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