[D3D12] DXBC ps_param_gen
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Triang3l
parent
cfef083271
commit
f882743d7f
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@ -473,7 +473,155 @@ void DxbcShaderTranslator::StartPixelShader() {
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}
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}
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// TODO(Triang3l): ps_param_gen.
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// Write screen and point coordinates to the specified interpolator register
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// (ps_param_gen).
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uint32_t param_gen_select_temp = PushSystemTemp();
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uint32_t param_gen_value_temp = PushSystemTemp();
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// Check if they need to be written.
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rdef_constants_used_ |= 1ull << uint32_t(RdefConstantIndex::kSysPixelPosReg);
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ULT) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
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shader_code_.push_back(param_gen_select_temp);
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shader_code_.push_back(EncodeVectorSelectOperand(
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D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER, kSysConst_PixelPosReg_Comp, 3));
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shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kSystemConstants));
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shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
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shader_code_.push_back(kSysConst_PixelPosReg_Vec);
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shader_code_.push_back(
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EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
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shader_code_.push_back(interpolator_count);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IF) |
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ENCODE_D3D10_SB_INSTRUCTION_TEST_BOOLEAN(
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D3D10_SB_INSTRUCTION_TEST_NONZERO) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(3));
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
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shader_code_.push_back(param_gen_select_temp);
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++stat_.instruction_count;
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++stat_.dynamic_flow_control_count;
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// Write VPOS (without supersampling because SSAA is used to fake MSAA, and
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// at integer coordinates rather than half-pixel if needed) to XY.
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rdef_constants_used_ |= 1ull << uint32_t(RdefConstantIndex::kSysSSAAInvScale);
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rdef_constants_used_ |=
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1ull << uint32_t(RdefConstantIndex::kSysPixelHalfPixelOffset);
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAD) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(13));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
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shader_code_.push_back(param_gen_value_temp);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_INPUT, kSwizzleXYZW, 1));
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shader_code_.push_back(kPSInPositionRegister);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
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kSysConst_SSAAInvScale_Comp | ((kSysConst_SSAAInvScale_Comp + 1) << 2),
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3));
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shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kSystemConstants));
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shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
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shader_code_.push_back(kSysConst_SSAAInvScale_Vec);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
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kSysConst_PixelHalfPixelOffset_Comp, 3));
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shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kSystemConstants));
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shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
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shader_code_.push_back(kSysConst_PixelHalfPixelOffset_Vec);
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++stat_.instruction_count;
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++stat_.float_instruction_count;
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// Write point sprite coordinates to ZW.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(5));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1100, 1));
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shader_code_.push_back(param_gen_value_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_INPUT, 0b01000000, 1));
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shader_code_.push_back(kPSInPointParametersRegister);
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++stat_.instruction_count;
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++stat_.mov_instruction_count;
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if (IndexableGPRsUsed()) {
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// Copy the register index to an r# so it can be used for indexable temp
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// addressing.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(8));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
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shader_code_.push_back(param_gen_select_temp);
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shader_code_.push_back(EncodeVectorSelectOperand(
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D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER, kSysConst_PixelPosReg_Comp, 3));
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shader_code_.push_back(uint32_t(RdefConstantBufferIndex::kSystemConstants));
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shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
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shader_code_.push_back(kSysConst_PixelPosReg_Vec);
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++stat_.instruction_count;
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++stat_.mov_instruction_count;
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// Store the value to an x0[xe_pixel_pos_reg].
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
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shader_code_.push_back(EncodeVectorMaskedOperand(
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D3D10_SB_OPERAND_TYPE_INDEXABLE_TEMP, 0b1111, 2,
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D3D10_SB_OPERAND_INDEX_IMMEDIATE32, D3D10_SB_OPERAND_INDEX_RELATIVE));
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shader_code_.push_back(0);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
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shader_code_.push_back(param_gen_select_temp);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(param_gen_value_temp);
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++stat_.instruction_count;
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++stat_.array_instruction_count;
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} else {
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// Store to the needed register using movc.
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for (uint32_t i = 0; i < interpolator_count; ++i) {
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if ((i & 3) == 0) {
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// Get a mask of whether the current register index is the target one.
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shader_code_.push_back(
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ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IEQ) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(12));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1111, 1));
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shader_code_.push_back(param_gen_select_temp);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
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kSysConst_PixelPosReg_Comp, 3));
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shader_code_.push_back(
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uint32_t(RdefConstantBufferIndex::kSystemConstants));
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shader_code_.push_back(uint32_t(CbufferRegister::kSystemConstants));
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shader_code_.push_back(kSysConst_PixelPosReg_Vec);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
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shader_code_.push_back(i);
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shader_code_.push_back(i + 1);
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shader_code_.push_back(i + 2);
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shader_code_.push_back(i + 3);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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}
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1111, 1));
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shader_code_.push_back(i);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, i & 3, 1));
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shader_code_.push_back(param_gen_select_temp);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(param_gen_value_temp);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(i);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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}
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}
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ENDIF) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(1));
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++stat_.instruction_count;
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// Release param_gen_select_temp and param_gen_value_temp.
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PopSystemTemp(2);
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}
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void DxbcShaderTranslator::StartTranslation() {
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