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// SPDX-License-Identifier: GPL-2.0-or-later
/* SPDX-FileCopyrightText: 2004-2015 Simon Wunderlich <sw@simonwunderlich.de>
*/
#include <s3d.h>
#include <stdio.h> /* NULL */
#include <stdlib.h> /* malloc(),free() */
#include <time.h> /* nanosleep() */
static struct timespec t = {
0, 10*1000*1000
}; /* 10 mili seconds */
static int i, oid;
static void mainloop(void)
{
i = (i + 1) % 360;
s3d_rotate(oid, 0, (float)i, 0);
nanosleep(&t, NULL);
}
#define MAXX 24
#define MAXY 24
int main(int argc, char **argv)
{
unsigned int x, y;
unsigned char *data;
if (!s3d_init(&argc, &argv, "texturetest")) {
data = (unsigned char *)malloc(MAXX * MAXY * 4);
oid = s3d_new_object();
s3d_push_vertex(oid, -1, -1, 0);
s3d_push_vertex(oid, 1, -1, 0);
s3d_push_vertex(oid, 1, 1, 0);
s3d_push_vertex(oid, -1, 1, 0);
s3d_push_material_a(oid,
0.8, 0.0, 0.0 , 1.0,
1.0, 1.0, 1.0 , 1.0,
0.8, 0.0, 0.0 , 1.0);
s3d_push_polygon(oid, 0, 1, 2, 0);
s3d_pep_polygon_tex_coord(oid, 0.0, 0.0,
1.0, 0.0,
1.0, 1.0);
s3d_push_polygon(oid, 0, 2, 3, 0);
s3d_pep_polygon_tex_coord(oid, 0.0, 0.0,
1.0, 1.0,
0.0, 1.0);
s3d_translate(oid, 0, 0, -5);
for (y = 0; y < MAXY; y++)
for (x = 0; x < MAXX; x++) {
data[(y*MAXX+x)*4+0] = (char)((x * 255) / MAXX);
data[(y*MAXX+x)*4+1] = (char)((x * y) / (MAXX * MAXY));
data[(y*MAXX+x)*4+2] = (char)((y * 255) / MAXX);
data[(y*MAXX+x)*4+3] = 255;
}
s3d_push_texture(oid, MAXX, MAXY);
s3d_load_texture(oid, 0, 0, 0, MAXX, MAXY, data);
/* push data on texture 0 position (0,0) */
free(data);
s3d_pep_material_texture(oid, 0); /* assign texture 0 to material 0 */
s3d_flags_on(oid, S3D_OF_VISIBLE);
i = 0;
s3d_mainloop(mainloop);
/* wait for some object to be clicked */
s3d_quit();
}
return 0;
}
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