[D3D12] ROV 7e3 reading
This commit is contained in:
Triang3l
parent
148a713280
commit
518535bbd3
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@ -1311,7 +1311,314 @@ void DxbcShaderTranslator::CompletePixelShader_WriteToROV_LoadColor(
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// Release fixed_temp.
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PopSystemTemp();
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// TODO(Triang3l): Convert from 7e3.
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// ***************************************************************************
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// 7e3 conversion begins here.
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// https://github.com/Microsoft/DirectXTex/blob/master/DirectXTex/DirectXTexConvert.cpp
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// ***************************************************************************
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// Check if the target format is 7e3 and the conversion is needed (this is
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// pretty long, better to branch here).
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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, 2, 1));
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shader_code_.push_back(flags_temp);
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++stat_.instruction_count;
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++stat_.dynamic_flow_control_count;
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uint32_t f10_mantissa_temp = PushSystemTemp();
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uint32_t f10_exponent_temp = PushSystemTemp();
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uint32_t f10_denormalized_temp = PushSystemTemp();
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// Extract the mantissa.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_AND) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_mantissa_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(target_temp);
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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(0x7F);
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shader_code_.push_back(0x7F);
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shader_code_.push_back(0x7F);
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shader_code_.push_back(0x7F);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// Extract the exponent.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_USHR) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_exponent_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(target_temp);
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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(7);
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shader_code_.push_back(7);
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shader_code_.push_back(7);
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shader_code_.push_back(7);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// Normalize the mantissa for denormalized numbers (with zero exponent -
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// exponent can be used for selection in movc).
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// denormalized_temp = firstbithigh(mantissa)
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shader_code_.push_back(
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ENCODE_D3D10_SB_OPCODE_TYPE(D3D11_SB_OPCODE_FIRSTBIT_HI) |
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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, 0b0111, 1));
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shader_code_.push_back(f10_denormalized_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_mantissa_temp);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// denormalized_temp = 7 - firstbithigh(mantissa)
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IADD) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(11));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_denormalized_temp);
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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(7);
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shader_code_.push_back(7);
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shader_code_.push_back(7);
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shader_code_.push_back(7);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1) |
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ENCODE_D3D10_SB_OPERAND_EXTENDED(1));
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shader_code_.push_back(
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ENCODE_D3D10_SB_EXTENDED_OPERAND_MODIFIER(D3D10_SB_OPERAND_MODIFIER_NEG));
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shader_code_.push_back(f10_denormalized_temp);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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// If the number is not denormalized, make
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// `(mantissa << (7 - firstbithigh(mantissa))) & 0x7F`
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// a no-op - zero 7 - firstbithigh(mantissa).
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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(12));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_denormalized_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_exponent_temp);
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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(0);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_denormalized_temp);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// Normalize the mantissa - step 1.
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// mantissa = mantissa << (7 - firstbithigh(mantissa))
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ISHL) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_mantissa_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_mantissa_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_denormalized_temp);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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// Normalize the mantissa - step 2.
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// mantissa = (mantissa << (7 - firstbithigh(mantissa))) & 0x7F
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_AND) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_mantissa_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_mantissa_temp);
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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(0x7F);
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shader_code_.push_back(0x7F);
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shader_code_.push_back(0x7F);
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shader_code_.push_back(0x7F);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// Get the normalized exponent.
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// denormalized_temp = 1 - (7 - firstbithigh(mantissa))
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// If the number is normal, the result will be ignored anyway, so zeroing
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// 7 - firstbithigh(mantissa) will have no effect on this.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IADD) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(11));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_denormalized_temp);
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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(1);
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shader_code_.push_back(1);
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shader_code_.push_back(1);
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shader_code_.push_back(1);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1) |
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ENCODE_D3D10_SB_OPERAND_EXTENDED(1));
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shader_code_.push_back(
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ENCODE_D3D10_SB_EXTENDED_OPERAND_MODIFIER(D3D10_SB_OPERAND_MODIFIER_NEG));
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shader_code_.push_back(f10_denormalized_temp);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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// Overwrite the exponent with the normalized one if needed.
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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, 0b0111, 1));
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shader_code_.push_back(f10_exponent_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_exponent_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_exponent_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_denormalized_temp);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// Bias the exponent.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IADD) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_exponent_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_exponent_temp);
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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(124);
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shader_code_.push_back(124);
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shader_code_.push_back(124);
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shader_code_.push_back(124);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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// If the original number is zero, make the exponent zero (mantissa is already
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// zero in this case).
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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(12));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_exponent_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(target_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_exponent_temp);
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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(0);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// Shift the mantissa into its float32 position.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ISHL) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_mantissa_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_mantissa_temp);
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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(16);
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shader_code_.push_back(16);
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shader_code_.push_back(16);
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shader_code_.push_back(16);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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// Shift the exponent into its float32 position.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ISHL) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(f10_exponent_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_exponent_temp);
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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(23);
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shader_code_.push_back(23);
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shader_code_.push_back(23);
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shader_code_.push_back(23);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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// Combine mantissa and exponent into float32 numbers.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_OR) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(target_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_mantissa_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(f10_exponent_temp);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// Release f10_mantissa_temp, f10_exponent_temp and f10_denormalized_temp.
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PopSystemTemp(3);
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// Convert alpha from fixed-point.
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_UTOF) |
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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, 0b1000, 1));
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shader_code_.push_back(target_temp);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 3, 1));
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shader_code_.push_back(target_temp);
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++stat_.instruction_count;
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++stat_.conversion_instruction_count;
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// 7e3 conversion done.
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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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// ***************************************************************************
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// 7e3 conversion ends here.
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// ***************************************************************************
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// Convert from 16-bit float.
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uint32_t f16_temp = PushSystemTemp();
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