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diff --git a/gfx/gl/GLContextGLX.h b/gfx/gl/GLContextGLX.h
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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,
+ ScopedXFree<GLXFBConfig>* const out_scopedConfigArr,
+ 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_