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  1. /**************************************************************************
  2.  *
  3.  * Copyright 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,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  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.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  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.    boolean throttling_enabled;
  58.    int default_throttle_frames;
  59.  
  60.    /** Configuration cache with default values for all contexts */
  61.    driOptionCache optionCacheDefaults;
  62.  
  63.    /** The screen's effective configuration options */
  64.    driOptionCache optionCache;
  65.  
  66.    /* drm */
  67.    int fd;
  68.  
  69.    /* gallium */
  70.    boolean d_depth_bits_last;
  71.    boolean sd_depth_bits_last;
  72.    boolean auto_fake_front;
  73.    enum pipe_texture_target target;
  74.  
  75.    /* hooks filled in by dri2 & drisw */
  76.    __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
  77. };
  78.  
  79. /** cast wrapper */
  80. static INLINE struct dri_screen *
  81. dri_screen(__DRIscreen * sPriv)
  82. {
  83.    return (struct dri_screen *)sPriv->driverPrivate;
  84. }
  85.  
  86. struct __DRIimageRec {
  87.    struct pipe_resource *texture;
  88.    unsigned level;
  89.    unsigned layer;
  90.    uint32_t dri_format;
  91.    uint32_t dri_components;
  92.  
  93.    void *loader_private;
  94. };
  95.  
  96. #ifndef __NOT_HAVE_DRM_H
  97.  
  98. static INLINE boolean
  99. dri_with_format(__DRIscreen * sPriv)
  100. {
  101.    const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
  102.  
  103.    return loader
  104.        && (loader->base.version >= 3)
  105.        && (loader->getBuffersWithFormat != NULL);
  106. }
  107.  
  108. #else
  109.  
  110. static INLINE boolean
  111. dri_with_format(__DRIscreen * sPriv)
  112. {
  113.    return TRUE;
  114. }
  115.  
  116. #endif
  117.  
  118. void
  119. dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
  120.                    const struct gl_config *mode);
  121.  
  122. const __DRIconfig **
  123. dri_init_screen_helper(struct dri_screen *screen,
  124.                        struct pipe_screen *pscreen);
  125.  
  126. void
  127. dri_destroy_screen_helper(struct dri_screen * screen);
  128.  
  129. void
  130. dri_destroy_screen(__DRIscreen * sPriv);
  131.  
  132. #endif
  133.  
  134. /* vim: set sw=3 ts=8 sts=3 expandtab: */
  135.