1 // Copyright 2013 The Flutter Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_GL_H_ 6 #define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_GL_H_ 7 8 #include "flutter/fml/macros.h" 9 #include "flutter/fml/platform/darwin/scoped_nsobject.h" 10 #include "flutter/shell/gpu/gpu_surface_gl.h" 11 #include "flutter/shell/platform/darwin/ios/ios_gl_context.h" 12 #include "flutter/shell/platform/darwin/ios/ios_gl_render_target.h" 13 #include "flutter/shell/platform/darwin/ios/ios_surface.h" 14 15 @class CAEAGLLayer; 16 17 namespace flutter { 18 19 class IOSSurfaceGL final : public IOSSurface, 20 public GPUSurfaceGLDelegate, 21 public ExternalViewEmbedder { 22 public: 23 IOSSurfaceGL(std::shared_ptr<IOSGLContext> context, 24 fml::scoped_nsobject<CAEAGLLayer> layer, 25 FlutterPlatformViewsController* platform_views_controller); 26 27 IOSSurfaceGL(fml::scoped_nsobject<CAEAGLLayer> layer, std::shared_ptr<IOSGLContext> context); 28 29 ~IOSSurfaceGL() override; 30 31 bool IsValid() const override; 32 33 bool ResourceContextMakeCurrent() override; 34 35 void UpdateStorageSizeIfNecessary() override; 36 37 std::unique_ptr<Surface> CreateGPUSurface() override; 38 39 std::unique_ptr<Surface> CreateSecondaryGPUSurface(GrContext* gr_context); 40 41 bool GLContextMakeCurrent() override; 42 43 bool GLContextClearCurrent() override; 44 45 bool GLContextPresent() override; 46 47 intptr_t GLContextFBO() const override; 48 49 bool UseOffscreenSurface() const override; 50 51 // |GPUSurfaceGLDelegate| 52 ExternalViewEmbedder* GetExternalViewEmbedder() override; 53 54 // |ExternalViewEmbedder| 55 sk_sp<SkSurface> GetRootSurface() override; 56 57 // |ExternalViewEmbedder| 58 void CancelFrame() override; 59 60 // |ExternalViewEmbedder| 61 void BeginFrame(SkISize frame_size, GrContext* context) override; 62 63 // |ExternalViewEmbedder| 64 void PrerollCompositeEmbeddedView(int view_id, 65 std::unique_ptr<flutter::EmbeddedViewParams> params) override; 66 67 // |ExternalViewEmbedder| 68 PostPrerollResult PostPrerollAction(fml::RefPtr<fml::GpuThreadMerger> gpu_thread_merger) override; 69 70 // |ExternalViewEmbedder| 71 std::vector<SkCanvas*> GetCurrentCanvases() override; 72 73 // |ExternalViewEmbedder| 74 SkCanvas* CompositeEmbeddedView(int view_id) override; 75 76 // |ExternalViewEmbedder| 77 bool SubmitFrame(GrContext* context) override; 78 79 private: 80 std::shared_ptr<IOSGLContext> context_; 81 std::unique_ptr<IOSGLRenderTarget> render_target_; 82 83 FML_DISALLOW_COPY_AND_ASSIGN(IOSSurfaceGL); 84 }; 85 86 } // namespace flutter 87 88 #endif // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_GL_H_ 89