Group node that renders its children to one or more "targets". More...
#include <Inventor/nodes/SoRenderToTarget.h>
Public Types | |
enum | Attachment { COLOR0 , COLOR1 , COLOR2 , COLOR3 , COLOR4 , COLOR5 , COLOR6 , COLOR7 , COLOR8 , COLOR9 , COLOR10 , COLOR11 , COLOR12 , COLOR13 , COLOR14 , COLOR15 , DEPTH , STENCIL , DEPTH_STENCIL , LAST_ENTRY } |
Attachment. More... | |
enum | Mode { AUTO , INTERNAL , TARGET_COPY , NONE } |
This enum defines modifiers for the auto detection mechanism. More... | |
Public Types inherited from SoSeparator | |
enum | CacheEnabled { OFF , ON , AUTO } |
Possible values for caching. More... | |
enum | FastEditing { DISABLE = 0x01 , KEEP_ZBUFFER = 0x02 , CLEAR_ZBUFFER = 0x03 } |
Fast editing policy enumeration values. More... | |
Public Member Functions | |
virtual SoType | getTypeId () const |
Returns the type identifier for this specific instance. | |
SoRenderToTarget () | |
Default constructor. | |
int | getRasterizedSamplesCount () const |
Returns the number of samples generated by the rasterizer during the last GLRender action. | |
Public Member Functions inherited from SoSeparator | |
SoSeparator () | |
Creates a separator node with default settings. | |
SoSeparator (int nChildren) | |
Constructor that takes approximate number of children. | |
Public Member Functions inherited from SoGroup | |
SoGroup () | |
Creates an empty group node. | |
SoGroup (int nChildren) | |
Constructor that takes approximate number of children. | |
virtual void | addChild (SoNode *child) |
Adds a child as last one in group. | |
virtual void | insertChild (SoNode *child, int newChildIndex) |
Adds a child so that it becomes the one with the given index. | |
virtual SoNode * | getChild (int index) const |
Returns pointer the child node with the given index. | |
virtual int | findChild (const SoNode *child) const |
Finds index of given child within group. | |
virtual int | getNumChildren () const |
Returns number of children. | |
virtual void | removeChild (int index) |
Removes child with given index from group. | |
virtual void | removeChild (SoNode *child) |
Removes first instance of given child from group. | |
virtual void | removeAllChildren () |
Removes all children from group. | |
virtual void | replaceChild (int index, SoNode *newChild) |
Replaces child with given index with new child. | |
virtual void | replaceChild (SoNode *oldChild, SoNode *newChild) |
Replaces first instance of given child with new child. | |
Public Member Functions inherited from SoNode | |
virtual void | setOverride (const SbBool state) |
Turns the override flag on or off. | |
virtual SbBool | isOverride () const |
Returns the state of the override flag. | |
virtual SoNode * | copy (SbBool copyConnections=FALSE) const |
Creates and returns an exact copy of the node. | |
virtual void | touch () |
Marks an instance as modified, simulating a change to it. | |
Public Member Functions inherited from SoFieldContainer | |
void | setToDefaults () |
Sets all fields in this object to their default values. | |
SbBool | hasDefaultValues () const |
Returns TRUE if all of the object's fields have their default values. | |
SbBool | fieldsAreEqual (const SoFieldContainer *fc) const |
Returns TRUE if this object's fields are exactly equal to fc's fields. | |
void | copyFieldValues (const SoFieldContainer *fc, SbBool copyConnections=FALSE) |
Copies the contents of fc's fields into this object's fields. | |
SoNONUNICODE SbBool | set (const char *fieldDataString) |
Sets one or more fields in this object to the values specified in the given string, which should be a string in the Open Inventor file format. | |
SbBool | set (const SbString &fieldDataString) |
Sets one or more fields in this object to the values specified in the given string, which should be a string in the Open Inventor file format. | |
void | get (SbString &fieldDataString) |
Returns the values of the fields of this object in the Open Inventor ASCII file format in the given string. | |
virtual int | getFields (SoFieldList &list) const |
Appends references to all of this object's fields to resultList, and returns the number of fields appended. | |
virtual int | getAllFields (SoFieldList &list) const |
Returns a list of fields, including the eventIn's and eventOut's. | |
virtual SoField * | getField (const SbName &fieldName) const |
Returns a the field of this object whose name is fieldName. | |
virtual SoField * | getEventIn (const SbName &fieldName) const |
Returns a the eventIn with the given name. | |
virtual SoField * | getEventOut (const SbName &fieldName) const |
Returns the eventOut with the given name. | |
SbBool | getFieldName (const SoField *field, SbName &fieldName) const |
Returns the name of the given field in the fieldName argument. | |
SbBool | enableNotify (SbBool flag) |
Notification at this Field Container is enabled (if flag == TRUE) or disabled (if flag == FALSE). | |
SbBool | isNotifyEnabled () const |
Notification is the process of telling interested objects that this object has changed. | |
virtual void | setUserData (void *data) |
Sets application data. | |
void * | getUserData (void) const |
Gets user application data. | |
Public Member Functions inherited from SoBase | |
virtual SbName | getName () const |
Returns the name of an instance. | |
virtual void | setName (const SbName &name) |
Sets the name of an instance. | |
void | setSynchronizable (const bool b) |
Sets this to be a ScaleViz synchronizable object. | |
bool | isSynchronizable () const |
Gets the ScaleViz synchronizable state of this object. | |
Public Member Functions inherited from SoRefCounter | |
void | ref () const |
Adds a reference to an instance. | |
void | unref () const |
Removes a reference from an instance. | |
void | unrefNoDelete () const |
unrefNoDelete() should be called when it is desired to decrement the reference count, but not delete the instance if this brings the reference count to zero. | |
int | getRefCount () const |
Returns current reference count. | |
void | lock () const |
lock this instance. | |
void | unlock () const |
unlock this instance. | |
Public Member Functions inherited from SoTypedObject | |
SbBool | isOfType (const SoType &type) const |
Returns TRUE if this object is of the type specified in type or is derived from that type. | |
template<typename TypedObjectClass > | |
SbBool | isOfType () const |
Returns TRUE if this object is of the type of class TypedObjectClass or is derived from that class. | |
Static Public Member Functions | |
static SoType | getClassTypeId () |
Returns the type identifier for this class. | |
static SbBool | isSupported (SoState *state=NULL) |
Indicates if this node can be used on the actual hardware. | |
Static Public Member Functions inherited from SoSeparator | |
static SoType | getClassTypeId () |
Returns the type identifier for this class. | |
Static Public Member Functions inherited from SoGroup | |
static SoType | getClassTypeId () |
Returns the type identifier for this class. | |
Static Public Member Functions inherited from SoNode | |
static SoType | getClassTypeId () |
Returns the type identifier for this class. | |
static SoNode * | getByName (const SbName &name) |
A node's name can be set using SoBase::setName(). | |
static int | getByName (const SbName &name, SoNodeList &list) |
A node's name can be set using SoBase::setName(). | |
Static Public Member Functions inherited from SoFieldContainer | |
static SoType | getClassTypeId () |
Returns the type of this class. | |
Static Public Member Functions inherited from SoBase | |
static SoType | getClassTypeId () |
Returns type identifier for this class. | |
Static Public Member Functions inherited from SoTypedObject | |
static SoType | getClassTypeId () |
Returns the type identifier for this class. | |
Public Attributes | |
SoMFEnum | modes |
This defines the mode modifier for the targets. | |
SoMFNode | targets |
This field allows to attach a texture to a specific attachment. | |
SoMFInt32 | layers |
This field is used when targets are SoTexture3 or SoTextureCubeMap. | |
SoSFBool | clearTargets |
If this field is set the targets are cleared before the rendering. | |
SoSFVec4f | clearColorValue |
Value used to clear the color buffer before the rendering. | |
SoSFFloat | clearDepthValue |
Value used to clear the depth buffer before the rendering. | |
SoSFInt32 | clearStencilValue |
Value used to clear the stencil buffer before the rendering. | |
SoSFFloat | antialiasingQuality |
This field defines the antialiasing quality between 0.0 and 1.0 for the rendering. | |
SoSFVec2i32 | size |
This field allows a custom rendering size for the render to texture. | |
SoSFBool | enableFragmentsQuery |
This field enables or disables the query counter used to count the number of fragments rasterized during the render to texture operation. | |
Public Attributes inherited from SoSeparator | |
SoSFEnum | boundingBoxCaching |
Whether to cache during bounding box traversal. | |
SoSFEnum | renderCulling |
Whether to cull during rendering traversal. | |
SoSFEnum | pickCulling |
Whether to cull during picking traversal. | |
SoSFEnum | fastEditing |
Specifies the fast edit mode of the separator node. | |
SoSFInt32 | renderUnitId |
Used during the ScaleViz depth compositing process, this field specifies which render unit (OIRU) will render the sub scene graph below this separator. | |
SoDEPRECATED SoSFEnum | renderCaching |
Whether to cache during rendering traversal. | |
Public Attributes inherited from SoGroup | |
SoSFBool | boundingBoxIgnoring |
Whether to ignore this node during bounding box traversal. | |
Group node that renders its children to one or more "targets".
This group node renders its children to one or more render targets.
Multiple targets can be "attached" to the different outputs of the node.
This node also provides antialiasing. When FrameBufferObjects (FBO) are used (this is the default mode if they are available) multisampling can be configured in order to perform antialiasing on the FBO. This MSAA feature is not related to the viewer's FSAA. The quality factor is set between 0.f(default value) and 1.f. The underlying system will setup the FBO with the correct number of samples according to the quality value and according to the attachments configuration.
By default the node clears the targets when the rendering is started. The values used to clear the buffers can be specified by the fields clearColorValue, clearDepthValue and clearStencilValue. It is also possible to disable this feature by setting the field clearTargets to FALSE.
During rendering, the viewport from the Open Inventor state is used, which means that the current size of the render area is used. It is possible to change this default behavior by setting the size field. Setting it to (-1, -1) will switch back to the default mode, other values will be used as the custom rendering size in pixels. The targets are automatically resized to the correct size.
The SoRenderToTextureProperty node can also be used to create a texture image and is useful for simpler cases.
NOTES:
NOTE: node available since Open Inventor 8.6
modes | AUTO |
targets | NULL |
layers | 0 |
clearTargets | TRUE |
clearColorValue | (0.F, 0.F, 0.F, 0.F) |
clearDepthValue | 1.F |
clearStencilValue | 0 |
antialiasingQuality | 0.F |
size | (-1, -1) |
enableFragmentsQuery | FALSE |
Definition at line 143 of file SoRenderToTarget.h.
Attachment.
This enum is used to specify which output of the rasterizer is considered. Use these values as indices when setting the targets and modes fields.
Definition at line 155 of file SoRenderToTarget.h.
This enum defines modifiers for the auto detection mechanism.
Enumerator | |
---|---|
AUTO | Default value, use OIV auto detection algorithm. The detection algorithm checks the content of the targets field. NOTE: The node will use INTERNAL for DEPTH and COLOR0, NONE for the others. |
INTERNAL | Use an internal buffer for the rendering. Some buffers are useful only for shaders or for correct rendering (like depth buffer for the depth tests) but they don't need to be attached to a specific target. |
TARGET_COPY | After the rendering the rendered content is copied back to the node in CPU memory. |
NONE | Do not use any target. |
Definition at line 184 of file SoRenderToTarget.h.
SoRenderToTarget::SoRenderToTarget | ( | ) |
Default constructor.
|
static |
Returns the type identifier for this class.
int SoRenderToTarget::getRasterizedSamplesCount | ( | ) | const |
Returns the number of samples generated by the rasterizer during the last GLRender action.
To enable this feature the enableFragmentsQuery field must be set to TRUE. Otherwise the result is undefined.
|
virtual |
Returns the type identifier for this specific instance.
Reimplemented from SoSeparator.
Indicates if this node can be used on the actual hardware.
When using a debug build of Open Inventor, some "no context available" warning messages may be generated. You can ignore them or see SoGLExtension for an example of using SoGLContext to avoid them.
SoSFFloat SoRenderToTarget::antialiasingQuality |
This field defines the antialiasing quality between 0.0 and 1.0 for the rendering.
The value 1.0 represents the maximun quality possible on this hardware. Default is 0.
NOTE: Hardware limitations: The result depends on the support for multisampling in FBO or the FSAA support for PBuffers.
Definition at line 302 of file SoRenderToTarget.h.
SoSFVec4f SoRenderToTarget::clearColorValue |
Value used to clear the color buffer before the rendering.
Default is (0.0, 0.0, 0.0, 0.0).
Definition at line 282 of file SoRenderToTarget.h.
SoSFFloat SoRenderToTarget::clearDepthValue |
Value used to clear the depth buffer before the rendering.
Default is 1.0.
Definition at line 287 of file SoRenderToTarget.h.
SoSFInt32 SoRenderToTarget::clearStencilValue |
Value used to clear the stencil buffer before the rendering.
Default is 0.
Definition at line 292 of file SoRenderToTarget.h.
SoSFBool SoRenderToTarget::clearTargets |
If this field is set the targets are cleared before the rendering.
Default is TRUE.
Definition at line 277 of file SoRenderToTarget.h.
SoSFBool SoRenderToTarget::enableFragmentsQuery |
This field enables or disables the query counter used to count the number of fragments rasterized during the render to texture operation.
Default is FALSE.
The method getRasterizedSamplesCount() can be used to get the result of the query.
Definition at line 317 of file SoRenderToTarget.h.
SoMFInt32 SoRenderToTarget::layers |
This field is used when targets are SoTexture3 or SoTextureCubeMap.
It describes the layer where the color attachment must be written, along the Z dimension for SoTexture3, or the cube map face for SoTextureCubeMap (the cube map faces order is presented in the table below). This field is indexed by color attachments (i.e. from COLOR0 to COLOR15) and has no effect when targets are of type SoTexture2 or when target attachments are DEPTH or STENCIL, which require a SoTexture2 Target.
Layer number | Cube Map Face |
---|---|
0 | Positive X |
1 | Negative X |
2 | Positive Y |
3 | Negative Y |
4 | Positive Z |
5 | Negative Z |
Definition at line 272 of file SoRenderToTarget.h.
SoMFEnum SoRenderToTarget::modes |
This defines the mode modifier for the targets.
For each target it is possible to specify a mode. Use enum Mode. Default is AUTO.
NOTE: This field is indexed using the Attachment enum. For example (in pseudo-code):
Definition at line 218 of file SoRenderToTarget.h.
SoSFVec2i32 SoRenderToTarget::size |
This field allows a custom rendering size for the render to texture.
When this field is set to the default value (-1, -1) the global viewport size from the viewer is used. The size is in pixels.
Definition at line 309 of file SoRenderToTarget.h.
SoMFNode SoRenderToTarget::targets |
This field allows to attach a texture to a specific attachment.
Supported target types are SoTexture2, SoTexture3 and SoTextureCubeMap. Default is empty (no targets).
NOTE: This field is indexed using the Attachment enum. For example (in pseudo-code):
Definition at line 230 of file SoRenderToTarget.h.