| Index: third_party/webgl/sdk/tests/conformance/glsl/misc/glsl-vertex-branch.html
|
| ===================================================================
|
| --- third_party/webgl/sdk/tests/conformance/glsl/misc/glsl-vertex-branch.html (revision 0)
|
| +++ third_party/webgl/sdk/tests/conformance/glsl/misc/glsl-vertex-branch.html (revision 0)
|
| @@ -0,0 +1,153 @@
|
| +<!--
|
| +
|
| +/*
|
| +** Copyright (c) 2012 The Khronos Group Inc.
|
| +**
|
| +** Permission is hereby granted, free of charge, to any person obtaining a
|
| +** copy of this software and/or associated documentation files (the
|
| +** "Materials"), to deal in the Materials without restriction, including
|
| +** without limitation the rights to use, copy, modify, merge, publish,
|
| +** distribute, sublicense, and/or sell copies of the Materials, and to
|
| +** permit persons to whom the Materials are furnished to do so, subject to
|
| +** the following conditions:
|
| +**
|
| +** The above copyright notice and this permission notice shall be included
|
| +** in all copies or substantial portions of the Materials.
|
| +**
|
| +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
| +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
| +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
| +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
| +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
| +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
| +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
|
| +*/
|
| +
|
| +-->
|
| +
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<meta charset="utf-8">
|
| +<title>GLSL function nodes Test</title>
|
| +<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
|
| +<link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/>
|
| +<script src="../../../resources/js-test-pre.js"></script>
|
| +<script src="../../resources/webgl-test.js"> </script>
|
| +<script src="../../resources/webgl-test-utils.js"> </script>
|
| +
|
| +<script id="vshaderNoBranch", type="x-shader/x-vertex">
|
| +attribute vec3 aPosition;
|
| +uniform float redIntensity;
|
| +
|
| +varying vec4 vColor;
|
| +
|
| +float MADBug(float paramValue) {
|
| + float localVar = 1.0;
|
| + return 0.25 * ceil(localVar) + paramValue;
|
| +}
|
| +
|
| +void main(void) {
|
| + gl_Position = vec4(aPosition, 1.0);
|
| + vColor = vec4(MADBug(redIntensity), 0., 0., 1.);
|
| +}
|
| +</script>
|
| +
|
| +<script id="vshaderBranch", type="x-shader/x-vertex">
|
| +attribute vec3 aPosition;
|
| +uniform float redIntensity;
|
| +
|
| +varying vec4 vColor;
|
| +
|
| +float MADBug(float paramValue) {
|
| + float localVar = 1.0;
|
| + return 0.25 * ceil(localVar) + paramValue;
|
| +}
|
| +
|
| +void main(void) {
|
| + float condition = 42.;
|
| + if (condition == 0.) {}
|
| + gl_Position = vec4(aPosition, 1.0);
|
| + vColor = vec4(MADBug(redIntensity), 0., 0., 1.);
|
| +}
|
| +</script>
|
| +
|
| +<script id="fshader", type="x-shader/x-fragment">
|
| +#if defined(GL_ES)
|
| +precision mediump float;
|
| +#endif
|
| +varying vec4 vColor;
|
| +void main()
|
| +{
|
| + gl_FragColor = vColor;
|
| +}
|
| +</script>
|
| +</head>
|
| +<body>
|
| +<canvas id="canvasNoBranch" width="50" height="50"></canvas>
|
| +<canvas id="canvasBranch" width="50" height="50"></canvas>
|
| +<div id="description">This tests against a Mac driver bug related to branches
|
| + inside of Vertex Shaders.</div>
|
| +<div id="console"></div>
|
| +<script>
|
| +var width = 50;
|
| +var height = 50;
|
| +
|
| +function drawAndRead(canvasID, vshaderID, buffer)
|
| +{
|
| + var gl = initWebGL(canvasID);
|
| + var program = setupProgram(gl, vshaderID, "fshader", ["aPosition"]);
|
| + var vertexObject = gl.createBuffer();
|
| + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
|
| + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -1,-1,0, 1,-1,0 ]), gl.STATIC_DRAW);
|
| + gl.enableVertexAttribArray(0);
|
| + gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
|
| +
|
| + var loc = gl.getUniformLocation(program, "redIntensity");
|
| + gl.uniform1f(loc, 0.75);
|
| + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
| + gl.drawArrays(gl.TRIANGLES, 0, 3);
|
| + gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buffer);
|
| + if (gl.getError() != gl.NO_ERROR)
|
| + return false;
|
| + return true;
|
| +}
|
| +
|
| +function compareRendering(buffer1, buffer2, tol)
|
| +{
|
| + for (var i = 0; i < width * height * 4; ++i) {
|
| + if (Math.abs(buffer1[i] - buffer2[i]) > tol)
|
| + return false;
|
| + }
|
| + return true;
|
| +}
|
| +
|
| +function init()
|
| +{
|
| + if (window.initNonKhronosFramework) {
|
| + window.initNonKhronosFramework(false);
|
| + }
|
| +
|
| + description("tests vertex shader with branch");
|
| +
|
| + var bufBranch = new Uint8Array(width * height * 4);
|
| + var bufNoBranch = new Uint8Array(width * height * 4);
|
| +
|
| + if (drawAndRead("canvasBranch", "vshaderBranch", bufBranch) == false ||
|
| + drawAndRead("canvasNoBranch", "vshaderNoBranch", bufNoBranch) == false) {
|
| + testFailed("Setup failed");
|
| + } else {
|
| + if (compareRendering(bufBranch, bufNoBranch, 4) == false)
|
| + testFailed("Rendering results are different");
|
| + else
|
| + testPassed("Rendering results are the same");
|
| + }
|
| +}
|
| +
|
| +init();
|
| +successfullyParsed = true;
|
| +</script>
|
| +<script src="../../../resources/js-test-post.js"></script>
|
| +</body>
|
| +</html>
|
| +
|
|
|
| Property changes on: third_party/webgl/sdk/tests/conformance/glsl/misc/glsl-vertex-branch.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 10399113:
Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/