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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/limits/gl-min-textures.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/limits/gl-min-textures.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/limits/gl-min-textures.html | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/limits/gl-min-textures.html b/dom/canvas/test/webgl-conf/checkout/conformance/limits/gl-min-textures.html new file mode 100644 index 0000000000..33b9f1f94c --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/limits/gl-min-textures.html @@ -0,0 +1,81 @@ +<!-- +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 the minimum number of uniforms are supported.</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="4" height="4" style="width: 40px; height: 30px;"></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"> +#define NUM_TEXTURES 8 // See spec +precision mediump float; +uniform sampler2D uni[NUM_TEXTURES]; +void main() +{ + vec4 c = vec4(0,0,0,0); + // The loop was manually unrolled in order to verify that this works. + // A separate test sampler-array-using-loop-index.html checks that + // loops indexing sampler arrays still work. + c += texture2D(uni[0], vec2(0.5, 0.5)); + c += texture2D(uni[1], vec2(0.5, 0.5)); + c += texture2D(uni[2], vec2(0.5, 0.5)); + c += texture2D(uni[3], vec2(0.5, 0.5)); + c += texture2D(uni[4], vec2(0.5, 0.5)); + c += texture2D(uni[5], vec2(0.5, 0.5)); + c += texture2D(uni[6], vec2(0.5, 0.5)); + c += texture2D(uni[7], vec2(0.5, 0.5)); + gl_FragColor = c; +} +</script> +<script> +"use strict"; +description(document.title); +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("example"); +var program = wtu.setupTexturedQuad(gl); + +//------------------------------------------------------------------------------ +var program = wtu.setupProgram( + gl, ['vshader', 'fshader'], ['vPosition'], [0]); + +for (var ii = 0; ii < 8; ++ii) { + var loc = gl.getUniformLocation(program, "uni[" + ii + "]"); + gl.activeTexture(gl.TEXTURE0 + ii); + var tex = gl.createTexture(); + wtu.fillTexture(gl, tex, 1, 1, [32, 16, 8, ii * 9], 0); + gl.uniform1i(loc, ii); +} + +wtu.clearAndDrawUnitQuad(gl); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); +wtu.checkCanvas(gl, [255, 128, 64, 252], + "Should render using all texture units", 1); + +var successfullyParsed = true; + +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> + + |