diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_resource.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_resource.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/gallium/drivers/vc4/vc4_resource.c b/src/gallium/drivers/vc4/vc4_resource.c index 5d5166fd818..122bda0bac6 100644 --- a/src/gallium/drivers/vc4/vc4_resource.c +++ b/src/gallium/drivers/vc4/vc4_resource.c @@ -667,11 +667,16 @@ vc4_get_shadow_index_buffer(struct pipe_context *pctx, shadow_offset, &shadow_rsc, &data); uint16_t *dst = data; - struct pipe_transfer *src_transfer; - uint32_t *src = pipe_buffer_map_range(pctx, &orig->base.b, - ib->offset, - count * 4, - PIPE_TRANSFER_READ, &src_transfer); + struct pipe_transfer *src_transfer = NULL; + uint32_t *src; + if (ib->user_buffer) { + src = ib->user_buffer; + } else { + src = pipe_buffer_map_range(pctx, &orig->base.b, + ib->offset, + count * 4, + PIPE_TRANSFER_READ, &src_transfer); + } for (int i = 0; i < count; i++) { uint32_t src_index = src[i]; @@ -679,7 +684,8 @@ vc4_get_shadow_index_buffer(struct pipe_context *pctx, dst[i] = src_index; } - pctx->transfer_unmap(pctx, src_transfer); + if (src_transfer) + pctx->transfer_unmap(pctx, src_transfer); return shadow_rsc; } |