Add m-esr52 at 52.6.0

1 files changed, 99 insertions, 0 deletions

diff --git a/gfx/gl/GLContextGLX.h b/gfx/gl/GLContextGLX.h
new file mode 100644
index 000000000..ca476baec
--- /dev/null
+++ b/gfx/gl/GLContextGLX.h
@@ -0,0 +1,99 @@
+/* -*- 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 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,
+                    bool deleteDrawable,
+                    gfxXlibSurface* pixmap = nullptr,
+                    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;
+
+    // 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 aDeleteDrawable,
+                 bool aDoubleBuffered,
+                 gfxXlibSurface* aPixmap,
+                 ContextProfile profile);
+
+    GLXContext mContext;
+    Display* mDisplay;
+    GLXDrawable mDrawable;
+    bool mDeleteDrawable;
+    bool mDoubleBuffered;
+
+    GLXLibrary* mGLX;
+
+    RefPtr<gfxXlibSurface> mPixmap;
+    bool mOwnsContext;
+};
+
+}
+}
+
+#endif // GLCONTEXTGLX_H_