| Index: conformance/attribs/gl-vertex-attrib-zero-issues.html
|
| ===================================================================
|
| --- conformance/attribs/gl-vertex-attrib-zero-issues.html (revision 0)
|
| +++ conformance/attribs/gl-vertex-attrib-zero-issues.html (revision 0)
|
| @@ -0,0 +1,95 @@
|
| +<!--
|
| +// Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +-->
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<meta charset="utf-8">
|
| +<title>WebGL Enable Vertex Attrib Zero Test</title>
|
| +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
|
| +<script src="../../resources/js-test-pre.js"></script>
|
| +<script src="../resources/webgl-test.js"> </script>
|
| +<script src="../resources/webgl-test-utils.js"> </script>
|
| +</head>
|
| +<body>
|
| +<canvas id="example" width="50" height="50">
|
| +</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">
|
| + void main()
|
| + {
|
| + gl_FragColor = vec4(0.0,0.0,0.0,0.0);
|
| + }
|
| +</script>
|
| +
|
| +<script>
|
| +description("Test some of the issues of the difference between attrib 0 on OpenGL vs WebGL");
|
| +debug("");
|
| +var wtu = WebGLTestUtils;
|
| +var canvas = document.getElementById("example");
|
| +var gl = wtu.create3DContext(canvas);
|
| +
|
| +function setup(numVerts, attribIndex) {
|
| + var program = wtu.setupProgram(
|
| + gl,
|
| + [wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER),
|
| + wtu.loadShaderFromScript(gl, 'fshader', gl.FRAGMENT_SHADER)],
|
| + ['vPosition'], [attribIndex]);
|
| + // draw with something on attrib zero with a small number of vertices
|
| + var vertexObject = gl.createBuffer();
|
| + g_program = program;
|
| + g_attribLocation = attribIndex;
|
| + shouldBe("g_attribLocation", "gl.getAttribLocation(g_program, 'vPosition')");
|
| + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
|
| + gl.bufferData(
|
| + gl.ARRAY_BUFFER, new Float32Array(numVerts * 3), gl.STATIC_DRAW);
|
| + gl.vertexAttribPointer(attribIndex, 3, gl.FLOAT, false, 0, 0);
|
| + var indices = new Uint16Array(numVerts);
|
| + for (var ii = 0; ii < numVerts; ++ii) {
|
| + indices[ii] = ii;
|
| + }
|
| + var indexBuffer = gl.createBuffer();
|
| + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer);
|
| + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);
|
| + return program;
|
| +}
|
| +
|
| +var p1 = setup(3, 0);
|
| +var p2 = setup(60000, 3);
|
| +
|
| +for (var ii = 0; ii < 5; ++ii) {
|
| + gl.useProgram(p1);
|
| + gl.enableVertexAttribArray(0);
|
| + gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0);
|
| + glErrorShouldBe(
|
| + gl, gl.NO_ERROR,
|
| + "drawing using attrib 0 with 3 verts");
|
| +
|
| + gl.useProgram(p2);
|
| + gl.enableVertexAttribArray(3);
|
| + gl.drawArrays(gl.LINES, 0, 60000);
|
| + glErrorShouldBe(
|
| + gl, gl.NO_ERROR,
|
| + "drawing using attrib 3 with 60000 verts");
|
| +}
|
| +
|
| +wtu.checkCanvas(gl, [0, 0, 0, 0], "canvas should be 0, 0, 0, 0");
|
| +
|
| +successfullyParsed = true;
|
| +</script>
|
| +<script src="../../resources/js-test-post.js"></script>
|
| +
|
| +</body>
|
| +</html>
|
| +
|
|
|
| Property changes on: conformance/attribs/gl-vertex-attrib-zero-issues.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/