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https://git.suyu.dev/suyu/suyu
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vk_buffer_cache: Temporarily remove buffer cache
This is intended for a follow up commit to avoid circular dependencies.
This commit is contained in:
ReinUsesLisp
parent
89fc75d769
commit
85bb6a6f08
2 changed files with 0 additions and 226 deletions
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@ -1,125 +1,3 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <memory>
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#include <optional>
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#include <tuple>
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#include "common/alignment.h"
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#include "common/assert.h"
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#include "core/memory.h"
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#include "video_core/memory_manager.h"
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#include "video_core/renderer_vulkan/declarations.h"
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#include "video_core/renderer_vulkan/vk_buffer_cache.h"
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#include "video_core/renderer_vulkan/vk_scheduler.h"
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#include "video_core/renderer_vulkan/vk_stream_buffer.h"
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namespace Vulkan {
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CachedBufferEntry::CachedBufferEntry(VAddr cpu_addr, std::size_t size, u64 offset,
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std::size_t alignment, u8* host_ptr)
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: RasterizerCacheObject{host_ptr}, cpu_addr{cpu_addr}, size{size}, offset{offset},
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alignment{alignment} {}
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VKBufferCache::VKBufferCache(Tegra::MemoryManager& tegra_memory_manager,
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Memory::Memory& cpu_memory_,
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VideoCore::RasterizerInterface& rasterizer, const VKDevice& device,
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VKMemoryManager& memory_manager, VKScheduler& scheduler, u64 size)
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: RasterizerCache{rasterizer}, tegra_memory_manager{tegra_memory_manager}, cpu_memory{
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cpu_memory_} {
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const auto usage = vk::BufferUsageFlagBits::eVertexBuffer |
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vk::BufferUsageFlagBits::eIndexBuffer |
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vk::BufferUsageFlagBits::eUniformBuffer;
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const auto access = vk::AccessFlagBits::eVertexAttributeRead | vk::AccessFlagBits::eIndexRead |
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vk::AccessFlagBits::eUniformRead;
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stream_buffer =
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std::make_unique<VKStreamBuffer>(device, memory_manager, scheduler, size, usage, access,
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vk::PipelineStageFlagBits::eAllCommands);
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buffer_handle = stream_buffer->GetBuffer();
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}
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VKBufferCache::~VKBufferCache() = default;
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u64 VKBufferCache::UploadMemory(GPUVAddr gpu_addr, std::size_t size, u64 alignment, bool cache) {
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const auto cpu_addr{tegra_memory_manager.GpuToCpuAddress(gpu_addr)};
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ASSERT_MSG(cpu_addr, "Invalid GPU address");
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// Cache management is a big overhead, so only cache entries with a given size.
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// TODO: Figure out which size is the best for given games.
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cache &= size >= 2048;
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u8* const host_ptr{cpu_memory.GetPointer(*cpu_addr)};
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if (cache) {
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const auto entry = TryGet(host_ptr);
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if (entry) {
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if (entry->GetSize() >= size && entry->GetAlignment() == alignment) {
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return entry->GetOffset();
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}
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Unregister(entry);
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}
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}
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AlignBuffer(alignment);
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const u64 uploaded_offset = buffer_offset;
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if (host_ptr == nullptr) {
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return uploaded_offset;
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}
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std::memcpy(buffer_ptr, host_ptr, size);
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buffer_ptr += size;
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buffer_offset += size;
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if (cache) {
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auto entry = std::make_shared<CachedBufferEntry>(*cpu_addr, size, uploaded_offset,
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alignment, host_ptr);
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Register(entry);
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}
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return uploaded_offset;
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}
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u64 VKBufferCache::UploadHostMemory(const u8* raw_pointer, std::size_t size, u64 alignment) {
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AlignBuffer(alignment);
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std::memcpy(buffer_ptr, raw_pointer, size);
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const u64 uploaded_offset = buffer_offset;
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buffer_ptr += size;
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buffer_offset += size;
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return uploaded_offset;
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}
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std::tuple<u8*, u64> VKBufferCache::ReserveMemory(std::size_t size, u64 alignment) {
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AlignBuffer(alignment);
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u8* const uploaded_ptr = buffer_ptr;
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const u64 uploaded_offset = buffer_offset;
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buffer_ptr += size;
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buffer_offset += size;
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return {uploaded_ptr, uploaded_offset};
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}
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void VKBufferCache::Reserve(std::size_t max_size) {
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bool invalidate;
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std::tie(buffer_ptr, buffer_offset_base, invalidate) = stream_buffer->Reserve(max_size);
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buffer_offset = buffer_offset_base;
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if (invalidate) {
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InvalidateAll();
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}
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}
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void VKBufferCache::Send() {
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stream_buffer->Send(buffer_offset - buffer_offset_base);
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}
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void VKBufferCache::AlignBuffer(std::size_t alignment) {
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// Align the offset, not the mapped pointer
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const u64 offset_aligned = Common::AlignUp(buffer_offset, alignment);
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buffer_ptr += offset_aligned - buffer_offset;
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buffer_offset = offset_aligned;
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}
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} // namespace Vulkan
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@ -3,107 +3,3 @@
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <tuple>
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#include "common/common_types.h"
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#include "video_core/gpu.h"
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#include "video_core/rasterizer_cache.h"
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#include "video_core/renderer_vulkan/declarations.h"
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#include "video_core/renderer_vulkan/vk_scheduler.h"
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namespace Memory {
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class Memory;
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}
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namespace Tegra {
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class MemoryManager;
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}
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namespace Vulkan {
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class VKDevice;
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class VKFence;
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class VKMemoryManager;
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class VKStreamBuffer;
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class CachedBufferEntry final : public RasterizerCacheObject {
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public:
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explicit CachedBufferEntry(VAddr cpu_addr, std::size_t size, u64 offset, std::size_t alignment,
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u8* host_ptr);
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VAddr GetCpuAddr() const override {
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return cpu_addr;
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}
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std::size_t GetSizeInBytes() const override {
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return size;
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}
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std::size_t GetSize() const {
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return size;
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}
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u64 GetOffset() const {
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return offset;
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}
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std::size_t GetAlignment() const {
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return alignment;
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}
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private:
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VAddr cpu_addr{};
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std::size_t size{};
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u64 offset{};
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std::size_t alignment{};
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};
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class VKBufferCache final : public RasterizerCache<std::shared_ptr<CachedBufferEntry>> {
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public:
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explicit VKBufferCache(Tegra::MemoryManager& tegra_memory_manager, Memory::Memory& cpu_memory_,
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VideoCore::RasterizerInterface& rasterizer, const VKDevice& device,
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VKMemoryManager& memory_manager, VKScheduler& scheduler, u64 size);
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~VKBufferCache();
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/// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
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/// allocated.
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u64 UploadMemory(GPUVAddr gpu_addr, std::size_t size, u64 alignment = 4, bool cache = true);
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/// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
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u64 UploadHostMemory(const u8* raw_pointer, std::size_t size, u64 alignment = 4);
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/// Reserves memory to be used by host's CPU. Returns mapped address and offset.
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std::tuple<u8*, u64> ReserveMemory(std::size_t size, u64 alignment = 4);
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/// Reserves a region of memory to be used in subsequent upload/reserve operations.
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void Reserve(std::size_t max_size);
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/// Ensures that the set data is sent to the device.
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void Send();
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/// Returns the buffer cache handle.
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vk::Buffer GetBuffer() const {
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return buffer_handle;
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}
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protected:
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// We do not have to flush this cache as things in it are never modified by us.
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void FlushObjectInner(const std::shared_ptr<CachedBufferEntry>& object) override {}
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private:
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void AlignBuffer(std::size_t alignment);
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Tegra::MemoryManager& tegra_memory_manager;
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Memory::Memory& cpu_memory;
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std::unique_ptr<VKStreamBuffer> stream_buffer;
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vk::Buffer buffer_handle;
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u8* buffer_ptr = nullptr;
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u64 buffer_offset = 0;
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u64 buffer_offset_base = 0;
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};
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} // namespace Vulkan
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