On 26 July 2016 at 19:09, Patrick Rudolph <siro at das-labor.org> wrote: > #define WINED3D_MAP_READONLY 0x0010 > +#define WINED3D_MAP_WRITEONLY 0x0020 But now the API is weird. What happens when both READONLY and WRITEONLY are set? I think the d3d11 model makes more sense.