Mesa (fast-color-clear): isl: Set ClearColorConversionEnable.
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Mon Apr 29 20:01:44 UTC 2019
Module: Mesa
Branch: fast-color-clear
Commit: a8e122d704ae72fec3cbe1e571849e67f03908b5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a8e122d704ae72fec3cbe1e571849e67f03908b5
Author: Plamena Manolova <plamena.manolova at intel.com>
Date: Thu Mar 14 22:28:20 2019 +0200
isl: Set ClearColorConversionEnable.
The ClearColorConversionEnable bit needs to be set
for GEN11 when inderect clear colors are used.
Signed-off-by: Plamena Manolova <plamena.n.manolova at gmail.com>
Reviewed-by: Rafael Antognolli <rafael.antognolli at intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery at intel.com>
---
src/intel/isl/isl_surface_state.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
index cf31b36ccbe..4887dedc364 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -618,6 +618,27 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state,
unreachable("Gen9 and earlier do not support indirect clear colors");
#endif
}
+
+#if GEN_GEN == 11
+ /*
+ * From BXML > GT > Shared Functions > vol5c Shared Functions >
+ * [Structure] RENDER_SURFACE_STATE [BDW+] > ClearColorConversionEnable:
+ *
+ * Project: Gen11
+ *
+ * "Enables Pixel backend hw to convert clear values into native format
+ * and write back to clear address, so that display and sampler can use
+ * the converted value for resolving fast cleared RTs."
+ *
+ * Summary:
+ * Clear color conversion must be enabled if the clear color is stored
+ * indirectly and fast color clears are enabled.
+ */
+ if (info->use_clear_address) {
+ s.ClearColorConversionEnable = true;
+ }
+#endif
+
#if GEN_GEN >= 9
if (!info->use_clear_address) {
s.RedClearColor = info->clear_color.u32[0];
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