Fix invalid operation errors for some glBind* calls

Names starting with reserved gl_ prefix are not accepted by
glBindAttribLocation and glBindFragDataLocation functions.

renderdoc/driver/gl/gl_common.cpp

@@ -2510,6 +2510,10 @@ void SerialiseProgramBindings(const GLHookSet &gl, Serialiser *ser, GLuint prog,
 
         used |= mask;
 
+        if(!strncmp("gl_", n.c_str(), 3))
+          continue;    // GL_INVALID_OPERATION if name starts with reserved gl_ prefix (for both
+                       // glBindAttribLocation and glBindFragDataLocation)
+
         if(sigType == 0)
         {
           gl.glBindAttribLocation(prog, (GLuint)idx, n.c_str());