[OpenGL# CVS] csdOpenGL/Cg demo.cs,1.3,1.4

[Tim R. <ti...@us...>]

Update of /cvsroot/csdopenglnet/csdOpenGL/Cg
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv649/Cg

Modified Files:
	demo.cs 
Log Message:
missing cgGLEnable-statements


Index: demo.cs
===================================================================
RCS file: /cvsroot/csdopenglnet/csdOpenGL/Cg/demo.cs,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** demo.cs	6 Aug 2004 12:13:34 -0000	1.3
--- demo.cs	7 Aug 2004 06:58:39 -0000	1.4
***************
*** 9,22 ****
  public class Demo : Cg {
  
!   IntPtr context, vertexProgram, fragmentProgram;
!   CGprofile vertexProfile, fragmentProfile;
!   int curTime = 0;
!   bool haveLoadedPrograms = false;
!   int res=512;
!   float[] P, N, uv;
!   uint[] indices;
!     
    public Demo() {
!     Console.WriteLine( "Constructor" );
      glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH );
      glutInitWindowSize( res, res );
--- 9,25 ----
  public class Demo : Cg {
  
!   protected IntPtr context, vertexProgram, fragmentProgram;
!   protected CGprofile vertexProfile, fragmentProfile;
!   protected int curTime = 0;
!   protected bool haveLoadedPrograms = false;
!   protected int res=512;
!   protected float[] P, N, uv;
!   protected uint[] indices;
!   
    public Demo() {
!     Debug.Indent();
!     Debug.WriteLine( "Entering Demo()" );
!     
!     Debug.WriteLine( "Initializing GLUT" );
      glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH );
      glutInitWindowSize( res, res );
***************
*** 26,36 ****
      glutKeyboardFunc( new cb0_glutKeyboardFunc(keyboard) );
      
      cgSetErrorCallback( new CgErrorEvent( errorHandler ) );
      context = cgCreateContext();
              
!     glutMainLoop();
    }
    
    protected void errorHandler() {
      CGerror err = cgGetError();
      Console.Write( "Cg error: " );
--- 29,47 ----
      glutKeyboardFunc( new cb0_glutKeyboardFunc(keyboard) );
      
+     Debug.WriteLine( "Initializing Cg" );
      cgSetErrorCallback( new CgErrorEvent( errorHandler ) );
      context = cgCreateContext();
              
!     Debug.WriteLine( "Start main loop" );
!     glutMainLoop();    
!     
!     Debug.WriteLine( "Exiting Demo()" );
!     Debug.Unindent();
    }
    
    protected void errorHandler() {
+     Debug.Indent();
+     Debug.WriteLine( "Entering Demo.errorHandler()" );
+     
      CGerror err = cgGetError();
      Console.Write( "Cg error: " );
***************
*** 38,46 ****
      Console.WriteLine( cgGetErrorString( err ) );
      System.Environment.Exit( 3 );
    }
      
    protected void draw() {
!     Console.WriteLine( "draw" );
      if (!haveLoadedPrograms) {
        ChooseProfiles();
        LoadCgPrograms();
--- 49,63 ----
      Console.WriteLine( cgGetErrorString( err ) );
      System.Environment.Exit( 3 );
+     
+     Debug.WriteLine( "Exiting Demo.errorHandler()" );
+     Debug.Unindent();
    }
      
    protected void draw() {
!     Debug.Indent();
!     Debug.WriteLine( "Entering Demo.draw()" );
!     
      if (!haveLoadedPrograms) {
+       Debug.WriteLine( "Initiize GL/Cg" );
        ChooseProfiles();
        LoadCgPrograms();
***************
*** 51,96 ****
      }  
      
      glClearColor( 0.25f, 0.25f, 0.25f, 1.0f );
      glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
      
      glMatrixMode( GL_PROJECTION );
      glLoadIdentity();
      gluPerspective( 30.0, 1.0, 0.1, 100.0 );
      
      glMatrixMode( GL_MODELVIEW );
      glLoadIdentity();
      gluLookAt( 4.0, 4.0, -4.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0 );
      glRotatef( curTime, 0, 1, 0 );
-     //cgGLBindProgram( vertexProgram );
-     //cgGLBindProgram( fragmentProgram );
      
!     //cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelViewProj"), CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MATRIX_IDENTITY);
!     //cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelView"), CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_IDENTITY);
!     //cgGLSetStateMatrixParameter(cgGetNamedParameter(vertexProgram, "ModelViewIT"), CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_INVERSE_TRANSPOSE);
      
      float[] Kd = { 0.7f, 0.2f, 0.2f };
      float[] Ks = { 0.9f, 0.9f, 0.9f };
!     //cgGLSetParameter3fv(cgGetNamedParameter(vertexProgram, "diffuse"), Kd);
!     //cgGLSetParameter3fv(cgGetNamedParameter(vertexProgram, "specular"), Ks);
  
      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);
  
!     //cgGLEnableTextureParameter(cgGetNamedParameter(fragmentProgram, "diffuseMap"));
!     // And go ahead and draw the scene geometry
      DrawGeometry();
!     //cgGLDisableTextureParameter(cgGetNamedParameter(fragmentProgram, "diffuseMap"));
! 
      glutSwapBuffers();
      ++curTime;
      glutPostRedisplay();
      
    }
  
    protected void DrawGeometry() {
!     Console.WriteLine( "DrawGeometry" );
      int nu = 30;
      int nv = 30;
--- 68,129 ----
      }  
      
+     Debug.WriteLine( "Reset GL" );
      glClearColor( 0.25f, 0.25f, 0.25f, 1.0f );
      glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
      
+     Debug.WriteLine( "Set projection matrix" );
      glMatrixMode( GL_PROJECTION );
      glLoadIdentity();
      gluPerspective( 30.0, 1.0, 0.1, 100.0 );
      
+     Debug.WriteLine( "Set modelview matrix" );
      glMatrixMode( GL_MODELVIEW );
      glLoadIdentity();
      gluLookAt( 4.0, 4.0, -4.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0 );
      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);
      
+     Debug.WriteLine( "Bind varying parameters to vertex shader" );
      float[] Kd = { 0.7f, 0.2f, 0.2f };
      float[] Ks = { 0.9f, 0.9f, 0.9f };
!     cgGLSetParameter3fv(cgGetNamedParameter(vertexProgram, "diffuse"), Kd);
!     cgGLSetParameter3fv(cgGetNamedParameter(vertexProgram, "specular"), Ks);
  
+     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" );
!     cgGLEnableTextureParameter(cgGetNamedParameter(fragmentProgram, "diffuseMap"));
!     
!     Debug.WriteLine( "Draw scene" );
      DrawGeometry();
!     
!     Debug.WriteLine( "Disable texture" );
!     cgGLDisableTextureParameter(cgGetNamedParameter(fragmentProgram, "diffuseMap"));
!     
      glutSwapBuffers();
      ++curTime;
      glutPostRedisplay();
      
+     Debug.WriteLine( "Exiting Demo.draw()" );
+     Debug.Unindent();
    }
  
    protected void DrawGeometry() {
!     Debug.Indent();
!     Debug.WriteLine( "Demo.DrawGeometry()" );
!     
      int nu = 30;
      int nv = 30;
***************
*** 100,103 ****
--- 133,137 ----
      int np = 0;
      int uvp = 0;
+     IntPtr param;
      
      if (P==null) {
***************
*** 107,110 ****
--- 141,145 ----
        uv = new float[2*nVerts];
        
+       Debug.WriteLine( "Fill position, normal and texture coordinate arrays" );
        for ( v=0; v<nv; ++v ) {
          float fv = (float)(v/(nv-1));
***************
*** 120,123 ****
--- 155,159 ----
        }
        
+       Debug.WriteLine( "Fill in the vertex index arrays" );
        indices = new uint[3*nTris];
        int ip = 0;
***************
*** 132,171 ****
          }
        }
        
!       Console.WriteLine( "1" );
!       IntPtr param = cgGetNamedParameter( vertexProgram, "Pobject" );
        cgGLSetParameterPointer( param, 3, GL_FLOAT, 0, P );
-       
-       Console.WriteLine( "2" );
        param = cgGetNamedParameter( vertexProgram, "Nobject" );
        cgGLSetParameterPointer( param, 3, GL_FLOAT, 0, N );
-       
-       Console.WriteLine( "3" );
        param = cgGetNamedParameter( vertexProgram, "TexUV" );
        cgGLSetParameterPointer( param, 2, GL_FLOAT, 0, uv );
-       
-       Console.WriteLine( "4" );
        param = cgGetNamedParameter( fragmentProgram, "diffuseMap" );
        cgGLEnableTextureParameter( param );
-       
-       Console.WriteLine( "5" );
-       glDrawElements( GL_TRIANGLES, 3*nTris, GL_UNSIGNED_INT, indices );
-       
-       Console.WriteLine( "6" );
-       param = cgGetNamedParameter( vertexProgram, "Pobject" );
-       cgGLDisableClientState( param );
-       
-       Console.WriteLine( "7" );
-       param = cgGetNamedParameter( vertexProgram, "Nobject" );
-       cgGLDisableClientState( param );
-       
-       Console.WriteLine( "8" );
-       param = cgGetNamedParameter( vertexProgram, "TexUV" );
-       cgGLDisableClientState( param );
-       
-       Console.WriteLine( "9" );
-       param = cgGetNamedParameter(fragmentProgram, "diffuseMap");
-       cgGLDisableTextureParameter(param);
      }
      
    }
--- 168,206 ----
          }
        }
+     
        
!       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);
      
    }
***************
*** 262,266 ****
    }
    
!   public static void Main( string[] argss) {
      Demo demo = new Demo();
    }
--- 297,303 ----
    }
    
!   public static void Main( string[] args) {
!     Debug.Listeners.Add( new TextWriterTraceListener( Console.Out ) );
!     Debug.AutoFlush = true;
      Demo demo = new Demo();
    }