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| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-3d-size-limit.html | 189 |
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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-3d-size-limit.html b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-3d-size-limit.html new file mode 100644 index 0000000000..6c2fbc4fa9 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-3d-size-limit.html @@ -0,0 +1,189 @@ +<!-- +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>WebGL FramebufferTextureLayer Test</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> +<canvas id="canvas" width="2" height="2"> </canvas> + +<script> +"use strict"; +var wtu = WebGLTestUtils; +var gl; +var canvas = document.getElementById("canvas"); + +function numLevelsFromSize(size) { + var levels = 0; + while ((size >> levels) > 0) { + ++levels; + } + return levels; +} + +function enumToString(value) { + return wtu.glEnumToString(gl, value); +} + +function test3DTextureDimensions() { + debug(""); + debug("Checking 3D texture dimensions."); + + var tex3d = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_3D, tex3d); + var maxTexSize = gl.getParameter(gl.MAX_3D_TEXTURE_SIZE); + var maxLevels = numLevelsFromSize(maxTexSize); + + gl.texImage3D(gl.TEXTURE_3D, + 0, // level + gl.RGBA, // internalFormat + 1, // width + 1, // height + -1, // depth + 0, // border + gl.RGBA, // format + gl.UNSIGNED_BYTE, // type + null); // data + wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, + "texImage3D should fail for dimension out of range."); + gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGBA, maxTexSize + 1, 2, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, + "texImage3D should fail for dimension out of range."); + + for (var i = 0; i < maxLevels; ++i) { + var level = maxLevels - i - 1; + var badSize = 1 << (i + 1); + + gl.texImage3D(gl.TEXTURE_3D, level, gl.RGBA, badSize, 2, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "texImage3D should fail for dimension out of range."); + gl.texImage3D(gl.TEXTURE_3D, level, gl.RGBA, 2, badSize, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "texImage3D should fail for dimension out of range."); + gl.texImage3D(gl.TEXTURE_3D, level, gl.RGBA, 2, 2, badSize, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "texImage3D should fail for dimension out of range."); + } + + // Probe to discover the max non-OOM level. + var numTestLevels = maxLevels; + while (true) { + gl.texImage3D(gl.TEXTURE_3D, numTestLevels-1, gl.RGBA, 1, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + var err = gl.getError(); + if (err == gl.OUT_OF_MEMORY) { + debug("Probe failed for level=" + (numTestLevels-1) + ", reducing..."); + numTestLevels -= 1; + if (!numTestLevels) { + testFailed("Failed to allocate any levels"); + return; + } + continue; + } + if (err) { + testFailed("Should not hit non-OOM errors during max level probing."); + return; + } + break; + } + + for (var i = 0; i < numTestLevels; ++i) { + var level = numTestLevels - i - 1; + var size = 1 << i; + + gl.texImage3D(gl.TEXTURE_3D, level, gl.RGBA, size, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage3D should succeed for level: " + level + " " + size + "x1x1."); + gl.texImage3D(gl.TEXTURE_3D, level, gl.RGBA, 1, size, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage3D should succeed for level: " + level + " 1x" + size + "x1."); + gl.texImage3D(gl.TEXTURE_3D, level, gl.RGBA, 1, 1, size, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage3D should succeed for level: " + level + " 1x1x" + size + "."); + } + + // Clean up + gl.deleteTexture(tex3d); +} + +function test3DTexturePixelSize() { + debug(""); + debug("Checking pixel data array is big enough for request."); + + var tex3d = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_3D, tex3d); + var tests = [ + { + internalformat: gl.RGBA, + format: gl.RGBA, + type: gl.UNSIGNED_BYTE, + size: 4, + dataType: Uint8Array + }, + { + internalformat: gl.R8, + format: gl.RED, + type: gl.UNSIGNED_BYTE, + size: 1, + dataType: Uint8Array + }, + { + internalformat: gl.RGB565, + format: gl.RGB, + type: gl.UNSIGNED_SHORT_5_6_5, + size: 1, + dataType: Uint16Array + }, + { + internalformat: gl.RGBA32I, + format: gl.RGBA_INTEGER, + type: gl.INT, + size: 4, + dataType: Int32Array + }, + { + internalformat: gl.RGBA32F, + format: gl.RGBA, + type: gl.FLOAT, + size: 4, + dataType: Float32Array + }, + ]; + + tests.forEach(function(test) { + debug(""); + debug("Testing internalformat " + enumToString(test.internalformat) + + ", format " + enumToString(test.format) + + ", type " + enumToString(test.type)); + + var pixels = new test.dataType(256 * 256 * 4 * test.size); + gl.texImage3D(gl.TEXTURE_3D, 0, test.internalformat, 256, 256, 256, 0, test.format, test.type, pixels); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "ArrayBufferView not big enough for request by texImage3D."); + gl.texImage3D(gl.TEXTURE_3D, 0, test.internalformat, 256, 256, 4, 0, test.format, test.type, pixels); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "ArrayBufferView big enough for request by texImage3D."); + pixels = new test.dataType(256 * 256 * 1 * test.size); + gl.texSubImage3D(gl.TEXTURE_3D, 0, 0, 0, 0, 256, 256, 2, test.format, test.type, pixels); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "ArrayBufferView not big enough for request by texSubImage3D."); + }); + + gl.deleteTexture(tex3d); +} + +description("This tests size limits of 3D textures."); + +shouldBeNonNull("gl = wtu.create3DContext(undefined, undefined, 2)"); + +test3DTextureDimensions(); +test3DTexturePixelSize(); + +debug(""); +var successfullyParsed = true; +</script> +<script src="../../../js/js-test-post.js"></script> + +</body> +</html> |