From 34d7b752d80aefa76135f8a5ccba1a566775ec99 Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Fri, 26 Jun 2020 21:39:12 +1000
Subject: [PATCH] GPU/ShaderGen: Enable GL_ARB_shader_storage_buffer_object on
 <GL4.3

---
 src/core/gpu_hw_shadergen.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/gpu_hw_shadergen.cpp b/src/core/gpu_hw_shadergen.cpp
index 0abe8c866..a0702b2e8 100644
--- a/src/core/gpu_hw_shadergen.cpp
+++ b/src/core/gpu_hw_shadergen.cpp
@@ -105,6 +105,10 @@ void GPU_HW_ShaderGen::WriteHeader(std::stringstream& ss)
 
     if (!GLAD_GL_VERSION_3_2)
       ss << "#extension GL_ARB_uniform_buffer_object : require\n";
+
+    // Enable SSBOs if it's not required by the version.
+    if (!GLAD_GL_VERSION_4_3 && !GLAD_GL_ES_VERSION_3_1 && GLAD_GL_ARB_shader_storage_buffer_object)
+      ss << "#extension GL_ARB_shader_storage_buffer_object : require\n";
   }
 
   DefineMacro(ss, "API_OPENGL", m_render_api == HostDisplay::RenderAPI::OpenGL);