Prefer RG pixelformats over LUMINANCE

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

diff --git a/source/texture3d.cpp b/source/texture3d.cpp
index 680880a820be1507ba81fb0c252eafdcd98677ad..85b3f075f5096e47d92800ad734958189d0f0fa1 100644 (file)
--- a/source/texture3d.cpp
+++ b/source/texture3d.cpp
@@ -83,7 +83,7 @@ void Texture3D::image(unsigned level, PixelFormat fmt, DataType type, const void
                return sub_image(level, 0, 0, 0, w, h, d, fmt, type, data);
 
        BindRestore _bind(this);
-       glTexImage3D(target, level, ifmt, width, height, depth, 0, fmt, type, data);
+       glTexImage3D(target, level, ifmt, width, height, depth, 0, get_upload_format(fmt), type, data);
 
        allocated |= 1<<level;
        if(gen_mipmap && level==0)
@@ -101,6 +101,7 @@ void Texture3D::sub_image(unsigned level, int x, int y, int z, unsigned wd, unsi
        Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
        allocate(level);
 
+       fmt = get_upload_format(fmt);
        if(ARB_direct_state_access)
                glTextureSubImage3D(id, level, x, y, z, wd, ht, dp, fmt, type, data);
        else