// If this isn't declared static, it never gets called!!!!!!!!!
static void
init_params(TEXTUREglptr& tex)
{
// set parameters for 1D toon shading
if (tex) {
tex->set_wrap_s(GL_CLAMP_TO_EDGE);
tex->set_wrap_t(GL_CLAMP_TO_EDGE);
tex->set_mipmap(false);
}
}
int
FlatShadeTexture::draw(CVIEWptr& v)
{
if (_ctrl)
return _ctrl->draw(v);
_cb->alpha = alpha();
if (!_patch)
return 0;
// Don't draw w/ texture maps if there are no uv coords at all.
// but don't check every frame whether there are uv coords:
if (_check_uv_coords_stamp != _patch->stamp()) {
_has_uv_coords = _patch->cur_faces().any_satisfy(HasUVFaceFilter());
_check_uv_coords_stamp = _patch->stamp();
}
// Set gl state (lighting, shade model)
glPushAttrib(GL_ENABLE_BIT | GL_LIGHTING_BIT | GL_CURRENT_BIT);
glEnable(GL_LIGHTING); // GL_ENABLE_BIT
glShadeModel(GL_FLAT); // GL_LIGHTING_BIT
GL_COL(_patch->color(), alpha()); // GL_CURRENT_BIT
if (debug_uv()) {
//assign some texture coords if no tex_coord_gen is assigned
if (!_patch->tex_coord_gen()) {
_patch->set_tex_coord_gen(new GLSphirTexCoordGen);
}
// decide what image file to use to show the uv-coords:
str_ptr debug_uv_tex_name =
Config::get_var_str("DEBUG_UV_TEX_MAP", "checkerboard.png",true);
static str_ptr pre_path = Config::JOT_ROOT() + "nprdata/other_textures/";
str_ptr path = pre_path + debug_uv_tex_name;
// we only try a given pathname once. but if it fails
// and they reset DEBUG_UV_TEX_MAP while running the
// program we can pick up the change and try again.
if (path != _debug_tex_path) {
_debug_tex_path = path;
TEXTUREglptr tex = new TEXTUREgl(_debug_tex_path);
bool do_mipmap = Config::get_var_bool("DEBUG_TEX_USE_MIPMAP",false);
tex->set_mipmap(do_mipmap);
_debug_uv_tex = tex;
_debug_uv_in_dl = false;
if (debug) {
cerr << "Loading debug uv texture " << **path << " ..." << endl;
}
if (!_debug_uv_tex->load_texture()) {
cerr << "Can't load debug uv texture: "
<< **_debug_tex_path
<< endl
<< "Set environment variable DEBUG_UV_TEX_MAP "
<< "to an image file in "
<< **pre_path
<< " and try again."
<< endl;
_debug_uv_tex = 0;
}
}
// Apply the texture if any faces have uv coordinates:
if (_debug_uv_tex /*&& _has_uv_coords*/) //<- using auto UV
_debug_uv_tex->apply_texture(); // GL_ENABLE_BIT
} else {
// XXX - dumb hack
check_patch_texture_map();
// if (_has_uv_coords) <- using auto UV
_patch->apply_texture(); // GL_ENABLE_BIT
}
// Set material parameters for OGL:
GtexUtil::setup_material(_patch);
// Try for the display list if it's valid
if (!(_debug_uv == _debug_uv_in_dl && BasicTexture::draw(v))) {
// Try to generate a display list
int dl = _dl.get_dl(v, 1, _patch->stamp());
if (dl) {
glNewList(dl, GL_COMPILE);
_debug_uv_in_dl = _debug_uv;
}
// Set up face culling for closed surfaces
if (!set_face_culling())
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE); // GL_LIGHTING_BIT
FlatShadeStripCB *flat_cb = dynamic_cast<FlatShadeStripCB*>(_cb);
if (flat_cb) {
// send texture coordinates?
if ((_debug_uv && _debug_uv_tex) ||
(_has_uv_coords && _patch->has_texture())) {
flat_cb->enable_texcoords();
} else {
flat_cb->disable_texcoords();
}
}
err_adv(debug && _debug_uv, " drawing uvs in flat shade");
// draw the triangle strips
_patch->draw_tri_strips(_cb);
// end the display list here
if (_dl.dl(v)) {
_dl.close_dl(v);
// the display list is built; now execute it
BasicTexture::draw(v);
}
}
// restore GL state
glPopAttrib();
// Have to move this outside the display list and gl push/pop attrib
// or else it's all:
/*
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
FlatShadeTexture::draw - End ***NOTE*** OpenGL Error: [500] 'Invalid Enumerator'
*/
if (_debug_uv) {
// Build the edge strip at the current subdivision level
Bedge_list edges = _patch->cur_edges();
edges.clear_flags();
// If secondary edges shouldn't be drawn, set their flags
// so they won't be drawn:
if (!BMESH::show_secondary_faces())
edges.secondary_edges().set_flags(1);
// Draw uv-discontinuity boundaries as yellow lines.
// Construct filter that accepts unreached uv-discontinuous
// edges of this patch:
UnreachedSimplexFilter unreached;
UVDiscontinuousEdgeFilter uvdisc;
PatchEdgeFilter mine(_patch->cur_patch());
EdgeStrip disc_edges(edges, unreached + uvdisc + mine);
if (!disc_edges.empty()) {
GtexUtil::draw_strip(disc_edges, 3, Color::yellow, 0.8);
}
}
GL_VIEW::print_gl_errors("FlatShadeTexture::draw - End");
return _patch->num_faces();
}
