1 /************************************************************************** 2 * 3 * Copyright 2008 VMware, Inc. 4 * Copyright 2009-2010 Chia-I Wu <olvaffe (at) 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 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 enum _egl_platform_type { 47 _EGL_PLATFORM_X11, 48 _EGL_PLATFORM_WAYLAND, 49 _EGL_PLATFORM_DRM, 50 _EGL_PLATFORM_ANDROID, 51 _EGL_PLATFORM_HAIKU, 52 _EGL_PLATFORM_SURFACELESS, 53 54 _EGL_NUM_PLATFORMS, 55 _EGL_INVALID_PLATFORM = -1 56 }; 57 typedef enum _egl_platform_type _EGLPlatformType; 58 59 60 enum _egl_resource_type { 61 _EGL_RESOURCE_CONTEXT, 62 _EGL_RESOURCE_SURFACE, 63 _EGL_RESOURCE_IMAGE, 64 _EGL_RESOURCE_SYNC, 65 66 _EGL_NUM_RESOURCES 67 }; 68 /* this cannot and need not go into egltypedefs.h */ 69 typedef enum _egl_resource_type _EGLResourceType; 70 71 72 /** 73 * A resource of a display. 74 */ 75 struct _egl_resource 76 { 77 /* which display the resource belongs to */ 78 _EGLDisplay *Display; 79 EGLBoolean IsLinked; 80 EGLint RefCount; 81 82 EGLLabelKHR Label; 83 84 /* used to link resources of the same type */ 85 _EGLResource *Next; 86 }; 87 88 89 /** 90 * Optional EGL extensions info. 91 */ 92 struct _egl_extensions 93 { 94 /* Please keep these sorted alphabetically. */ 95 EGLBoolean ANDROID_framebuffer_target; 96 EGLBoolean ANDROID_image_native_buffer; 97 EGLBoolean ANDROID_native_fence_sync; 98 EGLBoolean ANDROID_recordable; 99 100 EGLBoolean CHROMIUM_sync_control; 101 102 EGLBoolean EXT_buffer_age; 103 EGLBoolean EXT_create_context_robustness; 104 EGLBoolean EXT_image_dma_buf_import; 105 EGLBoolean EXT_swap_buffers_with_damage; 106 107 EGLBoolean KHR_cl_event2; 108 EGLBoolean KHR_config_attribs; 109 EGLBoolean KHR_create_context; 110 EGLBoolean KHR_fence_sync; 111 EGLBoolean KHR_get_all_proc_addresses; 112 EGLBoolean KHR_gl_colorspace; 113 EGLBoolean KHR_gl_renderbuffer_image; 114 EGLBoolean KHR_gl_texture_2D_image; 115 EGLBoolean KHR_gl_texture_3D_image; 116 EGLBoolean KHR_gl_texture_cubemap_image; 117 EGLBoolean KHR_image_base; 118 EGLBoolean KHR_image_pixmap; 119 EGLBoolean KHR_no_config_context; 120 EGLBoolean KHR_reusable_sync; 121 EGLBoolean KHR_surfaceless_context; 122 EGLBoolean KHR_wait_sync; 123 124 EGLBoolean MESA_drm_image; 125 EGLBoolean MESA_image_dma_buf_export; 126 127 EGLBoolean NOK_swap_region; 128 EGLBoolean NOK_texture_from_pixmap; 129 130 EGLBoolean NV_post_sub_buffer; 131 132 EGLBoolean WL_bind_wayland_display; 133 EGLBoolean WL_create_wayland_buffer_from_image; 134 }; 135 136 137 struct _egl_display 138 { 139 /* used to link displays */ 140 _EGLDisplay *Next; 141 142 mtx_t Mutex; 143 144 _EGLPlatformType Platform; /**< The type of the platform display */ 145 void *PlatformDisplay; /**< A pointer to the platform display */ 146 147 _EGLDriver *Driver; /**< Matched driver of the display */ 148 EGLBoolean Initialized; /**< True if the display is initialized */ 149 150 /* options that affect how the driver initializes the display */ 151 struct { 152 EGLBoolean TestOnly; /**< Driver should not set fields when true */ 153 EGLBoolean UseFallback; /**< Use fallback driver (sw or less features) */ 154 } Options; 155 156 /* these fields are set by the driver during init */ 157 void *DriverData; /**< Driver private data */ 158 EGLint Version; /**< EGL version major*10+minor */ 159 EGLint ClientAPIs; /**< Bitmask of APIs supported (EGL_xxx_BIT) */ 160 _EGLExtensions Extensions; /**< Extensions supported */ 161 162 /* these fields are derived from above */ 163 char VersionString[100]; /**< EGL_VERSION */ 164 char ClientAPIsString[100]; /**< EGL_CLIENT_APIS */ 165 char ExtensionsString[_EGL_MAX_EXTENSIONS_LEN]; /**< EGL_EXTENSIONS */ 166 167 _EGLArray *Screens; 168 _EGLArray *Configs; 169 170 /* lists of resources */ 171 _EGLResource *ResourceLists[_EGL_NUM_RESOURCES]; 172 173 EGLLabelKHR Label; 174 }; 175 176 177 extern _EGLPlatformType 178 _eglGetNativePlatform(void *nativeDisplay); 179 180 181 extern void 182 _eglFiniDisplay(void); 183 184 185 extern _EGLDisplay * 186 _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy); 187 188 189 extern void 190 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy); 191 192 193 extern void 194 _eglCleanupDisplay(_EGLDisplay *disp); 195 196 197 extern EGLBoolean 198 _eglCheckDisplayHandle(EGLDisplay dpy); 199 200 201 extern EGLBoolean 202 _eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy); 203 204 205 /** 206 * Lookup a handle to find the linked display. 207 * Return NULL if the handle has no corresponding linked display. 208 */ 209 static inline _EGLDisplay * 210 _eglLookupDisplay(EGLDisplay display) 211 { 212 _EGLDisplay *dpy = (_EGLDisplay *) display; 213 if (!_eglCheckDisplayHandle(display)) 214 dpy = NULL; 215 return dpy; 216 } 217 218 219 /** 220 * Return the handle of a linked display, or EGL_NO_DISPLAY. 221 */ 222 static inline EGLDisplay 223 _eglGetDisplayHandle(_EGLDisplay *dpy) 224 { 225 return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY); 226 } 227 228 229 extern void 230 _eglInitResource(_EGLResource *res, EGLint size, _EGLDisplay *dpy); 231 232 233 extern void 234 _eglGetResource(_EGLResource *res); 235 236 237 extern EGLBoolean 238 _eglPutResource(_EGLResource *res); 239 240 241 extern void 242 _eglLinkResource(_EGLResource *res, _EGLResourceType type); 243 244 245 extern void 246 _eglUnlinkResource(_EGLResource *res, _EGLResourceType type); 247 248 249 /** 250 * Return true if the resource is linked. 251 */ 252 static inline EGLBoolean 253 _eglIsResourceLinked(_EGLResource *res) 254 { 255 return res->IsLinked; 256 } 257 258 #ifdef HAVE_X11_PLATFORM 259 _EGLDisplay* 260 _eglGetX11Display(Display *native_display, const EGLint *attrib_list); 261 #endif 262 263 #ifdef HAVE_DRM_PLATFORM 264 struct gbm_device; 265 266 _EGLDisplay* 267 _eglGetGbmDisplay(struct gbm_device *native_display, 268 const EGLint *attrib_list); 269 #endif 270 271 #ifdef HAVE_WAYLAND_PLATFORM 272 struct wl_display; 273 274 _EGLDisplay* 275 _eglGetWaylandDisplay(struct wl_display *native_display, 276 const EGLint *attrib_list); 277 #endif 278 279 #ifdef HAVE_SURFACELESS_PLATFORM 280 _EGLDisplay* 281 _eglGetSurfacelessDisplay(void *native_display, 282 const EGLint *attrib_list); 283 #endif 284 285 #ifdef __cplusplus 286 } 287 #endif 288 289 #endif /* EGLDISPLAY_INCLUDED */ 290
