| 0,0 → 1,163 |
|---|
| #include "pipe/p_context.h" |
| #include "util/u_surface.h" |
| #include "util/u_inlines.h" |
| #include "util/u_transfer.h" |
| #include "util/u_memory.h" |
| |
| /* One-shot transfer operation with data supplied in a user |
| * pointer. XXX: strides?? |
| */ |
| void u_default_transfer_inline_write( 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) |
| { |
| struct pipe_transfer *transfer = NULL; |
| uint8_t *map = NULL; |
| |
| assert(!(usage & PIPE_TRANSFER_READ)); |
| |
| /* the write flag is implicit by the nature of transfer_inline_write */ |
| usage |= PIPE_TRANSFER_WRITE; |
| |
| /* transfer_inline_write implicitly discards the rewritten buffer range */ |
| /* XXX this looks very broken for non-buffer resources having more than one dim. */ |
| if (box->x == 0 && box->width == resource->width0) { |
| usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE; |
| } else { |
| usage |= PIPE_TRANSFER_DISCARD_RANGE; |
| } |
| |
| map = pipe->transfer_map(pipe, |
| resource, |
| level, |
| usage, |
| box, &transfer); |
| if (map == NULL) |
| return; |
| |
| if (resource->target == PIPE_BUFFER) { |
| assert(box->height == 1); |
| assert(box->depth == 1); |
| |
| memcpy(map, data, box->width); |
| } |
| else { |
| const uint8_t *src_data = data; |
| |
| util_copy_box(map, |
| resource->format, |
| transfer->stride, /* bytes */ |
| transfer->layer_stride, /* bytes */ |
| 0, 0, 0, |
| box->width, |
| box->height, |
| box->depth, |
| src_data, |
| stride, /* bytes */ |
| layer_stride, /* bytes */ |
| 0, 0, 0); |
| } |
| |
| pipe_transfer_unmap(pipe, transfer); |
| } |
| |
| |
| boolean u_default_resource_get_handle(struct pipe_screen *screen, |
| struct pipe_resource *resource, |
| struct winsys_handle *handle) |
| { |
| return FALSE; |
| } |
| |
| |
| |
| void u_default_transfer_flush_region( struct pipe_context *pipe, |
| struct pipe_transfer *transfer, |
| const struct pipe_box *box) |
| { |
| /* This is a no-op implementation, nothing to do. |
| */ |
| } |
| |
| void u_default_transfer_unmap( struct pipe_context *pipe, |
| struct pipe_transfer *transfer ) |
| { |
| } |
| |
| |
| static INLINE struct u_resource * |
| u_resource( struct pipe_resource *res ) |
| { |
| return (struct u_resource *)res; |
| } |
| |
| boolean u_resource_get_handle_vtbl(struct pipe_screen *screen, |
| struct pipe_resource *resource, |
| struct winsys_handle *handle) |
| { |
| struct u_resource *ur = u_resource(resource); |
| return ur->vtbl->resource_get_handle(screen, resource, handle); |
| } |
| |
| void u_resource_destroy_vtbl(struct pipe_screen *screen, |
| struct pipe_resource *resource) |
| { |
| struct u_resource *ur = u_resource(resource); |
| ur->vtbl->resource_destroy(screen, 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) |
| { |
| struct u_resource *ur = u_resource(resource); |
| return ur->vtbl->transfer_map(context, resource, level, usage, box, |
| transfer); |
| } |
| |
| void u_transfer_flush_region_vtbl( struct pipe_context *pipe, |
| struct pipe_transfer *transfer, |
| const struct pipe_box *box) |
| { |
| struct u_resource *ur = u_resource(transfer->resource); |
| ur->vtbl->transfer_flush_region(pipe, transfer, box); |
| } |
| |
| void u_transfer_unmap_vtbl( struct pipe_context *pipe, |
| struct pipe_transfer *transfer ) |
| { |
| struct u_resource *ur = u_resource(transfer->resource); |
| ur->vtbl->transfer_unmap(pipe, transfer); |
| } |
| |
| void u_transfer_inline_write_vtbl( 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) |
| { |
| struct u_resource *ur = u_resource(resource); |
| ur->vtbl->transfer_inline_write(pipe, |
| resource, |
| level, |
| usage, |
| box, |
| data, |
| stride, |
| layer_stride); |
| } |
| |
| |
| |
| |