ShadowMapCreationShaderImplementation.h

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#pragma once
 
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/engine/fwd-tdme.h>
#include <tdme/engine/subsystems/renderer/fwd-tdme.h>
#include <tdme/engine/subsystems/shadowmapping/fwd-tdme.h>
#include <tdme/math/fwd-tdme.h>
 
using std::string;
 
using tdme::engine::subsystems::renderer::Renderer;
using tdme::engine::Engine;
using tdme::math::Matrix4x4;
 
/**
 * Pre shadow mapping shader for create shadow map
 * @author Andreas Drewke
 */
struct tdme::engine::subsystems::shadowmapping::ShadowMapCreationShaderImplementation
{
    /**
     * Destructor
     */
    virtual ~ShadowMapCreationShaderImplementation() {}
 
    /**
     * @return shader id
     */
    virtual const string getId() = 0;
 
    /**
     * @return if initialized and ready to use
     */
    virtual bool isInitialized() = 0;
 
    /**
     * Init shadow map creation program
     */
    virtual void initialize() = 0;
 
    /**
     * Use shadow map creation program
     * @param engine engine
     * @param contextIdx context index
     */
    virtual void useProgram(Engine* engine, int contextIdx) = 0;
 
    /**
     * Unuse shadow map creation program
     * @param contextIdx context index
     */
    virtual void unUseProgram(int contextIdx) = 0;
 
    /**
     * Set up program matrices
     * @param contextIdx context index
     */
    virtual void updateMatrices(int contextIdx) = 0;
 
    /**
     * Set up program texture matrix
     * @param renderer renderer
     * @param contextIdx context index
     */
    virtual void updateTextureMatrix(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Update material
     * @param renderer renderer
     * @param contextIdx context index
     */
    virtual void updateMaterial(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Update shader parameters
     * @param renderer renderer
     * @param contextIdx context index
     */
    virtual void updateShaderParameters(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Bind texture
     * @param renderer renderer
     * @param contextIdx context index
     * @param textureId texture id
     */
    virtual void bindTexture(Renderer* renderer, int contextIdx, int32_t textureId) = 0;
 
    /**
     * Unload textures
     */
    virtual void unloadTextures() = 0;
 
    /**
     * Load textures
     * @param pathName path name
     */
    virtual void loadTextures(const string& pathName) = 0;
 
};