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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /webgl/vertexAttrib-keeps-array-type.html - WPT Dashboard Interop Dashboard
<!doctype html>
<meta charset="utf-8">
<title>Setting a constant vertex attribute leaves VERTEX_ATTRIB_ARRAY_TYPE unchanged</title>
<link rel="author" title="mxmgorin" href="mailto:102797145+mxmgorin@users.noreply.github.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
const setters = [
{ versions: ["webgl", "webgl2"], name: "vertexAttrib4f", set: gl => gl.vertexAttrib4f(0, 1, 2, 3, 4) },
{ versions: ["webgl", "webgl2"], name: "vertexAttrib1fv", set: gl => gl.vertexAttrib1fv(0, [1]) },
{ versions: ["webgl2"], name: "vertexAttribI4i", set: gl => gl.vertexAttribI4i(0, 1, 2, 3, 4) },
{ versions: ["webgl2"], name: "vertexAttribI4iv", set: gl => gl.vertexAttribI4iv(0, [1, 2, 3, 4]) },
{ versions: ["webgl2"], name: "vertexAttribI4ui", set: gl => gl.vertexAttribI4ui(0, 1, 2, 3, 4) },
{ versions: ["webgl2"], name: "vertexAttribI4uiv", set: gl => gl.vertexAttribI4uiv(0, [1, 2, 3, 4]) },
];
for (const { versions, name, set } of setters) {
for (const version of versions) {
for (const type of ["UNSIGNED_BYTE", "FLOAT"]) {
test(function() {
const gl = document.createElement("canvas").getContext(version);
gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer());
gl.vertexAttribPointer(0, 4, gl[type], false, 0, 0);
set(gl);
assert_equals(gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_TYPE), gl[type]);
assert_equals(gl.getError(), gl.NO_ERROR);
}, `${version}: ${name} keeps a ${type} array type`);
}
}
}
</script>