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_transfer_inline_write( struct pipe_context *pipe, 18 struct pipe_resource *resource, 19 unsigned level, 20 unsigned usage, 21 const struct pipe_box *box, 22 const void *data, 23 unsigned stride, 24 unsigned layer_stride); 25 26 void u_default_transfer_flush_region( struct pipe_context *pipe, 27 struct pipe_transfer *transfer, 28 const struct pipe_box *box); 29 30 struct pipe_transfer * u_default_get_transfer(struct pipe_context *context, 31 struct pipe_resource *resource, 32 unsigned level, 33 unsigned usage, 34 const struct pipe_box *box); 35 36 void u_default_transfer_unmap( struct pipe_context *pipe, 37 struct pipe_transfer *transfer ); 38 39 void u_default_transfer_destroy(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 boolean (*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 struct pipe_transfer *(*get_transfer)(struct pipe_context *, 57 struct pipe_resource *resource, 58 unsigned level, 59 unsigned usage, 60 const struct pipe_box *); 61 62 void (*transfer_destroy)(struct pipe_context *, 63 struct pipe_transfer *); 64 65 void *(*transfer_map)( struct pipe_context *, 66 struct pipe_transfer *transfer ); 67 68 void (*transfer_flush_region)( struct pipe_context *, 69 struct pipe_transfer *transfer, 70 const struct pipe_box *); 71 72 void (*transfer_unmap)( struct pipe_context *, 73 struct pipe_transfer *transfer ); 74 75 void (*transfer_inline_write)( struct pipe_context *pipe, 76 struct pipe_resource *resource, 77 unsigned level, 78 unsigned usage, 79 const struct pipe_box *box, 80 const void *data, 81 unsigned stride, 82 unsigned layer_stride); 83 }; 84 85 86 struct u_resource { 87 struct pipe_resource b; 88 const struct u_resource_vtbl *vtbl; 89 }; 90 91 92 boolean u_resource_get_handle_vtbl(struct pipe_screen *screen, 93 struct pipe_resource *resource, 94 struct winsys_handle *handle); 95 96 void u_resource_destroy_vtbl(struct pipe_screen *screen, 97 struct pipe_resource *resource); 98 99 struct pipe_transfer *u_get_transfer_vtbl(struct pipe_context *context, 100 struct pipe_resource *resource, 101 unsigned level, 102 unsigned usage, 103 const struct pipe_box *box); 104 105 void u_transfer_destroy_vtbl(struct pipe_context *pipe, 106 struct pipe_transfer *transfer); 107 108 void *u_transfer_map_vtbl( struct pipe_context *pipe, 109 struct pipe_transfer *transfer ); 110 111 void u_transfer_flush_region_vtbl( struct pipe_context *pipe, 112 struct pipe_transfer *transfer, 113 const struct pipe_box *box); 114 115 void u_transfer_unmap_vtbl( struct pipe_context *rm_ctx, 116 struct pipe_transfer *transfer ); 117 118 void u_transfer_inline_write_vtbl( struct pipe_context *rm_ctx, 119 struct pipe_resource *resource, 120 unsigned level, 121 unsigned usage, 122 const struct pipe_box *box, 123 const void *data, 124 unsigned stride, 125 unsigned layer_stride); 126 127 #endif 128