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-rw-r--r--tests/libdimension/render.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/tests/libdimension/render.c b/tests/libdimension/render.c
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index 0000000..5059778
--- /dev/null
+++ b/tests/libdimension/render.c
@@ -0,0 +1,131 @@
+/*************************************************************************
+ * 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>
+
+int
+main() {
+ bool have_png = true, have_gl = true;
+
+ /* Set the resilience low for tests */
+ dmnsn_set_resilience(DMNSN_SEVERITY_LOW);
+
+ /* Create the default test scene */
+ dmnsn_scene *scene = dmnsn_new_default_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;
+}