| Index: conformance/point-size.html
|
| ===================================================================
|
| --- conformance/point-size.html (revision 106149)
|
| +++ conformance/point-size.html (working copy)
|
| @@ -1,133 +0,0 @@
|
| -<!--
|
| -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">
|
| -<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 id="vshader" type="x-shader/x-vertex">
|
| -attribute vec3 pos;
|
| -attribute vec4 colorIn;
|
| -uniform float pointSize;
|
| -varying vec4 color;
|
| -
|
| -void main()
|
| -{
|
| - gl_PointSize = pointSize;
|
| - color = colorIn;
|
| - gl_Position = vec4(pos.xyz, 3.0);
|
| -}
|
| -</script>
|
| -
|
| -<script id="fshader" type="x-shader/x-fragment">
|
| -precision mediump float;
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| -varying vec4 color;
|
| -
|
| -void main()
|
| -{
|
| - gl_FragColor = color;
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| -}
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| -</script>
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| -
|
| -<script>
|
| -function runTest()
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| -{
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| - var gl = initWebGL('testbed', 'vshader', 'fshader', ['pos', 'colorIn'], [0, 0, 0, 1], 1, { antialias: false });
|
| - if (!gl) {
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| - testFailed('initWebGL(..) failed');
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| - return false;
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| - }
|
| - gl.disable(gl.BLEND);
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| - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
| -
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| - // The choice of (0.4, 0.4) ensures that the centers of the surrounding
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| - // pixels are not contained within the point when it is of size 1, but
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| - // that they definitely are when it is of size 2.
|
| - var vertices = new Float32Array([
|
| - 0.4, 0.4, 0.0]);
|
| - var colors = new Uint8Array([
|
| - 255, 0, 0, 255]);
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| -
|
| - var colorOffset = vertices.byteLength;
|
| -
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| - var vbo = gl.createBuffer();
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| - gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
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| - gl.bufferData(gl.ARRAY_BUFFER, colorOffset + colors.byteLength, gl.STATIC_DRAW);
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| - gl.bufferSubData(gl.ARRAY_BUFFER, 0, vertices);
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| - gl.bufferSubData(gl.ARRAY_BUFFER, colorOffset, colors);
|
| -
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| - gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
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| - gl.enableVertexAttribArray(0);
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| - gl.vertexAttribPointer(1, 4, gl.UNSIGNED_BYTE, true, 0, colorOffset);
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| - gl.enableVertexAttribArray(1);
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| -
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| - var locPointSize = gl.getUniformLocation(gl.program, 'pointSize');
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| -
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| - debug('Draw a point of size 1 and verify it does not touch any other pixels.');
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| -
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| - gl.uniform1f(locPointSize, 1.0);
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| - gl.drawArrays(gl.POINTS, 0, vertices.length / 3);
|
| - var buf = new Uint8Array(2 * 2 * 4);
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| - gl.readPixels(0, 0, 2, 2, gl.RGBA, gl.UNSIGNED_BYTE, buf);
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| - var index = 0;
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| - for (var y = 0; y < 2; ++y) {
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| - for (var x = 0; x < 2; ++x) {
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| - var correctColor = [0, 0, 0];
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| - if (x == 1 && y == 1)
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| - correctColor[0] = 255;
|
| - if (buf[index] != correctColor[0] || buf[index + 1] != correctColor[1] || buf[index + 2] != correctColor[2]) {
|
| - testFailed('Drawing a point of size 1 touched pixels that should not be touched');
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| - return false;
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| - }
|
| - index += 4;
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| - }
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| - }
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| - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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| -
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| - debug('Draw a point of size 2 and verify it fills the appropriate region.');
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| -
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| - var pointSizeRange = gl.getParameter(gl.ALIASED_POINT_SIZE_RANGE);
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| - if (pointSizeRange < 2.0)
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| - return true;
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| -
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| - gl.uniform1f(locPointSize, 2.0);
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| - gl.drawArrays(gl.POINTS, 0, vertices.length / 3);
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| - gl.readPixels(0, 0, 2, 2, gl.RGBA, gl.UNSIGNED_BYTE, buf);
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| - index = 0;
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| - for (var y = 0; y < 2; ++y) {
|
| - for (var x = 0; x < 2; ++x) {
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| - var correctColor = [255, 0, 0];
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| - if (buf[index] != correctColor[0] || buf[index + 1] != correctColor[1] || buf[index + 2] != correctColor[2]) {
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| - testFailed('Drawing a point of size 2 failed to fill the appropriate region');
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| - return false;
|
| - }
|
| - index += 4;
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| - }
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| - }
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| -
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| - return true;
|
| -}
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| -</script>
|
| -</head>
|
| -<body>
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| -<canvas id="testbed" width="2px" height="2px"></canvas>
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| -<div id="description"></div>
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| -<div id="console"></div>
|
| -<script>
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| -description('Verify GL_VERTEX_PROGRAM_POINT_SIZE is enabled in WebGL');
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| -
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| -if (runTest())
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| - testPassed("");
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| -
|
| -successfullyParsed = true;
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| -</script>
|
| -
|
| -<script src="../resources/js-test-post.js"></script>
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| -
|
| -</body>
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| -</html>
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|
|