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authorTavian Barnes <tavianator@tavianator.com>2014-08-19 17:49:02 -0400
committerTavian Barnes <tavianator@tavianator.com>2015-10-25 11:03:56 -0400
commitda47b2858f6e64ec60dce218544647df32b49077 (patch)
tree6c40604dbf113e6b8e0a86bab9aebbe510118045 /libdimension/tests/render.c
parent654b98bafec4845e5d4af39cda58a2a1aa293d32 (diff)
downloaddimension-da47b2858f6e64ec60dce218544647df32b49077.tar.xz
libdimension: Modularize tests.
Diffstat (limited to 'libdimension/tests/render.c')
-rw-r--r--libdimension/tests/render.c406
1 files changed, 0 insertions, 406 deletions
diff --git a/libdimension/tests/render.c b/libdimension/tests/render.c
deleted file mode 100644
index fd1e96d..0000000
--- a/libdimension/tests/render.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/*************************************************************************
- * Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.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>
-
-static void
-dmnsn_test_scene_set_defaults(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- // Default texture
- scene->default_texture->pigment = dmnsn_new_solid_pigment(pool, DMNSN_TCOLOR(dmnsn_black));
- dmnsn_finish *default_finish = &scene->default_texture->finish;
- default_finish->ambient = dmnsn_new_ambient(
- pool, dmnsn_color_from_sRGB(dmnsn_color_mul(0.1, dmnsn_white))
- );
- default_finish->diffuse = dmnsn_new_lambertian(pool, dmnsn_sRGB_inverse_gamma(0.7));
-}
-
-static void
-dmnsn_test_scene_add_canvas(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- scene->canvas = dmnsn_new_canvas(pool, 768, 480);
-}
-
-static void
-dmnsn_test_scene_add_camera(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- // Set up the transformation matrix for the perspective camera
- dmnsn_matrix trans = dmnsn_scale_matrix(
- dmnsn_new_vector(
- ((double)scene->canvas->width)/scene->canvas->height, 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(pool);
- scene->camera->trans = trans;
-}
-
-static void
-dmnsn_test_scene_add_background(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- dmnsn_pattern *sky_gradient = dmnsn_new_gradient_pattern(pool, dmnsn_y);
- dmnsn_map *sky_gradient_pigment_map = dmnsn_new_pigment_map(pool);
-
- dmnsn_canvas *png_canvas = NULL;
- dmnsn_pigment *png_pigment;
- FILE *png = fopen("png2.png", "rb");
- if (png) {
- png_canvas = dmnsn_png_read_canvas(pool, png);
- fclose(png);
- }
- if (png_canvas) {
- png_pigment = dmnsn_new_canvas_pigment(pool, png_canvas);
- png_pigment->trans = dmnsn_rotation_matrix(
- dmnsn_new_vector(0.0, dmnsn_radians(53.0), 0.0)
- );
- } else {
- // Loading png2.png failed, possibly compiled with --disable-png
- fprintf(stderr, "--- WARNING: Couldn't open or read png2.png! ---\n");
- png_pigment = dmnsn_new_solid_pigment(pool, DMNSN_TCOLOR(dmnsn_orange));
- }
- dmnsn_map_add_entry(sky_gradient_pigment_map, 0.0, &png_pigment);
-
- dmnsn_color background = dmnsn_color_from_sRGB(
- dmnsn_new_color(0.0, 0.1, 0.2)
- );
- dmnsn_tcolor tbackground = dmnsn_new_tcolor(background, 0.1, 0.0);
- dmnsn_pigment *bkgpigment = dmnsn_new_solid_pigment(pool, tbackground);
- dmnsn_map_add_entry(sky_gradient_pigment_map, 0.35, &bkgpigment);
-
- scene->background = dmnsn_new_pigment_map_pigment(
- pool, sky_gradient, sky_gradient_pigment_map, DMNSN_PIGMENT_MAP_SRGB
- );
-}
-
-static void
-dmnsn_test_scene_add_lights(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- dmnsn_light *light = dmnsn_new_point_light(
- pool,
- dmnsn_new_vector(-15.0, 20.0, 10.0),
- dmnsn_white
- );
- dmnsn_array_push(scene->lights, &light);
-}
-
-static void
-dmnsn_test_scene_add_hollow_cube(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- dmnsn_object *cube = dmnsn_new_cube(pool);
- cube->trans = dmnsn_rotation_matrix(
- dmnsn_new_vector(dmnsn_radians(45.0), 0.0, 0.0)
- );
-
- cube->texture = dmnsn_new_texture(pool);
- dmnsn_tcolor cube_color = dmnsn_new_tcolor(dmnsn_blue, 0.75, 1.0/3.0);
- cube->texture->pigment = dmnsn_new_solid_pigment(pool, cube_color);
-
- dmnsn_color reflect = dmnsn_color_from_sRGB(dmnsn_color_mul(0.5, dmnsn_white));
- cube->texture->finish.reflection = dmnsn_new_basic_reflection(pool, dmnsn_black, reflect, 1.0);
-
- cube->interior = dmnsn_new_interior(pool);
- cube->interior->ior = 1.1;
-
- dmnsn_object *sphere = dmnsn_new_sphere(pool);
- sphere->texture = dmnsn_new_texture(pool);
- sphere->texture->pigment = dmnsn_new_solid_pigment(pool, DMNSN_TCOLOR(dmnsn_green));
- sphere->texture->finish.specular = dmnsn_new_phong(pool, dmnsn_sRGB_inverse_gamma(0.2), 40.0);
- sphere->trans = dmnsn_scale_matrix(dmnsn_new_vector(1.25, 1.25, 1.25));
-
- dmnsn_object *hollow_cube = dmnsn_new_csg_difference(pool, cube, sphere);
- dmnsn_array_push(scene->objects, &hollow_cube);
-}
-
-#define dmnsn_pigment_map_add_color(map, n, color) \
- do { \
- dmnsn_tcolor tcolor = DMNSN_TCOLOR(color); \
- dmnsn_pigment *pigment = dmnsn_new_solid_pigment(pool, tcolor); \
- dmnsn_map_add_entry(map, n, &pigment); \
- } while (0)
-
-static void
-dmnsn_test_scene_add_spike(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- dmnsn_array *arrow_array = DMNSN_PALLOC_ARRAY(pool, dmnsn_object *);
-
- dmnsn_object *cylinder = dmnsn_new_cone(pool, 0.1, 0.1, false);
- cylinder->trans = dmnsn_scale_matrix(dmnsn_new_vector(1.0, 1.25, 1.0));
- dmnsn_array_push(arrow_array, &cylinder);
-
- dmnsn_object *cone = dmnsn_new_cone(pool, 0.1, 0.0, true);
- cone->trans = 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))
- );
- dmnsn_array_push(arrow_array, &cone);
-
- dmnsn_object *arrow = dmnsn_new_csg_union(pool, arrow_array);
- dmnsn_pattern *gradient = dmnsn_new_gradient_pattern(pool, dmnsn_y);
- dmnsn_map *gradient_pigment_map = dmnsn_new_pigment_map(pool);
- dmnsn_pigment_map_add_color(gradient_pigment_map, 0.0, dmnsn_red);
- dmnsn_pigment_map_add_color(gradient_pigment_map, 1.0/6.0, dmnsn_orange);
- dmnsn_pigment_map_add_color(gradient_pigment_map, 2.0/6.0, dmnsn_yellow);
- dmnsn_pigment_map_add_color(gradient_pigment_map, 3.0/6.0, dmnsn_green);
- dmnsn_pigment_map_add_color(gradient_pigment_map, 4.0/6.0, dmnsn_blue);
- dmnsn_pigment_map_add_color(gradient_pigment_map, 5.0/6.0, dmnsn_magenta);
- dmnsn_pigment_map_add_color(gradient_pigment_map, 1.0, dmnsn_red);
- arrow->texture = dmnsn_new_texture(pool);
- arrow->texture->pigment = dmnsn_new_pigment_map_pigment(
- pool, gradient, gradient_pigment_map, DMNSN_PIGMENT_MAP_SRGB
- );
-
- arrow->texture->trans =
- dmnsn_matrix_mul(
- dmnsn_translation_matrix(dmnsn_new_vector(0.0, -1.25, 0.0)),
- dmnsn_scale_matrix(dmnsn_new_vector(1.0, 2.75, 1.0))
- );
-
- dmnsn_array *torus_array = DMNSN_PALLOC_ARRAY(pool, dmnsn_object *);
-
- dmnsn_object *torus1 = dmnsn_new_torus(pool, 0.15, 0.05);
- torus1->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -1.0, 0.0));
- dmnsn_array_push(torus_array, &torus1);
-
- dmnsn_object *torus2 = dmnsn_new_torus(pool, 0.15, 0.05);
- dmnsn_array_push(torus_array, &torus2);
-
- dmnsn_object *torus3 = dmnsn_new_torus(pool, 0.15, 0.05);
- torus3->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, 1.0, 0.0));
- dmnsn_array_push(torus_array, &torus3);
-
- dmnsn_object *torii = dmnsn_new_csg_union(pool, torus_array);
- torii->texture = dmnsn_new_texture(pool);
- torii->texture->pigment = dmnsn_new_solid_pigment(pool, DMNSN_TCOLOR(dmnsn_blue));
- torii->texture->finish.ambient = dmnsn_new_ambient(pool, dmnsn_white);
-
- dmnsn_array *spike_array = DMNSN_PALLOC_ARRAY(pool, dmnsn_object *);
- dmnsn_array_push(spike_array, &arrow);
- dmnsn_array_push(spike_array, &torii);
- dmnsn_object *spike = dmnsn_new_csg_union(pool, spike_array);
- spike->trans = dmnsn_rotation_matrix(
- dmnsn_new_vector(dmnsn_radians(-45.0), 0.0, 0.0)
- );
- dmnsn_array_push(scene->objects, &spike);
-}
-
-static void
-dmnsn_test_scene_add_triangle_strip(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- dmnsn_array *strip_array = DMNSN_PALLOC_ARRAY(pool, dmnsn_object *);
- dmnsn_vector vertices[] = {
- dmnsn_zero,
- dmnsn_new_vector(0.0, sqrt(3.0)/2.0, 0.5),
- dmnsn_z,
- };
- dmnsn_texture *strip_textures[3] = {
- dmnsn_new_texture(pool),
- dmnsn_new_texture(pool),
- dmnsn_new_texture(pool),
- };
- strip_textures[0]->pigment = dmnsn_new_solid_pigment(pool, DMNSN_TCOLOR(dmnsn_red));
- strip_textures[1]->pigment = dmnsn_new_solid_pigment(pool, DMNSN_TCOLOR(dmnsn_orange));
- strip_textures[2]->pigment = dmnsn_new_solid_pigment(pool, DMNSN_TCOLOR(dmnsn_yellow));
- for (unsigned int i = 0; i < 128; ++i) {
- dmnsn_object *triangle = dmnsn_new_triangle(pool, vertices);
- triangle->texture = strip_textures[i%3];
- dmnsn_array_push(strip_array, &triangle);
-
- vertices[0] = vertices[1];
- vertices[1] = vertices[2];
- vertices[2] = dmnsn_vector_add(vertices[0], dmnsn_z);
- }
-
- dmnsn_object *strip = dmnsn_new_csg_union(pool, strip_array);
- strip->trans = dmnsn_translation_matrix(dmnsn_new_vector(5.0, -2.0, -4.0));
- dmnsn_array_push(scene->objects, &strip);
-}
-
-static void
-dmnsn_test_scene_add_ground(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- dmnsn_object *plane = dmnsn_new_plane(pool, dmnsn_new_vector(0.0, 1.0, 0.0));
- plane->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -2.0, 0.0));
- dmnsn_pattern *checker = dmnsn_new_checker_pattern(pool);
- dmnsn_map *small_map = dmnsn_new_pigment_map(pool);
- dmnsn_pigment_map_add_color(small_map, 0.0, dmnsn_black);
- dmnsn_pigment_map_add_color(small_map, 1.0, dmnsn_white);
- dmnsn_pigment *small_pigment = dmnsn_new_pigment_map_pigment(
- pool, checker, small_map, DMNSN_PIGMENT_MAP_REGULAR
- );
- small_pigment->trans =
- dmnsn_scale_matrix(dmnsn_new_vector(1.0/3.0, 1.0/3.0, 1.0/3.0));
- dmnsn_map *big_map = dmnsn_new_pigment_map(pool);
- dmnsn_pigment_map_add_color(big_map, 0.0, dmnsn_white);
- dmnsn_map_add_entry(big_map, 1.0, &small_pigment);
- plane->texture = dmnsn_new_texture(pool);
- plane->texture->pigment = dmnsn_new_pigment_map_pigment(
- pool, checker, big_map, DMNSN_PIGMENT_MAP_REGULAR
- );
- plane->texture->pigment->quick_color = DMNSN_TCOLOR(
- dmnsn_color_from_sRGB(
- dmnsn_new_color(1.0, 0.5, 0.75)
- )
- );
- dmnsn_array_push(scene->objects, &plane);
-}
-
-static void
-dmnsn_test_scene_add_objects(dmnsn_pool *pool, dmnsn_scene *scene)
-{
- dmnsn_test_scene_add_hollow_cube(pool, scene);
- dmnsn_test_scene_add_spike(pool, scene);
- dmnsn_test_scene_add_triangle_strip(pool, scene);
- dmnsn_test_scene_add_ground(pool, scene);
-}
-
-/// Test scene.
-static dmnsn_scene *
-dmnsn_new_test_scene(dmnsn_pool *pool)
-{
- dmnsn_scene *scene = dmnsn_new_scene(pool);
- dmnsn_test_scene_set_defaults(pool, scene);
- dmnsn_test_scene_add_canvas(pool, scene);
- dmnsn_test_scene_add_camera(pool, scene);
- dmnsn_test_scene_add_background(pool, scene);
- dmnsn_test_scene_add_lights(pool, scene);
- dmnsn_test_scene_add_objects(pool, scene);
- return scene;
-}
-
-int
-main(void)
-{
- int ret = EXIT_FAILURE;
-
- // Treat warnings as errors for tests
- dmnsn_die_on_warnings(true);
-
- dmnsn_display *display = NULL;
-
- // Create the test scene
- dmnsn_pool *pool = dmnsn_new_pool();
- dmnsn_scene *scene = dmnsn_new_test_scene(pool);
-
- // Optimize the canvas for PNG export
- bool have_png = true;
- errno = 0;
- if (dmnsn_png_optimize_canvas(pool, scene->canvas) != 0) {
- if (errno == ENOSYS) {
- have_png = false;
- } else {
- fprintf(stderr, "--- Couldn't optimize canvas for PNG! ---\n");
- goto exit;
- }
- }
-
- // Optimize the canvas for GL drawing
- bool have_gl = true;
- errno = 0;
- if (dmnsn_gl_optimize_canvas(pool, scene->canvas) != 0) {
- if (errno == ENOSYS) {
- have_gl = false;
- } else {
- fprintf(stderr, "--- Couldn't optimize canvas for GL! ---\n");
- goto exit;
- }
- }
-
- dmnsn_canvas_clear(scene->canvas, DMNSN_TCOLOR(dmnsn_black));
-
- // Create a new glX display
- 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_future *future = dmnsn_render_async(scene);
-
- // Display the scene as it's rendered
- if (display) {
- while (!dmnsn_future_is_done(future)) {
- dmnsn_future_pause(future);
- if (dmnsn_gl_write_canvas(scene->canvas) != 0) {
- fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
- goto exit;
- }
- dmnsn_future_resume(future);
-
- dmnsn_display_flush(display);
- }
- }
-
- if (dmnsn_future_join(future) != 0) {
- fprintf(stderr, "--- Raytracing failed! ---\n");
- goto exit;
- }
-
- // Make sure we show the completed rendering
- if (display) {
- printf("Drawing to OpenGL\n");
- if (dmnsn_gl_write_canvas(scene->canvas) != 0) {
- fprintf(stderr, "--- Drawing to OpenGL failed! ---\n");
- goto exit;
- }
- dmnsn_display_flush(display);
- }
-
- if (have_png) {
- printf("Writing scene to PNG\n");
- FILE *ofile = fopen("render.png", "wb");
- if (!ofile) {
- fprintf(stderr, "--- Couldn't open 'render.png' for writing! ---\n");
- goto exit;
- }
-
- if (dmnsn_png_write_canvas(scene->canvas, ofile) != 0) {
- fclose(ofile);
- fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
- goto exit;
- }
-
- fclose(ofile);
- }
-
- ret = EXIT_SUCCESS;
- exit:
- dmnsn_delete_display(display);
- dmnsn_delete_pool(pool);
- return ret;
-}