E:/framework - Kopie/src/PostProcessingShader.h

#include "common.h"
#include "AbstractShader.h"


class PostProcessingShaderObj
{
public:
        GLuint shaderID;
        GLuint Texture;
        GLuint lightPos;
        GLuint weight;
        GLuint exposure;
        GLuint density;
        GLuint decay;
};


class PostProcessingShader : public AbstractShader
{
public:
        PostProcessingShader()
        {
                gTransformQuadric = createShader("ls.vert","ls.frag");
        };

        ~PostProcessingShader()
        {
                glDeleteShader(gTransformQuadric.shaderID);
        };

        PostProcessingShaderObj createShader(const char* vertexshadername, const char* fragmentshadername)
        {
                PostProcessingShaderObj shaderID;
                GLhandleARB vertexShaderHandle;
                GLhandleARB fragmentShaderHandle;
                vertexShaderHandle   = loadShader(vertexshadername,GL_VERTEX_SHADER);
                fragmentShaderHandle = loadShader(fragmentshadername,GL_FRAGMENT_SHADER);
                shaderID.shaderID = glCreateProgramObjectARB();
                glAttachObjectARB(shaderID.shaderID,vertexShaderHandle);
                glAttachObjectARB(shaderID.shaderID,fragmentShaderHandle);
                glLinkProgramARB(shaderID.shaderID);

                shaderID.Texture = glGetUniformLocationARB(shaderID.shaderID,"Texture");
                shaderID.lightPos = glGetUniformLocationARB(shaderID.shaderID,"lightPos");
                shaderID.weight = glGetUniformLocationARB(shaderID.shaderID,"weight");
                shaderID.exposure = glGetUniformLocationARB(shaderID.shaderID,"exposure");
                shaderID.density = glGetUniformLocationARB(shaderID.shaderID,"density");
                shaderID.decay = glGetUniformLocationARB(shaderID.shaderID, "decay");

                return shaderID;
        }

        /*
        void start(Vector lightPos, float weight, float exposure, float decay,float density )
        {
                PostProcessingShaderObj Shader = gTransformQuadric;
                
                glUseProgramObjectARB(Shader.shaderID);
                glUniform1iARB(Shader.Texture, 0);
                glUniform2fARB(Shader.lightPos, lightPos.GetX(), lightPos.GetY());
                glUniform1fARB(Shader.weight,weight);
                glUniform1fARB(Shader.exposure,exposure);
                glUniform1fARB(Shader.density ,density );
                glUniform1fARB(Shader.decay,decay);
        };

        void stop()
        {
                glUseProgramObjectARB(0);
        };*/

private:
        PostProcessingShaderObj gTransformQuadric;
};