public static void PrepareForUse(VertexDeclaration vd)
{
GLStateManager.VertexArray(true);
bool normal = false;
bool texcoord = false;
foreach (var ve in vd.GetVertexElements())
{
switch (ve.VertexElementUsage)
{
case VertexElementUsage.Position:
GL11.VertexPointer(
ve.VertexElementFormat.OpenGLNumberOfElements(),
ve.VertexElementFormat.OpenGLValueType(),
vd.VertexStride,
//ve.Offset
(IntPtr)ve.Offset
);
break;
case VertexElementUsage.Color:
GL11.ColorPointer(
ve.VertexElementFormat.OpenGLNumberOfElements(),
ve.VertexElementFormat.OpenGLValueType(),
vd.VertexStride,
//ve.Offset
(IntPtr)ve.Offset
);
break;
case VertexElementUsage.Normal:
GL11.NormalPointer(
ve.VertexElementFormat.OpenGLValueType(),
vd.VertexStride,
//ve.Offset
(IntPtr)ve.Offset
);
normal = true;
break;
case VertexElementUsage.TextureCoordinate:
GL11.TexCoordPointer(
ve.VertexElementFormat.OpenGLNumberOfElements(),
ve.VertexElementFormat.OpenGLValueType(),
vd.VertexStride,
//ve.Offset
(IntPtr)ve.Offset
);
texcoord = true;
break;
default:
throw new NotImplementedException();
}
}
GLStateManager.TextureCoordArray(texcoord);
GLStateManager.NormalArray(normal);
}
public static void PrepareForUse(VertexDeclaration vd, IntPtr arrayStart)
{
GLStateManager.VertexArray(true);
bool normal = false;
bool color = false;
bool texcoord = false;
foreach (var ve in vd.GetVertexElements())
{
switch (ve.VertexElementUsage)
{
case VertexElementUsage.Position:
/* TODO GL.VertexPointer(
* ve.VertexElementFormat.OpenGLNumberOfElements(),
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
break;
case VertexElementUsage.Color:
/* TODO GL.ColorPointer(
* ve.VertexElementFormat.OpenGLNumberOfElements(),
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
color = true;
break;
case VertexElementUsage.Normal:
/* TODO GL.NormalPointer(
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
normal = true;
break;
case VertexElementUsage.TextureCoordinate:
/* TODO GL.TexCoordPointer(
* ve.VertexElementFormat.OpenGLNumberOfElements(),
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
texcoord = true;
break;
default:
throw new NotImplementedException();
}
}
GLStateManager.TextureCoordArray(texcoord);
GLStateManager.ColorArray(color);
GLStateManager.NormalArray(normal);
}
internal void UnsetGraphicsStates()
{
// Make sure we are not user any shaders
GL.UseProgram(0);
// if primitives were used then we need to reset them
if (resetVertexStates)
{
GLStateManager.VertexArray(false);
GLStateManager.ColorArray(false);
GLStateManager.NormalArray(false);
GLStateManager.TextureCoordArray(false);
resetVertexStates = false;
}
GL.PopMatrix();
}
