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gallium/radeon: handle failure when mapping staging buffer

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Cc: "11.1 11.2" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-04-13 10:55:29 -05:00
parent 8bd0f0df50
commit a17911ceb1
1 changed files with 4 additions and 0 deletions
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4
src/gallium/drivers/radeon/r600_buffer_common.c
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@ -376,6 +376,10 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
0, 0, resource, level, box);
data = r600_buffer_map_sync_with_rings(rctx, staging, PIPE_TRANSFER_READ);
if (!data) {
pipe_resource_reference((struct pipe_resource **)&staging, NULL);
return NULL;
}
data += box->x % R600_MAP_BUFFER_ALIGNMENT;
return r600_buffer_get_transfer(ctx, resource, level, usage, box,