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  1. /**********************************************************
  2.  * Copyright 2009 VMware, Inc.  All rights reserved.
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person
  5.  * obtaining a copy of this software and associated documentation
  6.  * files (the "Software"), to deal in the Software without
  7.  * restriction, including without limitation the rights to use, copy,
  8.  * modify, merge, publish, distribute, sublicense, and/or sell copies
  9.  * of the Software, and to permit persons to whom the Software is
  10.  * furnished to do so, subject to the following conditions:
  11.  *
  12.  * The above copyright notice and this permission notice shall be
  13.  * included in all copies or substantial portions of the Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18.  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19.  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20.  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22.  * SOFTWARE.
  23.  *
  24.  **********************************************************/
  25.  
  26. /**
  27.  * @file
  28.  * Surfaces for VMware SVGA winsys.
  29.  *
  30.  * @author Jose Fonseca <jfonseca@vmware.com>
  31.  */
  32.  
  33.  
  34. #ifndef VMW_SURFACE_H_
  35. #define VMW_SURFACE_H_
  36.  
  37.  
  38. #include "pipe/p_compiler.h"
  39. #include "util/u_atomic.h"
  40. #include "util/u_inlines.h"
  41.  
  42. #define VMW_MAX_PRESENTS 3
  43.  
  44.  
  45.  
  46. struct vmw_svga_winsys_surface
  47. {
  48.    int32_t validated; /* atomic */
  49.    struct pipe_reference refcnt;
  50.  
  51.    struct vmw_winsys_screen *screen;
  52.    uint32_t sid;
  53.  
  54.    /* FIXME: make this thread safe */
  55.    unsigned next_present_no;
  56.    uint32_t present_fences[VMW_MAX_PRESENTS];
  57. };
  58.  
  59.  
  60. static INLINE struct svga_winsys_surface *
  61. svga_winsys_surface(struct vmw_svga_winsys_surface *surf)
  62. {
  63.    assert(!surf || surf->sid != SVGA3D_INVALID_ID);
  64.    return (struct svga_winsys_surface *)surf;
  65. }
  66.  
  67.  
  68. static INLINE struct vmw_svga_winsys_surface *
  69. vmw_svga_winsys_surface(struct svga_winsys_surface *surf)
  70. {
  71.    return (struct vmw_svga_winsys_surface *)surf;
  72. }
  73.  
  74.  
  75. void
  76. vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst,
  77.                                   struct vmw_svga_winsys_surface *src);
  78.  
  79. #endif /* VMW_SURFACE_H_ */
  80.