gfx/gl/GLContextWGL.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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 GLCONTEXTWGL_H_
   8 #define GLCONTEXTWGL_H_
   9
  10 #include "GLContext.h"
  11 #include "WGLLibrary.h"
  12
  13 namespace mozilla {
  14 namespace gl {
  15
  16 class GLContextWGL final : public GLContext {
  17  public:
  18   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextWGL, override)
  19   // From Window: (possibly for offscreen!)
  20   GLContextWGL(const GLContextDesc&, HDC aDC, HGLRC aContext,
  21                HWND aWindow = nullptr);
  22
  23   // From PBuffer
  24   GLContextWGL(const GLContextDesc&, HANDLE aPbuffer, HDC aDC, HGLRC aContext,
  25                int aPixelFormat);
  26
  27   ~GLContextWGL();
  28
  29   virtual GLContextType GetContextType() const override {
  30     return GLContextType::WGL;
  31   }
  32
  33   virtual bool MakeCurrentImpl() const override;
  34   virtual bool IsCurrentImpl() const override;
  35   virtual bool IsDoubleBuffered() const override { return mIsDoubleBuffered; }
  36   virtual bool SwapBuffers() override;
  37   virtual void GetWSIInfo(nsCString* const out) const override;
  38
  39   Maybe<SymbolLoader> GetSymbolLoader() const override {
  40     return Some(sWGLLib.GetSymbolLoader());
  41   }
  42
  43   HGLRC Context() { return mContext; }
  44
  45  protected:
  46   friend class GLContextProviderWGL;
  47
  48   HDC mDC;
  49   HGLRC mContext;
  50   HWND mWnd;
  51   HANDLE mPBuffer;
  52   int mPixelFormat;
  53
  54  public:
  55   bool mIsDoubleBuffered = false;
  56 };
  57
  58 }  // namespace gl
  59 }  // namespace mozilla
  60
  61 #endif  // GLCONTEXTWGL_H_