1 /* -*- mode: c; tab-width: 8; -*- */
2 /* vi: set sw=4 ts=8: */
3 /* Reference version of egl.h for EGL 1.4.
4  * $Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
5  */
6 
7 /*
8 ** Copyright (c) 2007-2009 The Khronos Group Inc.
9 **
10 ** Permission is hereby granted, free of charge, to any person obtaining a
11 ** copy of this software and/or associated documentation files (the
12 ** "Materials"), to deal in the Materials without restriction, including
13 ** without limitation the rights to use, copy, modify, merge, publish,
14 ** distribute, sublicense, and/or sell copies of the Materials, and to
15 ** permit persons to whom the Materials are furnished to do so, subject to
16 ** the following conditions:
17 **
18 ** The above copyright notice and this permission notice shall be included
19 ** in all copies or substantial portions of the Materials.
20 **
21 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
25 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
28 */
29 
30 #ifndef __egl_h_
31 #define __egl_h_
32 
33 /* All platform-dependent types and macro boilerplate (such as EGLAPI
34  * and EGLAPIENTRY) should go in eglplatform.h.
35  */
36 #include <EGL/eglplatform.h>
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 /* EGL Types */
43 /* EGLint is defined in eglplatform.h */
44 typedef unsigned int EGLBoolean;
45 typedef unsigned int EGLenum;
46 typedef void *EGLConfig;
47 typedef void *EGLContext;
48 typedef void *EGLDisplay;
49 typedef void *EGLSurface;
50 typedef void *EGLClientBuffer;
51 
52 /* EGL Versioning */
53 #define EGL_VERSION_1_0			1
54 #define EGL_VERSION_1_1			1
55 #define EGL_VERSION_1_2			1
56 #define EGL_VERSION_1_3			1
57 #define EGL_VERSION_1_4			1
58 
59 /* EGL Enumerants. Bitmasks and other exceptional cases aside, most
60  * enums are assigned unique values starting at 0x3000.
61  */
62 
63 /* EGL aliases */
64 #define EGL_FALSE			0
65 #define EGL_TRUE			1
66 
67 /* Out-of-band handle values */
68 #define EGL_DEFAULT_DISPLAY		((EGLNativeDisplayType)0)
69 #define EGL_NO_CONTEXT			((EGLContext)0)
70 #define EGL_NO_DISPLAY			((EGLDisplay)0)
71 #define EGL_NO_SURFACE			((EGLSurface)0)
72 
73 /* Out-of-band attribute value */
74 #define EGL_DONT_CARE			((EGLint)-1)
75 
76 /* Errors / GetError return values */
77 #define EGL_SUCCESS			0x3000
78 #define EGL_NOT_INITIALIZED		0x3001
79 #define EGL_BAD_ACCESS			0x3002
80 #define EGL_BAD_ALLOC			0x3003
81 #define EGL_BAD_ATTRIBUTE		0x3004
82 #define EGL_BAD_CONFIG			0x3005
83 #define EGL_BAD_CONTEXT			0x3006
84 #define EGL_BAD_CURRENT_SURFACE		0x3007
85 #define EGL_BAD_DISPLAY			0x3008
86 #define EGL_BAD_MATCH			0x3009
87 #define EGL_BAD_NATIVE_PIXMAP		0x300A
88 #define EGL_BAD_NATIVE_WINDOW		0x300B
89 #define EGL_BAD_PARAMETER		0x300C
90 #define EGL_BAD_SURFACE			0x300D
91 #define EGL_CONTEXT_LOST		0x300E	/* EGL 1.1 - IMG_power_management */
92 
93 /* Reserved 0x300F-0x301F for additional errors */
94 
95 /* Config attributes */
96 #define EGL_BUFFER_SIZE			0x3020
97 #define EGL_ALPHA_SIZE			0x3021
98 #define EGL_BLUE_SIZE			0x3022
99 #define EGL_GREEN_SIZE			0x3023
100 #define EGL_RED_SIZE			0x3024
101 #define EGL_DEPTH_SIZE			0x3025
102 #define EGL_STENCIL_SIZE		0x3026
103 #define EGL_CONFIG_CAVEAT		0x3027
104 #define EGL_CONFIG_ID			0x3028
105 #define EGL_LEVEL			0x3029
106 #define EGL_MAX_PBUFFER_HEIGHT		0x302A
107 #define EGL_MAX_PBUFFER_PIXELS		0x302B
108 #define EGL_MAX_PBUFFER_WIDTH		0x302C
109 #define EGL_NATIVE_RENDERABLE		0x302D
110 #define EGL_NATIVE_VISUAL_ID		0x302E
111 #define EGL_NATIVE_VISUAL_TYPE		0x302F
112 #define EGL_PRESERVED_RESOURCES		0x3030
113 #define EGL_SAMPLES			0x3031
114 #define EGL_SAMPLE_BUFFERS		0x3032
115 #define EGL_SURFACE_TYPE		0x3033
116 #define EGL_TRANSPARENT_TYPE		0x3034
117 #define EGL_TRANSPARENT_BLUE_VALUE	0x3035
118 #define EGL_TRANSPARENT_GREEN_VALUE	0x3036
119 #define EGL_TRANSPARENT_RED_VALUE	0x3037
120 #define EGL_NONE			0x3038	/* Attrib list terminator */
121 #define EGL_BIND_TO_TEXTURE_RGB		0x3039
122 #define EGL_BIND_TO_TEXTURE_RGBA	0x303A
123 #define EGL_MIN_SWAP_INTERVAL		0x303B
124 #define EGL_MAX_SWAP_INTERVAL		0x303C
125 #define EGL_LUMINANCE_SIZE		0x303D
126 #define EGL_ALPHA_MASK_SIZE		0x303E
127 #define EGL_COLOR_BUFFER_TYPE		0x303F
128 #define EGL_RENDERABLE_TYPE		0x3040
129 #define EGL_MATCH_NATIVE_PIXMAP		0x3041	/* Pseudo-attribute (not queryable) */
130 #define EGL_CONFORMANT			0x3042
131 
132 /* Reserved 0x3041-0x304F for additional config attributes */
133 
134 /* Config attribute values */
135 #define EGL_SLOW_CONFIG			0x3050	/* EGL_CONFIG_CAVEAT value */
136 #define EGL_NON_CONFORMANT_CONFIG	0x3051	/* EGL_CONFIG_CAVEAT value */
137 #define EGL_TRANSPARENT_RGB		0x3052	/* EGL_TRANSPARENT_TYPE value */
138 #define EGL_RGB_BUFFER			0x308E	/* EGL_COLOR_BUFFER_TYPE value */
139 #define EGL_LUMINANCE_BUFFER		0x308F	/* EGL_COLOR_BUFFER_TYPE value */
140 
141 /* More config attribute values, for EGL_TEXTURE_FORMAT */
142 #define EGL_NO_TEXTURE			0x305C
143 #define EGL_TEXTURE_RGB			0x305D
144 #define EGL_TEXTURE_RGBA		0x305E
145 #define EGL_TEXTURE_2D			0x305F
146 
147 /* Config attribute mask bits */
148 #define EGL_PBUFFER_BIT			0x0001	/* EGL_SURFACE_TYPE mask bits */
149 #define EGL_PIXMAP_BIT			0x0002	/* EGL_SURFACE_TYPE mask bits */
150 #define EGL_WINDOW_BIT			0x0004	/* EGL_SURFACE_TYPE mask bits */
151 #define EGL_VG_COLORSPACE_LINEAR_BIT	0x0020	/* EGL_SURFACE_TYPE mask bits */
152 #define EGL_VG_ALPHA_FORMAT_PRE_BIT	0x0040	/* EGL_SURFACE_TYPE mask bits */
153 #define EGL_MULTISAMPLE_RESOLVE_BOX_BIT 0x0200	/* EGL_SURFACE_TYPE mask bits */
154 #define EGL_SWAP_BEHAVIOR_PRESERVED_BIT 0x0400	/* EGL_SURFACE_TYPE mask bits */
155 
156 #define EGL_OPENGL_ES_BIT		0x0001	/* EGL_RENDERABLE_TYPE mask bits */
157 #define EGL_OPENVG_BIT			0x0002	/* EGL_RENDERABLE_TYPE mask bits */
158 #define EGL_OPENGL_ES2_BIT		0x0004	/* EGL_RENDERABLE_TYPE mask bits */
159 #define EGL_OPENGL_BIT			0x0008	/* EGL_RENDERABLE_TYPE mask bits */
160 
161 /* QueryString targets */
162 #define EGL_VENDOR			0x3053
163 #define EGL_VERSION			0x3054
164 #define EGL_EXTENSIONS			0x3055
165 #define EGL_CLIENT_APIS			0x308D
166 
167 /* QuerySurface / SurfaceAttrib / CreatePbufferSurface targets */
168 #define EGL_HEIGHT			0x3056
169 #define EGL_WIDTH			0x3057
170 #define EGL_LARGEST_PBUFFER		0x3058
171 #define EGL_TEXTURE_FORMAT		0x3080
172 #define EGL_TEXTURE_TARGET		0x3081
173 #define EGL_MIPMAP_TEXTURE		0x3082
174 #define EGL_MIPMAP_LEVEL		0x3083
175 #define EGL_RENDER_BUFFER		0x3086
176 #define EGL_VG_COLORSPACE		0x3087
177 #define EGL_VG_ALPHA_FORMAT		0x3088
178 #define EGL_HORIZONTAL_RESOLUTION	0x3090
179 #define EGL_VERTICAL_RESOLUTION		0x3091
180 #define EGL_PIXEL_ASPECT_RATIO		0x3092
181 #define EGL_SWAP_BEHAVIOR		0x3093
182 #define EGL_MULTISAMPLE_RESOLVE		0x3099
183 
184 /* EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets */
185 #define EGL_BACK_BUFFER			0x3084
186 #define EGL_SINGLE_BUFFER		0x3085
187 
188 /* OpenVG color spaces */
189 #define EGL_VG_COLORSPACE_sRGB		0x3089	/* EGL_VG_COLORSPACE value */
190 #define EGL_VG_COLORSPACE_LINEAR	0x308A	/* EGL_VG_COLORSPACE value */
191 
192 /* OpenVG alpha formats */
193 #define EGL_VG_ALPHA_FORMAT_NONPRE	0x308B	/* EGL_ALPHA_FORMAT value */
194 #define EGL_VG_ALPHA_FORMAT_PRE		0x308C	/* EGL_ALPHA_FORMAT value */
195 
196 /* Constant scale factor by which fractional display resolutions &
197  * aspect ratio are scaled when queried as integer values.
198  */
199 #define EGL_DISPLAY_SCALING		10000
200 
201 /* Unknown display resolution/aspect ratio */
202 #define EGL_UNKNOWN			((EGLint)-1)
203 
204 /* Back buffer swap behaviors */
205 #define EGL_BUFFER_PRESERVED		0x3094	/* EGL_SWAP_BEHAVIOR value */
206 #define EGL_BUFFER_DESTROYED		0x3095	/* EGL_SWAP_BEHAVIOR value */
207 
208 /* CreatePbufferFromClientBuffer buffer types */
209 #define EGL_OPENVG_IMAGE		0x3096
210 
211 /* QueryContext targets */
212 #define EGL_CONTEXT_CLIENT_TYPE		0x3097
213 
214 /* CreateContext attributes */
215 #define EGL_CONTEXT_CLIENT_VERSION	0x3098
216 
217 /* Multisample resolution behaviors */
218 #define EGL_MULTISAMPLE_RESOLVE_DEFAULT 0x309A	/* EGL_MULTISAMPLE_RESOLVE value */
219 #define EGL_MULTISAMPLE_RESOLVE_BOX	0x309B	/* EGL_MULTISAMPLE_RESOLVE value */
220 
221 /* BindAPI/QueryAPI targets */
222 #define EGL_OPENGL_ES_API		0x30A0
223 #define EGL_OPENVG_API			0x30A1
224 #define EGL_OPENGL_API			0x30A2
225 
226 /* GetCurrentSurface targets */
227 #define EGL_DRAW			0x3059
228 #define EGL_READ			0x305A
229 
230 /* WaitNative engines */
231 #define EGL_CORE_NATIVE_ENGINE		0x305B
232 
233 /* EGL 1.2 tokens renamed for consistency in EGL 1.3 */
234 #define EGL_COLORSPACE			EGL_VG_COLORSPACE
235 #define EGL_ALPHA_FORMAT		EGL_VG_ALPHA_FORMAT
236 #define EGL_COLORSPACE_sRGB		EGL_VG_COLORSPACE_sRGB
237 #define EGL_COLORSPACE_LINEAR		EGL_VG_COLORSPACE_LINEAR
238 #define EGL_ALPHA_FORMAT_NONPRE		EGL_VG_ALPHA_FORMAT_NONPRE
239 #define EGL_ALPHA_FORMAT_PRE		EGL_VG_ALPHA_FORMAT_PRE
240 
241 /* EGL extensions must request enum blocks from the Khronos
242  * API Registrar, who maintains the enumerant registry. Submit
243  * a bug in Khronos Bugzilla against task "Registry".
244  */
245 
246 
247 
248 /* EGL Functions */
249 
250 EGLAPI EGLint EGLAPIENTRY eglGetError(void);
251 
252 EGLAPI EGLDisplay EGLAPIENTRY eglGetDisplay(EGLNativeDisplayType display_id);
253 EGLAPI EGLBoolean EGLAPIENTRY eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor);
254 EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy);
255 
256 EGLAPI const char * EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name);
257 
258 EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigs(EGLDisplay dpy, EGLConfig *configs,
259 			 EGLint config_size, EGLint *num_config);
260 EGLAPI EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list,
261 			   EGLConfig *configs, EGLint config_size,
262 			   EGLint *num_config);
263 EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
264 			      EGLint attribute, EGLint *value);
265 
266 EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config,
267 				  EGLNativeWindowType win,
268 				  const EGLint *attrib_list);
269 EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
270 				   const EGLint *attrib_list);
271 EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config,
272 				  EGLNativePixmapType pixmap,
273 				  const EGLint *attrib_list);
274 EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
275 EGLAPI EGLBoolean EGLAPIENTRY eglQuerySurface(EGLDisplay dpy, EGLSurface surface,
276 			   EGLint attribute, EGLint *value);
277 
278 EGLAPI EGLBoolean EGLAPIENTRY eglBindAPI(EGLenum api);
279 EGLAPI EGLenum EGLAPIENTRY eglQueryAPI(void);
280 
281 EGLAPI EGLBoolean EGLAPIENTRY eglWaitClient(void);
282 
283 EGLAPI EGLBoolean EGLAPIENTRY eglReleaseThread(void);
284 
285 EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferFromClientBuffer(
286 	      EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
287 	      EGLConfig config, const EGLint *attrib_list);
288 
289 EGLAPI EGLBoolean EGLAPIENTRY eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface,
290 			    EGLint attribute, EGLint value);
291 EGLAPI EGLBoolean EGLAPIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
292 EGLAPI EGLBoolean EGLAPIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
293 
294 
295 EGLAPI EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval);
296 
297 
298 EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config,
299 			    EGLContext share_context,
300 			    const EGLint *attrib_list);
301 EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx);
302 EGLAPI EGLBoolean EGLAPIENTRY eglMakeCurrent(EGLDisplay dpy, EGLSurface draw,
303 			  EGLSurface read, EGLContext ctx);
304 
305 EGLAPI EGLContext EGLAPIENTRY eglGetCurrentContext(void);
306 EGLAPI EGLSurface EGLAPIENTRY eglGetCurrentSurface(EGLint readdraw);
307 EGLAPI EGLDisplay EGLAPIENTRY eglGetCurrentDisplay(void);
308 EGLAPI EGLBoolean EGLAPIENTRY eglQueryContext(EGLDisplay dpy, EGLContext ctx,
309 			   EGLint attribute, EGLint *value);
310 
311 EGLAPI EGLBoolean EGLAPIENTRY eglWaitGL(void);
312 EGLAPI EGLBoolean EGLAPIENTRY eglWaitNative(EGLint engine);
313 EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
314 EGLAPI EGLBoolean EGLAPIENTRY eglCopyBuffers(EGLDisplay dpy, EGLSurface surface,
315 			  EGLNativePixmapType target);
316 
317 /* This is a generic function pointer type, whose name indicates it must
318  * be cast to the proper type *and calling convention* before use.
319  */
320 typedef void (*__eglMustCastToProperFunctionPointerType)(void);
321 
322 /* Now, define eglGetProcAddress using the generic function ptr. type */
323 EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY
324        eglGetProcAddress(const char *procname);
325 
326 #ifdef __cplusplus
327 }
328 #endif
329 
330 #endif /* __egl_h_ */
331