From 14ab14ca039e1b921310e3be3a5f4d84f0d24f76 Mon Sep 17 00:00:00 2001
From: artdeell <ultramaksim@gmail.com>
Date: Mon, 13 Jan 2025 22:19:28 +0300
Subject: [PATCH] Add glGetError override controlled by LIBGL_NOERROR

---
 app/src/main/tinywrapper/es3_overrides.h |  3 ++-
 app/src/main/tinywrapper/main.c          | 16 ++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/app/src/main/tinywrapper/es3_overrides.h b/app/src/main/tinywrapper/es3_overrides.h
index 990e9b1..441ada9 100644
--- a/app/src/main/tinywrapper/es3_overrides.h
+++ b/app/src/main/tinywrapper/es3_overrides.h
@@ -119,4 +119,5 @@ GLESOVERRIDE(glTexParameterfv)
 GLESOVERRIDE(glTexParameteriv)
 GLESOVERRIDE(glTexParameterIiv)
 GLESOVERRIDE(glTexParameterIuiv)
-GLESOVERRIDE(glRenderbufferStorage)
\ No newline at end of file
+GLESOVERRIDE(glRenderbufferStorage)
+GLESOVERRIDE(glGetError)
\ No newline at end of file
diff --git a/app/src/main/tinywrapper/main.c b/app/src/main/tinywrapper/main.c
index 833e962..fdf4f70 100644
--- a/app/src/main/tinywrapper/main.c
+++ b/app/src/main/tinywrapper/main.c
@@ -434,6 +434,22 @@ void glDeleteTextures(GLsizei n, const GLuint *textures) {
     }
 }
 
+static bool noerror = false;
+
+__attribute((constructor)) void init_noerror() {
+    const char* noerror_env = getenv("LIBGL_NOERROR");
+    if(noerror_env == NULL) return;
+    noerror = (*noerror_env) != '0';
+    if(!noerror) {
+        printf("LTW will NOT ignore GL errors. This may break mods, consider yourself warned.\n");
+    }
+}
+
+GLenum glGetError() {
+    if(noerror) return 0;
+    else return es3_functions.glGetError();
+}
+
 void glDebugMessageControl( 	GLenum source,
                                GLenum type,
                                GLenum severity,