static Require _req(EXT_texture3D);
}
-void Texture3D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned dp)
+void Texture3D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned dp, unsigned lv)
{
if(width>0)
throw invalid_operation("Texture3D::storage");
width = wd;
height = ht;
depth = dp;
+ levels = get_n_levels();
+ if(lv>0)
+ levels = min(levels, lv);
}
void Texture3D::allocate(unsigned level)
{
if(width==0 || height==0 || depth==0)
throw invalid_operation("Texture3D::allocate");
+ if(level>=levels)
+ throw invalid_argument("Texture3D::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)
- glTextureStorage3D(id, n_levels, ifmt, width, height, depth);
+ glTextureStorage3D(id, levels, ifmt, width, height, depth);
else
{
BindRestore _bind(this);
- glTexStorage3D(target, n_levels, ifmt, width, height, depth);
+ glTexStorage3D(target, levels, ifmt, width, height, depth);
}
- allocated |= (1<<n_levels)-1;
+ allocated |= (1<<levels)-1;
}
else
{
glTexImage3D(target, level, ifmt, width, height, depth, 0, get_upload_format(fmt), type, data);
allocated |= 1<<level;
- if(gen_mipmap && level==0)
+ if(auto_gen_mipmap && level==0)
{
- auto_generate_mipmap();
+ generate_mipmap();
allocated |= (1<<get_n_levels())-1;
}
}
else
glTexSubImage3D(target, level, x, y, z, wd, ht, dp, fmt, type, data);
- if(gen_mipmap && level==0)
- auto_generate_mipmap();
+ if(auto_gen_mipmap && level==0)
+ generate_mipmap();
}
void Texture3D::load_image(const string &fn, int dp)
PixelFormat fmt = pixelformat_from_graphics(img.get_format());
if(width==0)
- storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h, d);
+ {
+ unsigned l = (is_mipmapped(min_filter) ? mipmap_levels ? mipmap_levels : 0 : 1);
+ storage(storage_pixelformat_from_graphics(img.get_format(), srgb), w, h, d, l);
+ }
else if(w!=width || h!=height || d!=depth)
throw incompatible_data("Texture3D::load_image");
void Texture3D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h, unsigned d)
{
- if(srgb)
- fmt = get_srgb_pixelformat(fmt);
obj.storage(fmt, w, h, d);
}