OpenGLShader.h

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#pragma once
 
#include "krpch.h"
 
#include "Karma/Renderer/Shader.h"
#include "glad/glad.h"
#include "Karma/KarmaUtilities.h"
 
namespace Karma
{
    struct OpenGLUniformBuffer;

    class KARMA_API OpenGLShader : public Shader
    {
    public:
        OpenGLShader(const std::string& vertexSrc, const std::string& fragmentSrc);

        OpenGLShader(const std::string& vertexSrcFile, const std::string& fragmentSrcFile, std::shared_ptr<UniformBufferObject> ubo,
            const std::string& shaderName);

        virtual ~OpenGLShader() override;

        virtual void Bind() const override;

        virtual void Bind(const std::string& texShaderName) const override;

        virtual void UnBind() const override;

        void UploadUniformMat4(const std::string& name, const glm::mat4& matrix);
 
    private:
        void Compile(const std::unordered_map<GLenum, std::string>& shaderSources);
 
    private:
        // OpenGL's identification scheme
        uint32_t m_RendererID;
        std::shared_ptr<OpenGLUniformBuffer> m_UniformBufferObject;
    };
}