// #define ROAM_DEBUG
+#define OVERLAY_SLICE 0.01
+
/* Tessellation, "finding intersecting triangles" */
/* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */
/* http://www.opengl.org/wiki/Alpha_Blending */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
- double width = GTK_WIDGET(opengl)->allocation.width;
- double height = GTK_WIDGET(opengl)->allocation.height;
+ GtkAllocation alloc;
+ gtk_widget_get_allocation(GTK_WIDGET(opengl), &alloc);
+ double width = alloc.width;
+ double height = alloc.height;
double ang = atan((height/2)/FOV_DIST)*2;
double atmos = 100000;
double near = MAX(elev*0.75 - atmos, 50); // View 100km of atmosphere
static gboolean run_mouse_move(GritsOpenGL *opengl, GdkEventMotion *event)
{
- gdouble height = GTK_WIDGET(opengl)->allocation.height;
+ GtkAllocation alloc;
+ gtk_widget_get_allocation(GTK_WIDGET(opengl), &alloc);
+
gdouble gl_x = event->x;
- gdouble gl_y = height - event->y;
+ gdouble gl_y = alloc.height - event->y;
gdouble delta = opengl->pickmode ? 200 : 2;
if (opengl->pickmode) {
static gboolean on_motion_notify(GritsOpenGL *opengl, GdkEventMotion *event, gpointer _)
{
opengl->mouse_queue = *event;
- gtk_widget_queue_draw(GTK_WIDGET(opengl));
+ grits_viewer_queue_draw(GRITS_VIEWER(opengl));
return FALSE;
}
/* Enable depth and alpha for world levels */
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.1);
+ glDepthRange(OVERLAY_SLICE, 1);
} else {
- /* Disable depth for Overlay/HUD levels */
- glDepthMask(FALSE);
+ /* Draw overlay in front of world */
+ glDepthRange(0, OVERLAY_SLICE);
}
/* Start ortho */
if (level->num >= GRITS_LEVEL_HUD) {
+ GtkAllocation alloc;
+ gtk_widget_get_allocation(GTK_WIDGET(opengl), &alloc);
glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity();
glMatrixMode(GL_MODELVIEW); glPushMatrix(); glLoadIdentity();
- gint win_width = GTK_WIDGET(opengl)->allocation.width;
- gint win_height = GTK_WIDGET(opengl)->allocation.height;
- glOrtho(0, win_width, win_height, 0, 1000, -1000);
+ glOrtho(0, alloc.width, alloc.height, 0, 1000, -1000);
}
/* Draw unsorted objects without depth testing,
nunsorted, nsorted);
}
-static gboolean on_expose(GritsOpenGL *opengl, GdkEventExpose *event, gpointer _)
+static gboolean on_expose(GritsOpenGL *opengl, gpointer data, gpointer _)
{
g_debug("GritsOpenGL: on_expose - begin");
if (opengl->pickmode)
- return run_mouse_move(opengl, (GdkEventMotion*)event);
+ return run_mouse_move(opengl, &(GdkEventMotion){});
if (opengl->mouse_queue.type != GDK_NOTHING) {
run_mouse_move(opengl, &opengl->mouse_queue);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
#ifndef ROAM_DEBUG
+ g_mutex_lock(&opengl->sphere_lock);
roam_sphere_update_errors(opengl->sphere);
roam_sphere_split_merge(opengl->sphere);
+ g_mutex_unlock(&opengl->sphere_lock);
#endif
#ifdef ROAM_DEBUG
static gboolean on_key_press(GritsOpenGL *opengl, GdkEventKey *event, gpointer _)
{
g_debug("GritsOpenGL: on_key_press - key=%x, state=%x, plus=%x",
- event->keyval, event->state, GDK_plus);
+ event->keyval, event->state, GDK_KEY_plus);
guint kv = event->keyval;
/* Testing */
- if (kv == GDK_w) {
+ if (kv == GDK_KEY_w) {
opengl->wireframe = !opengl->wireframe;
- gtk_widget_queue_draw(GTK_WIDGET(opengl));
+ grits_viewer_queue_draw(GRITS_VIEWER(opengl));
}
- if (kv == GDK_p) {
+ if (kv == GDK_KEY_p) {
opengl->pickmode = !opengl->pickmode;
- gtk_widget_queue_draw(GTK_WIDGET(opengl));
+ grits_viewer_queue_draw(GRITS_VIEWER(opengl));
}
#ifdef ROAM_DEBUG
- else if (kv == GDK_n) roam_sphere_split_one(opengl->sphere);
- else if (kv == GDK_p) roam_sphere_merge_one(opengl->sphere);
- else if (kv == GDK_r) roam_sphere_split_merge(opengl->sphere);
- else if (kv == GDK_u) roam_sphere_update_errors(opengl->sphere);
- gtk_widget_queue_draw(GTK_WIDGET(opengl));
+ else if (kv == GDK_KEY_n) roam_sphere_split_one(opengl->sphere);
+ else if (kv == GDK_KEY_p) roam_sphere_merge_one(opengl->sphere);
+ else if (kv == GDK_KEY_r) roam_sphere_split_merge(opengl->sphere);
+ else if (kv == GDK_KEY_u) roam_sphere_update_errors(opengl->sphere);
+ grits_viewer_queue_draw(GRITS_VIEWER(opengl));
#endif
return FALSE;
}
/* Connect signals and idle functions now that opengl is fully initialized */
gtk_widget_add_events(GTK_WIDGET(opengl), GDK_KEY_PRESS_MASK);
g_signal_connect(opengl, "configure-event", G_CALLBACK(_set_projection), NULL);
+#if GTK_CHECK_VERSION(3,0,0)
+ g_signal_connect(opengl, "draw", G_CALLBACK(on_expose), NULL);
+#else
g_signal_connect(opengl, "expose-event", G_CALLBACK(on_expose), NULL);
+#endif
g_signal_connect(opengl, "key-press-event", G_CALLBACK(on_key_press), NULL);
glReadPixels(px, py, 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &tmp);
pz = tmp;
}
+ pz = (pz-OVERLAY_SLICE) * (1.0/(1-OVERLAY_SLICE));
gluUnProject(px, py, pz,
opengl->sphere->view->model,
opengl->sphere->view->proj,
g_free(level);
}
-static gpointer grits_opengl_add(GritsViewer *_opengl, GritsObject *object,
+static void grits_opengl_add(GritsViewer *_opengl, GritsObject *object,
gint num, gboolean sort)
{
g_assert(GRITS_IS_OPENGL(_opengl));
if (list->next)
list->next->prev = link;
list->next = link;
+ object->ref = link;
+ g_object_ref(object);
g_mutex_unlock(&opengl->objects_lock);
- return link;
}
-static GritsObject *grits_opengl_remove(GritsViewer *_opengl, GritsObject *object)
+void grits_opengl_remove(GritsViewer *_opengl, GritsObject *object)
{
g_assert(GRITS_IS_OPENGL(_opengl));
GritsOpenGL *opengl = GRITS_OPENGL(_opengl);
- GList *link = object->ref;
+ if (!object->ref)
+ return;
g_mutex_lock(&opengl->objects_lock);
+ GList *link = object->ref;
/* Just unlink and free it, link->prev is assured */
link->prev->next = link->next;
if (link->next)
link->next->prev = link->prev;
- g_mutex_unlock(&opengl->objects_lock);
- object->ref = NULL;
- object->viewer = NULL;
g_free(link);
+ object->ref = NULL;
g_object_unref(object);
- return object;
+ g_mutex_unlock(&opengl->objects_lock);
}
/****************
projects / grits / blobdiff