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writer/hlsl: Zero initialize with (T) 0

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For structures and arrays.
This behaves identically to the per-element zero-initialization, but can be significantly less verbose.

Change-Id: I380ef86f16c2b3f37a9de2820e707f368955b761
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56764
Auto-Submit: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
This commit is contained in:
Ben Clayton
2021-07-02 19:27:42 +00:00
parent efc46c1873
commit 2bb45389b7
54 changed files with 132 additions and 158 deletions
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8
test/array/assign_to_subexpr.wgsl.expected.hlsl
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@@ -14,10 +14,10 @@ struct tint_array_wrapper_1 {
};
void foo() {
const tint_array_wrapper src = {{0, 0, 0, 0}};
tint_array_wrapper tint_symbol = {{0, 0, 0, 0}};
S dst_struct = {{{0, 0, 0, 0}}};
tint_array_wrapper_1 dst_array = {{{{0, 0, 0, 0}}, {{0, 0, 0, 0}}}};
const tint_array_wrapper src = {(int[4])0};
tint_array_wrapper tint_symbol = (tint_array_wrapper)0;
S dst_struct = (S)0;
tint_array_wrapper_1 dst_array = (tint_array_wrapper_1)0;
dst_struct.arr = src;
dst_array.arr[1] = src;
tint_symbol = src;