content/canvas/test/webgl-conformance/conformance/attribs/gl-vertexattribpointer.html@8bccb770b82d (annotated)
content/canvas/test/webgl-conformance/conformance/attribs/gl-vertexattribpointer.html
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
| michael@0 | 1 | <!-- |
| michael@0 | 2 | Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| michael@0 | 3 | Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 4 | found in the LICENSE file. |
| michael@0 | 5 | --> |
| michael@0 | 6 | <!DOCTYPE html> |
| michael@0 | 7 | <html> |
| michael@0 | 8 | <head> |
| michael@0 | 9 | <meta charset="utf-8"> |
| michael@0 | 10 | <title>WebGL vertexAttribPointer Conformance Tests</title> |
| michael@0 | 11 | <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| michael@0 | 12 | <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script> |
| michael@0 | 13 | <script src="../../resources/js-test-pre.js"></script> |
| michael@0 | 14 | <script src="../resources/webgl-test.js"></script> |
| michael@0 | 15 | <script src="../resources/webgl-test-utils.js"></script> |
| michael@0 | 16 | </head> |
| michael@0 | 17 | <body> |
| michael@0 | 18 | <div id="description"></div> |
| michael@0 | 19 | <div id="console"></div> |
| michael@0 | 20 | <canvas id="canvas" width="2" height="2"> </canvas> |
| michael@0 | 21 | <script> |
| michael@0 | 22 | description("This test checks vertexAttribPointer behaviors in WebGL."); |
| michael@0 | 23 | |
| michael@0 | 24 | debug(""); |
| michael@0 | 25 | debug("Canvas.getContext"); |
| michael@0 | 26 | |
| michael@0 | 27 | var wtu = WebGLTestUtils; |
| michael@0 | 28 | var gl = create3DContext(document.getElementById("canvas")); |
| michael@0 | 29 | if (!gl) { |
| michael@0 | 30 | testFailed("context does not exist"); |
| michael@0 | 31 | } else { |
| michael@0 | 32 | testPassed("context exists"); |
| michael@0 | 33 | |
| michael@0 | 34 | debug(""); |
| michael@0 | 35 | debug("Checking gl.vertexAttribPointer."); |
| michael@0 | 36 | |
| michael@0 | 37 | if (!gl.FIXED) { |
| michael@0 | 38 | gl.FIXED = 0x140C; |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | gl.vertexAttribPointer(0, 3, gl.FLOAT, 0, 0, 12); |
| michael@0 | 42 | glErrorShouldBe(gl, gl.INVALID_OPERATION, |
| michael@0 | 43 | "vertexAttribPointer should fail if no buffer is bound"); |
| michael@0 | 44 | |
| michael@0 | 45 | var vertexObject = gl.createBuffer(); |
| michael@0 | 46 | gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| michael@0 | 47 | gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(0), gl.STATIC_DRAW); |
| michael@0 | 48 | |
| michael@0 | 49 | gl.vertexAttribPointer(0, 1, gl.INT, 0, 0, 0); |
| michael@0 | 50 | glErrorShouldBe(gl, gl.INVALID_ENUM, |
| michael@0 | 51 | "vertexAttribPointer should not support INT"); |
| michael@0 | 52 | gl.vertexAttribPointer(0, 1, gl.UNSIGNED_INT, 0, 0, 0); |
| michael@0 | 53 | glErrorShouldBe(gl, gl.INVALID_ENUM, |
| michael@0 | 54 | "vertexAttribPointer should not support UNSIGNED_INT"); |
| michael@0 | 55 | gl.vertexAttribPointer(0, 1, gl.FIXED, 0, 0, 0); |
| michael@0 | 56 | glErrorShouldBe(gl, gl.INVALID_ENUM, |
| michael@0 | 57 | "vertexAttribPointer should not support FIXED"); |
| michael@0 | 58 | |
| michael@0 | 59 | function checkVertexAttribPointer( |
| michael@0 | 60 | gl, err, reason, size, type, normalize, stride, offset) { |
| michael@0 | 61 | gl.vertexAttribPointer(0, size, type, normalize, stride, offset); |
| michael@0 | 62 | glErrorShouldBe(gl, err, |
| michael@0 | 63 | "gl.vertexAttribPointer(0, " + size + |
| michael@0 | 64 | ", gl." + wtu.glEnumToString(gl, type) + |
| michael@0 | 65 | ", " + normalize + |
| michael@0 | 66 | ", " + stride + |
| michael@0 | 67 | ", " + offset + |
| michael@0 | 68 | ") should " + (err == gl.NO_ERROR ? "succeed " : "fail ") + reason); |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | var types = [ |
| michael@0 | 72 | { type:gl.BYTE, bytesPerComponent: 1 }, |
| michael@0 | 73 | { type:gl.UNSIGNED_BYTE, bytesPerComponent: 1 }, |
| michael@0 | 74 | { type:gl.SHORT, bytesPerComponent: 2 }, |
| michael@0 | 75 | { type:gl.UNSIGNED_SHORT, bytesPerComponent: 2 }, |
| michael@0 | 76 | { type:gl.FLOAT, bytesPerComponent: 4 }, |
| michael@0 | 77 | ]; |
| michael@0 | 78 | |
| michael@0 | 79 | for (var ii = 0; ii < types.length; ++ii) { |
| michael@0 | 80 | var info = types[ii]; |
| michael@0 | 81 | debug(""); |
| michael@0 | 82 | for (var size = 1; size <= 4; ++size) { |
| michael@0 | 83 | debug(""); |
| michael@0 | 84 | debug("checking: " + wtu.glEnumToString(gl, info.type) + " with size " + size); |
| michael@0 | 85 | var bytesPerElement = size * info.bytesPerComponent; |
| michael@0 | 86 | var offsetSet = [ |
| michael@0 | 87 | 0, |
| michael@0 | 88 | 1, |
| michael@0 | 89 | info.bytesPerComponent - 1, |
| michael@0 | 90 | info.bytesPerComponent, |
| michael@0 | 91 | info.bytesPerComponent + 1, |
| michael@0 | 92 | info.bytesPerComponent * 2]; |
| michael@0 | 93 | for (var jj = 0; jj < offsetSet.length; ++jj) { |
| michael@0 | 94 | var offset = offsetSet[jj]; |
| michael@0 | 95 | for (var kk = 0; kk < offsetSet.length; ++kk) { |
| michael@0 | 96 | var stride = offsetSet[kk]; |
| michael@0 | 97 | var err = gl.NO_ERROR; |
| michael@0 | 98 | var reason = "" |
| michael@0 | 99 | if (offset % info.bytesPerComponent != 0) { |
| michael@0 | 100 | reason = "because offset is bad"; |
| michael@0 | 101 | err = gl.INVALID_OPERATION; |
| michael@0 | 102 | } |
| michael@0 | 103 | if (stride % info.bytesPerComponent != 0) { |
| michael@0 | 104 | reason = "because stride is bad"; |
| michael@0 | 105 | err = gl.INVALID_OPERATION; |
| michael@0 | 106 | } |
| michael@0 | 107 | checkVertexAttribPointer( |
| michael@0 | 108 | gl, err, reason, size, info.type, false, stride, offset); |
| michael@0 | 109 | } |
| michael@0 | 110 | var stride = Math.floor(255 / info.bytesPerComponent) * info.bytesPerComponent; |
| michael@0 | 111 | |
| michael@0 | 112 | if (offset == 0) { |
| michael@0 | 113 | checkVertexAttribPointer( |
| michael@0 | 114 | gl, gl.NO_ERROR, "at stride limit", |
| michael@0 | 115 | size, info.type, false, stride, offset); |
| michael@0 | 116 | checkVertexAttribPointer( |
| michael@0 | 117 | gl, gl.INVALID_VALUE, "over stride limit", |
| michael@0 | 118 | size, info.type, false, |
| michael@0 | 119 | stride + info.bytesPerComponent, offset); |
| michael@0 | 120 | } |
| michael@0 | 121 | } |
| michael@0 | 122 | } |
| michael@0 | 123 | } |
| michael@0 | 124 | } |
| michael@0 | 125 | |
| michael@0 | 126 | debug(""); |
| michael@0 | 127 | successfullyParsed = true; |
| michael@0 | 128 | |
| michael@0 | 129 | </script> |
| michael@0 | 130 | <script>finishTest();</script> |
| michael@0 | 131 | |
| michael@0 | 132 | </body> |
| michael@0 | 133 | </html> |
