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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL copy into cube map texture 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>
<div id="description"></div>
<div id="console"></div>
<canvas id="canvas" width="2" height="2"> </canvas>
<script>
"use strict";
var wtu = WebGLTestUtils;
var gl;

function runTest() {
  var width = 16;
  var height = 16;
  var level = 0;
  var cases = [
    {
      internalformat: "RGBA8",
      format: "RGBA",
      type: "UNSIGNED_BYTE",
      data: new Uint8Array(width * height * 4)
    },
    {
      internalformat: "RGBA8I",
      format: "RGBA_INTEGER",
      type: "BYTE",
      data: new Int8Array(width * height * 4)
    },
    {
      internalformat: "RGBA8UI",
      format: "RGBA_INTEGER",
      type: "UNSIGNED_BYTE",
      data: new Uint8Array(width * height * 4)
    }
  ];
  if (gl.getExtension("EXT_color_buffer_float")) {
      cases.push({
          internalformat: "RGBA32F",
          format: "RGBA",
          type: "FLOAT",
          data: new Float32Array(width * height * 4)
      });
  }
  cases.forEach(function(testcase) {
    debug("");
    debug("Testing internalformat: " + testcase.internalformat);

    var internalformat = gl[testcase.internalformat];
    var format = gl[testcase.format];
    var type = gl[testcase.type];
    var texture = gl.createTexture();
    gl.bindTexture(gl.TEXTURE_2D, texture);
    var data = testcase.data;
    gl.texImage2D(gl.TEXTURE_2D, level, internalformat, width, height, 0, format, type, data);
    var fbo = gl.createFramebuffer();
    gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
    gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, level);
    shouldBe("gl.checkFramebufferStatus(gl.FRAMEBUFFER)", "gl.FRAMEBUFFER_COMPLETE");
    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Setup framebuffer with texture should succeed.");

    var cubeTexture = gl.createTexture();
    gl.bindTexture(gl.TEXTURE_CUBE_MAP, cubeTexture);

    for (var face = gl.TEXTURE_CUBE_MAP_POSITIVE_X; face < gl.TEXTURE_CUBE_MAP_POSITIVE_X + 6; face++) {
      gl.copyTexImage2D(face, level, internalformat, 0, 0, width, height, 0);
      wtu.glErrorShouldBe(gl, gl.NO_ERROR, "CopyTexImage2D should succeed.");
      gl.copyTexSubImage2D(face, level, 0, 0, 0, 0, width, height);
      wtu.glErrorShouldBe(gl, gl.NO_ERROR, "CopyTexSubImage2D should succeed.");
    }

    gl.deleteTexture(cubeTexture);
    gl.deleteTexture(texture);
    gl.deleteFramebuffer(fbo);
  });
}

description();
debug("This is a regression test for <a href='https://bugs.chromium.org/p/chromium/issues/detail?id=712117'>Chromium Issue 712117</a>");

var canvas = document.getElementById("canvas");
shouldBeNonNull("gl = wtu.create3DContext(canvas, undefined, 2)");

runTest();

var successfullyParsed = true;

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

</body>
</html>
