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Unified Diff: conformance/textures/texture-active-bind.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/texture-active-bind.html
===================================================================
--- conformance/textures/texture-active-bind.html (revision 0)
+++ conformance/textures/texture-active-bind.html (revision 0)
@@ -0,0 +1,140 @@
+<!--
+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 ActiveTexture BindTexture 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="2" height="2" style="width: 40px; height: 40px;"></canvas>
+<canvas id="canvas2d" width="1" height="1" style="width: 40px; height: 40px;"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader" type="x-shader/x-vertex">
+uniform mat4 world;
+attribute vec3 vPosition;
+attribute vec2 texCoord0;
+varying vec2 texCoord;
+void main()
+{
+ gl_Position = world * vec4(vPosition, 1);
+ texCoord = texCoord0;
+}
+</script>
+<script>
+var gl;
+
+function init()
+{
+ if (window.initNonKhronosFramework) {
+ window.initNonKhronosFramework(false);
+ }
+
+ debug("Tests that glActiveTexture and glBindTexture work as expected");
+ debug("Specifically texture targets are per active texture unit.");
+ debug("");
+
+ var canvas2d = document.getElementById("canvas2d");
+ var ctx2d = canvas2d.getContext("2d");
+
+ var wtu = WebGLTestUtils;
+ var canvas = document.getElementById("example");
+ gl = wtu.create3DContext(canvas);
+ var program = wtu.setupProgram(
+ gl,
+ [wtu.loadShaderFromScript(gl, "vshader"),
+ wtu.setupSimpleTextureFragmentShader(gl)],
+ ['vPosition', 'texCoord0']);
+ wtu.setupUnitQuad(gl);
+ gl.disable(gl.DEPTH_TEST);
+ gl.disable(gl.BLEND);
+ glErrorShouldBe(gl, gl.NO_ERROR);
+
+ var colors = [
+ [0,192,128,255],
+ [128,64,255,255],
+ [192,255,64,255],
+ [200,0,255,255]];
+
+ // Make 4 textures by using 4 active texture units if available.
+ var texunits = Math.min(colors.length, gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS))
+ var textures = [];
+ for (var ii = 0; ii < texunits; ++ii) {
+ var tex = gl.createTexture();
+ gl.activeTexture(gl.TEXTURE0 + ii);
+ gl.bindTexture(gl.TEXTURE_2D, tex);
+ textures[ii] = tex;
+ }
+ glErrorShouldBe(gl, gl.NO_ERROR);
+
+ // now use each texture unit to write into the textures,
+ for (var ii = 0; ii < texunits; ++ii) {
+ var c = colors[ii];
+ ctx2d.fillStyle =
+ "rgba(" + c[0] + "," + c[1] + "," + c[2] + "," + c[3] + ")";
+ ctx2d.fillRect(0, 0, 1, 1);
+ gl.activeTexture(gl.TEXTURE0 + ii);
+ gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d);
+ }
+ glErrorShouldBe(gl, gl.NO_ERROR);
+
+ var textureLoc = gl.getUniformLocation(program, "tex");
+ var worldLoc = gl.getUniformLocation(program, "world");
+ glErrorShouldBe(gl, gl.NO_ERROR);
+
+ gl.clearColor(1,0,0,1);
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+
+ for (var ii = 0; ii < texunits; ++ii) {
+ var x = ii % 2;
+ var y = Math.floor(ii / 2);
+ gl.uniform1i(textureLoc, ii);
+ gl.uniformMatrix4fv(
+ worldLoc, false,
+ [0.5, 0, 0, 0,
+ 0, 0.5, 0, 0,
+ 0, 0, 1, 0,
+ -0.5 + x, -0.5 + y, 0, 1]);
+ gl.drawArrays(gl.TRIANGLES, 0, 6);
+ }
+ glErrorShouldBe(gl, gl.NO_ERROR);
+
+ for (var ii = 0; ii < texunits; ++ii) {
+ var c = colors[ii];
+ var x = ii % 2;
+ var y = Math.floor(ii / 2);
+ var buf = new Uint8Array(4);
+ gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, buf);
+ var msg = 'expected:' +
+ c[0] + ', ' + c[1] + ', ' + c[2] + ', ' + c[3] + ' found: ' +
+ buf[0] + ', ' +
+ buf[1] + ', ' +
+ buf[2] + ', ' +
+ buf[3];
+ if (buf[0] != c[0] ||
+ buf[1] != c[1] ||
+ buf[2] != c[2] ||
+ buf[3] != c[3])
+ testFailed(msg);
+ else
+ testPassed(msg);
+ }
+}
+
+init();
+successfullyParsed = true;
+</script>
+
+<script src="../../resources/js-test-post.js"></script>
+
+</body>
+</html>
+
Property changes on: conformance/textures/texture-active-bind.html
___________________________________________________________________
Added: svn:eol-style
+ LF
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