Panda3D
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00001 // Filename: vertexElementArray.h 00002 // Created by: aignacio (Jan06) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef VERTEX_ELEMENT_ARRAY_H 00016 #define VERTEX_ELEMENT_ARRAY_H 00017 00018 //////////////////////////////////////////////////////////////////// 00019 // Class : VertexElementArray 00020 // Description : This class gives the ability for a user-friendly way 00021 // of creating a vertex declaration for DirectX 9. 00022 // Since a vertex shader has a fixed input, the vertex 00023 // element array can be cached so that a new vertex 00024 // declaration for different vertex buffers can be 00025 // quickly created. Be sure to call 00026 // add_end_vertex_element ( ) when finished creating a 00027 // vertex element array. 00028 // VERTEX_ELEMENT_TYPE is used for a simplified mapping 00029 // of vertex buffer data to vertex shader inputs. 00030 // This class is used with DXShaderContext9 and in 00031 // conjunction with DXVertexBufferContext9. 00032 //////////////////////////////////////////////////////////////////// 00033 class VertexElementArray 00034 { 00035 public: 00036 00037 VertexElementArray (int maximum_vertex_elements); 00038 ~VertexElementArray ( ); 00039 00040 void add_position_xyz_vertex_element (int stream_index, int offset); 00041 void add_position_xyzw_vertex_element (int stream_index, int offset); 00042 00043 void add_normal_vertex_element (int stream_index, int offset); 00044 void add_binormal_vertex_element (int stream_index, int offset); 00045 void add_tangent_vertex_element (int stream_index, int offset); 00046 00047 void add_diffuse_color_vertex_element (int stream_index, int offset); 00048 void add_specular_color_vertex_element (int stream_index, int offset); 00049 00050 void add_u_vertex_element (int stream_index, int offset, int texture_stage); 00051 void add_uv_vertex_element (int stream_index, int offset, int texture_stage); 00052 void add_uvw_vertex_element (int stream_index, int offset, int texture_stage); 00053 void add_xyzw_vertex_element (int stream_index, int offset, int texture_stage); 00054 00055 bool add_end_vertex_element (void); 00056 00057 int _total_elements; 00058 int _maximum_vertex_elements; 00059 00060 LPD3DVERTEXELEMENT9 _vertex_element_array; 00061 }; 00062 00063 #endif