68 lines
2.3 KiB
HTML
68 lines
2.3 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<script src="../../../resources/js-test-pre.js"></script>
|
|
</head>
|
|
<body>
|
|
<canvas id="canvas" width="40" height="40"></canvas>
|
|
<script>
|
|
description("Make sure that getBufferSubData() doesn't work on WebGL 1 contexts");
|
|
|
|
if (window.internals)
|
|
internals.settings.setWebGL2Enabled(true);
|
|
|
|
var arrayBuffer = new ArrayBuffer(40);
|
|
var fullArrayView = new Float32Array(arrayBuffer); // [15, 16, 17, 18, 19, 20, 21, 22, 23, 24], 40 bytes
|
|
var receiver = new Float32Array(20); // 20 floats, 80 bytes
|
|
for (var i = 0; i < 10; ++i)
|
|
fullArrayView[i] = 15 + i;
|
|
|
|
var canvas = document.getElementById("canvas");
|
|
var context = canvas.getContext("webgl2");
|
|
trySuccessUploadDownload();
|
|
|
|
canvas = document.createElement("canvas");
|
|
canvas.width = 40;
|
|
canvas.height = 40;
|
|
context = canvas.getContext("webgl");
|
|
tryFailUploadDownload();
|
|
|
|
if (window.internals)
|
|
internals.settings.setWebGL2Enabled(false);
|
|
|
|
canvas = document.createElement("canvas");
|
|
canvas.width = 40;
|
|
canvas.height = 40;
|
|
context = canvas.getContext("webgl2");
|
|
shouldBeNull("context");
|
|
|
|
function trySuccessUploadDownload() {
|
|
var buffer = context.createBuffer();
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
context.bindBuffer(context.ARRAY_BUFFER, buffer);
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
context.bufferData(context.ARRAY_BUFFER, arrayBuffer, context.STATIC_DRAW);
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
context.getBufferSubData(context.ARRAY_BUFFER, 0, receiver, 0, 10);
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
for (var i = 0; i < 10; ++i)
|
|
shouldBe("receiver[" + i + "]", "fullArrayView[" + i + "]");
|
|
context.deleteBuffer(buffer);
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
}
|
|
|
|
function tryFailUploadDownload() {
|
|
var buffer = context.createBuffer();
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
context.bindBuffer(context.ARRAY_BUFFER, buffer);
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
context.bufferData(context.ARRAY_BUFFER, arrayBuffer, context.STATIC_DRAW);
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
shouldThrow("context.getBufferSubData(context.ARRAY_BUFFER, 0, receiver, 0, 10)");
|
|
context.deleteBuffer(buffer);
|
|
shouldBe("context.getError()", "context.NO_ERROR");
|
|
}
|
|
</script>
|
|
<script src="../../../resources/js-test-post.js"></script>
|
|
</body>
|
|
</html> |