diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/uniforms/gl-get-uniform-non-current-program.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/uniforms/gl-get-uniform-non-current-program.html | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/uniforms/gl-get-uniform-non-current-program.html b/dom/canvas/test/webgl-conf/checkout/conformance/uniforms/gl-get-uniform-non-current-program.html new file mode 100644 index 0000000000..f6628748f0 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/uniforms/gl-get-uniform-non-current-program.html @@ -0,0 +1,79 @@ +<!-- +Copyright (c) 2022 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 getUniform from non-current program</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> +<div id="description"></div> +<div id="console"></div> +<canvas id="example" width="2" height="2"> </canvas> + <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; + uniform float color; + void main() + { + gl_FragColor = vec4(color); + } + </script> +<script> +"use strict"; +description("This test ensures WebGL implementations handle getUniform when the program is not the current program"); + +debug(""); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("example"); +var program1 = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition"]); +var program2 = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition"]); +var loc = gl.getUniformLocation(program1, "color"); + +debug("check we can call getUniform when the program is current") +gl.useProgram(program1); +shouldBe("gl.getUniform(program1, loc)", "0"); +debug("check we can call getUniform when a different program is current") +gl.useProgram(program2); +shouldBe("gl.getUniform(program1, loc)", "0"); +debug("check we can call getUniform when no program is current") +gl.useProgram(null); +shouldBe("gl.getUniform(program1, loc)", "0"); + +debug("check we can call getUniform when the program is current") +gl.useProgram(program1); +gl.uniform1f(loc, 123) +shouldBe("gl.getUniform(program1, loc)", "123"); +debug("check we can call getUniform when a different program is current") +gl.useProgram(program2); +shouldBe("gl.getUniform(program1, loc)", "123"); +debug("check we can call getUniform when no program is current") +gl.useProgram(null); +shouldBe("gl.getUniform(program1, loc)", "123"); + + +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should no errors"); + +debug(""); +var successfullyParsed = true; + +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> |