1 #include "pipe/p_context.h"
2 #include "util/u_surface.h"
3 #include "util/u_inlines.h"
4 #include "util/u_transfer.h"
5 #include "util/u_memory.h"
7 void u_default_buffer_subdata(struct pipe_context
*pipe
,
8 struct pipe_resource
*resource
,
9 unsigned usage
, unsigned offset
,
10 unsigned size
, const void *data
)
12 struct pipe_transfer
*transfer
= NULL
;
16 assert(!(usage
& PIPE_TRANSFER_READ
));
18 /* the write flag is implicit by the nature of buffer_subdata */
19 usage
|= PIPE_TRANSFER_WRITE
;
21 /* buffer_subdata implicitly discards the rewritten buffer range */
22 if (offset
== 0 && size
== resource
->width0
) {
23 usage
|= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE
;
25 usage
|= PIPE_TRANSFER_DISCARD_RANGE
;
28 u_box_1d(offset
, size
, &box
);
30 map
= pipe
->transfer_map(pipe
, resource
, 0, usage
, &box
, &transfer
);
34 memcpy(map
, data
, size
);
35 pipe_transfer_unmap(pipe
, transfer
);
38 void u_default_texture_subdata(struct pipe_context
*pipe
,
39 struct pipe_resource
*resource
,
42 const struct pipe_box
*box
,
45 unsigned layer_stride
)
47 struct pipe_transfer
*transfer
= NULL
;
48 const uint8_t *src_data
= data
;
51 assert(!(usage
& PIPE_TRANSFER_READ
));
53 /* the write flag is implicit by the nature of texture_subdata */
54 usage
|= PIPE_TRANSFER_WRITE
;
56 /* texture_subdata implicitly discards the rewritten buffer range */
57 usage
|= PIPE_TRANSFER_DISCARD_RANGE
;
59 map
= pipe
->transfer_map(pipe
,
69 transfer
->stride
, /* bytes */
70 transfer
->layer_stride
, /* bytes */
77 layer_stride
, /* bytes */
80 pipe_transfer_unmap(pipe
, transfer
);
84 boolean
u_default_resource_get_handle(UNUSED
struct pipe_screen
*screen
,
85 UNUSED
struct pipe_resource
*resource
,
86 UNUSED
struct winsys_handle
*handle
)
93 void u_default_transfer_flush_region(UNUSED
struct pipe_context
*pipe
,
94 UNUSED
struct pipe_transfer
*transfer
,
95 UNUSED
const struct pipe_box
*box
)
97 /* This is a no-op implementation, nothing to do.
101 void u_default_transfer_unmap(UNUSED
struct pipe_context
*pipe
,
102 UNUSED
struct pipe_transfer
*transfer
)
107 static inline struct u_resource
*
108 u_resource( struct pipe_resource
*res
)
110 return (struct u_resource
*)res
;
113 boolean
u_resource_get_handle_vtbl(struct pipe_screen
*screen
,
114 UNUSED
struct pipe_context
*ctx
,
115 struct pipe_resource
*resource
,
116 struct winsys_handle
*handle
,
117 UNUSED
unsigned usage
)
119 struct u_resource
*ur
= u_resource(resource
);
120 return ur
->vtbl
->resource_get_handle(screen
, resource
, handle
);
123 void u_resource_destroy_vtbl(struct pipe_screen
*screen
,
124 struct pipe_resource
*resource
)
126 struct u_resource
*ur
= u_resource(resource
);
127 ur
->vtbl
->resource_destroy(screen
, resource
);
130 void *u_transfer_map_vtbl(struct pipe_context
*context
,
131 struct pipe_resource
*resource
,
134 const struct pipe_box
*box
,
135 struct pipe_transfer
**transfer
)
137 struct u_resource
*ur
= u_resource(resource
);
138 return ur
->vtbl
->transfer_map(context
, resource
, level
, usage
, box
,
142 void u_transfer_flush_region_vtbl( struct pipe_context
*pipe
,
143 struct pipe_transfer
*transfer
,
144 const struct pipe_box
*box
)
146 struct u_resource
*ur
= u_resource(transfer
->resource
);
147 ur
->vtbl
->transfer_flush_region(pipe
, transfer
, box
);
150 void u_transfer_unmap_vtbl( struct pipe_context
*pipe
,
151 struct pipe_transfer
*transfer
)
153 struct u_resource
*ur
= u_resource(transfer
->resource
);
154 ur
->vtbl
->transfer_unmap(pipe
, transfer
);