xgl: Add missing formats and remove channel mapping
Alpha header version: r29599
Changed formats:
XGL_FMT_BC1_UNORM => XGL_FMT_BC1_RGB_UNORM
XGL_FMT_BC1_SRGB => XGL_FMT_BC1_RGB_SRGB
XGL_FMT_ASTC_4x5_UNORM => XGL_FMT_ASTC_5x4_UNORM
XGL_FMT_ASTC_4x5_SRGB => XGL_FMT_ASTC_5x4_SRGB
New formats:
XGL_FMT_BC1_RGBA_UNORM
XGL_FMT_BC1_RGBA_SRGB
XGL_FMT_ETC2_R8G8B8_SRGB
XGL_FMT_ETC2_R8G8B8A1_SRGB
XGL_FMT_ETC2_R8G8B8A8_SRGB
XGL_FMT_B4G4R4A4_UNORM
XGL_FMT_B5G5R5A1_UNORM
None of the new formats are currently supported in the sample driver.