Method create

Source/Editor/Content/PreviewsCache.cpp:245–277

}

CreateAssetResult PreviewsCache::create(CreateAssetContext& context)
{
    // Base
    IMPORT_SETUP(PreviewsCache, 4);

    // Create texture header (custom data)
    TextureHeader textureHeader;
    textureHeader.Width = ASSETS_ICONS_ATLAS_SIZE;
    textureHeader.Height = ASSETS_ICONS_ATLAS_SIZE;
    textureHeader.Format = ASSETS_ICONS_ATLAS_FORMAT;
    textureHeader.MipLevels = 1;
    textureHeader.NeverStream = true;
    context.Data.CustomData.Copy(&textureHeader);

    // Create blank image (chunk 0)
    uint64 imageSize = RenderTools::CalculateTextureMemoryUsage(ASSETS_ICONS_ATLAS_FORMAT, ASSETS_ICONS_ATLAS_SIZE, ASSETS_ICONS_ATLAS_SIZE, 1);
    ASSERT(imageSize <= MAX_int32);
    if (context.AllocateChunk(0))
        return CreateAssetResult::CannotAllocateChunk;
    auto mipChunk = context.Data.Header.Chunks[0];
    mipChunk->Data.Allocate((int32)imageSize);
    Platform::MemoryClear(mipChunk->Get(), mipChunk->Size());

    // Create IDs cache array (chunk 15)
    int32 idsSize = sizeof(Guid) * ASSETS_ICONS_PER_ATLAS;
    if (context.AllocateChunk(15))
        return CreateAssetResult::CannotAllocateChunk;
    auto dataChunk = context.Data.Header.Chunks[15];
    dataChunk->Data.Allocate(idsSize);
    Platform::MemoryClear(dataChunk->Get(), dataChunk->Size());

    return CreateAssetResult::Ok;
}

#endif