Prefer explicit mipmap generation with glGenerateMipmap

[libs/gl.git] / source / texture2d.cpp

diff --git a/source/texture2d.cpp b/source/texture2d.cpp
index 4aad82d27ad9eeb71678e1b9b1d23386751c6ece..4d6e32f5550cd6f48ee68c71d957278b7ffe355e 100644 (file)
--- a/source/texture2d.cpp
+++ b/source/texture2d.cpp
@@ -91,9 +91,9 @@ void Texture2D::image(unsigned level, PixelFormat fmt, DataType type, const void
 
        BindRestore _bind(this);
        if(ARB_texture_storage)
-               sub_image(level, 0, 0, w, h, fmt, type, data);
-       else
-               glTexImage2D(target, level, ifmt, w, h, 0, fmt, type, data);
+               return sub_image(level, 0, 0, w, h, fmt, type, data);
+
+       glTexImage2D(target, level, ifmt, w, h, 0, fmt, type, data);
 
        allocated |= 1<<level;
        if(gen_mipmap && level==0)
@@ -112,6 +112,9 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
 
        BindRestore _bind(this);
        glTexSubImage2D(target, level, x, y, wd, ht, fmt, type, data);
+
+       if(gen_mipmap && level==0)
+               auto_generate_mipmap();
 }
 
 void Texture2D::image(const Graphics::Image &img, bool srgb)