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/*
* Copyright 2010 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#ifndef IOPENGLVERTEXDECLARATION_H
#define IOPENGLVERTEXDECLARATION_H
namespace nux
{
class IOpenGLResource;
class IOpenGLVertexDeclaration: public IOpenGLResource
{
NUX_DECLARE_OBJECT_TYPE(IOpenGLVertexDeclaration, IOpenGLResource);
public:
virtual ~IOpenGLVertexDeclaration();
VERTEXELEMENT GetUsage(ATTRIB_USAGE_DECL usage);
bool IsUsingMoreThanStreamZero();
int GetStride(int vertex_input_number);
void SetVertexShaderAttributeLocation(int input_index, int shader_attribute_location);
int GetVertexShaderAttributeLocation(int input_index);
private:
void SetVertexBuffer(int input_index, ObjectPtr<IOpenGLVertexBuffer> vertex_buffer);
ObjectPtr<IOpenGLVertexBuffer> GetVertexBuffer(int input_index);
IOpenGLVertexDeclaration(const VERTEXELEMENT *pVertexElements);
int _stride[8]; //!< Stride for each stream
int _valid_vertex_input[16]; // Vertex Input valid for this vertex declaration
int shader_attribute_location_array[8];
std::vector<ObjectPtr<IOpenGLVertexBuffer> > vertex_buffer_array;
std::vector<VERTEXELEMENT> _declarations_array;
friend class GpuDevice;
friend class CachedMeshBuffer;
};
}
#endif // IOPENGLVERTEXDECLARATION_H
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