From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 23 Jul 2019 23:22:57 +0000 (-0400)
Subject: radeonsi/nir: set input_interpolate_loc for color inputs
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=925161c84c2bb86032203245679ce3615c1e62b2;p=mesa.git

radeonsi/nir: set input_interpolate_loc for color inputs

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
---

diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index df46bb4cada..20031ad3f60 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -552,6 +552,16 @@ void si_nir_scan_shader(const struct nir_shader *nir,
 			if (semantic_name == TGSI_SEMANTIC_PRIMID)
 				info->uses_primid = true;
 
+			if (semantic_name == TGSI_SEMANTIC_COLOR) {
+				/* We only need this for color inputs. */
+				if (variable->data.sample)
+					info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_SAMPLE;
+				else if (variable->data.centroid)
+					info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_CENTROID;
+				else
+					info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_CENTER;
+			}
+
                         enum glsl_base_type base_type =
                                 glsl_get_base_type(glsl_without_array(variable->type));