Gnash 0.8.10dev
Renderer_ogl.h
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00001 // 
00002 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
00003 //   Free Software Foundation, Inc
00004 // 
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation; either version 3 of the License, or
00008 // (at your option) any later version.
00009 // 
00010 // This program 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
00013 // GNU General Public License for more details.
00014 // 
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program; if not, write to the Free Software
00017 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
00018 
00019 #ifndef GNASH_RENDER_HANDLER_OGL_H
00020 #define GNASH_RENDER_HANDLER_OGL_H
00021 
00022 
00023 #if defined(NOT_SGI_GL) || defined(__APPLE_CC__)
00024 # ifdef __APPLE_CC__
00025 # include <AGL/agl.h>
00026 # endif
00027 #include <vector>
00028 #include <OpenGL/gl.h>
00029 #include <OpenGL/glu.h>
00030 #include <OpenGL/glext.h>
00031 # if defined(__APPLE_CC__) && (__APPLE_CC__ >= 5465)
00032 # define GLUCALLBACKTYPE GLvoid (*)()
00033 # else
00034 # define GLUCALLBACKTYPE GLvoid (*)(...)
00035 # endif
00036 #else
00037 # define GLUCALLBACKTYPE void (*)()
00038 # include <GL/gl.h>
00039 # ifdef WIN32
00040 #  define GL_CLAMP_TO_EDGE 0x812F
00041 # else
00042 # include <GL/glx.h>
00043 # ifdef OSMESA_TESTING
00044 #  include <GL/osmesa.h>
00045 # endif // OSMESA_TESTING
00046 # endif
00047 # include <GL/glu.h>
00048 # ifndef APIENTRY
00049 #  define APIENTRY
00050 # endif
00051 #endif
00052 
00053 #include "Renderer.h"
00054 #include "Geometry.h"
00055 #include "CachedBitmap.h"
00056 
00057 #include <map>
00058 
00059 
00060 namespace gnash {
00061 
00062 
00063 
00064 
00065 typedef std::vector<const Path*> PathRefs;
00066 
00067 
00068 
00069 struct oglVertex {
00070   oglVertex(double x, double y, double z = 0.0)
00071     : _x(x), _y(y), _z(z)
00072   {
00073   }
00074   
00075   oglVertex(const point& p)
00076     : _x(p.x), _y(p.y), _z(0.0)
00077   {
00078   }
00079 
00080   GLdouble _x;
00081   GLdouble _y;
00082   GLdouble _z;
00083 };
00084 
00085 typedef std::map<const Path*, std::vector<oglVertex> > PathPointMap;
00086 
00087 class Tesselator
00088 {
00089 public:
00090   Tesselator();  
00091   ~Tesselator();
00092   
00093   void beginPolygon();
00094   
00095   void feed(std::vector<oglVertex>& vertices);
00096   
00097   void tesselate();
00098   
00099   void beginContour();
00100   void endContour();
00101   
00102   void rememberVertex(GLdouble* v);
00103   
00104   static void
00105   error(GLenum error);
00106 
00107   static void combine(GLdouble coords [3], void *vertex_data[4],
00108                       GLfloat weight[4], void **outData, void* userdata);
00109   
00110 
00111   
00112 private:
00113   std::vector<GLdouble*> _vertices;
00114   GLUtesselator* _tessobj;
00115 };
00116 
00117 class WholeShape
00118 {
00119 public:
00120   void newPath(const Path& new_path)
00121   {
00122     PathRefs refs;
00123     refs.push_back(&new_path);
00124     
00125     shape.push_back(refs);
00126   }
00127   
00128   void addPath(const Path& add_path)
00129   {
00130     PathRefs& refs = shape.back();
00131     refs.push_back(&add_path);
00132   }
00133   
00134   void addPathRefs(const PathRefs& pathrefs)
00135   {
00136   
00137     PathRefs new_refs(pathrefs.begin(), pathrefs.end());
00138     
00139     shape.push_back(new_refs);
00140   }
00141   
00142   
00143   const std::vector<PathRefs>& get() const
00144   {
00145     return shape;
00146   }
00147   
00148 private:
00149   std::vector<PathRefs> shape;
00150 
00151 };
00152 
00153 
00154 
00155 
00156 DSOEXPORT Renderer* create_Renderer_ogl(bool init = true);
00157 
00158 
00159 
00160 } // namespace gnash
00161 
00162 
00163 #endif
00164