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      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_SAMPLES			0x3031
    113 #define EGL_SAMPLE_BUFFERS		0x3032
    114 #define EGL_SURFACE_TYPE		0x3033
    115 #define EGL_TRANSPARENT_TYPE		0x3034
    116 #define EGL_TRANSPARENT_BLUE_VALUE	0x3035
    117 #define EGL_TRANSPARENT_GREEN_VALUE	0x3036
    118 #define EGL_TRANSPARENT_RED_VALUE	0x3037
    119 #define EGL_NONE			0x3038	/* Attrib list terminator */
    120 #define EGL_BIND_TO_TEXTURE_RGB		0x3039
    121 #define EGL_BIND_TO_TEXTURE_RGBA	0x303A
    122 #define EGL_MIN_SWAP_INTERVAL		0x303B
    123 #define EGL_MAX_SWAP_INTERVAL		0x303C
    124 #define EGL_LUMINANCE_SIZE		0x303D
    125 #define EGL_ALPHA_MASK_SIZE		0x303E
    126 #define EGL_COLOR_BUFFER_TYPE		0x303F
    127 #define EGL_RENDERABLE_TYPE		0x3040
    128 #define EGL_MATCH_NATIVE_PIXMAP		0x3041	/* Pseudo-attribute (not queryable) */
    129 #define EGL_CONFORMANT			0x3042
    130 
    131 /* Reserved 0x3041-0x304F for additional config attributes */
    132 
    133 /* Config attribute values */
    134 #define EGL_SLOW_CONFIG			0x3050	/* EGL_CONFIG_CAVEAT value */
    135 #define EGL_NON_CONFORMANT_CONFIG	0x3051	/* EGL_CONFIG_CAVEAT value */
    136 #define EGL_TRANSPARENT_RGB		0x3052	/* EGL_TRANSPARENT_TYPE value */
    137 #define EGL_RGB_BUFFER			0x308E	/* EGL_COLOR_BUFFER_TYPE value */
    138 #define EGL_LUMINANCE_BUFFER		0x308F	/* EGL_COLOR_BUFFER_TYPE value */
    139 
    140 /* More config attribute values, for EGL_TEXTURE_FORMAT */
    141 #define EGL_NO_TEXTURE			0x305C
    142 #define EGL_TEXTURE_RGB			0x305D
    143 #define EGL_TEXTURE_RGBA		0x305E
    144 #define EGL_TEXTURE_2D			0x305F
    145 
    146 /* Config attribute mask bits */
    147 #define EGL_PBUFFER_BIT			0x0001	/* EGL_SURFACE_TYPE mask bits */
    148 #define EGL_PIXMAP_BIT			0x0002	/* EGL_SURFACE_TYPE mask bits */
    149 #define EGL_WINDOW_BIT			0x0004	/* EGL_SURFACE_TYPE mask bits */
    150 #define EGL_VG_COLORSPACE_LINEAR_BIT	0x0020	/* EGL_SURFACE_TYPE mask bits */
    151 #define EGL_VG_ALPHA_FORMAT_PRE_BIT	0x0040	/* EGL_SURFACE_TYPE mask bits */
    152 #define EGL_MULTISAMPLE_RESOLVE_BOX_BIT 0x0200	/* EGL_SURFACE_TYPE mask bits */
    153 #define EGL_SWAP_BEHAVIOR_PRESERVED_BIT 0x0400	/* EGL_SURFACE_TYPE mask bits */
    154 
    155 #define EGL_OPENGL_ES_BIT		0x0001	/* EGL_RENDERABLE_TYPE mask bits */
    156 #define EGL_OPENVG_BIT			0x0002	/* EGL_RENDERABLE_TYPE mask bits */
    157 #define EGL_OPENGL_ES2_BIT		0x0004	/* EGL_RENDERABLE_TYPE mask bits */
    158 #define EGL_OPENGL_BIT			0x0008	/* EGL_RENDERABLE_TYPE mask bits */
    159 
    160 /* QueryString targets */
    161 #define EGL_VENDOR			0x3053
    162 #define EGL_VERSION			0x3054
    163 #define EGL_EXTENSIONS			0x3055
    164 #define EGL_CLIENT_APIS			0x308D
    165 
    166 /* QuerySurface / SurfaceAttrib / CreatePbufferSurface targets */
    167 #define EGL_HEIGHT			0x3056
    168 #define EGL_WIDTH			0x3057
    169 #define EGL_LARGEST_PBUFFER		0x3058
    170 #define EGL_TEXTURE_FORMAT		0x3080
    171 #define EGL_TEXTURE_TARGET		0x3081
    172 #define EGL_MIPMAP_TEXTURE		0x3082
    173 #define EGL_MIPMAP_LEVEL		0x3083
    174 #define EGL_RENDER_BUFFER		0x3086
    175 #define EGL_VG_COLORSPACE		0x3087
    176 #define EGL_VG_ALPHA_FORMAT		0x3088
    177 #define EGL_HORIZONTAL_RESOLUTION	0x3090
    178 #define EGL_VERTICAL_RESOLUTION		0x3091
    179 #define EGL_PIXEL_ASPECT_RATIO		0x3092
    180 #define EGL_SWAP_BEHAVIOR		0x3093
    181 #define EGL_MULTISAMPLE_RESOLVE		0x3099
    182 
    183 /* EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets */
    184 #define EGL_BACK_BUFFER			0x3084
    185 #define EGL_SINGLE_BUFFER		0x3085
    186 
    187 /* OpenVG color spaces */
    188 #define EGL_VG_COLORSPACE_sRGB		0x3089	/* EGL_VG_COLORSPACE value */
    189 #define EGL_VG_COLORSPACE_LINEAR	0x308A	/* EGL_VG_COLORSPACE value */
    190 
    191 /* OpenVG alpha formats */
    192 #define EGL_VG_ALPHA_FORMAT_NONPRE	0x308B	/* EGL_ALPHA_FORMAT value */
    193 #define EGL_VG_ALPHA_FORMAT_PRE		0x308C	/* EGL_ALPHA_FORMAT value */
    194 
    195 /* Constant scale factor by which fractional display resolutions &
    196  * aspect ratio are scaled when queried as integer values.
    197  */
    198 #define EGL_DISPLAY_SCALING		10000
    199 
    200 /* Unknown display resolution/aspect ratio */
    201 #define EGL_UNKNOWN			((EGLint)-1)
    202 
    203 /* Back buffer swap behaviors */
    204 #define EGL_BUFFER_PRESERVED		0x3094	/* EGL_SWAP_BEHAVIOR value */
    205 #define EGL_BUFFER_DESTROYED		0x3095	/* EGL_SWAP_BEHAVIOR value */
    206 
    207 /* CreatePbufferFromClientBuffer buffer types */
    208 #define EGL_OPENVG_IMAGE		0x3096
    209 
    210 /* QueryContext targets */
    211 #define EGL_CONTEXT_CLIENT_TYPE		0x3097
    212 
    213 /* CreateContext attributes */
    214 #define EGL_CONTEXT_CLIENT_VERSION	0x3098
    215 
    216 /* Multisample resolution behaviors */
    217 #define EGL_MULTISAMPLE_RESOLVE_DEFAULT 0x309A	/* EGL_MULTISAMPLE_RESOLVE value */
    218 #define EGL_MULTISAMPLE_RESOLVE_BOX	0x309B	/* EGL_MULTISAMPLE_RESOLVE value */
    219 
    220 /* BindAPI/QueryAPI targets */
    221 #define EGL_OPENGL_ES_API		0x30A0
    222 #define EGL_OPENVG_API			0x30A1
    223 #define EGL_OPENGL_API			0x30A2
    224 
    225 /* GetCurrentSurface targets */
    226 #define EGL_DRAW			0x3059
    227 #define EGL_READ			0x305A
    228 
    229 /* WaitNative engines */
    230 #define EGL_CORE_NATIVE_ENGINE		0x305B
    231 
    232 /* EGL 1.2 tokens renamed for consistency in EGL 1.3 */
    233 #define EGL_COLORSPACE			EGL_VG_COLORSPACE
    234 #define EGL_ALPHA_FORMAT		EGL_VG_ALPHA_FORMAT
    235 #define EGL_COLORSPACE_sRGB		EGL_VG_COLORSPACE_sRGB
    236 #define EGL_COLORSPACE_LINEAR		EGL_VG_COLORSPACE_LINEAR
    237 #define EGL_ALPHA_FORMAT_NONPRE		EGL_VG_ALPHA_FORMAT_NONPRE
    238 #define EGL_ALPHA_FORMAT_PRE		EGL_VG_ALPHA_FORMAT_PRE
    239 
    240 /* EGL extensions must request enum blocks from the Khronos
    241  * API Registrar, who maintains the enumerant registry. Submit
    242  * a bug in Khronos Bugzilla against task "Registry".
    243  */
    244 
    245 
    246 
    247 /* EGL Functions */
    248 
    249 EGLAPI EGLint EGLAPIENTRY eglGetError(void);
    250 
    251 EGLAPI EGLDisplay EGLAPIENTRY eglGetDisplay(EGLNativeDisplayType display_id);
    252 EGLAPI EGLBoolean EGLAPIENTRY eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor);
    253 EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy);
    254 
    255 EGLAPI const char * EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name);
    256 
    257 EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigs(EGLDisplay dpy, EGLConfig *configs,
    258 			 EGLint config_size, EGLint *num_config);
    259 EGLAPI EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list,
    260 			   EGLConfig *configs, EGLint config_size,
    261 			   EGLint *num_config);
    262 EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
    263 			      EGLint attribute, EGLint *value);
    264 
    265 EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config,
    266 				  EGLNativeWindowType win,
    267 				  const EGLint *attrib_list);
    268 EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
    269 				   const EGLint *attrib_list);
    270 EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config,
    271 				  EGLNativePixmapType pixmap,
    272 				  const EGLint *attrib_list);
    273 EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
    274 EGLAPI EGLBoolean EGLAPIENTRY eglQuerySurface(EGLDisplay dpy, EGLSurface surface,
    275 			   EGLint attribute, EGLint *value);
    276 
    277 EGLAPI EGLBoolean EGLAPIENTRY eglBindAPI(EGLenum api);
    278 EGLAPI EGLenum EGLAPIENTRY eglQueryAPI(void);
    279 
    280 EGLAPI EGLBoolean EGLAPIENTRY eglWaitClient(void);
    281 
    282 EGLAPI EGLBoolean EGLAPIENTRY eglReleaseThread(void);
    283 
    284 EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferFromClientBuffer(
    285 	      EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
    286 	      EGLConfig config, const EGLint *attrib_list);
    287 
    288 EGLAPI EGLBoolean EGLAPIENTRY eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface,
    289 			    EGLint attribute, EGLint value);
    290 EGLAPI EGLBoolean EGLAPIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
    291 EGLAPI EGLBoolean EGLAPIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
    292 
    293 
    294 EGLAPI EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval);
    295 
    296 
    297 EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config,
    298 			    EGLContext share_context,
    299 			    const EGLint *attrib_list);
    300 EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx);
    301 EGLAPI EGLBoolean EGLAPIENTRY eglMakeCurrent(EGLDisplay dpy, EGLSurface draw,
    302 			  EGLSurface read, EGLContext ctx);
    303 
    304 EGLAPI EGLContext EGLAPIENTRY eglGetCurrentContext(void);
    305 EGLAPI EGLSurface EGLAPIENTRY eglGetCurrentSurface(EGLint readdraw);
    306 EGLAPI EGLDisplay EGLAPIENTRY eglGetCurrentDisplay(void);
    307 EGLAPI EGLBoolean EGLAPIENTRY eglQueryContext(EGLDisplay dpy, EGLContext ctx,
    308 			   EGLint attribute, EGLint *value);
    309 
    310 EGLAPI EGLBoolean EGLAPIENTRY eglWaitGL(void);
    311 EGLAPI EGLBoolean EGLAPIENTRY eglWaitNative(EGLint engine);
    312 EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
    313 EGLAPI EGLBoolean EGLAPIENTRY eglCopyBuffers(EGLDisplay dpy, EGLSurface surface,
    314 			  EGLNativePixmapType target);
    315 
    316 /* This is a generic function pointer type, whose name indicates it must
    317  * be cast to the proper type *and calling convention* before use.
    318  */
    319 typedef void (*__eglMustCastToProperFunctionPointerType)(void);
    320 
    321 /* Now, define eglGetProcAddress using the generic function ptr. type */
    322 EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY
    323        eglGetProcAddress(const char *procname);
    324 
    325 #ifdef __cplusplus
    326 }
    327 #endif
    328 
    329 #endif /* __egl_h_ */
    330