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/*
* $Id$
* Copyright (C) 2007 Oliver McFadden <z3ro.geek@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <GL/gl.h>
#include <GL/glext.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <test.h>
#define TEXTURE_WIDTH 16
#define TEXTURE_HEIGHT 16
static GLuint *
random_texture (int width, int height)
{
GLuint *texture = NULL;
int i;
if (!(texture = (GLuint *) malloc (width * height * sizeof (GLuint))))
{
fprintf (stderr, "%s: %s\n", program_invocation_short_name,
strerror (errno));
return NULL;
}
for (i = 0; i < width * height; i++)
{
texture[i] = random ();
}
return texture;
}
void
gl_texture (void)
{
GLuint *texture = NULL;;
GLuint texName;
if (!(texture = random_texture (TEXTURE_WIDTH, TEXTURE_HEIGHT)))
{
return;
}
test_prologue (NULL);
glEnable (GL_TEXTURE_2D);
glGenTextures (1, &texName);
glBindTexture (GL_TEXTURE_2D, texName);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
/* GL_NEAREST_MIPMAP_LINEAR */ GL_NEAREST);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, TEXTURE_WIDTH, TEXTURE_HEIGHT, 0,
GL_RGBA, GL_UNSIGNED_BYTE, texture);
tex_tri ();
glDisable (GL_TEXTURE_2D);
test_epilogue (false);
free (texture);
}
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