#include <cmath>
+#include <msp/gl/extensions/arb_texture_storage.h>
#include <msp/gl/extensions/ext_texture3d.h>
#include <msp/graphics/image.h>
#include "bindable.h"
if(allocated&(1<<level))
return;
- PixelFormat base_fmt = get_base_pixelformat(ifmt);
- image(level, base_fmt, get_alloc_type(base_fmt), 0);
+ if(ARB_texture_storage)
+ {
+ BindRestore _bind(this);
+ unsigned n_levels = (is_mipmapped(min_filter) ? get_n_levels() : 1);
+ glTexStorage3D(target, n_levels, ifmt, width, height, depth);
+ allocated |= (1<<n_levels)-1;
+ }
+ else
+ {
+ PixelFormat base_fmt = get_base_pixelformat(ifmt);
+ image(level, base_fmt, get_alloc_type(base_fmt), 0);
+ }
}
void Texture3D::image(unsigned level, PixelFormat fmt, DataType type, const void *data)
get_level_size(level, w, h, d);
BindRestore _bind(this);
- glTexImage3D(target, level, ifmt, width, height, depth, 0, fmt, type, data);
+ if(ARB_texture_storage)
+ sub_image(level, 0, 0, 0, w, h, d, fmt, type, data);
+ else
+ glTexImage3D(target, level, ifmt, width, height, depth, 0, fmt, type, data);
allocated |= 1<<level;
if(gen_mipmap && level==0)