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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /devtools/client/shadereditor/test/doc_shader-order.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'devtools/client/shadereditor/test/doc_shader-order.html')
| -rw-r--r-- | devtools/client/shadereditor/test/doc_shader-order.html | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/devtools/client/shadereditor/test/doc_shader-order.html b/devtools/client/shadereditor/test/doc_shader-order.html new file mode 100644 index 000000000..a7cec53aa --- /dev/null +++ b/devtools/client/shadereditor/test/doc_shader-order.html @@ -0,0 +1,83 @@ +<!-- Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ --> +<!doctype html> + +<html> + <head> + <meta charset="utf-8"/> + <title>WebGL editor test page</title> + + <script id="shader-vs" type="x-shader/x-vertex"> + precision lowp float; + + void main(void) { + gl_Position = vec4(0, 0, 0, 1); // I'm a vertex shader! + } + </script> + + <script id="shader-fs" type="x-shader/x-fragment"> + precision lowp float; + varying vec3 vFragmentColor; + + void main(void) { + gl_FragColor = vec4(1, 0, 0, 1); // I'm a fragment shader! + } + </script> + </head> + + <body> + <canvas width="512" height="512"></canvas> + + <script type="text/javascript;version=1.8"> + "use strict"; + + let canvas, gl; + + window.onload = function() { + canvas = document.querySelector("canvas"); + gl = canvas.getContext("webgl", { preserveDrawingBuffer: true }); + + let shaderProgram = gl.createProgram(); + let vertexShader, fragmentShader; + + // Compile and attach the shaders in a random order. The test will + // ensure that the correct vertex and fragment source is retrieved + // regardless of this crazyness. + if (Math.random() > 0.5) { + vertexShader = getShader(gl, "shader-vs"); + fragmentShader = getShader(gl, "shader-fs"); + } else { + fragmentShader = getShader(gl, "shader-fs"); + vertexShader = getShader(gl, "shader-vs"); + } + if (Math.random() > 0.5) { + gl.attachShader(shaderProgram, vertexShader); + gl.attachShader(shaderProgram, fragmentShader); + } else { + gl.attachShader(shaderProgram, fragmentShader); + gl.attachShader(shaderProgram, vertexShader); + } + + gl.linkProgram(shaderProgram); + } + + function getShader(gl, id) { + let script = document.getElementById(id); + let source = script.textContent; + let shader; + + if (script.type == "x-shader/x-fragment") { + shader = gl.createShader(gl.FRAGMENT_SHADER); + } else if (script.type == "x-shader/x-vertex") { + shader = gl.createShader(gl.VERTEX_SHADER); + } + + gl.shaderSource(shader, source); + gl.compileShader(shader); + + return shader; + } + </script> + </body> + +</html> |