From 766c1a9bb934f95b424ba214d643d57d9378de20 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Wed, 30 Jan 2019 23:03:48 +0000
Subject: [PATCH] When patching shaders for separability, declare the extension

---
 renderdoc/driver/gl/gl_shader_refl.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/renderdoc/driver/gl/gl_shader_refl.cpp b/renderdoc/driver/gl/gl_shader_refl.cpp
index 903dfebff..cab0523e3 100644
--- a/renderdoc/driver/gl/gl_shader_refl.cpp
+++ b/renderdoc/driver/gl/gl_shader_refl.cpp
@@ -339,6 +339,12 @@ GLuint MakeSeparableShaderProgram(WrappedOpenGL &drv, GLenum type, vector<string
             if(!strncmp(&src[it], "es", 2))
               it += sizeof("es") - 1;
 
+            it++;
+
+            // next line after #version, insert the extension declaration
+            if(it < src.length())
+              src.insert(it, "#extension GL_ARB_separate_shader_objects : enable\n");
+
             // how deep are we in an #if. We want to place our definition
             // outside of any #ifs.
             int if_depth = 0;