blob: b6ddf25468cb68e024519481aec744d06c59b925 [file] [log] [blame]
// 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.
#ifndef FLUTTER_SHELL_PLATFORM_FUCHSIA_FLUTTER_VULKAN_SURFACE_POOL_H_
#define FLUTTER_SHELL_PLATFORM_FUCHSIA_FLUTTER_VULKAN_SURFACE_POOL_H_
#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);
~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_;
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_;
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
#endif // FLUTTER_SHELL_PLATFORM_FUCHSIA_FLUTTER_VULKAN_SURFACE_POOL_H_