Revert "[vk] Descriptor pools: per-set free + RAII release; add ResourcePool::Drain"

This reverts commit 8200e397ef.

src/video_core/renderer_vulkan/present/util.cpp

@@ -312,7 +312,7 @@ vk::DescriptorPool CreateWrappedDescriptorPool(const Device& device, size_t max_
     return device.GetLogical().CreateDescriptorPool(VkDescriptorPoolCreateInfo{
         .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
         .pNext = nullptr,
-        .flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,
+        .flags = 0,
         .maxSets = static_cast<u32>(max_sets),
         .poolSizeCount = static_cast<u32>(pool_sizes.size()),
         .pPoolSizes = pool_sizes.data(),

src/video_core/renderer_vulkan/vk_command_pool.cpp

@@ -19,9 +19,7 @@ struct CommandPool::Pool {
 CommandPool::CommandPool(MasterSemaphore& master_semaphore_, const Device& device_)
     : ResourcePool(master_semaphore_, COMMAND_BUFFER_POOL_SIZE), device{device_} {}
 
-CommandPool::~CommandPool() {
-    Drain();
-}
+CommandPool::~CommandPool() = default;
 
 void CommandPool::Allocate(size_t begin, size_t end) {
     // Command buffers are going to be committed, recorded, executed every single usage cycle.

src/video_core/renderer_vulkan/vk_descriptor_pool.cpp

@@ -80,7 +80,7 @@ static void AllocatePool(const Device& device, DescriptorBank& bank) {
     bank.pools.push_back(device.GetLogical().CreateDescriptorPool({
         .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
         .pNext = nullptr,
-        .flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT,
+        .flags = 0,
         .maxSets = sets_per_pool,
         .poolSizeCount = static_cast<u32>(pool_cursor),
         .pPoolSizes = std::data(pool_sizes),
@@ -92,10 +92,6 @@ DescriptorAllocator::DescriptorAllocator(const Device& device_, MasterSemaphore&
     : ResourcePool(master_semaphore_, SETS_GROW_RATE), device{&device_}, bank{&bank_},
       layout{layout_} {}
 
-DescriptorAllocator::~DescriptorAllocator() {
-    Drain();
-}
-
 VkDescriptorSet DescriptorAllocator::Commit() {
     const size_t index = CommitResource();
     return sets[index / SETS_GROW_RATE][index % SETS_GROW_RATE];

src/video_core/renderer_vulkan/vk_descriptor_pool.h

@@ -35,7 +35,7 @@ class DescriptorAllocator final : public ResourcePool {
 
 public:
     explicit DescriptorAllocator() = default;
-    ~DescriptorAllocator() override;
+    ~DescriptorAllocator() override = default;
 
     DescriptorAllocator& operator=(DescriptorAllocator&&) noexcept = default;
     DescriptorAllocator(DescriptorAllocator&&) noexcept = default;

src/video_core/renderer_vulkan/vk_resource_pool.cpp

@@ -1,7 +1,6 @@
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <algorithm>
 #include <optional>
 
 #include "video_core/renderer_vulkan/vk_master_semaphore.h"
@@ -43,42 +42,6 @@ size_t ResourcePool::CommitResource() {
     return *found;
 }
 
-void ResourcePool::Drain() {
-    if (!master_semaphore || ticks.empty()) {
-        return;
-    }
-
-    master_semaphore->Refresh();
-    const auto highest_iter = std::max_element(ticks.begin(), ticks.end());
-    if (highest_iter == ticks.end()) {
-        return;
-    }
-
-    const u64 highest_tick = *highest_iter;
-    if (highest_tick == 0) {
-        return;
-    }
-
-    const u64 current_tick = master_semaphore->CurrentTick();
-    const u64 last_submitted_tick = current_tick > 0 ? current_tick - 1 : 0;
-    u64 wait_tick = 0;
-    if (last_submitted_tick != 0) {
-        wait_tick = std::min(highest_tick, last_submitted_tick);
-    }
-
-    if (wait_tick != 0 && !master_semaphore->IsFree(wait_tick)) {
-        // Clamp to the last submitted tick so we never wait for a value that was
-        // never enqueued on the GPU timeline (CurrentTick() is always one ahead
-        // of the most recent submission).
-        master_semaphore->Wait(wait_tick);
-    }
-
-    master_semaphore->Refresh();
-    const u64 completed_tick = master_semaphore->KnownGpuTick();
-    std::fill(ticks.begin(), ticks.end(), completed_tick);
-    hint_iterator = 0;
-}
-
 size_t ResourcePool::ManageOverflow() {
     const size_t old_capacity = ticks.size();
     Grow();

src/video_core/renderer_vulkan/vk_resource_pool.h

@@ -30,7 +30,6 @@ public:
 
 protected:
     size_t CommitResource();
-    void Drain();
 
     /// Called when a chunk of resources have to be allocated.
     virtual void Allocate(size_t begin, size_t end) = 0;

src/video_core/vulkan_common/vulkan_wrapper.h

@@ -15,7 +15,6 @@
 #include <utility>
 #include <vector>
 
-#include "common/assert.h"
 #include "common/common_types.h"
 #include "video_core/vulkan_common/vulkan.h"
 
@@ -553,10 +552,6 @@ public:
     /// Construct an empty allocation.
     PoolAllocations() = default;
 
-    ~PoolAllocations() noexcept {
-        Release();
-    }
-
     /// Construct an allocation. Errors are reported through IsOutOfPoolMemory().
     explicit PoolAllocations(std::unique_ptr<AllocationType[]> allocations_, std::size_t num_,
                              VkDevice device_, PoolType pool_, const DeviceDispatch& dld_) noexcept
@@ -570,38 +565,18 @@ public:
     /// Construct an allocation transferring ownership from another allocation.
     PoolAllocations(PoolAllocations&& rhs) noexcept
         : allocations{std::move(rhs.allocations)}, num{rhs.num}, device{rhs.device}, pool{rhs.pool},
-          dld{rhs.dld} {
-        rhs.Reset();
-    }
+          dld{rhs.dld} {}
 
     /// Assign an allocation transferring ownership from another allocation.
     PoolAllocations& operator=(PoolAllocations&& rhs) noexcept {
-        if (this == &rhs) [[unlikely]] {
-            return *this;
-        }
-        Release();
         allocations = std::move(rhs.allocations);
         num = rhs.num;
         device = rhs.device;
         pool = rhs.pool;
         dld = rhs.dld;
-        rhs.Reset();
         return *this;
     }
 
-    /// Releases the underlying allocations back to their pool if owned.
-    void Release() noexcept {
-        if (!allocations || num == 0 || !device || !pool || !dld) {
-            Reset();
-            return;
-        }
-
-        const Span<AllocationType> span{allocations.get(), num};
-        [[maybe_unused]] const VkResult result = Free(device, pool, span, *dld);
-        DEBUG_ASSERT(result == VK_SUCCESS);
-        Reset();
-    }
-
     /// Returns the number of allocations.
     std::size_t size() const noexcept {
         return num;
@@ -629,14 +604,6 @@ private:
     VkDevice device = nullptr;
     PoolType pool = nullptr;
     const DeviceDispatch* dld = nullptr;
-
-    void Reset() noexcept {
-        allocations.reset();
-        num = 0;
-        device = nullptr;
-        pool = nullptr;
-        dld = nullptr;
-    }
 };
 
 using DebugUtilsMessenger = Handle<VkDebugUtilsMessengerEXT, VkInstance, InstanceDispatch>;