namespace Msp {
namespace GL {
-Texture2D::Texture2D(ResourceManager *m):
- Texture2DBackend(m),
- width(0),
- height(0)
-{ }
-
Texture2D::~Texture2D()
{
set_manager(0);
{
if(width>0)
{
- if(fmt!=format || wd!=width || ht!=height || (lv && lv!=levels))
+ if(fmt!=format || wd!=width || ht!=height || (lv && lv!=n_levels))
throw incompatible_data("Texture2D::storage");
return;
}
set_format(fmt);
width = wd;
height = ht;
- levels = get_n_levels();
+ n_levels = count_levels(max(width, height));
if(lv>0)
- levels = min(levels, lv);
+ n_levels = min(n_levels, lv);
allocate();
}
return sub_image(level, 0, 0, size.x, size.y, data);
}
-void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, const void *data)
+void Texture2D::sub_image(unsigned level, unsigned x, unsigned y, unsigned wd, unsigned ht, const void *data)
{
if(width==0 || height==0)
throw invalid_operation("Texture2D::sub_image");
- if(level>=levels)
+ if(level>=n_levels || x>width || x+wd>width || y>height || y+ht>height)
throw out_of_range("Texture2D::sub_image");
Texture2DBackend::sub_image(level, x, y, wd, ht, data);
image(0, img.get_pixels());
}
-unsigned Texture2D::get_n_levels() const
-{
- unsigned n = 0;
- for(unsigned s=max(width, height); s; s>>=1, ++n) ;
- return n;
-}
-
LinAl::Vector<unsigned, 2> Texture2D::get_level_size(unsigned level) const
{
unsigned w = width>>level;
return LinAl::Vector<unsigned, 2>(w, h);
}
-Resource::AsyncLoader *Texture2D::load(IO::Seekable &io, const Resources *)
-{
- return create_async_loader(io);
-}
-
-uint64_t Texture2D::get_data_size() const
-{
- return id ? width*height*get_pixel_size(format) : 0;
-}
-
Texture2D::Loader::Loader(Texture2D &t):
DataFile::DerivedObjectLoader<Texture2D, Texture::Loader>(t)
void Texture2D::Loader::init()
{
- add("raw_data", &Loader::raw_data);
add("storage", &Loader::storage);
add("storage", &Loader::storage_levels);
}
-void Texture2D::Loader::raw_data(const string &data)
-{
- if(obj.manager)
- {
- obj.set_manager(0);
- if(!obj.id)
- obj.generate_id();
- }
- obj.image(0, data.data());
-}
-
void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h)
{
obj.storage(fmt, w, h);