CC: Rafael Antognolli <[email protected]>
CC: Jordan Justen <[email protected]>
CC: Jason Ekstrand <[email protected]>
Signed-off-by: Topi Pohjolainen <[email protected]>
---
src/intel/isl/isl.h | 6 ++++++
src/intel/isl/isl_surface_state.c | 11 +++++++++++
2 files changed, 17 insertions(+)
diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index d65c621..ee89e07 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1316,6 +1316,12 @@ struct isl_surf_fill_state_info {
uint64_t clear_address;
/**
+ * On gen11+, tells if the hardware should write the given clear color out
+ * for sampler and display engine in native format.
+ */
+ bool clear_color_conversion_enable;
+
+ /**
* Surface write disables for gen4-5
*/
isl_channel_mask_t write_disables;
diff --git a/src/intel/isl/isl_surface_state.c
b/src/intel/isl/isl_surface_state.c
index 77931f2..83bbbba 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -637,6 +637,17 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev,
void *state,
#endif
if (info->aux_usage != ISL_AUX_USAGE_NONE) {
+#if GEN_GEN >= 11
+ /* From the Ice Lake BSpec, RENDER_SURFACE_STATE:
+ *
+ * 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.
+ */
+ s.ClearColorConversionEnable = info->clear_color_conversion_enable;
+#else
+ assert(!info->clear_color_conversion_enable);
+#endif
#if GEN_GEN >= 10
s.ClearValueAddressEnable = true;
s.ClearValueAddress = info->clear_address;
--
2.7.4
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