src/gallium/winsys/svga/drm/vmw_buffer.h

   1 /**********************************************************
   2  * Copyright 2009-2015 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
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   9  * of the Software, and to permit persons to whom the Software is
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  25
  26
  27 #ifndef VMW_BUFFER_H_
  28 #define VMW_BUFFER_H_
  29
  30 #include <assert.h>
  31 #include "pipe/p_compiler.h"
  32 #include "pipebuffer/pb_bufmgr.h"
  33 #include "util/u_debug_flush.h"
  34
  35
  36 /* These extra flags are used wherever the pb_usage_flags enum type is used */
  37 #define VMW_BUFFER_USAGE_SHARED    (1 << 20)
  38 #define VMW_BUFFER_USAGE_SYNC      (1 << 21)
  39
  40 struct SVGAGuestPtr;
  41 struct pb_buffer;
  42 struct pb_manager;
  43 struct svga_winsys_buffer;
  44 struct svga_winsys_surface;
  45 struct vmw_winsys_screen;
  46
  47 struct vmw_buffer_desc {
  48    struct pb_desc pb_desc;
  49    struct vmw_region *region;
  50 };
  51
  52
  53 #ifdef DEBUG
  54
  55 struct pb_buffer *
  56 vmw_pb_buffer(struct svga_winsys_buffer *buffer);
  57 struct svga_winsys_buffer *
  58 vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer);
  59 struct debug_flush_buf *
  60 vmw_debug_flush_buf(struct svga_winsys_buffer *buffer);
  61
  62 #else
  63 static inline struct pb_buffer *
  64 vmw_pb_buffer(struct svga_winsys_buffer *buffer)
  65 {
  66    assert(buffer);
  67    return (struct pb_buffer *)buffer;
  68 }
  69
  70
  71 static inline struct svga_winsys_buffer *
  72 vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer)
  73 {
  74    return (struct svga_winsys_buffer *)buffer;
  75 }
  76 #endif
  77
  78 void
  79 vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
  80                                struct svga_winsys_buffer *buf);
  81 void *
  82 vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
  83                            struct svga_winsys_buffer *buf,
  84                            unsigned flags);
  85
  86 void
  87 vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
  88                              struct svga_winsys_buffer *buf);
  89
  90 struct pb_manager *
  91 vmw_gmr_bufmgr_create(struct vmw_winsys_screen *vws);
  92
  93 boolean
  94 vmw_gmr_bufmgr_region_ptr(struct pb_buffer *buf,
  95                           struct SVGAGuestPtr *ptr);
  96
  97
  98 #endif /* VMW_BUFFER_H_ */