michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef GFX_TEXTUREPOOLOGL_H
michael@0: #define GFX_TEXTUREPOOLOGL_H
michael@0: 
michael@0: #include "GLContextTypes.h"             // for GLContext, GLuint
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gl {
michael@0: 
michael@0: // A texture pool for for the on-screen GLContext. The main purpose of this class
michael@0: // is to provide the ability to easily allocate an on-screen texture from the
michael@0: // content thread. The unfortunate nature of the SurfaceTexture API (see nsSurfaceTexture)
michael@0: // necessitates this.
michael@0: class TexturePoolOGL
michael@0: {
michael@0: public:
michael@0:   // Get a new texture from the pool. Will block
michael@0:   // and wait for one to be created if necessary
michael@0:   static GLuint AcquireTexture();
michael@0: 
michael@0:   // Called by the active LayerManagerOGL to fill
michael@0:   // the pool
michael@0:   static void Fill(GLContext* aContext);
michael@0: 
michael@0:   // Initializes the pool, but does not fill it. Called by gfxPlatform init.
michael@0:   static void Init();
michael@0: 
michael@0:   // Clears all internal data structures in preparation for shutdown
michael@0:   static void Shutdown();
michael@0: };
michael@0: 
michael@0: } // gl
michael@0: } // mozilla
michael@0: 
michael@0: #endif // GFX_TEXTUREPOOLOGL_H