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-rw-r--r--src/gallium/auxiliary/util/u_suballoc.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/util/u_suballoc.c b/src/gallium/auxiliary/util/u_suballoc.c
index 5aaddbcb55c..8c463c9fdd0 100644
--- a/src/gallium/auxiliary/util/u_suballoc.c
+++ b/src/gallium/auxiliary/util/u_suballoc.c
@@ -105,13 +105,20 @@ u_suballocator_alloc(struct u_suballocator *allocator, unsigned size,
/* Clear the memory if needed. */
if (allocator->zero_buffer_memory) {
- struct pipe_transfer *transfer = NULL;
- void *ptr;
-
- ptr = pipe_buffer_map(allocator->pipe, allocator->buffer,
- PIPE_TRANSFER_WRITE, &transfer);
- memset(ptr, 0, allocator->size);
- pipe_buffer_unmap(allocator->pipe, transfer);
+ struct pipe_context *pipe = allocator->pipe;
+
+ if (pipe->clear_buffer) {
+ unsigned clear_value = 0;
+
+ pipe->clear_buffer(pipe, allocator->buffer, 0, allocator->size,
+ &clear_value, 4);
+ } else {
+ struct pipe_transfer *transfer = NULL;
+ void *ptr = pipe_buffer_map(pipe, allocator->buffer,
+ PIPE_TRANSFER_WRITE, &transfer);
+ memset(ptr, 0, allocator->size);
+ pipe_buffer_unmap(pipe, transfer);
+ }
}
}