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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "video_core/buffer_cache/buffer_cache_base.h"
#include "video_core/buffer_cache/memory_tracker_base.h"
#include "video_core/buffer_cache/usage_tracker.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_vulkan/vk_compute_pass.h"
#include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
#include "video_core/renderer_vulkan/vk_update_descriptor.h"
#include "video_core/surface.h"
#include "video_core/vulkan_common/vulkan_memory_allocator.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
class Device;
class DescriptorPool;
class Scheduler;
struct HostVertexBinding;
class BufferCacheRuntime;
class Buffer : public VideoCommon::BufferBase<VideoCore::RasterizerInterface> {
public:
explicit Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params);
explicit Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rasterizer_,
VAddr cpu_addr_, u64 size_bytes_);
[[nodiscard]] VkBufferView View(u32 offset, u32 size, VideoCore::Surface::PixelFormat format);
[[nodiscard]] VkBuffer Handle() const noexcept {
return *buffer;
}
[[nodiscard]] bool IsRegionUsed(u64 offset, u64 size) const noexcept {
return tracker.IsUsed(offset, size);
}
void MarkUsage(u64 offset, u64 size) noexcept {
tracker.Track(offset, size);
}
void ResetUsageTracking() noexcept {
tracker.Reset();
}
operator VkBuffer() const noexcept {
return *buffer;
}
private:
struct BufferView {
u32 offset;
u32 size;
VideoCore::Surface::PixelFormat format;
vk::BufferView handle;
};
const Device* device{};
vk::Buffer buffer;
std::vector<BufferView> views;
VideoCommon::UsageTracker tracker;
};
class QuadArrayIndexBuffer;
class QuadStripIndexBuffer;
class BufferCacheRuntime {
friend Buffer;
using PrimitiveTopology = Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology;
using IndexFormat = Tegra::Engines::Maxwell3D::Regs::IndexFormat;
public:
explicit BufferCacheRuntime(const Device& device_, MemoryAllocator& memory_manager_,
Scheduler& scheduler_, StagingBufferPool& staging_pool_,
GuestDescriptorQueue& guest_descriptor_queue,
ComputePassDescriptorQueue& compute_pass_descriptor_queue,
DescriptorPool& descriptor_pool);
void TickFrame(VideoCommon::SlotVector<Buffer>& slot_buffers) noexcept;
void Finish();
u64 GetDeviceLocalMemory() const;
u64 GetDeviceMemoryUsage() const;
bool CanReportMemoryUsage() const;
[[nodiscard]] StagingBufferRef UploadStagingBuffer(size_t size);
[[nodiscard]] StagingBufferRef DownloadStagingBuffer(size_t size, bool deferred = false);
bool CanReorderUpload(const Buffer& buffer, std::span<const VideoCommon::BufferCopy> copies);
void FreeDeferredStagingBuffer(StagingBufferRef& ref);
void PreCopyBarrier();
void CopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier,
bool can_reorder_upload = false);
void PostCopyBarrier();
void ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t size, u32 value);
void BindIndexBuffer(PrimitiveTopology topology, IndexFormat index_format, u32 num_indices,
u32 base_vertex, VkBuffer buffer, u32 offset, u32 size);
void BindQuadIndexBuffer(PrimitiveTopology topology, u32 first, u32 count);
void BindVertexBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size, u32 stride);
void BindVertexBuffers(VideoCommon::HostBindings<Buffer>& bindings);
void BindTransformFeedbackBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size);
void BindTransformFeedbackBuffers(VideoCommon::HostBindings<Buffer>& bindings);
std::span<u8> BindMappedUniformBuffer([[maybe_unused]] size_t stage,
[[maybe_unused]] u32 binding_index, u32 size) {
const StagingBufferRef ref = staging_pool.Request(size, MemoryUsage::Upload);
BindBuffer(ref.buffer, static_cast<u32>(ref.offset), size);
return ref.mapped_span;
}
void BindUniformBuffer(VkBuffer buffer, u32 offset, u32 size) {
BindBuffer(buffer, offset, size);
}
void BindStorageBuffer(VkBuffer buffer, u32 offset, u32 size,
[[maybe_unused]] bool is_written) {
BindBuffer(buffer, offset, size);
}
void BindTextureBuffer(Buffer& buffer, u32 offset, u32 size,
VideoCore::Surface::PixelFormat format) {
guest_descriptor_queue.AddTexelBuffer(buffer.View(offset, size, format));
}
private:
void BindBuffer(VkBuffer buffer, u32 offset, u32 size) {
guest_descriptor_queue.AddBuffer(buffer, offset, size);
}
void ReserveNullBuffer();
const Device& device;
MemoryAllocator& memory_allocator;
Scheduler& scheduler;
StagingBufferPool& staging_pool;
GuestDescriptorQueue& guest_descriptor_queue;
std::shared_ptr<QuadArrayIndexBuffer> quad_array_index_buffer;
std::shared_ptr<QuadStripIndexBuffer> quad_strip_index_buffer;
vk::Buffer null_buffer;
std::unique_ptr<Uint8Pass> uint8_pass;
QuadIndexedPass quad_index_pass;
};
struct BufferCacheParams {
using Runtime = Vulkan::BufferCacheRuntime;
using Buffer = Vulkan::Buffer;
using Async_Buffer = Vulkan::StagingBufferRef;
using MemoryTracker = VideoCommon::MemoryTrackerBase<VideoCore::RasterizerInterface>;
static constexpr bool IS_OPENGL = false;
static constexpr bool HAS_PERSISTENT_UNIFORM_BUFFER_BINDINGS = false;
static constexpr bool HAS_FULL_INDEX_AND_PRIMITIVE_SUPPORT = false;
static constexpr bool NEEDS_BIND_UNIFORM_INDEX = false;
static constexpr bool NEEDS_BIND_STORAGE_INDEX = false;
static constexpr bool USE_MEMORY_MAPS = true;
static constexpr bool SEPARATE_IMAGE_BUFFER_BINDINGS = false;
static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = true;
static constexpr bool USE_MEMORY_MAPS_FOR_UPLOADS = true;
};
using BufferCache = VideoCommon::BufferCache<BufferCacheParams>;
} // namespace Vulkan
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