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gallium/u_suballoc: use clear_buffer if available

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-02-15 01:47:25 +01:00
parent 02cd8b20d1
commit edf6bcf6c6
1 changed files with 13 additions and 6 deletions
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19
src/gallium/auxiliary/util/u_suballoc.c
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@ -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;
struct pipe_context *pipe = allocator->pipe;
ptr = pipe_buffer_map(allocator->pipe, allocator->buffer,
PIPE_TRANSFER_WRITE, &transfer);
memset(ptr, 0, allocator->size);
pipe_buffer_unmap(allocator->pipe, transfer);
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);
}
}
}