From a753a857879eb0c46c199e9bd60b195ba17bb5fe Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Tue, 14 Jan 2025 08:09:08 +0100
Subject: [PATCH] #364 allow to use custom shaders with HD 4000 for some games
 at least

---
 src/render_ogl.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/render_ogl.c b/src/render_ogl.c
index cf85022..d1ac27e 100644
--- a/src/render_ogl.c
+++ b/src/render_ogl.c
@@ -253,8 +253,17 @@ static void ogl_build_programs()
             if (_stricmp(g_oglu_version_long, "4.0.0 - Build 10.18.10.4252") == 0 ||
                 _stricmp(g_oglu_version_long, "4.0.0 - Build 10.18.10.5161") == 0)
             {
-                shader_path[0] = 0;
-                g_config.shader[0] = 0;
+                /* First time compiling the shader works, second time fails */
+                static BOOL once;
+                if (!once)
+                {
+                    once = TRUE;
+                }
+                else
+                {
+                    shader_path[0] = 0;
+                    g_config.shader[0] = 0;
+                }
             }
 
             /* detect common upscaling shaders and disable them if no upscaling is required */