Corrected Tess*, Nurbs* and Quadric* definitions. Added experimental code for fast late-binding.
This commit is contained in:
the_fiddler
parent
ae1838f3d3
commit
621dac721f
1 changed files with 227 additions and 80 deletions
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@ -9,10 +9,12 @@ using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Reflection;
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using OpenTK.Platform;
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using System.Runtime.InteropServices;
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using OpenTK.Platform;
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using OpenTK.Math;
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using OpenTK.OpenGL.Enums;
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using System.Reflection.Emit;
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namespace OpenTK.OpenGL
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{
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@ -50,7 +52,7 @@ namespace OpenTK.OpenGL
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private static Delegate GetDelegate(string name, Type signature)
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{
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MethodInfo m = importsClass.GetMethod(name.Substring(3), BindingFlags.Static | BindingFlags.NonPublic);
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return
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return
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GL.GetExtensionDelegate(name, signature) ??
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(m != null ? Delegate.CreateDelegate(signature, m) : null);
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}
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@ -160,7 +162,7 @@ namespace OpenTK.OpenGL
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{
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throw new ApplicationException("Failed to build extension list. Is there an opengl context current?");
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}
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string version = version_string.Trim(' ');
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if (version.StartsWith("1.0"))
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{
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@ -188,7 +190,7 @@ namespace OpenTK.OpenGL
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string extension_string = Glu.GetString(GluStringName.Extensions);
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if (String.IsNullOrEmpty(extension_string))
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{ // no extensions are available
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return;
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return;
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}
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string[] extensions = extension_string.Split(' ');
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@ -202,95 +204,240 @@ namespace OpenTK.OpenGL
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#endregion
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public class GLUnurbs
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#region Overloads
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public static void LookAt(Vector3 eye, Vector3 center, Vector3 up)
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{
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Delegates.gluLookAt((double)eye.X, (double)eye.Y, (double)eye.Z, (double)center.X, (double)center.Y, (double)center.Z, (double)up.X, (double)up.Y, (double)up.Z);
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}
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public class GLUtesselator
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// One token Project overload, I picked this one because it's CLS compliant, and it
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// makes reasonably clear which args are inputs and which are outputs.
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public static Int32 Project(Vector3 obj, double[] model, double[] proj, Int32[] view, out Vector3 win)
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{
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unsafe
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{
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double winX, winY, winZ;
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double* winX_ptr = &winX;
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double* winY_ptr = &winY;
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double* winZ_ptr = &winZ;
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fixed (double* model_ptr = model)
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fixed (double* proj_ptr = proj)
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fixed (Int32* view_ptr = view)
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{
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Int32 retval = Delegates.gluProject((double)obj.X, (double)obj.Y, (double)obj.Z, (double*)model_ptr, (double*)proj_ptr, (Int32*)view_ptr, (double*)winX_ptr, (double*)winY_ptr, (double*)winZ_ptr);
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win = new Vector3((float)*winX_ptr, (float)*winY_ptr, (float)*winZ_ptr);
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return retval;
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}
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}
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}
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public class GLUquadric
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public static void TessNormal(IntPtr tess, Vector3 normal)
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{
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}
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Delegates.gluTessNormal(tess, (double)normal.X, (double)normal.Y, (double)normal.Z);
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}
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#region Overloads
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public static Int32 UnProject(Vector3 win, double[] model, double[] proj, Int32[] view, out Vector3 obj)
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{
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unsafe
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{
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double objX, objY, objZ;
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double* objX_ptr = &objX;
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double* objY_ptr = &objY;
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double* objZ_ptr = &objZ;
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fixed (double* model_ptr = model)
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fixed (double* proj_ptr = proj)
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fixed (Int32* view_ptr = view)
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{
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Int32 retval = Delegates.gluUnProject((double)win.X, (double)win.Y, (double)win.Z, (double*)model_ptr, (double*)proj_ptr, (Int32*)view_ptr, (double*)objX_ptr, (double*)objY_ptr, (double*)objZ_ptr);
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obj = new Vector3((float)*objX_ptr, (float)*objY_ptr, (float)*objZ_ptr);
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return retval;
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}
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}
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}
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public static void LookAt(Vector3 eye, Vector3 center, Vector3 up)
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{
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Delegates.gluLookAt((double)eye.X, (double)eye.Y, (double)eye.Z, (double)center.X, (double)center.Y, (double)center.Z, (double)up.X, (double)up.Y, (double)up.Z);
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}
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// One token Project overload, I picked this one because it's CLS compliant, and it
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// makes reasonably clear which args are inputs and which are outputs.
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public static Int32 Project(Vector3 obj, double[] model, double[] proj, Int32[] view, out Vector3 win)
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{
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unsafe
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{
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double winX, winY, winZ;
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double* winX_ptr = &winX;
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double* winY_ptr = &winY;
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double* winZ_ptr = &winZ;
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fixed (double* model_ptr = model)
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fixed (double* proj_ptr = proj)
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fixed (Int32* view_ptr = view)
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{
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Int32 retval = Delegates.gluProject((double)obj.X, (double)obj.Y, (double)obj.Z, (double*)model_ptr, (double*)proj_ptr, (Int32*)view_ptr, (double*)winX_ptr, (double*)winY_ptr, (double*)winZ_ptr);
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win = new Vector3((float)*winX_ptr, (float)*winY_ptr, (float)*winZ_ptr);
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return retval;
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}
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}
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}
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public static void TessNormal(int tess, Vector3 normal)
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{
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Delegates.gluTessNormal((int)tess, (double)normal.X, (double)normal.Y, (double)normal.Z);
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}
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public static Int32 UnProject(Vector3 win, double[] model, double[] proj, Int32[] view, out Vector3 obj)
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{
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unsafe
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{
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double objX, objY, objZ;
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double* objX_ptr = &objX;
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double* objY_ptr = &objY;
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double* objZ_ptr = &objZ;
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fixed (double* model_ptr = model)
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fixed (double* proj_ptr = proj)
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fixed (Int32* view_ptr = view)
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{
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Int32 retval = Delegates.gluUnProject((double)win.X, (double)win.Y, (double)win.Z, (double*)model_ptr, (double*)proj_ptr, (Int32*)view_ptr, (double*)objX_ptr, (double*)objY_ptr, (double*)objZ_ptr);
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obj = new Vector3((float)*objX_ptr, (float)*objY_ptr, (float)*objZ_ptr);
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return retval;
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}
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}
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}
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public static Int32 UnProject4(Vector4 win, double[] model, double[] proj, Int32[] view, double near, double far, out Vector4 obj)
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{
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unsafe
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{
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double objX, objY, objZ, objW;
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double* objX_ptr = &objX;
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double* objY_ptr = &objY;
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double* objZ_ptr = &objZ;
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double* objW_ptr = &objW;
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fixed (double* model_ptr = model)
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fixed (double* proj_ptr = proj)
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fixed (Int32* view_ptr = view)
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{
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Int32 retval = Delegates.gluUnProject4((double)win.X, (double)win.Y, (double)win.Z, (double)win.W, (double*)model_ptr, (double*)proj_ptr, (Int32*)view_ptr, (double)near, (double)far, (double*)objX_ptr, (double*)objY_ptr, (double*)objZ_ptr, (double*)objW_ptr);
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obj = new Vector4((float)*objX_ptr, (float)*objY_ptr, (float)*objZ_ptr, (float)*objW_ptr);
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return retval;
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}
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}
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}
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public static Int32 UnProject4(Vector4 win, double[] model, double[] proj, Int32[] view, double near, double far, out Vector4 obj)
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{
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unsafe
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{
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double objX, objY, objZ, objW;
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double* objX_ptr = &objX;
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double* objY_ptr = &objY;
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double* objZ_ptr = &objZ;
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double* objW_ptr = &objW;
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fixed (double* model_ptr = model)
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fixed (double* proj_ptr = proj)
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fixed (Int32* view_ptr = view)
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{
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Int32 retval = Delegates.gluUnProject4((double)win.X, (double)win.Y, (double)win.Z, (double)win.W, (double*)model_ptr, (double*)proj_ptr, (Int32*)view_ptr, (double)near, (double)far, (double*)objX_ptr, (double*)objY_ptr, (double*)objZ_ptr, (double*)objW_ptr);
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obj = new Vector4((float)*objX_ptr, (float)*objY_ptr, (float)*objZ_ptr, (float)*objW_ptr);
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return retval;
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}
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}
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}
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public static string ErrorString(ErrorCode error)
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{
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return ErrorString((GluErrorCode)error);
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}
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#endregion
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}
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public static void TessWindingRuleProperty(IntPtr tess, TessWinding property)
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{
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Glu.TessProperty(tess, OpenTK.OpenGL.Enums.TessProperty.TessWindingRule, (double)property);
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}
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#endregion
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}
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#if false
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//public delegate object
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public delegate void FastVoidInvokeHandler(object target, object[] paramters);
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public delegate object FastInvokeHandler(object target, object[] paramters);
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public static class FastInvoker
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{
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/// <summary>
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/// Use this one instead of MethodInfo.Invoke, this way it is 50 times quicker.
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///
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/// <example>
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/// string Filter = "FirstName = 'Ton'"
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/// MethodInfo mi = typeof(Person).GetMethod("GetAll");
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/// snoei.net.Reflection.FastInvoker.FastInvokeHandler fi = snoei.net.Reflection.FastInvoker.GetMethodInvoker( mi );
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/// return fi.Invoke( Person, new object[]{Filter} );
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/// //Calls Person.GetAll(string Filter);
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/// </example>
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/// </summary>
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/// <param name="methodInfo"></param>
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/// <returns></returns>
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public static Delegate GetMethodInvoker(MethodInfo methodInfo)
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{
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DynamicMethod dynamicMethod = new DynamicMethod(string.Empty, methodInfo.ReturnType, new Type[] { typeof(object), typeof(object[]) }, methodInfo.DeclaringType.Module);
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ILGenerator il = dynamicMethod.GetILGenerator();
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ParameterInfo[] ps = methodInfo.GetParameters();
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Type[] paramTypes = new Type[ps.Length];
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for (int i = 0; i < paramTypes.Length; i++)
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{
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if (ps[i].ParameterType.IsByRef)
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paramTypes[i] = ps[i].ParameterType.GetElementType();
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else
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paramTypes[i] = ps[i].ParameterType;
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}
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LocalBuilder[] locals = new LocalBuilder[paramTypes.Length];
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for (int i = 0; i < paramTypes.Length; i++)
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locals[i] = il.DeclareLocal(paramTypes[i], true);
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for (int i = 0; i < paramTypes.Length; i++)
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{
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il.Emit(OpCodes.Ldarg_1);
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EmitFastInt(il, i);
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il.Emit(OpCodes.Ldelem_Ref);
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EmitCastToReference(il, paramTypes[i]);
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il.Emit(OpCodes.Stloc, locals[i]);
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}
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if (!methodInfo.IsStatic)
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il.Emit(OpCodes.Ldarg_0);
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for (int i = 0; i < paramTypes.Length; i++)
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{
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if (ps[i].ParameterType.IsByRef)
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il.Emit(OpCodes.Ldloca_S, locals[i]);
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else
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il.Emit(OpCodes.Ldloc, locals[i]);
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}
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if (methodInfo.IsStatic)
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il.EmitCall(OpCodes.Call, methodInfo, null);
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else
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il.EmitCall(OpCodes.Callvirt, methodInfo, null);
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if (methodInfo.ReturnType == typeof(void))
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il.Emit(OpCodes.Ldnull);
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else
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EmitBoxIfNeeded(il, methodInfo.ReturnType);
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for (int i = 0; i < paramTypes.Length; i++)
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{
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if (ps[i].ParameterType.IsByRef)
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{
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il.Emit(OpCodes.Ldarg_1);
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EmitFastInt(il, i);
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il.Emit(OpCodes.Ldloc, locals[i]);
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if (locals[i].LocalType.IsValueType)
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il.Emit(OpCodes.Box, locals[i].LocalType);
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il.Emit(OpCodes.Stelem_Ref);
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}
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}
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il.Emit(OpCodes.Ret);
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if (methodInfo.ReturnType == typeof(void))
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return dynamicMethod.CreateDelegate(typeof(FastVoidInvokeHandler));
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else
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return dynamicMethod.CreateDelegate(typeof(FastInvokeHandler));
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}
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private static void EmitCastToReference(ILGenerator il, System.Type type)
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{
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if (type.IsValueType)
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il.Emit(OpCodes.Unbox_Any, type);
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else
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il.Emit(OpCodes.Castclass, type);
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}
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private static void EmitBoxIfNeeded(ILGenerator il, System.Type type)
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{
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if (type.IsValueType)
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il.Emit(OpCodes.Box, type);
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}
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private static void EmitFastInt(ILGenerator il, int value)
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{
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switch (value)
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{
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case -1:
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il.Emit(OpCodes.Ldc_I4_M1);
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return;
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case 0:
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il.Emit(OpCodes.Ldc_I4_0);
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return;
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case 1:
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il.Emit(OpCodes.Ldc_I4_1);
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return;
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case 2:
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il.Emit(OpCodes.Ldc_I4_2);
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return;
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case 3:
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il.Emit(OpCodes.Ldc_I4_3);
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return;
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case 4:
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il.Emit(OpCodes.Ldc_I4_4);
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return;
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case 5:
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il.Emit(OpCodes.Ldc_I4_5);
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return;
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case 6:
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il.Emit(OpCodes.Ldc_I4_6);
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return;
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case 7:
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il.Emit(OpCodes.Ldc_I4_7);
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return;
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case 8:
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il.Emit(OpCodes.Ldc_I4_8);
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return;
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}
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if (value > -129 && value < 128)
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il.Emit(OpCodes.Ldc_I4_S, (SByte)value);
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else
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il.Emit(OpCodes.Ldc_I4, value);
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}
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}
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#endif
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}
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