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egl.lua
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egl.lua
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--[[
Reference version of egl.h for EGL 1.4.
$Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
--]]
local ffi = require "ffi"
require "eglplatform"
ffi.cdef[[
/* EGL Types */
/* EGLint is defined in eglplatform */
typedef unsigned int EGLBoolean;
typedef unsigned int EGLenum;
typedef void *EGLConfig;
typedef void *EGLContext;
typedef void *EGLDisplay;
typedef void *EGLSurface;
typedef void *EGLClientBuffer;
]]
--[[ Out-of-band handle values --]]
EGL_DEFAULT_DISPLAY = ffi.cast("EGLNativeDisplayType", 0);
EGL_NO_CONTEXT = ffi.cast("EGLContext", 0);
EGL_NO_DISPLAY = ffi.cast("EGLDisplay", 0);
EGL_NO_SURFACE = ffi.cast("EGLSurface", 0);
local EGL = {
--[[ EGL Versioning --]]
EGL_VERSION_1_0 = true;
EGL_VERSION_1_1 = true;
EGL_VERSION_1_2 = true;
EGL_VERSION_1_3 = true;
EGL_VERSION_1_4 = true;
--[[
EGL Enumerants.
Bitmasks and other exceptional cases aside, most
enums are assigned unique values starting at = 0x3000.
--]]
--[[ EGL aliases --]]
EGL_FALSE = 0;
EGL_TRUE = 1;
--[[ Out-of-band attribute value --]]
EGL_DONT_CARE = -1;
--[[ Errors / GetError return values --]]
EGL_SUCCESS = 0x3000;
EGL_NOT_INITIALIZED = 0x3001;
EGL_BAD_ACCESS = 0x3002;
EGL_BAD_ALLOC = 0x3003;
EGL_BAD_ATTRIBUTE = 0x3004;
EGL_BAD_CONFIG = 0x3005;
EGL_BAD_CONTEXT = 0x3006;
EGL_BAD_CURRENT_SURFACE = 0x3007;
EGL_BAD_DISPLAY = 0x3008;
EGL_BAD_MATCH = 0x3009;
EGL_BAD_NATIVE_PIXMAP = 0x300A;
EGL_BAD_NATIVE_WINDOW = 0x300B;
EGL_BAD_PARAMETER = 0x300C;
EGL_BAD_SURFACE = 0x300D;
EGL_CONTEXT_LOST = 0x300E; --[[ EGL 1.1 - IMG_power_management --]]
--[[ Reserved = 0x300F-= 0x301F for additional errors --]]
--[[ Config attributes --]]
EGL_BUFFER_SIZE = 0x3020;
EGL_ALPHA_SIZE = 0x3021;
EGL_BLUE_SIZE = 0x3022;
EGL_GREEN_SIZE = 0x3023;
EGL_RED_SIZE = 0x3024;
EGL_DEPTH_SIZE = 0x3025;
EGL_STENCIL_SIZE = 0x3026;
EGL_CONFIG_CAVEAT = 0x3027;
EGL_CONFIG_ID = 0x3028;
EGL_LEVEL = 0x3029;
EGL_MAX_PBUFFER_HEIGHT = 0x302A;
EGL_MAX_PBUFFER_PIXELS = 0x302B;
EGL_MAX_PBUFFER_WIDTH = 0x302C;
EGL_NATIVE_RENDERABLE = 0x302D;
EGL_NATIVE_VISUAL_ID = 0x302E;
EGL_NATIVE_VISUAL_TYPE = 0x302F;
EGL_SAMPLES = 0x3031;
EGL_SAMPLE_BUFFERS = 0x3032;
EGL_SURFACE_TYPE = 0x3033;
EGL_TRANSPARENT_TYPE = 0x3034;
EGL_TRANSPARENT_BLUE_VALUE = 0x3035;
EGL_TRANSPARENT_GREEN_VALUE = 0x3036;
EGL_TRANSPARENT_RED_VALUE = 0x3037;
EGL_NONE = 0x3038; --[[ Attrib list terminator --]]
EGL_BIND_TO_TEXTURE_RGB = 0x3039;
EGL_BIND_TO_TEXTURE_RGBA = 0x303A;
EGL_MIN_SWAP_INTERVAL = 0x303B;
EGL_MAX_SWAP_INTERVAL = 0x303C;
EGL_LUMINANCE_SIZE = 0x303D;
EGL_ALPHA_MASK_SIZE = 0x303E;
EGL_COLOR_BUFFER_TYPE = 0x303F;
EGL_RENDERABLE_TYPE = 0x3040;
EGL_MATCH_NATIVE_PIXMAP = 0x3041; --[[ Pseudo-attribute (not queryable) --]]
EGL_CONFORMANT = 0x3042;
--[[ Reserved = 0x3041-= 0x304F for additional config attributes --]]
--[[ Config attribute values --]]
EGL_SLOW_CONFIG = 0x3050; --[[ EGL_CONFIG_CAVEAT value --]]
EGL_NON_CONFORMANT_CONFIG = 0x3051; --[[ EGL_CONFIG_CAVEAT value --]]
EGL_TRANSPARENT_RGB = 0x3052; --[[ EGL_TRANSPARENT_TYPE value --]]
EGL_RGB_BUFFER = 0x308E; --[[ EGL_COLOR_BUFFER_TYPE value --]]
EGL_LUMINANCE_BUFFER = 0x308F; --[[ EGL_COLOR_BUFFER_TYPE value --]]
--[[ More config attribute values, for EGL_TEXTURE_FORMAT --]]
EGL_NO_TEXTURE = 0x305C;
EGL_TEXTURE_RGB = 0x305D;
EGL_TEXTURE_RGBA = 0x305E;
EGL_TEXTURE_2D = 0x305F;
--[[ Config attribute mask bits --]]
EGL_PBUFFER_BIT = 0x0001; --[[ EGL_SURFACE_TYPE mask bits --]]
EGL_PIXMAP_BIT = 0x0002; --[[ EGL_SURFACE_TYPE mask bits --]]
EGL_WINDOW_BIT = 0x0004; --[[ EGL_SURFACE_TYPE mask bits --]]
EGL_VG_COLORSPACE_LINEAR_BIT = 0x0020; --[[ EGL_SURFACE_TYPE mask bits --]]
EGL_VG_ALPHA_FORMAT_PRE_BIT = 0x0040; --[[ EGL_SURFACE_TYPE mask bits --]]
EGL_MULTISAMPLE_RESOLVE_BOX_BIT = 0x0200; --[[ EGL_SURFACE_TYPE mask bits --]]
EGL_SWAP_BEHAVIOR_PRESERVED_BIT = 0x0400; --[[ EGL_SURFACE_TYPE mask bits --]]
EGL_OPENGL_ES_BIT = 0x0001; --[[ EGL_RENDERABLE_TYPE mask bits --]]
EGL_OPENVG_BIT = 0x0002; --[[ EGL_RENDERABLE_TYPE mask bits --]]
EGL_OPENGL_ES2_BIT = 0x0004; --[[ EGL_RENDERABLE_TYPE mask bits --]]
EGL_OPENGL_BIT = 0x0008; --[[ EGL_RENDERABLE_TYPE mask bits --]]
--[[ QueryString targets --]]
EGL_VENDOR = 0x3053;
EGL_VERSION = 0x3054;
EGL_EXTENSIONS = 0x3055;
EGL_CLIENT_APIS = 0x308D;
--[[ QuerySurface / SurfaceAttrib / CreatePbufferSurface targets --]]
EGL_HEIGHT = 0x3056;
EGL_WIDTH = 0x3057;
EGL_LARGEST_PBUFFER = 0x3058;
EGL_TEXTURE_FORMAT = 0x3080;
EGL_TEXTURE_TARGET = 0x3081;
EGL_MIPMAP_TEXTURE = 0x3082;
EGL_MIPMAP_LEVEL = 0x3083;
EGL_RENDER_BUFFER = 0x3086;
EGL_VG_COLORSPACE = 0x3087;
EGL_VG_ALPHA_FORMAT = 0x3088;
EGL_HORIZONTAL_RESOLUTION = 0x3090;
EGL_VERTICAL_RESOLUTION = 0x3091;
EGL_PIXEL_ASPECT_RATIO = 0x3092;
EGL_SWAP_BEHAVIOR = 0x3093;
EGL_MULTISAMPLE_RESOLVE = 0x3099;
--[[ EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets --]]
EGL_BACK_BUFFER = 0x3084;
EGL_SINGLE_BUFFER = 0x3085;
--[[ OpenVG color spaces --]]
EGL_VG_COLORSPACE_sRGB = 0x3089; --[[ EGL_VG_COLORSPACE value --]]
EGL_VG_COLORSPACE_LINEAR = 0x308A; --[[ EGL_VG_COLORSPACE value --]]
--[[ OpenVG alpha formats --]]
EGL_VG_ALPHA_FORMAT_NONPRE = 0x308B; --[[ EGL_ALPHA_FORMAT value --]]
EGL_VG_ALPHA_FORMAT_PRE = 0x308C; --[[ EGL_ALPHA_FORMAT value --]]
--[[ Constant scale factor by which fractional display resolutions &
* aspect ratio are scaled when queried as integer values.
--]]
EGL_DISPLAY_SCALING = 10000;
--[[ Unknown display resolution/aspect ratio --]]
EGL_UNKNOWN = -1;
--[[ Back buffer swap behaviors --]]
EGL_BUFFER_PRESERVED = 0x3094; --[[ EGL_SWAP_BEHAVIOR value --]]
EGL_BUFFER_DESTROYED = 0x3095; --[[ EGL_SWAP_BEHAVIOR value --]]
--[[ CreatePbufferFromClientBuffer buffer types --]]
EGL_OPENVG_IMAGE = 0x3096;
--[[ QueryContext targets --]]
EGL_CONTEXT_CLIENT_TYPE = 0x3097;
--[[ CreateContext attributes --]]
EGL_CONTEXT_CLIENT_VERSION = 0x3098;
--[[ Multisample resolution behaviors --]]
EGL_MULTISAMPLE_RESOLVE_DEFAULT = 0x309A; --[[ EGL_MULTISAMPLE_RESOLVE value --]]
EGL_MULTISAMPLE_RESOLVE_BOX = 0x309B; --[[ EGL_MULTISAMPLE_RESOLVE value --]]
--[[ BindAPI/QueryAPI targets --]]
EGL_OPENGL_ES_API = 0x30A0;
EGL_OPENVG_API = 0x30A1;
EGL_OPENGL_API = 0x30A2;
--[[ GetCurrentSurface targets --]]
EGL_DRAW = 0x3059;
EGL_READ = 0x305A;
--[[ WaitNative engines --]]
EGL_CORE_NATIVE_ENGINE = 0x305B;
}
--[[ EGL 1.2 tokens renamed for consistency in EGL 1.3 --]]
EGL.EGL_COLORSPACE = EGL_VG_COLORSPACE;
EGL.EGL_ALPHA_FORMAT = EGL_VG_ALPHA_FORMAT;
EGL.EGL_COLORSPACE_sRGB = EGL_VG_COLORSPACE_sRGB;
EGL.EGL_COLORSPACE_LINEAR = EGL_VG_COLORSPACE_LINEAR;
EGL.EGL_ALPHA_FORMAT_NONPRE = EGL_VG_ALPHA_FORMAT_NONPRE;
EGL.EGL_ALPHA_FORMAT_PRE = EGL_VG_ALPHA_FORMAT_PRE;
ffi.cdef[[
/* EGL Functions */
EGLDisplay eglGetDisplay(EGLNativeDisplayType display_id);
EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor);
EGLBoolean eglTerminate(EGLDisplay dpy);
const char * eglQueryString(EGLDisplay dpy, EGLint name);
EGLint eglGetError(void);
EGLBoolean eglBindAPI(EGLenum api);
EGLenum eglQueryAPI(void);
EGLBoolean eglWaitClient(void);
EGLBoolean eglReleaseThread(void);
EGLContext eglGetCurrentContext(void);
EGLSurface eglGetCurrentSurface(EGLint readdraw);
EGLDisplay eglGetCurrentDisplay(void);
EGLBoolean eglWaitGL(void);
EGLBoolean eglWaitNative(EGLint engine);
EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval);
EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
EGLBoolean eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target);
EGLBoolean eglGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
EGLBoolean eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value);
EGLSurface eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list);
EGLSurface eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
EGLSurface eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list);
EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list);
EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx);
EGLBoolean eglQueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value);
EGLBoolean eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
EGLBoolean eglQuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
EGLBoolean eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
EGLBoolean eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
EGLBoolean eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
EGLSurface eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list);
/* This is a generic function pointer type, whose name indicates it must
* be cast to the proper type *and calling convention* before use.
*/
typedef void (*__eglMustCastToProperFunctionPointerType)(void);
/* Now, define eglGetProcAddress using the generic function ptr. type */
__eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname);
]]
return EGL
--[[
/*
** Copyright (c) 2007-2009 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
--]]