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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "video_core/buffer_cache/buffer_cache.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/vulkan_common/vulkan_memory_allocator.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
class Device;
class VKDescriptorPool;
class VKScheduler;
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]] VkBuffer Handle() const noexcept {
return *buffer;
}
operator VkBuffer() const noexcept {
return *buffer;
}
private:
vk::Buffer buffer;
MemoryCommit commit;
};
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_,
VKScheduler& scheduler_, StagingBufferPool& staging_pool_,
VKUpdateDescriptorQueue& update_descriptor_queue_,
VKDescriptorPool& descriptor_pool);
void Finish();
[[nodiscard]] StagingBufferRef UploadStagingBuffer(size_t size);
[[nodiscard]] StagingBufferRef DownloadStagingBuffer(size_t size);
void CopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer,
std::span<const VideoCommon::BufferCopy> copies);
void BindIndexBuffer(PrimitiveTopology topology, IndexFormat index_format, u32 num_indices,
u32 base_vertex, VkBuffer buffer, u32 offset, u32 size);
void BindQuadArrayIndexBuffer(u32 first, u32 count);
void BindVertexBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size, u32 stride);
void BindTransformFeedbackBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size);
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);
}
private:
void BindBuffer(VkBuffer buffer, u32 offset, u32 size) {
update_descriptor_queue.AddBuffer(buffer, offset, size);
}
void ReserveQuadArrayLUT(u32 num_indices, bool wait_for_idle);
void ReserveNullBuffer();
const Device& device;
MemoryAllocator& memory_allocator;
VKScheduler& scheduler;
StagingBufferPool& staging_pool;
VKUpdateDescriptorQueue& update_descriptor_queue;
vk::Buffer quad_array_lut;
MemoryCommit quad_array_lut_commit;
VkIndexType quad_array_lut_index_type{};
u32 current_num_indices = 0;
vk::Buffer null_buffer;
MemoryCommit null_buffer_commit;
Uint8Pass uint8_pass;
QuadIndexedPass quad_index_pass;
};
struct BufferCacheParams {
using Runtime = Vulkan::BufferCacheRuntime;
using Buffer = Vulkan::Buffer;
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;
};
using BufferCache = VideoCommon::BufferCache<BufferCacheParams>;
} // namespace Vulkan
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