50 lines
1.2 KiB
HTML
50 lines
1.2 KiB
HTML
<html>
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<script src="../../../resources/js-test.js"></script>
|
|
<script src="resources/webgl-test.js"></script>
|
|
<script src="resources/webgl-test-utils.js"></script>
|
|
</head>
|
|
<body>
|
|
<canvas id="example" width="4px" height="4px"></canvas>
|
|
<div id="description"></div>
|
|
<div id="console"></div>
|
|
<script>
|
|
description('Verifies that GL texture bindings do not change when canvas is resized');
|
|
|
|
var err;
|
|
var wtu = WebGLTestUtils;
|
|
var canvas = document.getElementById("example");
|
|
var gl = wtu.create3DContext(canvas);
|
|
var program = wtu.setupTexturedQuad(gl);
|
|
|
|
var green = [0, 255, 0, 255];
|
|
var blue = [0, 0, 255, 255];
|
|
var tex0 = gl.createTexture();
|
|
wtu.fillTexture(gl, tex0, 1, 1, blue, 0);
|
|
gl.activeTexture(gl.TEXTURE1)
|
|
var tex1 = gl.createTexture();
|
|
wtu.fillTexture(gl, tex1, 1, 1, green, 0);
|
|
|
|
var loc = gl.getUniformLocation(program, "tex");
|
|
|
|
function test() {
|
|
gl.viewport(0, 0, canvas.width, canvas.height);
|
|
gl.uniform1i(loc, 0);
|
|
wtu.drawQuad(gl);
|
|
wtu.checkCanvas(gl, blue, "should be blue");
|
|
gl.uniform1i(loc, 1);
|
|
wtu.drawQuad(gl);
|
|
wtu.checkCanvas(gl, green, "should be green");
|
|
}
|
|
|
|
debug("test before resizing canvas");
|
|
test();
|
|
debug("test after resizing canvas");
|
|
canvas.width = 8;
|
|
test();
|
|
</script>
|
|
</body>
|
|
</html>
|
|
|