src/egl/main/egldisplay.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
   5  * Copyright 2010-2011 LunarG, Inc.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  26  * DEALINGS IN THE SOFTWARE.
  27  *
  28  **************************************************************************/
  29
  30
  31 #ifndef EGLDISPLAY_INCLUDED
  32 #define EGLDISPLAY_INCLUDED
  33
  34 #include "c99_compat.h"
  35 #include "c11/threads.h"
  36
  37 #include "egltypedefs.h"
  38 #include "egldefines.h"
  39 #include "eglarray.h"
  40
  41
  42 enum _egl_platform_type {
  43    _EGL_PLATFORM_WINDOWS,
  44    _EGL_PLATFORM_X11,
  45    _EGL_PLATFORM_WAYLAND,
  46    _EGL_PLATFORM_DRM,
  47    _EGL_PLATFORM_NULL,
  48    _EGL_PLATFORM_ANDROID,
  49    _EGL_PLATFORM_HAIKU,
  50
  51    _EGL_NUM_PLATFORMS,
  52    _EGL_INVALID_PLATFORM = -1
  53 };
  54 typedef enum _egl_platform_type _EGLPlatformType;
  55
  56
  57 enum _egl_resource_type {
  58    _EGL_RESOURCE_CONTEXT,
  59    _EGL_RESOURCE_SURFACE,
  60    _EGL_RESOURCE_IMAGE,
  61    _EGL_RESOURCE_SYNC,
  62
  63    _EGL_NUM_RESOURCES
  64 };
  65 /* this cannot and need not go into egltypedefs.h */
  66 typedef enum _egl_resource_type _EGLResourceType;
  67
  68
  69 /**
  70  * A resource of a display.
  71  */
  72 struct _egl_resource
  73 {
  74    /* which display the resource belongs to */
  75    _EGLDisplay *Display;
  76    EGLBoolean IsLinked;
  77    EGLint RefCount;
  78
  79    /* used to link resources of the same type */
  80    _EGLResource *Next;
  81 };
  82
  83
  84 /**
  85  * Optional EGL extensions info.
  86  */
  87 struct _egl_extensions
  88 {
  89    EGLBoolean MESA_screen_surface;
  90    EGLBoolean MESA_copy_context;
  91    EGLBoolean MESA_drm_display;
  92    EGLBoolean MESA_drm_image;
  93    EGLBoolean MESA_configless_context;
  94
  95    EGLBoolean WL_bind_wayland_display;
  96    EGLBoolean WL_create_wayland_buffer_from_image;
  97
  98    EGLBoolean KHR_image_base;
  99    EGLBoolean KHR_image_pixmap;
 100    EGLBoolean KHR_vg_parent_image;
 101    EGLBoolean KHR_get_all_proc_addresses;
 102    EGLBoolean KHR_gl_texture_2D_image;
 103    EGLBoolean KHR_gl_texture_cubemap_image;
 104    EGLBoolean KHR_gl_texture_3D_image;
 105    EGLBoolean KHR_gl_renderbuffer_image;
 106
 107    EGLBoolean KHR_reusable_sync;
 108    EGLBoolean KHR_fence_sync;
 109    EGLBoolean KHR_wait_sync;
 110
 111    EGLBoolean KHR_surfaceless_context;
 112    EGLBoolean KHR_create_context;
 113
 114    EGLBoolean NOK_swap_region;
 115    EGLBoolean NOK_texture_from_pixmap;
 116
 117    EGLBoolean ANDROID_image_native_buffer;
 118
 119    EGLBoolean CHROMIUM_sync_control;
 120
 121    EGLBoolean NV_post_sub_buffer;
 122
 123    EGLBoolean EXT_create_context_robustness;
 124    EGLBoolean EXT_buffer_age;
 125    EGLBoolean EXT_swap_buffers_with_damage;
 126    EGLBoolean EXT_image_dma_buf_import;
 127
 128    EGLBoolean MESA_image_dma_buf_export;
 129 };
 130
 131
 132 struct _egl_display
 133 {
 134    /* used to link displays */
 135    _EGLDisplay *Next;
 136
 137    mtx_t Mutex;
 138
 139    _EGLPlatformType Platform; /**< The type of the platform display */
 140    void *PlatformDisplay;     /**< A pointer to the platform display */
 141
 142    _EGLDriver *Driver;        /**< Matched driver of the display */
 143    EGLBoolean Initialized;    /**< True if the display is initialized */
 144
 145    /* options that affect how the driver initializes the display */
 146    struct {
 147       EGLBoolean TestOnly;    /**< Driver should not set fields when true */
 148       EGLBoolean UseFallback; /**< Use fallback driver (sw or less features) */
 149    } Options;
 150
 151    /* these fields are set by the driver during init */
 152    void *DriverData;          /**< Driver private data */
 153    EGLint VersionMajor;       /**< EGL major version */
 154    EGLint VersionMinor;       /**< EGL minor version */
 155    EGLint ClientAPIs;         /**< Bitmask of APIs supported (EGL_xxx_BIT) */
 156    _EGLExtensions Extensions; /**< Extensions supported */
 157
 158    /* these fields are derived from above */
 159    char VersionString[100];                        /**< EGL_VERSION */
 160    char ClientAPIsString[100];                     /**< EGL_CLIENT_APIS */
 161    char ExtensionsString[_EGL_MAX_EXTENSIONS_LEN]; /**< EGL_EXTENSIONS */
 162
 163    _EGLArray *Screens;
 164    _EGLArray *Configs;
 165
 166    /* lists of resources */
 167    _EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
 168 };
 169
 170
 171 extern _EGLPlatformType
 172 _eglGetNativePlatform(void *nativeDisplay);
 173
 174
 175 extern void
 176 _eglFiniDisplay(void);
 177
 178
 179 extern _EGLDisplay *
 180 _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy);
 181
 182
 183 extern void
 184 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
 185
 186
 187 extern void
 188 _eglCleanupDisplay(_EGLDisplay *disp);
 189
 190
 191 extern EGLBoolean
 192 _eglCheckDisplayHandle(EGLDisplay dpy);
 193
 194
 195 extern EGLBoolean
 196 _eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
 197
 198
 199 /**
 200  * Lookup a handle to find the linked display.
 201  * Return NULL if the handle has no corresponding linked display.
 202  */
 203 static inline _EGLDisplay *
 204 _eglLookupDisplay(EGLDisplay display)
 205 {
 206    _EGLDisplay *dpy = (_EGLDisplay *) display;
 207    if (!_eglCheckDisplayHandle(display))
 208       dpy = NULL;
 209    return dpy;
 210 }
 211
 212
 213 /**
 214  * Return the handle of a linked display, or EGL_NO_DISPLAY.
 215  */
 216 static inline EGLDisplay
 217 _eglGetDisplayHandle(_EGLDisplay *dpy)
 218 {
 219    return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
 220 }
 221
 222
 223 extern void
 224 _eglInitResource(_EGLResource *res, EGLint size, _EGLDisplay *dpy);
 225
 226
 227 extern void
 228 _eglGetResource(_EGLResource *res);
 229
 230
 231 extern EGLBoolean
 232 _eglPutResource(_EGLResource *res);
 233
 234
 235 extern void
 236 _eglLinkResource(_EGLResource *res, _EGLResourceType type);
 237
 238
 239 extern void
 240 _eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
 241
 242
 243 /**
 244  * Return true if the resource is linked.
 245  */
 246 static inline EGLBoolean
 247 _eglIsResourceLinked(_EGLResource *res)
 248 {
 249    return res->IsLinked;
 250 }
 251
 252 #ifdef HAVE_X11_PLATFORM
 253 _EGLDisplay*
 254 _eglGetX11Display(Display *native_display, const EGLint *attrib_list);
 255 #endif
 256
 257 #ifdef HAVE_DRM_PLATFORM
 258 struct gbm_device;
 259
 260 _EGLDisplay*
 261 _eglGetGbmDisplay(struct gbm_device *native_display,
 262                   const EGLint *attrib_list);
 263 #endif
 264
 265 #ifdef HAVE_WAYLAND_PLATFORM
 266 struct wl_display;
 267
 268 _EGLDisplay*
 269 _eglGetWaylandDisplay(struct wl_display *native_display,
 270                       const EGLint *attrib_list);
 271 #endif
 272
 273 #endif /* EGLDISPLAY_INCLUDED */