static unsigned int * CreateLists() {
static unsigned int lists[256]={0};
void * fnt0 = getFont(true,false);
void * fnt1 = getFont(true,true);
static bool use_bit = XMLSupport::parse_bool(vs_config->getVariable ("graphics","high_quality_font","false"));
static bool use_display_lists = XMLSupport::parse_bool (vs_config->getVariable ("graphics","text_display_lists","true"));
if (use_display_lists) {
for (unsigned int i=32;i<256;i++){
if ((i<128)||(i>=128+32)) {
lists[i]= GFXCreateList();
if (use_bit)
glutBitmapCharacter (i<128?fnt0:fnt1,i%128);
else
glutStrokeCharacter (GLUT_STROKE_ROMAN,i%128);
if (!GFXEndList ()) {
lists[i]=0;
}
}
}
}
return lists;
}
void GFXVertexList::RefreshDisplayList( )
{
#ifndef NO_VBO_SUPPORT
if (game_options.vbo && !vbo_data) {
if (glGenBuffersARB_p == 0 || glBindBufferARB_p == 0 || glBufferDataARB_p == 0 || glMapBufferARB_p == 0
|| glUnmapBufferARB_p == 0) {
game_options.vbo = 0;
} else {
(*glGenBuffersARB_p)(1, (GLuint*) &vbo_data);
if (changed&HAS_INDEX)
(*glGenBuffersARB_p)(1, (GLuint*) &display_list);
}
}
if (vbo_data) {
GFXBindBuffer( vbo_data );
(*glBufferDataARB_p)(GL_ARRAY_BUFFER_ARB, numVertices
*( (changed&HAS_COLOR) ? sizeof (GFXColorVertex) : sizeof (GFXVertex) ), data.vertices,
(changed&CHANGE_MUTABLE) ? GL_DYNAMIC_DRAW_ARB : GL_STATIC_DRAW_ARB);
if (changed&HAS_INDEX) {
GFXBindElementBuffer( display_list );
unsigned int tot = 0;
for (int i = 0; i < numlists; ++i)
tot += offsets[i];
unsigned int indexsize = (changed&INDEX_BYTE)
? sizeof (char)
: ( (changed&INDEX_SHORT)
? sizeof (unsigned short)
: sizeof (unsigned int) );
(*glBufferDataARB_p)(GL_ELEMENT_ARRAY_BUFFER_ARB, tot*indexsize, &index.b[0],
(changed&CHANGE_MUTABLE) ? GL_DYNAMIC_DRAW_ARB : GL_STATIC_DRAW_ARB);
}
return;
}
#endif
if ( (!gl_options.display_lists) || ( display_list && !(changed&CHANGE_CHANGE) ) || (changed&CHANGE_MUTABLE) )
return; //don't used lists if they're mutable
if (display_list)
GFXDeleteList( display_list );
int offset = 0;
display_list = GFXCreateList();
if (changed & HAS_COLOR) {
EnableArrays(data.colors);
} else {
EnableArrays(data.vertices);
}
for (int i = 0; i < numlists; i++) {
// Populate the display list with array data
if (changed & HAS_INDEX) {
switch (changed & (INDEX_BYTE|INDEX_INT|INDEX_SHORT)) {
case INDEX_BYTE:
glDrawElements( PolyLookup(mode[i]), offsets[i], GL_UNSIGNED_BYTE, index.b );
break;
case INDEX_SHORT:
glDrawElements( PolyLookup(mode[i]), offsets[i], GL_UNSIGNED_SHORT, index.s );
break;
case INDEX_INT:
glDrawElements( PolyLookup(mode[i]), offsets[i], GL_UNSIGNED_INT, index.i );
break;
default:
break;
}
} else {
glDrawArrays( PolyLookup(mode[i]), offset, offsets[i] );
}
offset += offsets[i];
}
if ( !GFXEndList() ) {
GFXDeleteList( display_list );
display_list = 0;
}
}
