dawn-cmake/test/shader_io/shared_struct_helper_function.wgsl.expected.msl
James Price a41694e9a3 validation: Allow interpolate(flat) on integral IO
Produce a warning if the attribute is missing for integral vertex
outputs or fragment inputs. This will become an error in the future,
as per the WGSL spec.

Add the attribute to E2E tests.

Bug: tint:1224
Change-Id: Ia1f353f36cb7db516cf9e8b4877423dec3b3e711
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67160
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2021-10-21 23:08:44 +00:00

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#include <metal_stdlib>
using namespace metal;
struct VertexOutput {
float4 pos;
int loc0;
};
struct tint_symbol {
int loc0 [[user(locn0)]] [[flat]];
float4 pos [[position]];
};
struct tint_symbol_1 {
int loc0 [[user(locn0)]] [[flat]];
float4 pos [[position]];
};
VertexOutput foo(float x) {
VertexOutput const tint_symbol_2 = {.pos=float4(x, x, x, 1.0f), .loc0=42};
return tint_symbol_2;
}
VertexOutput vert_main1_inner() {
return foo(0.5f);
}
vertex tint_symbol vert_main1() {
VertexOutput const inner_result = vert_main1_inner();
tint_symbol wrapper_result = {};
wrapper_result.pos = inner_result.pos;
wrapper_result.loc0 = inner_result.loc0;
return wrapper_result;
}
VertexOutput vert_main2_inner() {
return foo(0.25f);
}
vertex tint_symbol_1 vert_main2() {
VertexOutput const inner_result_1 = vert_main2_inner();
tint_symbol_1 wrapper_result_1 = {};
wrapper_result_1.pos = inner_result_1.pos;
wrapper_result_1.loc0 = inner_result_1.loc0;
return wrapper_result_1;
}