Prefer explicit mipmap generation with glGenerateMipmap

[libs/gl.git] / source / texture3d.cpp

diff --git a/source/texture3d.cpp b/source/texture3d.cpp
index d04a17e1fbb38bf81c507f9798406f75ca3b2942..7ea17b137e545d0fcc757173799f3598998788cb 100644 (file)
--- a/source/texture3d.cpp
+++ b/source/texture3d.cpp
@@ -80,9 +80,9 @@ void Texture3D::image(unsigned level, PixelFormat fmt, DataType type, const void
 
        BindRestore _bind(this);
        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);
+               return sub_image(level, 0, 0, 0, w, h, d, fmt, type, data);
+
+       glTexImage3D(target, level, ifmt, width, height, depth, 0, fmt, type, data);
 
        allocated |= 1<<level;
        if(gen_mipmap && level==0)
@@ -101,6 +101,9 @@ void Texture3D::sub_image(unsigned level, int x, int y, int z, unsigned wd, unsi
 
        BindRestore _bind(this);
        glTexSubImage3D(target, level, x, y, z, wd, ht, dp, fmt, type, data);
+
+       if(gen_mipmap && level==0)
+               auto_generate_mipmap();
 }
 
 void Texture3D::load_image(const string &fn, int dp)