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<!--
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.
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL2 texture unpack parameters conformance 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>
<canvas id="example" width="4" height="4"></canvas>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
var wtu = WebGLTestUtils;
var __verbose__ = false;
// Some drivers (for example, NVIDIA Linux) incorrectly require padding for
// the last row. The below flag is only for testing convenience. Browsers should
// work around the bug.
var __apply_alignment_workaround__ = false;
function setupArrayBuffer(size, initData) {
var array = new Uint8Array(size);
if (initData) {
for (var ii = 0; ii < size; ++ii) {
array[ii] = ii % 255;
}
}
return array;
}
function calculatePaddingBytes(bytesPerPixel, alignment, width) {
var padding = 0;
switch (alignment) {
case 1:
case 2:
case 4:
case 8:
padding = (bytesPerPixel * width) % alignment;
if (padding > 0)
padding = alignment - padding;
return padding;
default:
testFailed("should not reach here");
return;
}
}
function computeImageSizes2D(width, height, testCase) {
// Assume RGB8/UNSIGNED_BYTE
var bytesPerPixel = 3;
var actualWidth = testCase.rowLength == 0 ? width : testCase.rowLength;
var padding = calculatePaddingBytes(bytesPerPixel, testCase.alignment, actualWidth);
var bytesPerRow = actualWidth * bytesPerPixel + padding;
var bytesLastRow = bytesPerPixel * width;
var size = bytesPerRow * (height - 1) + bytesLastRow;
var skipSize = 0;
if (testCase.skipPixels > 0)
skipSize += bytesPerPixel * testCase.skipPixels;
if (testCase.skipRows > 0)
skipSize += bytesPerRow * testCase.skipRows;
return {size: size,
bytesPerRow: bytesPerRow,
bytesLastRow: bytesLastRow,
padding: padding,
skipSize: skipSize,
totalSize: size + skipSize};
}
function computeImageSizes3D(width, height, depth, testCase) {
// Assume RGB8/UNSIGNED_BYTE
var bytesPerPixel = 3;
var actualWidth = testCase.rowLength == 0 ? width : testCase.rowLength;
var actualHeight = testCase.imageHeight == 0 ? height : testCase.imageHeight;
var padding = calculatePaddingBytes(bytesPerPixel, testCase.alignment, actualWidth);
var bytesPerRow = actualWidth * bytesPerPixel + padding;
var bytesLastRow = bytesPerPixel * width;
var bytesPerImage = bytesPerRow * actualHeight;
var bytesLastImage = bytesPerRow * (height - 1) + bytesLastRow;
var size = bytesPerImage * (depth - 1) + bytesLastImage;
var skipSize = 0;
if (testCase.skipPixels > 0)
skipSize += bytesPerPixel * testCase.skipPixels;
if (testCase.skipRows > 0)
skipSize += bytesPerRow * testCase.skipRows;
if (testCase.skipImages > 0)
skipSize += bytesPerImage * testCase.skipImages;
return {size: size,
bytesPerRow: bytesPerRow,
bytesLastRow: bytesLastRow,
bytesPerImage: bytesPerImage,
bytesLastImage: bytesLastImage,
padding: padding,
skipSize: skipSize,
totalSize: size + skipSize};
}
function copyData(srcData, srcIndex, dstData, dstIndex, size) {
for (var ii = 0; ii < size; ++ii)
dstData[dstIndex + ii] = srcData[srcIndex + ii];
}
function unpackPixels(srcData, width, height, depth, imageSizes) {
var bytesPerPixel = 3;
var unpackedSize = width * height * depth * bytesPerPixel;
var dstData = setupArrayBuffer(unpackedSize, false);
var srcIndex = imageSizes.skipSize;
var dstIndex = 0;
for (var z = 0; z < depth; ++z) {
var srcIndexPerImage = srcIndex;
for (var y = 0; y < height; ++y) {
copyData(srcData, srcIndexPerImage, dstData, dstIndex, width * 3);
srcIndexPerImage += imageSizes.bytesPerRow;
dstIndex += width * 3;
}
if (depth > 1)
srcIndex += imageSizes.bytesPerImage;
}
return dstData;
}
function getPixelsFromTexture2D(gl, tex, xoffset, yoffset, width, height) {
var fbo = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
var bytesPerReadbackPixel = 4;
var readbackBuffer = setupArrayBuffer(width * height * bytesPerReadbackPixel, false);
gl.readPixels(xoffset, yoffset, width, height, gl.RGBA, gl.UNSIGNED_BYTE, readbackBuffer);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "read back texture pixels should succeed");
var bytesPerPixel = 3;
var buffer = setupArrayBuffer(width * height * bytesPerPixel, false);
var srcIndex = 0;
var dstIndex = 0;
for (var y = 0; y < height; ++y) {
for (var x = 0; x < width; ++x) {
buffer[dstIndex++] = readbackBuffer[srcIndex++]; // R
buffer[dstIndex++] = readbackBuffer[srcIndex++]; // G
buffer[dstIndex++] = readbackBuffer[srcIndex++]; // B
srcIndex++; // A
}
}
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
gl.deleteFramebuffer(fbo);
return buffer;
}
function getPixelsFromTexture3D(gl, tex, xoffset, yoffset, zoffset, width, height, depth) {
var fbo = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);
var bytesPerReadbackPixel = 4;
var readbackBuffer = setupArrayBuffer(width * height * bytesPerReadbackPixel, false);
var bytesPerPixel = 3;
var buffer = setupArrayBuffer(width * height * depth * bytesPerPixel, false);
var dstIndex = 0;
for (var zz = 0; zz < depth; ++zz) {
gl.framebufferTextureLayer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, tex, 0, zz + zoffset);
gl.readPixels(xoffset, yoffset, width, height, gl.RGBA, gl.UNSIGNED_BYTE, readbackBuffer);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "read back texture pixels should succeed");
var srcIndex = 0;
for (var y = 0; y < height; ++y) {
for (var x = 0; x < width; ++x) {
buffer[dstIndex++] = readbackBuffer[srcIndex++]; // R
buffer[dstIndex++] = readbackBuffer[srcIndex++]; // G
buffer[dstIndex++] = readbackBuffer[srcIndex++]; // B
srcIndex++; // A
}
}
}
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
gl.deleteFramebuffer(fbo);
return buffer;
}
function comparePixels(buffer1, buffer2) {
if (buffer1.length != buffer2.length || buffer1.length % 3 != 0) {
testFailed("compare pixels: invalid buffer size");
return;
}
var count = 0;
for (var ii = 0; ii < buffer1.length / 3; ++ii) {
if (buffer1[ii * 3] != buffer2[ii * 3] ||
buffer1[ii * 3 + 1] != buffer2[ii * 3 + 1] ||
buffer1[ii * 3 + 2] != buffer2[ii * 3 + 2]) {
if (__verbose__) {
debug("Pixel " + ii + ": expected (" +
[buffer1[ii * 3], buffer1[ii * 3 + 1], buffer1[ii * 3 + 2]] + "), got (" +
[buffer2[ii * 3], buffer2[ii * 3 + 1], buffer2[ii * 3 + 2]] + ")");
}
count++;
}
}
if (count > 0) {
testFailed("compare pixels: " + count + " pixels differ");
} else {
testPassed("compare pixels: as expected");
}
}
function runTestIteration2D(gl, testCase, useUnpackBuffer) {
debug("");
debug("Texture upload from " + (useUnpackBuffer ? "unpack buffer" : "client data") +
" : alignment = " + testCase.alignment + ", rowLength = " + testCase.rowLength +
", skipPixels = " + testCase.skipPixels + ", skipRows = " + testCase.skipRows);
debug("TexImage2D : size = (" + testCase.width + ", " + testCase.height + ")");
gl.pixelStorei(gl.UNPACK_ALIGNMENT, testCase.alignment);
gl.pixelStorei(gl.UNPACK_ROW_LENGTH, testCase.rowLength);
gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, testCase.skipPixels);
gl.pixelStorei(gl.UNPACK_SKIP_ROWS, testCase.skipRows);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Set up pixel store parameters should succeed");
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
var imageSizes = computeImageSizes2D(testCase.width, testCase.height, testCase);
var bufferSize = imageSizes.totalSize;
var buffer = null;
var array;
// Verify buffer with less than enough size will fail.
if (useUnpackBuffer) {
buffer = gl.createBuffer();
gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, buffer);
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, bufferSize - 1, gl.DYNAMIC_DRAW);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB8, testCase.width, testCase.height, 0,
gl.RGB, gl.UNSIGNED_BYTE, 0);
} else {
array = setupArrayBuffer(bufferSize - 1, false);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB8, testCase.width, testCase.height, 0,
gl.RGB, gl.UNSIGNED_BYTE, array);
}
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "buffer too small");
if (__apply_alignment_workaround__)
bufferSize += imageSizes.padding;
array = setupArrayBuffer(bufferSize, true);
if (useUnpackBuffer) {
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, array, gl.DYNAMIC_DRAW);
}
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB8, testCase.width, testCase.height, 0,
gl.RGB, gl.UNSIGNED_BYTE, useUnpackBuffer ? 0 : array);
if (testCase.validUnpackParams2D) {
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage2D with correct buffer size should succeed");
} else {
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid unpack params combination");
if (!useUnpackBuffer) {
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB8, testCase.width, testCase.height, 0,
gl.RGB, gl.UNSIGNED_BYTE, null);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "unpack param constraints do not apply if no data are uploaded.");
}
return;
}
var buffer1 = unpackPixels(array, testCase.width, testCase.height, 1, imageSizes);
var buffer2 = getPixelsFromTexture2D(gl, tex, 0, 0, testCase.width, testCase.height);
comparePixels(buffer1, buffer2);
var subWidth = testCase.width - testCase.xoffset;
var subHeight = testCase.height - testCase.yoffset;
debug("TexSubImage2D : offset = (" + testCase.xoffset + ", " + testCase.yoffset +
"), size = (" + subWidth + ", " + subHeight + ")");
imageSizes = computeImageSizes2D(subWidth, subHeight, testCase);
bufferSize = imageSizes.totalSize;
if (useUnpackBuffer) {
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, bufferSize - 1, gl.DYNAMIC_DRAW);
gl.texSubImage2D(gl.TEXTURE_2D, 0, testCase.xoffset, testCase.yoffset,
subWidth, subHeight, gl.RGB, gl.UNSIGNED_BYTE, 0);
} else {
array = setupArrayBuffer(bufferSize - 1, false);
gl.texSubImage2D(gl.TEXTURE_2D, 0, testCase.xoffset, testCase.yoffset,
subWidth, subHeight, gl.RGB, gl.UNSIGNED_BYTE, array);
}
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "buffer too small");
if (__apply_alignment_workaround__)
bufferSize += imageSizes.padding;
array = setupArrayBuffer(bufferSize, true);
if (useUnpackBuffer) {
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, array, gl.DYNAMIC_DRAW);
}
gl.texSubImage2D(gl.TEXTURE_2D, 0, testCase.xoffset, testCase.yoffset, subWidth, subHeight,
gl.RGB, gl.UNSIGNED_BYTE, useUnpackBuffer ? 0 : array);
if (testCase.validUnpackParamsForSub2D) {
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texSubImage2D with correct buffer size should succeed");
} else {
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid unpack params combination");
return;
}
var buffer1 = unpackPixels(array, subWidth, subHeight, 1, imageSizes);
var buffer2 = getPixelsFromTexture2D(
gl, tex, testCase.xoffset, testCase.yoffset, subWidth, subHeight);
comparePixels(buffer1, buffer2);
if (buffer) {
gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, null);
gl.deleteBuffer(buffer);
}
gl.bindTexture(gl.TEXTURE_2D, null);
gl.deleteTexture(tex);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no error");
}
function runTestIteration3D(gl, testCase, useUnpackBuffer) {
debug("");
debug("Texture upload from " + (useUnpackBuffer ? "unpack buffer" : "client data") +
" : alignment = " + testCase.alignment + ", rowLength = " + testCase.rowLength +
", imageHeight = " + testCase.imageHeight + ", skipPixels = " + testCase.skipPixels +
", skipRows = " + testCase.skipRows + ", skipImages = " + testCase.skipImages);
debug("TexImage3D : size = (" + testCase.width + ", " + testCase.height + ", " + testCase.depth + ")");
gl.pixelStorei(gl.UNPACK_ALIGNMENT, testCase.alignment);
gl.pixelStorei(gl.UNPACK_ROW_LENGTH, testCase.rowLength);
gl.pixelStorei(gl.UNPACK_IMAGE_HEIGHT, testCase.imageHeight);
gl.pixelStorei(gl.UNPACK_SKIP_PIXELS, testCase.skipPixels);
gl.pixelStorei(gl.UNPACK_SKIP_ROWS, testCase.skipRows);
gl.pixelStorei(gl.UNPACK_SKIP_IMAGES, testCase.skipImages);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Set up pixel store parameters should succeed");
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_3D, tex);
var imageSizes = computeImageSizes3D(testCase.width, testCase.height, testCase.depth, testCase);
var buffer = null;
var array;
var bufferSize = imageSizes.totalSize;
// Verify buffer with less than enough size will fail.
if (useUnpackBuffer) {
buffer = gl.createBuffer();
gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, buffer);
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, bufferSize - 1, gl.DYNAMIC_DRAW);
gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGB8, testCase.width, testCase.height, testCase.depth, 0,
gl.RGB, gl.UNSIGNED_BYTE, 0);
} else {
array = setupArrayBuffer(bufferSize - 1, false);
gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGB8, testCase.width, testCase.height, testCase.depth, 0,
gl.RGB, gl.UNSIGNED_BYTE, array);
}
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "buffer too small");
if (__apply_alignment_workaround__)
bufferSize += imageSizes.padding;
array = setupArrayBuffer(bufferSize, true);
if (useUnpackBuffer) {
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, array, gl.DYNAMIC_DRAW);
}
gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGB8, testCase.width, testCase.height, testCase.depth, 0,
gl.RGB, gl.UNSIGNED_BYTE, useUnpackBuffer ? 0 : array);
if (testCase.validUnpackParams3D) {
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage3D with correct buffer size should succeed");
} else {
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid unpack params combination");
if (!useUnpackBuffer) {
gl.texImage3D(gl.TEXTURE_3D, 0, gl.RGB8, testCase.width, testCase.height, testCase.depth, 0,
gl.RGB, gl.UNSIGNED_BYTE, null);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "unpack param constraints do not apply if no data are uploaded.");
}
return;
}
var buffer1 = unpackPixels(array, testCase.width, testCase.height, testCase.depth, imageSizes);
var buffer2 = getPixelsFromTexture3D(
gl, tex, 0, 0, 0, testCase.width, testCase.height, testCase.depth);
comparePixels(buffer1, buffer2);
var subWidth = testCase.width - testCase.xoffset;
var subHeight = testCase.height - testCase.yoffset;
var subDepth = testCase.depth - testCase.zoffset;
debug("TexSubImage3D : offset = (" + testCase.xoffset + ", " + testCase.yoffset + ", " +
testCase.zoffset + "), size = (" + subWidth + ", " + subHeight + ", " + subDepth + ")");
imageSizes = computeImageSizes3D(subWidth, subHeight, subDepth, testCase);
bufferSize = imageSizes.totalSize;
if (useUnpackBuffer) {
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, bufferSize - 1, gl.DYNAMIC_DRAW);
gl.texSubImage3D(gl.TEXTURE_3D, 0, testCase.xoffset, testCase.yoffset, testCase.zoffset,
subWidth, subHeight, subDepth, gl.RGB, gl.UNSIGNED_BYTE, 0);
} else {
array = setupArrayBuffer(bufferSize - 1, false);
gl.texSubImage3D(gl.TEXTURE_3D, 0, testCase.xoffset, testCase.yoffset, testCase.zoffset,
subWidth, subHeight, subDepth, gl.RGB, gl.UNSIGNED_BYTE, array);
}
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "buffer too small");
if (__apply_alignment_workaround__)
bufferSize += imageSizes.padding;
array = setupArrayBuffer(bufferSize, true);
if (useUnpackBuffer) {
gl.bufferData(gl.PIXEL_UNPACK_BUFFER, array, gl.DYNAMIC_DRAW);
}
gl.texSubImage3D(gl.TEXTURE_3D, 0, testCase.xoffset, testCase.yoffset, testCase.zoffset,
subWidth, subHeight, subDepth,
gl.RGB, gl.UNSIGNED_BYTE, useUnpackBuffer ? 0 : array);
if (testCase.validUnpackParamsForSub3D) {
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texSubImage3D with correct buffer size should succeed");
} else {
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid unpack params combination");
return;
}
buffer1 = unpackPixels(array, subWidth, subHeight, subDepth, imageSizes);
buffer2 = getPixelsFromTexture3D(gl, tex, testCase.xoffset, testCase.yoffset, testCase.zoffset,
subWidth, subHeight, subDepth);
comparePixels(buffer1, buffer2);
if (buffer) {
gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, null);
gl.deleteBuffer(buffer);
}
gl.bindTexture(gl.TEXTURE_3D, null);
gl.deleteTexture(tex);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no error");
}
function runTests() {
var gl = wtu.create3DContext("example", undefined, 2);
if (!gl) {
testFailed("Fail to get a WebGL context");
return;
}
// For 2D cases, depth, zoffset, imageHeight, skipImages are ignored.
var testCases = [
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 1, rowLength: 0, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 5, height: 7, depth: 4, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 2, rowLength: 0, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 6, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 4, rowLength: 0, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 5, height: 8, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 8, rowLength: 0, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
// ROW_LENGTH == width
{ width: 10, height: 9, depth: 2, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 4, rowLength: 10, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
// ROW_LENGTH < width
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 1, rowLength: 4, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 2, rowLength: 4, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 4, rowLength: 4, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 8, rowLength: 4, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: false, validUnpackParams3D: false },
// ROW_LENGTH > width
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 1, rowLength: 6, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 2, rowLength: 7, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 4, rowLength: 8, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 5, height: 7, depth: 5, xoffset: 2, yoffset: 3, zoffset: 2,
alignment: 8, rowLength: 9, imageHeight: 0, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
// IMAGE_HEIGHT == height
{ width: 6, height: 7, depth: 4, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 8, rowLength: 0, imageHeight: 7, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
// IMAGE_HEIGHT < height
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 1, rowLength: 0, imageHeight: 6, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 2, rowLength: 0, imageHeight: 6, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 4, rowLength: 0, imageHeight: 6, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 8, rowLength: 0, imageHeight: 6, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: false },
// IMAGE_HEIGHT > height
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 1, rowLength: 0, imageHeight: 8, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 6, height: 7, depth: 3, xoffset: 2, yoffset: 2, zoffset: 1,
alignment: 2, rowLength: 0, imageHeight: 9, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 7, height: 7, depth: 3, xoffset: 2, yoffset: 4, zoffset: 1,
alignment: 4, rowLength: 0, imageHeight: 10, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
{ width: 8, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 8, rowLength: 0, imageHeight: 11, skipPixels: 0, skipRows: 0, skipImages: 0,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: true, validUnpackParamsForSub3D: true },
// SKIP parameters
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 1, rowLength: 0, imageHeight: 0, skipPixels: 10, skipRows: 0, skipImages: 0,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 2, rowLength: 0, imageHeight: 0, skipPixels: 2, skipRows: 8, skipImages: 0,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 4, rowLength: 0, imageHeight: 0, skipPixels: 3, skipRows: 5, skipImages: 1,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 8, rowLength: 0, imageHeight: 0, skipPixels: 7, skipRows: 0, skipImages: 2,
validUnpackParams2D: false, validUnpackParams3D: false },
// all mixed.
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 1, rowLength: 6, imageHeight: 6, skipPixels: 3, skipRows: 5, skipImages: 1,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 2, rowLength: 4, imageHeight: 8, skipPixels: 7, skipRows: 2, skipImages: 2,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 5, height: 7, depth: 3, xoffset: 2, yoffset: 3, zoffset: 1,
alignment: 4, rowLength: 10, imageHeight: 2, skipPixels: 0, skipRows: 3, skipImages: 1,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: false },
{ width: 1, height: 1, depth: 1, xoffset: 0, yoffset: 0, zoffset: 0,
alignment: 2, rowLength: 3, imageHeight: 2, skipPixels: 3, skipRows: 5, skipImages: 1,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 17, height: 6, depth: 4, xoffset: 12, yoffset: 3, zoffset: 2,
alignment: 2, rowLength: 4, imageHeight: 8, skipPixels: 1, skipRows: 4, skipImages: 2,
validUnpackParams2D: false, validUnpackParams3D: false },
{ width: 8, height: 17, depth: 3, xoffset: 2, yoffset: 13, zoffset: 1,
alignment: 4, rowLength: 9, imageHeight: 2, skipPixels: 0, skipRows: 3, skipImages: 1,
validUnpackParams2D: true, validUnpackParamsForSub2D: true,
validUnpackParams3D: false },
];
// Upload textures from client data
var useUnpackBuffer = false;
for (var ii = 0; ii < testCases.length; ++ii) {
var testCase = testCases[ii];
runTestIteration2D(gl, testCase, useUnpackBuffer);
runTestIteration3D(gl, testCase, useUnpackBuffer);
}
// Upload textures from unpack buffer
useUnpackBuffer = true;
for (var ii = 0; ii < testCases.length; ++ii) {
var testCase = testCases[ii];
runTestIteration2D(gl, testCase, useUnpackBuffer);
runTestIteration3D(gl, testCase, useUnpackBuffer);
}
}
runTests();
debug("");
var successfullyParsed = true;
</script>
<script src="../../../js/js-test-post.js"></script>
</body>
</html>