From 406aa46cad83725c4560737aa6f2d4a40277a108 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Sun, 1 Sep 2024 12:20:21 +0000
Subject: unify shaders into a single interface.

---
 vertex.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'vertex.c')

diff --git a/vertex.c b/vertex.c
index 970bbbc..5701c23 100644
--- a/vertex.c
+++ b/vertex.c
@@ -13,6 +13,8 @@ _addvattr(Vertex *v, Vertexattr *va)
 {
 	int i;
 
+	assert(va->id != nil);
+
 	for(i = 0; i < v->nattrs; i++)
 		if(strcmp(v->attrs[i].id, va->id) == 0){
 			v->attrs[i] = *va;
@@ -118,7 +120,7 @@ getvattr(Vertex *v, char *id)
 	int i;
 
 	for(i = 0; i < v->nattrs; i++)
-		if(strcmp(v->attrs[i].id, id) == 0)
+		if(id != nil && strcmp(v->attrs[i].id, id) == 0)
 			return &v->attrs[i];
 	return nil;
 }
-- 
cgit v1.2.3