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-rw-r--r--tests/libdimension/tests.c350
1 files changed, 350 insertions, 0 deletions
diff --git a/tests/libdimension/tests.c b/tests/libdimension/tests.c
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--- /dev/null
+++ b/tests/libdimension/tests.c
@@ -0,0 +1,350 @@
+/*************************************************************************
+ * Copyright (C) 2009 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"
+
+dmnsn_scene *
+dmnsn_new_default_scene()
+{
+ dmnsn_scene *scene;
+ dmnsn_object *sphere, *cube;
+ dmnsn_matrix trans;
+ dmnsn_sRGB sRGB;
+ dmnsn_color color;
+
+ /* Allocate a new scene */
+ scene = dmnsn_new_scene();
+ if (!scene) {
+ return NULL;
+ }
+
+ /* Background color */
+ sRGB.R = 0.0;
+ sRGB.G = 0.0;
+ sRGB.B = 0.1;
+ color = dmnsn_color_from_sRGB(sRGB);
+ color.filter = 0.1;
+ scene->background = color;
+
+ /* Allocate a canvas */
+ scene->canvas = dmnsn_new_canvas(768, 480);
+ if (!scene->canvas) {
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ /* Set up the transformation matrix for the perspective camera */
+ trans = dmnsn_scale_matrix(
+ dmnsn_vector_construct(
+ ((double)scene->canvas->x)/scene->canvas->y, 1.0, 1.0
+ )
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_translation_matrix(dmnsn_vector_construct(0.0, 0.0, -4.0)),
+ trans
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.0, 1.0, 0.0)),
+ trans
+ );
+
+ /* Create a perspective camera */
+ scene->camera = dmnsn_new_perspective_camera();
+ if (!scene->camera) {
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+ dmnsn_set_perspective_camera_trans(scene->camera, trans);
+
+ /* Now make our objects */
+
+ sphere = dmnsn_new_sphere();
+ if (!sphere) {
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ sphere->texture = dmnsn_new_texture();
+ if (!sphere->texture) {
+ dmnsn_delete_object(sphere);
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ sphere->texture->pigment = dmnsn_new_solid_pigment(dmnsn_white);
+ if (!sphere->texture->pigment) {
+ dmnsn_delete_texture(sphere->texture);
+ dmnsn_delete_object(sphere);
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ sphere->trans = dmnsn_matrix_inverse(
+ dmnsn_scale_matrix(dmnsn_vector_construct(1.25, 1.25, 1.25))
+ );
+ dmnsn_array_push(scene->objects, &sphere);
+
+ cube = dmnsn_new_cube();
+ if (!cube) {
+ dmnsn_delete_pigment(sphere->texture->pigment);
+ dmnsn_delete_texture(sphere->texture);
+ dmnsn_delete_object(sphere);
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ cube->trans = dmnsn_matrix_inverse(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.75, 0.0, 0.0))
+ );
+ dmnsn_array_push(scene->objects, &cube);
+
+ return scene;
+}
+
+void
+dmnsn_delete_default_scene(dmnsn_scene *scene)
+{
+ dmnsn_object *sphere, *cube;
+ dmnsn_array_get(scene->objects, 0, &sphere);
+ dmnsn_array_get(scene->objects, 1, &cube);
+
+// dmnsn_delete_pigment(cube->texture->pigment);
+ dmnsn_delete_texture(cube->texture);
+ dmnsn_delete_object(cube);
+
+ dmnsn_delete_pigment(sphere->texture->pigment);
+ dmnsn_delete_texture(sphere->texture);
+ dmnsn_delete_object(sphere);
+
+ dmnsn_delete_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+}
+
+/* XIfEvent callback */
+static Bool
+WaitForNotify(Display *d, XEvent *e, char *arg)
+{
+ return (e->type == MapNotify) && (e->xmap.window == (Window)arg);
+}
+
+dmnsn_display *
+dmnsn_new_display(const dmnsn_canvas *canvas)
+{
+ int attributeList[] = {
+ GLX_RGBA,
+ GLX_DOUBLEBUFFER,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None
+ };
+ dmnsn_display *display;
+ XVisualInfo *vi;
+ XSetWindowAttributes swa;
+
+ display = malloc(sizeof(dmnsn_display));
+ if (!display) {
+ return NULL;
+ }
+
+ /* Get an X connection */
+ display->dpy = XOpenDisplay(0);
+ if (!display->dpy) {
+ free(display);
+ return NULL;
+ }
+
+ /* Get an appropriate visual */
+ vi = glXChooseVisual(display->dpy, DefaultScreen(display->dpy),
+ attributeList);
+ if (!vi) {
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ /* Create a GLX context */
+ display->cx = glXCreateContext(display->dpy, vi, 0, GL_TRUE);
+ if (!display->cx) {
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ /* Create a color map */
+ display->cmap = XCreateColormap(display->dpy,
+ RootWindow(display->dpy, vi->screen),
+ vi->visual, AllocNone);
+ if (!display->cmap) {
+ glXDestroyContext(display->dpy, display->cx);
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ /* Create a window */
+ swa.colormap = display->cmap;
+ swa.border_pixel = 0;
+ swa.event_mask = StructureNotifyMask;
+ display->win = XCreateWindow(display->dpy,
+ RootWindow(display->dpy, vi->screen),
+ 0, 0, canvas->x, canvas->y,
+ 0, vi->depth, InputOutput, vi->visual,
+ CWBorderPixel|CWColormap|CWEventMask, &swa);
+ if (!display->win) {
+ XFreeColormap(display->dpy, display->cmap);
+ glXDestroyContext(display->dpy, display->cx);
+ XCloseDisplay(display->dpy);
+ free(display);
+ return NULL;
+ }
+
+ XStoreName(display->dpy, display->win, "glX");
+
+ XMapWindow(display->dpy, display->win);
+ XIfEvent(display->dpy, &display->event, WaitForNotify, (char*)display->win);
+
+ /* Connect the context to the window */
+ glXMakeCurrent(display->dpy, display->win, display->cx);
+
+ return display;
+}
+
+void
+dmnsn_delete_display(dmnsn_display *display)
+{
+ if (display) {
+ XDestroyWindow(display->dpy, display->win);
+ XFreeColormap(display->dpy, display->cmap);
+ glXDestroyContext(display->dpy, display->cx);
+ XCloseDisplay(display->dpy);
+ free(display);
+ }
+}
+
+void
+dmnsn_display_flush(dmnsn_display *display)
+{
+ glFlush();
+ glXSwapBuffers(display->dpy, display->win);
+}
+
+/* Print a progress bar of the progress of `progress' */
+void
+dmnsn_progressbar(const char *str, const dmnsn_progress *progress)
+{
+ dmnsn_progress *barprogress = dmnsn_progressbar_async(str, progress);
+ if (dmnsn_finish_progress(barprogress) != 0) {
+ dmnsn_error(DMNSN_SEVERITY_HIGH,
+ "Progress bar background thread failed.");
+ }
+}
+
+typedef struct {
+ dmnsn_progress *barprogress;
+ const char *str;
+ const dmnsn_progress *progress;
+} dmnsn_progressbar_payload;
+
+/* Progress bar thread callback */
+static void *dmnsn_progressbar_thread(void *ptr);
+
+/* Print a progress bar in the background */
+dmnsn_progress *
+dmnsn_progressbar_async(const char *str, const dmnsn_progress *progress)
+{
+ dmnsn_progress *barprogress = dmnsn_new_progress();
+ dmnsn_progressbar_payload *payload;
+
+ if (barprogress) {
+ payload = malloc(sizeof(dmnsn_progressbar_payload));
+ if (!payload) {
+ dmnsn_error(DMNSN_SEVERITY_HIGH,
+ "Couldn't allocate progress bar payload.");
+ }
+
+ payload->barprogress = barprogress;
+ payload->str = str;
+ payload->progress = progress;
+
+ /* Create the worker thread */
+ if (pthread_create(&barprogress->thread, NULL, &dmnsn_progressbar_thread,
+ payload) != 0)
+ {
+ dmnsn_error(DMNSN_SEVERITY_HIGH,
+ "Couldn't start progress bar background thread.");
+ }
+ }
+
+ return barprogress;
+}
+
+/* Actual progress bar implementation */
+static int dmnsn_progressbar_impl(dmnsn_progress *barprogress, const char *str,
+ const dmnsn_progress *progress);
+
+/* Progress bar thread callback */
+static void *
+dmnsn_progressbar_thread(void *ptr)
+{
+ dmnsn_progressbar_payload *payload = ptr;
+ int *retval = malloc(sizeof(int));
+ if (retval) {
+ *retval = dmnsn_progressbar_impl(payload->barprogress,
+ payload->str, payload->progress);
+ }
+ dmnsn_done_progress(payload->barprogress);
+ free(payload);
+ return retval;
+}
+
+/* Actual progress bar implementation */
+static int
+dmnsn_progressbar_impl(dmnsn_progress *barprogress,
+ const char *str, const dmnsn_progress *progress)
+{
+ const unsigned int increments = 32;
+ unsigned int i;
+
+ dmnsn_new_progress_element(barprogress, increments);
+
+ printf("%s|", str);
+ fflush(stdout);
+ for (i = 0; i < increments; ++i) {
+ dmnsn_wait_progress(progress, ((double)(i + 1))/increments);
+
+ printf("=");
+ fflush(stdout);
+ dmnsn_increment_progress(barprogress);
+ }
+ printf("|\n");
+ fflush(stdout);
+
+ return 0;
+}
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