fb->attachments[0].display_name = NULL;
fb->attachments[0].purpose = k_framebuffer_attachment_type_colour;
fb->attachments[0].internalformat = GL_RG16F;
fb->attachments[0].display_name = NULL;
fb->attachments[0].purpose = k_framebuffer_attachment_type_colour;
fb->attachments[0].internalformat = GL_RG16F;