src/mesa/drivers/dri/common/dri_bufmgr.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  *          Keith Whitwell <keithw-at-tungstengraphics-dot-com>
  31  */
  32
  33 #ifndef _DRI_BUFMGR_H_
  34 #define _DRI_BUFMGR_H_
  35 #include <xf86drm.h>
  36
  37
  38 struct _DriFenceObject;
  39 struct _DriBufferObject;
  40 struct _DriBufferPool;
  41
  42 extern struct _DriFenceObject *driFenceBuffers(int fd, char *name,
  43                                                unsigned flags);
  44
  45 extern struct _DriFenceObject *driFenceReference(struct _DriFenceObject *fence);
  46
  47 extern void driFenceUnReference(struct _DriFenceObject *fence);
  48
  49 extern void
  50 driFenceFinish(struct _DriFenceObject *fence, unsigned type, int lazy);
  51
  52 extern int driFenceSignaled(struct _DriFenceObject *fence, unsigned type);
  53 extern unsigned driFenceType(struct _DriFenceObject *fence);
  54
  55 /*
  56  * Return a pointer to the libdrm buffer object this DriBufferObject
  57  * uses.
  58  */
  59
  60 extern drmBO *driBOKernel(struct _DriBufferObject *buf);
  61 extern void *driBOMap(struct _DriBufferObject *buf, unsigned flags,
  62                       unsigned hint);
  63 extern void driBOUnmap(struct _DriBufferObject *buf);
  64 extern unsigned long driBOOffset(struct _DriBufferObject *buf);
  65 extern unsigned driBOFlags(struct _DriBufferObject *buf);
  66 extern struct _DriBufferObject *driBOReference(struct _DriBufferObject *buf);
  67 extern void driBOUnReference(struct _DriBufferObject *buf);
  68 extern void driBOData(struct _DriBufferObject *r_buf,
  69                       unsigned size, const void *data, unsigned flags);
  70 extern void driBOSubData(struct _DriBufferObject *buf,
  71                          unsigned long offset, unsigned long size,
  72                          const void *data);
  73 extern void driBOGetSubData(struct _DriBufferObject *buf,
  74                             unsigned long offset, unsigned long size,
  75                             void *data);
  76 extern void driGenBuffers(struct _DriBufferPool *pool,
  77                           const char *name,
  78                           unsigned n,
  79                           struct _DriBufferObject *buffers[],
  80                           unsigned alignment, unsigned flags, unsigned hint);
  81 extern void driDeleteBuffers(unsigned n, struct _DriBufferObject *buffers[]);
  82 extern void driInitBufMgr(int fd);
  83 extern void driBOCreateList(int target, drmBOList * list);
  84 extern void driBOResetList(drmBOList * list);
  85 extern void driBOAddListItem(drmBOList * list, struct _DriBufferObject *buf,
  86                              unsigned flags, unsigned mask);
  87 extern void driBOValidateList(int fd, drmBOList * list);
  88
  89 extern void driBOFence(struct _DriBufferObject *buf,
  90                        struct _DriFenceObject *fence);
  91
  92 extern void driPoolTakeDown(struct _DriBufferPool *pool);
  93 extern void driBOSetStatic(struct _DriBufferObject *buf,
  94                            unsigned long offset,
  95                            unsigned long size, void *virtual, unsigned flags);
  96 extern void driBOWaitIdle(struct _DriBufferObject *buf, int lazy);
  97 extern void driPoolTakeDown(struct _DriBufferPool *pool);
  98
  99 #endif