1 files changed, 45 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/utils.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/utils.ts
new file mode 100644
index 0000000000..9cbee00939
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/utils.ts
@@ -0,0 +1,45 @@
+/**
+ * Generates the boundary entries for the given number of dimensions
+ *
+ * @param numDimensions: The number of dimensions to generate for
+ * @returns an array of generated coord boundaries
+ */
+export function generateCoordBoundaries(numDimensions: number) {
+  const ret = ['in-bounds'];
+
+  if (numDimensions < 1 || numDimensions > 3) {
+    throw new Error(`invalid numDimensions: ${numDimensions}`);
+  }
+
+  const name = 'xyz';
+  for (let i = 0; i < numDimensions; ++i) {
+    for (const j of ['min', 'max']) {
+      for (const k of ['wrap', 'boundary']) {
+        ret.push(`${name[i]}-${j}-${k}`);
+      }
+    }
+  }
+
+  return ret;
+}
+
+/**
+ * Generates a set of offset values to attempt in the range [-9, 8].
+ *
+ * @param numDimensions: The number of dimensions to generate for
+ * @return an array of generated offset values
+ */
+export function generateOffsets(numDimensions: number) {
+  if (numDimensions < 2 || numDimensions > 3) {
+    throw new Error(`generateOffsets: invalid numDimensions: ${numDimensions}`);
+  }
+  const ret: Array<undefined | Array<number>> = [undefined];
+  for (const val of [-9, -8, 0, 1, 7, 8]) {
+    const v = [];
+    for (let i = 0; i < numDimensions; ++i) {
+      v.push(val);
+    }
+    ret.push(v);
+  }
+  return ret;
+}