From 087c6c2ef1668b264c14c0c43ea7abe681d985cc Mon Sep 17 00:00:00 2001 From: Liam Date: Sun, 25 Sep 2022 02:28:03 -0400 Subject: vulkan: automatically use larger staging buffer sizes when possible --- .../renderer_vulkan/vk_staging_buffer_pool.cpp | 84 +++++++++++++++------- .../renderer_vulkan/vk_staging_buffer_pool.h | 3 + 2 files changed, 60 insertions(+), 27 deletions(-) diff --git a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp index 06f68d09a..7fb256953 100644 --- a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp +++ b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp @@ -26,20 +26,39 @@ using namespace Common::Literals; constexpr VkDeviceSize MAX_ALIGNMENT = 256; // Maximum size to put elements in the stream buffer constexpr VkDeviceSize MAX_STREAM_BUFFER_REQUEST_SIZE = 8_MiB; -// Stream buffer size in bytes -constexpr VkDeviceSize STREAM_BUFFER_SIZE = 128_MiB; -constexpr VkDeviceSize REGION_SIZE = STREAM_BUFFER_SIZE / StagingBufferPool::NUM_SYNCS; constexpr VkMemoryPropertyFlags HOST_FLAGS = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; constexpr VkMemoryPropertyFlags STREAM_FLAGS = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | HOST_FLAGS; -bool IsStreamHeap(VkMemoryHeap heap) noexcept { - return STREAM_BUFFER_SIZE < (heap.size * 2) / 3; +static bool IsStreamHeap(VkMemoryHeap heap, size_t staging_buffer_size) noexcept { + return staging_buffer_size < (heap.size * 2) / 3; +} + +static bool HasLargeDeviceLocalHostVisibleMemory(const VkPhysicalDeviceMemoryProperties& props) { + const auto flags{VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT}; + + for (u32 type_index = 0; type_index < props.memoryTypeCount; ++type_index) { + const auto& memory_type{props.memoryTypes[type_index]}; + + if ((memory_type.propertyFlags & flags) != flags) { + // Memory must be device local and host visible + continue; + } + + const auto& heap{props.memoryHeaps[memory_type.heapIndex]}; + if (heap.size >= 7168_MiB) { + // This is the right type of memory + return true; + } + } + + return false; } std::optional FindMemoryTypeIndex(const VkPhysicalDeviceMemoryProperties& props, u32 type_mask, - VkMemoryPropertyFlags flags) noexcept { + VkMemoryPropertyFlags flags, + size_t staging_buffer_size) noexcept { for (u32 type_index = 0; type_index < props.memoryTypeCount; ++type_index) { if (((type_mask >> type_index) & 1) == 0) { // Memory type is incompatible @@ -50,7 +69,7 @@ std::optional FindMemoryTypeIndex(const VkPhysicalDeviceMemoryProperties& p // Memory type doesn't have the flags we want continue; } - if (!IsStreamHeap(props.memoryHeaps[memory_type.heapIndex])) { + if (!IsStreamHeap(props.memoryHeaps[memory_type.heapIndex], staging_buffer_size)) { // Memory heap is not suitable for streaming continue; } @@ -61,17 +80,17 @@ std::optional FindMemoryTypeIndex(const VkPhysicalDeviceMemoryProperties& p } u32 FindMemoryTypeIndex(const VkPhysicalDeviceMemoryProperties& props, u32 type_mask, - bool try_device_local) { + bool try_device_local, size_t staging_buffer_size) { std::optional type; if (try_device_local) { // Try to find a DEVICE_LOCAL_BIT type, Nvidia and AMD have a dedicated heap for this - type = FindMemoryTypeIndex(props, type_mask, STREAM_FLAGS); + type = FindMemoryTypeIndex(props, type_mask, STREAM_FLAGS, staging_buffer_size); if (type) { return *type; } } // Otherwise try without the DEVICE_LOCAL_BIT - type = FindMemoryTypeIndex(props, type_mask, HOST_FLAGS); + type = FindMemoryTypeIndex(props, type_mask, HOST_FLAGS, staging_buffer_size); if (type) { return *type; } @@ -79,20 +98,32 @@ u32 FindMemoryTypeIndex(const VkPhysicalDeviceMemoryProperties& props, u32 type_ throw vk::Exception(VK_ERROR_OUT_OF_DEVICE_MEMORY); } -size_t Region(size_t iterator) noexcept { - return iterator / REGION_SIZE; +size_t Region(size_t iterator, size_t region_size) noexcept { + return iterator / region_size; } } // Anonymous namespace StagingBufferPool::StagingBufferPool(const Device& device_, MemoryAllocator& memory_allocator_, Scheduler& scheduler_) : device{device_}, memory_allocator{memory_allocator_}, scheduler{scheduler_} { + + const auto memory_properties{device.GetPhysical().GetMemoryProperties().memoryProperties}; + if (HasLargeDeviceLocalHostVisibleMemory(memory_properties)) { + // Possible on many integrated and newer discrete cards + staging_buffer_size = 1_GiB; + } else { + // Well-supported default size used by most Vulkan PC games + staging_buffer_size = 256_MiB; + } + + region_size = staging_buffer_size / StagingBufferPool::NUM_SYNCS; + const vk::Device& dev = device.GetLogical(); stream_buffer = dev.CreateBuffer(VkBufferCreateInfo{ .sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, .pNext = nullptr, .flags = 0, - .size = STREAM_BUFFER_SIZE, + .size = staging_buffer_size, .usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, .sharingMode = VK_SHARING_MODE_EXCLUSIVE, @@ -117,19 +148,18 @@ StagingBufferPool::StagingBufferPool(const Device& device_, MemoryAllocator& mem .image = nullptr, .buffer = *stream_buffer, }; - const auto memory_properties = device.GetPhysical().GetMemoryProperties().memoryProperties; VkMemoryAllocateInfo stream_memory_info{ .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, .pNext = make_dedicated ? &dedicated_info : nullptr, .allocationSize = requirements.size, - .memoryTypeIndex = - FindMemoryTypeIndex(memory_properties, requirements.memoryTypeBits, true), + .memoryTypeIndex = FindMemoryTypeIndex(memory_properties, requirements.memoryTypeBits, true, + staging_buffer_size), }; stream_memory = dev.TryAllocateMemory(stream_memory_info); if (!stream_memory) { LOG_INFO(Render_Vulkan, "Dynamic memory allocation failed, trying with system memory"); - stream_memory_info.memoryTypeIndex = - FindMemoryTypeIndex(memory_properties, requirements.memoryTypeBits, false); + stream_memory_info.memoryTypeIndex = FindMemoryTypeIndex( + memory_properties, requirements.memoryTypeBits, false, staging_buffer_size); stream_memory = dev.AllocateMemory(stream_memory_info); } @@ -137,7 +167,7 @@ StagingBufferPool::StagingBufferPool(const Device& device_, MemoryAllocator& mem stream_memory.SetObjectNameEXT("Stream Buffer Memory"); } stream_buffer.BindMemory(*stream_memory, 0); - stream_pointer = stream_memory.Map(0, STREAM_BUFFER_SIZE); + stream_pointer = stream_memory.Map(0, staging_buffer_size); } StagingBufferPool::~StagingBufferPool() = default; @@ -158,25 +188,25 @@ void StagingBufferPool::TickFrame() { } StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) { - if (AreRegionsActive(Region(free_iterator) + 1, - std::min(Region(iterator + size) + 1, NUM_SYNCS))) { + if (AreRegionsActive(Region(free_iterator, region_size) + 1, + std::min(Region(iterator + size, region_size) + 1, NUM_SYNCS))) { // Avoid waiting for the previous usages to be free return GetStagingBuffer(size, MemoryUsage::Upload); } const u64 current_tick = scheduler.CurrentTick(); - std::fill(sync_ticks.begin() + Region(used_iterator), sync_ticks.begin() + Region(iterator), - current_tick); + std::fill(sync_ticks.begin() + Region(used_iterator, region_size), + sync_ticks.begin() + Region(iterator, region_size), current_tick); used_iterator = iterator; free_iterator = std::max(free_iterator, iterator + size); - if (iterator + size >= STREAM_BUFFER_SIZE) { - std::fill(sync_ticks.begin() + Region(used_iterator), sync_ticks.begin() + NUM_SYNCS, - current_tick); + if (iterator + size >= staging_buffer_size) { + std::fill(sync_ticks.begin() + Region(used_iterator, region_size), + sync_ticks.begin() + NUM_SYNCS, current_tick); used_iterator = 0; iterator = 0; free_iterator = size; - if (AreRegionsActive(0, Region(size) + 1)) { + if (AreRegionsActive(0, Region(size, region_size) + 1)) { // Avoid waiting for the previous usages to be free return GetStagingBuffer(size, MemoryUsage::Upload); } diff --git a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h index 91dc84da8..90c67177f 100644 --- a/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h +++ b/src/video_core/renderer_vulkan/vk_staging_buffer_pool.h @@ -93,6 +93,9 @@ private: size_t free_iterator = 0; std::array sync_ticks{}; + size_t staging_buffer_size = 0; + size_t region_size = 0; + StagingBuffersCache device_local_cache; StagingBuffersCache upload_cache; StagingBuffersCache download_cache; -- cgit v1.2.3