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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<script src='/tests/SimpleTest/SimpleTest.js'></script>
</head>
<body>
<pre id=e_out></pre>
<script>
ok = window.ok || function(e, s) {
e_out.textContent += `\n${!e ? 'FAIL' : 'pass'}: ${s}`;
};
const canvas = document.createElement('canvas');
const gl = canvas.getContext('webgl');
const program = gl.createProgram();
const vertex = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertex, `\
precision highp float;
varying vec2 v_vec2;
varying vec3 v_vec3;
void main() { }
`);
gl.compileShader(vertex);
gl.attachShader(program, vertex);
const fragment = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragment, `\
precision highp float;
varying vec2 v_vec2;
varying vec3 v_vec3;
uniform sampler2D u_sampler2d;
uniform samplerCube u_samplercube;
void main() {
gl_FragColor = texture2D(u_sampler2d, v_vec2);
gl_FragColor += textureCube(u_samplercube, normalize(v_vec3));
}
`);
gl.compileShader(fragment);
gl.attachShader(program, fragment);
gl.linkProgram(program);
gl.useProgram(program);
gl.drawArrays(gl.TRIANGLE_STRIP, 29, 32);
let err = gl.getError();
ok(err == gl.INVALID_OPERATION, `err: ${err}`);
ok(true, `Done.`);
</script>
</body>
</html>
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