yuzu/src/video_core/renderer_vulkan/vk_buffer_cache.h
ReinUsesLisp 090fd3fefa buffer_cache: Return handles instead of pointer to handles
The original idea of returning pointers is that handles can be moved.
The problem is that the implementation didn't take that in mind and made
everything harder to work with. This commit drops pointer to handles and
returns the handles themselves. While it is still true that handles can
be invalidated, this way we get an old handle instead of a dangling
pointer.

This problem can be solved in the future with sparse buffers.
2020-04-16 02:33:34 -03:00

78 lines
2.3 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 <unordered_map>
#include <vector>
#include "common/common_types.h"
#include "video_core/buffer_cache/buffer_cache.h"
#include "video_core/rasterizer_cache.h"
#include "video_core/renderer_vulkan/vk_memory_manager.h"
#include "video_core/renderer_vulkan/vk_resource_manager.h"
#include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
#include "video_core/renderer_vulkan/vk_stream_buffer.h"
#include "video_core/renderer_vulkan/wrapper.h"
namespace Core {
class System;
}
namespace Vulkan {
class VKDevice;
class VKMemoryManager;
class VKScheduler;
class CachedBufferBlock final : public VideoCommon::BufferBlock {
public:
explicit CachedBufferBlock(const VKDevice& device, VKMemoryManager& memory_manager,
VAddr cpu_addr, std::size_t size);
~CachedBufferBlock();
VkBuffer GetHandle() const {
return *buffer.handle;
}
private:
VKBuffer buffer;
};
using Buffer = std::shared_ptr<CachedBufferBlock>;
class VKBufferCache final : public VideoCommon::BufferCache<Buffer, VkBuffer, VKStreamBuffer> {
public:
explicit VKBufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
const VKDevice& device, VKMemoryManager& memory_manager,
VKScheduler& scheduler, VKStagingBufferPool& staging_pool);
~VKBufferCache();
VkBuffer GetEmptyBuffer(std::size_t size) override;
protected:
VkBuffer ToHandle(const Buffer& buffer) override;
void WriteBarrier() override {}
Buffer CreateBlock(VAddr cpu_addr, std::size_t size) override;
void UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
const u8* data) override;
void DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
u8* data) override;
void CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
std::size_t dst_offset, std::size_t size) override;
private:
const VKDevice& device;
VKMemoryManager& memory_manager;
VKScheduler& scheduler;
VKStagingBufferPool& staging_pool;
};
} // namespace Vulkan