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writer/hlsl: Don't wrap arrays in structures

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FXC has trouble dealing with these.
This was originally added to handle returning arrays as structures.
HLSL supports typedefs, which is a much simpiler solution, and doesn't upset FXC.

Bug: tint:848
Bug: tint:904
Change-Id: Ie841c9c454461a885a35c41476fd4d05d3f34cbf
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56774
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton
2021-07-05 15:20:57 +00:00
committed by Tint LUCI CQ
parent 106ac290e6
commit 4135ea55eb
41 changed files with 550 additions and 766 deletions
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18
test/array/assign_to_subexpr.wgsl.expected.hlsl
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@@ -3,24 +3,18 @@ void unused_entry_point() {
return;
}
struct tint_array_wrapper {
int arr[4];
};
struct S {
tint_array_wrapper arr;
};
struct tint_array_wrapper_1 {
tint_array_wrapper arr[2];
int arr[4];
};
void foo() {
const tint_array_wrapper src = {(int[4])0};
tint_array_wrapper tint_symbol = (tint_array_wrapper)0;
const int src[4] = (int[4])0;
int tint_symbol[4] = (int[4])0;
S dst_struct = (S)0;
tint_array_wrapper_1 dst_array = (tint_array_wrapper_1)0;
int dst_array[2][4] = (int[2][4])0;
dst_struct.arr = src;
dst_array.arr[1] = src;
dst_array[1] = src;
tint_symbol = src;
dst_struct.arr = src;
dst_array.arr[0] = src;
dst_array[0] = src;
}