VTK
vtkDataTransferHelper.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkDataTransferHelper.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
31#ifndef vtkDataTransferHelper_h
32#define vtkDataTransferHelper_h
33
34#include "vtkRenderingOpenGLModule.h" // For export macro
35#include "vtkObject.h"
36#include "vtkWeakPointer.h" // needed for vtkWeakPointer.
37#include "vtkSmartPointer.h" // needed for vtkSmartPointer.
38
39class vtkDataArray;
43class vtkRenderWindow;
44
45class VTKRENDERINGOPENGL_EXPORT vtkDataTransferHelper : public vtkObject
46{
47public:
50 void PrintSelf(ostream& os, vtkIndent indent);
51
53
63
65
75 vtkSetVector6Macro(CPUExtent, int);
76 vtkGetVector6Macro(CPUExtent, int);
78
80
87 vtkSetVector6Macro(GPUExtent, int);
88 vtkGetVector6Macro(GPUExtent, int);
90
92
99 vtkSetVector6Macro(TextureExtent, int);
100 vtkGetVector6Macro(TextureExtent, int);
102
109
114
119
124
126
139 vtkSetMacro(MinTextureDimension,int);
140 vtkGetMacro(MinTextureDimension,int);
142
144
147 vtkGetObjectMacro(Array, vtkDataArray);
148 void SetArray(vtkDataArray* array);
150
152
155 vtkGetObjectMacro(Texture, vtkTextureObject);
158
179 bool Upload(int components=0,
180 int *componentList=NULL);
181
205 bool Download();
206
208
216
219
223 static bool IsSupported(vtkRenderWindow* renWin);
224
225protected:
228
233
234 int CPUExtent[6];
235 int GPUExtent[6];
236 int TextureExtent[6];
237
243
245
247
248 // We try to reuse the PBO if possible.
250private:
251 vtkDataTransferHelper(const vtkDataTransferHelper&) VTK_DELETE_FUNCTION;
252 void operator=(const vtkDataTransferHelper&) VTK_DELETE_FUNCTION;
253
254};
255
256#endif
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
is a helper class that aids in transferring data between CPU memory and GPU memory.
bool GetTextureExtentIsValid()
Tells if TextureExtent is valid.
bool GetGPUExtentIsValid()
Tells if GPUExtent is valid.
void SetContext(vtkRenderWindow *context)
Get/Set the context.
static vtkDataTransferHelper * New()
bool Download()
old comment: Download Extent from GPU data buffer to CPU.
vtkTextureObject * Texture
vtkRenderWindow * GetContext()
bool GetExtentIsValid(int *extent)
Tells if the given extent (6 int) is valid.
bool GetCPUExtentIsValid()
Tells if CPUExtent is valid.
bool DownloadAsync1()
Splits the download in two operations.
bool GetShaderSupportsTextureInt()
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
static bool IsSupported(vtkRenderWindow *renWin)
Returns if the context supports the required extensions.
void SetTexture(vtkTextureObject *texture)
vtkWeakPointer< vtkRenderWindow > Context
vtkSmartPointer< vtkPixelBufferObject > AsyncDownloadPBO
vtkSmartPointer< vtkPixelBufferObject > PBO
void SetArray(vtkDataArray *array)
bool Upload(int components=0, int *componentList=NULL)
Old comment.
vtkPixelBufferObject * GetPBO()
bool LoadRequiredExtensions(vtkOpenGLExtensionManager *)
Load all necessary extensions.
void SetShaderSupportsTextureInt(bool value)
a simple class to control print indentation
Definition: vtkIndent.h:40
abstract base class for most VTK objects
Definition: vtkObject.h:60
Interface class for querying and using OpenGL extensions.
abstracts an OpenGL pixel buffer object.
create a window for renderers to draw into
abstracts an OpenGL texture object.
@ value
Definition: vtkX3D.h:220
@ extent
Definition: vtkX3D.h:345
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.