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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <filesystem>
#include <iosfwd>
#include <limits>
#include <memory>
#include <optional>
#include <span>
#include <stop_token>
#include <type_traits>
#include <unordered_map>
#include <vector>
#include "common/common_types.h"
#include "common/unique_function.h"
#include "shader_recompiler/environment.h"
#include "video_core/engines/maxwell_3d.h"
namespace Tegra {
class Memorymanager;
}
namespace VideoCommon {
class GenericEnvironment : public Shader::Environment {
public:
explicit GenericEnvironment() = default;
explicit GenericEnvironment(Tegra::MemoryManager& gpu_memory_, GPUVAddr program_base_,
u32 start_address_);
~GenericEnvironment() override;
[[nodiscard]] u32 TextureBoundBuffer() const final;
[[nodiscard]] u32 LocalMemorySize() const final;
[[nodiscard]] u32 SharedMemorySize() const final;
[[nodiscard]] std::array<u32, 3> WorkgroupSize() const final;
[[nodiscard]] u64 ReadInstruction(u32 address) final;
[[nodiscard]] std::optional<u64> Analyze();
void SetCachedSize(size_t size_bytes);
[[nodiscard]] size_t CachedSize() const noexcept;
[[nodiscard]] size_t ReadSize() const noexcept;
[[nodiscard]] bool CanBeSerialized() const noexcept;
[[nodiscard]] u64 CalculateHash() const;
void Serialize(std::ofstream& file) const;
protected:
std::optional<u64> TryFindSize();
Shader::TextureType ReadTextureTypeImpl(GPUVAddr tic_addr, u32 tic_limit, bool via_header_index,
u32 raw);
Tegra::MemoryManager* gpu_memory{};
GPUVAddr program_base{};
std::vector<u64> code;
std::unordered_map<u32, Shader::TextureType> texture_types;
std::unordered_map<u64, u32> cbuf_values;
u32 local_memory_size{};
u32 texture_bound{};
u32 shared_memory_size{};
std::array<u32, 3> workgroup_size{};
u32 read_lowest = std::numeric_limits<u32>::max();
u32 read_highest = 0;
u32 cached_lowest = std::numeric_limits<u32>::max();
u32 cached_highest = 0;
bool has_unbound_instructions = false;
};
class GraphicsEnvironment final : public GenericEnvironment {
public:
explicit GraphicsEnvironment() = default;
explicit GraphicsEnvironment(Tegra::Engines::Maxwell3D& maxwell3d_,
Tegra::MemoryManager& gpu_memory_,
Tegra::Engines::Maxwell3D::Regs::ShaderProgram program,
GPUVAddr program_base_, u32 start_address_);
~GraphicsEnvironment() override = default;
u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) override;
Shader::TextureType ReadTextureType(u32 handle) override;
private:
Tegra::Engines::Maxwell3D* maxwell3d{};
size_t stage_index{};
};
class ComputeEnvironment final : public GenericEnvironment {
public:
explicit ComputeEnvironment() = default;
explicit ComputeEnvironment(Tegra::Engines::KeplerCompute& kepler_compute_,
Tegra::MemoryManager& gpu_memory_, GPUVAddr program_base_,
u32 start_address_);
~ComputeEnvironment() override = default;
u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) override;
Shader::TextureType ReadTextureType(u32 handle) override;
private:
Tegra::Engines::KeplerCompute* kepler_compute{};
};
class FileEnvironment final : public Shader::Environment {
public:
FileEnvironment() = default;
~FileEnvironment() override = default;
FileEnvironment& operator=(FileEnvironment&&) noexcept = default;
FileEnvironment(FileEnvironment&&) noexcept = default;
FileEnvironment& operator=(const FileEnvironment&) = delete;
FileEnvironment(const FileEnvironment&) = delete;
void Deserialize(std::ifstream& file);
[[nodiscard]] u64 ReadInstruction(u32 address) override;
[[nodiscard]] u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) override;
[[nodiscard]] Shader::TextureType ReadTextureType(u32 handle) override;
[[nodiscard]] u32 LocalMemorySize() const override;
[[nodiscard]] u32 SharedMemorySize() const override;
[[nodiscard]] u32 TextureBoundBuffer() const override;
[[nodiscard]] std::array<u32, 3> WorkgroupSize() const override;
private:
std::unique_ptr<u64[]> code;
std::unordered_map<u32, Shader::TextureType> texture_types;
std::unordered_map<u64, u32> cbuf_values;
std::array<u32, 3> workgroup_size{};
u32 local_memory_size{};
u32 shared_memory_size{};
u32 texture_bound{};
u32 read_lowest{};
u32 read_highest{};
};
void SerializePipeline(std::span<const char> key, std::span<const GenericEnvironment* const> envs,
const std::filesystem::path& filename, u32 cache_version);
template <typename Key, typename Envs>
void SerializePipeline(const Key& key, const Envs& envs, const std::filesystem::path& filename,
u32 cache_version) {
static_assert(std::is_trivially_copyable_v<Key>);
static_assert(std::has_unique_object_representations_v<Key>);
SerializePipeline(std::span(reinterpret_cast<const char*>(&key), sizeof(key)),
std::span(envs.data(), envs.size()), filename, cache_version);
}
void LoadPipelines(
std::stop_token stop_loading, const std::filesystem::path& filename, u32 expected_cache_version,
Common::UniqueFunction<void, std::ifstream&, FileEnvironment> load_compute,
Common::UniqueFunction<void, std::ifstream&, std::vector<FileEnvironment>> load_graphics);
} // namespace VideoCommon
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