diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html | 82 |
1 files changed, 82 insertions, 0 deletions
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 0000000000..056deade3b --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/texel-fetch-undefined.html @@ -0,0 +1,82 @@ +<!-- +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>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> +</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> |