Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set sw=2 sts=2 ts=8 et tw=99 : */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef MOZILLA_LAYERS_RENDEREROGL_H
       8             : #define MOZILLA_LAYERS_RENDEREROGL_H
       9             : 
      10             : #include "mozilla/webrender/RenderThread.h"
      11             : #include "mozilla/webrender/WebRenderTypes.h"
      12             : #include "mozilla/webrender/webrender_ffi.h"
      13             : 
      14             : namespace mozilla {
      15             : 
      16             : namespace gfx {
      17             : class DrawTarget;
      18             : }
      19             : 
      20             : namespace gl {
      21             : class GLContext;
      22             : }
      23             : 
      24             : namespace layers {
      25             : class CompositorBridgeParentBase;
      26             : }
      27             : 
      28             : namespace widget {
      29             : class CompositorWidget;
      30             : }
      31             : 
      32             : namespace wr {
      33             : 
      34             : class RenderTextureHost;
      35             : 
      36             : /// Owns the WebRender renderer and GL context.
      37             : ///
      38             : /// There is one renderer per window, all owned by the render thread.
      39             : /// This class is a similar abstraction to CompositorOGL except that it is used
      40             : /// on the render thread instead of the compositor thread.
      41             : class RendererOGL
      42             : {
      43             :   friend WrExternalImage LockExternalImage(void* aObj, WrExternalImageId aId, uint8_t aChannelIndex);
      44             :   friend void UnlockExternalImage(void* aObj, WrExternalImageId aId, uint8_t aChannelIndex);
      45             : 
      46             : public:
      47             :   WrExternalImageHandler GetExternalImageHandler();
      48             : 
      49             :   /// This can be called on the render thread only.
      50             :   void Update();
      51             : 
      52             :   /// This can be called on the render thread only.
      53             :   bool Render();
      54             : 
      55             :   /// This can be called on the render thread only.
      56             :   bool RenderToTarget(gfx::DrawTarget& aTarget);
      57             : 
      58             :   /// This can be called on the render thread only.
      59             :   void SetProfilerEnabled(bool aEnabled);
      60             : 
      61             :   /// This can be called on the render thread only.
      62             :   ~RendererOGL();
      63             : 
      64             :   /// This can be called on the render thread only.
      65             :   RendererOGL(RefPtr<RenderThread>&& aThread,
      66             :               RefPtr<gl::GLContext>&& aGL,
      67             :               RefPtr<widget::CompositorWidget>&&,
      68             :               wr::WindowId aWindowId,
      69             :               WrRenderer* aWrRenderer,
      70             :               layers::CompositorBridgeParentBase* aBridge);
      71             : 
      72             :   /// This can be called on the render thread only.
      73             :   void Pause();
      74             : 
      75             :   /// This can be called on the render thread only.
      76             :   bool Resume();
      77             : 
      78           0 :   layers::CompositorBridgeParentBase* GetCompositorBridge() { return mBridge; }
      79             : 
      80             :   WrRenderedEpochs* FlushRenderedEpochs();
      81             : 
      82             :   RenderTextureHost* GetRenderTexture(WrExternalImageId aExternalImageId);
      83             : 
      84           0 :   WrRenderer* GetWrRenderer() { return mWrRenderer; }
      85             : 
      86             : protected:
      87             : 
      88             :   RefPtr<RenderThread> mThread;
      89             :   RefPtr<gl::GLContext> mGL;
      90             :   RefPtr<widget::CompositorWidget> mWidget;
      91             :   WrRenderer* mWrRenderer;
      92             :   layers::CompositorBridgeParentBase* mBridge;
      93             :   wr::WindowId mWindowId;
      94             : };
      95             : 
      96             : } // namespace wr
      97             : } // namespace mozilla
      98             : 
      99             : #endif