From 366fcbf2d8d35e187e4d28e1410605c15b6da101 Mon Sep 17 00:00:00 2001 From: Sagar Ghuge Date: Wed, 18 Sep 2019 12:37:59 -0700 Subject: intel/isl: Support lossless compression with multisamples GEN12 adds the ability to losslessly compress each sample plane in a multisampled buffer that uses MCS compression. v2: Remove unnecessary assertion (Nanley Chery) Signed-off-by: Sagar Ghuge Reviewed-by: Nanley Chery --- src/intel/isl/isl.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c index b22cd009e83..7ca2dc7809b 100644 --- a/src/intel/isl/isl.c +++ b/src/intel/isl/isl.c @@ -1848,13 +1848,9 @@ isl_surf_get_ccs_surf(const struct isl_device *dev, if (aux_surf->usage & ISL_SURF_USAGE_CCS_BIT) return false; - /* Only multisampled depth buffers with HiZ can have CCS. */ - if (surf->samples > 1 && !(aux_surf->usage & ISL_SURF_USAGE_HIZ_BIT)) + if (ISL_DEV_GEN(dev) < 12 && surf->samples > 1) return false; - assert(surf->msaa_layout == ISL_MSAA_LAYOUT_NONE || - surf->msaa_layout == ISL_MSAA_LAYOUT_INTERLEAVED); - /* CCS support does not exist prior to Gen7 */ if (ISL_DEV_GEN(dev) <= 6) return false; -- cgit v1.2.3