRetainPrev);
assert_true(instr.scalar_opcode == AluScalarOpcode::kRetainPrev);
break;
}