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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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2
test/expressions/zero_init/array/bool.wgsl.expected.hlsl
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@@ -8,5 +8,5 @@ struct tint_array_wrapper {
};
void f() {
tint_array_wrapper v = {{false, false, false, false}};
tint_array_wrapper v = {(bool[4])0};
}

2
test/expressions/zero_init/array/f32.wgsl.expected.hlsl
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@@ -8,5 +8,5 @@ struct tint_array_wrapper {
};
void f() {
tint_array_wrapper v = {{0.0f, 0.0f, 0.0f, 0.0f}};
tint_array_wrapper v = {(float[4])0};
}

2
test/expressions/zero_init/array/i32.wgsl.expected.hlsl
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@@ -8,5 +8,5 @@ struct tint_array_wrapper {
};
void f() {
tint_array_wrapper v = {{0, 0, 0, 0}};
tint_array_wrapper v = {(int[4])0};
}

2
test/expressions/zero_init/array/struct.wgsl.expected.hlsl
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@@ -14,5 +14,5 @@ struct tint_array_wrapper {
};
void f() {
tint_array_wrapper v = {{{0, 0u, 0.0f, false}, {0, 0u, 0.0f, false}, {0, 0u, 0.0f, false}, {0, 0u, 0.0f, false}}};
tint_array_wrapper v = {(S[4])0};
}

2
test/expressions/zero_init/array/u32.wgsl.expected.hlsl
View File

@@ -8,5 +8,5 @@ struct tint_array_wrapper {
};
void f() {
tint_array_wrapper v = {{0u, 0u, 0u, 0u}};
tint_array_wrapper v = {(uint[4])0};
}