The Tor Browser: gfx/layers/opengl/TexturePoolOGL.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     3  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #ifndef GFX_TEXTUREPOOLOGL_H

     6 #define GFX_TEXTUREPOOLOGL_H

     8 #include "GLContextTypes.h"             // for GLContext, GLuint

    10 namespace mozilla {

    11 namespace gl {

    13 // A texture pool for for the on-screen GLContext. The main purpose of this class

    14 // is to provide the ability to easily allocate an on-screen texture from the

    15 // content thread. The unfortunate nature of the SurfaceTexture API (see nsSurfaceTexture)

    16 // necessitates this.

    17 class TexturePoolOGL

    18 {

    19 public:

    20   // Get a new texture from the pool. Will block

    21   // and wait for one to be created if necessary

    22   static GLuint AcquireTexture();

    24   // Called by the active LayerManagerOGL to fill

    25   // the pool

    26   static void Fill(GLContext* aContext);

    28   // Initializes the pool, but does not fill it. Called by gfxPlatform init.

    29   static void Init();

    31   // Clears all internal data structures in preparation for shutdown

    32   static void Shutdown();

    33 };

    35 } // gl

    36 } // mozilla

    38 #endif // GFX_TEXTUREPOOLOGL_H

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