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

   1 /**************************************************************************
   2  *
   3  * Copyright 2009, VMware, Inc.
   4  * All Rights Reserved.
   5  *
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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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  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    /* hooks filled in by dri1, dri2 & drisw */
  68    __DRIimage * (*lookup_egl_image)(struct dri_context *ctx, void *handle);
  69    void (*allocate_textures)(struct dri_drawable *drawable,
  70                              const enum st_attachment_type *statts,
  71                              unsigned count);
  72    void (*update_drawable_info)(struct dri_drawable *drawable);
  73    void (*flush_frontbuffer)(struct dri_drawable *drawable,
  74                              enum st_attachment_type statt);
  75
  76    /* gallium */
  77    boolean d_depth_bits_last;
  78    boolean sd_depth_bits_last;
  79    boolean auto_fake_front;
  80
  81    /* used only by DRI1 */
  82    struct pipe_context *dri1_pipe;
  83 };
  84
  85 /** cast wrapper */
  86 static INLINE struct dri_screen *
  87 dri_screen(__DRIscreen * sPriv)
  88 {
  89    return (struct dri_screen *)sPriv->private;
  90 }
  91
  92 struct __DRIimageRec {
  93    struct pipe_resource *texture;
  94    unsigned face;
  95    unsigned level;
  96    unsigned zslice;
  97
  98    void *loader_private;
  99 };
 100
 101 #ifndef __NOT_HAVE_DRM_H
 102
 103 static INLINE boolean
 104 dri_with_format(__DRIscreen * sPriv)
 105 {
 106    const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
 107
 108    return loader
 109        && (loader->base.version >= 3)
 110        && (loader->getBuffersWithFormat != NULL);
 111 }
 112
 113 #else
 114
 115 static INLINE boolean
 116 dri_with_format(__DRIscreen * sPriv)
 117 {
 118    return TRUE;
 119 }
 120
 121 #endif
 122
 123 void
 124 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
 125                    const __GLcontextModes *mode);
 126
 127 const __DRIconfig **
 128 dri_init_screen_helper(struct dri_screen *screen,
 129                        struct pipe_screen *pscreen,
 130                        unsigned pixel_bits);
 131
 132 void
 133 dri_destroy_screen_helper(struct dri_screen * screen);
 134
 135 #endif
 136
 137 /* vim: set sw=3 ts=8 sts=3 expandtab: */