Function computeImageDataSize

GPCS4/Graphics/Violet/VltUtil.cpp:178–202

	}

	VkDeviceSize computeImageDataSize(VkFormat format, VkExtent3D extent)
	{
		const VltFormatInfo* formatInfo = imageFormatInfo(format);

		VkDeviceSize size = 0;

		for (auto aspects = formatInfo->aspectMask; aspects;)
		{
			auto aspect      = getNextAspect(aspects);
			auto elementSize = formatInfo->elementSize;
			auto planeExtent = extent;

			if (formatInfo->flags.test(VltFormatFlag::MultiPlane))
			{
				auto plane = &formatInfo->planes[getPlaneIndex(aspect)];
				planeExtent.width /= plane->blockSize.width;
				planeExtent.height /= plane->blockSize.height;
				elementSize = plane->elementSize;
			}

			size += elementSize * flattenImageExtent(computeBlockCount(planeExtent, formatInfo->blockSize));
		}

		return size;
	}

	static VkColorComponentFlags remapComponentFlag(
		VkColorComponentFlags    mask,