libfreerdp-gdi: start optimizing gdi bitmap update
libfreerdp-gdi: fix and cleanup new bitmap update code
xfreerdp: optimize bitmap updates
libfreerdp-gdi: fix bitmap caching
libfreerdp-cache: fix 15bpp
wfreerdp: fix gdi usage
libfreerdp-gdi: add RDP8 graphics pipeline support
Merge pull request #2097 from awakecoding/egfx

GDI Bitmap Update Optimization