#include "vulkan/vertex.hpp"

VkVertexInputBindingDescription Vertex::getBindingDescription() {
	VkVertexInputBindingDescription bindingDescription {};
	bindingDescription.binding = 0;
	bindingDescription.stride = sizeof(Vertex);
	bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
	return bindingDescription;
}

std::vector<VkVertexInputAttributeDescription> Vertex::getAttributeDescriptions() {
	std::vector<VkVertexInputAttributeDescription> attributeDescriptions(3);

	attributeDescriptions[0] = {
			.location = 0,
			.binding = 0,
			.format = VK_FORMAT_R32G32B32_SFLOAT,
			.offset = offsetof(Vertex, position),
	};

	attributeDescriptions[1] = {
			.location = 1,
			.binding = 0,
			.format = VK_FORMAT_R32G32B32_SFLOAT,
			.offset = offsetof(Vertex, uv),
	};

	attributeDescriptions[2] = {
			.location = 2,
			.binding = 0,
			.format = VK_FORMAT_R32G32B32_SFLOAT,
			.offset = offsetof(Vertex, normal),
	};

	return attributeDescriptions;
}