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Updated example attribute and tessellation function. It now works!

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the_fiddler 2008-01-20 17:21:04 +00:00
parent b80a67b687
commit 5716c6a334
1 changed files with 11 additions and 28 deletions
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39
Source/Examples/OpenGL/GluTessellation.cs
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@ -18,30 +18,28 @@ using System.Runtime.InteropServices;
namespace Examples namespace Examples
{ {
[Example("GLU Tesselation Functions Test", ExampleCategory.OpenGL)] [Example("GLU Tesselation Functions Test", ExampleCategory.OpenGL, 10)]
public class Test : GameWindow public class Test : GameWindow
{ {
int startList; int startList;
IntPtr tess; IntPtr tess;
// Define the signatures for the callback functions, and declare the callbacks.
delegate void BeginCallbackDelegate(BeginMode mode);
delegate void EndCallbackDelegate();
delegate void VertexCallbackDelegate(IntPtr v);
delegate void ErrorCallbackDelegate(GluErrorCode code); delegate void ErrorCallbackDelegate(GluErrorCode code);
ErrorCallbackDelegate tessError;
unsafe delegate void CombineCallbackDelegate( unsafe delegate void CombineCallbackDelegate(
[MarshalAs(UnmanagedType.LPArray, SizeConst = 3)]double[] coordinates, [MarshalAs(UnmanagedType.LPArray, SizeConst = 3)]double[] coordinates,
[MarshalAs(UnmanagedType.LPArray, SizeConst = 4)]IntPtr[] vertexData, [MarshalAs(UnmanagedType.LPArray, SizeConst = 4)]double*[] vertexData,
[MarshalAs(UnmanagedType.LPArray, SizeConst = 4)]float[] weight, [MarshalAs(UnmanagedType.LPArray, SizeConst = 4)]float[] weight,
void** dataOut); double** dataOut);
CombineCallbackDelegate tessCombine;
delegate void BeginCallbackDelegate(BeginMode mode);
BeginCallbackDelegate tessBegin; BeginCallbackDelegate tessBegin;
delegate void EndCallbackDelegate();
EndCallbackDelegate tessEnd; EndCallbackDelegate tessEnd;
ErrorCallbackDelegate tessError;
unsafe delegate void VertexCallbackDelegate(IntPtr v);
VertexCallbackDelegate tessVertex; VertexCallbackDelegate tessVertex;
CombineCallbackDelegate tessCombine;
public Test() : base() public Test() : base()
{ {
@ -93,7 +91,7 @@ namespace Examples
unsafe double*[] combineData = new double*[16]; unsafe double*[] combineData = new double*[16];
int data_index = 0; int data_index = 0;
unsafe void CombineHandler(double[] coordinates, IntPtr[] data, float[] weight, void** dataOut) unsafe void CombineHandler(double[] coordinates, double*[] data, float[] weight, double** dataOut)
{ {
double* out_data = combineData[data_index] = (double*)Marshal.AllocHGlobal(6 * sizeof(double)); double* out_data = combineData[data_index] = (double*)Marshal.AllocHGlobal(6 * sizeof(double));
int i; int i;
@ -170,7 +168,7 @@ namespace Examples
new double[] {400.0, 150.0, 0.0, 0.0, 1.0, 0.0} new double[] {400.0, 150.0, 0.0, 0.0, 1.0, 0.0}
}; };
GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f); GL.ClearColor(System.Drawing.Color.SteelBlue);
tess = Glu.NewTess(); tess = Glu.NewTess();
startList = GL.GenLists(3); startList = GL.GenLists(3);
@ -229,18 +227,6 @@ namespace Examples
Glu.TessEndContour(tess); Glu.TessEndContour(tess);
Glu.TessEndPolygon(tess); Glu.TessEndPolygon(tess);
GL.EndList(); GL.EndList();
double[][] v = new double[][]
{
new double[] {50.0, 50.0, 0.0},
new double[] {200.0, 50.0, 0.0},
new double[] {200.0, 200.0, 0.0},
new double[] {100.0, 100.0, 0.0},
new double[] {150.0, 100.0, 0.0},
new double[] {150.0, 150.0, 0.0},
new double[] {100.0, 150.0, 0.0}
};
} }
#endregion #endregion
@ -253,10 +239,7 @@ namespace Examples
Glu.DeleteTess(tess); Glu.DeleteTess(tess);
GL.DeleteLists(startList, 3); GL.DeleteLists(startList, 3);
while (data_index != 0) while (data_index != 0)
{
unsafe { Marshal.FreeHGlobal((IntPtr)combineData[data_index--]); } unsafe { Marshal.FreeHGlobal((IntPtr)combineData[data_index--]); }
}
} }
#endregion #endregion