IUI_Renderer.h

#ifndef IUI_RENDERER_H
#define IUI_RENDERER_H

#include "UI_Lib.h"
#include "UI_types.h"
#include "IUI_Shader.h"
#include "IUI_Texture.h"

#define UI_NUM_PRIMITIVES       4

#define UI_POLYGON              0
#define UI_QUADS                1
#define UI_TRIANGLES    2
#define UI_LINE_LOOP    3


class GLGUI_ENTRY IUI_Renderer
{
public:

        virtual bool BeginRendering( double dtime ) = 0;


        virtual bool SetShader( IUI_Shader *shader ) = 0;


        virtual bool RenderToArea( float minx, float miny, float maxx, float maxy, bool restrict = false ) = 0;

        virtual bool RenderToPrevArea( bool restrict = false ) = 0;


        virtual bool RenderUnitQuad( void ) = 0;


        virtual bool RenderPrimitive( unsigned short type, v2_f *vlist, v2_f *texcoords, int numvert ) = 0;

        virtual bool SetFade( float fade ) = 0;

        virtual float GetFade( ) = 0;


        //
        // new methods supplied for procedural shaders
        //

        virtual bool SetTexture(int textureID) = 0;

        virtual bool SetColor(v4_f color) = 0;

        virtual IUI_Texture* CreateTexture(int width, int height, int filtering, bool renderable) = 0;

        virtual bool UpdateTexture(int texid, int xoffset, int yoffset, int width, int height, void *data) = 0;

        // ! Load a texture and return texture object
        virtual IUI_Texture* LoadTextureNew(char* file) = 0;

        // ! Clear current buffers
        virtual void ClearBuffer(bool clearDepth, bool clearColor, float depth) = 0;


        virtual void EndRendering( ) = 0;

private:
};

#endif

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