RageDisplay_OGL.h

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/* RageDisplay_OGL: OpenGL display implementation */

#ifndef RAGEDISPLAY_OGL_H
#define RAGEDISPLAY_OGL_H

class RageDisplay_OGL: public RageDisplay
{
public:
        RageDisplay_OGL();
        virtual ~RageDisplay_OGL();
        CString Init( VideoModeParams p, bool bAllowUnacceleratedRenderer );
        void Update(float fDeltaTime);

        bool IsSoftwareRenderer();
        void ResolutionChanged();
        const PixelFormatDesc *GetPixelFormatDesc(PixelFormat pf) const;

        bool BeginFrame();      
        void EndFrame();
        VideoModeParams GetVideoModeParams() const;
        void SetBlendMode( BlendMode mode );
        bool SupportsTextureFormat( PixelFormat pixfmt, bool realtime=false );
        unsigned CreateTexture( 
                PixelFormat pixfmt, 
                RageSurface* img,
                bool bGenerateMipMaps );
        void UpdateTexture( 
                unsigned uTexHandle, 
                RageSurface* img,
                int xoffset, int yoffset, int width, int height 
                );
        void DeleteTexture( unsigned uTexHandle );
        void ClearAllTextures();
        int GetNumTextureUnits();
        void SetTexture( int iTextureUnitIndex, RageTexture* pTexture );
        void SetTextureModeModulate();
        void SetTextureModeGlow();
        void SetTextureModeAdd();
        void SetTextureWrapping( bool b );
        int GetMaxTextureSize() const;
        void SetTextureFiltering( bool b);
        bool IsZWriteEnabled() const;
        bool IsZTestEnabled() const;
        void SetZWrite( bool b );
        void SetZTestMode( ZTestMode mode );
        void ClearZBuffer();
        void SetCullMode( CullMode mode );
        void SetAlphaTest( bool b );
        void SetMaterial( 
                const RageColor &emissive,
                const RageColor &ambient,
                const RageColor &diffuse,
                const RageColor &specular,
                float shininess
                );
        void SetLighting( bool b );
        void SetLightOff( int index );
        void SetLightDirectional( 
                int index, 
                const RageColor &ambient, 
                const RageColor &diffuse, 
                const RageColor &specular, 
                const RageVector3 &dir );

        void SetSphereEnvironmentMapping( bool b );

        RageCompiledGeometry* CreateCompiledGeometry();
        void DeleteCompiledGeometry( RageCompiledGeometry* p );

        // hacks for cell-shaded models
        virtual void SetPolygonMode( PolygonMode pm );
        virtual void SetLineWidth( float fWidth );

        CString GetTextureDiagnostics( unsigned id ) const;

protected:
        void DrawQuadsInternal( const RageSpriteVertex v[], int iNumVerts );
        void DrawQuadStripInternal( const RageSpriteVertex v[], int iNumVerts );
        void DrawFanInternal( const RageSpriteVertex v[], int iNumVerts );
        void DrawStripInternal( const RageSpriteVertex v[], int iNumVerts );
        void DrawTrianglesInternal( const RageSpriteVertex v[], int iNumVerts );
        void DrawCompiledGeometryInternal( const RageCompiledGeometry *p, int iMeshIndex );
        void DrawLineStripInternal( const RageSpriteVertex v[], int iNumVerts, float LineWidth );

        CString TryVideoMode( VideoModeParams params, bool &bNewDeviceOut );
        RageSurface* CreateScreenshot();
        void SetViewport(int shift_left, int shift_down);
        PixelFormat GetImgPixelFormat( RageSurface* &img, bool &FreeImg, int width, int height, bool bPalettedTexture );
        bool SupportsSurfaceFormat( PixelFormat pixfmt );
        
        void SendCurrentMatrices();
};

#endif

/*
 * Copyright (c) 2001-2004 Chris Danford, Glenn Maynard
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons to
 * whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
 * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
 * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
 * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

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