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/*************************************************************************
* Copyright (C) 2010 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Test Suite. *
* *
* The Dimension Test Suite 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 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension Test Suite 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, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
#include "tests.h"
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
/*
* Test scene -- code version of tests/dimension/demo.pov
*/
static dmnsn_scene *
dmnsn_new_test_scene(void)
{
/* Allocate a new scene */
dmnsn_scene *scene = dmnsn_new_scene();
/* Default finish */
scene->default_texture->finish = dmnsn_new_finish_combination(
dmnsn_new_ambient_finish(
dmnsn_color_mul(0.1, dmnsn_white)
),
dmnsn_new_diffuse_finish(0.6)
);
/* Allocate a canvas */
scene->canvas = dmnsn_new_canvas(768, 480);
/* Set up the transformation matrix for the perspective camera */
dmnsn_matrix trans = dmnsn_scale_matrix(
dmnsn_new_vector(
((double)scene->canvas->x)/scene->canvas->y, 1.0, 1.0
)
);
trans = dmnsn_matrix_mul(
dmnsn_rotation_matrix(dmnsn_new_vector(0.0624188099959577, 0.0, 0.0)),
trans
);
trans = dmnsn_matrix_mul(
dmnsn_translation_matrix(dmnsn_new_vector(0.0, 0.25, -4.0)),
trans
);
trans = dmnsn_matrix_mul(
dmnsn_rotation_matrix(dmnsn_new_vector(0.0, dmnsn_radians(53.0), 0.0)),
trans
);
/* Create a perspective camera */
scene->camera = dmnsn_new_perspective_camera();
dmnsn_set_perspective_camera_trans(scene->camera, trans);
/* Background color */
scene->background = dmnsn_color_from_sRGB((dmnsn_sRGB){ 0.0, 0.1, 0.2 });
scene->background.filter = 0.1;
/* Light source */
dmnsn_light *light = dmnsn_new_point_light(
dmnsn_new_vector(-15.0, 20.0, 10.0),
dmnsn_white
);
dmnsn_array_push(scene->lights, &light);
/* Now make our objects */
dmnsn_object *cube = dmnsn_new_cube();
cube->trans = dmnsn_rotation_matrix(
dmnsn_new_vector(dmnsn_radians(45.0), 0.0, 0.0)
);
cube->texture = dmnsn_new_texture();
dmnsn_color cube_color = dmnsn_blue;
cube_color.filter = 0.25;
cube_color.trans = 0.5;
cube->texture->pigment = dmnsn_new_solid_pigment(cube_color);
dmnsn_color reflect = dmnsn_color_mul(0.5, dmnsn_white);
cube->texture->finish = dmnsn_new_reflective_finish(reflect, reflect, 1.0);
cube->interior = dmnsn_new_interior();
cube->interior->ior = 1.1;
dmnsn_object *sphere = dmnsn_new_sphere();
sphere->texture = dmnsn_new_texture();
sphere->texture->pigment = dmnsn_new_solid_pigment(dmnsn_green);
sphere->texture->finish = dmnsn_new_phong_finish(0.2, 40.0);
sphere->trans = dmnsn_scale_matrix(dmnsn_new_vector(1.25, 1.25, 1.25));
dmnsn_object *csg = dmnsn_new_csg_difference(cube, sphere);
dmnsn_array_push(scene->objects, &csg);
dmnsn_object *plane = dmnsn_new_plane(dmnsn_new_vector(0.0, 1.0, 0.0));
plane->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -2.0, 0.0));
plane->texture = dmnsn_new_texture();
plane->texture->pigment = dmnsn_new_solid_pigment(dmnsn_white);
dmnsn_array_push(scene->objects, &plane);
dmnsn_object *cylinder = dmnsn_new_cylinder(0.1, 0.1, false);
cylinder->trans =
dmnsn_matrix_mul(
dmnsn_rotation_matrix(dmnsn_new_vector(dmnsn_radians(-45.0), 0.0, 0.0)),
dmnsn_scale_matrix(dmnsn_new_vector(1.0, 1.25, 1.0))
);
cylinder->texture = dmnsn_new_texture();
cylinder->texture->pigment = dmnsn_new_solid_pigment(dmnsn_red);
dmnsn_array_push(scene->objects, &cylinder);
dmnsn_object *cone = dmnsn_new_cylinder(0.1, 0.0, true);
cone->trans =
dmnsn_matrix_mul(
dmnsn_rotation_matrix(dmnsn_new_vector(dmnsn_radians(-45.0), 0.0, 0.0)),
dmnsn_matrix_mul(
dmnsn_translation_matrix(dmnsn_new_vector(0.0, 1.375, 0.0)),
dmnsn_scale_matrix(dmnsn_new_vector(1.0, 0.125, 1.0))
)
);
cone->texture = dmnsn_new_texture();
cone->texture->pigment = dmnsn_new_solid_pigment(dmnsn_red);
dmnsn_array_push(scene->objects, &cone);
return scene;
}
int
main(void)
{
bool have_png = true, have_gl = true;
/* Set the resilience low for tests */
dmnsn_set_resilience(DMNSN_SEVERITY_LOW);
/* Create the test scene */
dmnsn_scene *scene = dmnsn_new_test_scene();
/* Optimize the canvas for PNG export */
errno = 0;
if (dmnsn_png_optimize_canvas(scene->canvas) != 0) {
if (errno == ENOTSUP) {
have_png = false;
} else {
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Couldn't optimize canvas for PNG! ---\n");
return EXIT_FAILURE;
}
}
/* Optimize the canvas for GL drawing */
errno = 0;
if (dmnsn_gl_optimize_canvas(scene->canvas) != 0) {
if (errno == ENOTSUP) {
have_gl = false;
} else {
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Couldn't optimize canvas for GL! ---\n");
return EXIT_FAILURE;
}
}
dmnsn_clear_canvas(scene->canvas, dmnsn_black);
/* Create a new glX display */
dmnsn_display *display = NULL;
if (have_gl) {
display = dmnsn_new_display(scene->canvas);
if (!display) {
fprintf(stderr, "--- WARNING: Couldn't initialize X or glX! ---\n");
}
}
/* Render the scene */
printf("Rendering scene\n");
dmnsn_progress *progress = dmnsn_raytrace_scene_async(scene);
/* Display the scene as it's rendered */
if (display) {
while (dmnsn_get_progress(progress) < 1.0) {
if (dmnsn_gl_write_canvas(scene->canvas) != 0) {
dmnsn_delete_display(display);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
return EXIT_FAILURE;
}
dmnsn_display_flush(display);
}
}
if (dmnsn_finish_progress(progress) != 0) {
dmnsn_delete_display(display);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Raytracing failed! ---\n");
return EXIT_FAILURE;
}
/* Make sure we show the completed rendering */
if (display) {
printf("Drawing to OpenGL\n");
if (dmnsn_gl_write_canvas(scene->canvas) != 0) {
dmnsn_delete_display(display);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
return EXIT_FAILURE;
}
dmnsn_display_flush(display);
}
if (have_png) {
printf("Writing scene to PNG\n");
FILE *ofile = fopen("render.png", "wb");
if (!ofile) {
dmnsn_delete_display(display);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Couldn't open 'render.png' for writing! ---\n");
return EXIT_FAILURE;
}
if (dmnsn_png_write_canvas(scene->canvas, ofile) != 0) {
fclose(ofile);
dmnsn_delete_display(display);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
return EXIT_FAILURE;
}
fclose(ofile);
}
dmnsn_delete_display(display);
dmnsn_delete_scene(scene);
return EXIT_SUCCESS;
}
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