| // 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_IMPELLER_RENDERER_BACKEND_VULKAN_SURFACE_CONTEXT_VK_H_ |
| #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_SURFACE_CONTEXT_VK_H_ |
| |
| #include <memory> |
| |
| #include "impeller/base/backend_cast.h" |
| #include "impeller/renderer/backend/vulkan/vk.h" |
| #include "impeller/renderer/command_queue.h" |
| #include "impeller/renderer/context.h" |
| |
| namespace impeller { |
| |
| class ContextVK; |
| class Surface; |
| class SwapchainVK; |
| |
| /// For Vulkan, there is both a ContextVK that implements Context and a |
| /// SurfaceContextVK that also implements Context and takes a ContextVK as its |
| /// parent. There is a one to many relationship between ContextVK and |
| /// SurfaceContextVK. |
| /// |
| /// Most operations in this class are delegated to the parent ContextVK. |
| /// This class specifically manages swapchains and creation of VkSurfaces on |
| /// Android. By maintaining the swapchain this way, it is possible to have |
| /// multiple surfaces sharing the same ContextVK without stepping on each |
| /// other's swapchains. |
| class SurfaceContextVK : public Context, |
| public BackendCast<SurfaceContextVK, Context> { |
| public: |
| explicit SurfaceContextVK(const std::shared_ptr<ContextVK>& parent); |
| |
| // |Context| |
| ~SurfaceContextVK() override; |
| |
| // |Context| |
| BackendType GetBackendType() const override; |
| |
| // |Context| |
| std::string DescribeGpuModel() const override; |
| |
| // |Context| |
| bool IsValid() const override; |
| |
| // |Context| |
| std::shared_ptr<Allocator> GetResourceAllocator() const override; |
| |
| // |Context| |
| std::shared_ptr<ShaderLibrary> GetShaderLibrary() const override; |
| |
| // |Context| |
| std::shared_ptr<SamplerLibrary> GetSamplerLibrary() const override; |
| |
| // |Context| |
| std::shared_ptr<PipelineLibrary> GetPipelineLibrary() const override; |
| |
| // |Context| |
| std::shared_ptr<CommandBuffer> CreateCommandBuffer() const override; |
| |
| // |Context| |
| const std::shared_ptr<const Capabilities>& GetCapabilities() const override; |
| |
| // |Context| |
| std::shared_ptr<CommandQueue> GetCommandQueue() const override; |
| |
| // |Context| |
| void Shutdown() override; |
| |
| [[nodiscard]] bool SetWindowSurface(vk::UniqueSurfaceKHR surface, |
| const ISize& size); |
| |
| std::unique_ptr<Surface> AcquireNextSurface(); |
| |
| /// @brief Mark the current swapchain configuration as dirty, forcing it to be |
| /// recreated on the next frame. |
| void UpdateSurfaceSize(const ISize& size) const; |
| |
| void InitializeCommonlyUsedShadersIfNeeded() const override; |
| |
| #ifdef FML_OS_ANDROID |
| vk::UniqueSurfaceKHR CreateAndroidSurface(ANativeWindow* window) const; |
| #endif // FML_OS_ANDROID |
| |
| const vk::Device& GetDevice() const; |
| |
| const ContextVK& GetParent() const; |
| |
| private: |
| std::shared_ptr<ContextVK> parent_; |
| std::shared_ptr<SwapchainVK> swapchain_; |
| }; |
| |
| } // namespace impeller |
| |
| #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_SURFACE_CONTEXT_VK_H_ |