From 14e9a61ebc75c06d42fc41e0eabc28a2e61f3691 Mon Sep 17 00:00:00 2001
From: ChibiDenDen <pdaniq@gmail.com>
Date: Wed, 17 May 2023 19:02:17 +0300
Subject: [PATCH] Verify gles3 cached shader load successful

---
 drivers/gles3/shader_gles3.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gles3/shader_gles3.cpp b/drivers/gles3/shader_gles3.cpp
index ded5793e8f8..abf13fe5abe 100644
--- a/drivers/gles3/shader_gles3.cpp
+++ b/drivers/gles3/shader_gles3.cpp
@@ -564,6 +564,13 @@ bool ShaderGLES3::_load_from_cache(Version *p_version) {
 			specialization.id = glCreateProgram();
 			glProgramBinary(specialization.id, variant_format, variant_bytes.ptr(), variant_bytes.size());
 
+			GLint link_status = 0;
+			glGetProgramiv(specialization.id, GL_LINK_STATUS, &link_status);
+			if (link_status != GL_TRUE) {
+				WARN_PRINT_ONCE("Failed to load cached shader, recompiling.");
+				return false;
+			}
+
 			_get_uniform_locations(specialization, p_version);
 
 			specialization.ok = true;