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

   1 /**************************************************************************
   2  *
   3  * Copyright 2009, VMware, Inc.
   4  * All Rights Reserved.
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   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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  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_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 #include "state_tracker/drm_api.h"
  43
  44 struct dri_screen
  45 {
  46    /* dri */
  47    __DRIscreen *sPriv;
  48
  49    /**
  50     * Configuration cache with default values for all contexts
  51     */
  52    driOptionCache optionCache;
  53
  54    /* drm */
  55    int fd;
  56    drmLock *drmLock;
  57
  58    /* gallium */
  59    struct drm_api *api;
  60    struct pipe_winsys *pipe_winsys;
  61    struct pipe_screen *pipe_screen;
  62    boolean d_depth_bits_last;
  63    boolean sd_depth_bits_last;
  64    boolean auto_fake_front;
  65
  66    struct st_manager *smapi;
  67
  68    /* used only by DRI1 */
  69    struct pipe_context *dri1_pipe;
  70 };
  71
  72 /** cast wrapper */
  73 static INLINE struct dri_screen *
  74 dri_screen(__DRIscreen * sPriv)
  75 {
  76    return (struct dri_screen *)sPriv->private;
  77 }
  78
  79 #ifndef __NOT_HAVE_DRM_H
  80
  81 static INLINE boolean
  82 dri_with_format(__DRIscreen * sPriv)
  83 {
  84    const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
  85
  86    return loader
  87        && (loader->base.version >= 3)
  88        && (loader->getBuffersWithFormat != NULL);
  89 }
  90
  91 #else
  92
  93 static INLINE boolean
  94 dri_with_format(__DRIscreen * sPriv)
  95 {
  96    return TRUE;
  97 }
  98
  99 #endif
 100
 101 void
 102 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
 103                    const __GLcontextModes *mode);
 104
 105 const __DRIconfig **
 106 dri_init_screen_helper(struct dri_screen *screen,
 107                        struct drm_create_screen_arg *arg,
 108                        unsigned pixel_bits);
 109
 110 void
 111 dri_destroy_screen_helper(struct dri_screen * screen);
 112
 113 #endif
 114
 115 /* vim: set sw=3 ts=8 sts=3 expandtab: */