d3dretrace: Add support for dual channel formats
d3dretrace: Add support for dual channel formats

Add support for D3DFMT_G32R32F and D3DFMT_G16R16F.

v2: add channelType

Signed-off-by: Patrick Rudolph <2af63f351b8bda7baf3a287b873bcd3ca66a59bb@das-labor.org>

apitrace/apitrace,apitrace/apitrace,schulmar/apitrace,apitrace/apitrace,apitrace/apitrace,schulmar/apitrace,schulmar/apitrace,schulmar/apitrace,schulmar/apitrace