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Unified Diff: third_party/webgl/sdk/tests/conformance/textures/texture-size.html

Issue 9373009: Check in webgl conformance tests r16844 from khronos. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/
Patch Set: Created 8 years, 10 months ago
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Index: third_party/webgl/sdk/tests/conformance/textures/texture-size.html
===================================================================
--- third_party/webgl/sdk/tests/conformance/textures/texture-size.html (revision 0)
+++ third_party/webgl/sdk/tests/conformance/textures/texture-size.html (revision 0)
@@ -0,0 +1,200 @@
+<!--
+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 texture size 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="32" height="32" style="width: 40px; height: 40px;"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script id="vshader" type="x-shader/x-vertex">
+attribute vec4 vPosition;
+attribute vec3 texCoord0;
+varying vec3 texCoord;
+void main()
+{
+ gl_Position = vPosition;
+ texCoord = texCoord0;
+}
+</script>
+
+<script id="fshader" type="x-shader/x-fragment">
+precision mediump float;
+uniform samplerCube tex;
+varying vec3 texCoord;
+void main()
+{
+ gl_FragColor = textureCube(tex, normalize(texCoord));
+}
+</script>
+<script>
+description("Checks that various sizes of textures render")
+var canvas;
+
+var wtu = WebGLTestUtils;
+canvas = document.getElementById("example");
+gl = wtu.create3DContext(canvas);
+var program2D = wtu.setupTexturedQuad(gl);
+var programCubeMap = wtu.setupProgram(
+ gl,
+ [wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER),
+ wtu.loadShaderFromScript(gl, 'fshader', gl.FRAGMENT_SHADER)],
+ ['vPosition', 'texCoord0'], [0, 1]);
+gl.disable(gl.DEPTH_TEST);
+gl.disable(gl.BLEND);
+var tex = gl.createTexture();
+var max2DSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);
+var maxCubeMapSize = gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE);
+debug("MAX_TEXTURE_SIZE:" + max2DSize);
+debug("MAX_CUBE_MAP_TEXTURE_SIZE:" + maxCubeMapSize);
+// Assuming 2048x2048xRGBA (22meg with mips) will run on all WebGL platforms
+var max2DSquareSize = Math.min(max2DSize, 2048);
+// I'd prefer this to be 2048 but that's 16meg x 6 faces or 128meg (with mips)
+// 1024 is 33.5 meg (with mips)
+var maxCubeMapSize = Math.min(maxCubeMapSize, 1024);
+
+var colors = [
+ { name: "green", rgba: [0, 0, 255, 255] },
+ { name: "red", rgba: [255, 0, 0, 255] },
+ { name: "blue", rgba: [0, 255, 0, 255] },
+ { name: "yellow", rgba: [255, 255, 0, 255] },
+ { name: "magenta", rgba: [255, 0, 255, 255] },
+ { name: "cyan", rgba: [0, 255, 255, 255] }
+];
+
+var count = 0;
+var power = 0;
+runTest();
+
+function runTest() {
+ function doTest() {
+ var size = Math.pow(2, power);
+ if (size > max2DSize) {
+ return false;
+ }
+ gl.useProgram(program2D);
+ if (!checkTexture(size, 1, false)) return false;
+ if (!checkTexture(1, size, false)) return false;
+ if (size <= max2DSquareSize) {
+ if (!checkTexture(size, size, false)) {
+ return false;
+ }
+ }
+ if (size <= maxCubeMapSize) {
+ gl.useProgram(programCubeMap);
+ if (!checkTexture(size, size, true)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ if (doTest()) {
+ ++power;
+ setTimeout(runTest, 100);
+ } else {
+ finishTest();
+ }
+}
+
+function checkTexture(width, height, cubeMap) {
+ count = (count + 1) % colors.length;
+ var color = colors[count];
+ var tex = gl.createTexture();
+ var target = cubeMap ? gl.TEXTURE_CUBE_MAP : gl.TEXTURE_2D;
+ var type = cubeMap ? "cube map" : "2D texture";
+ gl.bindTexture(target, tex);
+ gl.texParameteri(target, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
+ gl.texParameteri(target, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+ gl.texParameteri(target, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+ fillLevel(0, width, height, color.rgba, cubeMap);
+ var err = gl.getError();
+ if (err == gl.OUT_OF_MEMORY) {
+ debug("out of memory");
+ return false;
+ }
+ if (err != gl.NO_ERROR) {
+ testFailed("unexpected gl error: " + wtu.glEnumToString(gl, err));
+ }
+ wtu.drawQuad(gl);
+ wtu.checkCanvas(gl, color.rgba,
+ type + " of size " + width + "x" + height + " with no mips should draw with " + color.name);
+ count = (count + 1) % colors.length;
+ color = colors[count];
+ fillLevel(0, width, height, color.rgba, cubeMap);
+ gl.generateMipmap(target);
+ var err = gl.getError();
+ if (err == gl.OUT_OF_MEMORY) {
+ debug("out of memory");
+ return false;
+ }
+ if (err != gl.NO_ERROR) {
+ testFailed("unexpected gl error: " + wtu.glEnumToString(gl, err));
+ }
+ gl.texParameteri(target, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST);
+ wtu.drawQuad(gl);
+ wtu.checkCanvas(gl, color.rgba,
+ type + " of size " + width + "x" + height + " with mips should draw with " + color.name);
+ gl.deleteTexture(tex);
+ return true;
+}
+
+function fillLevel(level, width, height, color, opt_cubemap) {
+ var numPixels = width * height;
+ var pixels = null;
+ var largeDim = Math.max(width, height);
+ var smallDim = Math.min(width, height);
+
+ var pixelRow = new Uint8Array(largeDim * 4);
+ for (var jj = 0; jj < largeDim; ++jj) {
+ var off = jj * 4;
+ pixelRow[off + 0] = color[0];
+ pixelRow[off + 1] = color[1];
+ pixelRow[off + 2] = color[2];
+ pixelRow[off + 3] = color[3];
+ }
+
+ if (largeDim == numPixels) {
+ pixels = pixelRow;
+ } else {
+ var pixels = new Uint8Array(numPixels * 4);
+ for (var jj = 0; jj < smallDim; ++jj) {
+ var off = jj * largeDim * 4;
+ pixels.set(pixelRow, off);
+ }
+ }
+
+ var targets = opt_cubemap ? [
+ gl.TEXTURE_CUBE_MAP_POSITIVE_X,
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_X,
+ gl.TEXTURE_CUBE_MAP_POSITIVE_Y,
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,
+ gl.TEXTURE_CUBE_MAP_POSITIVE_Z,
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_Z] :
+ [gl.TEXTURE_2D];
+
+ for (var ii = 0; ii < targets.length; ++ii) {
+ // debug(wtu.glEnumToString(gl, targets[ii]));
+ gl.texImage2D(
+ targets[ii], level, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE,
+ pixels);
+ }
+}
+
+glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
+
+successfullyParsed = true;
+</script>
+</body>
+</html>
+
Property changes on: third_party/webgl/sdk/tests/conformance/textures/texture-size.html
___________________________________________________________________
Added: svn:eol-style
+ LF
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