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82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGLSLShaderDeviceAdapter2.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkGLSLShaderDeviceAdapter2
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* @brief adapter to pass generic vertex
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* attributes to the rendering pipeline to be used in a vtkShaderProgram2.
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*
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* vtkShaderDeviceAdapter subclass for vtkShaderProgram2.
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*/
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#ifndef vtkGLSLShaderDeviceAdapter2_h
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#define vtkGLSLShaderDeviceAdapter2_h
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#include "vtkRenderingOpenGLModule.h" // For export macro
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#include "vtkShaderDeviceAdapter2.h"
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class vtkShaderProgram2;
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class VTKRENDERINGOPENGL_EXPORT vtkGLSLShaderDeviceAdapter2
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: public vtkShaderDeviceAdapter2
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{
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public:
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vtkTypeMacro(vtkGLSLShaderDeviceAdapter2, vtkShaderDeviceAdapter2);
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static vtkGLSLShaderDeviceAdapter2 *New();
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virtual void PrintSelf(ostream &os, vtkIndent indent);
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// Descrition:
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// This method is called before rendering. This gives the shader device
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// adapter an opportunity to collect information, such as attribute indices
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// that it will need while rendering.
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virtual void PrepareForRender();
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/**
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* Sends a single attribute to the graphics card.
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* The attrname parameter identifies the name of attribute.
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* The components parameter gives the number of
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* components in the attribute. In general, components must be between
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* 1-4, but a rendering system may impose even more constraints. The
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* type parameter is a VTK type enumeration (VTK_FLOAT, VTK_INT, etc.).
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* Again, a rendering system may not support all types for all
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* attributes. The attribute parameter is the actual data for the
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* attribute.
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* If offset is specified, it is added to attribute pointer \c after
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* it has been casted to the proper type.
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* If attribute is NULL, the OpenGL ID for the attribute will simply be
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* cached.
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*/
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virtual void SendAttribute(const char* attrname,
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int components,
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int type,
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const void *attribute,
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unsigned long offset=0);
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protected:
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vtkGLSLShaderDeviceAdapter2();
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~vtkGLSLShaderDeviceAdapter2();
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int GetAttributeLocation(const char* attrName);
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private:
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vtkGLSLShaderDeviceAdapter2(const vtkGLSLShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;
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void operator=(const vtkGLSLShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;
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class vtkInternal;
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vtkInternal* Internal;
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};
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#endif
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