[OpenGL# CVS] csdOpenGL/Cg demo.cs,1.4,1.5

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Update of /cvsroot/csdopenglnet/csdOpenGL/Cg
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9811/Cg

Modified Files:
	demo.cs 
Log Message:
first Cg example is running


Index: demo.cs
===================================================================
RCS file: /cvsroot/csdopenglnet/csdOpenGL/Cg/demo.cs,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** demo.cs	7 Aug 2004 06:58:39 -0000	1.4
--- demo.cs	13 Aug 2004 08:26:43 -0000	1.5
***************
*** 14,19 ****
    protected bool haveLoadedPrograms = false;
    protected int res=512;
!   protected float[] P, N, uv;
!   protected uint[] indices;
    
    public Demo() {
--- 14,21 ----
    protected bool haveLoadedPrograms = false;
    protected int res=512;
!   protected float[] P = null;
!   protected float[] N = null;
!   protected float[] uv = null;
!   protected uint[] indices = null;
    
    public Demo() {
***************
*** 37,40 ****
--- 39,43 ----
      
      Debug.WriteLine( "Exiting Demo()" );
+ 
      Debug.Unindent();
    }
***************
*** 83,93 ****
      glRotatef( curTime, 0, 1, 0 );
      
!     Debug.WriteLine( "Bing Cg programs" );
      cgGLBindProgram( vertexProgram );
      cgGLBindProgram( fragmentProgram );
      
      Debug.WriteLine( "Bind uniform parameters to vertex shader" );
      cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelViewProj"), CGGLenum.CG_GL_MODELVIEW_PROJECTION_MATRIX, CGGLenum.CG_GL_MATRIX_IDENTITY);
      cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelView"), CGGLenum.CG_GL_MODELVIEW_MATRIX, CGGLenum.CG_GL_MATRIX_IDENTITY);
      cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelViewIT"), CGGLenum.CG_GL_MODELVIEW_MATRIX, CGGLenum.CG_GL_MATRIX_INVERSE_TRANSPOSE);
      
--- 86,99 ----
      glRotatef( curTime, 0, 1, 0 );
      
!     Debug.WriteLine( "Bind Cg programs" );
      cgGLBindProgram( vertexProgram );
      cgGLBindProgram( fragmentProgram );
      
      Debug.WriteLine( "Bind uniform parameters to vertex shader" );
+     Debug.WriteLine( "==> ModelViewProj" );
      cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelViewProj"), CGGLenum.CG_GL_MODELVIEW_PROJECTION_MATRIX, CGGLenum.CG_GL_MATRIX_IDENTITY);
+     Debug.WriteLine( "==> ModelView" );
      cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelView"), CGGLenum.CG_GL_MODELVIEW_MATRIX, CGGLenum.CG_GL_MATRIX_IDENTITY);
+     Debug.WriteLine( "==> ModelViewIT" );
      cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelViewIT"), CGGLenum.CG_GL_MODELVIEW_MATRIX, CGGLenum.CG_GL_MATRIX_INVERSE_TRANSPOSE);
      
***************
*** 99,107 ****
  
      Debug.WriteLine( "Bind uniform parameters to fragment shader" );
!     float[] lightPos = { 3, 2, -3 };
      cgGLSetParameter3fv(cgGetNamedParameter(fragmentProgram, "Plight"), lightPos);
!     float[] lightColor = { 1, 1, 1 };
      cgGLSetParameter3fv(cgGetNamedParameter(fragmentProgram, "lightColor"), lightColor);
!     cgGLSetParameter1f(cgGetNamedParameter(fragmentProgram, "shininess"), 40);
  
      Debug.WriteLine( "Enable approprate texture for fragment shader" );
--- 105,116 ----
  
      Debug.WriteLine( "Bind uniform parameters to fragment shader" );
!     float[] lightPos = { 3.0f, 2.0f, -3.0f };
!     float[] lightColor = { 1.0f, 1.0f, 1.0f };
!     Debug.WriteLine( "==> Plight" );
      cgGLSetParameter3fv(cgGetNamedParameter(fragmentProgram, "Plight"), lightPos);
!     Debug.WriteLine( "==> lightColor" );
      cgGLSetParameter3fv(cgGetNamedParameter(fragmentProgram, "lightColor"), lightColor);
!     Debug.WriteLine( "==> shininess" );
!     cgGLSetParameter1f(cgGetNamedParameter(fragmentProgram, "shininess"), 40.0f );
  
      Debug.WriteLine( "Enable approprate texture for fragment shader" );
***************
*** 124,128 ****
    protected void DrawGeometry() {
      Debug.Indent();
!     Debug.WriteLine( "Demo.DrawGeometry()" );
      
      int nu = 30;
--- 133,137 ----
    protected void DrawGeometry() {
      Debug.Indent();
!     Debug.WriteLine( "Entering Demo.DrawGeometry()" );
      
      int nu = 30;
***************
*** 143,151 ****
        Debug.WriteLine( "Fill position, normal and texture coordinate arrays" );
        for ( v=0; v<nv; ++v ) {
!         float fv = (float)(v/(nv-1));
          for (u=0; u<nu; ++u ) {
!           float fu=(float)(u/(nu-1));
            uv[uvp] = fu;
!           uv[uvp+1] = fu;
            parametricEval( fu, fv, pp, np );
            pp += 3;
--- 152,161 ----
        Debug.WriteLine( "Fill position, normal and texture coordinate arrays" );
        for ( v=0; v<nv; ++v ) {
!         float fv = ((float)v)/((float)(nv-1));
!         Console.WriteLine( fv );
          for (u=0; u<nu; ++u ) {
!           float fu= ((float)u) /((float)(nu-1));
            uv[uvp] = fu;
!           uv[uvp+1] = fv;
            parametricEval( fu, fv, pp, np );
            pp += 3;
***************
*** 171,211 ****
        
        Debug.WriteLine( "Associate data 'pointers' with vertex shader" );
        param = cgGetNamedParameter( vertexProgram, "Pobject" );
        cgGLSetParameterPointer( param, 3, GL_FLOAT, 0, P );
        param = cgGetNamedParameter( vertexProgram, "Nobject" );
        cgGLSetParameterPointer( param, 3, GL_FLOAT, 0, N );
        param = cgGetNamedParameter( vertexProgram, "TexUV" );
        cgGLSetParameterPointer( param, 2, GL_FLOAT, 0, uv );
-       param = cgGetNamedParameter( fragmentProgram, "diffuseMap" );
-       cgGLEnableTextureParameter( param );
      }
  
      Debug.WriteLine( "Enable bindings to parameters" );
      param = cgGetNamedParameter( vertexProgram, "Pobject" );
      cgGLEnableClientState( param );
      param = cgGetNamedParameter( vertexProgram, "Nobject" );
      cgGLEnableClientState( param );
      param = cgGetNamedParameter( vertexProgram, "TexUV" );
      cgGLEnableClientState( param );
      param = cgGetNamedParameter( fragmentProgram, "diffuseMap" );
!     cgGLEnableClientState( param);
!                 
      Debug.WriteLine( "Draw geometry" );
      glDrawElements( GL_TRIANGLES, 3*nTris, GL_UNSIGNED_INT, indices );
!       
      Debug.WriteLine( "Disable bindings to parameters" );
      param = cgGetNamedParameter( vertexProgram, "Pobject" );
      cgGLDisableClientState( param );
      param = cgGetNamedParameter( vertexProgram, "Nobject" );
      cgGLDisableClientState( param );
      param = cgGetNamedParameter( vertexProgram, "TexUV" );
      cgGLDisableClientState( param );
!     param = cgGetNamedParameter(fragmentProgram, "diffuseMap");
!     cgGLDisableTextureParameter(param);
      
    }
    
    protected void parametricEval( float u, float v, int pp, int np ) {
!     Console.WriteLine( "parametricEval" );
      double theta = System.Math.PI * u;
      double phi = 2.0 * System.Math.PI * v;
--- 181,234 ----
        
        Debug.WriteLine( "Associate data 'pointers' with vertex shader" );
+       Debug.WriteLine( "==> Pobject" );
        param = cgGetNamedParameter( vertexProgram, "Pobject" );
        cgGLSetParameterPointer( param, 3, GL_FLOAT, 0, P );
+       Debug.WriteLine( "==> Nobject ");
        param = cgGetNamedParameter( vertexProgram, "Nobject" );
        cgGLSetParameterPointer( param, 3, GL_FLOAT, 0, N );
+       Debug.WriteLine( "==> TexUV" );
        param = cgGetNamedParameter( vertexProgram, "TexUV" );
        cgGLSetParameterPointer( param, 2, GL_FLOAT, 0, uv );
      }
  
      Debug.WriteLine( "Enable bindings to parameters" );
+     Debug.WriteLine( "==> Pobject" );
      param = cgGetNamedParameter( vertexProgram, "Pobject" );
      cgGLEnableClientState( param );
+     Debug.WriteLine( "==> Nobject" );
      param = cgGetNamedParameter( vertexProgram, "Nobject" );
      cgGLEnableClientState( param );
+     Debug.WriteLine( "==> TexUV" );
      param = cgGetNamedParameter( vertexProgram, "TexUV" );
      cgGLEnableClientState( param );
+     Debug.WriteLine( "==> diffuseMap" );
      param = cgGetNamedParameter( fragmentProgram, "diffuseMap" );
!     cgGLEnableTextureParameter( param );
!     
      Debug.WriteLine( "Draw geometry" );
      glDrawElements( GL_TRIANGLES, 3*nTris, GL_UNSIGNED_INT, indices );
!         
      Debug.WriteLine( "Disable bindings to parameters" );
+     Debug.WriteLine( "==> Pobject" );
      param = cgGetNamedParameter( vertexProgram, "Pobject" );
      cgGLDisableClientState( param );
+     Debug.WriteLine( "==> Nobject" );
      param = cgGetNamedParameter( vertexProgram, "Nobject" );
      cgGLDisableClientState( param );
+     Debug.WriteLine( "==> TexUV" );
      param = cgGetNamedParameter( vertexProgram, "TexUV" );
      cgGLDisableClientState( param );
!     Debug.WriteLine( "==> diffuseMap" );
!     param = cgGetNamedParameter( fragmentProgram, "diffuseMap" );
!     cgGLDisableTextureParameter( param );
      
+     Debug.WriteLine( "Exiting Demo.DrawGeometry()" );
+     Debug.Unindent();
    }
    
    protected void parametricEval( float u, float v, int pp, int np ) {
!     Debug.Indent();
!     Debug.WriteLine( "Entering Demo.parametricEval(float,float,int,int)" );
!         
      double theta = System.Math.PI * u;
      double phi = 2.0 * System.Math.PI * v;
***************
*** 215,229 ****
      P[pp+2] = (float)(System.Math.Cos(theta));
      
!     N[pp] = P[pp];
!     N[pp+1] = P[pp+1];
!     N[pp+2] = P[pp+2];
    }
!   
    protected void ChooseProfiles() {
!     Console.WriteLine( "ChooseProfiles" );
      if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_ARBVP1 ) ) {
        vertexProfile = CGprofile.CG_PROFILE_ARBVP1;
      } else if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_VP30 ) ) {
        vertexProfile = CGprofile.CG_PROFILE_VP30;
      } else {
        Console.WriteLine( "Neither arbvp1 or vp30 vertex profiles supported on this system!" );
--- 238,277 ----
      P[pp+2] = (float)(System.Math.Cos(theta));
      
!     N[np] = P[pp];
!     N[np+1] = P[pp+1];
!     N[np+2] = P[pp+2];
!     
!     Debug.WriteLine( "Exiting Demo.parametricEval(float,float,int,int)" );
!     Debug.Unindent();
    }
!       
!   protected void drawTriangles( uint[] indices ) {
!     Debug.Indent();
!     Debug.WriteLine( "Entering Demo.drawTriangls(uint[])" );
!     
!     int i = 0;
!     while ( i+8<indices.Length ) {
!       glBegin( GL_TRIANGLES );
!       glVertex3f( indices[i], indices[i+1], indices[i+2] );
!       glVertex3f( indices[i+3], indices[i+4], indices[i+5] );
!       glVertex3f( indices[i+6], indices[i+7], indices[i+8] );
!       glEnd();
!       i+=9;
!     }
!     
!     Debug.WriteLine( "Exiting Demo.drawTriangles(uint[])" );
!     Debug.Unindent();
!   }
!     
    protected void ChooseProfiles() {
!     Debug.Indent();
!     Debug.WriteLine( "Entering Demo.ChooseProfiles()" );
!     
      if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_ARBVP1 ) ) {
        vertexProfile = CGprofile.CG_PROFILE_ARBVP1;
+       Console.WriteLine( "Vertex Profile: ARBVP1" );
      } else if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_VP30 ) ) {
        vertexProfile = CGprofile.CG_PROFILE_VP30;
+       Console.WriteLine( "Vertex Profile: VP30" );
      } else {
        Console.WriteLine( "Neither arbvp1 or vp30 vertex profiles supported on this system!" );
***************
*** 233,249 ****
      if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_ARBFP1 ) ) {
        fragmentProfile = CGprofile.CG_PROFILE_ARBFP1;
      } else if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_FP30 ) ) {
        fragmentProfile = CGprofile.CG_PROFILE_FP30;
      } else {
        Console.WriteLine( "Netiher arbfp1 or fp30 fragment profiles supported on this system!" );
        System.Environment.Exit(2);
      }
    }
    
    protected void LoadCgPrograms() {
!     Console.WriteLine( "LoadCgPrograms" );
      Debug.Assert( CG_TRUE==cgIsContext( context ) );
      
      vertexProgram = cgCreateProgramFromFile( context, CGenum.CG_SOURCE, "demo_vert.cg", vertexProfile, null, null ); 
      cgGLEnableProfile( vertexProfile );
      cgGLLoadProgram( vertexProgram );
--- 281,305 ----
      if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_ARBFP1 ) ) {
        fragmentProfile = CGprofile.CG_PROFILE_ARBFP1;
+       Console.WriteLine( "Fargment Profile: ARBFP1" );
      } else if ( CG_TRUE==cgGLIsProfileSupported( CGprofile.CG_PROFILE_FP30 ) ) {
        fragmentProfile = CGprofile.CG_PROFILE_FP30;
+       Console.WriteLine( "Fragmen Profile: FP30" );
      } else {
        Console.WriteLine( "Netiher arbfp1 or fp30 fragment profiles supported on this system!" );
        System.Environment.Exit(2);
      }
+     
+     Debug.WriteLine( "Exiting Demo.ChooseProfiles()" );
+     Debug.Unindent();
    }
    
    protected void LoadCgPrograms() {
!     Debug.Indent();
!     Debug.WriteLine( "Entering Demo.LoadCgPrograms()" );
!     
      Debug.Assert( CG_TRUE==cgIsContext( context ) );
      
      vertexProgram = cgCreateProgramFromFile( context, CGenum.CG_SOURCE, "demo_vert.cg", vertexProfile, null, null ); 
+     if (CG_FALSE==cgIsProgramCompiled(vertexProgram)) cgCompileProgram(vertexProgram);
      cgGLEnableProfile( vertexProfile );
      cgGLLoadProgram( vertexProgram );
***************
*** 253,260 ****
      cgGLEnableProfile( fragmentProfile );
      cgGLLoadProgram( fragmentProgram );
    }
    
    protected void LoadTextures() {
!     Console.WriteLine( "LoadTextures" );
      uint handle ;
      uint[] h = new uint[1];
--- 309,321 ----
      cgGLEnableProfile( fragmentProfile );
      cgGLLoadProgram( fragmentProgram );
+     
+     Debug.WriteLine( "Exiting Demo.LoadCgPrograms()" );
+     Debug.Unindent();
    }
    
    protected void LoadTextures() {
!     Debug.Indent();
!     Debug.WriteLine( "Entering Demo.LoadTextures()" );
!     
      uint handle ;
      uint[] h = new uint[1];
***************
*** 263,267 ****
      
      glBindTexture( GL_TEXTURE_2D, handle );
!     glTexParameterf(GL_TEXTURE_2D, 33169, GL_TRUE);
      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
--- 324,328 ----
      
      glBindTexture( GL_TEXTURE_2D, handle );
!     glTexParameterf(GL_TEXTURE_2D, 0x8191, GL_TRUE);
      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
***************
*** 270,273 ****
--- 331,335 ----
      
      float[] data = new float[res*res*4];
+     
      for ( int i=0; i<res; i++ ) {
        for ( int j=0; j<res; j++ ) {
***************
*** 288,291 ****
--- 350,356 ----
      glTexImage2D( GL_TEXTURE_2D, 0, 4, res, res, 0, GL_RGBA, GL_FLOAT, data );
      cgGLSetTextureParameter( cgGetNamedParameter( fragmentProgram, "diffuseMap" ), handle );
+     
+     Debug.WriteLine( "Exiting Demo.LoadTextures()" );
+     Debug.Unindent();
    }