void
HaloRefImage::draw_objects(CGELlist& drawn)
{
assert(_view);
GELlist objects;
for (int i=0; i < drawn.num(); i++ ) {
if (drawn[i]->is_3D())
if (drawn[i]->name()!="Skybox") // XXX - hack!!
objects+=drawn[i];
}
objects.sort(GL_VIEW::depth_compare);
// setup projection matrix
glMatrixMode(GL_PROJECTION); // GL_TRANSFORM_BIT
glPushMatrix();
glLoadMatrixd(_view->cam()->projection_xform().transpose().matrix());
// setup modelview matrix
glMatrixMode(GL_MODELVIEW); // GL_TRANSFORM_BIT
glPushMatrix();
Wtransf mat = _view->cam()->xform().transpose();
glLoadMatrixd(mat.matrix());
glEnable(GL_BLEND); // GL_ENABLE_BIT
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // GL_COLOR_BUFFER_BIT
//clear the aux0 buffer
if (use_fbos)
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, _fbo);
else
glDrawBuffer(GL_AUX0);
glClearColor(1.0,1.0,1.0,0.0);
glClear(GL_COLOR_BUFFER_BIT);
if (use_fbos)
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
if (get_kernel_size()>0) { //no need to do this if kernel size is zero
glReadBuffer(GL_BACK);
for(int i=0; i<objects.num(); i++) {
glDrawBuffer(GL_BACK);
//clear back buffer
glClearColor(1.0,1.0,1.0,0.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (objects[i]->can_do_halo()) {
_pass_color = Color::black;
objects[i]->draw_halo_ref();
//perform the blur in GLSL
copy_to_scratch();
_blur_filter->draw(_view);
//render the white version on top
//clear Z-buffer
glClear(GL_DEPTH_BUFFER_BIT);
}
glDisable(GL_BLEND);
_pass_color = Color::white; //white
objects[i]->draw_halo_ref();
//accumulate
copy_to_scratch();
glEnable(GL_BLEND);
if (use_fbos)
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, _fbo);
else
glDrawBuffer(GL_AUX0);
draw_scratch(); //composite into AUX0 buffer
if (use_fbos)
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
}
//at this point the combined image exists in GL_AUX0 buffer
//it is copied to texture from there instead of being copied to back buffer
// restore projection matrix
glMatrixMode(GL_PROJECTION);
glPopMatrix();
// restore modelview matrix
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
void initialize_pysical_memory(void)
{
minfo.system_memory_blocks = sinfo.system_memory / ( KERNEL_PAGE_SIZE * 1024);
minfo.memory_map = (unsigned int *)(0x100000 + get_kernel_size());
}
