d3dadapter/present: Add new API to ID3DPresent
d3dadapter/present: Add new API to ID3DPresent

The API will enable better support for the commonly
used DISCARD swapchain parameter.

Signed-off-by: Axel Davy <2b6ef604b998fb81662f85c329e4fc020eae8e5d@ens.fr>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler