#ifndef _RENDERERRAVEN_OPENGL_H
#define _RENDERERRAVEN_OPENGL_H

#include "common.h"

#include "renderer.h"
#include "vertexbuffer_vbo.h"
#include "rendertarget_fbo.h"

#include "font_opengl.h"
#include "texture_opengl.h"
#include "shader_glsl.h"

class RendererOpenGL: public Renderer
{
private:
	virtual void UpdateGLState();

	int materialfaces;
	double orthmat[16];
	int geomattrib;
	int geomtexdef;
	bool geomrun,nd,cd,td;
public:
	RendererOpenGL(Core *core);
	virtual ~RendererOpenGL() {}

	virtual void TargetViewport(const Viewport &vp);
	virtual Viewport TargetViewport();

	virtual void PushProjection();
	virtual void LoadProjection(const Matrix4x4 &mat);
	virtual void LoadProjection(const Projection &proj);
	virtual void MultProjection(Matrix4x4 &mat);
	virtual void PopProjection();

	virtual void PushModelView();
	virtual void LoadModelView(const Matrix4x4 &mat);
	virtual void MultModelView(const Matrix4x4 &mat);
	virtual void PopModelView();

	virtual bool BeginScene(bool clearcolor,bool cleardepth,Vector4 color);
	virtual bool EndScene(bool flip);

	virtual void SetCullMode(CullMode mode);
	virtual CullMode GetCullMode();

	virtual void State(int state,bool on);

	virtual void Blend(BlendMode mode,float mask=0.5f);
	virtual void BlendMask(float mask);

	virtual void Material(const RenderMaterial &material);

	virtual bool EnableLight(int slot,Light *light);
	virtual bool DisableLight(int slot);

	virtual VertexBuffer *CreateVertexBuffer(int attribs);
	virtual bool RenderVertexBuffer(VertexBuffer *buf,GeometryType geomtype);

	virtual bool BeginGeometry(int attribs,int numtextures,GeometryType geomtype);
	virtual void GeometryVertex(const Vector3 &vert);
	virtual void GeometryNormal(const Vector3 &norm);
	virtual void GeometryColor(const Vector4 &color);
	virtual void GeometryTexCoord(const Vector2 &texcoord,int idx);
	virtual bool EndGeometry();

	virtual RenderTarget *CreateRenderTargetColorTexture(SamplerState samp,int po2lev,bool floatformat=false);
	virtual RenderTarget *CreateRenderTargetDepthTexture(SamplerState samp,int po2lev) {return NULL;}
	virtual bool BindRenderTarget(RenderTarget *target);

	virtual Texture *CreateTexture(Pixelmap *image,SamplerState samp,unsigned int flags);

	virtual FontBase *LoadFont(const char *file,int pt);
	virtual FontBase *LoadFont(const char *file);

	virtual ShaderProgram *LoadShader(const char *dir,const char *name,bool hasfrag);

	virtual bool RenderText(FontBase *font,int x,int y,const char *text);
};

#endif