src/gallium/state_trackers/dri/common/dri_context.h

   1 /**************************************************************************
   2  *
   3  * Copyright (C) 2009 VMware, Inc.
   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,
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  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.
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  25  *
  26  **************************************************************************/
  27 /*
  28  * Author: Keith Whitwell <keithw@vmware.com>
  29  * Author: Jakob Bornecrantz <wallbraker@gmail.com>
  30  */
  31
  32 #ifndef DRI_CONTEXT_H
  33 #define DRI_CONTEXT_H
  34
  35 #include "pipe/p_compiler.h"
  36 #include "dri_wrapper.h"
  37
  38 struct pipe_context;
  39 struct pipe_fence;
  40 struct st_context;
  41 struct dri_drawable;
  42
  43 struct dri_context
  44 {
  45    /* dri */
  46    __DRIscreen *sPriv;
  47    __DRIcontext *cPriv;
  48    __DRIdrawable *dPriv;
  49    __DRIdrawable *rPriv;
  50
  51    driOptionCache optionCache;
  52
  53    drmLock *lock;
  54    boolean isLocked;
  55    boolean stLostLock;
  56    boolean wsLostLock;
  57
  58    unsigned int bind_count;
  59
  60    /* gallium */
  61    struct st_context_iface *st;
  62
  63    /* hooks filled in by dri2 & drisw */
  64    __DRIimage * (*lookup_egl_image)(struct dri_context *ctx, void *handle);
  65 };
  66
  67 static INLINE struct dri_context *
  68 dri_context(__DRIcontext * driContextPriv)
  69 {
  70    if (!driContextPriv)
  71      return NULL;
  72    return (struct dri_context *)driContextPriv->driverPrivate;
  73 }
  74
  75 /***********************************************************************
  76  * dri_context.c
  77  */
  78 void dri_destroy_context(__DRIcontext * driContextPriv);
  79
  80 boolean dri_unbind_context(__DRIcontext * driContextPriv);
  81
  82 boolean
  83 dri_make_current(__DRIcontext * driContextPriv,
  84                  __DRIdrawable * driDrawPriv,
  85                  __DRIdrawable * driReadPriv);
  86
  87 struct dri_context *
  88 dri_get_current(__DRIscreen * driScreenPriv);
  89
  90 boolean
  91 dri_create_context(gl_api api,
  92                    const __GLcontextModes * visual,
  93                    __DRIcontext * driContextPriv,
  94                    void *sharedContextPrivate);
  95
  96 #endif
  97
  98 /* vim: set sw=3 ts=8 sts=3 expandtab: */