slightly better formatting of debug output in ACGL_KHR_default_debug_callback

src/ACGL/OpenGL/Debug.cc

@@ -24,8 +24,8 @@ const char *debugSourceName( GLenum _source )
     if (_source == GL_DEBUG_SOURCE_SHADER_COMPILER) return "Shader Compiler";
     if (_source == GL_DEBUG_SOURCE_THIRD_PARTY)     return "Third Party";
     if (_source == GL_DEBUG_SOURCE_APPLICATION)     return "Application";
-    if (_source == GL_DEBUG_SOURCE_OTHER)           return "Other";
-    return "unknown";
+    if (_source == GL_DEBUG_SOURCE_OTHER)           return "Unknown";
+    return "Unknown";
 }
 
 const char *debugTypeName( GLenum _type )
@@ -33,11 +33,11 @@ const char *debugTypeName( GLenum _type )
     if (_type == GL_DEBUG_TYPE_ERROR)               return "Error";
     if (_type == GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR) return "Deprecated Behavior";
     if (_type == GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR)  return "Undefined Behavior";
-    if (_type == GL_DEBUG_TYPE_PORTABILITY)         return "Portability";
-    if (_type == GL_DEBUG_TYPE_PERFORMANCE)         return "Performance";
-    if (_type == GL_DEBUG_TYPE_OTHER)               return "Other";
+    if (_type == GL_DEBUG_TYPE_PORTABILITY)         return "Portability Issue";
+    if (_type == GL_DEBUG_TYPE_PERFORMANCE)         return "Performance Issue";
     if (_type == GL_DEBUG_TYPE_MARKER)              return "Marker";
-    return "unknown";
+    if (_type == GL_DEBUG_TYPE_OTHER)               return "Issue";
+    return "Issue";
 }
 
 const char *debugSeverityName( GLenum _type )
@@ -67,11 +67,10 @@ void ACGLRegisterDefaultDebugCallback()
 //! place a brakepoint in here to find the source of a problem!
 void ACGL_KHR_default_debug_callback( GLenum _source, GLenum _type, GLuint _id, GLenum _severity, GLsizei _length, const GLchar *_message, const void *_userParam)
 {
-    if (_type == GL_DEBUG_TYPE_ERROR) {
-        error() << "<" << _id << "> severity: " << debugSeverityName(_severity) << " source: " << debugSourceName(_source) << ": " << _message << endl;
-    } else {
-        debug() << "<" << _id << "> severity: " << debugSeverityName(_severity) << " source: " << debugSourceName(_source) << ": " << _message << endl;
-    }
+    ostream& stream = (_type == GL_DEBUG_TYPE_ERROR) ? static_cast<ostream&>(error()) : static_cast<ostream&>(debug());
+
+    stream << debugSourceName(_source) << " " << debugTypeName(_type) << ": " << _message << " (id: " << _id << ", severity: " << debugSeverityName(_severity) << ")" << endl;
+
     // delete all errors to not create another error log for the same problem:
     while ( glGetError() != GL_NO_ERROR ) {}
 }