| Index: third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2d-bias.html
|
| ===================================================================
|
| --- third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2d-bias.html (revision 0)
|
| +++ third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2d-bias.html (revision 0)
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| @@ -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;
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| +attribute vec2 texCoord0;
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| +varying vec2 texCoord;
|
| +void main() {
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| + gl_Position = vPosition;
|
| + texCoord = texCoord0;
|
| +}
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| +</script>
|
| +<script id="fshader2d" type="x-shader/x-vertex">
|
| +precision mediump float;
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| +uniform sampler2D tex;
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| +uniform float bias;
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| +varying vec2 texCoord;
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| +void main() {
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| + gl_FragData[0] = texture2D(tex, texCoord, bias);
|
| +}
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| +</script>
|
| +<script>
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| +description("tests GLSL texture2D function with bias");
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| +
|
| +var wtu = WebGLTestUtils;
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| +var canvas = document.getElementById("example");
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| +
|
| +shouldBe("canvas.width", "256");
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| +shouldBe("canvas.height", "256");
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| +
|
| +var gl = wtu.create3DContext(canvas);
|
| +var program = wtu.setupProgram(
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| + gl,
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| + [wtu.loadShaderFromScript(gl, 'vshader2d', gl.VERTEX_SHADER),
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| + wtu.loadShaderFromScript(gl, 'fshader2d', gl.FRAGMENT_SHADER)],
|
| + ['vPosition', 'texCoord0'], [0, 1]);
|
| +wtu.setupUnitQuad(gl, 0, 1);
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| +
|
| +var colors = [
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| + {name: 'red', color:[255, 0, 0, 255]},
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| + {name: 'green', color:[0, 255, 0, 255]},
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| + {name: 'blue', color:[0, 0, 255, 255]},
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| + {name: 'yellow', color:[255, 255, 0, 255]},
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| + {name: 'magenta', color:[255, 0, 255, 255]},
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| + {name: 'cyan', color:[0, 255, 255, 255]},
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| + {name: 'pink', color:[255, 128, 128, 255]},
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| + {name: 'gray', color:[128, 128, 128, 255]},
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| + {name: 'light green', color:[128, 255, 128, 255]},
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| +];
|
| +
|
| +shouldBe("colors.length", "9");
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| +
|
| +var tex = gl.createTexture();
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| +gl.bindTexture(gl.TEXTURE_2D, tex);
|
| +gl.texParameteri(
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| + gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST);
|
| +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
|
| +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
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| +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
|
| +
|
| +for (var ii = 0; ii < colors.length; ++ii) {
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| + var color = colors[ii];
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| + var size = Math.pow(2, colors.length - ii - 1);
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| + wtu.fillTexture(gl, tex, size, size, color.color, ii);
|
| +}
|
| +
|
| +var loc = gl.getUniformLocation(program, "bias");
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| +
|
| +for (var ii = 0; ii < colors.length; ++ii) {
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| + gl.uniform1f(loc, ii);
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| + var color = colors[ii];
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| + wtu.drawQuad(gl);
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| + wtu.checkCanvas(
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| + gl, color.color,
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| + "256x256 texture drawn to 256x256 dest with bias = " + ii +
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| + " should be " + color.name);
|
| +}
|
| +glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
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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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| +
|
| +
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|
|
| Property changes on: third_party/webgl/sdk/tests/conformance/glsl/samplers/glsl-function-texture2d-bias.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
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| + LF
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|