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| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-unpack-params-imagedata.html | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-unpack-params-imagedata.html b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-unpack-params-imagedata.html new file mode 100644 index 0000000000..d6c0765bbe --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-unpack-params-imagedata.html @@ -0,0 +1,126 @@ +<!-- +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>WebGL2 TexImage3D from ImageData with unpack params tests.</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> +<div id="console"></div> +<script> +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext(undefined, undefined, 2); +let actual; + +description("TexImage3D from ImageData with unpack params"); + +debug("TexImage3D from ImageData with UNPACK_IMAGE_HEIGHT set (crbug.com/804123)"); + +// framebuffer for readback +const fbo = gl.createFramebuffer(); +gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); + +function makeTestData(size, start) { + const data = new Uint8ClampedArray(size); + for (let i = 0; i < size; ++i) { + data[i] = (start + i) % 256; + } + return data; +} + +// source data +// +// dstWidth = 4 +// <--> +// xxxx ^ ^ ^ ^ +// xxxx | | | +// xxxx | | | +// xxxx | | v dstHeight = 4 +// ---- | | +// ---- | | +// ---- | v unpackImageHeight = 7 +// xxxx | | +// xxxx | +// xxxx | +// xxxx | +// ---- | +// ---- | +// ---- | +// xxxx | | +// xxxx | +// xxxx | +// xxxx | +// ---- | +// ---- | +// ---- | +// xxxx | v dstDepth = 4 +// xxxx | +// xxxx | +// xxxx v srcHeight = 25 +// <--> +// srcWidth = 4 +const unpackImageHeight = 7; +const dstWidth = 4; +const dstHeight = 4; +const dstDepth = 4; +const srcWidth = dstWidth; +const srcHeight = (dstDepth - 1) * unpackImageHeight + dstHeight; +const srcSize = srcWidth * srcHeight; +const sizeofR8 = 1; +const sizeofRGBA8 = 4; +const imageData = new ImageData(makeTestData(srcSize * sizeofRGBA8, 1), srcWidth, srcHeight); +const texture = gl.createTexture(); +gl.bindTexture(gl.TEXTURE_3D, texture); + +debug(""); +// upload +gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, 2); +gl.texImage3D(gl.TEXTURE_3D, 0, gl.R8, 1, 1, 1, 0, gl.RED, gl.UNSIGNED_BYTE, imageData); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "small upload"); +// check +actual = new Uint8Array(sizeofRGBA8); +gl.framebufferTextureLayer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, texture, 0, 0); +if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE) { + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, actual); + shouldBeTrue(`areArraysEqual(actual, [1, 0, 0, 255])`); + wtu.glErrorShouldBe(gl, gl.NO_ERROR); +} else { + debug("framebuffer incomplete: skipped"); +} + +debug(""); +// upload +gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, unpackImageHeight); +gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGBA8, dstWidth, dstHeight, dstDepth, 0, + gl.RGBA, gl.UNSIGNED_BYTE, imageData); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "larger upload"); +// check +actual = new Uint8Array(dstWidth * dstHeight * sizeofRGBA8); +let expected; +for (let z = 0; z < dstDepth; ++z) { + gl.framebufferTextureLayer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, texture, 0, z); + shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE'); + gl.readPixels(0, 0, dstWidth, dstHeight, gl.RGBA, gl.UNSIGNED_BYTE, actual); + debug(`for z = ${z}:`); + expected = makeTestData(dstWidth * dstHeight * sizeofRGBA8, + 1 + z * dstWidth * unpackImageHeight * sizeofRGBA8); + shouldBeTrue('areArraysEqual(actual, expected)'); +} +wtu.glErrorShouldBe(gl, gl.NO_ERROR); + +gl.deleteTexture(texture); + +var successfullyParsed = true; +</script> +<script src="../../../js/js-test-post.js"></script> +</body> +</html> |