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

   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 #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 #define VMW_BUFFER_USAGE_SHARED    (1 << 20)
  37 #define VMW_BUFFER_USAGE_SYNC      (1 << 21)
  38
  39 struct SVGAGuestPtr;
  40 struct pb_buffer;
  41 struct pb_manager;
  42 struct svga_winsys_buffer;
  43 struct svga_winsys_surface;
  44 struct vmw_winsys_screen;
  45
  46 struct vmw_buffer_desc {
  47    struct pb_desc pb_desc;
  48    struct vmw_region *region;
  49 };
  50
  51
  52 #ifdef DEBUG
  53
  54 struct pb_buffer *
  55 vmw_pb_buffer(struct svga_winsys_buffer *buffer);
  56 struct svga_winsys_buffer *
  57 vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer);
  58 struct debug_flush_buf *
  59 vmw_debug_flush_buf(struct svga_winsys_buffer *buffer);
  60
  61 #else
  62 static INLINE struct pb_buffer *
  63 vmw_pb_buffer(struct svga_winsys_buffer *buffer)
  64 {
  65    assert(buffer);
  66    return (struct pb_buffer *)buffer;
  67 }
  68
  69
  70 static INLINE struct svga_winsys_buffer *
  71 vmw_svga_winsys_buffer_wrap(struct pb_buffer *buffer)
  72 {
  73    return (struct svga_winsys_buffer *)buffer;
  74 }
  75 #endif
  76
  77 void
  78 vmw_svga_winsys_buffer_destroy(struct svga_winsys_screen *sws,
  79                                struct svga_winsys_buffer *buf);
  80 void *
  81 vmw_svga_winsys_buffer_map(struct svga_winsys_screen *sws,
  82                            struct svga_winsys_buffer *buf,
  83                            unsigned flags);
  84
  85 void
  86 vmw_svga_winsys_buffer_unmap(struct svga_winsys_screen *sws,
  87                              struct svga_winsys_buffer *buf);
  88
  89 struct pb_manager *
  90 vmw_gmr_bufmgr_create(struct vmw_winsys_screen *vws);
  91
  92 boolean
  93 vmw_gmr_bufmgr_region_ptr(struct pb_buffer *buf,
  94                           struct SVGAGuestPtr *ptr);
  95
  96
  97 #endif /* VMW_BUFFER_H_ */