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 #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    /* used to link resources of the same type */
  83    _EGLResource *Next;
  84 };
  85
  86
  87 /**
  88  * Optional EGL extensions info.
  89  */
  90 struct _egl_extensions
  91 {
  92    /* Please keep these sorted alphabetically. */
  93    EGLBoolean ANDROID_image_native_buffer;
  94
  95    EGLBoolean CHROMIUM_sync_control;
  96
  97    EGLBoolean EXT_buffer_age;
  98    EGLBoolean EXT_create_context_robustness;
  99    EGLBoolean EXT_image_dma_buf_import;
 100    EGLBoolean EXT_swap_buffers_with_damage;
 101
 102    EGLBoolean KHR_cl_event2;
 103    EGLBoolean KHR_create_context;
 104    EGLBoolean KHR_fence_sync;
 105    EGLBoolean KHR_get_all_proc_addresses;
 106    EGLBoolean KHR_gl_colorspace;
 107    EGLBoolean KHR_gl_renderbuffer_image;
 108    EGLBoolean KHR_gl_texture_2D_image;
 109    EGLBoolean KHR_gl_texture_3D_image;
 110    EGLBoolean KHR_gl_texture_cubemap_image;
 111    EGLBoolean KHR_image_base;
 112    EGLBoolean KHR_image_pixmap;
 113    EGLBoolean KHR_reusable_sync;
 114    EGLBoolean KHR_surfaceless_context;
 115    EGLBoolean KHR_wait_sync;
 116
 117    EGLBoolean MESA_configless_context;
 118    EGLBoolean MESA_drm_image;
 119    EGLBoolean MESA_image_dma_buf_export;
 120
 121    EGLBoolean NOK_swap_region;
 122    EGLBoolean NOK_texture_from_pixmap;
 123
 124    EGLBoolean NV_post_sub_buffer;
 125
 126    EGLBoolean WL_bind_wayland_display;
 127    EGLBoolean WL_create_wayland_buffer_from_image;
 128 };
 129
 130
 131 struct _egl_display
 132 {
 133    /* used to link displays */
 134    _EGLDisplay *Next;
 135
 136    mtx_t Mutex;
 137
 138    _EGLPlatformType Platform; /**< The type of the platform display */
 139    void *PlatformDisplay;     /**< A pointer to the platform display */
 140
 141    _EGLDriver *Driver;        /**< Matched driver of the display */
 142    EGLBoolean Initialized;    /**< True if the display is initialized */
 143
 144    /* options that affect how the driver initializes the display */
 145    struct {
 146       EGLBoolean TestOnly;    /**< Driver should not set fields when true */
 147       EGLBoolean UseFallback; /**< Use fallback driver (sw or less features) */
 148    } Options;
 149
 150    /* these fields are set by the driver during init */
 151    void *DriverData;          /**< Driver private data */
 152    EGLint Version;            /**< EGL version major*10+minor */
 153    EGLint ClientAPIs;         /**< Bitmask of APIs supported (EGL_xxx_BIT) */
 154    _EGLExtensions Extensions; /**< Extensions supported */
 155
 156    /* these fields are derived from above */
 157    char VersionString[100];                        /**< EGL_VERSION */
 158    char ClientAPIsString[100];                     /**< EGL_CLIENT_APIS */
 159    char ExtensionsString[_EGL_MAX_EXTENSIONS_LEN]; /**< EGL_EXTENSIONS */
 160
 161    _EGLArray *Screens;
 162    _EGLArray *Configs;
 163
 164    /* lists of resources */
 165    _EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
 166 };
 167
 168
 169 extern _EGLPlatformType
 170 _eglGetNativePlatform(void *nativeDisplay);
 171
 172
 173 extern void
 174 _eglFiniDisplay(void);
 175
 176
 177 extern _EGLDisplay *
 178 _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy);
 179
 180
 181 extern void
 182 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
 183
 184
 185 extern void
 186 _eglCleanupDisplay(_EGLDisplay *disp);
 187
 188
 189 extern EGLBoolean
 190 _eglCheckDisplayHandle(EGLDisplay dpy);
 191
 192
 193 extern EGLBoolean
 194 _eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
 195
 196
 197 /**
 198  * Lookup a handle to find the linked display.
 199  * Return NULL if the handle has no corresponding linked display.
 200  */
 201 static inline _EGLDisplay *
 202 _eglLookupDisplay(EGLDisplay display)
 203 {
 204    _EGLDisplay *dpy = (_EGLDisplay *) display;
 205    if (!_eglCheckDisplayHandle(display))
 206       dpy = NULL;
 207    return dpy;
 208 }
 209
 210
 211 /**
 212  * Return the handle of a linked display, or EGL_NO_DISPLAY.
 213  */
 214 static inline EGLDisplay
 215 _eglGetDisplayHandle(_EGLDisplay *dpy)
 216 {
 217    return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
 218 }
 219
 220
 221 extern void
 222 _eglInitResource(_EGLResource *res, EGLint size, _EGLDisplay *dpy);
 223
 224
 225 extern void
 226 _eglGetResource(_EGLResource *res);
 227
 228
 229 extern EGLBoolean
 230 _eglPutResource(_EGLResource *res);
 231
 232
 233 extern void
 234 _eglLinkResource(_EGLResource *res, _EGLResourceType type);
 235
 236
 237 extern void
 238 _eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
 239
 240
 241 /**
 242  * Return true if the resource is linked.
 243  */
 244 static inline EGLBoolean
 245 _eglIsResourceLinked(_EGLResource *res)
 246 {
 247    return res->IsLinked;
 248 }
 249
 250 #ifdef HAVE_X11_PLATFORM
 251 _EGLDisplay*
 252 _eglGetX11Display(Display *native_display, const EGLint *attrib_list);
 253 #endif
 254
 255 #ifdef HAVE_DRM_PLATFORM
 256 struct gbm_device;
 257
 258 _EGLDisplay*
 259 _eglGetGbmDisplay(struct gbm_device *native_display,
 260                   const EGLint *attrib_list);
 261 #endif
 262
 263 #ifdef HAVE_WAYLAND_PLATFORM
 264 struct wl_display;
 265
 266 _EGLDisplay*
 267 _eglGetWaylandDisplay(struct wl_display *native_display,
 268                       const EGLint *attrib_list);
 269 #endif
 270
 271
 272 #ifdef __cplusplus
 273 }
 274 #endif
 275
 276 #endif /* EGLDISPLAY_INCLUDED */