protected override void BindInternal(BufferTarget target)
{
Internal.OpenGL.Methods.glBindBuffer(OpenGLEngine.BufferTargetToGLBufferTarget(target), Handle);
Internal.OpenGL.Methods.glErrorToException();
_target = target;
}
protected override void SetVertexAttributeInternal(uint index, int count, ElementType type, bool normalized, int stride, uint offset)
{
Internal.OpenGL.Methods.glEnableVertexAttribArray(index);
Internal.OpenGL.Methods.glErrorToException();
Internal.OpenGL.Methods.glVertexAttribPointer(index, count, OpenGLEngine.ElementTypeToGLElementType(type), normalized, stride, new IntPtr(offset));
Internal.OpenGL.Methods.glErrorToException();
}
protected override void SetDataInternal <T>(T[] data, BufferDataUsage usage)
{
// ohhh yeahh
int size = data.Length * Marshal.SizeOf(typeof(T));
GCHandle ptr = GCHandle.Alloc(data, GCHandleType.Pinned);
try
{
Internal.OpenGL.Methods.glBufferData(OpenGLEngine.BufferTargetToGLBufferTarget(_target), size, ptr.AddrOfPinnedObject(), OpenGLEngine.BufferDataUsageToGLBufferDataUsage(usage));
}
finally
{
ptr.Free();
}
Internal.OpenGL.Methods.glErrorToException();
}
protected override void SetMatrixModeInternal(MatrixMode mode)
{
Internal.OpenGL.Methods.glMatrixMode(OpenGLEngine.MatrixModeToGLMatrixMode(mode));
}
protected override void DrawArraysInternal(RenderMode mode, int start, int count)
{
Internal.OpenGL.Methods.glDrawArrays(OpenGLEngine.RenderModeToGLRenderMode(mode), start, count);
Internal.OpenGL.Methods.glErrorToException();
}
protected override void SetMaterialParameterInternal(FaceName face, MaterialParameterName parm, float value)
{
Internal.OpenGL.Methods.glMaterialf(OpenGLEngine.FaceToGLFace(face), OpenGLEngine.MaterialParameterNameToGLConst(parm), value);
}
protected override void UnbindInternal()
{
Internal.OpenGL.Methods.glBindBuffer(OpenGLEngine.BufferTargetToGLBufferTarget(_target), 0);
Internal.OpenGL.Methods.glErrorToException();
}
