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Unified Diff: third_party/webgl/sdk/tests/conformance/glsl/variables/gl-pointcoord.html

Issue 9360034: Remove everthing except conformance tests in the deps/third_party/webgl (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/
Patch Set: Created 8 years, 10 months ago
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Index: third_party/webgl/sdk/tests/conformance/glsl/variables/gl-pointcoord.html
===================================================================
--- third_party/webgl/sdk/tests/conformance/glsl/variables/gl-pointcoord.html (revision 121077)
+++ third_party/webgl/sdk/tests/conformance/glsl/variables/gl-pointcoord.html (working copy)
@@ -1,141 +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">
- <title>gl-pointcoord 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="256" height="256">
-</canvas>
-<div id="description"></div>
-<div id="console"></div>
- <script id="vshader" type="x-shader/x-vertex">
- attribute vec4 vPosition;
- uniform float uPointSize;
- void main()
- {
- gl_PointSize = uPointSize;
- gl_Position = vPosition;
- }
- </script>
-
- <script id="fshader" type="x-shader/x-fragment">
- precision mediump float;
- void main()
- {
- gl_FragColor = vec4(
- gl_PointCoord.x,
- gl_PointCoord.y,
- 0,
- 1);
- }
- </script>
-
- <script>
- function init()
- {
- if (window.initNonKhronosFramework) {
- window.initNonKhronosFramework(false);
- }
-
- description("Checks gl_PointCoord and gl_PointSize");
- debug("");
-
- // NOTE: I'm not 100% confident in this test. I think it is correct.
-
- wtu = WebGLTestUtils;
- gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
-
- canvas = gl.canvas;
- width = canvas.width;
- height = canvas.height;
- shouldBeTrue("width == height");
-
- maxPointSize = gl.getParameter(gl.ALIASED_POINT_SIZE_RANGE)[1];
- shouldBeTrue("maxPointSize >= 1");
- shouldBeTrue("maxPointSize % 1 == 0");
-
- maxPointSize = Math.min(maxPointSize, 64);
- pointWidth = maxPointSize / width;
- pointStep = Math.floor(maxPointSize / 4);
- pointStep = Math.max(1, pointStep);
-
- program = gl.program;
- pointSizeLoc = gl.getUniformLocation(program, "uPointSize");
- gl.uniform1f(pointSizeLoc, maxPointSize);
-
- var pixelOffset = (maxPointSize % 2) ? (1 / width) : 0;
- var vertexObject = gl.createBuffer();
- gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
- gl.bufferData(
- gl.ARRAY_BUFFER,
- new Float32Array(
- [-0.5 + pixelOffset, -0.5 + pixelOffset,
- 0.5 + pixelOffset, -0.5 + pixelOffset,
- -0.5 + pixelOffset, 0.5 + pixelOffset,
- 0.5 + pixelOffset, 0.5 + pixelOffset]),
- gl.STATIC_DRAW);
- gl.enableVertexAttribArray(0);
- gl.vertexAttribPointer(0, 2, gl.FLOAT, false, 0, 0);
-
- gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
-
- gl.drawArrays(gl.POINTS, 0, 4);
- function s2p(s) {
- return (s + 1.0) * 0.5 * width;
- }
-
- //function print(x, y) {
- // var b = new Uint8Array(4);
- // gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, b);
- // debug("" + x + "," + y + ": " + b[0] + "," + b[1] + "," + b[2]);
- //}
- //
- //for (var ii = 0; ii < 100; ++ii) {
- // print(ii, ii);
- //}
-
- for (var py = 0; py < 2; ++py) {
- for (var px = 0; px < 2; ++px) {
- debug("");
- var pointX = -0.5 + px + pixelOffset;
- var pointY = -0.5 + py + pixelOffset;
- for (var yy = 0; yy < maxPointSize; yy += pointStep) {
- for (var xx = 0; xx < maxPointSize; xx += pointStep) {
- // formula for s and t from OpenGL ES 2.0 spec section 3.3
- var xw = s2p(pointX);
- var yw = s2p(pointY);
- //debug("xw: " + xw + " yw: " + yw);
- var u = xx / maxPointSize * 2 - 1;
- var v = yy / maxPointSize * 2 - 1;
- var xf = Math.floor(s2p(pointX + u * pointWidth));
- var yf = Math.floor(s2p(pointY + v * pointWidth));
- //debug("xf: " + xf + " yf: " + yf);
- var s = 0.5 + (xf + 0.5 - xw) / maxPointSize;
- var t = 0.5 + (yf + 0.5 - yw) / maxPointSize;
- //debug("s: " + s + " t: " + t);
- var color = [Math.floor(s * 255), Math.floor((1 - t) * 255), 0];
- var msg = "pixel " + xf + "," + yf + " should be " + color;
- wtu.checkCanvasRect(gl, xf, yf, 1, 1, color, msg, 4);
- }
- }
- }
- }
- }
-
- init();
- successfullyParsed = true;
- </script>
-<script src="../../../resources/js-test-post.js"></script>
-
-</body>
-</html>
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