wrong offset computations.

the Scene code still breaks Direct3D rendering.

class, so that the calling code does not need to know what the backend is.

and Android changes.

issues that were introduced with the Direct3D changes.

retrieve the constant's register index in the description table. This also
allows us to use a single uniform handle for both the vertex and pixel
shaders in a PS3 Cg program.

support is still missing.

of compiler warnings in 64-bit mode when sizeof(foo) is used as the
argument for the array subscript operator. No need to care about the
non-signedness since only positive indices work.

cannot used DirectX 10 because my video card only supports DX9, and there
is no compatibility layer. DX11 has feature levels for older hardware so
it would work with a DX9 card, but it's not available for WinXP.

tweak the triangle tutorial to make it shorter.

otherwise Xbox 360 debugging does not work properly. For real.

works on the Xbox.

compilation and a few other tweaks.

link properly on the Xbox.

replace the well known DeBruijn sequence with a custom magic value to spare
one binary operation.