bebbdc2067
These are std::shared_ptr instances underneath the hood, which means copying them isn't as cheap as a regular pointer. Particularly so on weakly-ordered systems. This avoids atomic reference count increments and decrements where they aren't necessary for the core set of operations.
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <vector>
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#include "common/common_types.h"
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#include "video_core/shader/node_helper.h"
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#include "video_core/shader/shader_ir.h"
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namespace VideoCommon::Shader {
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Node Conditional(Node condition, std::vector<Node> code) {
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return MakeNode<ConditionalNode>(std::move(condition), std::move(code));
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}
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Node Comment(std::string text) {
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return MakeNode<CommentNode>(std::move(text));
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}
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Node Immediate(u32 value) {
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return MakeNode<ImmediateNode>(value);
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}
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Node Immediate(s32 value) {
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return Immediate(static_cast<u32>(value));
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}
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Node Immediate(f32 value) {
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u32 integral;
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std::memcpy(&integral, &value, sizeof(u32));
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return Immediate(integral);
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}
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OperationCode SignedToUnsignedCode(OperationCode operation_code, bool is_signed) {
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if (is_signed) {
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return operation_code;
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}
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switch (operation_code) {
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case OperationCode::FCastInteger:
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return OperationCode::FCastUInteger;
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case OperationCode::IAdd:
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return OperationCode::UAdd;
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case OperationCode::IMul:
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return OperationCode::UMul;
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case OperationCode::IDiv:
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return OperationCode::UDiv;
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case OperationCode::IMin:
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return OperationCode::UMin;
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case OperationCode::IMax:
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return OperationCode::UMax;
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case OperationCode::ICastFloat:
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return OperationCode::UCastFloat;
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case OperationCode::ICastUnsigned:
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return OperationCode::UCastSigned;
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case OperationCode::ILogicalShiftLeft:
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return OperationCode::ULogicalShiftLeft;
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case OperationCode::ILogicalShiftRight:
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return OperationCode::ULogicalShiftRight;
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case OperationCode::IArithmeticShiftRight:
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return OperationCode::UArithmeticShiftRight;
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case OperationCode::IBitwiseAnd:
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return OperationCode::UBitwiseAnd;
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case OperationCode::IBitwiseOr:
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return OperationCode::UBitwiseOr;
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case OperationCode::IBitwiseXor:
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return OperationCode::UBitwiseXor;
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case OperationCode::IBitwiseNot:
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return OperationCode::UBitwiseNot;
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case OperationCode::IBitfieldInsert:
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return OperationCode::UBitfieldInsert;
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case OperationCode::IBitCount:
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return OperationCode::UBitCount;
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case OperationCode::LogicalILessThan:
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return OperationCode::LogicalULessThan;
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case OperationCode::LogicalIEqual:
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return OperationCode::LogicalUEqual;
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case OperationCode::LogicalILessEqual:
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return OperationCode::LogicalULessEqual;
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case OperationCode::LogicalIGreaterThan:
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return OperationCode::LogicalUGreaterThan;
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case OperationCode::LogicalINotEqual:
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return OperationCode::LogicalUNotEqual;
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case OperationCode::LogicalIGreaterEqual:
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return OperationCode::LogicalUGreaterEqual;
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case OperationCode::INegate:
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UNREACHABLE_MSG("Can't negate an unsigned integer");
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return {};
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case OperationCode::IAbsolute:
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UNREACHABLE_MSG("Can't apply absolute to an unsigned integer");
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return {};
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default:
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UNREACHABLE_MSG("Unknown signed operation with code={}", static_cast<u32>(operation_code));
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return {};
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}
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}
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} // namespace VideoCommon::Shader
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