1.1 --- a/src/renderer.cc	Tue Dec 18 06:13:09 2012 +0200
     1.2 +++ b/src/renderer.cc	Wed Dec 19 02:37:20 2012 +0200
     1.3 @@ -31,6 +31,7 @@
     1.4  	leveltex->create(vol->get_size(0), vol->get_size(1), vol->get_size(2));
     1.5  
     1.6  	blobtex = new Texture1D;
     1.7 +	blobtex->set_pixel_format(GL_RGBA16F);	// floating point textures
     1.8  	blobtex->create(level->blobs.size());
     1.9  	blobtex->set_filtering(GL_NEAREST);
    1.10  
    1.11 @@ -59,11 +60,14 @@
    1.12  
    1.13  static void draw_cube(const Vector3 &pos, float sz);
    1.14  
    1.15 +void Renderer::prepare()
    1.16 +{
    1.17 +	leveltex->update((float*)level->terrain->get_data_ptr());
    1.18 +	update_blobtex();
    1.19 +}
    1.20 +
    1.21  void Renderer::render() const
    1.22  {
    1.23 -	leveltex->update((float*)level->terrain->get_data_ptr());
    1.24 -	((Renderer*)this)->update_blobtex();
    1.25 -
    1.26  	bind_texture(leveltex, 0);
    1.27  	bind_texture(blobtex, 1);
    1.28  
    1.29 @@ -73,6 +77,8 @@
    1.30  			level->terrain->get_size(1), level->terrain->get_size(2));
    1.31  	set_uniform_float4(sdrprog, "camprop", fov, aspect, 0, 0);
    1.32  
    1.33 +	set_uniform_int(sdrprog, "num_blobs", (int)level->blobs.size());
    1.34 +
    1.35  	set_uniform_int(sdrprog, "voltex", 0);
    1.36  	set_uniform_int(sdrprog, "blobtex", 1);
    1.37  	bind_program(sdrprog);