mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Craig Stout
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_VULKAN_VULKAN_SWAPCHAIN_H_
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#define FLUTTER_VULKAN_VULKAN_SWAPCHAIN_H_
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#include <memory>
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#include <utility>
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#include <vector>
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#include "flutter/fml/compiler_specific.h"
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#include "flutter/fml/macros.h"
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#include "flutter/vulkan/vulkan_handle.h"
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#include "third_party/skia/include/core/SkSize.h"
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#include "third_party/skia/include/core/SkSurface.h"
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namespace vulkan {
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class VulkanProcTable;
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class VulkanDevice;
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class VulkanSurface;
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class VulkanBackbuffer;
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class VulkanImage;
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class VulkanSwapchain {
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public:
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VulkanSwapchain(const VulkanProcTable& vk,
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const VulkanDevice& device,
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const VulkanSurface& surface,
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GrContext* skia_context,
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std::unique_ptr<VulkanSwapchain> old_swapchain,
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uint32_t queue_family_index);
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~VulkanSwapchain();
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bool IsValid() const;
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enum class AcquireStatus {
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/// A valid SkSurface was acquired successfully from the swapchain.
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Success,
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/// The underlying surface of the swapchain was permanently lost. This is an
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/// unrecoverable error. The entire surface must be recreated along with the
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/// swapchain.
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ErrorSurfaceLost,
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/// The swapchain surface is out-of-date with the underlying surface. The
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/// swapchain must be recreated.
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ErrorSurfaceOutOfDate,
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};
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using AcquireResult = std::pair<AcquireStatus, sk_sp<SkSurface>>;
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/// Acquire an SkSurface from the swapchain for the caller to render into for
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/// later submission via |Submit|. There must not be consecutive calls to
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/// |AcquireFrame| without and interleaving |Submit|.
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AcquireResult AcquireSurface();
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/// Submit a previously acquired. There must not be consecutive calls to
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/// |Submit| without and interleaving |AcquireFrame|.
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FML_WARN_UNUSED_RESULT
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bool Submit();
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SkISize GetSize() const;
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#if OS_ANDROID
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private:
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const VulkanProcTable& vk;
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const VulkanDevice& device_;
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VkSurfaceCapabilitiesKHR capabilities_;
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VkSurfaceFormatKHR surface_format_;
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VulkanHandle<VkSwapchainKHR> swapchain_;
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std::vector<std::unique_ptr<VulkanBackbuffer>> backbuffers_;
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std::vector<std::unique_ptr<VulkanImage>> images_;
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std::vector<sk_sp<SkSurface>> surfaces_;
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VkPipelineStageFlagBits current_pipeline_stage_;
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size_t current_backbuffer_index_;
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size_t current_image_index_;
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bool valid_;
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std::vector<VkImage> GetImages() const;
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bool CreateSwapchainImages(GrContext* skia_context,
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SkColorType color_type,
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sk_sp<SkColorSpace> color_space);
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sk_sp<SkSurface> CreateSkiaSurface(GrContext* skia_context,
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VkImage image,
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const SkISize& size,
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SkColorType color_type,
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sk_sp<SkColorSpace> color_space) const;
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VulkanBackbuffer* GetNextBackbuffer();
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#endif // OS_ANDROID
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FML_DISALLOW_COPY_AND_ASSIGN(VulkanSwapchain);
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};
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} // namespace vulkan
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#endif // FLUTTER_VULKAN_VULKAN_SWAPCHAIN_H_
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