vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/* Copyright (C) 2023 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "lib/self_test.h"
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#include "graphics/TextureConverter.h"
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#include "lib/external_libraries/libsdl.h"
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#include "lib/file/vfs/vfs.h"
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#include "lib/tex/tex.h"
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#include "ps/XML/Xeromyces.h"
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class TestTextureConverter : public CxxTest::TestSuite
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{
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PIVFS m_VFS;
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public:
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void setUp()
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{
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DeleteDirectory(DataDir()/"_testcache"); // clean up in case the last test run failed
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m_VFS = CreateVfs();
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TS_ASSERT_OK(m_VFS->Mount(L"", DataDir() / "mods" / "_test.tex" / "", VFS_MOUNT_MUST_EXIST));
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TS_ASSERT_OK(m_VFS->Mount(L"cache/", DataDir() / "_testcache" / "", 0, VFS_MAX_PRIORITY));
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}
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void tearDown()
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{
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m_VFS.reset();
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DeleteDirectory(DataDir()/"_testcache");
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}
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void test_convert_quality()
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{
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// Test for the bug in http://code.google.com/p/nvidia-texture-tools/issues/detail?id=139
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VfsPath src = L"art/textures/b/test.png";
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CTextureConverter converter(m_VFS, false);
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CTextureConverter::Settings settings = converter.ComputeSettings(L"", std::vector<CTextureConverter::SettingsFile*>());
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TS_ASSERT(converter.ConvertTexture(CTexturePtr(), src, L"cache/test.png", settings));
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VfsPath dest;
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for (size_t i = 0; i < 100; ++i)
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{
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CTexturePtr texture;
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bool ok;
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if (converter.Poll(texture, dest, ok))
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{
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TS_ASSERT(ok);
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break;
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}
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SDL_Delay(10);
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}
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std::shared_ptr<u8> file;
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size_t fileSize = 0;
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TS_ASSERT_OK(m_VFS->LoadFile(dest, file, fileSize));
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Tex tex;
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TS_ASSERT_OK(tex.decode(file, fileSize));
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TS_ASSERT_OK(tex.transform_to((tex.m_Flags | TEX_BGR | TEX_ALPHA) & ~(TEX_DXT | TEX_MIPMAPS)));
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u8* texdata = tex.get_data();
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// The source texture is repeated after 4 pixels, so the compressed texture
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// should be identical after 4 pixels
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TS_ASSERT_EQUALS(texdata[0*4], texdata[4*4]);
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// 1st, 2nd and 4th rows should be unequal
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TS_ASSERT_DIFFERS(texdata[0*4], texdata[8*4]);
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TS_ASSERT_EQUALS(texdata[8*4], texdata[16*4]);
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TS_ASSERT_DIFFERS(texdata[16*4], texdata[24*4]);
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}
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void test_not_pot()
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{
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// CTextureConverter prints to logs in case of an error.
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TestLogger logger;
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const VfsPath path = L"art/textures/b/npot.png";
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CTextureConverter converter(m_VFS, false);
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CTextureConverter::Settings settings =
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converter.ComputeSettings(L"", std::vector<CTextureConverter::SettingsFile*>());
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TS_ASSERT(!converter.ConvertTexture(CTexturePtr(), path, L"cache/npot.png", settings));
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TS_ASSERT(logger.GetOutput().find("be power of two") != std::string::npos);
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}
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};
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