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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <string>
#include <utility>
#include <vector>
#include <fmt/format.h>
#include "shader_recompiler/backend/glsl/var_alloc.h"
#include "shader_recompiler/stage.h"
namespace Shader {
struct Info;
struct Profile;
struct RuntimeInfo;
} // namespace Shader
namespace Shader::Backend {
struct Bindings;
}
namespace Shader::IR {
class Inst;
struct Program;
} // namespace Shader::IR
namespace Shader::Backend::GLSL {
struct GenericElementInfo {
std::string name;
u32 first_element{};
u32 num_components{};
};
struct TextureImageDefinition {
u32 binding;
u32 count;
};
class EmitContext {
public:
explicit EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
const RuntimeInfo& runtime_info_);
template <GlslVarType type, typename... Args>
void Add(const char* format_str, IR::Inst& inst, Args&&... args) {
const auto var_def{var_alloc.AddDefine(inst, type)};
if (var_def.empty()) {
// skip assigment.
code += fmt::format(fmt::runtime(format_str + 3), std::forward<Args>(args)...);
} else {
code += fmt::format(fmt::runtime(format_str), var_def, std::forward<Args>(args)...);
}
// TODO: Remove this
code += '\n';
}
template <typename... Args>
void AddU1(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::U1>(format_str, inst, args...);
}
template <typename... Args>
void AddF16x2(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::F16x2>(format_str, inst, args...);
}
template <typename... Args>
void AddU32(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::U32>(format_str, inst, args...);
}
template <typename... Args>
void AddF32(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::F32>(format_str, inst, args...);
}
template <typename... Args>
void AddU64(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::U64>(format_str, inst, args...);
}
template <typename... Args>
void AddF64(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::F64>(format_str, inst, args...);
}
template <typename... Args>
void AddU32x2(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::U32x2>(format_str, inst, args...);
}
template <typename... Args>
void AddF32x2(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::F32x2>(format_str, inst, args...);
}
template <typename... Args>
void AddU32x3(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::U32x3>(format_str, inst, args...);
}
template <typename... Args>
void AddF32x3(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::F32x3>(format_str, inst, args...);
}
template <typename... Args>
void AddU32x4(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::U32x4>(format_str, inst, args...);
}
template <typename... Args>
void AddF32x4(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::F32x4>(format_str, inst, args...);
}
template <typename... Args>
void AddPrecF32(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::PrecF32>(format_str, inst, args...);
}
template <typename... Args>
void AddPrecF64(const char* format_str, IR::Inst& inst, Args&&... args) {
Add<GlslVarType::PrecF64>(format_str, inst, args...);
}
template <typename... Args>
void Add(const char* format_str, Args&&... args) {
code += fmt::format(fmt::runtime(format_str), std::forward<Args>(args)...);
// TODO: Remove this
code += '\n';
}
std::string header;
std::string code;
VarAlloc var_alloc;
const Info& info;
const Profile& profile;
const RuntimeInfo& runtime_info;
Stage stage{};
std::string_view stage_name = "invalid";
std::string_view position_name = "gl_Position";
std::vector<TextureImageDefinition> texture_buffers;
std::vector<TextureImageDefinition> image_buffers;
std::vector<TextureImageDefinition> textures;
std::vector<TextureImageDefinition> images;
std::array<std::array<GenericElementInfo, 4>, 32> output_generics{};
u32 num_safety_loop_vars{};
bool uses_y_direction{};
bool uses_cc_carry{};
bool uses_geometry_passthrough{};
private:
void SetupExtensions();
void DefineConstantBuffers(Bindings& bindings);
void DefineConstantBufferIndirect();
void DefineStorageBuffers(Bindings& bindings);
void DefineGenericOutput(size_t index, u32 invocations);
void DefineHelperFunctions();
void DefineConstants();
std::string DefineGlobalMemoryFunctions();
void SetupImages(Bindings& bindings);
void SetupTextures(Bindings& bindings);
};
} // namespace Shader::Backend::GLSL
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