conformance/textures/tex-image-and-sub-image-2d-with-canvas.html - Issue 8342021: Add webgl conformance tests r15841.

Unified Diff: conformance/textures/tex-image-and-sub-image-2d-with-canvas.html

Issue 8342021: Add webgl conformance tests r15841. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/

Patch Set: Created 9 years, 2 months ago

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Index: conformance/textures/tex-image-and-sub-image-2d-with-canvas.html

===================================================================

--- conformance/textures/tex-image-and-sub-image-2d-with-canvas.html (revision 0)

+++ conformance/textures/tex-image-and-sub-image-2d-with-canvas.html (revision 0)

@@ -0,0 +1,115 @@

+<!--

+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>

+var wtu = WebGLTestUtils;

+var gl = null;

+var textureLoc = null;

+var successfullyParsed = false;

+function init()

+ if (window.initNonKhronosFramework) {

+ window.initNonKhronosFramework(true);

+ }

+ description('Verify texImage2D and texSubImage2D code paths taking Images');

+ var canvas = document.getElementById("example");

+ gl = wtu.create3DContext(canvas);

+ var program = wtu.setupTexturedQuad(gl);

+ gl.clearColor(0,0,0,1);

+ gl.clearDepth(1);

+ var testCanvas = document.createElement('canvas');

+ testCanvas.width = 1;

+ testCanvas.height = 2;

+ var ctx = testCanvas.getContext("2d");

+ ctx.fillStyle = "#ff0000";

+ ctx.fillRect(0,0,1,1);

+ ctx.fillStyle = "#00ff00";

+ ctx.fillRect(0,1,1,1);

+ runTest(testCanvas);

+// These two declarations need to be global for "shouldBe" to see them

+var buf = null;

+var idx = 0;

+var pixel = [0, 0, 0];

+var correctColor = null;

+function runOneIteration(image, useTexSubImage2D, flipY, topColor, bottomColor)

+ debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +

+ ' with flipY=' + flipY);

+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);

+ // Disable any writes to the alpha channel

+ gl.colorMask(1, 1, 1, 0);

+ var texture = gl.createTexture();

+ // Bind the texture to texture unit 0

+ gl.bindTexture(gl.TEXTURE_2D, texture);

+ // Set up texture parameters

+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);

+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);

+ // Set up pixel store parameters

+ gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);

+ gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);

+ gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);

+ // Upload the image into the texture

+ if (useTexSubImage2D) {

+ // Initialize the texture to black first

+ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, image.width, image.height, 0,

+ gl.RGBA, gl.UNSIGNED_BYTE, null);

+ gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);

+ } else {

+ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);

+ }

+ // Point the uniform sampler to texture unit 0

+ gl.uniform1i(textureLoc, 0);

+ // Draw the triangles

+ wtu.drawQuad(gl, [0, 0, 0, 255]);

+ // Check a few pixels near the top and bottom and make sure they have

+ // the right color.

+ debug("Checking lower left corner");

+ wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,

+ "shouldBe " + bottomColor);

+ debug("Checking upper left corner");

+ wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,

+ "shouldBe " + topColor);

+function runTest(image)

+ var red = [255, 0, 0];

+ var green = [0, 255, 0];

+ runOneIteration(image, false, true, red, green);

+ runOneIteration(image, false, false, green, red);

+ runOneIteration(image, true, true, red, green);

+ runOneIteration(image, true, false, green, red);

+ glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");

+ finishTest();

+</script>

+</head>

+<body onload="init()">

+<canvas id="example" width="32px" height="32px"></canvas>

+<div id="description"></div>

+<div id="console"></div>

+</body>

+</html>

Property changes on: conformance/textures/tex-image-and-sub-image-2d-with-canvas.html

___________________________________________________________________

Added: svn:eol-style

+ LF