Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  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. #include "os/os_thread.h"
  42. #include "pipebuffer/pb_buffer.h"
  43.  
  44. #define VMW_MAX_PRESENTS 3
  45.  
  46.  
  47.  
  48. struct vmw_svga_winsys_surface
  49. {
  50.    int32_t validated; /* atomic */
  51.    struct pipe_reference refcnt;
  52.  
  53.    struct vmw_winsys_screen *screen;
  54.    uint32_t sid;
  55.  
  56.    /* FIXME: make this thread safe */
  57.    unsigned next_present_no;
  58.    uint32_t present_fences[VMW_MAX_PRESENTS];
  59.  
  60.    pipe_mutex mutex;
  61.    struct svga_winsys_buffer *buf; /* Current backing guest buffer */
  62.    uint32_t mapcount; /* Number of mappers */
  63.    uint32_t map_mode; /* PIPE_TRANSFER_[READ|WRITE] */
  64.    void *data; /* Pointer to data if mapcount != 0*/
  65.    boolean shared; /* Shared surface. Never discard */
  66.    uint32_t size; /* Size of backing buffer */
  67.    boolean rebind; /* Surface needs a rebind after next unmap */
  68. };
  69.  
  70.  
  71. static INLINE struct svga_winsys_surface *
  72. svga_winsys_surface(struct vmw_svga_winsys_surface *surf)
  73. {
  74.    assert(!surf || surf->sid != SVGA3D_INVALID_ID);
  75.    return (struct svga_winsys_surface *)surf;
  76. }
  77.  
  78.  
  79. static INLINE struct vmw_svga_winsys_surface *
  80. vmw_svga_winsys_surface(struct svga_winsys_surface *surf)
  81. {
  82.    return (struct vmw_svga_winsys_surface *)surf;
  83. }
  84.  
  85.  
  86. void
  87. vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst,
  88.                                   struct vmw_svga_winsys_surface *src);
  89. void *
  90. vmw_svga_winsys_surface_map(struct svga_winsys_context *swc,
  91.                             struct svga_winsys_surface *srf,
  92.                             unsigned flags, boolean *retry);
  93. void
  94. vmw_svga_winsys_surface_unmap(struct svga_winsys_context *swc,
  95.                               struct svga_winsys_surface *srf,
  96.                               boolean *rebind);
  97.  
  98. #endif /* VMW_SURFACE_H_ */
  99.