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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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16
test/array/assign_to_function_var.wgsl.expected.hlsl
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@@ -27,7 +27,7 @@ tint_array_wrapper tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
return tint_symbol_6;
}
static tint_array_wrapper src_private = {{{0}, {0}, {0}, {0}}};
static tint_array_wrapper src_private = (tint_array_wrapper)0;
groupshared tint_array_wrapper src_workgroup;
cbuffer cbuffer_src_uniform : register(b0, space0) {
uint4 src_uniform[4];
@@ -35,12 +35,12 @@ cbuffer cbuffer_src_uniform : register(b0, space0) {
RWByteAddressBuffer src_storage : register(u1, space0);
tint_array_wrapper ret_arr() {
const tint_array_wrapper tint_symbol_7 = {{{0}, {0}, {0}, {0}}};
const tint_array_wrapper tint_symbol_7 = {(tint_padded_array_element[4])0};
return tint_symbol_7;
}
S ret_struct_arr() {
const S tint_symbol_8 = {{{{0}, {0}, {0}, {0}}}};
const S tint_symbol_8 = (S)0;
return tint_symbol_8;
}
@@ -55,13 +55,13 @@ struct tint_array_wrapper_1 {
};
void foo(tint_array_wrapper src_param) {
tint_array_wrapper src_function = {{{0}, {0}, {0}, {0}}};
tint_array_wrapper tint_symbol = {{{0}, {0}, {0}, {0}}};
tint_array_wrapper src_function = (tint_array_wrapper)0;
tint_array_wrapper tint_symbol = (tint_array_wrapper)0;
const tint_array_wrapper tint_symbol_9 = {{{1}, {2}, {3}, {3}}};
tint_symbol = tint_symbol_9;
tint_symbol = src_param;
tint_symbol = ret_arr();
const tint_array_wrapper src_let = {{{0}, {0}, {0}, {0}}};
const tint_array_wrapper src_let = {(tint_padded_array_element[4])0};
tint_symbol = src_let;
tint_symbol = src_function;
tint_symbol = src_private;
@@ -69,7 +69,7 @@ void foo(tint_array_wrapper src_param) {
tint_symbol = ret_struct_arr().arr;
tint_symbol = tint_symbol_2(src_uniform, 0u);
tint_symbol = tint_symbol_4(src_storage, 0u);
tint_array_wrapper_1 dst_nested = {{{{{{0, 0}}, {{0, 0}}, {{0, 0}}}}, {{{{0, 0}}, {{0, 0}}, {{0, 0}}}}, {{{{0, 0}}, {{0, 0}}, {{0, 0}}}}, {{{{0, 0}}, {{0, 0}}, {{0, 0}}}}}};
tint_array_wrapper_1 src_nested = {{{{{{0, 0}}, {{0, 0}}, {{0, 0}}}}, {{{{0, 0}}, {{0, 0}}, {{0, 0}}}}, {{{{0, 0}}, {{0, 0}}, {{0, 0}}}}, {{{{0, 0}}, {{0, 0}}, {{0, 0}}}}}};
tint_array_wrapper_1 dst_nested = (tint_array_wrapper_1)0;
tint_array_wrapper_1 src_nested = (tint_array_wrapper_1)0;
dst_nested = src_nested;
}