Method FinalizeTexture

src/engine/TextureCache.cpp:337–472

}

void TextureCache::FinalizeTexture(
    std::shared_ptr<TextureData> texture,
    CommonRenderPasses* passes,
    nvrhi::ICommandList* commandList)
{
    assert(texture->data);
    assert(commandList);

    uint originalWidth = texture->width;
    uint originalHeight = texture->height;

    bool isBlockCompressed =
        (texture->format == nvrhi::Format::BC1_UNORM) ||
        (texture->format == nvrhi::Format::BC1_UNORM_SRGB) ||
        (texture->format == nvrhi::Format::BC2_UNORM) ||
        (texture->format == nvrhi::Format::BC2_UNORM_SRGB) ||
        (texture->format == nvrhi::Format::BC3_UNORM) ||
        (texture->format == nvrhi::Format::BC3_UNORM_SRGB) ||
        (texture->format == nvrhi::Format::BC4_SNORM) ||
        (texture->format == nvrhi::Format::BC4_UNORM) ||
        (texture->format == nvrhi::Format::BC5_SNORM) ||
        (texture->format == nvrhi::Format::BC5_UNORM) ||
        (texture->format == nvrhi::Format::BC6H_SFLOAT) ||
        (texture->format == nvrhi::Format::BC6H_UFLOAT) ||
        (texture->format == nvrhi::Format::BC7_UNORM) ||
        (texture->format == nvrhi::Format::BC7_UNORM_SRGB);

    if (isBlockCompressed)
    {
        originalWidth = (originalWidth + 3) & ~3;
        originalHeight = (originalHeight + 3) & ~3;
    }

    uint scaledWidth = originalWidth;
    uint scaledHeight = originalHeight;

    if (m_MaxTextureSize > 0 && int(std::max(originalWidth, originalHeight)) > m_MaxTextureSize &&
        texture->isRenderTarget && texture->dimension == nvrhi::TextureDimension::Texture2D)
    {
        if (originalWidth >= originalHeight)
        {
            scaledHeight = originalHeight * m_MaxTextureSize / originalWidth;
            scaledWidth = m_MaxTextureSize;
        }
        else
        {
            scaledWidth = originalWidth * m_MaxTextureSize / originalHeight;
            scaledHeight = m_MaxTextureSize;
        }
    }

    const char* dataPointer = static_cast<const char*>(texture->data->data());

    nvrhi::TextureDesc textureDesc;
    textureDesc.format = texture->format;
    textureDesc.width = scaledWidth;
    textureDesc.height = scaledHeight;
    textureDesc.depth = texture->depth;