TextureShader.h

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#ifndef ULT_TEXTURE_SHADER_H_INCLUDED
#define ULT_TEXTURE_SHADER_H_INCLUDED
 
#include "Effect.h"
#include "../Renderer/RenderInterface.h"
 
namespace Ult
{

class TextureShader : public Effect
{
public:

    TextureShader(
        const char* vs, const char* ps, const char* decalFile,
        std::vector<FilterType>* filters,
        RenderInterface* renderer)
    {
        mRenderer = renderer;
        assert(mRenderer);
        mRenderer->LoadTexFromFile(decalFile, ULT_TEX2D_TYPE, &mDecalTexture);
        mRenderer->ApplyFilters(mDecalTexture, filters);
        mRenderer->CreateShaderFromFile(vs, ps, &mShader);
        mRenderer->SetupShaderParameter("mvp", mShader, &mMvpParam);
        mRenderer->SetupShaderParameter("decal", mShader, &mDecalParam);
    }

    ~TextureShader()
    {}

    void ApplyEffect()
    {
        mRenderer->ApplyShader(mShader);
        mRenderer->SetShaderParameter1i(mDecalParam, 0);
        mRenderer->ApplyTexture(0, mDecalTexture);
    }

    void Release()
    {
        mRenderer->DeleteTexture(mDecalTexture);
    }
 
protected:
    ShaderHandle mShader;
    ParameterHandle mMvpParam;
    ParameterHandle mDecalParam;
 
    Texture mDecalTexture;
 
    RenderInterface* mRenderer;
};
 
} // namespace Ult
 
#endif // ULT_TEXTURE_SHADER_H_INCLUDED