WIP - OpenGL Native Renderer

remoting/client/jni/jni_gl_display_handler.h

 // Copyright 2016 The Chromium 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 REMOTING_CLIENT_JNI_JNI_GL_DISPLAY_HANDLER_H_
 #define REMOTING_CLIENT_JNI_JNI_GL_DISPLAY_HANDLER_H_
 
+#include <EGL/egl.h>
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "remoting/client/gl_renderer.h"
+#include "remoting/client/gl_renderer_delegate.h"
 #include "remoting/client/jni/display_updater_factory.h"
+#include "remoting/protocol/cursor_shape_stub.h"
 
 namespace remoting {
 
 class ChromotingJniRuntime;
+class DualBufferFrameConsumer;
+class EglThreadContext;
 
 // Handles OpenGL display operations. Draws desktop and cursor on the OpenGL
 // surface.
 // JNI functions should all be called on the UI thread. The display handler
 // itself should be deleted on the display thread.
 // Please see GlDisplay.java for documentations.
-class JniGlDisplayHandler : public DisplayUpdaterFactory {
+class JniGlDisplayHandler : public DisplayUpdaterFactory,
+                            public protocol::CursorShapeStub,
+                            public GlRendererDelegate {
  public:
   JniGlDisplayHandler(ChromotingJniRuntime* runtime);
   ~JniGlDisplayHandler() override;
 
   // Sets the DesktopViewFactory for the Java client.
   void InitializeClient(
       const base::android::JavaRef<jobject>& java_client);
+
+  // CursorShapeStub override.
+  void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape) override;
+
   // DisplayUpdaterFactory overrides.
   std::unique_ptr<protocol::CursorShapeStub> CreateCursorShapeStub() override;
   std::unique_ptr<protocol::VideoRenderer> CreateVideoRenderer() override;
 
+  // GlrendererDelegate overrides.
+  bool CanRenderFrame() override;
+  void OnFrameRendered() override;
+  void OnSizeChanged(int width, int height) override;
+
   static bool RegisterJni(JNIEnv* env);
 
   void OnSurfaceCreated(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& caller,
       const base::android::JavaParamRef<jobject>& surface);
 
   void OnSurfaceChanged(JNIEnv* env,
                         const base::android::JavaParamRef<jobject>& caller,
                         int width,
                         int height);
 
   void OnSurfaceDestroyed(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& caller);
 
   void OnPixelTransformationChanged(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& caller,
       const base::android::JavaParamRef<jfloatArray>&  matrix
       );
 
   void OnCursorPixelPositionChanged(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& caller,
       int x,
-      int y);
+      int y,
+      bool followed_by_viewport_move);
 
   void OnCursorVisibilityChanged(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& caller,
       bool visible);
 
   void OnCursorInputFeedback(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& caller,
       int x,
       int y,
       float diameter);
 
   void SetRenderEventEnabled(JNIEnv* env,
                              const base::android::JavaParamRef<jobject>& caller,
                              jboolean enabled);
 
  private:
-  static void NotifyRenderEventOnUiThread(
-      base::android::ScopedJavaGlobalRef<jobject> java_client);
+  void SetRenderEventEnabledOnDisplayThread(bool enabled);
+
+  static void NotifyRenderDoneOnUiThread(
+      base::android::ScopedJavaGlobalRef<jobject> java_display);
+
+  void SurfaceCreatedOnDisplayThread(
+      base::android::ScopedJavaGlobalRef<jobject> surface);
+
+  void SurfaceDestroyedOnDisplayThread();
+
+  void ChangePixelTransformationOnDisplayThread(
+      base::android::ScopedJavaGlobalRef<jfloatArray> jmatrix);
+
+  void ChangeCursorPositionOnDisplayThread(int x,
+                                           int y,
+                                           bool followed_by_viewport_move);
 
   static void ChangeCanvasSizeOnUiThread(
-      base::android::ScopedJavaGlobalRef<jobject> java_client,
+      base::android::ScopedJavaGlobalRef<jobject> java_display,
       int width,
       int height);
 
   ChromotingJniRuntime* runtime_;
 
   base::android::ScopedJavaGlobalRef<jobject> java_display_;
 
+  std::unique_ptr<EglThreadContext> egl_context_;
+
+  base::WeakPtr<DualBufferFrameConsumer> frame_consumer_;
+
+  bool render_event_enabled_ = false;
+  bool rendering_blocked_ = false;
+
+  // |renderer_| must be deleted earlier than |egl_context_|.
+  GlRenderer renderer_;
+
+  // Used on display thread.
+  base::WeakPtr<JniGlDisplayHandler> weak_ptr_;
+  base::WeakPtrFactory<JniGlDisplayHandler> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(JniGlDisplayHandler);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_JNI_JNI_GL_DISPLAY_HANDLER_H_