Don't require OpenGL compatibility profile

src/core/gpu_hw_shadergen.cpp

@@ -59,8 +59,8 @@ void GPU_HW_ShaderGen::SetGLSLVersionString()
   }
 
   char buf[128];
-  std::snprintf(buf, sizeof(buf), "#version %d%02d %s", major_version, minor_version,
-                (!m_glsl_es && major_version >= 3 && minor_version >= 3) ? "core" : (m_glsl_es ? "es" : ""));
+  std::snprintf(buf, sizeof(buf), "#version %d%02d%s", major_version, minor_version,
+                (m_glsl_es && major_version >= 3) ? " es" : "");
   m_glsl_version_string = buf;
 }
 

src/duckstation-qt/opengldisplaywindow.cpp

@@ -174,7 +174,20 @@ void OpenGLDisplayWindow::WindowResized() {}
 
 const char* OpenGLDisplayWindow::GetGLSLVersionString() const
 {
-  return m_gl_context->isOpenGLES() ? "#version 300 es" : "#version 130\n";
+  if (m_gl_context->isOpenGLES())
+  {
+    if (GLAD_GL_ES_VERSION_3_0)
+      return "#version 300 es";
+    else
+      return "#version 100";
+  }
+  else
+  {
+    if (GLAD_GL_VERSION_3_3)
+      return "#version 330";
+    else
+      return "#version 130";
+  }
 }
 
 std::string OpenGLDisplayWindow::GetGLSLVersionHeader() const

src/duckstation-sdl/opengl_host_display.cpp

@@ -143,7 +143,20 @@ void OpenGLHostDisplay::WindowResized()
 
 const char* OpenGLHostDisplay::GetGLSLVersionString() const
 {
-  return m_is_gles ? "#version 300 es" : "#version 130\n";
+  if (m_is_gles)
+  {
+    if (GLAD_GL_ES_VERSION_3_0)
+      return "#version 300 es";
+    else
+      return "#version 100";
+  }
+  else
+  {
+    if (GLAD_GL_VERSION_3_3)
+      return "#version 330";
+    else
+      return "#version 130";
+  }
 }
 
 std::string OpenGLHostDisplay::GetGLSLVersionHeader() const