OGRE  master
Object-Oriented Graphics Rendering Engine
Ogre::HardwareVertexBuffer Class Referencefinal

Specialisation of HardwareBuffer for a vertex buffer. More...

#include <OgreHardwareVertexBuffer.h>

+ Inheritance diagram for Ogre::HardwareVertexBuffer:

Public Member Functions

 HardwareVertexBuffer (HardwareBufferManagerBase *mgr, size_t vertexSize, size_t numVertices, Usage usage, bool useShadowBuffer)
 Should be called by HardwareBufferManager. More...
 
 HardwareVertexBuffer (HardwareBufferManagerBase *mgr, size_t vertexSize, size_t numVertices, HardwareBuffer *delegate)
 
 ~HardwareVertexBuffer ()
 
uint32 getInstanceDataStepRate () const
 Get the number of instances to draw using the same per-instance data before advancing in the buffer by one element. More...
 
HardwareBufferManagerBasegetManager () const
 Return the manager of this buffer, if any. More...
 
uint32 getNumVertices (void) const
 Get the number of vertices in this buffer. More...
 
uint32 getVertexSize (void) const
 Gets the size in bytes of a single vertex in this buffer. More...
 
bool isInstanceData () const
 Get if this vertex buffer is an "instance data" buffer (per instance) More...
 
void setInstanceDataStepRate (const size_t val)
 Set the number of instances to draw using the same per-instance data before advancing in the buffer by one element. More...
 
void setIsInstanceData (const bool val)
 Set if this vertex buffer is an "instance data" buffer (per instance) More...
 
- Public Member Functions inherited from Ogre::HardwareBuffer
 HardwareBuffer (Usage usage, bool useShadowBuffer)
 Constructor, to be called by HardwareBufferManager only. More...
 
virtual ~HardwareBuffer ()
 
template<typename T >
T * _getImpl ()
 
virtual void _updateFromShadow (void)
 Updates the real buffer from the shadow buffer, if required. More...
 
virtual void copyData (HardwareBuffer &srcBuffer, size_t srcOffset, size_t dstOffset, size_t length, bool discardWholeBuffer=false)
 Copy data from another buffer into this one. More...
 
void copyData (HardwareBuffer &srcBuffer)
 Copy all data from another buffer into this one. More...
 
size_t getSizeInBytes (void) const
 Returns the size of this buffer in bytes. More...
 
Usage getUsage (void) const
 Returns the Usage flags with which this buffer was created. More...
 
bool hasShadowBuffer (void) const
 Returns whether this buffer has a system memory shadow for quicker reading. More...
 
bool isLocked (void) const
 Returns whether or not this buffer is currently locked. More...
 
virtual bool isSystemMemory (void) const
 Returns whether this buffer is held in system memory. More...
 
virtual void * lock (size_t offset, size_t length, LockOptions options)
 Lock the buffer for (potentially) reading / writing. More...
 
void * lock (LockOptions options)
 
virtual void readData (size_t offset, size_t length, void *pDest)
 Reads data from the buffer and places it in the memory pointed to by pDest. More...
 
void suppressHardwareUpdate (bool suppress)
 Pass true to suppress hardware upload of shadow buffer changes. More...
 
void unlock (void)
 Releases the lock on this buffer. More...
 
virtual void writeData (size_t offset, size_t length, const void *pSource, bool discardWholeBuffer=false)
 Writes data to the buffer from an area of system memory; note that you must ensure that your buffer is big enough. More...
 

Additional Inherited Members

- Public Types inherited from Ogre::HardwareBuffer
enum  LockOptions : uint8 {
  HBL_NORMAL, HBL_DISCARD, HBL_READ_ONLY, HBL_NO_OVERWRITE,
  HBL_WRITE_ONLY
}
 Locking options. More...
 
typedef uint8 Usage
 
enum  UsageEnum {
  HBU_STATIC = HBU_GPU_TO_CPU, HBU_DYNAMIC = HBU_CPU_ONLY, HBU_WRITE_ONLY = HBU_DETAIL_WRITE_ONLY, HBU_DISCARDABLE = 8,
  HBU_STATIC_WRITE_ONLY = HBU_GPU_ONLY, HBU_DYNAMIC_WRITE_ONLY = HBU_CPU_TO_GPU, HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE = HBU_CPU_TO_GPU
}
 Rather use HardwareBufferUsage. More...
 

Detailed Description

Specialisation of HardwareBuffer for a vertex buffer.

Constructor & Destructor Documentation

◆ HardwareVertexBuffer() [1/2]

Ogre::HardwareVertexBuffer::HardwareVertexBuffer ( HardwareBufferManagerBase mgr,
size_t  vertexSize,
size_t  numVertices,
Usage  usage,
bool  useShadowBuffer 
)

Should be called by HardwareBufferManager.

◆ HardwareVertexBuffer() [2/2]

Ogre::HardwareVertexBuffer::HardwareVertexBuffer ( HardwareBufferManagerBase mgr,
size_t  vertexSize,
size_t  numVertices,
HardwareBuffer delegate 
)

◆ ~HardwareVertexBuffer()

Ogre::HardwareVertexBuffer::~HardwareVertexBuffer ( )

Member Function Documentation

◆ getManager()

HardwareBufferManagerBase* Ogre::HardwareVertexBuffer::getManager ( ) const
inline

Return the manager of this buffer, if any.

◆ getVertexSize()

uint32 Ogre::HardwareVertexBuffer::getVertexSize ( void  ) const
inline

Gets the size in bytes of a single vertex in this buffer.

Referenced by Ogre::Lod0Stripifier::~Lod0Stripifier().

◆ getNumVertices()

uint32 Ogre::HardwareVertexBuffer::getNumVertices ( void  ) const
inline

Get the number of vertices in this buffer.

Referenced by Ogre::Lod0Stripifier::~Lod0Stripifier().

◆ isInstanceData()

bool Ogre::HardwareVertexBuffer::isInstanceData ( ) const
inline

Get if this vertex buffer is an "instance data" buffer (per instance)

◆ setIsInstanceData()

void Ogre::HardwareVertexBuffer::setIsInstanceData ( const bool  val)

Set if this vertex buffer is an "instance data" buffer (per instance)

◆ getInstanceDataStepRate()

uint32 Ogre::HardwareVertexBuffer::getInstanceDataStepRate ( ) const

Get the number of instances to draw using the same per-instance data before advancing in the buffer by one element.

◆ setInstanceDataStepRate()

void Ogre::HardwareVertexBuffer::setInstanceDataStepRate ( const size_t  val)

Set the number of instances to draw using the same per-instance data before advancing in the buffer by one element.


The documentation for this class was generated from the following file: