Method InitCSharp

Source/Engine/Graphics/Textures/TextureBase.cpp:687–727

#if !COMPILE_WITHOUT_CSHARP

bool TextureBase::InitCSharp(void* ptr)
{
    PROFILE_CPU_NAMED("Texture.Init");
    struct InternalInitData
    {
        PixelFormat Format;
        int32 Width;
        int32 Height;
        int32 ArraySize;
        int32 MipLevels;
        int32 GenerateMips;
        int32 DataRowPitch[14];
        int32 DataSlicePitch[14];
        byte* Data[14];
    };
    auto initDataObj = (InternalInitData*)ptr;
    auto initData = New<InitData>();

    initData->Format = initDataObj->Format;
    initData->Width = initDataObj->Width;
    initData->Height = initDataObj->Height;
    initData->ArraySize = initDataObj->ArraySize;
    initData->Mips.Resize(initDataObj->GenerateMips ? MipLevelsCount(initDataObj->Width, initDataObj->Height) : initDataObj->MipLevels);

    // Copy source mips data
    for (int32 mipIndex = 0; mipIndex < initDataObj->MipLevels; mipIndex++)
    {
        auto& mip = initData->Mips[mipIndex];
        mip.RowPitch = initDataObj->DataRowPitch[mipIndex];
        mip.SlicePitch = initDataObj->DataSlicePitch[mipIndex];
        mip.Data.Copy(initDataObj->Data[mipIndex], mip.SlicePitch * initData->ArraySize);
    }

    // Generate mips
    for (int32 mipIndex = initDataObj->MipLevels; mipIndex < initData->Mips.Count(); mipIndex++)
    {
        initData->GenerateMip(mipIndex, initDataObj->GenerateMips & 2);
    }

    return Init(initData);
}

#endif