[Mesa-dev] [PATCH v3 36/43] i965/fs: Use half_precision data_format on 16-bit fb writes
Jose Maria Casanova Crespo
jmcasanova at igalia.com
Thu Oct 12 18:38:25 UTC 2017
From: Alejandro PiƱeiro <apinheiro at igalia.com>
---
src/intel/compiler/brw_fs_visitor.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/intel/compiler/brw_fs_visitor.cpp b/src/intel/compiler/brw_fs_visitor.cpp
index 758c8bf44a..e39bafdb42 100644
--- a/src/intel/compiler/brw_fs_visitor.cpp
+++ b/src/intel/compiler/brw_fs_visitor.cpp
@@ -439,6 +439,12 @@ fs_visitor::emit_fb_writes()
inst = emit_single_fb_write(abld, this->outputs[target],
this->dual_src_output, src0_alpha, 4);
inst->target = target;
+
+ /* Enables half-precision data_format for 16-bit outputs on
+ * Render Target Write Messages. Supported since cherry-view and
+ * Skylake.
+ */
+ inst->data_format = type_sz(this->outputs[target].type) == 2;
}
prog_data->dual_src_blend = (this->dual_src_output.file != BAD_FILE);
--
2.13.6
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