| Index: third_party/webgl/sdk/tests/conformance/textures/tex-sub-image-2d.html
|
| ===================================================================
|
| --- third_party/webgl/sdk/tests/conformance/textures/tex-sub-image-2d.html (revision 0)
|
| +++ third_party/webgl/sdk/tests/conformance/textures/tex-sub-image-2d.html (revision 0)
|
| @@ -0,0 +1,101 @@
|
| +<!--
|
| +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 src="../resources/webgl-test-utils.js"></script>
|
| +<script id="fshader" type="x-shader/x-fragment">
|
| +precision mediump float;
|
| +
|
| +uniform sampler2D tex;
|
| +varying vec2 texCoord;
|
| +
|
| +void main()
|
| +{
|
| + float intensity = texture2D(tex, texCoord).a;
|
| + gl_FragColor = vec4(intensity, intensity, intensity, 1.0);
|
| +}
|
| +</script>
|
| +
|
| +</head>
|
| +<body>
|
| +<canvas id="example" width="256px" height="1px"></canvas>
|
| +<div id="description"></div>
|
| +<div id="console"></div>
|
| +<script>
|
| +description('Tests texSubImage2D upload path from Uint8Array');
|
| +
|
| +var wtu = WebGLTestUtils;
|
| +var canvas = document.getElementById("example");
|
| +var gl = wtu.create3DContext(canvas);
|
| +gl.disable(gl.DITHER);
|
| +var program = wtu.setupProgram(
|
| + gl,
|
| + [wtu.setupSimpleTextureVertexShader(gl),
|
| + wtu.loadShaderFromScript(gl, "fshader")],
|
| + ['vPosition', 'texCoord0']);
|
| +wtu.setupUnitQuad(gl);
|
| +var textureWidth = 256;
|
| +var textureHeight = 1;
|
| +
|
| +textureLoc = gl.getUniformLocation(program, "tex");
|
| +
|
| +var texture = gl.createTexture();
|
| +gl.bindTexture(gl.TEXTURE_2D, texture);
|
| +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
|
| +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
|
| +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
|
| +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
|
| +// Allocate the texture object
|
| +gl.texImage2D(gl.TEXTURE_2D, 0, gl.ALPHA, textureWidth, textureHeight, 0, gl.ALPHA, gl.UNSIGNED_BYTE, null);
|
| +// Prepare the image data
|
| +var array = new Uint8Array(textureWidth);
|
| +for (var i = 0; i < textureWidth; i++)
|
| + array[i] = i;
|
| +// Fill the texture object with data -- this is actually the code path being tested
|
| +gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, textureWidth, textureHeight, gl.ALPHA, gl.UNSIGNED_BYTE, array);
|
| +
|
| +// Clear and set up
|
| +gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
| +gl.bindTexture(gl.TEXTURE_2D, texture);
|
| +gl.useProgram(program);
|
| +gl.uniform1i(textureLoc, 0);
|
| +// Draw the texture to the frame buffer
|
| +gl.drawArrays(gl.TRIANGLES, 0, 6);
|
| +
|
| +// Read back the frame buffer
|
| +var buf = new Uint8Array(textureWidth * textureHeight * 4);
|
| +gl.readPixels(0, 0, textureWidth, textureHeight, gl.RGBA, gl.UNSIGNED_BYTE, buf);
|
| +
|
| +// Verify the frame buffer's contents
|
| +var passed = true;
|
| +for (var i = 0; i < textureWidth; i++) {
|
| + var val = i;
|
| + if (buf[4 * i + 0] != val ||
|
| + buf[4 * i + 1] != val ||
|
| + buf[4 * i + 2] != val) {
|
| + testFailed("pixel at (" + i + ", 0) was (" +
|
| + buf[4 * i + 0] + ", " +
|
| + buf[4 * i + 1] + ", " +
|
| + buf[4 * i + 2] + "), should be (" +
|
| + val + ", " + val + ", " + val + ")");
|
| + passed = false;
|
| + break;
|
| + }
|
| +}
|
| +
|
| +if (passed)
|
| + testPassed("");
|
| +
|
| +successfullyParsed = true;
|
| +</script>
|
| +<script src="../../resources/js-test-post.js"></script>
|
| +</body>
|
| +</html>
|
|
|
| Property changes on: third_party/webgl/sdk/tests/conformance/textures/tex-sub-image-2d.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|