gpu_surface_vulkan_impeller.h

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// 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_GPU_GPU_SURFACE_VULKAN_IMPELLER_H_
#define FLUTTER_SHELL_GPU_GPU_SURFACE_VULKAN_IMPELLER_H_
 
#include "flutter/common/graphics/gl_context_switch.h"
#include "flutter/flow/surface.h"
#include "flutter/fml/macros.h"
#include "flutter/fml/memory/weak_ptr.h"
#include "flutter/impeller/display_list/aiks_context.h"
#include "flutter/impeller/renderer/context.h"
#include "flutter/shell/gpu/gpu_surface_vulkan_delegate.h"
#include "impeller/renderer/backend/vulkan/swapchain/swapchain_transients_vk.h"
 
namespace flutter {
 
namespace testing {
FML_TEST_CLASS(GPUSurfaceVulkanImpeller,
               RecreatesTransientsWhenFrameSizeChanges);
}  // namespace testing
 
class GPUSurfaceVulkanImpeller final : public Surface {
 public:
  explicit GPUSurfaceVulkanImpeller(GPUSurfaceVulkanDelegate* delegate,
                                    std::shared_ptr<impeller::Context> context);
 
  // |Surface|
  ~GPUSurfaceVulkanImpeller() override;
 
  // |Surface|
  bool IsValid() override;
 
 private:
  FML_FRIEND_TEST(testing::GPUSurfaceVulkanImpeller,
                  RecreatesTransientsWhenFrameSizeChanges);
 
  GPUSurfaceVulkanDelegate* delegate_;
  std::shared_ptr<impeller::Context> impeller_context_;
  std::shared_ptr<impeller::AiksContext> aiks_context_;
  std::shared_ptr<impeller::SwapchainTransientsVK> transients_;
  /// The size of the textures in [transients_]
  impeller::ISize transients_size_ = {};
  bool is_valid_ = false;
 
  // |Surface|
  std::unique_ptr<SurfaceFrame> AcquireFrame(const DlISize& size) override;
 
  // |Surface|
  DlMatrix GetRootTransformation() const override;
 
  // |Surface|
  GrDirectContext* GetContext() override;
 
  // |Surface|
  std::unique_ptr<GLContextResult> MakeRenderContextCurrent() override;
 
  // |Surface|
  bool EnableRasterCache() const override;
 
  // |Surface|
  std::shared_ptr<impeller::AiksContext> GetAiksContext() const override;
 
  FML_DISALLOW_COPY_AND_ASSIGN(GPUSurfaceVulkanImpeller);
};
 
}  // namespace flutter
 
#endif  // FLUTTER_SHELL_GPU_GPU_SURFACE_VULKAN_IMPELLER_H_