OGRE 2.1
Object-Oriented Graphics Rendering Engine
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Specialisation of HardwareIndexBuffer for emulation. More...
#include <OgreGLES2DefaultHardwareBufferManager.h>
Public Types | |
enum | IndexType { IT_16BIT , IT_32BIT } |
enum | LockOptions { HBL_NORMAL , HBL_DISCARD , HBL_READ_ONLY , HBL_NO_OVERWRITE , HBL_WRITE_ONLY } |
Locking options. More... | |
enum | Usage { HBU_STATIC = 1 , HBU_DYNAMIC = 2 , HBU_WRITE_ONLY = 4 , HBU_DISCARDABLE = 8 , HBU_STATIC_WRITE_ONLY = 5 , HBU_DYNAMIC_WRITE_ONLY = 6 , HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE = 14 } |
Enums describing buffer usage; not mutually exclusive. More... | |
Public Member Functions | |
GLES2DefaultHardwareIndexBuffer (IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage) | |
virtual | ~GLES2DefaultHardwareIndexBuffer () |
virtual void | _updateFromShadow (void) |
Updates the real buffer from the shadow buffer, if required. | |
virtual void | copyData (HardwareBuffer &srcBuffer) |
Copy all data from another buffer into this one. | |
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. | |
void * | getDataPtr (size_t offset) const |
size_t | getIndexSize (void) const |
Get the size in bytes of each index. | |
HardwareBufferManagerBase * | getManager () const |
Return the manager of this buffer, if any. | |
size_t | getNumIndexes (void) const |
Get the number of indexes in this buffer. | |
virtual void * | getRenderSystemData (void) |
An internal function that should be used only by a render system for internal use. | |
size_t | getSizeInBytes (void) const |
Returns the size of this buffer in bytes. | |
IndexType | getType (void) const |
Get the type of indexes used in this buffer. | |
Usage | getUsage (void) const |
Returns the Usage flags with which this buffer was created. | |
bool | hasShadowBuffer (void) const |
Returns whether this buffer has a system memory shadow for quicker reading. | |
bool | isLocked (void) const |
Returns whether or not this buffer is currently locked. | |
bool | isSystemMemory (void) const |
Returns whether this buffer is held in system memory. | |
void * | lock (LockOptions options) |
Lock the entire buffer for (potentially) reading / writing. | |
void * | lock (size_t offset, size_t length, LockOptions options) |
Override HardwareBuffer to turn off all shadowing. | |
void | operator delete (void *ptr) |
void | operator delete (void *ptr, const char *, int, const char *) |
void | operator delete (void *ptr, void *) |
void | operator delete[] (void *ptr) |
void | operator delete[] (void *ptr, const char *, int, const char *) |
void * | operator new (size_t sz) |
void * | operator new (size_t sz, const char *file, int line, const char *func) |
operator new, with debug line info | |
void * | operator new (size_t sz, void *ptr) |
placement operator new | |
void * | operator new[] (size_t sz) |
void * | operator new[] (size_t sz, const char *file, int line, const char *func) |
array operator new, with debug line info | |
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. | |
void | suppressHardwareUpdate (bool suppress) |
Pass true to suppress hardware upload of shadow buffer changes. | |
void | unlock (void) |
Override HardwareBuffer to turn off all shadowing. | |
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. | |
Specialisation of HardwareIndexBuffer for emulation.
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inherited |
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inherited |
Locking options.
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inherited |
Enums describing buffer usage; not mutually exclusive.
Ogre::v1::GLES2DefaultHardwareIndexBuffer::GLES2DefaultHardwareIndexBuffer | ( | IndexType | idxType, |
size_t | numIndexes, | ||
HardwareBuffer::Usage | usage | ||
) |
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virtual |
Updates the real buffer from the shadow buffer, if required.
Reimplemented in Ogre::v1::D3D11HardwareBuffer, Ogre::v1::GL3PlusHardwareIndexBuffer, Ogre::v1::GL3PlusHardwareVertexBuffer, Ogre::v1::MetalHardwareIndexBuffer, and Ogre::v1::MetalHardwareVertexBuffer.
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inlinevirtualinherited |
Copy all data from another buffer into this one.
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inlinevirtualinherited |
Copy data from another buffer into this one.
srcBuffer | The buffer from which to read the copied data |
srcOffset | Offset in the source buffer at which to start reading |
dstOffset | Offset in the destination buffer to start writing |
length | Length of the data to copy, in bytes. |
discardWholeBuffer | If true, will discard the entire contents of this buffer before copying |
Reimplemented in Ogre::v1::D3D11HardwareBuffer, Ogre::v1::D3D11HardwareIndexBuffer, Ogre::v1::D3D11HardwareUniformBuffer, Ogre::v1::D3D11HardwareVertexBuffer, Ogre::v1::GL3PlusHardwareCounterBuffer, Ogre::v1::GL3PlusHardwareIndexBuffer, Ogre::v1::GL3PlusHardwareShaderStorageBuffer, Ogre::v1::GL3PlusHardwareUniformBuffer, Ogre::v1::GL3PlusHardwareVertexBuffer, Ogre::v1::GLES2HardwareUniformBuffer, Ogre::v1::MetalHardwareIndexBuffer, and Ogre::v1::MetalHardwareVertexBuffer.
Get the size in bytes of each index.
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inlineinherited |
Return the manager of this buffer, if any.
Get the number of indexes in this buffer.
An internal function that should be used only by a render system for internal use.
Reimplemented in Ogre::v1::MetalHardwareIndexBuffer, and Ogre::v1::MetalHardwareVertexBuffer.
Returns the size of this buffer in bytes.
Get the type of indexes used in this buffer.
Returns the Usage flags with which this buffer was created.
Returns whether this buffer has a system memory shadow for quicker reading.
Returns whether or not this buffer is currently locked.
References Ogre::v1::HardwareBuffer::isLocked().
Referenced by Ogre::v1::HardwareBuffer::isLocked(), and Ogre::v1::HardwareBuffer::unlock().
Returns whether this buffer is held in system memory.
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inlineinherited |
Lock the entire buffer for (potentially) reading / writing.
options | Locking options |
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virtual |
Override HardwareBuffer to turn off all shadowing.
Reimplemented from Ogre::v1::HardwareBuffer.
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inlineinherited |
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inlineinherited |
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inlineinherited |
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inlineinherited |
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inlineinherited |
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inlineinherited |
operator new, with debug line info
placement operator new
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inlineinherited |
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inlineinherited |
array operator new, with debug line info
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virtual |
Reads data from the buffer and places it in the memory pointed to by pDest.
offset | The byte offset from the start of the buffer to read |
length | The size of the area to read, in bytes |
pDest | The area of memory in which to place the data, must be large enough to accommodate the data! |
Implements Ogre::v1::HardwareBuffer.
Pass true to suppress hardware upload of shadow buffer changes.
Override HardwareBuffer to turn off all shadowing.
Reimplemented from Ogre::v1::HardwareBuffer.
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virtual |
Writes data to the buffer from an area of system memory; note that you must ensure that your buffer is big enough.
offset | The byte offset from the start of the buffer to start writing |
length | The size of the data to write to, in bytes |
pSource | The source of the data to be written |
discardWholeBuffer | If true, this allows the driver to discard the entire buffer when writing, such that DMA stalls can be avoided; use if you can. |
Implements Ogre::v1::HardwareBuffer.