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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html')
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html new file mode 100644 index 000000000..7f176b573 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html @@ -0,0 +1,104 @@ +<!-- + +/* +** Copyright (c) 2015 The Khronos Group Inc. +** +** Permission is hereby granted, free of charge, to any person obtaining a +** copy of this software and/or associated documentation files (the +** "Materials"), to deal in the Materials without restriction, including +** without limitation the rights to use, copy, modify, merge, publish, +** distribute, sublicense, and/or sell copies of the Materials, and to +** permit persons to whom the Materials are furnished to do so, subject to +** the following conditions: +** +** The above copyright notice and this permission notice shall be included +** in all copies or substantial portions of the Materials. +** +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. +*/ + +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL texel fetch test.</title> +<link rel="stylesheet" href="../../../resources/js-test-style.css"/> +<link rel="stylesheet" href="../../../resources/glsl-feature-tests.css"/> +<script src="../../../js/js-test-pre.js"></script> +<script src="../../../js/webgl-test-utils.js"></script> +<script src="../../../js/glsl-conformance-test.js"></script> +</head> +<body> +<canvas id="c" width="256" height="256"></canvas> +<div id="description"></div> +<div id="console"></div> +<script id="vertex-shader" type="x-shader/x-vertex">#version 300 es + precision highp float; + in vec4 aPosition; + + void main() { + gl_Position = aPosition; + } +</script> +<script id="fragment-shader" type="x-shader/x-fragment">#version 300 es + precision mediump float; + uniform sampler2D uSampler; + uniform ivec2 uTestPos; + + out vec4 my_FragColor; + void main() { + my_FragColor = texelFetch(uSampler, uTestPos, 0); + } +</script> +<script> +"use strict"; +description("This test makes sure that texelFetch works to the WebGL 2.0 spec when retrieving a texel outside of the texture's size."); + +var wtu = WebGLTestUtils; +var textureSize = 24; + +var gl = wtu.create3DContext('c', undefined, 2); + +function testFetchAt(x, y, expectedColor) { + debug(""); + debug("Test fetching a texel of the texture at x = " + x +", y = " + y); + gl.uniform2i(uTestPos, x, y); + wtu.clearAndDrawUnitQuad(gl); + wtu.checkCanvas(gl, expectedColor); +} + +var program = wtu.setupProgram(gl, ["vertex-shader", "fragment-shader"]); +var aPosition = gl.getAttribLocation(program, "aPosition"); +var uTestPos = gl.getUniformLocation(program, "uTestPos"); + +debug('Creating a texture with size ' + textureSize + '*' + textureSize); +var tex = gl.createTexture(); +gl.bindTexture(gl.TEXTURE_2D, tex); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); +wtu.fillTexture(gl, tex, textureSize, textureSize, [0, 255, 0, 255]); + +wtu.setupUnitQuad(gl, aPosition); + +testFetchAt(0, 0, [0, 255, 0, 255]); +testFetchAt(textureSize - 1, textureSize - 1, [0, 255, 0, 255]); +testFetchAt(textureSize, 0, [0, 0, 0, 0]); +testFetchAt(0, textureSize, [0, 0, 0, 0]); +testFetchAt(-1, 0, [0, 0, 0, 0]); +testFetchAt(0, -1, [0, 0, 0, 0]); +testFetchAt(-1, 1, [0, 0, 0, 0]); + +finishTest(); +</script> +</body> +</html> |