kshader.h

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#ifndef KSHADER_H
#define KSHADER_H
 
#include "kexport.h"
#include "kdriver.h"
#include "kdatatype.h"
 
#include <iostream>
#include <string>
#include <vector>
#include <fstream>
 
namespace kemena
{
 

    struct KEMENA3D_API kShaderSource
    {
        kString vertex;   
        kString geometry; 
        kString fragment; 
    };

    class KEMENA3D_API kShader
    {
    public:
        kShader();

        virtual ~kShader();

        kString readFile(const kString filePath);

        static kShaderSource splitSource(const kString& src);
 
        // --- OpenGL (GLSL) ---------------------------------------------------

        void loadGlslFile(const kString& path);
        void loadGlslCode(const kString& src);

        void loadShadersFile(const kString vertexShaderPath, const kString fragmentShaderPath);
        void loadShadersCode(const char *vertexShaderCode, const char *fragmentShaderCode);
 
        // --- DirectX 11 (HLSL / DXBC) ----------------------------------------

        void loadHlslFileDX11(const kString& path);
        void loadHlslCodeDX11(const kString& src);
 
        // --- DirectX 12 (HLSL / DXIL via DXC) --------------------------------

        void loadHlslFileDX12(const kString& path);
        void loadHlslCodeDX12(const kString& src);
 
        // --- Vulkan 1.3 (SPIR-V) ---------------------------------------------

        void loadSpirvFile(const kString& path);
        void loadSpirvCode(const kString& src);
        void loadSpirvBinary(const std::vector<uint8_t>& vertSpv, const std::vector<uint8_t>& fragSpv);
 
        // --- Metal (via MoltenVK / metal-cpp) --------------------------------

        void loadMetalFile(const kString& path);
        void loadMetalCode(const kString& src);

        void use();

        void unuse();

        void setShaderProgram(uint32_t program);

        uint32_t getShaderProgram();

        void setValue(kString name, std::vector<kMat4> value);
        void setValue(kString name, kMat4 value);
        void setValue(kString name, kVec4 value);
        void setValue(kString name, kVec3 value);
        void setValue(kString name, kVec2 value);
        void setValue(kString name, float value);
        void setValue(kString name, int value);
        void setValue(kString name, unsigned int value);
        void setValue(kString name, bool value);
 
    protected:
    private:
        uint32_t shaderProgram = 0; 
    };
}
 
#endif // KSHADER_H