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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.
-->
<!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>
|
