The Tor Browser: gfx/gl/SkiaGLGlue.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3 * License, v. 2.0. If a copy of the MPL was not distributed with this

     4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "mozilla/RefPtr.h"

     8 #ifdef USE_SKIA_GPU

    10 #include "GLContext.h"

    11 #include "skia/GrGLInterface.h"

    12 #include "skia/GrContext.h"

    14 namespace mozilla {

    15 namespace gl {

    17 class SkiaGLGlue : public GenericAtomicRefCounted

    18 {

    19 public:

    20   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SkiaGLGlue)

    21   SkiaGLGlue(GLContext* context);

    22   GLContext* GetGLContext() const { return mGLContext.get(); }

    23   GrContext* GetGrContext() const { return mGrContext.get(); }

    25 protected:

    26   virtual ~SkiaGLGlue() {

    27     /*

    28      * These members have inter-dependencies, but do not keep each other alive, so

    29      * destruction order is very important here: mGrContext uses mGrGLInterface, and

    30      * through it, uses mGLContext

    31      */

    32     mGrContext = nullptr;

    33     mGrGLInterface = nullptr;

    34     mGLContext = nullptr;

    35   }

    37 private:

    38   RefPtr<GLContext> mGLContext;

    39   SkRefPtr<GrGLInterface> mGrGLInterface;

    40   SkRefPtr<GrContext> mGrContext;

    41 };

    43 }

    44 }

    46 #else

    48 class GrContext;

    50 namespace mozilla {

    51 namespace gl {

    53 class GLContext;

    55 class SkiaGLGlue : public GenericAtomicRefCounted

    56 {

    57 public:

    58   SkiaGLGlue(GLContext* context);

    59   GLContext* GetGLContext() const { return nullptr; }

    60   GrContext* GetGrContext() const { return nullptr; }

    61 };

    62 }

    63 }

    65 #endif

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