X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fgis-opengl.c;h=9a88896eccb5d67e3b2c9da580cf7c684157d5b1;hp=49fd84af54087c9af9aefcbf84b4ea13f4aa1c4d;hb=c2e39b9d64035038a19d753129cc2124b4ed1382;hpb=34c7dbdf473f66024fd3ab3301b9921593d9d420 diff --git a/src/gis-opengl.c b/src/gis-opengl.c index 49fd84a..9a88896 100644 --- a/src/gis-opengl.c +++ b/src/gis-opengl.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009 Andy Spencer + * Copyright (C) 2009-2010 Andy Spencer * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -88,7 +88,7 @@ static void _set_visuals(GisOpenGL *self) float material_ambient[] = {0.2, 0.2, 0.2, 1.0}; float material_diffuse[] = {0.8, 0.8, 0.8, 1.0}; - float material_specular[] = {0.0, 0.0, 0.0, 1.0}; + float material_specular[] = {0.1, 0.1, 0.1, 1.0}; float material_emission[] = {0.0, 0.0, 0.0, 1.0}; glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, material_ambient); glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, material_diffuse); @@ -102,12 +102,6 @@ static void _set_visuals(GisOpenGL *self) glRotatef(lat, 1, 0, 0); glRotatef(-lon, 0, 1, 0); - /* Misc */ - gdouble rg = MAX(0, 1-(elev/20000)); - gdouble blue = MAX(0, 1-(elev/50000)); - glClearColor(MIN(0.65,rg), MIN(0.65,rg), MIN(1,blue), 1.0f); - glColor4f(1, 1, 1, 1); - glDisable(GL_ALPHA_TEST); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); @@ -270,7 +264,9 @@ static void on_realize(GisOpenGL *self, gpointer _) { g_debug("GisOpenGL: on_realize"); _set_visuals(self); + g_mutex_lock(self->sphere_lock); roam_sphere_update_errors(self->sphere); + g_mutex_unlock(self->sphere_lock); } static gboolean on_configure(GisOpenGL *self, GdkEventConfigure *event, gpointer _) { @@ -288,7 +284,9 @@ static gboolean on_configure(GisOpenGL *self, GdkEventConfigure *event, gpointer gluPerspective(rad2deg(ang)*2, width/height, 1, 10*EARTH_R); #ifndef ROAM_DEBUG + g_mutex_lock(self->sphere_lock); roam_sphere_update_errors(self->sphere); + g_mutex_unlock(self->sphere_lock); #endif _gis_opengl_end(self); @@ -311,7 +309,8 @@ static gboolean _draw_level(gpointer key, gpointer value, gpointer user_data) /* Freeze depth buffer and draw transparent objects sorted */ /* TODO: sorting */ - glDepthMask(FALSE); + //glDepthMask(FALSE); + glAlphaFunc(GL_GREATER, 0.1); for (cur = level->sorted.next; cur; cur = cur->next, nsorted++) _draw_object(self, GIS_OBJECT(cur->data)); @@ -402,8 +401,10 @@ static gboolean on_idle(GisOpenGL *self) //g_debug("GisOpenGL: on_idle"); gdk_threads_enter(); _gis_opengl_begin(self); + g_mutex_lock(self->sphere_lock); if (roam_sphere_split_merge(self->sphere)) gtk_widget_queue_draw(GTK_WIDGET(self)); + g_mutex_unlock(self->sphere_lock); _gis_opengl_end(self); gdk_threads_leave(); return TRUE; @@ -475,12 +476,30 @@ static void gis_opengl_render_tile(GisViewer *_self, GisTile *tile) gdouble londist = e - w; gdouble latdist = n - s; - gdouble xy[][3] = { + gdouble xy[3][2] = { {(lon[0]-w)/londist, 1-(lat[0]-s)/latdist}, {(lon[1]-w)/londist, 1-(lat[1]-s)/latdist}, {(lon[2]-w)/londist, 1-(lat[2]-s)/latdist}, }; + //if ((lat[0] == 90 && (xy[0][0] < 0 || xy[0][0] > 1)) || + // (lat[1] == 90 && (xy[1][0] < 0 || xy[1][0] > 1)) || + // (lat[2] == 90 && (xy[2][0] < 0 || xy[2][0] > 1))) + // g_message("w,e=%4.f,%4.f " + // "lat,lon,x,y=" + // "%4.1f,%4.0f,%4.2f,%4.2f " + // "%4.1f,%4.0f,%4.2f,%4.2f " + // "%4.1f,%4.0f,%4.2f,%4.2f ", + // w,e, + // lat[0], lon[0], xy[0][0], xy[0][1], + // lat[1], lon[1], xy[1][0], xy[1][1], + // lat[2], lon[2], xy[2][0], xy[2][1]); + + /* Fix poles */ + if (lat[0] == 90 || lat[0] == -90) xy[0][0] = 0.5; + if (lat[1] == 90 || lat[1] == -90) xy[1][0] = 0.5; + if (lat[2] == 90 || lat[2] == -90) xy[2][0] = 0.5; + glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, *(guint*)tile->data); glBegin(GL_TRIANGLES); @@ -517,18 +536,23 @@ static void gis_opengl_set_height_func(GisViewer *_self, GisTile *tile, if (!tile) return; /* TODO: get points? */ + g_mutex_lock(self->sphere_lock); GList *triangles = roam_sphere_get_intersect(self->sphere, TRUE, tile->edge.n, tile->edge.s, tile->edge.e, tile->edge.w); for (GList *cur = triangles; cur; cur = cur->next) { RoamTriangle *tri = cur->data; RoamPoint *points[] = {tri->p.l, tri->p.m, tri->p.r, tri->split}; for (int i = 0; i < G_N_ELEMENTS(points); i++) { - points[i]->height_func = height_func; - points[i]->height_data = user_data; - roam_point_update_height(points[i]); + if (tile->edge.n >= points[i]->lat && points[i]->lat >= tile->edge.s && + tile->edge.e >= points[i]->lon && points[i]->lon >= tile->edge.w) { + points[i]->height_func = height_func; + points[i]->height_data = user_data; + roam_point_update_height(points[i]); + } } } g_list_free(triangles); + g_mutex_unlock(self->sphere_lock); } static void _gis_opengl_clear_height_func_rec(RoamTriangle *root) @@ -624,6 +648,7 @@ static void gis_opengl_init(GisOpenGL *self) self->objects = g_tree_new(_objects_cmp); self->sphere = roam_sphere_new(self); + self->sphere_lock = g_mutex_new(); #ifndef ROAM_DEBUG self->sm_source[0] = g_timeout_add_full(G_PRIORITY_HIGH_IDLE+30, 33, (GSourceFunc)on_idle, self, NULL); @@ -651,10 +676,6 @@ static void gis_opengl_dispose(GObject *_self) g_source_remove(self->sm_source[1]); self->sm_source[1] = 0; } - if (self->sphere) { - roam_sphere_free(self->sphere); - self->sphere = NULL; - } /* TODO: Cleanup/free objects tree */ G_OBJECT_CLASS(gis_opengl_parent_class)->dispose(_self); } @@ -662,13 +683,15 @@ static void gis_opengl_finalize(GObject *_self) { g_debug("GisViewer: finalize"); GisOpenGL *self = GIS_OPENGL(_self); + roam_sphere_free(self->sphere); + g_mutex_free(self->sphere_lock); G_OBJECT_CLASS(gis_opengl_parent_class)->finalize(_self); } static void gis_opengl_class_init(GisOpenGLClass *klass) { g_debug("GisOpenGL: class_init"); GObjectClass *gobject_class = G_OBJECT_CLASS(klass); - gobject_class->dispose = gis_opengl_dispose; + gobject_class->dispose = gis_opengl_dispose; GisViewerClass *viewer_class = GIS_VIEWER_CLASS(klass); viewer_class->center_position = gis_opengl_center_position;