Function update2_func

source/emulator/src/Graphics/Objects/Texture.cpp:248–412

NOLINTNEXTLINE(readability-function-cognitive-complexity)

// NOLINTNEXTLINE(readability-function-cognitive-complexity)
static void update2_func(GraphicContext* ctx, CommandBuffer* buffer, const uint64_t* params, void* obj, GpuMemoryScenario scenario,
                         const Vector<GpuMemoryObject>& objects)
{
	KYTY_PROFILER_BLOCK("TextureObject::update2_func");

	EXIT_IF(obj == nullptr);
	EXIT_IF(ctx == nullptr);
	EXIT_IF(params == nullptr);
	EXIT_IF(objects.IsEmpty());

	auto* vk_obj = static_cast<TextureVulkanImage*>(obj);

	auto width  = params[TextureObject::PARAM_WIDTH_HEIGHT] >> 32u;
	auto height = params[TextureObject::PARAM_WIDTH_HEIGHT] & 0xffffffffu;
	auto levels = params[TextureObject::PARAM_LEVELS] & 0xffffffffu;

	VkImageLayout vk_layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;

	EXIT_NOT_IMPLEMENTED(levels >= 16);

	uint32_t mip_width  = width;
	uint32_t mip_height = height;

	Vector<ImageImageCopy> regions(levels);

	if (objects.Size() == 1 && objects.At(0).type == GpuMemoryObjectType::StorageTexture && scenario == GpuMemoryScenario::Common)
	{
		auto* src_obj = static_cast<StorageTextureVulkanImage*>(objects.At(0).obj);

		for (uint32_t i = 0; i < levels; i++)
		{
			auto mipmap_offset = UtilCalcMipmapOffset(i, width, height);

			regions[i].src_image = src_obj;
			regions[i].src_level = 0;
			regions[i].dst_level = i;
			regions[i].width     = mip_width;
			regions[i].height    = mip_height;
			regions[i].src_x     = mipmap_offset.first;
			regions[i].src_y     = mipmap_offset.second;
			regions[i].dst_x     = 0;
			regions[i].dst_y     = 0;

			if (mip_width > 1)
			{
				mip_width /= 2;
			}
			if (mip_height > 1)
			{
				mip_height /= 2;
			}
		}
	} else if (levels == objects.Size() && scenario == GpuMemoryScenario::Common)
	{
		for (uint32_t i = 0; i < levels; i++)
		{
			const auto& object = objects.At(i);