/* 
 * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
 * 
 * Contact:
 * DongKyun Yun <dk77.yun@samsung.com>
 * SangJin Kim <sangjin3.kim@samsung.com>
 * HyunGoo Kang <hyungoo1.kang@samsung.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is 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 Software.
 * 
 * THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * Contributors:
 * - S-Core Co., Ltd
 *
 */

#include "implement.h"


const char* EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name) {
	struct DisplayExtra* pDisplay;
	static char buf[256];
	pDisplay = EGLINTER(LookUpDisplay)(dpy);
	if (pDisplay == NULL) {
		EGLINTER(SetError)(EGL_BAD_DISPLAY);
		return NULL;
	}
	if (pDisplay->bInitialized == EGL_FALSE) {
		EGLINTER(SetError)(EGL_NOT_INITIALIZED);
		return NULL;
	}
	switch (name) {
	case EGL_CLIENT_APIS:
#if defined(PROVIDING_RUNTIME_BINDING)
		return "OpenGL_ES OpenGL";
#else
		return "OpenGL_ES";	 
#endif
		break;
	case EGL_VENDOR:
#if defined(PROVIDING_RUNTIME_BINDING)
		return HAZEL_EGL_VENDOR " dynamic (compiled on " __DATE__ " " __TIME__ ")";
#else
		return HAZEL_EGL_VENDOR "(compiled on " __DATE__ " " __TIME__ ")";
#endif
		break;
	case EGL_VERSION:
		sprintf(buf, "%d.%d (on GLX %s %s)", HAZEL_EGL_MAJOR, HAZEL_EGL_MINOR,
		        FNPTR(GetClientString)(pDisplay->native, GLX_VENDOR),
		        FNPTR(GetClientString)(pDisplay->native, GLX_VERSION));
		return buf;
		break;
	case EGL_EXTENSIONS:
		return "EGL_KHR_image";
		break;
	default:
		EGLINTER(SetError)(EGL_BAD_PARAMETER);
		return NULL;
	}
}