copy-tex-image-crash.html

Enable keyboard shortcuts

<!--

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.

-->

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>copyTexImage2D should not crash</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>

<canvas id="canvas"></canvas>

<div id="console"></div>

<script>

"use strict";

description("Draw into source of copyTexSubImage2D shouldn't crash: regression test for https://crbug.com/707445");

var wtu = WebGLTestUtils;

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

canvas.width = 16;

canvas.height = 16;

var gl = wtu.create3DContext(canvas);

function runTest() {

    // Setup/clear source texture

    let tex1 = gl.createTexture();

    gl.bindTexture(gl.TEXTURE_2D, tex1);

    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

    let fb1 = gl.createFramebuffer();

    gl.bindFramebuffer(gl.FRAMEBUFFER, fb1);

    gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex1, 0);

    gl.clear(gl.COLOR_BUFFER_BIT);

    // Setup/clear destination texture

    let tex2 = gl.createTexture();

    gl.bindTexture(gl.TEXTURE_2D, tex2);

    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 16, 16, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

    let fb2 = gl.createFramebuffer();

    gl.bindFramebuffer(gl.FRAMEBUFFER, fb2);

    gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex2, 0);

    gl.clear(gl.COLOR_BUFFER_BIT);

    // Copy from source to destination texture

    gl.bindFramebuffer(gl.FRAMEBUFFER, fb1);

    gl.bindTexture(gl.TEXTURE_2D, tex2);

    gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0, 0, 16, 16, 0);

    // Draw into source texture

    gl.bindFramebuffer(gl.FRAMEBUFFER, fb2);

    let program = wtu.setupColorQuad(gl); // Used as a trivial shader; any shader will work.

    gl.useProgram(program);

    gl.drawArrays(gl.TRIANGLES, 0, 3);

runTest();

var successfullyParsed = true;

</script>

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

</body>

</html>