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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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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/conformance/glsl/variables/gl-fragcoord.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/conformance/glsl/variables/gl-fragcoord.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/glsl/variables/gl-fragcoord.html | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/variables/gl-fragcoord.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/variables/gl-fragcoord.html new file mode 100644 index 0000000000..e5f6e27537 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/variables/gl-fragcoord.html @@ -0,0 +1,84 @@ +<!-- +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>gl-fragcoord 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="example" width="32" height="32"> +</canvas> +<div id="description"></div> +<div id="console"></div> +<script id="vshader" type="x-shader/x-vertex"> +attribute vec4 vPosition; +void main() +{ + gl_Position = vPosition; +} +</script> + +<script id="fshader" type="x-shader/x-fragment"> +precision mediump float; +void main() +{ + gl_FragColor = vec4( + floor(gl_FragCoord.x * 4.0 / 32.0) / 4.0, + floor(gl_FragCoord.y * 4.0 / 32.0) / 4.0, + floor(gl_FragCoord.z * 4.0) / 4.0, + 1); +} +</script> + +<script> +"use strict"; +function init() +{ + description("tests gl_FragCoord"); + + var wtu = WebGLTestUtils; + var gl = wtu.create3DContext("example"); + var program = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition"]); + + var vertexObject = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array( + [-1, -1, -1, 1, -1, 0, -1, 1, 0, + -1, 1, 0, 1, -1, 0, 1, 1, 1]), + gl.STATIC_DRAW); + gl.enableVertexAttribArray(0); + gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); + + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLES, 0, 6); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from draw"); + + for (var xx = 0; xx < 32; xx += 4) { + for (var yy = 0; yy < 32; yy += 4) { + var zz = (xx / 64) + (yy / 64); + var color = [ + Math.floor(Math.floor(xx * 4.0 / 32.0) / 4 * 256), + Math.floor(Math.floor(yy * 4.0 / 32.0) / 4 * 256), + Math.floor(Math.floor(zz * 4.0) / 4 * 256) + ]; + var msg = "should be " + color; + wtu.checkCanvasRect(gl, xx, yy, 1, 1, color, msg, 4); + } + } +} + +init(); +var successfullyParsed = true; +</script> +<script src="../../../js/js-test-post.js"></script> + +</body> +</html> |