test(wgsl): check that vec3 args. are accepted in cross built-in

naga/tests/in/cross.wgsl

@@ -0,0 +1,3 @@
+@compute @workgroup_size(1) fn main() {
+    let a = cross(vec3(0., 1., 2.), vec3(0., 1., 2.));
+}

naga/tests/out/glsl/cross.main.Compute.glsl

@@ -0,0 +1,12 @@
+#version 310 es
+
+precision highp float;
+precision highp int;
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+
+
+void main() {
+    vec3 a = cross(vec3(0.0, 1.0, 2.0), vec3(0.0, 1.0, 2.0));
+}
+

naga/tests/out/hlsl/cross.hlsl

@@ -0,0 +1,5 @@
+[numthreads(1, 1, 1)]
+void main()
+{
+    float3 a = cross(float3(0.0, 1.0, 2.0), float3(0.0, 1.0, 2.0));
+}

naga/tests/out/hlsl/cross.ron

@@ -0,0 +1,12 @@
+(
+    vertex:[
+    ],
+    fragment:[
+    ],
+    compute:[
+        (
+            entry_point:"main",
+            target_profile:"cs_5_1",
+        ),
+    ],
+)

naga/tests/out/msl/cross.msl

@@ -0,0 +1,11 @@
+// language: metal1.0
+#include <metal_stdlib>
+#include <simd/simd.h>
+
+using metal::uint;
+
+
+kernel void main_(
+) {
+    metal::float3 a = metal::cross(metal::float3(0.0, 1.0, 2.0), metal::float3(0.0, 1.0, 2.0));
+}

naga/tests/out/spv/cross.spvasm

@@ -0,0 +1,24 @@
+; SPIR-V
+; Version: 1.1
+; Generator: rspirv
+; Bound: 14
+OpCapability Shader
+%1 = OpExtInstImport "GLSL.std.450"
+OpMemoryModel Logical GLSL450
+OpEntryPoint GLCompute %6 "main"
+OpExecutionMode %6 LocalSize 1 1 1
+%2 = OpTypeVoid
+%4 = OpTypeFloat 32
+%3 = OpTypeVector %4 3
+%7 = OpTypeFunction %2
+%8 = OpConstant  %4  0.0
+%9 = OpConstant  %4  1.0
+%10 = OpConstant  %4  2.0
+%11 = OpConstantComposite  %3  %8 %9 %10
+%6 = OpFunction  %2  None %7
+%5 = OpLabel
+OpBranch %12
+%12 = OpLabel
+%13 = OpExtInst  %3  %1 Cross %11 %11
+OpReturn
+OpFunctionEnd

naga/tests/out/wgsl/cross.wgsl

@@ -0,0 +1,4 @@
+@compute @workgroup_size(1, 1, 1) 
+fn main() {
+    let a = cross(vec3<f32>(0f, 1f, 2f), vec3<f32>(0f, 1f, 2f));
+}

naga/tests/snapshots.rs

@@ -910,6 +910,10 @@ fn convert_wgsl() {
             Targets::IR | Targets::SPIRV | Targets::METAL,
         ),
         ("vertex-pulling-transform", Targets::METAL),
+        (
+            "cross",
+            Targets::SPIRV | Targets::METAL | Targets::GLSL | Targets::HLSL | Targets::WGSL,
+        ),
     ];
 
     for &(name, targets) in inputs.iter() {