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 #ifdef __cplusplus 14 extern "C" { 15 #endif 16 17 bool u_default_resource_get_handle(struct pipe_screen *screen, 18 struct pipe_resource *resource, 19 struct winsys_handle *handle); 20 21 void u_default_buffer_subdata(struct pipe_context *pipe, 22 struct pipe_resource *resource, 23 unsigned usage, unsigned offset, 24 unsigned size, const void *data); 25 26 void u_default_texture_subdata(struct pipe_context *pipe, 27 struct pipe_resource *resource, 28 unsigned level, 29 unsigned usage, 30 const struct pipe_box *box, 31 const void *data, 32 unsigned stride, 33 unsigned layer_stride); 34 35 void u_default_transfer_flush_region( struct pipe_context *pipe, 36 struct pipe_transfer *transfer, 37 const struct pipe_box *box); 38 39 void u_default_transfer_unmap( struct pipe_context *pipe, 40 struct pipe_transfer *transfer ); 41 42 43 44 /* Useful helper to allow >1 implementation of resource functionality 45 * to exist in a single driver. This is intended to be transitionary! 46 */ 47 struct u_resource_vtbl { 48 49 bool (*resource_get_handle)(struct pipe_screen *, 50 struct pipe_resource *tex, 51 struct winsys_handle *handle); 52 53 void (*resource_destroy)(struct pipe_screen *, 54 struct pipe_resource *pt); 55 56 void *(*transfer_map)(struct pipe_context *, 57 struct pipe_resource *resource, 58 unsigned level, 59 unsigned usage, 60 const struct pipe_box *, 61 struct pipe_transfer **); 62 63 64 void (*transfer_flush_region)( struct pipe_context *, 65 struct pipe_transfer *transfer, 66 const struct pipe_box *); 67 68 void (*transfer_unmap)( struct pipe_context *, 69 struct pipe_transfer *transfer ); 70 }; 71 72 73 struct u_resource { 74 struct pipe_resource b; 75 const struct u_resource_vtbl *vtbl; 76 }; 77 78 79 bool u_resource_get_handle_vtbl(struct pipe_screen *screen, 80 struct pipe_context *ctx, 81 struct pipe_resource *resource, 82 struct winsys_handle *handle, 83 unsigned usage); 84 85 void u_resource_destroy_vtbl(struct pipe_screen *screen, 86 struct pipe_resource *resource); 87 88 void *u_transfer_map_vtbl(struct pipe_context *context, 89 struct pipe_resource *resource, 90 unsigned level, 91 unsigned usage, 92 const struct pipe_box *box, 93 struct pipe_transfer **transfer); 94 95 void u_transfer_flush_region_vtbl( struct pipe_context *pipe, 96 struct pipe_transfer *transfer, 97 const struct pipe_box *box); 98 99 void u_transfer_unmap_vtbl( struct pipe_context *rm_ctx, 100 struct pipe_transfer *transfer ); 101 102 #ifdef __cplusplus 103 } // extern "C" { 104 #endif 105 106 #endif 107