GraphicsTypes.hpp

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#pragma once
 
#include "BasicTypes.hpp"
#include <vk_mem_alloc.h>
 
struct DrawableObject
{
    VkBuffer vertexBuffer;
    VkBuffer indexBuffer;
    uint32_t indexCount;
    VkDescriptorSet descriptorSet;
};
// Image handle and allocation (and size)
struct AllocatedImage
{
    VkImage image;
    VmaAllocation allocation;
    VkDeviceSize size;
};
// Has image view in addition to AllocatedImage struct
struct CombinedImage
{
    AllocatedImage imageAllocation;
    VkImageView imageView;
};
 
struct AllocatedBuffer
{
    VkBuffer buffer;
    VmaAllocation allocation;
    VkDeviceSize size;
};
 
// Game object descriptor data
struct GameObjectUniformBuffer
{
    VkDescriptorSet descriptorSet;   // Descriptor set of the data
    AllocatedBuffer transformBuffer; // Buffer containing the transform data (glm::mat4)
    void* mappedTransformData;       // Pointer to the mapped data of the transform buffer
};
 
// Simple uniform buffer with a single allocated buffer
struct SimpleUniformBuffer
{
    VkDescriptorSet descriptorSet; // Descriptor set of the data
    AllocatedBuffer buffer;        // Buffer containing whatever data is needed
    void* mappedTransformData;     // Pointer to the mapped data of the transform buffer
};
 
// Character buffer object
struct CharacterObjectUniformBuffer
{
    VkDescriptorSet descriptorSet;       // Descriptor set of the data
    AllocatedBuffer transformBuffer;     // Buffer containing model to world matrix
    AllocatedBuffer boneTransformations; // Buffer containing bone transformations
};
 
// Object that contains everything needed to render a character.
struct CharacterObject
{
    AllocatedBuffer vertexData;
    AllocatedBuffer indexData;
    AllocatedBuffer materialData;
    uint32_t indexCount;
    AllocatedImage texture;
    VkImageView textureView;
    PhongMaterial material;
    std::vector<CharacterObjectUniformBuffer> characterUniformBuffers;
    static std::array<VkDescriptorSetLayoutBinding, 4> getDescriptorSetLayoutBindings();
};
 
struct GameObject
{
    AllocatedBuffer vertexData;
    AllocatedBuffer indexData;
    AllocatedBuffer materialData;
    uint32_t indexCount;
    AllocatedImage texture;
    VkImageView textureView;
    PhongMaterial material;
    std::vector<GameObjectUniformBuffer> uniformBuffers;
    static std::array<VkDescriptorSetLayoutBinding, 3> getDescriptorSetLayoutBindings();
};
 
struct AreaObject
{
    AllocatedBuffer vertexData;
    AllocatedBuffer indexData;
    uint32_t indexCount;
    std::array<AllocatedImage, 6> textures; // 6: blendMap, base and r, g, b, a
    std::array<VkImageView, 6> textureViews;
    VkDescriptorSet descriptorSet;
    static std::array<VkDescriptorSetLayoutBinding, 1> getDescriptorSetLayoutBindings();
};
 
struct TestObject
{
    AllocatedBuffer vertexData;
    AllocatedBuffer indexData;
    uint32_t indexCount;
    std::vector<SimpleUniformBuffer> uniformBuffers;
    static std::array<VkDescriptorSetLayoutBinding, 1> getDescriptorSetLayoutBindings();
};
 
struct LightObject
{
    std::vector<SimpleUniformBuffer> uniformBuffers; // List of light data along with their descriptor sets
    static std::array<VkDescriptorSetLayoutBinding, 1> getDescriptorSetLayoutBindings();
};
 
std::vector<VkVertexInputAttributeDescription> getAttributeDescription(ObjectType objectType);
 
VkVertexInputBindingDescription getBindingDescription(ObjectType objectType);