1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-mochitest/test_highp_fs.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,61 @@
1.4 +<!DOCTYPE HTML>
1.5 +<title>WebGL test: `highp` support</title>
1.6 +<script src="/tests/SimpleTest/SimpleTest.js"></script>
1.7 +<link rel="stylesheet" href="/tests/SimpleTest/test.css">
1.8 +<script src="driver-info.js"></script>
1.9 +<script src="webgl-util.js"></script>
1.10 +<script id="shader-vs" type="x-shader/x-vertex">
1.11 +
1.12 +void main(void) {
1.13 + gl_Position = vec4(vec3(0.0), 1.0);
1.14 +}
1.15 +
1.16 +</script>
1.17 +<script id="shader-fs" type="x-shader/x-fragment">
1.18 +
1.19 +precision highp float;
1.20 +
1.21 +void main(void) {
1.22 + gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
1.23 +}
1.24 +
1.25 +</script>
1.26 +<body>
1.27 +<canvas id="c"></canvas>
1.28 +<script>
1.29 +
1.30 +// Give ourselves a scope to return early from:
1.31 +(function() {
1.32 + var gl = WebGLUtil.getWebGL('c');
1.33 + if (!gl) {
1.34 + todo(false, 'WebGL is unavailable.');
1.35 + return;
1.36 + }
1.37 +
1.38 + // Catch actual WebGLUtil errors, not GL errors.
1.39 + function errorFunc(str) {
1.40 + ok(false, 'Error: ' + str);
1.41 + }
1.42 + WebGLUtil.setErrorFunc(errorFunc);
1.43 +
1.44 + function checkGLError(func, info) {
1.45 + var error = gl.getError();
1.46 + var prefix = info ? ('[' + info + '] ') : ''
1.47 + func(!error, prefix + 'gl.getError should be 0x0, was 0x' + error.toString(16) + '.');
1.48 + }
1.49 +
1.50 + var format = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT);
1.51 + var prog = WebGLUtil.createProgramByIds(gl, 'shader-vs', 'shader-fs');
1.52 + checkGLError(ok);
1.53 +
1.54 + if (format) {
1.55 + ok(prog, 'Frag shader with unconditional `precision highp float` should ' +
1.56 + 'link if `getShaderPrecisionFormat` gives a format for it.');
1.57 + } else {
1.58 + ok(!prog, 'Frag shader with unconditional `precision highp float` should ' +
1.59 + 'NOT link if `getShaderPrecisionFormat` gives NO format for it.');
1.60 + }
1.61 +})();
1.62 +
1.63 +</script>
1.64 +
