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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 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(
const GLContextDesc&, std::shared_ptr<gfx::XlibDisplay> display,
GLXDrawable drawable, GLXFBConfig cfg, Drawable ownedPixmap = X11None);
static bool FindVisual(Display* display, int screen, int* const out_visualId);
// Finds a GLXFBConfig compatible with the provided window.
static bool FindFBConfigForWindow(
Display* display, int screen, Window window,
GLXFBConfig* const out_config, int* const out_visid, bool aWebRender);
virtual ~GLContextGLX();
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;
bool MakeCurrentImpl() const override;
bool IsCurrentImpl() const override;
Maybe<SymbolLoader> GetSymbolLoader() const override;
bool IsDoubleBuffered() const override;
bool SwapBuffers() override;
GLint GetBufferAge() const override;
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(const GLContextDesc&, std::shared_ptr<gfx::XlibDisplay> aDisplay,
GLXDrawable aDrawable, GLXContext aContext, bool aDoubleBuffered,
Drawable aOwnedPixmap = X11None);
const GLXContext mContext;
const std::shared_ptr<gfx::XlibDisplay> mDisplay;
const GLXDrawable mDrawable;
// 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 responsibility for freeing the drawables.
const Drawable mOwnedPixmap;
const bool mDoubleBuffered;
GLXLibrary* const mGLX;
const bool mOwnsContext = true;
};
} // namespace gl
} // namespace mozilla
#endif // GLCONTEXTGLX_H_
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