csplugincommon/softshader/scanline.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2005 by Jorrit Tyberghein 00003 (C) 2005 by Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSPLUGINCOMMON_SOFTSHADER_SCANLINE_H__ 00021 #define __CS_CSPLUGINCOMMON_SOFTSHADER_SCANLINE_H__ 00022 00027 #include "ivideo/rendermesh.h" 00028 00029 #include "texture.h" 00030 #include "types.h" 00031 00035 namespace CrystalSpace 00036 { 00037 namespace SoftShader 00038 { 00042 struct iScanlineRenderer : public virtual iBase 00043 { 00044 public: 00045 SCF_INTERFACE(iScanlineRenderer, 0, 1, 0); 00046 00060 typedef void (*ScanlineProc) (iScanlineRenderer* _This, 00061 InterpolateEdgePersp& L, InterpolateEdgePersp& R, 00062 int ipolStep, int ipolShift, 00063 uint32* dest, uint len, uint32 *zbuff); 00064 00069 struct RenderInfoMesh 00070 { 00072 iScanlineRenderer* renderer; 00074 BuffersMask desiredBuffers; 00076 const size_t* bufferComps; 00077 }; 00078 00083 struct RenderInfoTriangle 00084 { 00086 ScanlineProc proc; 00088 csVector4* denormFactors; 00090 BuffersMask denormBuffers; 00091 }; 00092 00097 virtual bool SetupMesh (TexturesMask availableTextures, 00098 BuffersMask availableBuffers, const csRenderMeshModes& modes, 00099 bool needColors, RenderInfoMesh& renderInfoMesh) = 0; 00104 virtual bool SetupTriangle (SoftwareTexture** textures, 00105 const RenderInfoMesh& renderInfoMesh, 00106 RenderInfoTriangle& renderInfoTri) = 0; 00107 }; 00108 00112 struct iDefaultScanlineRenderer : public virtual iBase 00113 { 00114 public: 00115 SCF_INTERFACE(iDefaultScanlineRenderer, 0, 1, 0); 00116 00120 virtual void SetFlatColor (const csVector4& v) = 0; 00127 virtual void SetShift (int rgbShift, int alphaShift) = 0; 00128 }; 00129 } // namespace SoftShader 00130 } // namespace CrystalSpace 00131 00134 #endif // __CS_CSPLUGINCOMMON_SOFTSHADER_SCANLINE_H__
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