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#ifndef U_TRANSFER_H
#define U_TRANSFER_H
/* Fallback implementations for inline read/writes which just go back
* to the regular transfer behaviour.
*/
#include "pipe/p_state.h"
struct pipe_context;
struct winsys_handle;
boolean u_default_resource_get_handle(struct pipe_screen *screen,
struct pipe_resource *resource,
struct winsys_handle *handle);
void u_default_buffer_subdata(struct pipe_context *pipe,
struct pipe_resource *resource,
unsigned usage, unsigned offset,
unsigned size, const void *data);
void u_default_texture_subdata(struct pipe_context *pipe,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box,
const void *data,
unsigned stride,
unsigned layer_stride);
void u_default_transfer_flush_region( struct pipe_context *pipe,
struct pipe_transfer *transfer,
const struct pipe_box *box);
void u_default_transfer_unmap( struct pipe_context *pipe,
struct pipe_transfer *transfer );
/* Useful helper to allow >1 implementation of resource functionality
* to exist in a single driver. This is intended to be transitionary!
*/
struct u_resource_vtbl {
boolean (*resource_get_handle)(struct pipe_screen *,
struct pipe_resource *tex,
struct winsys_handle *handle);
void (*resource_destroy)(struct pipe_screen *,
struct pipe_resource *pt);
void *(*transfer_map)(struct pipe_context *,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *,
struct pipe_transfer **);
void (*transfer_flush_region)( struct pipe_context *,
struct pipe_transfer *transfer,
const struct pipe_box *);
void (*transfer_unmap)( struct pipe_context *,
struct pipe_transfer *transfer );
};
struct u_resource {
struct pipe_resource b;
const struct u_resource_vtbl *vtbl;
};
boolean u_resource_get_handle_vtbl(struct pipe_screen *screen,
struct pipe_resource *resource,
struct winsys_handle *handle,
unsigned usage);
void u_resource_destroy_vtbl(struct pipe_screen *screen,
struct pipe_resource *resource);
void *u_transfer_map_vtbl(struct pipe_context *context,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **transfer);
void u_transfer_flush_region_vtbl( struct pipe_context *pipe,
struct pipe_transfer *transfer,
const struct pipe_box *box);
void u_transfer_unmap_vtbl( struct pipe_context *rm_ctx,
struct pipe_transfer *transfer );
#endif
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