1 2 #ifndef U_TRANSFER_H 3 #define U_TRANSFER_H 4 5 /* Fallback implementations for inline read/writes which just go back 6 * to the regular transfer behaviour. 7 */ 8 #include "pipe/p_state.h" 9 10 struct pipe_context; 11 struct winsys_handle; 12 13 boolean u_default_resource_get_handle(struct pipe_screen *screen, 14 struct pipe_resource *resource, 15 struct winsys_handle *handle); 16 17 void u_default_buffer_subdata(struct pipe_context *pipe, 18 struct pipe_resource *resource, 19 unsigned usage, unsigned offset, 20 unsigned size, const void *data); 21 22 void u_default_texture_subdata(struct pipe_context *pipe, 23 struct pipe_resource *resource, 24 unsigned level, 25 unsigned usage, 26 const struct pipe_box *box, 27 const void *data, 28 unsigned stride, 29 unsigned layer_stride); 30 31 void u_default_transfer_flush_region( struct pipe_context *pipe, 32 struct pipe_transfer *transfer, 33 const struct pipe_box *box); 34 35 void u_default_transfer_unmap( struct pipe_context *pipe, 36 struct pipe_transfer *transfer ); 37 38 39 40 /* Useful helper to allow >1 implementation of resource functionality 41 * to exist in a single driver. This is intended to be transitionary! 42 */ 43 struct u_resource_vtbl { 44 45 boolean (*resource_get_handle)(struct pipe_screen *, 46 struct pipe_resource *tex, 47 struct winsys_handle *handle); 48 49 void (*resource_destroy)(struct pipe_screen *, 50 struct pipe_resource *pt); 51 52 void *(*transfer_map)(struct pipe_context *, 53 struct pipe_resource *resource, 54 unsigned level, 55 unsigned usage, 56 const struct pipe_box *, 57 struct pipe_transfer **); 58 59 60 void (*transfer_flush_region)( struct pipe_context *, 61 struct pipe_transfer *transfer, 62 const struct pipe_box *); 63 64 void (*transfer_unmap)( struct pipe_context *, 65 struct pipe_transfer *transfer ); 66 }; 67 68 69 struct u_resource { 70 struct pipe_resource b; 71 const struct u_resource_vtbl *vtbl; 72 }; 73 74 75 boolean u_resource_get_handle_vtbl(struct pipe_screen *screen, 76 struct pipe_context *ctx, 77 struct pipe_resource *resource, 78 struct winsys_handle *handle, 79 unsigned usage); 80 81 void u_resource_destroy_vtbl(struct pipe_screen *screen, 82 struct pipe_resource *resource); 83 84 void *u_transfer_map_vtbl(struct pipe_context *context, 85 struct pipe_resource *resource, 86 unsigned level, 87 unsigned usage, 88 const struct pipe_box *box, 89 struct pipe_transfer **transfer); 90 91 void u_transfer_flush_region_vtbl( struct pipe_context *pipe, 92 struct pipe_transfer *transfer, 93 const struct pipe_box *box); 94 95 void u_transfer_unmap_vtbl( struct pipe_context *rm_ctx, 96 struct pipe_transfer *transfer ); 97 98 #endif 99
