EZRShaderBaseImplementation.h

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#pragma once
 
#include <tdme/tdme.h>
#include <tdme/engine/fwd-tdme.h>
#include <tdme/engine/subsystems/earlyzrejection/fwd-tdme.h>
#include <tdme/engine/subsystems/earlyzrejection/EZRShaderImplementation.h>
#include <tdme/engine/subsystems/renderer/fwd-tdme.h>
#include <tdme/math/fwd-tdme.h>
 
using tdme::engine::subsystems::earlyzrejection::EZRShaderImplementation;
using tdme::engine::subsystems::renderer::Renderer;
using tdme::engine::Engine;
using tdme::math::Matrix4x4;
 
/**
 * Early z rejection shader base class
 * @author Andreas Drewke
 * @version $Id$
 */
class tdme::engine::subsystems::earlyzrejection::EZRShaderBaseImplementation: public EZRShaderImplementation
{
protected:
    Renderer* renderer { nullptr };
    int32_t vertexShaderId { -1 };
    int32_t geometryShaderId { -1 };
    int32_t fragmentShaderId {-1 };
    int32_t programId { -1 };
    int32_t uniformProjectionMatrix { -1 };
    int32_t uniformCameraMatrix { -1 };
    int32_t uniformMVPMatrix { -1 };
    int32_t uniformTextureMatrix { -1 };
    int32_t uniformTextureAtlasSize { -1 };
    int32_t uniformTextureAtlasPixelDimension { -1 };
    int32_t uniformDiffuseTextureUnit { -1 };
    int32_t uniformDiffuseTextureAvailable { -1 };
    int32_t uniformDiffuseTextureMaskedTransparency { -1 };
    int32_t uniformDiffuseTextureMaskedTransparencyThreshold { -1 };
    int32_t uniformFrame { -1 };
    bool initialized { false };
 
public:
    /**
     * Constructor
     * @param renderer renderer
     */
    EZRShaderBaseImplementation(Renderer* renderer);
 
    /**
     * Destructor
     */
    ~EZRShaderBaseImplementation();
 
    // overridden methods
    virtual bool isInitialized() override;
    virtual void initialize() override;
    virtual void useProgram(Engine* engine, int contextIdx) override;
    virtual void unUseProgram(int contextIdx) override;
    virtual void updateMatrices(Renderer* renderer, int contextIdx) override;
    virtual void updateTextureMatrix(Renderer* renderer, int contextIdx) override;
    virtual void updateMaterial(Renderer* renderer, int contextIdx) override;
    virtual void updateShaderParameters(Renderer* renderer, int contextIdx) override = 0;
    virtual void bindTexture(Renderer* renderer, int contextIdx, int32_t textureId) override;
 
};