Function create_func

source/emulator/src/Graphics/Objects/RenderTexture.cpp:151–279

}

static void* create_func(GraphicContext* ctx, const uint64_t* params, const uint64_t* vaddr, const uint64_t* size, int vaddr_num,
                         VulkanMemory* mem)
{
	KYTY_PROFILER_BLOCK("RenderTextureObject::Create");

	EXIT_IF(vaddr_num != 1 || size == nullptr || vaddr == nullptr);
	EXIT_IF(mem == nullptr);
	EXIT_IF(ctx == nullptr);

	auto pixel_format = params[RenderTextureObject::PARAM_FORMAT];
	auto width        = params[RenderTextureObject::PARAM_WIDTH];
	auto height       = params[RenderTextureObject::PARAM_HEIGHT];

	VkFormat vk_format = VK_FORMAT_UNDEFINED;

	switch (pixel_format)
	{
		case static_cast<uint64_t>(RenderTextureFormat::R8Unorm): vk_format = VK_FORMAT_R8_UNORM; break;
		case static_cast<uint64_t>(RenderTextureFormat::R8G8B8A8Unorm): vk_format = VK_FORMAT_R8G8B8A8_UNORM; break;
		case static_cast<uint64_t>(RenderTextureFormat::R8G8B8A8Srgb): vk_format = VK_FORMAT_R8G8B8A8_SRGB; break;
		case static_cast<uint64_t>(RenderTextureFormat::B8G8R8A8Unorm): vk_format = VK_FORMAT_B8G8R8A8_UNORM; break;
		case static_cast<uint64_t>(RenderTextureFormat::B8G8R8A8Srgb): vk_format = VK_FORMAT_B8G8R8A8_SRGB; break;
		default: EXIT("unknown format: %" PRIu64 "\n", pixel_format);
	}

	EXIT_NOT_IMPLEMENTED(width == 0);
	EXIT_NOT_IMPLEMENTED(height == 0);

	auto* vk_obj = new RenderTextureVulkanImage;

	vk_obj->extent.width  = width;
	vk_obj->extent.height = height;
	vk_obj->format        = vk_format;
	vk_obj->image         = nullptr;

	for (auto& view: vk_obj->image_view)
	{
		view = nullptr;
	}

	VkImageCreateInfo image_info {};
	image_info.sType         = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
	image_info.pNext         = nullptr;
	image_info.flags         = 0;
	image_info.imageType     = VK_IMAGE_TYPE_2D;
	image_info.extent.width  = vk_obj->extent.width;
	image_info.extent.height = vk_obj->extent.height;
	image_info.extent.depth  = 1;
	image_info.mipLevels     = 1;
	image_info.arrayLayers   = 1;
	image_info.format        = vk_obj->format;
	image_info.tiling        = VK_IMAGE_TILING_OPTIMAL;
	image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
	image_info.usage         = static_cast<VkImageUsageFlags>(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) |
	                   static_cast<VkImageUsageFlags>(VK_IMAGE_USAGE_TRANSFER_SRC_BIT) |
	                   static_cast<VkImageUsageFlags>(VK_IMAGE_USAGE_TRANSFER_DST_BIT) |
	                   static_cast<VkImageUsageFlags>(VK_IMAGE_USAGE_SAMPLED_BIT);
	image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;