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[Chore] (MG_Impl/Texture): convert base internal format to sized ones (on a best-effort basis)

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swung0x48
2026-01-08 10:19:20 +08:00
parent a601307d6f
commit d7e1aee645
8 changed files with 163 additions and 17 deletions
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MobileGL/MG_Util/Converters/MGToMG/TextureEnumConverter.cpp
+141
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@@ -6,6 +6,7 @@
// End of Source File Header
#include "TextureEnumConverter.h"
#include "MG_Util/Converters/MGToStr/TextureEnumConverter.h"
namespace MobileGL {
namespace MG_Util {
@@ -50,5 +51,145 @@ namespace MobileGL {
return TextureTarget::Unknown;
}
}
TextureInternalFormat ConvertInternalFormatToSized(TextureInternalFormat internalformat, TextureInputFormat format, TexturePixelDataType type) {
switch (internalformat) {
case TextureInternalFormat::R8:
case TextureInternalFormat::R8Snorm:
case TextureInternalFormat::R16:
case TextureInternalFormat::R16Snorm:
case TextureInternalFormat::RG8:
case TextureInternalFormat::RG8Snorm:
case TextureInternalFormat::RG16:
case TextureInternalFormat::RG16Snorm:
case TextureInternalFormat::R3G3B2:
case TextureInternalFormat::RGB4:
case TextureInternalFormat::RGB5:
case TextureInternalFormat::RGB8:
case TextureInternalFormat::RGB8Snorm:
case TextureInternalFormat::RGB10:
case TextureInternalFormat::RGB12:
case TextureInternalFormat::RGB16Snorm:
case TextureInternalFormat::RGBA2:
case TextureInternalFormat::RGBA4:
case TextureInternalFormat::RGB5A1:
case TextureInternalFormat::RGBA8:
case TextureInternalFormat::RGBA8Snorm:
case TextureInternalFormat::RGB10A2:
case TextureInternalFormat::RGB10A2UI:
case TextureInternalFormat::RGBA12:
case TextureInternalFormat::RGBA16:
case TextureInternalFormat::SRGB8:
case TextureInternalFormat::SRGB8Alpha8:
case TextureInternalFormat::R16F:
case TextureInternalFormat::RG16F:
case TextureInternalFormat::RGB16F:
case TextureInternalFormat::RGBA16F:
case TextureInternalFormat::R32F:
case TextureInternalFormat::RG32F:
case TextureInternalFormat::RGB32F:
case TextureInternalFormat::RGBA32F:
case TextureInternalFormat::R11FG11FB10F:
case TextureInternalFormat::RGB9E5:
case TextureInternalFormat::R8I:
case TextureInternalFormat::R8UI:
case TextureInternalFormat::R16I:
case TextureInternalFormat::R16UI:
case TextureInternalFormat::R32I:
case TextureInternalFormat::R32UI:
case TextureInternalFormat::RG8I:
case TextureInternalFormat::RG8UI:
case TextureInternalFormat::RG16I:
case TextureInternalFormat::RG16UI:
case TextureInternalFormat::RG32I:
case TextureInternalFormat::RG32UI:
case TextureInternalFormat::RGB8I:
case TextureInternalFormat::RGB8UI:
case TextureInternalFormat::RGB16I:
case TextureInternalFormat::RGB16UI:
case TextureInternalFormat::RGB32I:
case TextureInternalFormat::RGB32UI:
case TextureInternalFormat::RGBA8I:
case TextureInternalFormat::RGBA8UI:
case TextureInternalFormat::RGBA16I:
case TextureInternalFormat::RGBA16UI:
case TextureInternalFormat::RGBA32I:
case TextureInternalFormat::RGBA32UI:
case TextureInternalFormat::DepthComponent16:
case TextureInternalFormat::DepthComponent24:
case TextureInternalFormat::DepthComponent32: // not a standard format in OpenGL core profile
case TextureInternalFormat::DepthComponent32F:
case TextureInternalFormat::Depth24Stencil8:
case TextureInternalFormat::Depth32FStencil8:
return internalformat;
// probably we should assume unorm here?
case TextureInternalFormat::RGBA: {
switch (type) {
case TexturePixelDataType::UnsignedByte:
return TextureInternalFormat::RGBA8;
case TexturePixelDataType::UnsignedShort:
return TextureInternalFormat::RGBA16;
default:
MGLOG_W("%s: Can't infer sized internal format from internalformat=%s, format=%s, type=%s, returning original.",
__func__,
MG_Util::ConvertTextureInternalFormatToString(internalformat).c_str(),
MG_Util::ConvertTextureInputFormatToString(format).c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(type).c_str());
return internalformat;
}
}
case TextureInternalFormat::RGB: {
switch (type) {
case TexturePixelDataType::UnsignedByte:
return TextureInternalFormat::RGB8;
default:
MGLOG_W("%s: Can't infer sized internal format from internalformat=%s, format=%s, type=%s, returning original.",
__func__,
MG_Util::ConvertTextureInternalFormatToString(internalformat).c_str(),
MG_Util::ConvertTextureInputFormatToString(format).c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(type).c_str());
return internalformat;
}
}
case TextureInternalFormat::RG: {
switch (type) {
case TexturePixelDataType::UnsignedByte:
return TextureInternalFormat::RG8;
case TexturePixelDataType::UnsignedShort:
return TextureInternalFormat::RG16;
default:
MGLOG_W("%s: Can't infer sized internal format from internalformat=%s, format=%s, type=%s, returning original.",
__func__,
MG_Util::ConvertTextureInternalFormatToString(internalformat).c_str(),
MG_Util::ConvertTextureInputFormatToString(format).c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(type).c_str());
return internalformat;
}
}
case TextureInternalFormat::Red: {
switch (type) {
case TexturePixelDataType::UnsignedByte:
return TextureInternalFormat::R8;
case TexturePixelDataType::UnsignedShort:
return TextureInternalFormat::R16;
default:
MGLOG_W("%s: Can't infer sized internal format from internalformat=%s, format=%s, type=%s, returning original.",
__func__,
MG_Util::ConvertTextureInternalFormatToString(internalformat).c_str(),
MG_Util::ConvertTextureInputFormatToString(format).c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(type).c_str());
return internalformat;
}
}
default: {
MGLOG_W("%s: Can't infer sized internal format from internalformat=%s, format=%s, type=%s, returning original.",
__func__,
MG_Util::ConvertTextureInternalFormatToString(internalformat).c_str(),
MG_Util::ConvertTextureInputFormatToString(format).c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(type).c_str());
return internalformat;
}
}
}
} // namespace MG_Util
} // namespace MobileGL