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88 lines
3.3 KiB
88 lines
3.3 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022, 2023, 2024, 2025 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <Corrade/TestSuite/Tester.h> |
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#include <Corrade/Utility/DebugStl.h> /** @todo drop once std::pair isn't used (i.e., the whole PixelStorage crap ceases to exist) */ |
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#include "Magnum/ImageView.h" |
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#include "Magnum/PixelFormat.h" |
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#include "Magnum/GL/Implementation/imageProperties.h" |
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namespace Magnum { namespace GL { namespace Test { namespace { |
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struct PixelStorageTest: TestSuite::Tester { |
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explicit PixelStorageTest(); |
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void occupiedCompressedImageDataSize(); |
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}; |
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PixelStorageTest::PixelStorageTest() { |
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addTests({&PixelStorageTest::occupiedCompressedImageDataSize}); |
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} |
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void PixelStorageTest::occupiedCompressedImageDataSize() { |
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/* Assuming a custom 5x4x2 format with 16-byte blocks, with the whole image |
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being 55x28x12 */ |
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const char data[(55/5)*(28/4)*(12/2)*16]{}; |
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/* The size is calculated from block properties and the *image* size, not |
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the supplied row length / image height. This is what GL wants, it has no |
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relation to anything useful. For comparison see the PixelStorageTest::dataOffsetSizeCompressed() test in the core |
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library. */ |
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{ |
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CompressedImageView3D image{ |
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CompressedPixelStorage{} |
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.setRowLength(55) |
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.setImageHeight(28) |
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.setSkip({10, 8, 4}), |
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42069, /* custom format */ |
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{5, 4, 2}, |
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16, |
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{35, 20, 6}, |
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data}; |
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CORRADE_COMPARE(Implementation::occupiedCompressedImageDataSize(image), |
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(35/5)*(20/4)*(6/2)*16); |
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/* Same result if the size isn't whole blocks */ |
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} { |
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CompressedImageView3D image{ |
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CompressedPixelStorage{} |
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.setRowLength(55) |
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.setImageHeight(28) |
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.setSkip({10, 8, 4}), |
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42069, /* custom format */ |
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{5, 4, 2}, |
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16, |
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{31, 19, 5}, |
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data}; |
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CORRADE_COMPARE(Implementation::occupiedCompressedImageDataSize(image), |
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(35/5)*(20/4)*(6/2)*16); |
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} |
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} |
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}}}} |
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CORRADE_TEST_MAIN(Magnum::GL::Test::PixelStorageTest)
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