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The SoDepthBuffer class is a node used to control the GL depth buffer. More...
#include <SoDepthBuffer.h>
Public Types | |
enum | DepthWriteFunction { NEVER = SoDepthBufferElement::NEVER , ALWAYS = SoDepthBufferElement::ALWAYS , LESS = SoDepthBufferElement::LESS , LEQUAL = SoDepthBufferElement::LEQUAL , EQUAL = SoDepthBufferElement::EQUAL , GEQUAL = SoDepthBufferElement::GEQUAL , GREATER = SoDepthBufferElement::GREATER , NOTEQUAL = SoDepthBufferElement::NOTEQUAL } |
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enum | NodeType { INVENTOR = 0x0000 , VRML1 = 0x0001 , VRML2 = 0x0002 , INVENTOR_1 = 0x0004 , INVENTOR_2_0 = 0x0008 , INVENTOR_2_1 = 0x0010 , INVENTOR_2_5 = 0x0020 , INVENTOR_2_6 = 0x0040 , COIN_1_0 = 0x0080 , COIN_2_0 = 0x0100 , EXTENSION = 0x0200 , COIN_2_2 = 0x0400 , COIN_2_3 = 0x0800 , COIN_2_4 = 0x1000 , INVENTOR_5_0 = 0x2000 , COIN_2_5 = 0x4000 , COIN_3_0 = 0x8000 , INVENTOR_6_0 = 0x10000 } |
Public Attributes | |
SoSFBool | test |
SoSFBool | write |
SoSFEnum | function |
SoSFVec2f | range |
Protected Member Functions | |
virtual const SoFieldData * | getFieldData (void) const |
virtual | ~SoDepthBuffer () |
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SoNode (void) | |
virtual | ~SoNode () |
virtual SbBool | readInstance (SoInput *in, unsigned short flags) |
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SoFieldContainer (void) | |
virtual | ~SoFieldContainer () |
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SoBase (void) | |
virtual | ~SoBase () |
virtual void | destroy (void) |
SbBool | hasMultipleWriteRefs (void) const |
SbBool | writeHeader (SoOutput *out, SbBool isgroup, SbBool isengine) const |
void | writeFooter (SoOutput *out) const |
virtual const char * | getFileFormatName (void) const |
Static Protected Member Functions | |
static const SoFieldData ** | getFieldDataPtr (void) |
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static const SoFieldData ** | getFieldDataPtr (void) |
static void | setNextActionMethodIndex (int index) |
static int | getNextActionMethodIndex (void) |
static void | incNextActionMethodIndex (void) |
static void | setCompatibilityTypes (const SoType &nodetype, const uint32_t bitmask) |
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static uint32_t | getCurrentWriteCounter (void) |
static void | staticDataLock (void) |
static void | staticDataUnlock (void) |
Additional Inherited Members | |
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enum | BaseFlags { IS_ENGINE = 0x01 , IS_GROUP = 0x02 } |
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uint32_t | uniqueId |
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SbBool | isBuiltIn |
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static uint32_t | nextUniqueId = 1 |
static int | nextActionMethodIndex = 0 |
The SoDepthBuffer class is a node used to control the GL depth buffer.
With this node you can control properties related to the OpenGL depth buffer in a variety of ways.
The value range setting is useful if you need to segment the 3D world into different segments with different depth buffer resolutions to get a more optimal depth buffer resolution distribution than what a single, uniform depth buffer value range can give you.
Be aware that this class is an extension for Coin, and it is not available in the original SGI Open Inventor v2.1 API.
Enumeration for the various depth functions.
SoDepthBuffer::SoDepthBuffer | ( | void | ) |
Constructor.
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protectedvirtual |
Destructor.
Returns the type identification of an object derived from a class inheriting SoBase. This is used for run-time type checking and "downward" casting.
Usage example:
For application programmers wanting to extend the library with new nodes, engines, nodekits, draggers or others: this method needs to be overridden in all subclasses. This is typically done as part of setting up the full type system for extension classes, which is usually accomplished by using the pre-defined macros available through for instance Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes), Inventor/engines/SoSubEngine.h (for engine classes) and so on.
For more information on writing Coin extensions, see the class documentation of the toplevel superclasses for the various class groups.
Implements SoBase.
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protectedvirtual |
Returns a pointer to the class-wide field data storage object for this instance. If no fields are present, returns NULL
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Reimplemented from SoFieldContainer.
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virtual |
Action method for the SoGLRenderAction.
This is called during rendering traversals. Nodes influencing the rendering state in any way or who wants to throw geometry primitives at OpenGL overrides this method.
Reimplemented from SoNode.
SoSFBool SoDepthBuffer::test |
Enable depth buffer testing. Defaults to TRUE.
SoSFBool SoDepthBuffer::write |
Enable depth buffer writing. Defaults to TRUE.
SoSFEnum SoDepthBuffer::function |
Which depth function to use. Defaults to LESS.
SoSFVec2f SoDepthBuffer::range |
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