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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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7
test/samples/triangle.wgsl.expected.hlsl
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@@ -4,14 +4,11 @@ struct tint_symbol_1 {
struct tint_symbol_2 {
float4 value : SV_Position;
};
struct tint_array_wrapper {
float2 arr[3];
};
tint_symbol_2 vtx_main(tint_symbol_1 tint_symbol) {
const uint VertexIndex = tint_symbol.VertexIndex;
tint_array_wrapper pos = {{float2(0.0f, 0.5f), float2(-0.5f, -0.5f), float2(0.5f, -0.5f)}};
const tint_symbol_2 tint_symbol_4 = {float4(pos.arr[VertexIndex], 0.0f, 1.0f)};
float2 pos[3] = {float2(0.0f, 0.5f), float2(-0.5f, -0.5f), float2(0.5f, -0.5f)};
const tint_symbol_2 tint_symbol_4 = {float4(pos[VertexIndex], 0.0f, 1.0f)};
return tint_symbol_4;
}