public static Create ( DrawMode mode ) : |
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mode | DrawMode | |
return |
/// <summary> /// 遍历以<paramref name="lastVertexId"/>为最后一个顶点的图元, /// 瞄准每个图元的索引(例如1个三角形有3个索引)中的最后一个索引, /// 将此索引在<see cref="IndexBuffer"/>中的索引(位置)收集起来。 /// </summary> /// <param name="arg"></param> /// <param name="lastVertexId"></param> /// <returns></returns> private List <RecognizedPrimitiveInfo> GetLastIndexIdList(PickingEventArgs arg, uint lastVertexId) { var indexBuffer = this.Renderer.PickingRenderUnit.VertexArrayObject.IndexBuffer; PrimitiveRecognizer recognizer = PrimitiveRecognizerFactory.Create( (arg.GeometryType.Contains(GeometryType.Point) && indexBuffer.Mode.ToGeometryType() == GeometryType.Line) ? DrawMode.Points : indexBuffer.Mode); PrimitiveRestartState glState = GetPrimitiveRestartState(); var buffer = indexBuffer as OneIndexBuffer; IntPtr pointer = buffer.MapBuffer(MapBufferAccess.ReadOnly); List <RecognizedPrimitiveInfo> primitiveInfoList = null; if (glState == null) { primitiveInfoList = recognizer.Recognize(lastVertexId, pointer, indexBuffer as OneIndexBuffer); } else { primitiveInfoList = recognizer.Recognize(lastVertexId, pointer, indexBuffer as OneIndexBuffer, glState.RestartIndex); } buffer.UnmapBuffer(); return(primitiveInfoList); }
/// <summary> /// 遍历以<see cref="lastVerteID"/>为最后一个顶点的图元, /// 瞄准每个图元的索引(例如1个三角形有3个索引)中的最后一个索引, /// 将此索引在<see cref="indexBufferPtr"/>中的索引(位置)收集起来。 /// </summary> /// <param name="lastVertexId"></param> /// <returns></returns> private List <RecognizedPrimitiveIndex> GetLastIndexIdList(RenderEventArgs arg, uint lastVertexId) { PrimitiveRecognizer recognizer = PrimitiveRecognizerFactory.Create( (arg.RenderMode == RenderModes.ColorCodedPicking && arg.PickingGeometryType == GeometryType.Point && this.indexBufferPtr.Mode.ToGeometryType() == GeometryType.Line) ? DrawMode.Points : this.indexBufferPtr.Mode); PrimitiveRestartSwitch glSwitch = GetPrimitiveRestartSwitch(); OpenGL.BindBuffer(BufferTarget.ElementArrayBuffer, this.indexBufferPtr.BufferId); IntPtr pointer = OpenGL.MapBuffer(BufferTarget.ElementArrayBuffer, MapBufferAccess.ReadOnly); List <RecognizedPrimitiveIndex> lastIndexIdList = null; if (glSwitch == null) { lastIndexIdList = recognizer.Recognize(lastVertexId, pointer, this.indexBufferPtr as OneIndexBufferPtr); } else { lastIndexIdList = recognizer.Recognize(lastVertexId, pointer, this.indexBufferPtr as OneIndexBufferPtr, glSwitch.RestartIndex); } OpenGL.UnmapBuffer(BufferTarget.ElementArrayBuffer); OpenGL.BindBuffer(BufferTarget.ElementArrayBuffer, 0); return(lastIndexIdList); }
/// <summary> /// 遍历以<paramref name="lastVertexId"/>为最后一个顶点的图元, /// 瞄准每个图元的索引(例如1个三角形有3个索引)中的最后一个索引, /// 将此索引在<see cref="IndexBuffer"/>中的索引(位置)收集起来。 /// </summary> /// <param name="arg"></param> /// <param name="lastVertexId"></param> /// <returns></returns> private List <RecognizedPrimitiveInfo> GetLastIndexIdList(RenderEventArgs arg, uint lastVertexId) { PrimitiveRecognizer recognizer = PrimitiveRecognizerFactory.Create( (arg.PickingGeometryType == PickingGeometryType.Point && this.indexBuffer.Mode.ToGeometryType() == PickingGeometryType.Line) ? DrawMode.Points : this.indexBuffer.Mode); PrimitiveRestartState glState = GetPrimitiveRestartState(); var buffer = this.indexBuffer as OneIndexBuffer; IntPtr pointer = buffer.MapBuffer(MapBufferAccess.ReadOnly); List <RecognizedPrimitiveInfo> primitiveInfoList = null; if (glState == null) { primitiveInfoList = recognizer.Recognize(lastVertexId, pointer, this.indexBuffer as OneIndexBuffer); } else { primitiveInfoList = recognizer.Recognize(lastVertexId, pointer, this.indexBuffer as OneIndexBuffer, glState.RestartIndex); } buffer.UnmapBuffer(); return(primitiveInfoList); }
/// <summary> /// 遍历以<paramref name="lastVertexId"/>为最后一个顶点的图元, /// 瞄准每个图元的索引(例如1个三角形有3个索引)中的最后一个索引, /// 将此索引在<see cref="IndexBuffer"/>中的索引(位置)收集起来。 /// </summary> /// <param name="arg"></param> /// <param name="lastVertexId"></param> /// <returns></returns> private List <RecognizedPrimitiveInfo> GetLastIndexIdList(PickingEventArgs arg, uint lastVertexId) { var drawCmd = this.DrawCommand; PrimitiveRecognizer recognizer = PrimitiveRecognizerFactory.Create( (arg.GeometryType.Contains(GeometryType.Point) && drawCmd.Mode.ToGeometryType() == GeometryType.Line) ? DrawMode.Points : drawCmd.Mode); PrimitiveRestartState glState = GetPrimitiveRestartState(); var buffer = (drawCmd as IHasIndexBuffer).IndexBufferObject; IntPtr pointer = buffer.MapBuffer(MapBufferAccess.ReadOnly); List <RecognizedPrimitiveInfo> primitiveInfoList = null; if (glState == null) { primitiveInfoList = recognizer.Recognize(lastVertexId, pointer, drawCmd as DrawElementsCmd); } else { primitiveInfoList = recognizer.Recognize(lastVertexId, pointer, drawCmd as DrawElementsCmd, glState.RestartIndex); } buffer.UnmapBuffer(); return(primitiveInfoList); }
/// <summary> /// 遍历以<paramref name="flatColorVertexId"/>为最后一个顶点的图元, /// 瞄准每个图元的索引(例如1个三角形有3个索引)中的最后一个索引, /// 将此索引在<see cref="IndexBuffer"/>中的索引(位置)收集起来。 /// </summary> /// <param name="arg"></param> /// <param name="flatColorVertexId"></param> /// <returns></returns> private List <RecognizedPrimitiveInfo> GetPossiblePrimitives(PickingEventArgs arg, uint flatColorVertexId) { var drawCmd = this.DrawCommand; DrawMode mode = drawCmd.CurrentMode; PrimitiveRecognizer recognizer = PrimitiveRecognizerFactory.Create( (arg.GeometryType.Contains(GeometryType.Point) && mode.ToGeometryType() == GeometryType.Line) ? DrawMode.Points : mode); List <RecognizedPrimitiveInfo> primitiveInfoList = recognizer.Recognize(flatColorVertexId, drawCmd); return(primitiveInfoList); }
/// <summary> /// 遍历以<paramref name="lastVertexId"/>为最后一个顶点的图元, /// 瞄准每个图元的索引(例如1个三角形有3个索引)中的最后一个索引, /// 将此索引在<see cref="IndexBuffer"/>中的索引(位置)收集起来。 /// </summary> /// <param name="arg"></param> /// <param name="lastVertexId"></param> /// <returns></returns> private List <RecognizedPrimitiveInfo> GetLastIndexIdList(PickingEventArgs arg, uint lastVertexId) { var drawCmd = this.DrawCommand; DrawMode mode = drawCmd.Mode; PrimitiveRecognizer recognizer = PrimitiveRecognizerFactory.Create( (arg.GeometryType.Contains(GeometryType.Point) && mode.ToGeometryType() == GeometryType.Line) ? DrawMode.Points : mode); PrimitiveRestartState glState = GetPrimitiveRestartState(); List <RecognizedPrimitiveInfo> primitiveInfoList = null; if (glState == null) { primitiveInfoList = recognizer.Recognize(lastVertexId, drawCmd); } else { primitiveInfoList = recognizer.Recognize(lastVertexId, drawCmd, glState.RestartIndex); } return(primitiveInfoList); }