OpenGLBuffer.h

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#pragma once
 
#include "Karma/Renderer/Buffer.h"
 
namespace Karma
{
    class KARMA_API OpenGLVertexBuffer : public VertexBuffer
    {
    public:
        OpenGLVertexBuffer(float* vertices, uint32_t size);

        virtual ~OpenGLVertexBuffer();

        virtual void Bind() const override;

        virtual void UnBind() const override;

        virtual const BufferLayout& GetLayout() const override
        {
            return m_Layout;
        }

        virtual void SetLayout(const BufferLayout& layout) override;
 
    private:
        uint32_t m_RendererID;
        BufferLayout m_Layout;
    };

    class KARMA_API OpenGLIndexBuffer : public IndexBuffer
    {
    public:
        OpenGLIndexBuffer(uint32_t* indices, uint32_t count);

        virtual ~OpenGLIndexBuffer();

        virtual void Bind() const override;

        virtual void UnBind() const override;

        virtual uint32_t GetCount() const override { return m_Count; }
 
    private:
        uint32_t m_RendererID;
        uint32_t m_Count;
    };

    class KARMA_API OpenGLImageBuffer : public ImageBuffer
    {
    public:
        static void SetUpImageBuffer(const char* filename);

        static void BindTexture();// Experimental, need right OpenGLTexture abstraction
 
    private:
        static unsigned int m_ImageBufferID;
    };

    struct KARMA_API OpenGLUniformBuffer : public UniformBufferObject
    {
    public:
        OpenGLUniformBuffer(std::vector<ShaderDataType> dataTypes, uint32_t bindingPointIndex);

        uint32_t GetUniformsID() const { return m_UniformsID; }

        virtual ~OpenGLUniformBuffer();

        virtual void UploadUniformBuffer(size_t frameIndex) override;
 
    private:
        void GenerateUniformBufferObject();

        void BindUniformBufferObject() const;
 
    private:
        uint32_t m_UniformsID;
    };
}