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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/glsl/matrices/matrix-compound-multiply.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/glsl/matrices/matrix-compound-multiply.html | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/matrices/matrix-compound-multiply.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/matrices/matrix-compound-multiply.html new file mode 100644 index 0000000000..a485160c56 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/matrices/matrix-compound-multiply.html @@ -0,0 +1,71 @@ +<!-- +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>Matrix compound multiplication test</title> +<link rel="stylesheet" href="../../../resources/js-test-style.css"/> +<script src="../../../js/js-test-pre.js"></script> +<script src="../../../js/webgl-test-utils.js"></script> +</head> +<body> +<canvas id="canvas" width="256" height="256"> </canvas> +<div id="description"></div> +<div id="console"></div> +<script id="vshader" type="x-shader/x-vertex"> +attribute vec3 aPosition; + +void main() { + gl_Position = vec4(aPosition, 1); +} +</script> +<script id="fshader" type="x-shader/x-fragment"> +precision mediump float; + +void main() { + $(type) a = $(type)(0.0); + $(type) b = $(type)(0.0); + a[1][1] = 3.0; // 2nd column, 2nd row + b[0][1] = 2.0; // 1st column, 2nd row + $(type) c = a * b; + a *= b; + $(type) diffMat = a - c; + float diff = length(diffMat[0]) + length(diffMat[1]); + gl_FragColor = vec4(0.0, diff < 0.01 ? 1.0 : 0.0, 0.0, 1.0); +} +</script> +<script type="application/javascript"> +"use strict"; +description("Matrix compound multiplication test comparing against normal multiplication."); +debug(""); +var wtu = WebGLTestUtils; +function test() { + var gl = wtu.create3DContext("canvas"); + if (!gl) { + testFailed("context does not exist"); + return; + } + wtu.setupUnitQuad(gl); + var fshaderTemplate = wtu.getScript('fshader'); + + var types = ['mat2', 'mat3', 'mat4']; + for (var i = 0; i < types.length; ++i) { + debug(''); + debug('Testing type ' + types[i]); + var fshaderSource = wtu.replaceParams(fshaderTemplate, {type: types[i]}); + var program = wtu.setupProgram(gl, ['vshader', fshaderSource], ["aPosition"], undefined, true); + wtu.drawUnitQuad(gl); + wtu.checkCanvas(gl, [0, 255, 0, 255], 'should be green'); + } +}; + +test(); +finishTest(); +</script> +</body> +</html> |