You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
3 weeks ago
|
/*=========================================================================
|
||
|
|
|
||
|
|
Program: Visualization Toolkit
|
||
|
|
Module: vtkShaderDeviceAdapter2.h
|
||
|
|
|
||
|
|
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
|
||
|
|
All rights reserved.
|
||
|
|
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
|
||
|
|
|
||
|
|
This software is distributed WITHOUT ANY WARRANTY; without even
|
||
|
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
||
|
|
PURPOSE. See the above copyright notice for more information.
|
||
|
|
|
||
|
|
=========================================================================*/
|
||
|
|
/**
|
||
|
|
* @class vtkShaderDeviceAdapter2
|
||
|
|
* @brief an adapter to pass generic vertex attributes
|
||
|
|
* to the rendering pipeline.
|
||
|
|
* .SECTION
|
||
|
|
* This class is an adapter used to pass generic vertex attributes to the
|
||
|
|
* rendering pipeline. Since this changes based on the shading language used,
|
||
|
|
* this class merely defines the API and subclasses provide implementations for
|
||
|
|
* Cg and GL.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef vtkShaderDeviceAdapter2_h
|
||
|
|
#define vtkShaderDeviceAdapter2_h
|
||
|
|
|
||
|
|
#include "vtkRenderingCoreModule.h" // For export macro
|
||
|
|
#include "vtkObject.h"
|
||
|
|
|
||
|
|
class vtkShaderProgram2;
|
||
|
|
|
||
|
|
class VTKRENDERINGCORE_EXPORT vtkShaderDeviceAdapter2 : public vtkObject
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
vtkTypeMacro(vtkShaderDeviceAdapter2, vtkObject);
|
||
|
|
virtual void PrintSelf(ostream &os, vtkIndent indent);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends a single attribute to the graphics card.
|
||
|
|
* The attrname parameter identifies the name of attribute.
|
||
|
|
* The components parameter gives the number of
|
||
|
|
* components in the attribute. In general, components must be between
|
||
|
|
* 1-4, but a rendering system may impose even more constraints. The
|
||
|
|
* type parameter is a VTK type enumeration (VTK_FLOAT, VTK_INT, etc.).
|
||
|
|
* Again, a rendering system may not support all types for all
|
||
|
|
* attributes. The attribute parameter is the actual data for the
|
||
|
|
* attribute.
|
||
|
|
* If offset is specified, it is added to attribute pointer \c after
|
||
|
|
* it has been casted to the proper type.
|
||
|
|
*/
|
||
|
|
virtual void SendAttribute(const char* attrname, int components, int type,
|
||
|
|
const void* attribute,
|
||
|
|
unsigned long offset = 0) = 0;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the shader program which is being updated by this device adapter.
|
||
|
|
* The shader program is not reference counted to avoid reference loops.
|
||
|
|
*/
|
||
|
|
void SetShaderProgram(vtkShaderProgram2* program)
|
||
|
|
{ this->ShaderProgram = program; }
|
||
|
|
vtkGetObjectMacro(ShaderProgram, vtkShaderProgram2)
|
||
|
|
|
||
|
|
// Descrition:
|
||
|
|
// This method is called before rendering. This gives the shader device
|
||
|
|
// adapter an opportunity to collect information, such as attribute indices
|
||
|
|
// that it will need while rendering.
|
||
|
|
virtual void PrepareForRender() = 0;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
vtkShaderDeviceAdapter2();
|
||
|
|
~vtkShaderDeviceAdapter2();
|
||
|
|
|
||
|
|
vtkShaderProgram2* ShaderProgram;
|
||
|
|
|
||
|
|
private:
|
||
|
|
vtkShaderDeviceAdapter2(const vtkShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;
|
||
|
|
void operator=(const vtkShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|