105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
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// Copyright 2018 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 <cmath>
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#include <unordered_map>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "video_core/engines/shader_bytecode.h"
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#include "video_core/shader/shader_ir.h"
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namespace VideoCommon::Shader {
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using Tegra::Shader::Attribute;
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using Tegra::Shader::Instruction;
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using Tegra::Shader::IpaMode;
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using Tegra::Shader::Pred;
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using Tegra::Shader::PredCondition;
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using Tegra::Shader::PredOperation;
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using Tegra::Shader::Register;
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Node ShaderIR::StoreNode(NodeData&& node_data) {
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auto store = std::make_unique<NodeData>(node_data);
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const Node node = store.get();
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stored_nodes.push_back(std::move(store));
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return node;
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}
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Node ShaderIR::Conditional(Node condition, std::vector<Node>&& code) {
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return StoreNode(ConditionalNode(condition, std::move(code)));
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}
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Node ShaderIR::Comment(const std::string& text) {
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return StoreNode(CommentNode(text));
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}
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Node ShaderIR::GetPredicate(u64 pred_, bool negated) {
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const auto pred = static_cast<Pred>(pred_);
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if (pred != Pred::UnusedIndex && pred != Pred::NeverExecute) {
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used_predicates.insert(pred);
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}
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return StoreNode(PredicateNode(pred, negated));
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}
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/*static*/ OperationCode ShaderIR::SignedToUnsignedCode(OperationCode operation_code,
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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::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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case OperationCode::IAbsolute:
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UNREACHABLE_MSG("Can't apply absolute to an unsigned integer");
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}
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UNREACHABLE_MSG("Unknown signed operation with code={}", static_cast<u32>(operation_code));
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}
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} // namespace VideoCommon::Shader
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