src/gallium/auxiliary/pipebuffer/pb_validate.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
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  26  **************************************************************************/
  27
  28 /**
  29  * @file
  30  * Buffer validation.
  31  *
  32  * @author Jose Fonseca <jfonseca@vmware.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 struct hash_table;
  50
  51
  52 /**
  53  * Buffer validation list.
  54  *
  55  * It holds a list of buffers to be validated and fenced when flushing.
  56  */
  57 struct pb_validate;
  58
  59
  60 enum pipe_error
  61 pb_validate_add_buffer(struct pb_validate *vl,
  62                        struct pb_buffer *buf,
  63                        enum pb_usage_flags flags,
  64                        struct hash_table *ht,
  65                        boolean *already_present);
  66
  67 enum pipe_error
  68 pb_validate_foreach(struct pb_validate *vl,
  69                     enum pipe_error (*callback)(struct pb_buffer *buf, void *data),
  70                     void *data);
  71
  72 /**
  73  * Validate all buffers for hardware access.
  74  *
  75  * Should be called right before issuing commands to the hardware.
  76  */
  77 enum pipe_error
  78 pb_validate_validate(struct pb_validate *vl);
  79
  80 /**
  81  * Fence all buffers and clear the list.
  82  *
  83  * Should be called right after issuing commands to the hardware.
  84  */
  85 void
  86 pb_validate_fence(struct pb_validate *vl,
  87                   struct pipe_fence_handle *fence);
  88
  89 struct pb_validate *
  90 pb_validate_create(void);
  91
  92 void
  93 pb_validate_destroy(struct pb_validate *vl);
  94
  95
  96 #ifdef __cplusplus
  97 }
  98 #endif
  99
 100 #endif /*PB_VALIDATE_H_*/