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_image_dma_buf_import_modifiers; 106 EGLBoolean EXT_pixel_format_float; 107 EGLBoolean EXT_swap_buffers_with_damage; 108 109 unsigned int IMG_context_priority; 110 #define __EGL_CONTEXT_PRIORITY_LOW_BIT 0 111 #define __EGL_CONTEXT_PRIORITY_MEDIUM_BIT 1 112 #define __EGL_CONTEXT_PRIORITY_HIGH_BIT 2 113 114 EGLBoolean KHR_cl_event2; 115 EGLBoolean KHR_config_attribs; 116 EGLBoolean KHR_context_flush_control; 117 EGLBoolean KHR_create_context; 118 EGLBoolean KHR_fence_sync; 119 EGLBoolean KHR_get_all_proc_addresses; 120 EGLBoolean KHR_gl_colorspace; 121 EGLBoolean KHR_gl_renderbuffer_image; 122 EGLBoolean KHR_gl_texture_2D_image; 123 EGLBoolean KHR_gl_texture_3D_image; 124 EGLBoolean KHR_gl_texture_cubemap_image; 125 EGLBoolean KHR_image; 126 EGLBoolean KHR_image_base; 127 EGLBoolean KHR_image_pixmap; 128 EGLBoolean KHR_no_config_context; 129 EGLBoolean KHR_partial_update; 130 EGLBoolean KHR_reusable_sync; 131 EGLBoolean KHR_surfaceless_context; 132 EGLBoolean KHR_wait_sync; 133 EGLBoolean KHR_create_context_no_error; 134 135 EGLBoolean MESA_drm_image; 136 EGLBoolean MESA_image_dma_buf_export; 137 138 EGLBoolean NOK_swap_region; 139 EGLBoolean NOK_texture_from_pixmap; 140 141 EGLBoolean NV_post_sub_buffer; 142 143 EGLBoolean WL_bind_wayland_display; 144 EGLBoolean WL_create_wayland_buffer_from_image; 145 }; 146 147 148 struct _egl_display 149 { 150 /* used to link displays */ 151 _EGLDisplay *Next; 152 153 mtx_t Mutex; 154 155 _EGLPlatformType Platform; /**< The type of the platform display */ 156 void *PlatformDisplay; /**< A pointer to the platform display */ 157 158 _EGLDriver *Driver; /**< Matched driver of the display */ 159 EGLBoolean Initialized; /**< True if the display is initialized */ 160 161 /* options that affect how the driver initializes the display */ 162 struct { 163 EGLBoolean ForceSoftware; /**< Use software path only */ 164 void *Platform; /**< Platform-specific options */ 165 } Options; 166 167 /* these fields are set by the driver during init */ 168 void *DriverData; /**< Driver private data */ 169 EGLint Version; /**< EGL version major*10+minor */ 170 EGLint ClientAPIs; /**< Bitmask of APIs supported (EGL_xxx_BIT) */ 171 _EGLExtensions Extensions; /**< Extensions supported */ 172 173 /* these fields are derived from above */ 174 char VersionString[100]; /**< EGL_VERSION */ 175 char ClientAPIsString[100]; /**< EGL_CLIENT_APIS */ 176 char ExtensionsString[_EGL_MAX_EXTENSIONS_LEN]; /**< EGL_EXTENSIONS */ 177 178 _EGLArray *Configs; 179 180 /* lists of resources */ 181 _EGLResource *ResourceLists[_EGL_NUM_RESOURCES]; 182 183 EGLLabelKHR Label; 184 }; 185 186 187 extern _EGLPlatformType 188 _eglGetNativePlatform(void *nativeDisplay); 189 190 191 extern void 192 _eglFiniDisplay(void); 193 194 195 extern _EGLDisplay * 196 _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy); 197 198 199 extern void 200 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy); 201 202 203 extern void 204 _eglCleanupDisplay(_EGLDisplay *disp); 205 206 207 extern EGLBoolean 208 _eglCheckDisplayHandle(EGLDisplay dpy); 209 210 211 extern EGLBoolean 212 _eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy); 213 214 215 /** 216 * Lookup a handle to find the linked display. 217 * Return NULL if the handle has no corresponding linked display. 218 */ 219 static inline _EGLDisplay * 220 _eglLookupDisplay(EGLDisplay display) 221 { 222 _EGLDisplay *dpy = (_EGLDisplay *) display; 223 if (!_eglCheckDisplayHandle(display)) 224 dpy = NULL; 225 return dpy; 226 } 227 228 229 /** 230 * Return the handle of a linked display, or EGL_NO_DISPLAY. 231 */ 232 static inline EGLDisplay 233 _eglGetDisplayHandle(_EGLDisplay *dpy) 234 { 235 return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY); 236 } 237 238 239 extern void 240 _eglInitResource(_EGLResource *res, EGLint size, _EGLDisplay *dpy); 241 242 243 extern void 244 _eglGetResource(_EGLResource *res); 245 246 247 extern EGLBoolean 248 _eglPutResource(_EGLResource *res); 249 250 251 extern void 252 _eglLinkResource(_EGLResource *res, _EGLResourceType type); 253 254 255 extern void 256 _eglUnlinkResource(_EGLResource *res, _EGLResourceType type); 257 258 259 /** 260 * Return true if the resource is linked. 261 */ 262 static inline EGLBoolean 263 _eglIsResourceLinked(_EGLResource *res) 264 { 265 return res->IsLinked; 266 } 267 268 #ifdef HAVE_X11_PLATFORM 269 _EGLDisplay* 270 _eglGetX11Display(Display *native_display, const EGLAttrib *attrib_list); 271 #endif 272 273 #ifdef HAVE_DRM_PLATFORM 274 struct gbm_device; 275 276 _EGLDisplay* 277 _eglGetGbmDisplay(struct gbm_device *native_display, 278 const EGLAttrib *attrib_list); 279 #endif 280 281 #ifdef HAVE_WAYLAND_PLATFORM 282 struct wl_display; 283 284 _EGLDisplay* 285 _eglGetWaylandDisplay(struct wl_display *native_display, 286 const EGLAttrib *attrib_list); 287 #endif 288 289 #ifdef HAVE_SURFACELESS_PLATFORM 290 _EGLDisplay* 291 _eglGetSurfacelessDisplay(void *native_display, 292 const EGLAttrib *attrib_list); 293 #endif 294 295 #ifdef __cplusplus 296 } 297 #endif 298 299 #endif /* EGLDISPLAY_INCLUDED */ 300
