Add m-esr52 at 52.6.0

1 files changed, 40 insertions, 0 deletions

diff --git a/gfx/layers/opengl/TexturePoolOGL.h b/gfx/layers/opengl/TexturePoolOGL.h
new file mode 100644
index 000000000..136364e8c
--- /dev/null
+++ b/gfx/layers/opengl/TexturePoolOGL.h
@@ -0,0 +1,40 @@
+/* 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 GFX_TEXTUREPOOLOGL_H
+#define GFX_TEXTUREPOOLOGL_H
+
+#include "GLContextTypes.h"             // for GLContext, GLuint
+
+namespace mozilla {
+namespace gl {
+
+// A texture pool for for the on-screen GLContext. The main purpose of this class
+// is to provide the ability to easily allocate an on-screen texture from the
+// content thread. The unfortunate nature of the SurfaceTexture API (see AndroidSurfaceTexture)
+// necessitates this.
+class TexturePoolOGL
+{
+public:
+  // Get a new texture from the pool. Will block
+  // and wait for one to be created if necessary
+  static GLuint AcquireTexture();
+
+  // Called by the active LayerManagerOGL to fill
+  // the pool
+  static void Fill(GLContext* aContext);
+
+  static GLContext* GetGLContext();
+
+  // Initializes the pool, but does not fill it. Called by gfxPlatform init.
+  static void Init();
+
+  // Clears all internal data structures in preparation for shutdown
+  static void Shutdown();
+};
+
+} // namespace gl
+} // namespace mozilla
+
+#endif // GFX_TEXTUREPOOLOGL_H