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Subpixel rendering (#186)

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Reviewed-on: https://git.madvoxel.net/OpenVulkano/OpenVulkano/pulls/186
Reviewed-by: Georg Hagen <georg.hagen@madvoxel.com>
Co-authored-by: ohyzha <oleksii.hyzha.ext@madvoxel.com>
Co-committed-by: ohyzha <oleksii.hyzha.ext@madvoxel.com>
This commit is contained in:
ohyzha
2025-01-13 11:05:54 +01:00
committed by Oleksii_Hyzha
parent c976d75715
commit f2b164d6e8
20 changed files with 452 additions and 112 deletions
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109
examples/ExampleApps/TextExampleApp.cpp
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@@ -56,17 +56,18 @@ namespace OpenVulkano
texts.push_back(std::make_pair("This is first line\nSecond gg line\nThird G line", TextConfig()));
texts[1].second.backgroundColor.a = 255;
const int N = texts.size();
constexpr int atlasesCount = 4;
const int textsCount = texts.size();
auto& resourceLoader = ResourceLoader::GetInstance();
const std::string fontPath = resourceLoader.GetResourcePath("Roboto-Regular.ttf");
m_nodesPool.resize(N * 3);
m_drawablesPool.resize(N * 3);
m_nodesPool.resize(textsCount * atlasesCount);
m_drawablesPool.resize(textsCount * atlasesCount);
if constexpr (CREATE_BITMAP_ATLAS)
{
// ReSharper disable once CppDFAUnreachableCode
std::set<uint32_t> s = BitmapFontAtlasGenerator::LoadAllGlyphs(fontPath);
BitmapFontAtlasGenerator generator;
BitmapFontAtlasGenerator generator(FontPixelSizeConfig(), SubpixelLayout::RGB);
generator.GenerateAtlas(fontPath, s);
generator.GetAtlas()->Save("bitmap_atlas_packed.png");
}
@@ -81,63 +82,73 @@ namespace OpenVulkano
auto sdfMetadataInfo = resourceLoader.GetResource("sdf_atlas_packed.png");
auto msdfMetadataInfo = resourceLoader.GetResource("msdf_atlas_packed.png");
auto bitmapMetadataInfo = resourceLoader.GetResource("bitmap_atlas_packed.png");
auto bitmapSubpixelRenderingMetadataInfo = resourceLoader.GetResource("bitmap_subpixel_atlas_packed.png");
#endif
for (int i = 0; i < texts.size() * 3; i++)
for (int i = 0, xOffset = -5; i < atlasesCount; i++, xOffset += 20)
{
int textIdx = i % texts.size();
TextDrawable* t = nullptr;
for (int j = 0; j < texts.size(); j++)
{
TextDrawable* t = nullptr;
#if defined(MSDFGEN_AVAILABLE) && CREATE_NEW_ATLAS
if (i < texts.size())
{
t = new TextDrawable(m_atlasGenerator.GetAtlasData(), texts[textIdx].second);
}
else
{
t = new TextDrawable(m_msdfAtlasGenerator.GetAtlasData(), texts[textIdx].second);
}
if (i < texts.size())
{
t = new TextDrawable(m_atlasGenerator.GetAtlasData(), texts[j].second);
t->SetShader(&TextDrawable::GetSdfDefaultShader());
}
else
{
t = new TextDrawable(m_msdfAtlasGenerator.GetAtlasData(), texts[j].second);
t->SetShader(&TextDrawable::GetMsdfDefaultShader());
}
#else
int xOffset = 0;
if (i < N)
{
t = new TextDrawable(sdfMetadataInfo, texts[textIdx].second);
xOffset = -5;
if (i == 0)
{
t = new TextDrawable(sdfMetadataInfo, texts[j].second);
}
else if (i == 1)
{
t = new TextDrawable(msdfMetadataInfo, texts[j].second);
}
else if (i == 2)
{
// bitmap
t = new TextDrawable(bitmapMetadataInfo, texts[j].second);
}
else if (i == 3)
{
// bitmap subpixel rendering
t = new TextDrawable(bitmapSubpixelRenderingMetadataInfo, texts[j].second);
}
// OR use separate texture + metadata file
//auto metadataInfo = resourceLoader.GetResource("atlas_metadata");
//auto data = resourceLoader.GetResource("roboto-regular-atlas.png");
//Image::ImageLoaderPng loader;
//static auto image = loader.loadData(reinterpret_cast<uint8_t*>(data.Data()), data.Size());
//static Texture tex;
//tex.resolution = image->resolution;
//tex.textureBuffer = image->data.Data();
//tex.format = image->dataFormat;
//tex.size = image->data.Size(); // 1 channel
//TextDrawable* t = new TextDrawable(metadataInfo, &tex, texts[i].second);
#endif // MSDFGEN_AVAILABLE
const int nodeIdx = i * texts.size() + j;
t->GenerateText(texts[j].first);
m_drawablesPool[nodeIdx].reset(t);
m_nodesPool[nodeIdx].Init();
m_nodesPool[nodeIdx].SetMatrix(
Math::Utils::translate(glm::mat4x4(1.f), Vector3f(xOffset, 2 - j * 2, 0)));
m_nodesPool[nodeIdx].AddDrawable(m_drawablesPool[nodeIdx].get());
m_scene.GetRoot()->AddChild(&m_nodesPool[nodeIdx]);
}
else if (i >= N && i < N * 2)
{
t = new TextDrawable(msdfMetadataInfo, texts[textIdx].second);
xOffset = 15;
}
else
{
t = new TextDrawable(bitmapMetadataInfo, texts[textIdx].second);
xOffset = 35;
}
// OR use separate texture + metadata file
//auto metadataInfo = resourceLoader.GetResource("atlas_metadata");
//auto data = resourceLoader.GetResource("roboto-regular-atlas.png");
//Image::ImageLoaderPng loader;
//static auto image = loader.loadData(reinterpret_cast<uint8_t*>(data.Data()), data.Size());
//static Texture tex;
//tex.resolution = image->resolution;
//tex.textureBuffer = image->data.Data();
//tex.format = image->dataFormat;
//tex.size = image->data.Size(); // 1 channel
//TextDrawable* t = new TextDrawable(metadataInfo, &tex, texts[i].second);
#endif // MSDFGEN_AVAILABLE
t->GenerateText(texts[textIdx].first);
m_drawablesPool[i].reset(t);
m_nodesPool[i].Init();
m_nodesPool[i].SetMatrix(Math::Utils::translate(glm::mat4x4(1.f), Vector3f(xOffset, 2 - textIdx * 2, 0)));
m_nodesPool[i].AddDrawable(m_drawablesPool[i].get());
m_scene.GetRoot()->AddChild(&m_nodesPool[i]);
}
GetGraphicsAppManager()->GetRenderer()->SetScene(&m_scene);
m_camController.Init(&m_cam);
m_camController.SetDefaultKeybindings();
m_camController.SetPosition({ 10, 0, 15 });
m_camController.SetBoostFactor(5);
std::shared_ptr<UI::PerformanceInfo> m_perfInfo =
std::make_shared<UI::PerformanceInfo>();
m_ui.AddElement(m_perfInfo);

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