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

Issue 9360034: Remove everthing except conformance tests in the deps/third_party/webgl (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-cube-maps.html
===================================================================
--- third_party/webgl/sdk/tests/conformance/textures/texture-size-cube-maps.html (revision 121077)
+++ third_party/webgl/sdk/tests/conformance/textures/texture-size-cube-maps.html (working copy)
@@ -1,327 +0,0 @@
-<!--
-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 cube map 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: 40px; height: 40px;"></canvas>
-<div id="description"></div>
-<div id="console"></div>
-<script id="vshader" type="x-shader/x-vertex">
-attribute vec4 vPosition;
-uniform mat4 rotation;
-varying vec3 texCoord;
-void main()
-{
- gl_Position = vPosition;
- vec4 direction = vec4(vPosition.x * 0.5, vPosition.y * 0.5, 1, 1);
- texCoord = normalize((rotation * direction).xyz);
-}
-</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>
-var canvas;
-description("Checks issues with size of cube map textures");
-debug("");
-
-var wtu = WebGLTestUtils;
-canvas = document.getElementById("example");
-
-gl = wtu.create3DContext(canvas);
-wtu.setupUnitQuad(gl, 0, 1);
-var program = wtu.setupProgram(
- gl,
- [wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER),
- wtu.loadShaderFromScript(gl, 'fshader', gl.FRAGMENT_SHADER)],
- ['vPosition', 'texCoord0'], [0, 1]);
-var rotLoc = gl.getUniformLocation(program, "rotation");
-
-gl.disable(gl.DEPTH_TEST);
-gl.disable(gl.BLEND);
-
-var maxSize = gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE);
-debug("max cube map size: " + maxSize);
-maxSize = Math.min(512, maxSize);
-
-// a cube map of 512x512 takes 6meg. I'm assuming it's not
-// unreasonable to expect to be able to allocate a 6meg texture
-
-var colors = [
- {name: 'red', color: [255, 0, 0, 255]},
- {name: 'green', color: [ 0, 255, 0, 255]},
- {name: 'blue', color: [ 0, 0, 255, 255]},
- {name: 'yellow', color: [255, 255, 0, 255]},
- {name: 'cyan', color: [ 0, 255, 255, 255]},
- {name: 'magenta', color: [255, 0, 255, 255]}
-];
-
-var targets = [
- 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];
-
-var rotations = [
- {axis: [0, 1, 0], angle: Math.PI / 2},
- {axis: [0, 1, 0], angle: -Math.PI / 2},
- {axis: [1, 0, 0], angle: -Math.PI / 2},
- {axis: [1, 0, 0], angle: Math.PI / 2},
- {axis: [0, 1, 0], angle: 0},
- {axis: [0, 1, 0], angle: Math.PI},
-];
-
-var halfRotations = [
- {colors: [3, 4], rotations: [{axis: [1, 0, 0], angle: Math.PI / 4}]},
- {colors: [4, 2], rotations: [{axis: [1, 0, 0], angle: -Math.PI / 4}]},
- {colors: [5, 3], rotations: [{axis: [1, 0, 0], angle: Math.PI / 4 * 3}]},
- {colors: [2, 5], rotations: [{axis: [1, 0, 0], angle: -Math.PI / 4 * 3}]},
- {colors: [3, 0], rotations: [{axis: [0, 1, 0], angle: Math.PI / 2},
- {axis: [1, 0, 0], angle: Math.PI / 4}]},
- {colors: [0, 2], rotations: [{axis: [0, 1, 0], angle: Math.PI / 2},
- {axis: [1, 0, 0], angle: -Math.PI / 4}]},
-];
-
-var count = 0;
-var sizeCount = 0;
-
-test();
-
-function test() {
- var size = Math.pow(2, sizeCount);
- if (size > maxSize || !testSize(size)) {
- finishTest();
- } else {
- ++sizeCount;
- setTimeout(test, 100);
- }
-}
-
-function testSize(size) {
- debug("");
- debug("testing size: " + size);
- var canvasSize = Math.max(size / 4, 2);
- canvas.width = canvasSize;
- canvas.height = canvasSize;
- gl.viewport(0, 0, canvasSize, canvasSize);
- var tex = gl.createTexture();
- gl.bindTexture(gl.TEXTURE_CUBE_MAP, tex);
-
- // Seems like I should be using LINEAR here with some other math
- // to make sure I get more mip coverage but that's easier said
- // than done.
-
- gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
- gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
-
- for (var jj = 0; jj < 2; ++jj) {
- for (var tt = 0; tt < targets.length; ++tt) {
- var color = colors[(tt + count) % colors.length];
- fillLevel(targets[tt], 0, size, color.color);
- }
- if (jj == 1) {
- debug("use mipmap");
- gl.texParameteri(
- gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER,
- gl.NEAREST_MIPMAP_NEAREST);
- gl.generateMipmap(gl.TEXTURE_CUBE_MAP);
- }
-
- var err = gl.getError();
- if (err == gl.OUT_OF_MEMORY) {
- return false;
- }
- if (err != gl.NO_ERROR) {
- testFailed("unexpected gl error: " + wtu.glEnumToString(gl, err));
- }
-
-
- for (var rr = 0; rr < rotations.length; ++rr) {
- var rot = rotations[rr];
- var color = colors[(rr + count) % colors.length];
- var rotMat = axisRotation(rot.axis, rot.angle);
- gl.uniformMatrix4fv(rotLoc, false, rotMat);
- wtu.drawQuad(gl);
- wtu.checkCanvas(
- gl, color.color,
- wtu.glEnumToString(gl, targets[rr]) + " should be " + color.name);
- }
-
- for (var rr = 0; rr < halfRotations.length; ++rr) {
- var h = halfRotations[rr];
- var rots = h.rotations;
- var rotMat = axisRotation(rots[0].axis, rots[0].angle);
- for (var ii = 1; ii < rots.length; ++ii) {
- var tmpMat = axisRotation(rots[ii].axis, rots[ii].angle);
- var rotMat = mulMatrix(tmpMat, rotMat);
- }
- gl.uniformMatrix4fv(rotLoc, false, rotMat);
- wtu.drawQuad(gl);
-
- for (var ii = 0; ii < 2; ++ii) {
- checkRect(
- 0,
- canvasSize / 2 * ii,
- canvasSize,
- canvasSize / 2,
- colors[(h.colors[ii] + count) % colors.length]);
- }
- }
- ++count;
- }
-
- gl.deleteTexture(tex);
- return true;
-}
-
-glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
-
-function checkRect(x, y, width, height, color) {
- wtu.checkCanvasRect(
- gl,
- x,
- y,
- width,
- height,
- color.color,
- "" + x + ", " + y + ", " + width + ", " + height +
- " should be " + color.name);
-}
-
-function fillLevel(target, level, size, color) {
- var numPixels = size * size;
- var pixels = new Uint8Array(numPixels * 4);
- for (var jj = 0; jj < numPixels; ++jj) {
- var off = jj * 4;
- pixels[off + 0] = color[0];
- pixels[off + 1] = color[1];
- pixels[off + 2] = color[2];
- pixels[off + 3] = color[3];
- }
- gl.texImage2D(
- target, level, gl.RGBA, size, size, 0, gl.RGBA, gl.UNSIGNED_BYTE,
- pixels);
-}
-
-function printMat(mat) {
- debug("" + mat[0] + ", " + mat[1] + ", " + mat[2] + ", " + mat[3] + ", ");
- debug("" + mat[4] + ", " + mat[5] + ", " + mat[6] + ", " + mat[7] + ", ");
- debug("" + mat[8] + ", " + mat[9] + ", " + mat[10] + ", " + mat[11] + ", ");
- debug("" + mat[12] + ", " + mat[13] + ", " + mat[14] + ", " + mat[15] + ", ");
-}
-
-function axisRotation(axis, angle) {
- var dst = new Float32Array(16);
- var x = axis[0];
- var y = axis[1];
- var z = axis[2];
- var n = Math.sqrt(x * x + y * y + z * z);
- x /= n;
- y /= n;
- z /= n;
- var xx = x * x;
- var yy = y * y;
- var zz = z * z;
- var c = Math.cos(angle);
- var s = Math.sin(angle);
- var oneMinusCosine = 1 - c;
-
- dst[ 0] = xx + (1 - xx) * c;
- dst[ 1] = x * y * oneMinusCosine + z * s;
- dst[ 2] = x * z * oneMinusCosine - y * s;
- dst[ 3] = 0;
- dst[ 4] = x * y * oneMinusCosine - z * s;
- dst[ 5] = yy + (1 - yy) * c;
- dst[ 6] = y * z * oneMinusCosine + x * s;
- dst[ 7] = 0;
- dst[ 8] = x * z * oneMinusCosine + y * s;
- dst[ 9] = y * z * oneMinusCosine - x * s;
- dst[10] = zz + (1 - zz) * c;
- dst[11] = 0;
- dst[12] = 0;
- dst[13] = 0;
- dst[14] = 0;
- dst[15] = 1;
-
- return dst;
-};
-
-function mulMatrix(a, b) {
- var dst = new Float32Array(16);
- var a00 = a[0];
- var a01 = a[1];
- var a02 = a[2];
- var a03 = a[3];
- var a10 = a[ 4 + 0];
- var a11 = a[ 4 + 1];
- var a12 = a[ 4 + 2];
- var a13 = a[ 4 + 3];
- var a20 = a[ 8 + 0];
- var a21 = a[ 8 + 1];
- var a22 = a[ 8 + 2];
- var a23 = a[ 8 + 3];
- var a30 = a[12 + 0];
- var a31 = a[12 + 1];
- var a32 = a[12 + 2];
- var a33 = a[12 + 3];
- var b00 = b[0];
- var b01 = b[1];
- var b02 = b[2];
- var b03 = b[3];
- var b10 = b[ 4 + 0];
- var b11 = b[ 4 + 1];
- var b12 = b[ 4 + 2];
- var b13 = b[ 4 + 3];
- var b20 = b[ 8 + 0];
- var b21 = b[ 8 + 1];
- var b22 = b[ 8 + 2];
- var b23 = b[ 8 + 3];
- var b30 = b[12 + 0];
- var b31 = b[12 + 1];
- var b32 = b[12 + 2];
- var b33 = b[12 + 3];
- dst[ 0] = a00 * b00 + a01 * b10 + a02 * b20 + a03 * b30;
- dst[ 1] = a00 * b01 + a01 * b11 + a02 * b21 + a03 * b31;
- dst[ 2] = a00 * b02 + a01 * b12 + a02 * b22 + a03 * b32;
- dst[ 3] = a00 * b03 + a01 * b13 + a02 * b23 + a03 * b33;
- dst[ 4] = a10 * b00 + a11 * b10 + a12 * b20 + a13 * b30;
- dst[ 5] = a10 * b01 + a11 * b11 + a12 * b21 + a13 * b31;
- dst[ 6] = a10 * b02 + a11 * b12 + a12 * b22 + a13 * b32;
- dst[ 7] = a10 * b03 + a11 * b13 + a12 * b23 + a13 * b33;
- dst[ 8] = a20 * b00 + a21 * b10 + a22 * b20 + a23 * b30;
- dst[ 9] = a20 * b01 + a21 * b11 + a22 * b21 + a23 * b31;
- dst[10] = a20 * b02 + a21 * b12 + a22 * b22 + a23 * b32;
- dst[11] = a20 * b03 + a21 * b13 + a22 * b23 + a23 * b33;
- dst[12] = a30 * b00 + a31 * b10 + a32 * b20 + a33 * b30;
- dst[13] = a30 * b01 + a31 * b11 + a32 * b21 + a33 * b31;
- dst[14] = a30 * b02 + a31 * b12 + a32 * b22 + a33 * b32;
- dst[15] = a30 * b03 + a31 * b13 + a32 * b23 + a33 * b33;
- return dst;
-};
-
-successfullyParsed = true;
-</script>
-</body>
-</html>
-
-
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