Public API Reference

csplugincommon/softshader/scanline.h

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/*
    Copyright (C) 2005 by Jorrit Tyberghein
              (C) 2005 by Frank Richter

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef __CS_CSPLUGINCOMMON_SOFTSHADER_SCANLINE_H__
#define __CS_CSPLUGINCOMMON_SOFTSHADER_SCANLINE_H__

#include "ivideo/rendermesh.h"

#include "texture.h"
#include "types.h"

namespace CS
{
namespace PluginCommon
{
  namespace SoftShader
  {
    struct iScanlineRenderer : public virtual iBase
    {
    public:
      SCF_INTERFACE(iScanlineRenderer, 0, 1, 0);
    
      typedef void (*ScanlineProc) (iScanlineRenderer* _This,
        InterpolateEdgePersp& L, InterpolateEdgePersp& R, 
        int ipolStep, int ipolShift,
        uint32* dest, uint len, uint32 *zbuff);
  
      struct RenderInfoMesh
      {
        iScanlineRenderer* renderer;
        BuffersMask desiredBuffers;
        const size_t* bufferComps;
      };

      struct RenderInfoTriangle
      {
        ScanlineProc proc;
        csVector4* denormFactors;
        BuffersMask denormBuffers;
      };

      virtual bool SetupMesh (TexturesMask availableTextures,
        BuffersMask availableBuffers, const csRenderMeshModes& modes,
        bool needColors, RenderInfoMesh& renderInfoMesh) = 0;
      virtual bool SetupTriangle (SoftwareTexture** textures,
        const RenderInfoMesh& renderInfoMesh,
        RenderInfoTriangle& renderInfoTri) = 0;
    };

    struct iDefaultScanlineRenderer : public virtual iBase
    {
    public:
      SCF_INTERFACE(iDefaultScanlineRenderer, 0, 1, 1);

      virtual void SetFlatColor (const csVector4& v) = 0;
      virtual void SetShift (int rgbShift, int alphaShift) = 0;
      virtual void SetColorSum (bool enable) = 0;
    };
  } // namespace SoftShader
} // namespace PluginCommon
} // namespace CS

#endif // __CS_CSPLUGINCOMMON_SOFTSHADER_SCANLINE_H__

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