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      1 /*
      2  * Mesa 3-D graphics library
      3  * Version:  7.9
      4  *
      5  * Copyright (C) 2010 LunarG Inc.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included
     15  * in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     23  * DEALINGS IN THE SOFTWARE.
     24  *
     25  * Authors:
     26  *    Chia-I Wu <olv (at) lunarg.com>
     27  */
     28 
     29 #ifndef _NATIVE_BUFFER_H_
     30 #define _NATIVE_BUFFER_H_
     31 
     32 #include "pipe/p_compiler.h"
     33 #include "pipe/p_state.h"
     34 
     35 struct native_display;
     36 struct ANativeWindowBuffer;
     37 
     38 enum native_buffer_type {
     39    NATIVE_BUFFER_DRM,
     40    NATIVE_BUFFER_ANDROID,
     41 
     42    NUM_NATIVE_BUFFERS
     43 };
     44 
     45 struct native_buffer {
     46    enum native_buffer_type type;
     47 
     48    union {
     49       struct {
     50          struct pipe_resource templ;
     51          unsigned name;   /**< the name of the GEM object */
     52          unsigned handle; /**< the handle of the GEM object */
     53          unsigned stride;
     54       } drm;
     55 
     56       struct ANativeWindowBuffer *android; /**< opaque native buffer */
     57    } u;
     58 };
     59 
     60 /**
     61  * Buffer interface of the native display.  It allows native buffers to be
     62  * imported and exported.
     63  */
     64 struct native_display_buffer {
     65    struct pipe_resource *(*import_buffer)(struct native_display *ndpy,
     66                                           struct native_buffer *buf);
     67 
     68    /**
     69     * The resource must be creatred with PIPE_BIND_SHARED.
     70     */
     71    boolean (*export_buffer)(struct native_display *ndpy,
     72                             struct pipe_resource *res,
     73                             struct native_buffer *nbuf);
     74 };
     75 
     76 #endif /* _NATIVE_BUFFER_H_ */
     77