- struct r300_context *r300 = r300_context(context);
- struct r300_buffer *rbuf = r300_buffer(buf);
-
- if (r300_buffer_is_user_buffer(buf))
- return PIPE_UNREFERENCED;
-
- if (r300->rws->is_buffer_referenced(r300->rws, rbuf->buf, domain))
- return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
-
- return PIPE_UNREFERENCED;
-}
-
-static unsigned r300_buffer_is_referenced_by_cs(struct pipe_context *context,
- struct pipe_resource *buf,
- unsigned face, unsigned level)
-{
- return r300_buffer_is_referenced(context, buf, R300_REF_CS);
-}
-
-/* External helper, not required to implent u_resource_vtbl:
- */
-int r300_upload_index_buffer(struct r300_context *r300,
- struct pipe_resource **index_buffer,
- unsigned index_size,
- unsigned start,
- unsigned count)
-{
- struct pipe_resource *upload_buffer = NULL;
- unsigned index_offset = start * index_size;
- int ret = 0;
-
- if (r300_buffer_is_user_buffer(*index_buffer)) {
- ret = u_upload_buffer(r300->upload_ib,
- index_offset,
- count * index_size,
- *index_buffer,
- &index_offset,
- &upload_buffer);
- if (ret) {
- goto done;
- }
- *index_buffer = upload_buffer;
- }
- done:
- // if (upload_buffer)
- // pipe_resource_reference(&upload_buffer, NULL);
- return ret;
-}
-
-/* External helper, not required to implement u_resource_vtbl:
- */
-int r300_upload_user_buffers(struct r300_context *r300)
-{
- enum pipe_error ret = PIPE_OK;
- int i, nr;
-
- nr = r300->velems->count;
-
- for (i = 0; i < nr; i++) {
- struct pipe_vertex_buffer *vb =
- &r300->vertex_buffer[r300->velems->velem[i].vertex_buffer_index];
-
- if (r300_buffer_is_user_buffer(vb->buffer)) {
- struct pipe_resource *upload_buffer = NULL;
- unsigned offset = 0; /*vb->buffer_offset * 4;*/
- unsigned size = vb->buffer->width0;
- unsigned upload_offset;
- ret = u_upload_buffer(r300->upload_vb,
- offset, size,
- vb->buffer,
- &upload_offset, &upload_buffer);
- if (ret)
- return ret;