RTVolumeRendering/Source/Shader.h

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#ifndef SHADER_H
#define SHADER_H

#include <gl/glew.h>

class PixelShader
{
public:
        PixelShader();
        
        ~PixelShader();
        
        bool Load(const char *file);

        bool LoadFromMemory(const char *src);
        
        GLuint GetShaderID() const { return shader; }
        
protected:
        GLuint shader;
};

class VertexShader
{
public:
        VertexShader();
        
        ~VertexShader();
        
        bool Load(const char *file);

        bool LoadFromMemory(const char *src);
        
        GLuint GetShaderID() const { return shader; }
        
protected:
        GLuint shader;
};

class ShaderProgram
{
public:
        ShaderProgram();
        
        ~ShaderProgram();
        
        bool Load(const char *vertexFile, const char *pixelFile);

        bool LoadFromMemory(const char *vertexSrc, const char *pixelSrc);
        
        void Attach();
        
        void Detach();
        
        void SetTexture(GLuint texID, const char *name);

        void SetVector(float x, float y, float z, const char *name);
        
        void SetFloat(float val, const char *name);
        
        VertexShader &GetVertexShader() { return vshader; }
        
        PixelShader &GetPixelShader() { return pshader; }
        
protected:

        bool CreateShaderProgram();

        VertexShader vshader;
        PixelShader pshader;
        
        GLuint program;
};

#endif

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