Crystal Space: csplugincommon/softshader/scanline.h Source File (Crystal Space Public API Reference)

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# csplugincommon/softshader/scanline.h

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    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 CS
    00036 {
    00037 namespace PluginCommon
    00038 {
    00039   namespace SoftShader
    00040   {
    00044     struct iScanlineRenderer : public virtual iBase
    00045     {
    00046     public:
    00047       SCF_INTERFACE(iScanlineRenderer, 0, 1, 0);
    00048
    00062       typedef void (*ScanlineProc) (iScanlineRenderer* _This,
    00063         InterpolateEdgePersp& L, InterpolateEdgePersp& R,
    00064         int ipolStep, int ipolShift,
    00065         uint32* dest, uint len, uint32 *zbuff);
    00066
    00071       struct RenderInfoMesh
    00072       {
    00074         iScanlineRenderer* renderer;
    00076         BuffersMask desiredBuffers;
    00078         const size_t* bufferComps;
    00079       };
    00080
    00085       struct RenderInfoTriangle
    00086       {
    00088         ScanlineProc proc;
    00090         csVector4* denormFactors;
    00092         BuffersMask denormBuffers;
    00093       };
    00094
    00099       virtual bool SetupMesh (TexturesMask availableTextures,
    00100         BuffersMask availableBuffers, const csRenderMeshModes& modes,
    00101         bool needColors, RenderInfoMesh& renderInfoMesh) = 0;
    00106       virtual bool SetupTriangle (SoftwareTexture** textures,
    00107         const RenderInfoMesh& renderInfoMesh,
    00108         RenderInfoTriangle& renderInfoTri) = 0;
    00109     };
    00110
    00114     struct iDefaultScanlineRenderer : public virtual iBase
    00115     {
    00116     public:
    00117       SCF_INTERFACE(iDefaultScanlineRenderer, 0, 1, 1);
    00118
    00122       virtual void SetFlatColor (const csVector4& v) = 0;
    00129       virtual void SetShift (int rgbShift, int alphaShift) = 0;
    00131       virtual void SetColorSum (bool enable) = 0;
    00132     };
    00133   } // namespace SoftShader
    00134 } // namespace PluginCommon
    00135 } // namespace CS
    00136
    00139 #endif // __CS_CSPLUGINCOMMON_SOFTSHADER_SCANLINE_H__