From c91612c77539e8435d27bcfecb5d7d9ca93cbbc7 Mon Sep 17 00:00:00 2001
From: "Joseph C. Sible" <josephcsible@users.noreply.github.com>
Date: Sat, 18 Apr 2026 22:39:31 -0400
Subject: [PATCH] Print the filename and error when failing to open a texture

---
 textures.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/textures.cpp b/textures.cpp
index 446d66d2..30f59b72 100644
--- a/textures.cpp
+++ b/textures.cpp
@@ -258,7 +258,7 @@ bool texture_data::readtexture(string tn) {
 #elif CAP_PNG
   
   FILE *f = fopen(tn.c_str(), "rb");
-  if(!f) { printf("failed to open file\n"); return false; }
+  if(!f) { perror("fopen"); printf("failed to open file %s\n", tn.c_str()); return false; }
   png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
   if(!png) { printf("failed to create_read_struct\n"); return false; }
   if(setjmp(png_jmpbuf(png))) {