Move texture defaults behind renderer gl

src/rtt.cpp

@@ -236,6 +236,24 @@ RTT RTT::clone() const noexcept
     return dup;
 }
 
+bool RTT::create(int width, int height)
+{
+    return create(
+        width,
+        height,
+        -1,
+        static_cast<GLint>(pp::renderer::gl::rgba8_internal_format()));
+}
+
+bool RTT::create(int width, int height, int tex)
+{
+    return create(
+        width,
+        height,
+        tex,
+        static_cast<GLint>(pp::renderer::gl::rgba8_internal_format()));
+}
+
 bool RTT::create(int width, int height, int tex/* = -1*/, GLint internal_format, bool depth_buffer /*= false*/)
 {
     GLenum status = 0;