Lines Matching refs:upload
44 unsigned default_size; /* Minimum size of the upload buffer, in bytes. */
48 struct pipe_resource *buffer; /* Upload buffer. */
49 struct pipe_transfer *transfer; /* Transfer object for the upload buffer. */
50 uint8_t *map; /* Pointer to the mapped upload buffer. */
51 unsigned size; /* Actual size of the upload buffer. */
52 unsigned offset; /* Aligned offset to the upload buffer, pointing
62 struct u_upload_mgr *upload = CALLOC_STRUCT( u_upload_mgr );
63 if (!upload)
66 upload->pipe = pipe;
67 upload->default_size = default_size;
68 upload->alignment = alignment;
69 upload->bind = bind;
70 upload->buffer = NULL;
72 return upload;
75 void u_upload_unmap( struct u_upload_mgr *upload )
77 if (upload->transfer) {
78 struct pipe_box *box = &upload->transfer->box;
79 if (upload->offset > box->x) {
81 pipe_buffer_flush_mapped_range(upload->pipe, upload->transfer,
82 box->x, upload->offset - box->x);
84 pipe_transfer_unmap(upload->pipe, upload->transfer);
85 pipe_transfer_destroy(upload->pipe, upload->transfer);
86 upload->transfer = NULL;
87 upload->map = NULL;
94 * which references the upload buffer, as many memory managers will
100 void u_upload_flush( struct u_upload_mgr *upload )
102 /* Unmap and unreference the upload buffer. */
103 u_upload_unmap(upload);
104 pipe_resource_reference( &upload->buffer, NULL );
105 upload->size = 0;
109 void u_upload_destroy( struct u_upload_mgr *upload )
111 u_upload_flush( upload );
112 FREE( upload );
117 u_upload_alloc_buffer( struct u_upload_mgr *upload,
124 u_upload_flush( upload );
128 size = align(MAX2(upload->default_size, min_size), 4096);
130 upload->buffer = pipe_buffer_create( upload->pipe->screen,
131 upload->bind,
134 if (upload->buffer == NULL) {
139 upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
143 &upload->transfer);
144 if (upload->map == NULL) {
145 upload->size = 0;
146 pipe_resource_reference(&upload->buffer, NULL);
150 upload->size = size;
152 upload->offset = 0;
156 enum pipe_error u_upload_alloc( struct u_upload_mgr *upload,
163 unsigned alloc_size = align( size, upload->alignment );
164 unsigned alloc_offset = align(min_out_offset, upload->alignment);
174 /* Make sure we have enough space in the upload buffer
176 if (MAX2(upload->offset, alloc_offset) + alloc_size > upload->size) {
177 enum pipe_error ret = u_upload_alloc_buffer(upload,
183 offset = MAX2(upload->offset, alloc_offset);
185 if (!upload->map) {
186 upload->map = pipe_buffer_map_range(upload->pipe, upload->buffer,
187 offset, upload->size - offset,
191 &upload->transfer);
192 if (!upload->map) {
193 upload->transfer = NULL;
197 upload->map -= offset;
200 assert(offset < upload->buffer->width0);
201 assert(offset + size <= upload->buffer->width0);
205 *ptr = upload->map + offset;
206 pipe_resource_reference( outbuf, upload->buffer );
209 upload->offset = offset + alloc_size;
213 enum pipe_error u_upload_data( struct u_upload_mgr *upload,
221 enum pipe_error ret = u_upload_alloc(upload, min_out_offset, size,
232 /* As above, but upload the full contents of a buffer. Useful for
237 enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
249 map = (const char *)pipe_buffer_map_range(upload->pipe,
260 debug_printf("upload ptr %p ofs %d sz %d\n", map, offset, size);
262 ret = u_upload_data( upload,
269 pipe_buffer_unmap( upload->pipe, transfer );
