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      1 /*
      2  * Copyright 2014, 2015 Red Hat.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 #ifndef VIRGL_H
     24 #define VIRGL_H
     25 
     26 #include "pipe/p_screen.h"
     27 #include "util/slab.h"
     28 #include "virgl_winsys.h"
     29 
     30 struct virgl_screen {
     31    struct pipe_screen base;
     32 
     33    int refcnt;
     34 
     35    /* place for winsys to stash it's own stuff: */
     36    void *winsys_priv;
     37 
     38    struct virgl_winsys *vws;
     39 
     40    struct virgl_drm_caps caps;
     41 
     42    struct slab_parent_pool texture_transfer_pool;
     43 
     44    uint32_t sub_ctx_id;
     45 };
     46 
     47 
     48 static inline struct virgl_screen *
     49 virgl_screen(struct pipe_screen *pipe)
     50 {
     51    return (struct virgl_screen *)pipe;
     52 }
     53 
     54 #define VIRGL_MAP_BUFFER_ALIGNMENT 64
     55 
     56 #endif
     57