+void
+nouveau_copy_buffer(struct nouveau_context *nv,
+ struct nv04_resource *dst, unsigned dstx,
+ struct nv04_resource *src, unsigned srcx, unsigned size)
+{
+ assert(dst->base.target == PIPE_BUFFER && src->base.target == PIPE_BUFFER);
+
+ if (likely(dst->domain) && likely(src->domain)) {
+ nv->copy_data(nv,
+ dst->bo, dst->offset + dstx, dst->domain,
+ src->bo, src->offset + srcx, src->domain, size);
+
+ dst->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
+ nouveau_fence_ref(nv->screen->fence.current, &dst->fence);
+ nouveau_fence_ref(nv->screen->fence.current, &dst->fence_wr);
+
+ src->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
+ nouveau_fence_ref(nv->screen->fence.current, &src->fence);
+ } else {
+ struct pipe_box src_box;
+ src_box.x = srcx;
+ src_box.y = 0;
+ src_box.z = 0;
+ src_box.width = size;
+ src_box.height = 1;
+ src_box.depth = 1;
+ util_resource_copy_region(&nv->pipe,
+ &dst->base, 0, dstx, 0, 0,
+ &src->base, 0, &src_box);
+ }
+}
+
+