/* 
 * 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"


EGLBoolean EGLAPIENTRY eglCopyBuffers(EGLDisplay dpy, EGLSurface surface,
        EGLNativePixmapType target) {
	struct DisplayExtra* pDisplay = EGLINTER(LookUpDisplay)(dpy);
	if (pDisplay == NULL) {
		EGLINTER(SetError)(EGL_BAD_DISPLAY);
		return EGL_FALSE;
	}
	if (pDisplay->bInitialized == EGL_FALSE) {
		EGLINTER(SetError)(EGL_NOT_INITIALIZED);
		return EGL_FALSE;
	}
	struct SurfaceExtra* pSurface = EGLINTER(LookUpSurface)(surface);
	if (pSurface == NULL) {
		EGLINTER(SetError)(EGL_BAD_SURFACE);
		return EGL_FALSE;
	}

	/* SwapBuffers copy pixmap from host buffer to drawable as no
	 * glxCopyBuffers available */
	FNPTR(SwapBuffers)(pDisplay->native, pSurface->native);
	
	Window root;
	int x, y;
	unsigned int width, height, border, depth;
	if (XGetGeometry(pDisplay->native, (Drawable)target, &root,
	        &x, &y, &width, &height, &border, &depth) == 0) {
		EGLINTER(SetError)(EGL_BAD_NATIVE_PIXMAP);
		return EGL_FALSE;
	}
	
	if (XCopyArea(pDisplay->native, pSurface->lowWinPix, target,
	        DefaultGC(pDisplay->native, DefaultScreen(pDisplay->native)),
	        0, 0, width, height, 0, 0) == 0) {
		EGLINTER(SetError)(EGL_BAD_NATIVE_PIXMAP);
		return EGL_FALSE;
	}
	return EGL_TRUE;
}