99ceb03a1c
This formats all copyright comments according to SPDX formatting guidelines. Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
105 lines
2.4 KiB
C++
105 lines
2.4 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#pragma once
|
|
|
|
#include <bitset>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "common/bit_field.h"
|
|
#include "common/common_types.h"
|
|
|
|
namespace Shader::IR {
|
|
class Inst;
|
|
class Value;
|
|
enum class Type;
|
|
} // namespace Shader::IR
|
|
|
|
namespace Shader::Backend::GLSL {
|
|
enum class GlslVarType : u32 {
|
|
U1,
|
|
F16x2,
|
|
U32,
|
|
F32,
|
|
U64,
|
|
F64,
|
|
U32x2,
|
|
F32x2,
|
|
U32x3,
|
|
F32x3,
|
|
U32x4,
|
|
F32x4,
|
|
PrecF32,
|
|
PrecF64,
|
|
Void,
|
|
};
|
|
|
|
struct Id {
|
|
union {
|
|
u32 raw;
|
|
BitField<0, 1, u32> is_valid;
|
|
BitField<1, 4, GlslVarType> type;
|
|
BitField<6, 26, u32> index;
|
|
};
|
|
|
|
bool operator==(Id rhs) const noexcept {
|
|
return raw == rhs.raw;
|
|
}
|
|
bool operator!=(Id rhs) const noexcept {
|
|
return !operator==(rhs);
|
|
}
|
|
};
|
|
static_assert(sizeof(Id) == sizeof(u32));
|
|
|
|
class VarAlloc {
|
|
public:
|
|
struct UseTracker {
|
|
bool uses_temp{};
|
|
size_t num_used{};
|
|
std::vector<bool> var_use;
|
|
};
|
|
|
|
/// Used for explicit usages of variables, may revert to temporaries
|
|
std::string Define(IR::Inst& inst, GlslVarType type);
|
|
std::string Define(IR::Inst& inst, IR::Type type);
|
|
|
|
/// Used to assign variables used by the IR. May return a blank string if
|
|
/// the instruction's result is unused in the IR.
|
|
std::string AddDefine(IR::Inst& inst, GlslVarType type);
|
|
std::string PhiDefine(IR::Inst& inst, IR::Type type);
|
|
|
|
std::string Consume(const IR::Value& value);
|
|
std::string ConsumeInst(IR::Inst& inst);
|
|
|
|
std::string GetGlslType(GlslVarType type) const;
|
|
std::string GetGlslType(IR::Type type) const;
|
|
|
|
const UseTracker& GetUseTracker(GlslVarType type) const;
|
|
std::string Representation(u32 index, GlslVarType type) const;
|
|
|
|
private:
|
|
GlslVarType RegType(IR::Type type) const;
|
|
Id Alloc(GlslVarType type);
|
|
void Free(Id id);
|
|
UseTracker& GetUseTracker(GlslVarType type);
|
|
std::string Representation(Id id) const;
|
|
|
|
UseTracker var_bool{};
|
|
UseTracker var_f16x2{};
|
|
UseTracker var_u32{};
|
|
UseTracker var_u32x2{};
|
|
UseTracker var_u32x3{};
|
|
UseTracker var_u32x4{};
|
|
UseTracker var_f32{};
|
|
UseTracker var_f32x2{};
|
|
UseTracker var_f32x3{};
|
|
UseTracker var_f32x4{};
|
|
UseTracker var_u64{};
|
|
UseTracker var_f64{};
|
|
UseTracker var_precf32{};
|
|
UseTracker var_precf64{};
|
|
};
|
|
|
|
} // namespace Shader::Backend::GLSL
|