1 files changed, 80 insertions, 0 deletions
diff --git a/gfx/gl/GLContextCGL.h b/gfx/gl/GLContextCGL.h
new file mode 100644
index 0000000000..b065df4554
--- /dev/null
+++ b/gfx/gl/GLContextCGL.h
@@ -0,0 +1,80 @@
+/* -*- 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 GLCONTEXTCGL_H_
+#define GLCONTEXTCGL_H_
+
+#include "GLContext.h"
+
+#include "OpenGL/OpenGL.h"
+
+#ifdef __OBJC__
+#  include <AppKit/NSOpenGL.h>
+#else
+typedef void NSOpenGLContext;
+#endif
+
+#include <CoreGraphics/CGDisplayConfiguration.h>
+
+#include "mozilla/Atomics.h"
+
+class nsIWidget;
+
+namespace mozilla {
+namespace gl {
+
+class GLContextCGL : public GLContext {
+  friend class GLContextProviderCGL;
+
+  NSOpenGLContext* mContext;
+
+  mozilla::Atomic<bool> mActiveGPUSwitchMayHaveOccurred;
+
+ public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextCGL, override)
+  GLContextCGL(const GLContextDesc&, NSOpenGLContext* context);
+
+  ~GLContextCGL();
+
+  virtual GLContextType GetContextType() const override {
+    return GLContextType::CGL;
+  }
+
+  static GLContextCGL* Cast(GLContext* gl) {
+    MOZ_ASSERT(gl->GetContextType() == GLContextType::CGL);
+    return static_cast<GLContextCGL*>(gl);
+  }
+
+  NSOpenGLContext* GetNSOpenGLContext() const { return mContext; }
+  CGLContextObj GetCGLContext() const;
+
+  // Can be called on any thread
+  static void DisplayReconfigurationCallback(CGDirectDisplayID aDisplay,
+                                             CGDisplayChangeSummaryFlags aFlags,
+                                             void* aUserInfo);
+
+  // Call at the beginning of a frame, on contexts that should stay on the
+  // active GPU. This method will migrate the context to the new active GPU, if
+  // the active GPU has changed since the last call.
+  void MigrateToActiveGPU();
+
+  virtual bool MakeCurrentImpl() const override;
+
+  virtual bool IsCurrentImpl() const override;
+
+  virtual GLenum GetPreferredARGB32Format() const override;
+
+  virtual bool SwapBuffers() override;
+
+  virtual void GetWSIInfo(nsCString* const out) const override;
+
+  Maybe<SymbolLoader> GetSymbolLoader() const override;
+};
+
+}  // namespace gl
+}  // namespace mozilla
+
+#endif  // GLCONTEXTCGL_H_