Texture2DRenderShader.h

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#pragma once
 
#include <tdme/tdme.h>
#include <tdme/engine/fwd-tdme.h>
#include <tdme/engine/subsystems/renderer/fwd-tdme.h>
#include <tdme/engine/subsystems/texture2D/fwd-tdme.h>
#include <tdme/math/Vector2.h>
 
using tdme::engine::subsystems::renderer::Renderer;
 
using tdme::engine::Engine;
using tdme::math::Vector2;
 
/**
 * Texture 2D render shader
 * @author Andreas Drewke
 * @version $Id$
 */
class tdme::engine::subsystems::texture2D::Texture2DRenderShader final
{
 
private:
    Renderer* renderer { nullptr };
    int32_t vertexShaderId { -1 };
    int32_t fragmentShaderId { -1 };
    int32_t programId { -1 };
    int32_t uniformTextureUnit { -1 };
    int32_t vboVertices { -1 };
    int32_t vboTextureCoordinates {-1  };
    bool initialized;
    bool isRunning;
 
public:
    /**
     * Public constructor
     * @param renderer renderer
     */
    Texture2DRenderShader(Renderer* renderer);
 
    /**
     * Public destructor
     */
    ~Texture2DRenderShader();
 
    /**
     * @return if initialized and ready to use
     */
    bool isInitialized();
 
    /**
     * Initialize
     */
    void initialize();
 
    /**
     * Use render program
     */
    void useProgram();
 
    /**
     * Un use render program
     */
    void unUseProgram();
 
    /**
     * Render texture
     * @param engine engine to use
     * @param position 2D position on screen
     * @param dimension 2D dimenson on screen
     * @param textureId texture id
     * @param width optional render target width
     * @param height optional render target height
     */
    void renderTexture(Engine* engine, const Vector2& position, const Vector2& dimension, int textureId, int width = -1, int height = -1);
 
};