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