Merge pull request #3278 from ReinUsesLisp/vk-memory-manager
renderer_vulkan: Buffer cache, stream buffer and memory manager changes
This commit is contained in:
bunnei
GitHub
commit
ee9b4a7f9a
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@ -2,124 +2,145 @@
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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 <algorithm>
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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 "common/bit_util.h"
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#include "core/core.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_device.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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namespace {
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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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const auto BufferUsage =
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vk::BufferUsageFlagBits::eVertexBuffer | vk::BufferUsageFlagBits::eIndexBuffer |
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vk::BufferUsageFlagBits::eUniformBuffer | vk::BufferUsageFlagBits::eStorageBuffer;
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const auto UploadPipelineStage =
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vk::PipelineStageFlagBits::eTransfer | vk::PipelineStageFlagBits::eVertexInput |
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vk::PipelineStageFlagBits::eVertexShader | vk::PipelineStageFlagBits::eFragmentShader |
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vk::PipelineStageFlagBits::eComputeShader;
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const auto UploadAccessBarriers =
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vk::AccessFlagBits::eTransferRead | vk::AccessFlagBits::eShaderRead |
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vk::AccessFlagBits::eUniformRead | vk::AccessFlagBits::eVertexAttributeRead |
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vk::AccessFlagBits::eIndexRead;
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auto CreateStreamBuffer(const VKDevice& device, VKScheduler& scheduler) {
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return std::make_unique<VKStreamBuffer>(device, scheduler, BufferUsage);
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}
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} // Anonymous namespace
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CachedBufferBlock::CachedBufferBlock(const VKDevice& device, VKMemoryManager& memory_manager,
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CacheAddr cache_addr, std::size_t size)
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: VideoCommon::BufferBlock{cache_addr, size} {
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const vk::BufferCreateInfo buffer_ci({}, static_cast<vk::DeviceSize>(size),
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BufferUsage | vk::BufferUsageFlagBits::eTransferSrc |
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vk::BufferUsageFlagBits::eTransferDst,
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vk::SharingMode::eExclusive, 0, nullptr);
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const auto& dld{device.GetDispatchLoader()};
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const auto dev{device.GetLogical()};
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buffer.handle = dev.createBufferUnique(buffer_ci, nullptr, dld);
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buffer.commit = memory_manager.Commit(*buffer.handle, false);
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}
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CachedBufferBlock::~CachedBufferBlock() = default;
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VKBufferCache::VKBufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
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const VKDevice& device, VKMemoryManager& memory_manager,
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VKScheduler& scheduler, VKStagingBufferPool& staging_pool)
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: VideoCommon::BufferCache<Buffer, vk::Buffer, VKStreamBuffer>{rasterizer, system,
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CreateStreamBuffer(device,
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scheduler)},
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device{device}, memory_manager{memory_manager}, scheduler{scheduler}, staging_pool{
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staging_pool} {}
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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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Buffer VKBufferCache::CreateBlock(CacheAddr cache_addr, std::size_t size) {
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return std::make_shared<CachedBufferBlock>(device, memory_manager, cache_addr, size);
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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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const vk::Buffer* VKBufferCache::ToHandle(const Buffer& buffer) {
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return buffer->GetHandle();
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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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const vk::Buffer* VKBufferCache::GetEmptyBuffer(std::size_t size) {
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size = std::max(size, std::size_t(4));
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const auto& empty = staging_pool.GetUnusedBuffer(size, false);
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([size, buffer = *empty.handle](vk::CommandBuffer cmdbuf, auto& dld) {
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cmdbuf.fillBuffer(buffer, 0, size, 0, dld);
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});
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return &*empty.handle;
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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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void VKBufferCache::UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
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const u8* data) {
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const auto& staging = staging_pool.GetUnusedBuffer(size, true);
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std::memcpy(staging.commit->Map(size), data, size);
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if (invalidate) {
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InvalidateAll();
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}
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([staging = *staging.handle, buffer = *buffer->GetHandle(), offset,
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size](auto cmdbuf, auto& dld) {
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cmdbuf.copyBuffer(staging, buffer, {{0, offset, size}}, dld);
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cmdbuf.pipelineBarrier(
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vk::PipelineStageFlagBits::eTransfer, UploadPipelineStage, {}, {},
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{vk::BufferMemoryBarrier(vk::AccessFlagBits::eTransferWrite, UploadAccessBarriers,
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VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED, buffer,
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offset, size)},
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{}, dld);
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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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void VKBufferCache::DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
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u8* data) {
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const auto& staging = staging_pool.GetUnusedBuffer(size, true);
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([staging = *staging.handle, buffer = *buffer->GetHandle(), offset,
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size](auto cmdbuf, auto& dld) {
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cmdbuf.pipelineBarrier(
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vk::PipelineStageFlagBits::eVertexShader | vk::PipelineStageFlagBits::eFragmentShader |
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vk::PipelineStageFlagBits::eComputeShader,
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vk::PipelineStageFlagBits::eTransfer, {}, {},
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{vk::BufferMemoryBarrier(vk::AccessFlagBits::eShaderWrite,
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vk::AccessFlagBits::eTransferRead, VK_QUEUE_FAMILY_IGNORED,
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VK_QUEUE_FAMILY_IGNORED, buffer, offset, size)},
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{}, dld);
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cmdbuf.copyBuffer(buffer, staging, {{offset, 0, size}}, dld);
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});
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scheduler.Finish();
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std::memcpy(data, staging.commit->Map(size), size);
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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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void VKBufferCache::CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
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std::size_t dst_offset, std::size_t size) {
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([src_buffer = *src->GetHandle(), dst_buffer = *dst->GetHandle(), src_offset,
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dst_offset, size](auto cmdbuf, auto& dld) {
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cmdbuf.copyBuffer(src_buffer, dst_buffer, {{src_offset, dst_offset, size}}, dld);
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cmdbuf.pipelineBarrier(
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vk::PipelineStageFlagBits::eTransfer, UploadPipelineStage, {}, {},
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{vk::BufferMemoryBarrier(vk::AccessFlagBits::eTransferRead,
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vk::AccessFlagBits::eShaderWrite, VK_QUEUE_FAMILY_IGNORED,
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VK_QUEUE_FAMILY_IGNORED, src_buffer, src_offset, size),
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vk::BufferMemoryBarrier(vk::AccessFlagBits::eTransferWrite, UploadAccessBarriers,
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VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED, dst_buffer,
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dst_offset, size)},
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{}, dld);
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});
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}
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} // namespace Vulkan
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@ -5,105 +5,74 @@
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#pragma once
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#include <memory>
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#include <tuple>
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#include <unordered_map>
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#include <vector>
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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/buffer_cache/buffer_cache.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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#include "video_core/renderer_vulkan/vk_memory_manager.h"
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#include "video_core/renderer_vulkan/vk_resource_manager.h"
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#include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
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#include "video_core/renderer_vulkan/vk_stream_buffer.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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namespace Core {
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class System;
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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 VKScheduler;
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class CachedBufferEntry final : public RasterizerCacheObject {
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class CachedBufferBlock final : public VideoCommon::BufferBlock {
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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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explicit CachedBufferBlock(const VKDevice& device, VKMemoryManager& memory_manager,
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CacheAddr cache_addr, std::size_t size);
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~CachedBufferBlock();
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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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const vk::Buffer* GetHandle() const {
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return &*buffer.handle;
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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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VKBuffer buffer;
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};
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class VKBufferCache final : public RasterizerCache<std::shared_ptr<CachedBufferEntry>> {
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using Buffer = std::shared_ptr<CachedBufferBlock>;
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class VKBufferCache final : public VideoCommon::BufferCache<Buffer, vk::Buffer, VKStreamBuffer> {
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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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explicit VKBufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system,
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const VKDevice& device, VKMemoryManager& memory_manager,
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VKScheduler& scheduler, VKStagingBufferPool& staging_pool);
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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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const vk::Buffer* GetEmptyBuffer(std::size_t size) override;
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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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void WriteBarrier() override {}
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Buffer CreateBlock(CacheAddr cache_addr, std::size_t size) override;
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const vk::Buffer* ToHandle(const Buffer& buffer) override;
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void UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
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const u8* data) override;
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void DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
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u8* data) override;
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void CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
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std::size_t dst_offset, std::size_t size) 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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const VKDevice& device;
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VKMemoryManager& memory_manager;
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VKScheduler& scheduler;
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VKStagingBufferPool& staging_pool;
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};
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} // namespace Vulkan
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@ -6,6 +6,7 @@
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#include <optional>
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#include <tuple>
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#include <vector>
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#include "common/alignment.h"
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#include "common/assert.h"
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#include "common/common_types.h"
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@ -16,34 +17,32 @@
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namespace Vulkan {
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// TODO(Rodrigo): Fine tune this number
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constexpr u64 ALLOC_CHUNK_SIZE = 64 * 1024 * 1024;
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namespace {
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u64 GetAllocationChunkSize(u64 required_size) {
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static constexpr u64 sizes[] = {16ULL << 20, 32ULL << 20, 64ULL << 20, 128ULL << 20};
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auto it = std::lower_bound(std::begin(sizes), std::end(sizes), required_size);
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return it != std::end(sizes) ? *it : Common::AlignUp(required_size, 256ULL << 20);
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}
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} // Anonymous namespace
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class VKMemoryAllocation final {
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public:
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explicit VKMemoryAllocation(const VKDevice& device, vk::DeviceMemory memory,
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vk::MemoryPropertyFlags properties, u64 alloc_size, u32 type)
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: device{device}, memory{memory}, properties{properties}, alloc_size{alloc_size},
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shifted_type{ShiftType(type)}, is_mappable{properties &
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vk::MemoryPropertyFlagBits::eHostVisible} {
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if (is_mappable) {
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const auto dev = device.GetLogical();
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const auto& dld = device.GetDispatchLoader();
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base_address = static_cast<u8*>(dev.mapMemory(memory, 0, alloc_size, {}, dld));
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}
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}
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vk::MemoryPropertyFlags properties, u64 allocation_size, u32 type)
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: device{device}, memory{memory}, properties{properties}, allocation_size{allocation_size},
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shifted_type{ShiftType(type)} {}
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~VKMemoryAllocation() {
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const auto dev = device.GetLogical();
|
||||
const auto& dld = device.GetDispatchLoader();
|
||||
if (is_mappable)
|
||||
dev.unmapMemory(memory, dld);
|
||||
dev.free(memory, nullptr, dld);
|
||||
}
|
||||
|
||||
VKMemoryCommit Commit(vk::DeviceSize commit_size, vk::DeviceSize alignment) {
|
||||
auto found = TryFindFreeSection(free_iterator, alloc_size, static_cast<u64>(commit_size),
|
||||
static_cast<u64>(alignment));
|
||||
auto found = TryFindFreeSection(free_iterator, allocation_size,
|
||||
static_cast<u64>(commit_size), static_cast<u64>(alignment));
|
||||
if (!found) {
|
||||
found = TryFindFreeSection(0, free_iterator, static_cast<u64>(commit_size),
|
||||
static_cast<u64>(alignment));
|
||||
|
|
@ -52,8 +51,7 @@ public:
|
|||
return nullptr;
|
||||
}
|
||||
}
|
||||
u8* address = is_mappable ? base_address + *found : nullptr;
|
||||
auto commit = std::make_unique<VKMemoryCommitImpl>(this, memory, address, *found,
|
||||
auto commit = std::make_unique<VKMemoryCommitImpl>(device, this, memory, *found,
|
||||
*found + commit_size);
|
||||
commits.push_back(commit.get());
|
||||
|
||||
|
|
@ -65,12 +63,10 @@ public:
|
|||
|
||||
void Free(const VKMemoryCommitImpl* commit) {
|
||||
ASSERT(commit);
|
||||
const auto it =
|
||||
std::find_if(commits.begin(), commits.end(),
|
||||
[&](const auto& stored_commit) { return stored_commit == commit; });
|
||||
|
||||
const auto it = std::find(std::begin(commits), std::end(commits), commit);
|
||||
if (it == commits.end()) {
|
||||
LOG_CRITICAL(Render_Vulkan, "Freeing unallocated commit!");
|
||||
UNREACHABLE();
|
||||
UNREACHABLE_MSG("Freeing unallocated commit!");
|
||||
return;
|
||||
}
|
||||
commits.erase(it);
|
||||
|
|
@ -88,11 +84,11 @@ private:
|
|||
}
|
||||
|
||||
/// A memory allocator, it may return a free region between "start" and "end" with the solicited
|
||||
/// requeriments.
|
||||
/// requirements.
|
||||
std::optional<u64> TryFindFreeSection(u64 start, u64 end, u64 size, u64 alignment) const {
|
||||
u64 iterator = start;
|
||||
while (iterator + size < end) {
|
||||
const u64 try_left = Common::AlignUp(iterator, alignment);
|
||||
u64 iterator = Common::AlignUp(start, alignment);
|
||||
while (iterator + size <= end) {
|
||||
const u64 try_left = iterator;
|
||||
const u64 try_right = try_left + size;
|
||||
|
||||
bool overlap = false;
|
||||
|
|
@ -100,7 +96,7 @@ private:
|
|||
const auto [commit_left, commit_right] = commit->interval;
|
||||
if (try_left < commit_right && commit_left < try_right) {
|
||||
// There's an overlap, continue the search where the overlapping commit ends.
|
||||
iterator = commit_right;
|
||||
iterator = Common::AlignUp(commit_right, alignment);
|
||||
overlap = true;
|
||||
break;
|
||||
}
|
||||
|
|
@ -110,6 +106,7 @@ private:
|
|||
return try_left;
|
||||
}
|
||||
}
|
||||
|
||||
// No free regions where found, return an empty optional.
|
||||
return std::nullopt;
|
||||
}
|
||||
|
|
@ -117,12 +114,8 @@ private:
|
|||
const VKDevice& device; ///< Vulkan device.
|
||||
const vk::DeviceMemory memory; ///< Vulkan memory allocation handler.
|
||||
const vk::MemoryPropertyFlags properties; ///< Vulkan properties.
|
||||
const u64 alloc_size; ///< Size of this allocation.
|
||||
const u64 allocation_size; ///< Size of this allocation.
|
||||
const u32 shifted_type; ///< Stored Vulkan type of this allocation, shifted.
|
||||
const bool is_mappable; ///< Whether the allocation is mappable.
|
||||
|
||||
/// Base address of the mapped pointer.
|
||||
u8* base_address{};
|
||||
|
||||
/// Hints where the next free region is likely going to be.
|
||||
u64 free_iterator{};
|
||||
|
|
@ -132,13 +125,15 @@ private:
|
|||
};
|
||||
|
||||
VKMemoryManager::VKMemoryManager(const VKDevice& device)
|
||||
: device{device}, props{device.GetPhysical().getMemoryProperties(device.GetDispatchLoader())},
|
||||
is_memory_unified{GetMemoryUnified(props)} {}
|
||||
: device{device}, properties{device.GetPhysical().getMemoryProperties(
|
||||
device.GetDispatchLoader())},
|
||||
is_memory_unified{GetMemoryUnified(properties)} {}
|
||||
|
||||
VKMemoryManager::~VKMemoryManager() = default;
|
||||
|
||||
VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& reqs, bool host_visible) {
|
||||
ASSERT(reqs.size < ALLOC_CHUNK_SIZE);
|
||||
VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& requirements,
|
||||
bool host_visible) {
|
||||
const u64 chunk_size = GetAllocationChunkSize(requirements.size);
|
||||
|
||||
// When a host visible commit is asked, search for host visible and coherent, otherwise search
|
||||
// for a fast device local type.
|
||||
|
|
@ -147,32 +142,21 @@ VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& reqs, bool
|
|||
? vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent
|
||||
: vk::MemoryPropertyFlagBits::eDeviceLocal;
|
||||
|
||||
const auto TryCommit = [&]() -> VKMemoryCommit {
|
||||
for (auto& alloc : allocs) {
|
||||
if (!alloc->IsCompatible(wanted_properties, reqs.memoryTypeBits))
|
||||
continue;
|
||||
|
||||
if (auto commit = alloc->Commit(reqs.size, reqs.alignment); commit) {
|
||||
return commit;
|
||||
}
|
||||
}
|
||||
return {};
|
||||
};
|
||||
|
||||
if (auto commit = TryCommit(); commit) {
|
||||
if (auto commit = TryAllocCommit(requirements, wanted_properties)) {
|
||||
return commit;
|
||||
}
|
||||
|
||||
// Commit has failed, allocate more memory.
|
||||
if (!AllocMemory(wanted_properties, reqs.memoryTypeBits, ALLOC_CHUNK_SIZE)) {
|
||||
// TODO(Rodrigo): Try to use host memory.
|
||||
LOG_CRITICAL(Render_Vulkan, "Ran out of memory!");
|
||||
UNREACHABLE();
|
||||
if (!AllocMemory(wanted_properties, requirements.memoryTypeBits, chunk_size)) {
|
||||
// TODO(Rodrigo): Handle these situations in some way like flushing to guest memory.
|
||||
// Allocation has failed, panic.
|
||||
UNREACHABLE_MSG("Ran out of VRAM!");
|
||||
return {};
|
||||
}
|
||||
|
||||
// Commit again, this time it won't fail since there's a fresh allocation above. If it does,
|
||||
// there's a bug.
|
||||
auto commit = TryCommit();
|
||||
auto commit = TryAllocCommit(requirements, wanted_properties);
|
||||
ASSERT(commit);
|
||||
return commit;
|
||||
}
|
||||
|
|
@ -180,8 +164,7 @@ VKMemoryCommit VKMemoryManager::Commit(const vk::MemoryRequirements& reqs, bool
|
|||
VKMemoryCommit VKMemoryManager::Commit(vk::Buffer buffer, bool host_visible) {
|
||||
const auto dev = device.GetLogical();
|
||||
const auto& dld = device.GetDispatchLoader();
|
||||
const auto requeriments = dev.getBufferMemoryRequirements(buffer, dld);
|
||||
auto commit = Commit(requeriments, host_visible);
|
||||
auto commit = Commit(dev.getBufferMemoryRequirements(buffer, dld), host_visible);
|
||||
dev.bindBufferMemory(buffer, commit->GetMemory(), commit->GetOffset(), dld);
|
||||
return commit;
|
||||
}
|
||||
|
|
@ -189,25 +172,23 @@ VKMemoryCommit VKMemoryManager::Commit(vk::Buffer buffer, bool host_visible) {
|
|||
VKMemoryCommit VKMemoryManager::Commit(vk::Image image, bool host_visible) {
|
||||
const auto dev = device.GetLogical();
|
||||
const auto& dld = device.GetDispatchLoader();
|
||||
const auto requeriments = dev.getImageMemoryRequirements(image, dld);
|
||||
auto commit = Commit(requeriments, host_visible);
|
||||
auto commit = Commit(dev.getImageMemoryRequirements(image, dld), host_visible);
|
||||
dev.bindImageMemory(image, commit->GetMemory(), commit->GetOffset(), dld);
|
||||
return commit;
|
||||
}
|
||||
|
||||
bool VKMemoryManager::AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32 type_mask,
|
||||
u64 size) {
|
||||
const u32 type = [&]() {
|
||||
for (u32 type_index = 0; type_index < props.memoryTypeCount; ++type_index) {
|
||||
const auto flags = props.memoryTypes[type_index].propertyFlags;
|
||||
const u32 type = [&] {
|
||||
for (u32 type_index = 0; type_index < properties.memoryTypeCount; ++type_index) {
|
||||
const auto flags = properties.memoryTypes[type_index].propertyFlags;
|
||||
if ((type_mask & (1U << type_index)) && (flags & wanted_properties)) {
|
||||
// The type matches in type and in the wanted properties.
|
||||
return type_index;
|
||||
}
|
||||
}
|
||||
LOG_CRITICAL(Render_Vulkan, "Couldn't find a compatible memory type!");
|
||||
UNREACHABLE();
|
||||
return 0u;
|
||||
UNREACHABLE_MSG("Couldn't find a compatible memory type!");
|
||||
return 0U;
|
||||
}();
|
||||
|
||||
const auto dev = device.GetLogical();
|
||||
|
|
@ -216,19 +197,33 @@ bool VKMemoryManager::AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32
|
|||
// Try to allocate found type.
|
||||
const vk::MemoryAllocateInfo memory_ai(size, type);
|
||||
vk::DeviceMemory memory;
|
||||
if (const vk::Result res = dev.allocateMemory(&memory_ai, nullptr, &memory, dld);
|
||||
if (const auto res = dev.allocateMemory(&memory_ai, nullptr, &memory, dld);
|
||||
res != vk::Result::eSuccess) {
|
||||
LOG_CRITICAL(Render_Vulkan, "Device allocation failed with code {}!", vk::to_string(res));
|
||||
return false;
|
||||
}
|
||||
allocs.push_back(
|
||||
allocations.push_back(
|
||||
std::make_unique<VKMemoryAllocation>(device, memory, wanted_properties, size, type));
|
||||
return true;
|
||||
}
|
||||
|
||||
/*static*/ bool VKMemoryManager::GetMemoryUnified(const vk::PhysicalDeviceMemoryProperties& props) {
|
||||
for (u32 heap_index = 0; heap_index < props.memoryHeapCount; ++heap_index) {
|
||||
if (!(props.memoryHeaps[heap_index].flags & vk::MemoryHeapFlagBits::eDeviceLocal)) {
|
||||
VKMemoryCommit VKMemoryManager::TryAllocCommit(const vk::MemoryRequirements& requirements,
|
||||
vk::MemoryPropertyFlags wanted_properties) {
|
||||
for (auto& allocation : allocations) {
|
||||
if (!allocation->IsCompatible(wanted_properties, requirements.memoryTypeBits)) {
|
||||
continue;
|
||||
}
|
||||
if (auto commit = allocation->Commit(requirements.size, requirements.alignment)) {
|
||||
return commit;
|
||||
}
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
/*static*/ bool VKMemoryManager::GetMemoryUnified(
|
||||
const vk::PhysicalDeviceMemoryProperties& properties) {
|
||||
for (u32 heap_index = 0; heap_index < properties.memoryHeapCount; ++heap_index) {
|
||||
if (!(properties.memoryHeaps[heap_index].flags & vk::MemoryHeapFlagBits::eDeviceLocal)) {
|
||||
// Memory is considered unified when heaps are device local only.
|
||||
return false;
|
||||
}
|
||||
|
|
@ -236,17 +231,28 @@ bool VKMemoryManager::AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32
|
|||
return true;
|
||||
}
|
||||
|
||||
VKMemoryCommitImpl::VKMemoryCommitImpl(VKMemoryAllocation* allocation, vk::DeviceMemory memory,
|
||||
u8* data, u64 begin, u64 end)
|
||||
: interval(std::make_pair(begin, end)), memory{memory}, allocation{allocation}, data{data} {}
|
||||
VKMemoryCommitImpl::VKMemoryCommitImpl(const VKDevice& device, VKMemoryAllocation* allocation,
|
||||
vk::DeviceMemory memory, u64 begin, u64 end)
|
||||
: device{device}, interval{begin, end}, memory{memory}, allocation{allocation} {}
|
||||
|
||||
VKMemoryCommitImpl::~VKMemoryCommitImpl() {
|
||||
allocation->Free(this);
|
||||
}
|
||||
|
||||
u8* VKMemoryCommitImpl::GetData() const {
|
||||
ASSERT_MSG(data != nullptr, "Trying to access an unmapped commit.");
|
||||
return data;
|
||||
MemoryMap VKMemoryCommitImpl::Map(u64 size, u64 offset_) const {
|
||||
const auto dev = device.GetLogical();
|
||||
const auto address = reinterpret_cast<u8*>(
|
||||
dev.mapMemory(memory, interval.first + offset_, size, {}, device.GetDispatchLoader()));
|
||||
return MemoryMap{this, address};
|
||||
}
|
||||
|
||||
void VKMemoryCommitImpl::Unmap() const {
|
||||
const auto dev = device.GetLogical();
|
||||
dev.unmapMemory(memory, device.GetDispatchLoader());
|
||||
}
|
||||
|
||||
MemoryMap VKMemoryCommitImpl::Map() const {
|
||||
return Map(interval.second - interval.first);
|
||||
}
|
||||
|
||||
} // namespace Vulkan
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@
|
|||
|
||||
namespace Vulkan {
|
||||
|
||||
class MemoryMap;
|
||||
class VKDevice;
|
||||
class VKMemoryAllocation;
|
||||
class VKMemoryCommitImpl;
|
||||
|
|
@ -21,13 +22,14 @@ using VKMemoryCommit = std::unique_ptr<VKMemoryCommitImpl>;
|
|||
class VKMemoryManager final {
|
||||
public:
|
||||
explicit VKMemoryManager(const VKDevice& device);
|
||||
VKMemoryManager(const VKMemoryManager&) = delete;
|
||||
~VKMemoryManager();
|
||||
|
||||
/**
|
||||
* Commits a memory with the specified requeriments.
|
||||
* @param reqs Requeriments returned from a Vulkan call.
|
||||
* @param requirements Requirements returned from a Vulkan call.
|
||||
* @param host_visible Signals the allocator that it *must* use host visible and coherent
|
||||
* memory. When passing false, it will try to allocate device local memory.
|
||||
* memory. When passing false, it will try to allocate device local memory.
|
||||
* @returns A memory commit.
|
||||
*/
|
||||
VKMemoryCommit Commit(const vk::MemoryRequirements& reqs, bool host_visible);
|
||||
|
|
@ -47,25 +49,35 @@ private:
|
|||
/// Allocates a chunk of memory.
|
||||
bool AllocMemory(vk::MemoryPropertyFlags wanted_properties, u32 type_mask, u64 size);
|
||||
|
||||
/// Returns true if the device uses an unified memory model.
|
||||
static bool GetMemoryUnified(const vk::PhysicalDeviceMemoryProperties& props);
|
||||
/// Tries to allocate a memory commit.
|
||||
VKMemoryCommit TryAllocCommit(const vk::MemoryRequirements& requirements,
|
||||
vk::MemoryPropertyFlags wanted_properties);
|
||||
|
||||
const VKDevice& device; ///< Device handler.
|
||||
const vk::PhysicalDeviceMemoryProperties props; ///< Physical device properties.
|
||||
const bool is_memory_unified; ///< True if memory model is unified.
|
||||
std::vector<std::unique_ptr<VKMemoryAllocation>> allocs; ///< Current allocations.
|
||||
/// Returns true if the device uses an unified memory model.
|
||||
static bool GetMemoryUnified(const vk::PhysicalDeviceMemoryProperties& properties);
|
||||
|
||||
const VKDevice& device; ///< Device handler.
|
||||
const vk::PhysicalDeviceMemoryProperties properties; ///< Physical device properties.
|
||||
const bool is_memory_unified; ///< True if memory model is unified.
|
||||
std::vector<std::unique_ptr<VKMemoryAllocation>> allocations; ///< Current allocations.
|
||||
};
|
||||
|
||||
class VKMemoryCommitImpl final {
|
||||
friend VKMemoryAllocation;
|
||||
friend MemoryMap;
|
||||
|
||||
public:
|
||||
explicit VKMemoryCommitImpl(VKMemoryAllocation* allocation, vk::DeviceMemory memory, u8* data,
|
||||
u64 begin, u64 end);
|
||||
explicit VKMemoryCommitImpl(const VKDevice& device, VKMemoryAllocation* allocation,
|
||||
vk::DeviceMemory memory, u64 begin, u64 end);
|
||||
~VKMemoryCommitImpl();
|
||||
|
||||
/// Returns the writeable memory map. The commit has to be mappable.
|
||||
u8* GetData() const;
|
||||
/// Maps a memory region and returns a pointer to it.
|
||||
/// It's illegal to have more than one memory map at the same time.
|
||||
MemoryMap Map(u64 size, u64 offset = 0) const;
|
||||
|
||||
/// Maps the whole commit and returns a pointer to it.
|
||||
/// It's illegal to have more than one memory map at the same time.
|
||||
MemoryMap Map() const;
|
||||
|
||||
/// Returns the Vulkan memory handler.
|
||||
vk::DeviceMemory GetMemory() const {
|
||||
|
|
@ -78,10 +90,46 @@ public:
|
|||
}
|
||||
|
||||
private:
|
||||
/// Unmaps memory.
|
||||
void Unmap() const;
|
||||
|
||||
const VKDevice& device; ///< Vulkan device.
|
||||
std::pair<u64, u64> interval{}; ///< Interval where the commit exists.
|
||||
vk::DeviceMemory memory; ///< Vulkan device memory handler.
|
||||
VKMemoryAllocation* allocation{}; ///< Pointer to the large memory allocation.
|
||||
u8* data{}; ///< Pointer to the host mapped memory, it has the commit offset included.
|
||||
};
|
||||
|
||||
/// Holds ownership of a memory map.
|
||||
class MemoryMap final {
|
||||
public:
|
||||
explicit MemoryMap(const VKMemoryCommitImpl* commit, u8* address)
|
||||
: commit{commit}, address{address} {}
|
||||
|
||||
~MemoryMap() {
|
||||
if (commit) {
|
||||
commit->Unmap();
|
||||
}
|
||||
}
|
||||
|
||||
/// Prematurely releases the memory map.
|
||||
void Release() {
|
||||
commit->Unmap();
|
||||
commit = nullptr;
|
||||
}
|
||||
|
||||
/// Returns the address of the memory map.
|
||||
u8* GetAddress() const {
|
||||
return address;
|
||||
}
|
||||
|
||||
/// Returns the address of the memory map;
|
||||
operator u8*() const {
|
||||
return address;
|
||||
}
|
||||
|
||||
private:
|
||||
const VKMemoryCommitImpl* commit{}; ///< Mapped memory commit.
|
||||
u8* address{}; ///< Address to the mapped memory.
|
||||
};
|
||||
|
||||
} // namespace Vulkan
|
||||
|
|
|
|||
|
|
@ -3,86 +3,144 @@
|
|||
// Refer to the license.txt file included.
|
||||
|
||||
#include <algorithm>
|
||||
#include <memory>
|
||||
#include <optional>
|
||||
#include <tuple>
|
||||
#include <vector>
|
||||
|
||||
#include "common/alignment.h"
|
||||
#include "common/assert.h"
|
||||
#include "video_core/renderer_vulkan/declarations.h"
|
||||
#include "video_core/renderer_vulkan/vk_device.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_scheduler.h"
|
||||
#include "video_core/renderer_vulkan/vk_stream_buffer.h"
|
||||
|
||||
namespace Vulkan {
|
||||
|
||||
namespace {
|
||||
|
||||
constexpr u64 WATCHES_INITIAL_RESERVE = 0x4000;
|
||||
constexpr u64 WATCHES_RESERVE_CHUNK = 0x1000;
|
||||
|
||||
VKStreamBuffer::VKStreamBuffer(const VKDevice& device, VKMemoryManager& memory_manager,
|
||||
VKScheduler& scheduler, u64 size, vk::BufferUsageFlags usage,
|
||||
vk::AccessFlags access, vk::PipelineStageFlags pipeline_stage)
|
||||
: device{device}, scheduler{scheduler}, buffer_size{size}, access{access}, pipeline_stage{
|
||||
pipeline_stage} {
|
||||
CreateBuffers(memory_manager, usage);
|
||||
ReserveWatches(WATCHES_INITIAL_RESERVE);
|
||||
constexpr u64 STREAM_BUFFER_SIZE = 256 * 1024 * 1024;
|
||||
|
||||
std::optional<u32> FindMemoryType(const VKDevice& device, u32 filter,
|
||||
vk::MemoryPropertyFlags wanted) {
|
||||
const auto properties = device.GetPhysical().getMemoryProperties(device.GetDispatchLoader());
|
||||
for (u32 i = 0; i < properties.memoryTypeCount; i++) {
|
||||
if (!(filter & (1 << i))) {
|
||||
continue;
|
||||
}
|
||||
if ((properties.memoryTypes[i].propertyFlags & wanted) == wanted) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
} // Anonymous namespace
|
||||
|
||||
VKStreamBuffer::VKStreamBuffer(const VKDevice& device, VKScheduler& scheduler,
|
||||
vk::BufferUsageFlags usage)
|
||||
: device{device}, scheduler{scheduler} {
|
||||
CreateBuffers(usage);
|
||||
ReserveWatches(current_watches, WATCHES_INITIAL_RESERVE);
|
||||
ReserveWatches(previous_watches, WATCHES_INITIAL_RESERVE);
|
||||
}
|
||||
|
||||
VKStreamBuffer::~VKStreamBuffer() = default;
|
||||
|
||||
std::tuple<u8*, u64, bool> VKStreamBuffer::Reserve(u64 size) {
|
||||
ASSERT(size <= buffer_size);
|
||||
std::tuple<u8*, u64, bool> VKStreamBuffer::Map(u64 size, u64 alignment) {
|
||||
ASSERT(size <= STREAM_BUFFER_SIZE);
|
||||
mapped_size = size;
|
||||
|
||||
if (offset + size > buffer_size) {
|
||||
// The buffer would overflow, save the amount of used buffers, signal an invalidation and
|
||||
// reset the state.
|
||||
invalidation_mark = used_watches;
|
||||
used_watches = 0;
|
||||
if (alignment > 0) {
|
||||
offset = Common::AlignUp(offset, alignment);
|
||||
}
|
||||
|
||||
WaitPendingOperations(offset);
|
||||
|
||||
bool invalidated = false;
|
||||
if (offset + size > STREAM_BUFFER_SIZE) {
|
||||
// The buffer would overflow, save the amount of used watches and reset the state.
|
||||
invalidation_mark = current_watch_cursor;
|
||||
current_watch_cursor = 0;
|
||||
offset = 0;
|
||||
}
|
||||
|
||||
return {mapped_pointer + offset, offset, invalidation_mark.has_value()};
|
||||
}
|
||||
// Swap watches and reset waiting cursors.
|
||||
std::swap(previous_watches, current_watches);
|
||||
wait_cursor = 0;
|
||||
wait_bound = 0;
|
||||
|
||||
void VKStreamBuffer::Send(u64 size) {
|
||||
ASSERT_MSG(size <= mapped_size, "Reserved size is too small");
|
||||
|
||||
if (invalidation_mark) {
|
||||
// TODO(Rodrigo): Find a better way to invalidate than waiting for all watches to finish.
|
||||
// Ensure that we don't wait for uncommitted fences.
|
||||
scheduler.Flush();
|
||||
std::for_each(watches.begin(), watches.begin() + *invalidation_mark,
|
||||
[&](auto& resource) { resource->Wait(); });
|
||||
invalidation_mark = std::nullopt;
|
||||
|
||||
invalidated = true;
|
||||
}
|
||||
|
||||
if (used_watches + 1 >= watches.size()) {
|
||||
// Ensure that there are enough watches.
|
||||
ReserveWatches(WATCHES_RESERVE_CHUNK);
|
||||
}
|
||||
// Add a watch for this allocation.
|
||||
watches[used_watches++]->Watch(scheduler.GetFence());
|
||||
|
||||
offset += size;
|
||||
}
|
||||
|
||||
void VKStreamBuffer::CreateBuffers(VKMemoryManager& memory_manager, vk::BufferUsageFlags usage) {
|
||||
const vk::BufferCreateInfo buffer_ci({}, buffer_size, usage, vk::SharingMode::eExclusive, 0,
|
||||
nullptr);
|
||||
|
||||
const auto dev = device.GetLogical();
|
||||
const auto& dld = device.GetDispatchLoader();
|
||||
buffer = dev.createBufferUnique(buffer_ci, nullptr, dld);
|
||||
commit = memory_manager.Commit(*buffer, true);
|
||||
mapped_pointer = commit->GetData();
|
||||
const auto pointer = reinterpret_cast<u8*>(dev.mapMemory(*memory, offset, size, {}, dld));
|
||||
return {pointer, offset, invalidated};
|
||||
}
|
||||
|
||||
void VKStreamBuffer::ReserveWatches(std::size_t grow_size) {
|
||||
const std::size_t previous_size = watches.size();
|
||||
watches.resize(previous_size + grow_size);
|
||||
std::generate(watches.begin() + previous_size, watches.end(),
|
||||
[]() { return std::make_unique<VKFenceWatch>(); });
|
||||
void VKStreamBuffer::Unmap(u64 size) {
|
||||
ASSERT_MSG(size <= mapped_size, "Reserved size is too small");
|
||||
|
||||
const auto dev = device.GetLogical();
|
||||
dev.unmapMemory(*memory, device.GetDispatchLoader());
|
||||
|
||||
offset += size;
|
||||
|
||||
if (current_watch_cursor + 1 >= current_watches.size()) {
|
||||
// Ensure that there are enough watches.
|
||||
ReserveWatches(current_watches, WATCHES_RESERVE_CHUNK);
|
||||
}
|
||||
auto& watch = current_watches[current_watch_cursor++];
|
||||
watch.upper_bound = offset;
|
||||
watch.fence.Watch(scheduler.GetFence());
|
||||
}
|
||||
|
||||
void VKStreamBuffer::CreateBuffers(vk::BufferUsageFlags usage) {
|
||||
const vk::BufferCreateInfo buffer_ci({}, STREAM_BUFFER_SIZE, usage, vk::SharingMode::eExclusive,
|
||||
0, nullptr);
|
||||
const auto dev = device.GetLogical();
|
||||
const auto& dld = device.GetDispatchLoader();
|
||||
buffer = dev.createBufferUnique(buffer_ci, nullptr, dld);
|
||||
|
||||
const auto requirements = dev.getBufferMemoryRequirements(*buffer, dld);
|
||||
// Prefer device local host visible allocations (this should hit AMD's pinned memory).
|
||||
auto type = FindMemoryType(device, requirements.memoryTypeBits,
|
||||
vk::MemoryPropertyFlagBits::eHostVisible |
|
||||
vk::MemoryPropertyFlagBits::eHostCoherent |
|
||||
vk::MemoryPropertyFlagBits::eDeviceLocal);
|
||||
if (!type) {
|
||||
// Otherwise search for a host visible allocation.
|
||||
type = FindMemoryType(device, requirements.memoryTypeBits,
|
||||
vk::MemoryPropertyFlagBits::eHostVisible |
|
||||
vk::MemoryPropertyFlagBits::eHostCoherent);
|
||||
ASSERT_MSG(type, "No host visible and coherent memory type found");
|
||||
}
|
||||
const vk::MemoryAllocateInfo alloc_ci(requirements.size, *type);
|
||||
memory = dev.allocateMemoryUnique(alloc_ci, nullptr, dld);
|
||||
|
||||
dev.bindBufferMemory(*buffer, *memory, 0, dld);
|
||||
}
|
||||
|
||||
void VKStreamBuffer::ReserveWatches(std::vector<Watch>& watches, std::size_t grow_size) {
|
||||
watches.resize(watches.size() + grow_size);
|
||||
}
|
||||
|
||||
void VKStreamBuffer::WaitPendingOperations(u64 requested_upper_bound) {
|
||||
if (!invalidation_mark) {
|
||||
return;
|
||||
}
|
||||
while (requested_upper_bound < wait_bound && wait_cursor < *invalidation_mark) {
|
||||
auto& watch = previous_watches[wait_cursor];
|
||||
wait_bound = watch.upper_bound;
|
||||
watch.fence.Wait();
|
||||
++wait_cursor;
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace Vulkan
|
||||
|
|
|
|||
|
|
@ -4,28 +4,24 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include <optional>
|
||||
#include <tuple>
|
||||
#include <vector>
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "video_core/renderer_vulkan/declarations.h"
|
||||
#include "video_core/renderer_vulkan/vk_memory_manager.h"
|
||||
|
||||
namespace Vulkan {
|
||||
|
||||
class VKDevice;
|
||||
class VKFence;
|
||||
class VKFenceWatch;
|
||||
class VKResourceManager;
|
||||
class VKScheduler;
|
||||
|
||||
class VKStreamBuffer {
|
||||
class VKStreamBuffer final {
|
||||
public:
|
||||
explicit VKStreamBuffer(const VKDevice& device, VKMemoryManager& memory_manager,
|
||||
VKScheduler& scheduler, u64 size, vk::BufferUsageFlags usage,
|
||||
vk::AccessFlags access, vk::PipelineStageFlags pipeline_stage);
|
||||
explicit VKStreamBuffer(const VKDevice& device, VKScheduler& scheduler,
|
||||
vk::BufferUsageFlags usage);
|
||||
~VKStreamBuffer();
|
||||
|
||||
/**
|
||||
|
|
@ -34,39 +30,47 @@ public:
|
|||
* @returns A tuple in the following order: Raw memory pointer (with offset added), buffer
|
||||
* offset and a boolean that's true when buffer has been invalidated.
|
||||
*/
|
||||
std::tuple<u8*, u64, bool> Reserve(u64 size);
|
||||
std::tuple<u8*, u64, bool> Map(u64 size, u64 alignment);
|
||||
|
||||
/// Ensures that "size" bytes of memory are available to the GPU, potentially recording a copy.
|
||||
void Send(u64 size);
|
||||
void Unmap(u64 size);
|
||||
|
||||
vk::Buffer GetBuffer() const {
|
||||
vk::Buffer GetHandle() const {
|
||||
return *buffer;
|
||||
}
|
||||
|
||||
private:
|
||||
struct Watch final {
|
||||
VKFenceWatch fence;
|
||||
u64 upper_bound{};
|
||||
};
|
||||
|
||||
/// Creates Vulkan buffer handles committing the required the required memory.
|
||||
void CreateBuffers(VKMemoryManager& memory_manager, vk::BufferUsageFlags usage);
|
||||
void CreateBuffers(vk::BufferUsageFlags usage);
|
||||
|
||||
/// Increases the amount of watches available.
|
||||
void ReserveWatches(std::size_t grow_size);
|
||||
void ReserveWatches(std::vector<Watch>& watches, std::size_t grow_size);
|
||||
|
||||
void WaitPendingOperations(u64 requested_upper_bound);
|
||||
|
||||
const VKDevice& device; ///< Vulkan device manager.
|
||||
VKScheduler& scheduler; ///< Command scheduler.
|
||||
const u64 buffer_size; ///< Total size of the stream buffer.
|
||||
const vk::AccessFlags access; ///< Access usage of this stream buffer.
|
||||
const vk::PipelineStageFlags pipeline_stage; ///< Pipeline usage of this stream buffer.
|
||||
|
||||
UniqueBuffer buffer; ///< Mapped buffer.
|
||||
VKMemoryCommit commit; ///< Memory commit.
|
||||
u8* mapped_pointer{}; ///< Pointer to the host visible commit
|
||||
UniqueBuffer buffer; ///< Mapped buffer.
|
||||
UniqueDeviceMemory memory; ///< Memory allocation.
|
||||
|
||||
u64 offset{}; ///< Buffer iterator.
|
||||
u64 mapped_size{}; ///< Size reserved for the current copy.
|
||||
|
||||
std::vector<std::unique_ptr<VKFenceWatch>> watches; ///< Total watches
|
||||
std::size_t used_watches{}; ///< Count of watches, reset on invalidation.
|
||||
std::optional<std::size_t>
|
||||
invalidation_mark{}; ///< Number of watches used in the current invalidation.
|
||||
std::vector<Watch> current_watches; ///< Watches recorded in the current iteration.
|
||||
std::size_t current_watch_cursor{}; ///< Count of watches, reset on invalidation.
|
||||
std::optional<std::size_t> invalidation_mark; ///< Number of watches used in the previous cycle.
|
||||
|
||||
std::vector<Watch> previous_watches; ///< Watches used in the previous iteration.
|
||||
std::size_t wait_cursor{}; ///< Last watch being waited for completion.
|
||||
u64 wait_bound{}; ///< Highest offset being watched for completion.
|
||||
};
|
||||
|
||||
} // namespace Vulkan
|
||||
|
|
|
|||
Loading…
Reference in New Issue