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/conformance/glsl/samplers/glsl-function-texture2d-bias.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/samplers/glsl-function-texture2d-bias.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2d-bias.html | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2d-bias.html b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2d-bias.html new file mode 100644 index 0000000000..073276615f --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/glsl/samplers/glsl-function-texture2d-bias.html @@ -0,0 +1,101 @@ +<!-- +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 texture2D GLSL conformance 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="example" width="256" height="256" style="width: 16px; height: 16px;"></canvas> +<div id="description"></div> +<div id="console"></div> +<script id="vshader2d" type="x-shader/x-vertex"> +attribute vec4 vPosition; +attribute vec2 texCoord0; +varying vec2 texCoord; +void main() { + gl_Position = vPosition; + texCoord = texCoord0; +} +</script> +<script id="fshader2d" type="x-shader/x-fragment"> +precision mediump float; +uniform sampler2D tex; +uniform float bias; +varying vec2 texCoord; +void main() { + gl_FragData[0] = texture2D(tex, texCoord, bias); +} +</script> +<script> +"use strict"; +description("tests GLSL texture2D function with bias"); + +var wtu = WebGLTestUtils; +var canvas = document.getElementById("example"); + +shouldBe("canvas.width", "256"); +shouldBe("canvas.height", "256"); + +var gl = wtu.create3DContext(canvas); +var program = wtu.setupProgram( + gl, ['vshader2d', 'fshader2d'], ['vPosition', 'texCoord0'], [0, 1]); +wtu.setupUnitQuad(gl, 0, 1); + +var colors = [ + {name: 'red', color:[255, 0, 0, 255]}, + {name: 'green', color:[0, 255, 0, 255]}, + {name: 'blue', color:[0, 0, 255, 255]}, + {name: 'yellow', color:[255, 255, 0, 255]}, + {name: 'magenta', color:[255, 0, 255, 255]}, + {name: 'cyan', color:[0, 255, 255, 255]}, + {name: 'pink', color:[255, 128, 128, 255]}, + {name: 'gray', color:[128, 128, 128, 255]}, + {name: 'light green', color:[128, 255, 128, 255]}, +]; + +shouldBe("colors.length", "9"); + +var tex = gl.createTexture(); +gl.bindTexture(gl.TEXTURE_2D, tex); +gl.texParameteri( + gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); + +for (var ii = 0; ii < colors.length; ++ii) { + var color = colors[ii]; + var size = Math.pow(2, colors.length - ii - 1); + wtu.fillTexture(gl, tex, size, size, color.color, ii); +} + +var loc = gl.getUniformLocation(program, "bias"); + +for (var ii = 0; ii < colors.length; ++ii) { + gl.uniform1f(loc, ii); + var color = colors[ii]; + wtu.clearAndDrawUnitQuad(gl); + wtu.checkCanvas( + gl, color.color, + "256x256 texture drawn to 256x256 dest with bias = " + ii + + " should be " + color.name); +} +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors."); + +var successfullyParsed = true; + +</script> +<script src="../../../js/js-test-post.js"></script> + +</body> +</html> |