gecko-dev/gfx/gl/GLContextWGL.h

80 строки
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GLCONTEXTWGL_H_
#define GLCONTEXTWGL_H_
#include "GLContext.h"
#include "WGLLibrary.h"
namespace mozilla {
namespace gl {
class GLContextWGL : public GLContext
{
public:
// From Window: (possibly for offscreen!)
GLContextWGL(const SurfaceCaps& caps,
GLContext* sharedContext,
bool isOffscreen,
HDC aDC,
HGLRC aContext,
HWND aWindow = nullptr);
// From PBuffer
GLContextWGL(const SurfaceCaps& caps,
GLContext* sharedContext,
bool isOffscreen,
HANDLE aPbuffer,
HDC aDC,
HGLRC aContext,
int aPixelFormat);
~GLContextWGL();
virtual GLContextType GetContextType() MOZ_OVERRIDE { return GLContextType::WGL; }
static GLContextWGL* Cast(GLContext* gl) {
MOZ_ASSERT(gl->GetContextType() == GLContextType::WGL);
return static_cast<GLContextWGL*>(gl);
}
bool Init();
bool MakeCurrentImpl(bool aForce = false);
virtual bool IsCurrent();
void SetIsDoubleBuffered(bool aIsDB);
virtual bool IsDoubleBuffered();
bool SupportsRobustness();
virtual bool SwapBuffers();
bool SetupLookupFunction();
bool ResizeOffscreen(const gfx::IntSize& aNewSize);
HGLRC Context() { return mContext; }
protected:
friend class GLContextProviderWGL;
HDC mDC;
HGLRC mContext;
HWND mWnd;
HANDLE mPBuffer;
int mPixelFormat;
bool mIsDoubleBuffered;
};
}
}
#endif // GLCONTEXTWGL_H_