[PATCH] wined3d: Implement buffer texture range.

[Józef Kucia]

Please add a test.

On Sun, Jan 29, 2017 at 12:25 AM, Guillaume Charifi
<guillaume.charifi at sfr.fr> wrote:
> +            GL_EXTCALL(glTexBufferRange(GL_TEXTURE_BUFFER, view_format->glInternal, buffer->buffer_object,
> +                    desc->u.buffer.start_idx, desc->u.buffer.count));

This is wrong.