Index: third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2dlod.html |
=================================================================== |
--- third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2dlod.html (revision 0) |
+++ third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2dlod.html (revision 0) |
@@ -0,0 +1,104 @@ |
+<!-- |
+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 texture2D GLSL conformance 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" style="width: 16px; height: 16px;"></canvas> |
+<div id="description"></div> |
+<div id="console"></div> |
+<script id="vshader2d" type="x-shader/x-vertex"> |
+attribute vec4 vPosition; |
+attribute vec2 texCoord0; |
+varying vec4 color; |
+uniform sampler2D tex; |
+uniform float lod; |
+void main() { |
+ gl_Position = vPosition; |
+ color = texture2DLod(tex, texCoord0, lod); |
+} |
+</script> |
+<script id="fshader2d" type="x-shader/x-vertex"> |
+precision mediump float; |
+varying vec4 color; |
+void main() { |
+ gl_FragData[0] = color; |
+} |
+</script> |
+<script> |
+description("tests GLSL texture2DLod function"); |
+ |
+var wtu = WebGLTestUtils; |
+var canvas = document.getElementById("example"); |
+ |
+shouldBe("canvas.width", "256"); |
+shouldBe("canvas.height", "256"); |
+ |
+var gl = wtu.create3DContext(canvas); |
+var program = wtu.setupProgram( |
+ gl, |
+ [wtu.loadShaderFromScript(gl, 'vshader2d', gl.VERTEX_SHADER), |
+ wtu.loadShaderFromScript(gl, 'fshader2d', gl.FRAGMENT_SHADER)], |
+ ['vPosition', 'texCoord0'], [0, 1]); |
+wtu.setupUnitQuad(gl, 0, 1); |
+ |
+var colors = [ |
+ {name: 'red', color:[255, 0, 0, 255]}, |
+ {name: 'green', color:[0, 255, 0, 255]}, |
+ {name: 'blue', color:[0, 0, 255, 255]}, |
+ {name: 'yellow', color:[255, 255, 0, 255]}, |
+ {name: 'magenta', color:[255, 0, 255, 255]}, |
+ {name: 'cyan', color:[0, 255, 255, 255]}, |
+ {name: 'pink', color:[255, 128, 128, 255]}, |
+ {name: 'gray', color:[128, 128, 128, 255]}, |
+ {name: 'light green', color:[128, 255, 128, 255]}, |
+]; |
+ |
+shouldBe("colors.length", "9"); |
+ |
+var tex = gl.createTexture(); |
+gl.bindTexture(gl.TEXTURE_2D, tex); |
+gl.texParameteri( |
+ gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR); |
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); |
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); |
+gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); |
+ |
+for (var ii = 0; ii < colors.length; ++ii) { |
+ var color = colors[ii]; |
+ var size = Math.pow(2, colors.length - ii - 1); |
+ wtu.fillTexture(gl, tex, size, size, color.color, ii); |
+} |
+ |
+var loc = gl.getUniformLocation(program, "lod"); |
+ |
+for (var ii = 0; ii < colors.length; ++ii) { |
+ gl.uniform1f(loc, ii); |
+ var color = colors[ii]; |
+ wtu.drawQuad(gl); |
+ wtu.checkCanvas( |
+ gl, color.color, |
+ "256x256 texture drawn to 256x256 dest with lod = " + ii + |
+ " should be " + color.name); |
+} |
+glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors."); |
+ |
+successfullyParsed = true; |
+ |
+</script> |
+<script src="../../../resources/js-test-post.js"></script> |
+ |
+</body> |
+</html> |
+ |
+ |
Property changes on: third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2dlod.html |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |