From 352cbc2816f1ed1c391cf78203c5936ea78a4d4c Mon Sep 17 00:00:00 2001
From: PancakeTAS <pancake@mgnet.work>
Date: Fri, 18 Jul 2025 14:04:21 +0200
Subject: [PATCH] check all shaders are loaded early

---
 src/extract/extract.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/extract/extract.cpp b/src/extract/extract.cpp
index ea9b7f8..108336a 100644
--- a/src/extract/extract.cpp
+++ b/src/extract/extract.cpp
@@ -125,6 +125,11 @@ void Extract::extractShaders() {
         throw std::runtime_error("Unable to read Lossless.dll, is it installed?");
     peparse::IterRsrc(dll, on_resource, nullptr);
     peparse::DestructParsedPE(dll);
+
+    // ensure all shaders are present
+    for (const auto& [name, idx] : nameIdxTable)
+        if (shaders().find(idx) == shaders().end())
+            throw std::runtime_error("Shader not found: " + name + ".\nIs Lossless Scaling up to date?");
 }
 
 std::vector<uint8_t> Extract::getShader(const std::string& name) {