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

   1 /**************************************************************************
   2  *
   3  * Copyright 2009, VMware, Inc.
   4  * All Rights Reserved.
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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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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
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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_util.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    int default_throttle_frames;
  58
  59    /**
  60     * Configuration cache with default values for all contexts
  61     */
  62    driOptionCache optionCache;
  63
  64    /* drm */
  65    int fd;
  66
  67    /* gallium */
  68    boolean d_depth_bits_last;
  69    boolean sd_depth_bits_last;
  70    boolean auto_fake_front;
  71    enum pipe_texture_target target;
  72
  73    /* hooks filled in by dri2 & drisw */
  74    __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
  75 };
  76
  77 /** cast wrapper */
  78 static INLINE struct dri_screen *
  79 dri_screen(__DRIscreen * sPriv)
  80 {
  81    return (struct dri_screen *)sPriv->driverPrivate;
  82 }
  83
  84 struct __DRIimageRec {
  85    struct pipe_resource *texture;
  86    unsigned level;
  87    unsigned layer;
  88    uint32_t dri_format;
  89
  90    void *loader_private;
  91 };
  92
  93 #ifndef __NOT_HAVE_DRM_H
  94
  95 static INLINE boolean
  96 dri_with_format(__DRIscreen * sPriv)
  97 {
  98    const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
  99
 100    return loader
 101        && (loader->base.version >= 3)
 102        && (loader->getBuffersWithFormat != NULL);
 103 }
 104
 105 #else
 106
 107 static INLINE boolean
 108 dri_with_format(__DRIscreen * sPriv)
 109 {
 110    return TRUE;
 111 }
 112
 113 #endif
 114
 115 void
 116 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
 117                    const struct gl_config *mode);
 118
 119 const __DRIconfig **
 120 dri_init_screen_helper(struct dri_screen *screen,
 121                        struct pipe_screen *pscreen,
 122                        unsigned pixel_bits);
 123
 124 void
 125 dri_destroy_screen_helper(struct dri_screen * screen);
 126
 127 void
 128 dri_destroy_screen(__DRIscreen * sPriv);
 129
 130 #endif
 131
 132 /* vim: set sw=3 ts=8 sts=3 expandtab: */