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/* 
 * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
 * 
 * Contact:
 * Edwin Zhai <edwin.zhai@intel.com>
 * SangJin Kim <sangjin3.kim@samsung.com>
 * Yeongkyoon Lee <yeongkyoon.lee@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:
 * - Intel Corporation
 * - S-Core Co., Ltd
 *
 */
 
/*
 * 42CreateImageKHR.c
 */
#include "implement.h"

EGLAPI EGLImageKHR EGLAPIENTRY eglCreateImageKHR (EGLDisplay dpy, 
        EGLContext ctx, EGLenum target, 
        EGLClientBuffer buffer, 
        const EGLint *attrib_list) {
#if 1
	fprintf (stderr, "EGLImage: eglCreateImageKHR () was called!\n");
	fprintf (stderr, "======== ctx = %s\n",ctx == EGL_NO_CONTEXT ? "EGL_NO_CONTEXT" : "POINTER");
	if (target == EGL_NATIVE_PIXMAP_KHR) {
		fprintf (stderr, "======== target = %s\n", "EGL_NATIVE_PIXMAP_KHR");
	} else {
		fprintf (stderr, "======== target = %x\n", (unsigned int)target);
        }
	fprintf (stderr, "======== buffer = 0x%x\n", (unsigned int)buffer);
#endif
	struct DisplayExtra* pDisplay = EGLINTER(LookUpDisplay)(dpy);
	if (pDisplay == NULL) {
		EGLINTER(SetError)(EGL_BAD_DISPLAY);
		return EGL_NO_IMAGE_KHR;
	}
	if (pDisplay->bInitialized == EGL_FALSE) {
		EGLINTER(SetError)(EGL_NOT_INITIALIZED);
		return EGL_NO_IMAGE_KHR;
	}

	if (ctx != EGL_NO_CONTEXT) {
		EGLINTER(SetError)(EGL_BAD_CONTEXT);
		return EGL_NO_IMAGE_KHR;
	}
	if (target != EGL_NATIVE_PIXMAP_KHR) {
		fprintf (stderr, "EGLImage: Not yet supported target! (%x)\n", (unsigned int)target);
		return EGL_NO_IMAGE_KHR;
	}
	// assert (!EGLINTER(LookUpEGLImage)(unique));

	GLint unique = EGLINTER(global).nImageExtra + 1;

	/* Make sure the unique not used by others */
	while (EGLINTER(LookUpEGLImage)(unique))
	{
		unique++;
	}

	struct ImageExtra *pArea = EGLINTER(InsertEGLImage)((EGLImageKHR)unique);
	// get the pixmap information here
	Window root;
	unsigned dummy;
	if (XGetGeometry(pDisplay->native, (Pixmap)buffer, &root,
		&dummy, &dummy, &pArea->width, &pArea->height, 
		&dummy, &pArea->depth) == 0) {
		fprintf (stderr, "ZLV: Failed here???\n");
		EGLINTER(SetError)(EGL_BAD_NATIVE_PIXMAP);
		return EGL_NO_IMAGE_KHR;
	}
	pArea->unique = (EGLImageKHR) unique;
	pArea->dpy = pDisplay->native;
	pArea->pixmap = (Pixmap) buffer;

        EGLINTER(SetError)(EGL_SUCCESS);
	return (EGLImageKHR) unique;
}