forked from suyu/suyu
4c36b78567
This PR should heavily reduce memory usage since temporal buffers are no longer stored per Surface but instead managed by the Rasterizer Cache.
104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// Copyright 2019 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
#include <tuple>
|
|
|
|
#include "common/common_types.h"
|
|
#include "video_core/gpu.h"
|
|
#include "video_core/rasterizer_cache.h"
|
|
#include "video_core/renderer_vulkan/declarations.h"
|
|
#include "video_core/renderer_vulkan/vk_scheduler.h"
|
|
|
|
namespace Tegra {
|
|
class MemoryManager;
|
|
}
|
|
|
|
namespace Vulkan {
|
|
|
|
class VKDevice;
|
|
class VKFence;
|
|
class VKMemoryManager;
|
|
class VKStreamBuffer;
|
|
|
|
class CachedBufferEntry final : public RasterizerCacheObject {
|
|
public:
|
|
explicit CachedBufferEntry(VAddr cpu_addr, std::size_t size, u64 offset, std::size_t alignment,
|
|
u8* host_ptr);
|
|
|
|
VAddr GetCpuAddr() const override {
|
|
return cpu_addr;
|
|
}
|
|
|
|
std::size_t GetSizeInBytes() const override {
|
|
return size;
|
|
}
|
|
|
|
std::size_t GetSize() const {
|
|
return size;
|
|
}
|
|
|
|
u64 GetOffset() const {
|
|
return offset;
|
|
}
|
|
|
|
std::size_t GetAlignment() const {
|
|
return alignment;
|
|
}
|
|
|
|
private:
|
|
VAddr cpu_addr{};
|
|
std::size_t size{};
|
|
u64 offset{};
|
|
std::size_t alignment{};
|
|
};
|
|
|
|
class VKBufferCache final : public RasterizerCache<std::shared_ptr<CachedBufferEntry>> {
|
|
public:
|
|
explicit VKBufferCache(Tegra::MemoryManager& tegra_memory_manager,
|
|
VideoCore::RasterizerInterface& rasterizer, const VKDevice& device,
|
|
VKMemoryManager& memory_manager, VKScheduler& scheduler, u64 size);
|
|
~VKBufferCache();
|
|
|
|
/// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
|
|
/// allocated.
|
|
u64 UploadMemory(GPUVAddr gpu_addr, std::size_t size, u64 alignment = 4, bool cache = true);
|
|
|
|
/// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
|
|
u64 UploadHostMemory(const u8* raw_pointer, std::size_t size, u64 alignment = 4);
|
|
|
|
/// Reserves memory to be used by host's CPU. Returns mapped address and offset.
|
|
std::tuple<u8*, u64> ReserveMemory(std::size_t size, u64 alignment = 4);
|
|
|
|
/// Reserves a region of memory to be used in subsequent upload/reserve operations.
|
|
void Reserve(std::size_t max_size);
|
|
|
|
/// Ensures that the set data is sent to the device.
|
|
[[nodiscard]] VKExecutionContext Send(VKExecutionContext exctx);
|
|
|
|
/// Returns the buffer cache handle.
|
|
vk::Buffer GetBuffer() const {
|
|
return buffer_handle;
|
|
}
|
|
|
|
protected:
|
|
// We do not have to flush this cache as things in it are never modified by us.
|
|
void FlushObjectInner(const std::shared_ptr<CachedBufferEntry>& object) override {}
|
|
|
|
private:
|
|
void AlignBuffer(std::size_t alignment);
|
|
|
|
Tegra::MemoryManager& tegra_memory_manager;
|
|
|
|
std::unique_ptr<VKStreamBuffer> stream_buffer;
|
|
vk::Buffer buffer_handle;
|
|
|
|
u8* buffer_ptr = nullptr;
|
|
u64 buffer_offset = 0;
|
|
u64 buffer_offset_base = 0;
|
|
};
|
|
|
|
} // namespace Vulkan
|