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// SPDX-FileCopyrightText: 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <deque>
#include <limits>
#include <mutex>
#include <optional>
#include <unordered_map>
#include <vector>
#include "common/common_types.h"
namespace Tegra {
namespace Engines {
class Maxwell3D;
class KeplerCompute;
} // namespace Engines
class MemoryManager;
namespace Control {
struct ChannelState;
}
} // namespace Tegra
namespace VideoCommon {
class ChannelInfo {
public:
ChannelInfo() = delete;
explicit ChannelInfo(Tegra::Control::ChannelState& state);
ChannelInfo(const ChannelInfo& state) = delete;
ChannelInfo& operator=(const ChannelInfo&) = delete;
Tegra::Engines::Maxwell3D& maxwell3d;
Tegra::Engines::KeplerCompute& kepler_compute;
Tegra::MemoryManager& gpu_memory;
};
template <class P>
class ChannelSetupCaches {
public:
/// Operations for seting the channel of execution.
virtual ~ChannelSetupCaches();
/// Create channel state.
virtual void CreateChannel(Tegra::Control::ChannelState& channel);
/// Bind a channel for execution.
void BindToChannel(s32 id);
/// Erase channel's state.
void EraseChannel(s32 id);
Tegra::MemoryManager* GetFromID(size_t id) const {
std::unique_lock<std::mutex> lk(config_mutex);
const auto ref = address_spaces.find(id);
return ref->second.gpu_memory;
}
std::optional<size_t> getStorageID(size_t id) const {
std::unique_lock<std::mutex> lk(config_mutex);
const auto ref = address_spaces.find(id);
if (ref == address_spaces.end()) {
return std::nullopt;
}
return ref->second.storage_id;
}
protected:
static constexpr size_t UNSET_CHANNEL{std::numeric_limits<size_t>::max()};
P* channel_state;
size_t current_channel_id{UNSET_CHANNEL};
size_t current_address_space{};
Tegra::Engines::Maxwell3D* maxwell3d;
Tegra::Engines::KeplerCompute* kepler_compute;
Tegra::MemoryManager* gpu_memory;
std::deque<P> channel_storage;
std::deque<size_t> free_channel_ids;
std::unordered_map<s32, size_t> channel_map;
std::vector<size_t> active_channel_ids;
struct AddresSpaceRef {
size_t ref_count;
size_t storage_id;
Tegra::MemoryManager* gpu_memory;
};
std::unordered_map<size_t, AddresSpaceRef> address_spaces;
mutable std::mutex config_mutex;
virtual void OnGPUASRegister([[maybe_unused]] size_t map_id) {}
};
} // namespace VideoCommon
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