]> Pileus Git - grits/blobdiff - src/grits-opengl.c
Remove some unused API cruft
[grits] / src / grits-opengl.c
index a2dce843fd2049a1460aa341580ebf2479533393..49a9c533015d9413c5f9d28fb67aae432beafb71 100644 (file)
@@ -56,7 +56,7 @@ struct RenderLevel {
 /***********
  * Helpers *
  ***********/
-static void _set_visuals(GritsOpenGL *opengl)
+static void _set_projection(GritsOpenGL *opengl)
 {
        double lat, lon, elev, rx, ry, rz;
        grits_viewer_get_location(GRITS_VIEWER(opengl), &lat, &lon, &elev);
@@ -73,7 +73,6 @@ static void _set_visuals(GritsOpenGL *opengl)
        double near   = MAX(elev*0.75 - atmos, 50); // View 100km of atmosphere
        double far    = elev + 2*EARTH_R + atmos;   // on both sides of the earth
 
-       grits_viewer_get_location(GRITS_VIEWER(opengl), &lat, &lon, &elev);
        glViewport(0, 0, width, height);
        gluPerspective(rad2deg(ang), width/height, near, far);
 
@@ -85,6 +84,40 @@ static void _set_visuals(GritsOpenGL *opengl)
        glRotatef(rx, 1, 0, 0);
        glRotatef(rz, 0, 0, 1);
 
+       /* Lighting */
+       float light_position[] = {-13*EARTH_R, 1*EARTH_R, 3*EARTH_R, 1.0f};
+       glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+
+       /* Camera 2 */
+       glTranslatef(0, 0, -elev2rad(elev));
+       glRotatef(lat, 1, 0, 0);
+       glRotatef(-lon, 0, 1, 0);
+
+       /* Update roam view */
+       g_mutex_lock(&opengl->sphere_lock);
+       roam_sphere_update_view(opengl->sphere);
+       g_mutex_unlock(&opengl->sphere_lock);
+}
+
+static void _set_settings(GritsOpenGL *opengl)
+{
+       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+       glEnable(GL_BLEND);
+       glDisable(GL_ALPHA_TEST);
+
+       glEnable(GL_LIGHT0);
+       glEnable(GL_LIGHTING);
+
+       glEnable(GL_LINE_SMOOTH);
+
+       glDisable(GL_TEXTURE_2D);
+       glDisable(GL_COLOR_MATERIAL);
+
+       if (opengl->wireframe)
+               glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+       else
+               glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
        /* Lighting */
 #ifdef ROAM_DEBUG
        float light_ambient[]  = {0.7f, 0.7f, 0.7f, 1.0f};
@@ -93,13 +126,10 @@ static void _set_visuals(GritsOpenGL *opengl)
        float light_ambient[]  = {0.2f, 0.2f, 0.2f, 1.0f};
        float light_diffuse[]  = {0.8f, 0.8f, 0.8f, 1.0f};
 #endif
-       float light_position[] = {-13*EARTH_R, 1*EARTH_R, 3*EARTH_R, 1.0f};
        glLightfv(GL_LIGHT0, GL_AMBIENT,  light_ambient);
        glLightfv(GL_LIGHT0, GL_DIFFUSE,  light_diffuse);
-       glLightfv(GL_LIGHT0, GL_POSITION, light_position);
-       glEnable(GL_LIGHT0);
-       glEnable(GL_LIGHTING);
 
+       /* Materials */
        float material_ambient[]  = {1.0, 1.0, 1.0, 1.0};
        float material_diffuse[]  = {1.0, 1.0, 1.0, 1.0};
        float material_specular[] = {0.0, 0.0, 0.0, 1.0};
@@ -108,20 +138,11 @@ static void _set_visuals(GritsOpenGL *opengl)
        glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE,  material_diffuse);
        glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, material_specular);
        glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, material_emission);
-       glDisable(GL_TEXTURE_2D);
-       glDisable(GL_COLOR_MATERIAL);
-
-       /* Camera 2 */
-       glTranslatef(0, 0, -elev2rad(elev));
-       glRotatef(lat, 1, 0, 0);
-       glRotatef(-lon, 0, 1, 0);
-
-       glDisable(GL_ALPHA_TEST);
 
-       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-       glEnable(GL_BLEND);
-
-#ifndef ROAM_DEBUG
+#ifdef ROAM_DEBUG
+       glColor4f(1.0, 1.0, 1.0, 1.0);
+       glLineWidth(2);
+#else
        glCullFace(GL_BACK);
        glEnable(GL_CULL_FACE);
 
@@ -129,15 +150,6 @@ static void _set_visuals(GritsOpenGL *opengl)
        glDepthFunc(GL_LEQUAL);
        glEnable(GL_DEPTH_TEST);
 #endif
-
-       glEnable(GL_LINE_SMOOTH);
-
-       glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-       //glShadeModel(GL_FLAT);
-
-       g_mutex_lock(opengl->sphere_lock);
-       roam_sphere_update_view(opengl->sphere);
-       g_mutex_unlock(opengl->sphere_lock);
 }
 
 static GPtrArray *_objects_to_array(GritsOpenGL *opengl, gboolean ortho)
@@ -159,19 +171,6 @@ static GPtrArray *_objects_to_array(GritsOpenGL *opengl, gboolean ortho)
 /*************
  * Callbacks *
  *************/
-static gboolean on_configure(GritsOpenGL *opengl, GdkEventConfigure *event, gpointer _)
-{
-       g_debug("GritsOpenGL: on_configure");
-
-       _set_visuals(opengl);
-#ifndef ROAM_DEBUG
-       g_mutex_lock(opengl->sphere_lock);
-       roam_sphere_update_errors(opengl->sphere);
-       g_mutex_unlock(opengl->sphere_lock);
-#endif
-
-       return FALSE;
-}
 
 static gint run_picking(GritsOpenGL *opengl, GdkEvent *event,
                GPtrArray *objects, GritsObject **top)
@@ -216,7 +215,7 @@ static gint run_picking(GritsOpenGL *opengl, GdkEvent *event,
        return hits;
 }
 
-static gboolean on_motion_notify(GritsOpenGL *opengl, GdkEventMotion *event, gpointer _)
+static gboolean run_mouse_move(GritsOpenGL *opengl, GdkEventMotion *event)
 {
        gdouble height = GTK_WIDGET(opengl)->allocation.height;
        gdouble gl_x   = event->x;
@@ -236,7 +235,7 @@ static gboolean on_motion_notify(GritsOpenGL *opengl, GdkEventMotion *event, gpo
        glMatrixMode(GL_MODELVIEW);  glPushMatrix();
        glMatrixMode(GL_PROJECTION); glPushMatrix();
 
-       g_mutex_lock(opengl->objects_lock);
+       g_mutex_lock(&opengl->objects_lock);
 
        GritsObject *top = NULL;
        GPtrArray *ortho = _objects_to_array(opengl, TRUE);
@@ -265,14 +264,13 @@ static gboolean on_motion_notify(GritsOpenGL *opengl, GdkEventMotion *event, gpo
        GdkCursor *topcursor = top && top->cursor ? top->cursor : cursor;
        gdk_window_set_cursor(window, topcursor);
 
-       g_debug("GritsOpenGL: on_motion_notify - hits=%d/%d,%d/%d ev=%.0lf,%.0lf",
+       g_debug("GritsOpenGL: run_mouse_move - hits=%d/%d,%d/%d ev=%.0lf,%.0lf",
                        world_hits, world->len, ortho_hits, ortho->len, gl_x, gl_y);
 
        g_ptr_array_free(world, TRUE);
        g_ptr_array_free(ortho, TRUE);
 
-       g_mutex_unlock(opengl->objects_lock);
-
+       g_mutex_unlock(&opengl->objects_lock);
 
        /* Test unproject */
        //gdouble lat, lon, elev;
@@ -289,6 +287,13 @@ static gboolean on_motion_notify(GritsOpenGL *opengl, GdkEventMotion *event, gpo
        return FALSE;
 }
 
+static gboolean on_motion_notify(GritsOpenGL *opengl, GdkEventMotion *event, gpointer _)
+{
+       opengl->mouse_queue = *event;
+       gtk_widget_queue_draw(GTK_WIDGET(opengl));
+       return FALSE;
+}
+
 static void _draw_level(gpointer _level, gpointer _opengl)
 {
        GritsOpenGL *opengl = _opengl;
@@ -353,27 +358,31 @@ static gboolean on_expose(GritsOpenGL *opengl, GdkEventExpose *event, gpointer _
        g_debug("GritsOpenGL: on_expose - begin");
 
        if (opengl->pickmode)
-               return on_motion_notify(opengl, (GdkEventMotion*)event, NULL);
+               return run_mouse_move(opengl, (GdkEventMotion*)event);
+
+       if (opengl->mouse_queue.type != GDK_NOTHING) {
+               run_mouse_move(opengl, &opengl->mouse_queue);
+               opengl->mouse_queue.type = GDK_NOTHING;
+       }
 
        gtk_gl_begin(GTK_WIDGET(opengl));
 
+       _set_settings(opengl);
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
-       _set_visuals(opengl);
+#ifndef ROAM_DEBUG
+       roam_sphere_update_errors(opengl->sphere);
+       roam_sphere_split_merge(opengl->sphere);
+#endif
+
 #ifdef ROAM_DEBUG
-       glColor4f(1.0, 1.0, 1.0, 1.0);
-       glLineWidth(2);
-       glDisable(GL_TEXTURE_2D);
-       glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
        roam_sphere_draw(opengl->sphere);
+       roam_sphere_draw_normals(opengl->sphere);
        (void)_draw_level;
-       //roam_sphere_draw_normals(opengl->sphere);
 #else
-       g_mutex_lock(opengl->objects_lock);
-       if (opengl->wireframe)
-               glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+       g_mutex_lock(&opengl->objects_lock);
        g_queue_foreach(opengl->objects, _draw_level, opengl);
-       g_mutex_unlock(opengl->objects_lock);
+       g_mutex_unlock(&opengl->objects_lock);
 #endif
 
        gtk_gl_end(GTK_WIDGET(opengl));
@@ -421,40 +430,6 @@ static gboolean on_chained_event(GritsOpenGL *opengl, GdkEvent *event, gpointer
        return FALSE;
 }
 
-static gboolean _update_errors_cb(gpointer _opengl)
-{
-       GritsOpenGL *opengl = _opengl;
-       g_mutex_lock(opengl->sphere_lock);
-       roam_sphere_update_errors(opengl->sphere);
-       g_mutex_unlock(opengl->sphere_lock);
-       opengl->ue_source = 0;
-       return FALSE;
-}
-static void on_view_changed(GritsOpenGL *opengl,
-               gdouble _1, gdouble _2, gdouble _3)
-{
-       g_debug("GritsOpenGL: on_view_changed");
-       _set_visuals(opengl);
-#ifndef ROAM_DEBUG
-       if (!opengl->ue_source)
-               opengl->ue_source = g_idle_add_full(G_PRIORITY_HIGH_IDLE+30,
-                               _update_errors_cb, opengl, NULL);
-       //roam_sphere_update_errors(opengl->sphere);
-#else
-       (void)_update_errors_cb;
-#endif
-}
-
-static gboolean on_idle(GritsOpenGL *opengl)
-{
-       //g_debug("GritsOpenGL: on_idle");
-       g_mutex_lock(opengl->sphere_lock);
-       if (roam_sphere_split_merge(opengl->sphere))
-               gtk_widget_queue_draw(GTK_WIDGET(opengl));
-       g_mutex_unlock(opengl->sphere_lock);
-       return TRUE;
-}
-
 static void on_realize(GritsOpenGL *opengl, gpointer _)
 {
        g_debug("GritsOpenGL: on_realize");
@@ -462,13 +437,13 @@ static void on_realize(GritsOpenGL *opengl, gpointer _)
 
        /* 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(on_configure),    NULL);
+       g_signal_connect(opengl, "configure-event",  G_CALLBACK(_set_projection), NULL);
        g_signal_connect(opengl, "expose-event",     G_CALLBACK(on_expose),       NULL);
 
        g_signal_connect(opengl, "key-press-event",  G_CALLBACK(on_key_press),    NULL);
 
-       g_signal_connect(opengl, "location-changed", G_CALLBACK(on_view_changed), NULL);
-       g_signal_connect(opengl, "rotation-changed", G_CALLBACK(on_view_changed), NULL);
+       g_signal_connect(opengl, "location-changed", G_CALLBACK(_set_projection), NULL);
+       g_signal_connect(opengl, "rotation-changed", G_CALLBACK(_set_projection), NULL);
 
        g_signal_connect(opengl, "motion-notify-event", G_CALLBACK(on_motion_notify), NULL);
        g_signal_connect_after(opengl, "key-press-event",      G_CALLBACK(on_chained_event), NULL);
@@ -477,14 +452,6 @@ static void on_realize(GritsOpenGL *opengl, gpointer _)
        g_signal_connect_after(opengl, "button-release-event", G_CALLBACK(on_chained_event), NULL);
        g_signal_connect_after(opengl, "motion-notify-event",  G_CALLBACK(on_chained_event), NULL);
 
-#ifndef ROAM_DEBUG
-       opengl->sm_source[0] = g_timeout_add_full(G_PRIORITY_HIGH_IDLE+30, 33,  (GSourceFunc)on_idle, opengl, NULL);
-       opengl->sm_source[1] = g_timeout_add_full(G_PRIORITY_HIGH_IDLE+10, 500, (GSourceFunc)on_idle, opengl, NULL);
-#else
-       (void)on_idle;
-       (void)_update_errors_cb;
-#endif
-
        /* Re-queue resize incase configure was triggered before realize */
        gtk_widget_queue_resize(GTK_WIDGET(opengl));
 }
@@ -561,7 +528,7 @@ static void grits_opengl_set_height_func(GritsViewer *_opengl, GritsBounds *boun
 {
        GritsOpenGL *opengl = GRITS_OPENGL(_opengl);
        /* TODO: get points? */
-       g_mutex_lock(opengl->sphere_lock);
+       g_mutex_lock(&opengl->sphere_lock);
        GList *triangles = roam_sphere_get_intersect(opengl->sphere, TRUE,
                        bounds->n, bounds->s, bounds->e, bounds->w);
        for (GList *cur = triangles; cur; cur = cur->next) {
@@ -577,7 +544,7 @@ static void grits_opengl_set_height_func(GritsViewer *_opengl, GritsBounds *boun
                }
        }
        g_list_free(triangles);
-       g_mutex_unlock(opengl->sphere_lock);
+       g_mutex_unlock(&opengl->sphere_lock);
 }
 
 static void _grits_opengl_clear_height_func_rec(RoamTriangle *root)
@@ -620,18 +587,18 @@ static void _objects_free(gpointer value, gpointer _)
 {
        struct RenderLevel *level = value;
        if (level->sorted.next)
-               g_list_free(level->sorted.next);
+               g_list_free_full(level->sorted.next, g_object_unref);
        if (level->unsorted.next)
-               g_list_free(level->unsorted.next);
+               g_list_free_full(level->unsorted.next, g_object_unref);
        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));
        GritsOpenGL *opengl = GRITS_OPENGL(_opengl);
-       g_mutex_lock(opengl->objects_lock);
+       g_mutex_lock(&opengl->objects_lock);
        struct RenderLevel *level = NULL;
        GList *tmp = g_queue_find_custom(opengl->objects, &num, _objects_find);
        if (tmp) {
@@ -650,26 +617,22 @@ static gpointer grits_opengl_add(GritsViewer *_opengl, GritsObject *object,
        if (list->next)
                list->next->prev = link;
        list->next = link;
-       g_mutex_unlock(opengl->objects_lock);
-       return link;
+       object->ref = link;
+       g_mutex_unlock(&opengl->objects_lock);
 }
 
-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);
+       g_mutex_lock(&opengl->objects_lock);
        GList *link = object->ref;
-       g_mutex_lock(opengl->objects_lock);
        /* 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);
-       g_object_unref(object);
-       return object;
+       g_mutex_unlock(&opengl->objects_lock);
 }
 
 /****************
@@ -679,10 +642,10 @@ G_DEFINE_TYPE(GritsOpenGL, grits_opengl, GRITS_TYPE_VIEWER);
 static void grits_opengl_init(GritsOpenGL *opengl)
 {
        g_debug("GritsOpenGL: init");
-       opengl->objects      = g_queue_new();
-       opengl->objects_lock = g_mutex_new();
-       opengl->sphere       = roam_sphere_new(opengl);
-       opengl->sphere_lock  = g_mutex_new();
+       opengl->objects = g_queue_new();
+       opengl->sphere  = roam_sphere_new(opengl);
+       g_mutex_init(&opengl->objects_lock);
+       g_mutex_init(&opengl->sphere_lock);
        gtk_gl_enable(GTK_WIDGET(opengl));
        gtk_widget_add_events(GTK_WIDGET(opengl), GDK_KEY_PRESS_MASK);
        g_signal_connect(opengl, "map", G_CALLBACK(on_realize), NULL);
@@ -691,17 +654,13 @@ static void grits_opengl_dispose(GObject *_opengl)
 {
        g_debug("GritsOpenGL: dispose");
        GritsOpenGL *opengl = GRITS_OPENGL(_opengl);
-       if (opengl->sm_source[0]) {
-               g_source_remove(opengl->sm_source[0]);
-               opengl->sm_source[0] = 0;
-       }
-       if (opengl->sm_source[1]) {
-               g_source_remove(opengl->sm_source[1]);
-               opengl->sm_source[1] = 0;
-       }
-       if (opengl->ue_source) {
-               g_source_remove(opengl->ue_source);
-               opengl->ue_source = 0;
+       if (opengl->objects) {
+               GQueue *objects = opengl->objects;;
+               opengl->objects = NULL;
+               g_mutex_lock(&opengl->objects_lock);
+               g_queue_foreach(objects, _objects_free, NULL);
+               g_queue_free(objects);
+               g_mutex_unlock(&opengl->objects_lock);
        }
        G_OBJECT_CLASS(grits_opengl_parent_class)->dispose(_opengl);
 }
@@ -710,10 +669,9 @@ static void grits_opengl_finalize(GObject *_opengl)
        g_debug("GritsOpenGL: finalize");
        GritsOpenGL *opengl = GRITS_OPENGL(_opengl);
        roam_sphere_free(opengl->sphere);
-       g_queue_foreach(opengl->objects, _objects_free, NULL);
-       g_queue_free(opengl->objects);
-       g_mutex_free(opengl->objects_lock);
-       g_mutex_free(opengl->sphere_lock);
+       g_mutex_clear(&opengl->objects_lock);
+       g_mutex_clear(&opengl->sphere_lock);
+       gtk_gl_disable(GTK_WIDGET(opengl));
        G_OBJECT_CLASS(grits_opengl_parent_class)->finalize(_opengl);
 }
 static void grits_opengl_class_init(GritsOpenGLClass *klass)