src/gallium/state_trackers/dri/dri_screen.h

   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 #include "postprocess/filters.h"
  43
  44 struct dri_context;
  45 struct dri_drawable;
  46 struct pipe_loader_device;
  47
  48 struct dri_screen
  49 {
  50    /* st_api */
  51    struct st_manager base;
  52    struct st_api *st_api;
  53
  54    /* on old libGL's invalidate doesn't get called as it should */
  55    boolean broken_invalidate;
  56
  57    /* dri */
  58    __DRIscreen *sPriv;
  59    boolean throttling_enabled;
  60    int default_throttle_frames;
  61
  62    /** Configuration cache with default values for all contexts */
  63    driOptionCache optionCacheDefaults;
  64
  65    /** The screen's effective configuration options */
  66    driOptionCache optionCache;
  67
  68    struct st_config_options options;
  69
  70    /* Which postprocessing filters are enabled. */
  71    unsigned pp_enabled[PP_FILTERS];
  72
  73    /* drm */
  74    int fd;
  75    boolean can_share_buffer;
  76
  77    struct pipe_loader_device *dev;
  78
  79    /* gallium */
  80    boolean d_depth_bits_last;
  81    boolean sd_depth_bits_last;
  82    boolean auto_fake_front;
  83    enum pipe_texture_target target;
  84
  85    /* hooks filled in by dri2 & drisw */
  86    __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
  87 };
  88
  89 /** cast wrapper */
  90 static INLINE struct dri_screen *
  91 dri_screen(__DRIscreen * sPriv)
  92 {
  93    return (struct dri_screen *)sPriv->driverPrivate;
  94 }
  95
  96 struct __DRIimageRec {
  97    struct pipe_resource *texture;
  98    unsigned level;
  99    unsigned layer;
 100    uint32_t dri_format;
 101    uint32_t dri_components;
 102
 103    void *loader_private;
 104
 105    /**
 106     * Provided by EGL_EXT_image_dma_buf_import.
 107     */
 108    enum __DRIYUVColorSpace yuv_color_space;
 109    enum __DRISampleRange sample_range;
 110    enum __DRIChromaSiting horizontal_siting;
 111    enum __DRIChromaSiting vertical_siting;
 112
 113 };
 114
 115 #ifndef __NOT_HAVE_DRM_H
 116
 117 static INLINE boolean
 118 dri_with_format(__DRIscreen * sPriv)
 119 {
 120    const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
 121
 122    return loader
 123        && (loader->base.version >= 3)
 124        && (loader->getBuffersWithFormat != NULL);
 125 }
 126
 127 #else
 128
 129 static INLINE boolean
 130 dri_with_format(__DRIscreen * sPriv)
 131 {
 132    return TRUE;
 133 }
 134
 135 #endif
 136
 137 void
 138 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
 139                    const struct gl_config *mode);
 140
 141 const __DRIconfig **
 142 dri_init_screen_helper(struct dri_screen *screen,
 143                        struct pipe_screen *pscreen,
 144                        const char* driver_name);
 145
 146 void
 147 dri_destroy_screen_helper(struct dri_screen * screen);
 148
 149 void
 150 dri_destroy_screen(__DRIscreen * sPriv);
 151
 152 extern struct pipe_screen *kms_swrast_create_screen(int fd);
 153 extern const struct __DriverAPIRec dri_kms_driver_api;
 154
 155 extern const struct __DriverAPIRec galliumdrm_driver_api;
 156 extern const __DRIextension *galliumdrm_driver_extensions[];
 157 extern const struct __DriverAPIRec galliumsw_driver_api;
 158 extern const __DRIextension *galliumsw_driver_extensions[];
 159 extern const __DRIconfigOptionsExtension gallium_config_options;
 160
 161 #endif
 162
 163 /* vim: set sw=3 ts=8 sts=3 expandtab: */