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gallium/u_threaded: late alloc cpu_storage

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Instead of allocating cpu_storage in threaded_resource_init, defer the
allocation to first use (in tc_buffer_map).
This avoids needless memory allocation if tc_buffer_disable_cpu_storage is
called before tc_buffer_map.

map_buffer_alignment is stored and serves as a "can cpu_storage be used" flag.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15074>
This commit is contained in:
Pierre-Eric Pelloux-Prayer
2022-02-18 10:28:58 +01:00
parent 7070178dfd
commit cd0ef9b3f4
10 changed files with 39 additions and 30 deletions
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6
src/gallium/drivers/d3d12/d3d12_resource.cpp
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@@ -297,7 +297,7 @@ convert_planar_resource(struct d3d12_resource *res)
*plane_res = *res;
d3d12_bo_reference(plane_res->bo);
pipe_reference_init(&plane_res->base.b.reference, 1);
threaded_resource_init(&plane_res->base.b, false, 0);
threaded_resource_init(&plane_res->base.b, false);
}
plane_res->base.b.next = next;
@@ -357,7 +357,7 @@ d3d12_resource_create(struct pipe_screen *pscreen,
init_valid_range(res);
threaded_resource_init(&res->base.b,
templ->usage == PIPE_USAGE_DEFAULT &&
templ->target == PIPE_BUFFER, 64);
templ->target == PIPE_BUFFER);
memset(&res->bind_counts, 0, sizeof(d3d12_resource::bind_counts));
@@ -556,7 +556,7 @@ d3d12_resource_from_handle(struct pipe_screen *pscreen,
}
init_valid_range(res);
threaded_resource_init(&res->base.b, false, 0);
threaded_resource_init(&res->base.b, false);
convert_planar_resource(res);
return &res->base.b;