src/mesa/drivers/dri/common/dri_bufpool.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  *
  27  **************************************************************************/
  28 /*
  29  * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
  30  */
  31
  32 #ifndef _DRI_BUFPOOL_H_
  33 #define _DRI_BUFPOOL_H_
  34
  35 #include <xf86drm.h>
  36 struct _DriFenceObject;
  37
  38 typedef struct _DriBufferPool
  39 {
  40    int fd;
  41    int (*map) (struct _DriBufferPool * pool, void *private,
  42                unsigned flags, int hint, void **virtual);
  43    int (*unmap) (struct _DriBufferPool * pool, void *private);
  44    int (*destroy) (struct _DriBufferPool * pool, void *private);
  45    unsigned long (*offset) (struct _DriBufferPool * pool, void *private);
  46    unsigned (*flags) (struct _DriBufferPool * pool, void *private);
  47    unsigned long (*size) (struct _DriBufferPool * pool, void *private);
  48    void *(*create) (struct _DriBufferPool * pool, unsigned long size,
  49                     unsigned flags, unsigned hint, unsigned alignment);
  50    int (*fence) (struct _DriBufferPool * pool, void *private,
  51                  struct _DriFenceObject * fence);
  52    drmBO *(*kernel) (struct _DriBufferPool * pool, void *private);
  53    int (*validate) (struct _DriBufferPool * pool, void *private);
  54    void *(*setstatic) (struct _DriBufferPool * pool, unsigned long offset,
  55                        unsigned long size, void *virtual, unsigned flags);
  56    int (*waitIdle) (struct _DriBufferPool *pool, void *private,
  57                     int lazy);
  58    void (*takeDown) (struct _DriBufferPool * pool);
  59    void *data;
  60 } DriBufferPool;
  61
  62 extern void bmError(int val, const char *file, const char *function,
  63                     int line);
  64 #define BM_CKFATAL(val)                                        \
  65   do{                                                          \
  66     int tstVal = (val);                                        \
  67     if (tstVal)                                                \
  68       bmError(tstVal, __FILE__, __FUNCTION__, __LINE__);       \
  69   } while(0);
  70
  71
  72
  73
  74
  75 /*
  76  * Builtin pools.
  77  */
  78
  79 /*
  80  * Kernel buffer objects. Size in multiples of page size. Page size aligned.
  81  */
  82
  83 extern struct _DriBufferPool *driDRMPoolInit(int fd);
  84 extern struct _DriBufferPool *driDRMStaticPoolInit(int fd);
  85
  86 #endif