set_manager(0);
}
-void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht)
+void Texture2D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned lv)
{
if(width>0)
throw invalid_operation("Texture2D::storage");
set_internal_format(fmt);
width = wd;
height = ht;
+ levels = get_n_levels();
+ if(lv>0)
+ levels = min(levels, lv);
}
void Texture2D::allocate(unsigned level)
{
+ if(width==0 || height==0)
+ throw invalid_operation("Texture2D::allocate");
+ if(level>=levels)
+ throw invalid_argument("Texture2D::allocate");
if(allocated&(1<<level))
return;
if(ARB_texture_storage)
{
- unsigned n_levels = (is_mipmapped(min_filter) ? get_n_levels() : 1);
if(ARB_direct_state_access)
- glTextureStorage2D(id, n_levels, ifmt, width, height);
+ glTextureStorage2D(id, levels, ifmt, width, height);
else
{
BindRestore _bind(this);
- glTexStorage2D(target, n_levels, ifmt, width, height);
+ glTexStorage2D(target, levels, ifmt, width, height);
}
- allocated |= (1<<n_levels)-1;
+ allocated |= (1<<levels)-1;
}
else
{
unsigned h = img.get_height();
PixelFormat fmt = pixelformat_from_graphics(img.get_format());
if(width==0)
- storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h);
+ {
+ unsigned l = (is_mipmapped(min_filter) ? mipmap_levels ? mipmap_levels : 0 : 1);
+ storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h, l);
+ }
else if(w!=width || h!=height)
throw incompatible_data("Texture2D::image");
void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h)
{
- if(srgb)
- fmt = get_srgb_pixelformat(fmt);
obj.storage(fmt, w, h);
}