texture-draw-with-2d-and-cube.html

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Copyright (c) 2019 The Khronos Group Inc.

Use of this source code is governed by an MIT-style license that can be

found in the LICENSE.txt file.

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<!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="../../../js/js-test-pre.js"></script>

<script src="../../../js/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">

attribute vec3 vPosition;

attribute vec2 texCoord0;

varying vec2 texCoord;

void main()

  gl_Position = vec4(vPosition, 1);

  texCoord = texCoord0;

</script>

<script id="fshader" type="x-shader/x-fragment">

precision mediump float;

varying vec2 texCoord;

uniform sampler2D tex2D;

uniform samplerCube texCube;

void main()

  gl_FragColor = texture2D(tex2D, texCoord);

  gl_FragColor += textureCube(texCube, vec3(texCoord, 0));

</script>

<script>

"use strict";

var gl;

function init()

  description(

      "Tests drawing with two textures of different type. " +

      "This test covers an ANGLE validation bug. See http://crbug.com/390412.");

  var canvas2d = document.getElementById("canvas2d");

  var ctx2d = canvas2d.getContext("2d");

  var wtu = WebGLTestUtils;

  gl = wtu.create3DContext("example");

  var program = wtu.setupProgram(

gl,

      ["vshader", "fshader"],

      ['vPosition', 'texCoord0']);

  wtu.setupUnitQuad(gl);

  gl.disable(gl.DEPTH_TEST);

  gl.disable(gl.BLEND);

  wtu.glErrorShouldBe(gl, gl.NO_ERROR);

  var texture2D = gl.createTexture();

  gl.activeTexture(gl.TEXTURE0);

  gl.bindTexture(gl.TEXTURE_2D, texture2D);

  gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

  wtu.glErrorShouldBe(gl, gl.NO_ERROR);

  var textureCube = gl.createTexture();

  gl.activeTexture(gl.TEXTURE1);

  gl.bindTexture(gl.TEXTURE_CUBE_MAP, textureCube);

  gl.texImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_X, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

  gl.texImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_X, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

  gl.texImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_Y, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

  gl.texImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

  gl.texImage2D(gl.TEXTURE_CUBE_MAP_POSITIVE_Z, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

  gl.texImage2D(gl.TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

  wtu.glErrorShouldBe(gl, gl.NO_ERROR);

  var texture2DLoc = gl.getUniformLocation(program, "tex2D");

  var textureCubeLoc = gl.getUniformLocation(program, "texCube");

  wtu.glErrorShouldBe(gl, gl.NO_ERROR);

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

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

  gl.uniform1i(texture2DLoc, 0);

  gl.uniform1i(textureCubeLoc, 1);

  gl.drawArrays(gl.TRIANGLES, 0, 6);

  wtu.glErrorShouldBe(gl, gl.NO_ERROR);

init();

var successfullyParsed = true;

</script>

<script src="../../../js/js-test-post.js"></script>

</body>

</html>