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/* Copyright (C) 2024 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/self_test.h"
#include "graphics/TextureManager.h"
#include "lib/external_libraries/libsdl.h"
#include "lib/file/vfs/vfs.h"
#include "lib/tex/tex.h"
#include "ps/ConfigDB.h"
#include "ps/XML/Xeromyces.h"
#include "renderer/backend/dummy/Device.h"
#include <optional>
class TestTextureManager : public CxxTest::TestSuite
{
PIVFS m_VFS;
std::unique_ptr<Renderer::Backend::IDevice> m_Device;
std::optional<CXeromycesEngine> m_XeromycesEngine;
public:
void setUp()
{
CConfigDB::Initialise();
DeleteDirectory(DataDir()/"_testcache"); // clean up in case the last test run failed
m_VFS = CreateVfs();
TS_ASSERT_OK(m_VFS->Mount(L"", DataDir() / "mods" / "_test.tex" / "", VFS_MOUNT_MUST_EXIST));
TS_ASSERT_OK(m_VFS->Mount(L"cache/", DataDir() / "_testcache" / "", 0, VFS_MAX_PRIORITY));
m_XeromycesEngine.emplace();
m_Device = std::make_unique<Renderer::Backend::Dummy::CDevice>();
}
void tearDown()
{
m_XeromycesEngine.reset();
m_VFS.reset();
DeleteDirectory(DataDir()/"_testcache");
CConfigDB::Shutdown();
}
void test_load_basic()
{
{
CTextureManager texman(m_VFS, false, m_Device.get());
CTexturePtr t1 = texman.CreateTexture(CTextureProperties(L"art/textures/a/demo.png"));
TS_ASSERT(!t1->IsLoaded());
TS_ASSERT(!t1->TryLoad());
TS_ASSERT(!t1->IsLoaded());
TS_ASSERT(texman.MakeProgress());
for (size_t i = 0; i < 100; ++i)
{
if (texman.MakeProgress())
break;
SDL_Delay(10);
}
TS_ASSERT(t1->IsLoaded());
// We can't test sizes because we had to disable GL function calls
// and therefore couldn't load the texture. Maybe we should try loading
// the texture file directly, to make sure it's actually worked.
// TS_ASSERT_EQUALS(t1->GetWidth(), (size_t)64);
// TS_ASSERT_EQUALS(t1->GetHeight(), (size_t)64);
// CreateTexture should return the same object
CTexturePtr t2 = texman.CreateTexture(CTextureProperties(L"art/textures/a/demo.png"));
TS_ASSERT(t1 == t2);
}
// New texture manager - should use the cached file
{
CTextureManager texman(m_VFS, false, m_Device.get());
CTexturePtr t1 = texman.CreateTexture(CTextureProperties(L"art/textures/a/demo.png"));
TS_ASSERT(!t1->IsLoaded());
TS_ASSERT(t1->TryLoad());
TS_ASSERT(t1->IsLoaded());
}
}
void test_load_formats()
{
CTextureManager texman(m_VFS, false, m_Device.get());
CTexturePtr t1 = texman.CreateTexture(CTextureProperties(L"art/textures/a/demo.tga"));
CTexturePtr t2 = texman.CreateTexture(CTextureProperties(L"art/textures/a/demo-abgr.dds"));
CTexturePtr t3 = texman.CreateTexture(CTextureProperties(L"art/textures/a/demo-dxt1.dds"));
CTexturePtr t4 = texman.CreateTexture(CTextureProperties(L"art/textures/a/demo-dxt5.dds"));
t1->TryLoad();
t2->TryLoad();
t3->TryLoad();
t4->TryLoad();
size_t done = 0;
for (size_t i = 0; i < 100; ++i)
{
if (texman.MakeProgress())
++done;
if (done == 8) // 4 loads, 4 conversions
break;
SDL_Delay(10);
}
TS_ASSERT(t1->IsLoaded());
TS_ASSERT(t2->IsLoaded());
TS_ASSERT(t3->IsLoaded());
TS_ASSERT(t4->IsLoaded());
}
};
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