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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/js/tests/offscreencanvas-transfer-image-bitmap.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/js/tests/offscreencanvas-transfer-image-bitmap.js')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/js/tests/offscreencanvas-transfer-image-bitmap.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/offscreencanvas-transfer-image-bitmap.js b/dom/canvas/test/webgl-conf/checkout/js/tests/offscreencanvas-transfer-image-bitmap.js new file mode 100644 index 0000000000..b25a7dd026 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/js/tests/offscreencanvas-transfer-image-bitmap.js @@ -0,0 +1,57 @@ +function testTransferToImageBitmap(webglContextVersion, bitmap) { + var internalFormat = "RGBA"; + var pixelFormat = "RGBA"; + var pixelType = "UNSIGNED_BYTE"; + + var width = 32; + var height = 32; + var canvas = document.createElement("canvas"); + canvas.width = width; + canvas.height = height; + var gl = WebGLTestUtils.create3DContext(canvas); + gl.clearColor(0,0,0,1); + gl.clearDepth(1); + gl.disable(gl.BLEND); + + TexImageUtils.setupTexturedQuad(gl, internalFormat); + + 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(gl.TEXTURE_2D, texture); + // Set up texture parameters + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, 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, webglContextVersion); + } +} + +function _checkCanvas(buf, width, height, webglContextVersion) +{ + 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("OffscreenCanvas." + webglContextVersion + + ": This pixel should be [255, 255, 0, 255], but it is: [" + buf[i * 4] + ", " + + buf[i * 4 + 1] + ", " + buf[i * 4 + 2] + ", " + buf[i * 4 + 3] + "]."); + return; + } + } + testPassed("TransferToImageBitmap test on OffscreenCanvas." + webglContextVersion + " passed"); +} |