content/canvas/test/webgl-mochitest/test_highp_fs.html@6474c204b198 (annotated)
content/canvas/test/webgl-mochitest/test_highp_fs.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <!DOCTYPE HTML> |
| michael@0 | 2 | <title>WebGL test: `highp` support</title> |
| michael@0 | 3 | <script src="/tests/SimpleTest/SimpleTest.js"></script> |
| michael@0 | 4 | <link rel="stylesheet" href="/tests/SimpleTest/test.css"> |
| michael@0 | 5 | <script src="driver-info.js"></script> |
| michael@0 | 6 | <script src="webgl-util.js"></script> |
| michael@0 | 7 | <script id="shader-vs" type="x-shader/x-vertex"> |
| michael@0 | 8 | |
| michael@0 | 9 | void main(void) { |
| michael@0 | 10 | gl_Position = vec4(vec3(0.0), 1.0); |
| michael@0 | 11 | } |
| michael@0 | 12 | |
| michael@0 | 13 | </script> |
| michael@0 | 14 | <script id="shader-fs" type="x-shader/x-fragment"> |
| michael@0 | 15 | |
| michael@0 | 16 | precision highp float; |
| michael@0 | 17 | |
| michael@0 | 18 | void main(void) { |
| michael@0 | 19 | gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0); |
| michael@0 | 20 | } |
| michael@0 | 21 | |
| michael@0 | 22 | </script> |
| michael@0 | 23 | <body> |
| michael@0 | 24 | <canvas id="c"></canvas> |
| michael@0 | 25 | <script> |
| michael@0 | 26 | |
| michael@0 | 27 | // Give ourselves a scope to return early from: |
| michael@0 | 28 | (function() { |
| michael@0 | 29 | var gl = WebGLUtil.getWebGL('c'); |
| michael@0 | 30 | if (!gl) { |
| michael@0 | 31 | todo(false, 'WebGL is unavailable.'); |
| michael@0 | 32 | return; |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | // Catch actual WebGLUtil errors, not GL errors. |
| michael@0 | 36 | function errorFunc(str) { |
| michael@0 | 37 | ok(false, 'Error: ' + str); |
| michael@0 | 38 | } |
| michael@0 | 39 | WebGLUtil.setErrorFunc(errorFunc); |
| michael@0 | 40 | |
| michael@0 | 41 | function checkGLError(func, info) { |
| michael@0 | 42 | var error = gl.getError(); |
| michael@0 | 43 | var prefix = info ? ('[' + info + '] ') : '' |
| michael@0 | 44 | func(!error, prefix + 'gl.getError should be 0x0, was 0x' + error.toString(16) + '.'); |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | var format = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT); |
| michael@0 | 48 | var prog = WebGLUtil.createProgramByIds(gl, 'shader-vs', 'shader-fs'); |
| michael@0 | 49 | checkGLError(ok); |
| michael@0 | 50 | |
| michael@0 | 51 | if (format) { |
| michael@0 | 52 | ok(prog, 'Frag shader with unconditional `precision highp float` should ' + |
| michael@0 | 53 | 'link if `getShaderPrecisionFormat` gives a format for it.'); |
| michael@0 | 54 | } else { |
| michael@0 | 55 | ok(!prog, 'Frag shader with unconditional `precision highp float` should ' + |
| michael@0 | 56 | 'NOT link if `getShaderPrecisionFormat` gives NO format for it.'); |
| michael@0 | 57 | } |
| michael@0 | 58 | })(); |
| michael@0 | 59 | |
| michael@0 | 60 | </script> |
| michael@0 | 61 |
