public static void glEvalMesh2(MeshMode2 mode, Int32 i1, Int32 i2, Int32 j1, Int32 j2)
{
i_OpenGL1_0.glEvalMesh2(mode, i1, i2, j1, j2);
}
public static void EvalMesh2(MeshMode2 mode, Int32 i1, Int32 i2, Int32 j1, Int32 j2)
{
Debug.Assert(Delegates.pglEvalMesh2 != null, "pglEvalMesh2 not implemented");
Delegates.pglEvalMesh2((Int32)mode, i1, i2, j1, j2);
CallLog("glEvalMesh2({0}, {1}, {2}, {3}, {4})", mode, i1, i2, j1, j2);
DebugCheckErrors();
}
internal static extern void glEvalMesh2(MeshMode2 mode, Int32 i1, Int32 i2, Int32 j1, Int32 j2);
internal static extern void glEvalMesh2(MeshMode2 mode, Int32 i1, Int32 i2, Int32 j1, Int32 j2);
public void EvalMesh2(MeshMode2 mode, int i1, int i2, int j1, int j2)
{
gl.glEvalMesh2((int)mode, i1, i2, j1, j2);
CheckException();
}
public static void EvalMesh2(MeshMode2 mode, int i1, int i2, int j1, int j2)
{
gl.glEvalMesh2((int)mode, i1, i2, j1, j2);
}
private static void DrawTeapot(int grid, float scale, MeshMode2 type)
{
float[] p = new float[48], q = new float[48], r = new float[48], s = new float[48];
int i, j, k, l;
GL.PushAttrib(AttribMask.EnableBit | AttribMask.EvalBit);
GL.Enable(EnableCap.AutoNormal);
GL.Enable(EnableCap.Normalize);
GL.Enable(EnableCap.Map2Vertex3);
GL.Enable(EnableCap.Map2TextureCoord2);
// time for the math portion: remember augmented matrices? here's where you use them!
// prep the matrix for the data to be loaded
GL.PushMatrix();
// rotate the view
GL.Rotate(270.0f, 1.0f, 0.0f, 0.0f);
// set the size of the data
GL.Scale(0.5f * scale, 0.5f * scale, 0.5f * scale);
// move the data via X/Y/Z coordinates
GL.Translate(0.0f, 0.0f, -1.5f);
for (i = 0; i < 10; i++)
{
for (j = 0; j < 4; j++)
{
for (k = 0; k < 4; k++)
{
for (l = 0; l < 3; l++)
{
p[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + k], l];
q[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + (3 - k)], l];
if (l == 1)
{
q[j * 12 + k * 3 + l] *= -1.0f;
}
if (i < 6)
{
r[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + (3 - k)], l];
if (l == 0)
{
r[j * 12 + k * 3 + l] *= -1.0f;
}
s[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + k], l];
if (l == 0)
{
s[j * 12 + k * 3 + l] *= -1.0f;
}
if (l == 1)
{
s[j * 12 + k * 3 + l] *= -1.0f;
}
}
}
}
}
// high level math for the texture coordinates
GL.Map2(MapTarget.Map2TextureCoord2, 0f, 1f, 2, 2, 0f, 1f, 4, 2, tex);
// high level math for the vertices
GL.Map2(MapTarget.Map2Vertex3, 0f, 1f, 3, 4, 0f, 1f, 12, 4, p);
// high level math for a 2 dimensional map
GL.MapGrid2(grid, 0.0, 1.0, grid, 0.0, 1.0);
// high level math to do the evaluation of the grids
GL.EvalMesh2(type, 0, grid, 0, grid);
// high level math for the vertices
GL.Map2(MapTarget.Map2Vertex3, 0, 1, 3, 4, 0, 1, 12, 4, q);
// high level math to do the evaluation of the grids
GL.EvalMesh2(type, 0, grid, 0, grid);
if (i < 6)
{
// high level math for the vertices
GL.Map2(MapTarget.Map2Vertex3, 0, 1, 3, 4, 0, 1, 12, 4, r);
// high level math to do the evaluation of the grids
GL.EvalMesh2(type, 0, grid, 0, grid);
// high level math for the vertices
GL.Map2(MapTarget.Map2Vertex3, 0, 1, 3, 4, 0, 1, 12, 4, s);
// high level math to do the evaluation of the grids
GL.EvalMesh2(type, 0, grid, 0, grid);
}
}
// release the manipulated data from the matrix
GL.PopMatrix();
// release the manipulated data from the matrix attributes
GL.PopAttrib();
}
private static void DrawTeapot(int grid, float scale, MeshMode2 type)
{
float[] p = new float[48], q = new float[48], r = new float[48], s = new float[48];
int i, j, k, l;
GL.PushAttrib(AttribMask.EnableBit | AttribMask.EvalBit);
GL.Enable(EnableCap.AutoNormal);
GL.Enable(EnableCap.Normalize);
GL.Enable(EnableCap.Map2Vertex3);
GL.Enable(EnableCap.Map2TextureCoord2);
GL.PushMatrix();
GL.Rotate(270.0f, 1.0f, 0.0f, 0.0f);
GL.Scale(0.5f * scale, 0.5f * scale, 0.5f * scale);
GL.Translate(0.0f, 0.0f, -1.5f);
for (i = 0; i < 10; i++)
{
for (j = 0; j < 4; j++)
{
for (k = 0; k < 4; k++)
{
for (l = 0; l < 3; l++)
{
p[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + k], l];
q[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + (3 - k)], l];
if (l == 1)
q[j * 12 + k * 3 + l] *= -1.0f;
if (i < 6)
{
r[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + (3 - k)], l];
if (l == 0)
r[j * 12 + k * 3 + l] *= -1.0f;
s[j * 12 + k * 3 + l] = cpdata[patchdata[i, j * 4 + k], l];
if (l == 0)
s[j * 12 + k * 3 + l] *= -1.0f;
if (l == 1)
s[j * 12 + k * 3 + l] *= -1.0f;
}
}
}
}
GL.Map2(MapTarget.Map2TextureCoord2, 0f, 1f, 2, 2, 0f, 1f, 4, 2, tex);
GL.Map2(MapTarget.Map2Vertex3, 0f, 1f, 3, 4, 0f, 1f, 12, 4, p);
GL.MapGrid2(grid, 0.0, 1.0, grid, 0.0, 1.0);
GL.EvalMesh2(type, 0, grid, 0, grid);
GL.Map2(MapTarget.Map2Vertex3, 0, 1, 3, 4, 0, 1, 12, 4, q);
GL.EvalMesh2(type, 0, grid, 0, grid);
if (i < 6)
{
GL.Map2(MapTarget.Map2Vertex3, 0, 1, 3, 4, 0, 1, 12, 4, r);
GL.EvalMesh2(type, 0, grid, 0, grid);
GL.Map2(MapTarget.Map2Vertex3, 0, 1, 3, 4, 0, 1, 12, 4, s);
GL.EvalMesh2(type, 0, grid, 0, grid);
}
}
GL.PopMatrix();
GL.PopAttrib();
}
public static extern void EvalMesh2( MeshMode2 mode, int i1, int i2, int j1, int j2 );