From cb111c1a73fa0b2168b2003120a002bc207bdeed Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Thu, 2 Jan 2025 13:22:46 +1100
Subject: fix shader interpolator with no values

---
 sc/sc.cpp | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

(limited to 'sc/sc.cpp')

diff --git a/sc/sc.cpp b/sc/sc.cpp
index dfe4325..2bd1406 100644
--- a/sc/sc.cpp
+++ b/sc/sc.cpp
@@ -474,10 +474,12 @@ struct Desc {
 				ss << attr.name << ";\n";
 			}
 		}
-		ss << "layout (location = 0) out _Interpolator {\n";
-		for (const auto& i : interp)
-			ss << i.tname << " " << i.name << ";\n";
-		ss << "} interpolator;\n";
+		if (interp.size()) {
+			ss << "layout (location = 0) out _Interpolator {\n";
+			for (const auto& i : interp)
+				ss << i.tname << " " << i.name << ";\n";
+			ss << "} interpolator;\n";
+		}
 		add_textures(ss, shader_type_vertex);
 		add_cbuffers(ss, shader_type_vertex);
 		return ss.str();
@@ -492,10 +494,12 @@ struct Desc {
 			ss << attr.tname << " ";
 			ss << attr.name << ";\n";
 		}
-		ss << "layout (location = 0) in _Interpolator {\n";
-		for (const auto& i : interp)
-			ss << i.tname << " " << i.name << ";\n";
-		ss << "} interpolator;\n";
+		if (interp.size()) {
+			ss << "layout (location = 0) in _Interpolator {\n";
+			for (const auto& i : interp)
+				ss << i.tname << " " << i.name << ";\n";
+			ss << "} interpolator;\n";
+		}
 		add_textures(ss, shader_type_fragment);
 		add_cbuffers(ss, shader_type_fragment);
 		return ss.str();
-- 
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