diff options
Diffstat (limited to 'src/video_core/renderer_vulkan/vk_resource_manager.cpp')
-rw-r--r-- | src/video_core/renderer_vulkan/vk_resource_manager.cpp | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/src/video_core/renderer_vulkan/vk_resource_manager.cpp b/src/video_core/renderer_vulkan/vk_resource_manager.cpp deleted file mode 100644 index f19330a36..000000000 --- a/src/video_core/renderer_vulkan/vk_resource_manager.cpp +++ /dev/null @@ -1,311 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <algorithm> -#include <optional> -#include "common/assert.h" -#include "common/logging/log.h" -#include "video_core/renderer_vulkan/vk_device.h" -#include "video_core/renderer_vulkan/vk_resource_manager.h" -#include "video_core/renderer_vulkan/wrapper.h" - -namespace Vulkan { - -namespace { - -// TODO(Rodrigo): Fine tune these numbers. -constexpr std::size_t COMMAND_BUFFER_POOL_SIZE = 0x1000; -constexpr std::size_t FENCES_GROW_STEP = 0x40; - -constexpr VkFenceCreateInfo BuildFenceCreateInfo() { - return { - .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, - .pNext = nullptr, - .flags = 0, - }; -} - -} // Anonymous namespace - -class CommandBufferPool final : public VKFencedPool { -public: - explicit CommandBufferPool(const VKDevice& device) - : VKFencedPool(COMMAND_BUFFER_POOL_SIZE), device{device} {} - - void Allocate(std::size_t begin, std::size_t end) override { - // Command buffers are going to be commited, recorded, executed every single usage cycle. - // They are also going to be reseted when commited. - Pool& pool = pools.emplace_back(); - pool.handle = device.GetLogical().CreateCommandPool({ - .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, - .pNext = nullptr, - .flags = VK_COMMAND_POOL_CREATE_TRANSIENT_BIT | - VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, - .queueFamilyIndex = device.GetGraphicsFamily(), - }); - pool.cmdbufs = pool.handle.Allocate(COMMAND_BUFFER_POOL_SIZE); - } - - VkCommandBuffer Commit(VKFence& fence) { - const std::size_t index = CommitResource(fence); - const auto pool_index = index / COMMAND_BUFFER_POOL_SIZE; - const auto sub_index = index % COMMAND_BUFFER_POOL_SIZE; - return pools[pool_index].cmdbufs[sub_index]; - } - -private: - struct Pool { - vk::CommandPool handle; - vk::CommandBuffers cmdbufs; - }; - - const VKDevice& device; - std::vector<Pool> pools; -}; - -VKResource::VKResource() = default; - -VKResource::~VKResource() = default; - -VKFence::VKFence(const VKDevice& device) - : device{device}, handle{device.GetLogical().CreateFence(BuildFenceCreateInfo())} {} - -VKFence::~VKFence() = default; - -void VKFence::Wait() { - switch (const VkResult result = handle.Wait()) { - case VK_SUCCESS: - return; - case VK_ERROR_DEVICE_LOST: - device.ReportLoss(); - [[fallthrough]]; - default: - throw vk::Exception(result); - } -} - -void VKFence::Release() { - ASSERT(is_owned); - is_owned = false; -} - -void VKFence::Commit() { - is_owned = true; - is_used = true; -} - -bool VKFence::Tick(bool gpu_wait, bool owner_wait) { - if (!is_used) { - // If a fence is not used it's always free. - return true; - } - if (is_owned && !owner_wait) { - // The fence is still being owned (Release has not been called) and ownership wait has - // not been asked. - return false; - } - - if (gpu_wait) { - // Wait for the fence if it has been requested. - (void)handle.Wait(); - } else { - if (handle.GetStatus() != VK_SUCCESS) { - // Vulkan fence is not ready, not much it can do here - return false; - } - } - - // Broadcast resources their free state. - for (auto* resource : protected_resources) { - resource->OnFenceRemoval(this); - } - protected_resources.clear(); - - // Prepare fence for reusage. - handle.Reset(); - is_used = false; - return true; -} - -void VKFence::Protect(VKResource* resource) { - protected_resources.push_back(resource); -} - -void VKFence::Unprotect(VKResource* resource) { - const auto it = std::find(protected_resources.begin(), protected_resources.end(), resource); - ASSERT(it != protected_resources.end()); - - resource->OnFenceRemoval(this); - protected_resources.erase(it); -} - -void VKFence::RedirectProtection(VKResource* old_resource, VKResource* new_resource) noexcept { - std::replace(std::begin(protected_resources), std::end(protected_resources), old_resource, - new_resource); -} - -VKFenceWatch::VKFenceWatch() = default; - -VKFenceWatch::VKFenceWatch(VKFence& initial_fence) { - Watch(initial_fence); -} - -VKFenceWatch::VKFenceWatch(VKFenceWatch&& rhs) noexcept { - fence = std::exchange(rhs.fence, nullptr); - if (fence) { - fence->RedirectProtection(&rhs, this); - } -} - -VKFenceWatch& VKFenceWatch::operator=(VKFenceWatch&& rhs) noexcept { - fence = std::exchange(rhs.fence, nullptr); - if (fence) { - fence->RedirectProtection(&rhs, this); - } - return *this; -} - -VKFenceWatch::~VKFenceWatch() { - if (fence) { - fence->Unprotect(this); - } -} - -void VKFenceWatch::Wait() { - if (fence == nullptr) { - return; - } - fence->Wait(); - fence->Unprotect(this); -} - -void VKFenceWatch::Watch(VKFence& new_fence) { - Wait(); - fence = &new_fence; - fence->Protect(this); -} - -bool VKFenceWatch::TryWatch(VKFence& new_fence) { - if (fence) { - return false; - } - fence = &new_fence; - fence->Protect(this); - return true; -} - -void VKFenceWatch::OnFenceRemoval(VKFence* signaling_fence) { - ASSERT_MSG(signaling_fence == fence, "Removing the wrong fence"); - fence = nullptr; -} - -VKFencedPool::VKFencedPool(std::size_t grow_step) : grow_step{grow_step} {} - -VKFencedPool::~VKFencedPool() = default; - -std::size_t VKFencedPool::CommitResource(VKFence& fence) { - const auto Search = [&](std::size_t begin, std::size_t end) -> std::optional<std::size_t> { - for (std::size_t iterator = begin; iterator < end; ++iterator) { - if (watches[iterator]->TryWatch(fence)) { - // The resource is now being watched, a free resource was successfully found. - return iterator; - } - } - return {}; - }; - // Try to find a free resource from the hinted position to the end. - auto found = Search(free_iterator, watches.size()); - if (!found) { - // Search from beginning to the hinted position. - found = Search(0, free_iterator); - if (!found) { - // Both searches failed, the pool is full; handle it. - const std::size_t free_resource = ManageOverflow(); - - // Watch will wait for the resource to be free. - watches[free_resource]->Watch(fence); - found = free_resource; - } - } - // Free iterator is hinted to the resource after the one that's been commited. - free_iterator = (*found + 1) % watches.size(); - return *found; -} - -std::size_t VKFencedPool::ManageOverflow() { - const std::size_t old_capacity = watches.size(); - Grow(); - - // The last entry is guaranted to be free, since it's the first element of the freshly - // allocated resources. - return old_capacity; -} - -void VKFencedPool::Grow() { - const std::size_t old_capacity = watches.size(); - watches.resize(old_capacity + grow_step); - std::generate(watches.begin() + old_capacity, watches.end(), - []() { return std::make_unique<VKFenceWatch>(); }); - Allocate(old_capacity, old_capacity + grow_step); -} - -VKResourceManager::VKResourceManager(const VKDevice& device) : device{device} { - GrowFences(FENCES_GROW_STEP); - command_buffer_pool = std::make_unique<CommandBufferPool>(device); -} - -VKResourceManager::~VKResourceManager() = default; - -VKFence& VKResourceManager::CommitFence() { - const auto StepFences = [&](bool gpu_wait, bool owner_wait) -> VKFence* { - const auto Tick = [=](auto& fence) { return fence->Tick(gpu_wait, owner_wait); }; - const auto hinted = fences.begin() + fences_iterator; - - auto it = std::find_if(hinted, fences.end(), Tick); - if (it == fences.end()) { - it = std::find_if(fences.begin(), hinted, Tick); - if (it == hinted) { - return nullptr; - } - } - fences_iterator = std::distance(fences.begin(), it) + 1; - if (fences_iterator >= fences.size()) - fences_iterator = 0; - - auto& fence = *it; - fence->Commit(); - return fence.get(); - }; - - VKFence* found_fence = StepFences(false, false); - if (!found_fence) { - // Try again, this time waiting. - found_fence = StepFences(true, false); - - if (!found_fence) { - // Allocate new fences and try again. - LOG_INFO(Render_Vulkan, "Allocating new fences {} -> {}", fences.size(), - fences.size() + FENCES_GROW_STEP); - - GrowFences(FENCES_GROW_STEP); - found_fence = StepFences(true, false); - ASSERT(found_fence != nullptr); - } - } - return *found_fence; -} - -VkCommandBuffer VKResourceManager::CommitCommandBuffer(VKFence& fence) { - return command_buffer_pool->Commit(fence); -} - -void VKResourceManager::GrowFences(std::size_t new_fences_count) { - const std::size_t previous_size = fences.size(); - fences.resize(previous_size + new_fences_count); - - std::generate(fences.begin() + previous_size, fences.end(), - [this] { return std::make_unique<VKFence>(device); }); -} - -} // namespace Vulkan |