1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
5 * Copyright 2010-2011 LunarG, Inc.
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:
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
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.
28 **************************************************************************/
31 #ifndef EGLDISPLAY_INCLUDED
32 #define EGLDISPLAY_INCLUDED
35 #include "egltypedefs.h"
36 #include "egldefines.h"
41 enum _egl_platform_type {
42 _EGL_PLATFORM_WINDOWS,
44 _EGL_PLATFORM_WAYLAND,
49 _EGL_INVALID_PLATFORM = -1
51 typedef enum _egl_platform_type _EGLPlatformType;
54 enum _egl_resource_type {
55 _EGL_RESOURCE_CONTEXT,
56 _EGL_RESOURCE_SURFACE,
62 /* this cannot and need not go into egltypedefs.h */
63 typedef enum _egl_resource_type _EGLResourceType;
67 * A resource of a display.
71 /* which display the resource belongs to */
76 /* used to link resources of the same type */
82 * Optional EGL extensions info.
84 struct _egl_extensions
86 EGLBoolean MESA_screen_surface;
87 EGLBoolean MESA_copy_context;
88 EGLBoolean MESA_drm_display;
89 EGLBoolean MESA_drm_image;
91 EGLBoolean WL_bind_wayland_display;
93 EGLBoolean KHR_image_base;
94 EGLBoolean KHR_image_pixmap;
95 EGLBoolean KHR_vg_parent_image;
96 EGLBoolean KHR_gl_texture_2D_image;
97 EGLBoolean KHR_gl_texture_cubemap_image;
98 EGLBoolean KHR_gl_texture_3D_image;
99 EGLBoolean KHR_gl_renderbuffer_image;
101 EGLBoolean KHR_reusable_sync;
102 EGLBoolean KHR_fence_sync;
104 EGLBoolean KHR_surfaceless_gles1;
105 EGLBoolean KHR_surfaceless_gles2;
106 EGLBoolean KHR_surfaceless_opengl;
108 EGLBoolean NOK_swap_region;
109 EGLBoolean NOK_texture_from_pixmap;
115 /* used to link displays */
120 _EGLPlatformType Platform; /**< The type of the platform display */
121 void *PlatformDisplay; /**< A pointer to the platform display */
123 _EGLDriver *Driver; /**< Matched driver of the display */
124 EGLBoolean Initialized; /**< True if the display is initialized */
126 /* options that affect how the driver initializes the display */
128 EGLBoolean TestOnly; /**< Driver should not set fields when true */
129 EGLBoolean UseFallback; /**< Use fallback driver (sw or less features) */
132 /* these fields are set by the driver during init */
133 void *DriverData; /**< Driver private data */
134 EGLint VersionMajor; /**< EGL major version */
135 EGLint VersionMinor; /**< EGL minor version */
136 EGLint ClientAPIs; /**< Bitmask of APIs supported (EGL_xxx_BIT) */
137 _EGLExtensions Extensions; /**< Extensions supported */
139 /* these fields are derived from above */
140 char VersionString[1000]; /**< EGL_VERSION */
141 char ClientAPIsString[1000]; /**< EGL_CLIENT_APIS */
142 char ExtensionsString[_EGL_MAX_EXTENSIONS_LEN]; /**< EGL_EXTENSIONS */
147 /* lists of resources */
148 _EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
152 extern _EGLPlatformType
153 _eglGetNativePlatform(void);
157 _eglFiniDisplay(void);
161 _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy);
165 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
169 _eglCleanupDisplay(_EGLDisplay *disp);
173 _eglCheckDisplayHandle(EGLDisplay dpy);
177 _eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
181 * Lookup a handle to find the linked display.
182 * Return NULL if the handle has no corresponding linked display.
184 static INLINE _EGLDisplay *
185 _eglLookupDisplay(EGLDisplay display)
187 _EGLDisplay *dpy = (_EGLDisplay *) display;
188 if (!_eglCheckDisplayHandle(display))
195 * Return the handle of a linked display, or EGL_NO_DISPLAY.
197 static INLINE EGLDisplay
198 _eglGetDisplayHandle(_EGLDisplay *dpy)
200 return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
205 _eglInitResource(_EGLResource *res, EGLint size, _EGLDisplay *dpy);
209 _eglGetResource(_EGLResource *res);
213 _eglPutResource(_EGLResource *res);
217 _eglLinkResource(_EGLResource *res, _EGLResourceType type);
221 _eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
225 * Return true if the resource is linked.
227 static INLINE EGLBoolean
228 _eglIsResourceLinked(_EGLResource *res)
230 return res->IsLinked;
234 #endif /* EGLDISPLAY_INCLUDED */