/*

 * Copyright (c) 2016, NVIDIA CORPORATION.

 *

 * 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

 * unaltered in all copies or substantial portions of the Materials.

 * Any additions, deletions, or changes to the original source files

 * must be clearly indicated in accompanying documentation.

 *

 * If only executable code is distributed, then the accompanying

 * documentation must state that "this software is based in part on the

 * work of the Khronos Group."

 *

 * 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.

 */

/**

 * \file

 *

 * Tests eglGetDisplay and eglGetPlatformDisplay.

 *

 * This test uses the dummy platform to create an EGLDisplay for each of the

 * dummy vendor libraries, then calls eglQueryString to make sure that each

 * display goes to the correct vendor.

 */

#include <EGL/egl.h>

#include <EGL/eglext.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "dummy/EGL_dummy.h"

#include "egl_test_utils.h"

int main(int argc, char **argv)

{

    EGLDisplay displays[DUMMY_VENDOR_COUNT];

    EGLDisplay dpy;

    EGLint error;

    int i;

    for (i=0; i

        const char *name = DUMMY_VENDOR_NAMES[i];

        const char *str;

        EGLint major, minor;

        printf("Testing vendor %d, with name \"%s\"\n", i, name);

        displays[i] = eglGetPlatformDisplay(EGL_DUMMY_PLATFORM, (void *) name, NULL);

        if (displays[i] == EGL_NO_DISPLAY) {

            printf("eglGetPlatformDisplay failed with vendor \"%s\", error 0x%04x\n", name, eglGetError());

            exit(1);

        }

        if (!eglInitialize(displays[i], &major, &minor)) {

            printf("eglInitialize failed\n");

            return 1;

        }

        str = eglQueryString(displays[i], EGL_VENDOR);

        if (str == NULL) {

            printf("eglQueryString failed with vendor \"%s\", error 0x%04x\n", name, eglGetError());

            exit(1);

        }

        if (strcmp(str, name) != 0) {

            printf("Got wrong vendor string: Expected \"%s\", but got \"%s\"\n", name, str);

            exit(1);

        }

    }

    // Test getting a default display from eglGetDisplay. This should iterate

    // over each vendor, and the first vendor library should return the same

    // display as it did for EGL_DUMMY_PLATFORM.

    dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);

    if (dpy == EGL_NO_DISPLAY) {

        printf("eglGetDisplay failed with error 0x%04x\n", eglGetError());

        return 1;

    }

    if (dpy != displays[0]) {

        printf("eglGetDisplay returned incorrect display: Expected %p, got %p\n",

                displays[0], dpy);

        return 1;

    }

    // Try getting a display using an invalid platform enum.

    dpy = eglGetPlatformDisplay(EGL_ALPHA_SIZE, NULL, NULL);

    if (dpy != EGL_NO_DISPLAY) {

        printf("Got an EGLDisplay for an invalid platform.\n");

        return 1;

    }

    error = eglGetError();

    if (error != EGL_BAD_PARAMETER) {

        printf("Got the wrong error 0x%04x for eglGetPlatformDisplay with invalid platform\n", error);

        return 1;

    }

    // Pass a valid platform, but with a name that the vendor's won't

    // recognize. Each vendor will return EGL_NO_DISPLAY, but won't raise an

    // error.

    dpy = eglGetPlatformDisplay(EGL_DUMMY_PLATFORM, (void *) "invalid", NULL);

    if (dpy != EGL_NO_DISPLAY) {

        printf("Got an EGLDisplay for an invalid vendor name.\n");

        return 1;

    }

    error = eglGetError();

    if (error != EGL_SUCCESS) {

        printf("Got the wrong error 0x%04x for eglGetPlatformDisplay with invalid vendor name\n", error);

        return 1;

    }

    return 0;

}