| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <fuchsia/ui/composition/cpp/fidl.h> |
| |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "flutter/fml/macros.h" |
| #include "vulkan_surface.h" |
| |
| namespace flutter_runner { |
| |
| class VulkanSurfacePool final { |
| public: |
| // Only keep 12 surfaces at a time. This value was based on how many |
| // surfaces got cached in the old, exact-match-only caching logic. |
| static constexpr int kMaxSurfaces = 12; |
| // If a surface doesn't get used for 3 or more generations, we discard it. |
| static constexpr int kMaxSurfaceAge = 3; |
| |
| VulkanSurfacePool(vulkan::VulkanProvider& vulkan_provider, |
| sk_sp<GrDirectContext> context, |
| scenic::Session* scenic_session); |
| |
| ~VulkanSurfacePool(); |
| |
| std::unique_ptr<VulkanSurface> CreateSurface(const SkISize& size); |
| std::unique_ptr<VulkanSurface> AcquireSurface(const SkISize& size); |
| |
| void SubmitSurface(std::unique_ptr<SurfaceProducerSurface> surface); |
| |
| void AgeAndCollectOldBuffers(); |
| |
| // Shrink all oversized |VulkanSurfaces| in |available_surfaces_| to as |
| // small as they can be. |
| void ShrinkToFit(); |
| |
| private: |
| vulkan::VulkanProvider& vulkan_provider_; |
| sk_sp<GrDirectContext> context_; |
| scenic::Session* scenic_session_; |
| fuchsia::sysmem::AllocatorSyncPtr sysmem_allocator_; |
| fuchsia::ui::composition::AllocatorPtr flatland_allocator_; |
| std::vector<std::unique_ptr<VulkanSurface>> available_surfaces_; |
| std::unordered_map<uintptr_t, std::unique_ptr<VulkanSurface>> |
| pending_surfaces_; |
| uint32_t buffer_id_ = 1; |
| |
| size_t trace_surfaces_created_ = 0; |
| size_t trace_surfaces_reused_ = 0; |
| |
| std::unique_ptr<VulkanSurface> GetCachedOrCreateSurface(const SkISize& size); |
| |
| void RecycleSurface(std::unique_ptr<VulkanSurface> surface); |
| |
| void RecyclePendingSurface(uintptr_t surface_key); |
| |
| void TraceStats(); |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(VulkanSurfacePool); |
| }; |
| |
| } // namespace flutter_runner |