Added openGL error message mappings.

modules/juce_opengl/juce_opengl.cpp

@@ -109,17 +109,20 @@ static const char* getGLErrorMessage (const GLenum e)
 {
     switch (e)
     {
-        case GL_INVALID_ENUM:       return "GL_INVALID_ENUM";
-        case GL_INVALID_VALUE:      return "GL_INVALID_VALUE";
-        case GL_INVALID_OPERATION:  return "GL_INVALID_OPERATION";
+        case GL_INVALID_ENUM:                   return "GL_INVALID_ENUM";
+        case GL_INVALID_VALUE:                  return "GL_INVALID_VALUE";
+        case GL_INVALID_OPERATION:              return "GL_INVALID_OPERATION";
+        case GL_OUT_OF_MEMORY:                  return "GL_OUT_OF_MEMORY";
        #ifdef GL_STACK_OVERFLOW
-        case GL_STACK_OVERFLOW:     return "GL_STACK_OVERFLOW";
+        case GL_STACK_OVERFLOW:                 return "GL_STACK_OVERFLOW";
        #endif
        #ifdef GL_STACK_UNDERFLOW
-        case GL_STACK_UNDERFLOW:    return "GL_STACK_UNDERFLOW";
+        case GL_STACK_UNDERFLOW:                return "GL_STACK_UNDERFLOW";
        #endif
-        case GL_OUT_OF_MEMORY:      return "GL_OUT_OF_MEMORY";
-        default:                    break;
+       #ifdef GL_INVALID_FRAMEBUFFER_OPERATION
+        case GL_INVALID_FRAMEBUFFER_OPERATION:  return "GL_INVALID_FRAMEBUFFER_OPERATION";
+       #endif
+        default: break;
     }
 
     return "Unknown error";