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

   1 /**************************************************************************
   2  *
   3  * Copyright 2009, VMware, Inc.
   4  * All Rights Reserved.
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   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
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  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
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  26  **************************************************************************/
  27 /*
  28  * Author: Keith Whitwell <keithw@vmware.com>
  29  * Author: Jakob Bornecrantz <wallbraker@gmail.com>
  30  */
  31
  32 #ifndef DRI_SCREEN_H
  33 #define DRI_SCREEN_H
  34
  35 #include "dri_wrapper.h"
  36 #include "xmlconfig.h"
  37
  38 #include "pipe/p_compiler.h"
  39 #include "pipe/p_context.h"
  40 #include "pipe/p_state.h"
  41 #include "state_tracker/st_api.h"
  42
  43 struct dri_context;
  44 struct dri_drawable;
  45
  46 struct dri_screen
  47 {
  48    /* st_api */
  49    struct st_manager base;
  50    struct st_api *st_api;
  51
  52    /* on old libGL's invalidate doesn't get called as it should */
  53    boolean broken_invalidate;
  54
  55    /* dri */
  56    __DRIscreen *sPriv;
  57
  58    /**
  59     * Configuration cache with default values for all contexts
  60     */
  61    driOptionCache optionCache;
  62
  63    /* drm */
  64    int fd;
  65    drmLock *drmLock;
  66
  67    /* gallium */
  68    boolean d_depth_bits_last;
  69    boolean sd_depth_bits_last;
  70    boolean auto_fake_front;
  71 };
  72
  73 /** cast wrapper */
  74 static INLINE struct dri_screen *
  75 dri_screen(__DRIscreen * sPriv)
  76 {
  77    return (struct dri_screen *)sPriv->private;
  78 }
  79
  80 struct __DRIimageRec {
  81    struct pipe_resource *texture;
  82    unsigned face;
  83    unsigned level;
  84    unsigned zslice;
  85
  86    void *loader_private;
  87 };
  88
  89 #ifndef __NOT_HAVE_DRM_H
  90
  91 static INLINE boolean
  92 dri_with_format(__DRIscreen * sPriv)
  93 {
  94    const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
  95
  96    return loader
  97        && (loader->base.version >= 3)
  98        && (loader->getBuffersWithFormat != NULL);
  99 }
 100
 101 #else
 102
 103 static INLINE boolean
 104 dri_with_format(__DRIscreen * sPriv)
 105 {
 106    return TRUE;
 107 }
 108
 109 #endif
 110
 111 void
 112 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
 113                    const __GLcontextModes *mode);
 114
 115 const __DRIconfig **
 116 dri_init_screen_helper(struct dri_screen *screen,
 117                        struct pipe_screen *pscreen,
 118                        unsigned pixel_bits);
 119
 120 void
 121 dri_destroy_screen_helper(struct dri_screen * screen);
 122
 123 void
 124 dri_destroy_screen(__DRIscreen * sPriv);
 125
 126 #endif
 127
 128 /* vim: set sw=3 ts=8 sts=3 expandtab: */