| Index: third_party/WebKit/LayoutTests/fast/canvas/webgl/OffscreenCanvas-TransferToFromImageBitmap-TexImage2D.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/webgl/OffscreenCanvas-TransferToFromImageBitmap-TexImage2D.html b/third_party/WebKit/LayoutTests/fast/canvas/webgl/OffscreenCanvas-TransferToFromImageBitmap-TexImage2D.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..5d0876b67707bb353dd3ef11dc15fe0e67753f02
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/webgl/OffscreenCanvas-TransferToFromImageBitmap-TexImage2D.html
|
| @@ -0,0 +1,100 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<script src="./resources/webgl-test-utils-full.js"></script>
|
| +<script src="./resources/tex-image-and-sub-image-utils.js"></script>
|
| +<script src="../../../resources/js-test.js"></script>
|
| +</head>
|
| +
|
| +<script id='myWorker' type='text/worker'>
|
| +self.onmessage = function(e) {
|
| + var canvas = new OffscreenCanvas(128, 128);
|
| + var gl = canvas.getContext('webgl');
|
| + gl.clearColor(1.0, 1.0, 0.0, 1.0);
|
| + gl.clear(gl.COLOR_BUFFER_BIT);
|
| +
|
| + var image = canvas.transferToImageBitmap();
|
| + self.postMessage({bitmap: image}, [image]);
|
| +};
|
| +</script>
|
| +
|
| +<script>
|
| +window.jsTestIsAsync = true;
|
| +
|
| +var wtu = WebGLTestUtils;
|
| +var tiu = TexImageUtils;
|
| +var internalFormat = "RGBA";
|
| +var pixelFormat = "RGBA";
|
| +var pixelType = "UNSIGNED_BYTE";
|
| +var blob = new Blob([document.getElementById('myWorker').textContent]);
|
| +var worker = new Worker(URL.createObjectURL(blob));
|
| +var bitmap;
|
| +
|
| +var canvas = document.createElement("canvas");
|
| +canvas.width = 128;
|
| +canvas.height = 128;
|
| +var ctx = canvas.getContext('bitmaprenderer');
|
| +
|
| +var width = 32;
|
| +var height = 32;
|
| +var canvas2d = document.createElement("canvas");
|
| +canvas2d.width = width;
|
| +canvas2d.height = height;
|
| +var gl = canvas2d.getContext('webgl');
|
| +gl.clearColor(0,0,0,1);
|
| +gl.clearDepth(1);
|
| +gl.disable(gl.BLEND);
|
| +
|
| +function checkCanvas(buf, width, height)
|
| +{
|
| + for (var i = 0; i < width * height; i++) {
|
| + if (buf[i * 4] != 255 || buf[i * 4 + 1] != 255 ||
|
| + buf[i * 4 + 2] != 0 || buf[i * 4 + 3] != 255) {
|
| + testFailed("This pixel should be red, but it is: [" + buf[i * 4] + ", " +
|
| + buf[i * 4 + 1] + ", " + buf[i * 4 + 2] + ", " + buf[i * 4 + 3] + "].");
|
| + finishJSTest();
|
| + }
|
| + }
|
| +}
|
| +
|
| +function runTestOnBindingTarget(bindingTarget, program, bitmap)
|
| +{
|
| + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
| + // Enable writes to the RGBA channels
|
| + gl.colorMask(1, 1, 1, 0);
|
| + var texture = gl.createTexture();
|
| + // Bind the texture to texture unit 0
|
| + gl.bindTexture(bindingTarget, texture);
|
| + // Set up texture parameters
|
| + gl.texParameteri(bindingTarget, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
|
| + gl.texParameteri(bindingTarget, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
|
| +
|
| + var targets = [gl.TEXTURE_2D];
|
| + // Upload the image into the texture
|
| + for (var tt = 0; tt < targets.length; ++tt) {
|
| + gl.texImage2D(targets[tt], 0, gl[internalFormat], gl[pixelFormat], gl[pixelType], bitmap);
|
| + }
|
| + for (var tt = 0; tt < targets.length; ++tt) {
|
| + // Draw the triangles
|
| + gl.clearColor(0, 0, 0, 1);
|
| + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
| + gl.drawArrays(gl.TRIANGLES, 0, 6);
|
| +
|
| + var buf = new Uint8Array(width * height * 4);
|
| + gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, buf);
|
| + checkCanvas(buf, width, height);
|
| + }
|
| +}
|
| +
|
| +worker.onmessage = function(msg) {
|
| + bitmap = msg.data.bitmap;
|
| + ctx.transferFromImageBitmap(bitmap);
|
| + var program = tiu.setupTexturedQuad(gl, internalFormat);
|
| + runTestOnBindingTarget(gl.TEXTURE_2D, program, bitmap);
|
| + testPassed("This test passed");
|
| + finishJSTest();
|
| +}
|
| +worker.postMessage("");
|
| +
|
| +</script>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1962413002:
Implement transferToImageBitmap() in WebGLRenderingContext (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master