[Mesa-dev] [PATCH 29/29] intel/isl: Allow CCS_E on more formats

[Jason Ekstrand]

On CNL and above, CCS_E supports 1010102 formats and R11G11B10F.  We had
shut them off during early enabling because blorp_copy couldn't handle
them.  Now it can so we can turn them back on.
---
 src/intel/isl/isl_format.c | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/src/intel/isl/isl_format.c b/src/intel/isl/isl_format.c
index 793c84b..0eb7ae0 100644
--- a/src/intel/isl/isl_format.c
+++ b/src/intel/isl/isl_format.c
@@ -545,30 +545,6 @@ isl_format_supports_ccs_e(const struct gen_device_info *devinfo,
    if (!format_info[format].exists)
       return false;
 
-   /* For simplicity, only report that a format supports CCS_E if blorp can
-    * perform bit-for-bit copies with an image of that format while compressed.
-    * This allows ISL users to avoid having to resolve the image before
-    * performing such a copy. We may want to change this behavior in the
-    * future.
-    *
-    * R11G11B10_FLOAT has no equivalent UINT format. Given how blorp_copy
-    * currently works, bit-for-bit copy operations are not possible without an
-    * intermediate resolve.
-    */
-   if (format == ISL_FORMAT_R11G11B10_FLOAT)
-      return false;
-
-   /* blorp_copy currently doesn't support formats with different bit-widths
-    * per-channel. Until that support is added, report that these formats don't
-    * support CCS_E. FIXME: Add support for these formats.
-    */
-   if (format == ISL_FORMAT_B10G10R10A2_UNORM ||
-       format == ISL_FORMAT_B10G10R10A2_UNORM_SRGB ||
-       format == ISL_FORMAT_R10G10B10A2_UNORM ||
-       format == ISL_FORMAT_R10G10B10A2_UINT) {
-      return false;
-   }
-
    return format_gen(devinfo) >= format_info[format].ccs_e;
 }
 
-- 
2.5.0.400.gff86faf