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/* Implement transfers using staging resources like in DirectX 10/11 */
#ifndef U_STAGING_H
#define U_STAGING_H
#include "pipe/p_state.h"
struct util_staging_transfer {
struct pipe_transfer base;
/* if direct, same as base.resource, otherwise the temporary staging resource */
struct pipe_resource *staging_resource;
};
/* user must be stride, slice_stride and offset */
/* pt->usage == PIPE_USAGE_DYNAMIC should be a good value to pass for direct */
/* staging resource is currently created with PIPE_USAGE_DYNAMIC */
struct util_staging_transfer *
util_staging_transfer_new(struct pipe_context *pipe,
struct pipe_resource *pt,
struct pipe_subresource sr,
unsigned usage,
const struct pipe_box *box,
bool direct);
void
util_staging_transfer_destroy(struct pipe_context *pipe, struct pipe_transfer *ptx);
#endif
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