diff options
| -rw-r--r-- | src/video_core/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/video_core/renderer_vulkan/vk_descriptor_pool.cpp | 89 | ||||
| -rw-r--r-- | src/video_core/renderer_vulkan/vk_descriptor_pool.h | 56 |
3 files changed, 147 insertions, 0 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt index 2594cd0bd..13f9848bc 100644 --- a/src/video_core/CMakeLists.txt +++ b/src/video_core/CMakeLists.txt @@ -157,6 +157,8 @@ if (ENABLE_VULKAN) renderer_vulkan/maxwell_to_vk.h renderer_vulkan/vk_buffer_cache.cpp renderer_vulkan/vk_buffer_cache.h + renderer_vulkan/vk_descriptor_pool.cpp + renderer_vulkan/vk_descriptor_pool.h renderer_vulkan/vk_device.cpp renderer_vulkan/vk_device.h renderer_vulkan/vk_image.cpp diff --git a/src/video_core/renderer_vulkan/vk_descriptor_pool.cpp b/src/video_core/renderer_vulkan/vk_descriptor_pool.cpp new file mode 100644 index 000000000..7e6e4ccb7 --- /dev/null +++ b/src/video_core/renderer_vulkan/vk_descriptor_pool.cpp @@ -0,0 +1,89 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <memory> +#include <vector> + +#include "common/common_types.h" +#include "video_core/renderer_vulkan/declarations.h" +#include "video_core/renderer_vulkan/vk_descriptor_pool.h" +#include "video_core/renderer_vulkan/vk_device.h" +#include "video_core/renderer_vulkan/vk_resource_manager.h" + +namespace Vulkan { + +// Prefer small grow rates to avoid saturating the descriptor pool with barely used pipelines. +static constexpr std::size_t SETS_GROW_RATE = 0x20; + +DescriptorAllocator::DescriptorAllocator(VKDescriptorPool& descriptor_pool, + vk::DescriptorSetLayout layout) + : VKFencedPool{SETS_GROW_RATE}, descriptor_pool{descriptor_pool}, layout{layout} {} + +DescriptorAllocator::~DescriptorAllocator() = default; + +vk::DescriptorSet DescriptorAllocator::Commit(VKFence& fence) { + return *descriptors[CommitResource(fence)]; +} + +void DescriptorAllocator::Allocate(std::size_t begin, std::size_t end) { + auto new_sets = descriptor_pool.AllocateDescriptors(layout, end - begin); + descriptors.insert(descriptors.end(), std::make_move_iterator(new_sets.begin()), + std::make_move_iterator(new_sets.end())); +} + +VKDescriptorPool::VKDescriptorPool(const VKDevice& device) + : device{device}, active_pool{AllocateNewPool()} {} + +VKDescriptorPool::~VKDescriptorPool() = default; + +vk::DescriptorPool VKDescriptorPool::AllocateNewPool() { + static constexpr u32 num_sets = 0x20000; + static constexpr vk::DescriptorPoolSize pool_sizes[] = { + {vk::DescriptorType::eUniformBuffer, num_sets * 90}, + {vk::DescriptorType::eStorageBuffer, num_sets * 60}, + {vk::DescriptorType::eUniformTexelBuffer, num_sets * 64}, + {vk::DescriptorType::eCombinedImageSampler, num_sets * 64}, + {vk::DescriptorType::eStorageImage, num_sets * 40}}; + + const vk::DescriptorPoolCreateInfo create_info( + vk::DescriptorPoolCreateFlagBits::eFreeDescriptorSet, num_sets, + static_cast<u32>(std::size(pool_sizes)), std::data(pool_sizes)); + const auto dev = device.GetLogical(); + return *pools.emplace_back( + dev.createDescriptorPoolUnique(create_info, nullptr, device.GetDispatchLoader())); +} + +std::vector<UniqueDescriptorSet> VKDescriptorPool::AllocateDescriptors( + vk::DescriptorSetLayout layout, std::size_t count) { + std::vector layout_copies(count, layout); + vk::DescriptorSetAllocateInfo allocate_info(active_pool, static_cast<u32>(count), + layout_copies.data()); + + std::vector<vk::DescriptorSet> sets(count); + const auto dev = device.GetLogical(); + const auto& dld = device.GetDispatchLoader(); + switch (const auto result = dev.allocateDescriptorSets(&allocate_info, sets.data(), dld)) { + case vk::Result::eSuccess: + break; + case vk::Result::eErrorOutOfPoolMemory: + active_pool = AllocateNewPool(); + allocate_info.descriptorPool = active_pool; + if (dev.allocateDescriptorSets(&allocate_info, sets.data(), dld) == vk::Result::eSuccess) { + break; + } + [[fallthrough]]; + default: + vk::throwResultException(result, "vk::Device::allocateDescriptorSetsUnique"); + } + + vk::PoolFree deleter(dev, active_pool, dld); + std::vector<UniqueDescriptorSet> unique_sets; + unique_sets.reserve(count); + for (const auto set : sets) { + unique_sets.push_back(UniqueDescriptorSet{set, deleter}); + } + return unique_sets; +} + +} // namespace Vulkan diff --git a/src/video_core/renderer_vulkan/vk_descriptor_pool.h b/src/video_core/renderer_vulkan/vk_descriptor_pool.h new file mode 100644 index 000000000..a441dbc0f --- /dev/null +++ b/src/video_core/renderer_vulkan/vk_descriptor_pool.h @@ -0,0 +1,56 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <memory> +#include <vector> + +#include "common/common_types.h" +#include "video_core/renderer_vulkan/declarations.h" +#include "video_core/renderer_vulkan/vk_resource_manager.h" + +namespace Vulkan { + +class VKDescriptorPool; + +class DescriptorAllocator final : public VKFencedPool { +public: + explicit DescriptorAllocator(VKDescriptorPool& descriptor_pool, vk::DescriptorSetLayout layout); + ~DescriptorAllocator() override; + + DescriptorAllocator(const DescriptorAllocator&) = delete; + + vk::DescriptorSet Commit(VKFence& fence); + +protected: + void Allocate(std::size_t begin, std::size_t end) override; + +private: + VKDescriptorPool& descriptor_pool; + const vk::DescriptorSetLayout layout; + + std::vector<UniqueDescriptorSet> descriptors; +}; + +class VKDescriptorPool final { + friend DescriptorAllocator; + +public: + explicit VKDescriptorPool(const VKDevice& device); + ~VKDescriptorPool(); + +private: + vk::DescriptorPool AllocateNewPool(); + + std::vector<UniqueDescriptorSet> AllocateDescriptors(vk::DescriptorSetLayout layout, + std::size_t count); + + const VKDevice& device; + + std::vector<UniqueDescriptorPool> pools; + vk::DescriptorPool active_pool; +}; + +} // namespace Vulkan
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