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| ** Copyright (c) 2017 The Khronos Group Inc. |
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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL Uniform Buffers Conformance Tests</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> |
| <script id="vshader" type="x-shader/x-vertex">#version 300 es |
| |
| in vec4 position; |
| |
| uniform localInputs |
| { |
| mat4 projectionModelViewMatrix; |
| }; |
| |
| void main () |
| { |
| gl_Position = projectionModelViewMatrix * position; |
| } |
| </script> |
| <script id="fshader" type="x-shader/x-fragment">#version 300 es |
| |
| out lowp vec4 resultColor; |
| |
| void main() |
| { |
| resultColor = vec4(0,1,0,1); |
| } |
| </script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <canvas id="canvas" style="width: 50px; height: 50px;"> </canvas> |
| <div id="console"></div> |
| <script> |
| // Adopted from the test case provided in crbug.com/735784 |
| "use strict"; |
| description("This tests UBO block lookups still work after detaching shaders"); |
| |
| debug(""); |
| |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("canvas"); |
| var gl = wtu.create3DContext(canvas, null, 2); |
| |
| function runTest(gl) { |
| var program = wtu.loadProgramFromScript(gl, "vshader", "fshader"); |
| if (!program) { |
| testFailed("Loading program failed"); |
| return; |
| } |
| |
| var shaders = gl.getAttachedShaders(program); |
| if (!shaders || shaders.length != 2) { |
| testFailed("getAttachedShaders failed"); |
| return; |
| } |
| gl.detachShader (program, shaders[0]); |
| gl.detachShader (program, shaders[1]); |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No GL error from set up"); |
| |
| var index = gl.getUniformBlockIndex(program, "localInputs"); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No GL error from getUniformBlockIndex"); |
| if (index == gl.INVALID_INDEX) { |
| testFailed("getUniformBlockIndex returns INVALID_INDEX"); |
| } else { |
| testPassed("getUniformBlockIndex returns valid index"); |
| } |
| } |
| |
| if (!gl) { |
| testFailed("WebGL context does not exist"); |
| } else { |
| testPassed("WebGL context exists"); |
| runTest(gl); |
| } |
| |
| debug(""); |
| var successfullyParsed = true; |
| </script> |
| <script src="../../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |
