workbench/libs/mesa/src/gallium/auxiliary/pipebuffer/pb_validate.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   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 above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 /**
  29  * @file
  30  * Buffer validation.
  31  *
  32  * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
  33  */
  34
  35 #ifndef PB_VALIDATE_H_
  36 #define PB_VALIDATE_H_
  37
  38
  39 #include "pipe/p_compiler.h"
  40 #include "pipe/p_defines.h"
  41
  42 #ifdef __cplusplus
  43 extern "C" {
  44 #endif
  45
  46
  47 struct pb_buffer;
  48 struct pipe_fence_handle;
  49
  50
  51 /**
  52  * Buffer validation list.
  53  *
  54  * It holds a list of buffers to be validated and fenced when flushing.
  55  */
  56 struct pb_validate;
  57
  58
  59 enum pipe_error
  60 pb_validate_add_buffer(struct pb_validate *vl,
  61                        struct pb_buffer *buf,
  62                        unsigned flags);
  63
  64 enum pipe_error
  65 pb_validate_foreach(struct pb_validate *vl,
  66                     enum pipe_error (*callback)(struct pb_buffer *buf, void *data),
  67                     void *data);
  68
  69 /**
  70  * Validate all buffers for hardware access.
  71  *
  72  * Should be called right before issuing commands to the hardware.
  73  */
  74 enum pipe_error
  75 pb_validate_validate(struct pb_validate *vl);
  76
  77 /**
  78  * Fence all buffers and clear the list.
  79  *
  80  * Should be called right after issuing commands to the hardware.
  81  */
  82 void
  83 pb_validate_fence(struct pb_validate *vl,
  84                   struct pipe_fence_handle *fence);
  85
  86 struct pb_validate *
  87 pb_validate_create(void);
  88
  89 void
  90 pb_validate_destroy(struct pb_validate *vl);
  91
  92
  93 #ifdef __cplusplus
  94 }
  95 #endif
  96
  97 #endif /*PB_VALIDATE_H_*/