From: Jason Ekstrand Date: Thu, 2 Feb 2017 17:51:55 +0000 (-0800) Subject: intel/isl: Add a better comment for format_supports_ccs_e X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=37a6f48ceb952193e4654e88f97ea7ff2bbd8882;p=mesa.git intel/isl: Add a better comment for format_supports_ccs_e Reviewed-by: Chad Versace Reviewed-by: Anuj Phogat --- diff --git a/src/intel/isl/isl_format.c b/src/intel/isl/isl_format.c index ef6c98d50b3..817b5e341dc 100644 --- a/src/intel/isl/isl_format.c +++ b/src/intel/isl/isl_format.c @@ -459,6 +459,12 @@ isl_format_supports_ccs_d(const struct gen_device_info *devinfo, return fmtl->bpb == 32 || fmtl->bpb == 64 || fmtl->bpb == 128; } +/** + * Returns true if the given format can support single-sample color + * compression. This function only checks the format. In order to determine + * if a surface supports CCS_E, several other factors need to be considered + * such as tiling and sample count. See isl_surf_get_ccs_surf for details. + */ bool isl_format_supports_ccs_e(const struct gen_device_info *devinfo, enum isl_format format)