Program Listing for File GraphicsDefines.hpp

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#pragma once

#include <cstdint>

namespace ramus
{

    enum class ShaderDataType {
        None = 0, Float, Float2, Float3, Float4, Mat3, Mat4, Int, Int2, Int3, Int4, Bool
    };

    static uint32_t ShaderDataTypeSize(ShaderDataType type)
    {
        switch (type)
        {
            case ShaderDataType::Float:    return 4;
            case ShaderDataType::Float2:   return 4 * 2;
            case ShaderDataType::Float3:   return 4 * 3;
            case ShaderDataType::Float4:   return 4 * 4;
            case ShaderDataType::Mat3:     return 4 * 3 * 3;
            case ShaderDataType::Mat4:     return 4 * 4 * 4;
            case ShaderDataType::Int:      return 4;
            case ShaderDataType::Int2:     return 4 * 2;
            case ShaderDataType::Int3:     return 4 * 3;
            case ShaderDataType::Int4:     return 4 * 4;
            case ShaderDataType::Bool:     return 1;
        }
        return 0;
    }

    static uint32_t GetShaderDataTypeComponentCount(ShaderDataType type)
    {
        switch (type)
        {
            case ShaderDataType::Float:    return 1;
            case ShaderDataType::Float2:   return 2;
            case ShaderDataType::Float3:   return 3;
            case ShaderDataType::Float4:   return 4;
            case ShaderDataType::Mat3:     return 3 * 3;
            case ShaderDataType::Mat4:     return 4 * 4;
            case ShaderDataType::Int:      return 1;
            case ShaderDataType::Int2:     return 2;
            case ShaderDataType::Int3:     return 3;
            case ShaderDataType::Int4:     return 4;
            case ShaderDataType::Bool:     return 1;
        }
        return 0;
    }
}