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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 GLCONTEXTGLX_H_
#define GLCONTEXTGLX_H_
#include "GLContext.h"
#include "GLXLibrary.h"
#include "mozilla/X11Util.h"
namespace mozilla {
namespace gl {
class GLContextGLX : public GLContext
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextGLX, override)
static already_AddRefed<GLContextGLX>
CreateGLContext(CreateContextFlags flags,
const SurfaceCaps& caps,
GLContextGLX* shareContext,
bool isOffscreen,
Display* display,
GLXDrawable drawable,
GLXFBConfig cfg,
Drawable ownedPixmap = X11None,
ContextProfile profile = ContextProfile::OpenGLCompatibility);
// Finds a GLXFBConfig compatible with the provided window.
static bool
FindFBConfigForWindow(Display* display, int screen, Window window,
ScopedXFree<GLXFBConfig>* const out_scopedConfigArr,
GLXFBConfig* const out_config, int* const out_visid);
~GLContextGLX();
virtual GLContextType GetContextType() const override { return GLContextType::GLX; }
static GLContextGLX* Cast(GLContext* gl) {
MOZ_ASSERT(gl->GetContextType() == GLContextType::GLX);
return static_cast<GLContextGLX*>(gl);
}
bool Init() override;
virtual bool MakeCurrentImpl(bool aForce) override;
virtual bool IsCurrent() override;
virtual bool SetupLookupFunction() override;
virtual bool IsDoubleBuffered() const override;
virtual bool SupportsRobustness() const override;
virtual bool SwapBuffers() override;
virtual void GetWSIInfo(nsCString* const out) const override;
// Overrides the current GLXDrawable backing the context and makes the
// context current.
bool OverrideDrawable(GLXDrawable drawable);
// Undoes the effect of a drawable override.
bool RestoreDrawable();
private:
friend class GLContextProviderGLX;
GLContextGLX(CreateContextFlags flags,
const SurfaceCaps& caps,
GLContext* shareContext,
bool isOffscreen,
Display* aDisplay,
GLXDrawable aDrawable,
GLXContext aContext,
bool aDoubleBuffered,
ContextProfile profile,
Drawable aOwnedPixmap = X11None);
GLXContext mContext;
Display* mDisplay;
GLXDrawable mDrawable;
Maybe<GLXDrawable> mOverrideDrawable;
// The X pixmap associated with the GLX pixmap. If this is provided, then
// this class assumes responsibility for freeing both. Otherwise, the
// user of this class is responsibile for freeing the drawables.
const Drawable mOwnedPixmap;
bool mDoubleBuffered;
GLXLibrary* mGLX;
bool mOwnsContext;
};
} // namespace gl
} // namespace mozilla
#endif // GLCONTEXTGLX_H_
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