nux-1.16.0
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00001 /* 00002 * Copyright 2010 Inalogic® Inc. 00003 * 00004 * This program is free software: you can redistribute it and/or modify it 00005 * under the terms of the GNU Lesser General Public License, as 00006 * published by the Free Software Foundation; either version 2.1 or 3.0 00007 * of the License. 00008 * 00009 * This program is distributed in the hope that it will be useful, but 00010 * WITHOUT ANY WARRANTY; without even the implied warranties of 00011 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR 00012 * PURPOSE. See the applicable version of the GNU Lesser General Public 00013 * License for more details. 00014 * 00015 * You should have received a copy of both the GNU Lesser General Public 00016 * License along with this program. If not, see <http://www.gnu.org/licenses/> 00017 * 00018 * Authored by: Jay Taoko <jaytaoko@inalogic.com> 00019 * 00020 */ 00021 00022 00023 #ifndef IOPENGLVERTEXDECLARATION_H 00024 #define IOPENGLVERTEXDECLARATION_H 00025 00026 namespace nux 00027 { 00028 00029 class IOpenGLResource; 00030 class IOpenGLVertexDeclaration: public IOpenGLResource 00031 { 00032 NUX_DECLARE_OBJECT_TYPE(IOpenGLVertexDeclaration, IOpenGLResource); 00033 00034 public: 00035 virtual ~IOpenGLVertexDeclaration(); 00036 00037 VERTEXELEMENT GetUsage(ATTRIB_USAGE_DECL usage); 00038 bool IsUsingMoreThanStreamZero(); 00039 int GetStride(int vertex_input_number); 00040 00041 void SetVertexShaderAttributeLocation(int input_index, int shader_attribute_location); 00042 int GetVertexShaderAttributeLocation(int input_index); 00043 00044 private: 00045 void SetVertexBuffer(int input_index, ObjectPtr<IOpenGLVertexBuffer> vertex_buffer); 00046 ObjectPtr<IOpenGLVertexBuffer> GetVertexBuffer(int input_index); 00047 00048 IOpenGLVertexDeclaration (const VERTEXELEMENT *pVertexElements); 00049 00050 int _stride[8]; 00051 int _valid_vertex_input[16]; // Vertex Input valid for this vertex declaration 00052 00053 int shader_attribute_location_array[8]; 00054 00055 std::vector<ObjectPtr<IOpenGLVertexBuffer> > vertex_buffer_array; 00056 std::vector<VERTEXELEMENT> _declarations_array; 00057 00058 friend class GpuDevice; 00059 friend class CachedMeshBuffer; 00060 }; 00061 00062 } 00063 00064 #endif // IOPENGLVERTEXDECLARATION_H