Panda3D
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A block of bytes on the save file. More...
#include "vertexDataSaveFile.h"
Public Member Functions | |
void | free () |
Releases the allocated space. | |
SimpleAllocator * | get_allocator () const |
Returns the SimpleAllocator object that owns this block. | |
bool | get_compressed () const |
Returns the compressed flag. | |
size_t | get_max_size () const |
Returns the maximum size this block can be reallocated to, as limited by the following block. | |
SimpleAllocatorBlock * | get_next_block () const |
Returns a pointer to the next allocated block in the chain, or NULL if there are no more allocated blocks. | |
unsigned char * | get_pointer () const |
int | get_ref_count () const |
Returns the current reference count. | |
size_t | get_size () const |
Returns the size of this block. | |
size_t | get_start () const |
Returns the starting point of this block. | |
WeakReferenceList * | get_weak_list () const |
Returns the WeakReferenceList associated with this ReferenceCount object. | |
bool | has_weak_list () const |
Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. | |
bool | is_free () const |
Returns true if the block has been freed, false if it is still valid. | |
void | local_object () |
This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. | |
void | operator delete (void *ptr) |
void | operator delete (void *ptr, void *) |
void | operator delete[] (void *ptr) |
void | operator delete[] (void *, void *) |
void * | operator new (size_t size) |
void * | operator new (size_t size, void *ptr) |
void * | operator new[] (size_t size, void *ptr) |
void * | operator new[] (size_t size) |
void | output (ostream &out) const |
bool | realloc (size_t size) |
Changes the size of this block to the specified size. | |
void | ref () const |
Explicitly increments the reference count. | |
void | set_compressed (bool compressed) |
Sets the compressed flag. | |
bool | test_ref_count_integrity () const |
Does some easy checks to make sure that the reference count isn't completely bogus. | |
bool | test_ref_count_nonzero () const |
Does some easy checks to make sure that the reference count isn't zero, or completely bogus. | |
virtual bool | unref () const |
Explicitly decrements the reference count. | |
void | weak_ref (WeakPointerToVoid *ptv) |
Adds the indicated PointerToVoid as a weak reference to this object. | |
void | weak_unref (WeakPointerToVoid *ptv) |
Removes the indicated PointerToVoid as a weak reference to this object. | |
Static Public Member Functions | |
static TypeHandle | get_class_type () |
static void | init_type () |
Protected Member Functions | |
VertexDataSaveBlock (VertexDataSaveFile *file, size_t start, size_t size) | |
void | do_free () |
Releases the allocated space. | |
size_t | do_get_max_size () const |
Returns the maximum size this block can be reallocated to, as limited by the following block. | |
bool | do_realloc (size_t size) |
Changes the size of this block to the specified size. | |
bool | do_test_ref_count_integrity () const |
Does some easy checks to make sure that the reference count isn't completely bogus. | |
bool | do_test_ref_count_nonzero () const |
Returns true if the reference count is nonzero, false otherwise. | |
void | insert_after (LinkedListNode *node) |
Adds a LinkedListNode record after the indicated node in the doubly-linked list. | |
void | insert_before (LinkedListNode *node) |
Adds a LinkedListNode record before the indicated node in the doubly-linked list. | |
bool | is_on_list () const |
Returns true if the node is member of any list, false if it has been removed or never added. | |
void | remove_from_list () |
Removes a LinkedListNode record from the doubly-linked list. | |
void | take_list_from (LinkedListNode *other_root) |
Given that this LinkedListNode represents the root of a list, and the other pointer represents the root of a different list, move all of the nodes (except the root itself) from other_root onto this list. | |
Protected Attributes | |
LinkedListNode * | _next |
LinkedListNode * | _prev |
Friends | |
class | VertexDataSaveFile |
A block of bytes on the save file.
Definition at line 75 of file vertexDataSaveFile.h.
void SimpleAllocatorBlock::do_free | ( | ) | [inline, protected, inherited] |
Releases the allocated space.
Assumes the lock is already held.
Definition at line 296 of file simpleAllocator.I.
References SimpleAllocator::mark_contiguous(), and LinkedListNode::remove_from_list().
Referenced by SimpleAllocatorBlock::free().
size_t SimpleAllocatorBlock::do_get_max_size | ( | ) | const [inline, protected, inherited] |
Returns the maximum size this block can be reallocated to, as limited by the following block.
Assumes the lock is already held.
Definition at line 315 of file simpleAllocator.I.
Referenced by SimpleAllocatorBlock::do_realloc(), and SimpleAllocatorBlock::get_max_size().
bool SimpleAllocatorBlock::do_realloc | ( | size_t | size | ) | [inline, protected, inherited] |
Changes the size of this block to the specified size.
Returns true if the change is accepted, false if there was not enough room.
Assumes the lock is already held.
Definition at line 335 of file simpleAllocator.I.
References SimpleAllocatorBlock::do_get_max_size(), and SimpleAllocator::mark_contiguous().
Referenced by SimpleAllocatorBlock::realloc().
bool ReferenceCount::do_test_ref_count_integrity | ( | ) | const [protected, inherited] |
Does some easy checks to make sure that the reference count isn't completely bogus.
Returns true if ok, false otherwise.
Reimplemented in NodeReferenceCount, CachedTypedWritableReferenceCount, and NodeCachedReferenceCount.
Definition at line 29 of file referenceCount.cxx.
Referenced by ReferenceCount::do_test_ref_count_nonzero(), and ReferenceCount::test_ref_count_integrity().
bool ReferenceCount::do_test_ref_count_nonzero | ( | ) | const [protected, inherited] |
Returns true if the reference count is nonzero, false otherwise.
Definition at line 56 of file referenceCount.cxx.
References ReferenceCount::do_test_ref_count_integrity().
Referenced by ReferenceCount::test_ref_count_nonzero().
void SimpleAllocatorBlock::free | ( | ) | [inline, inherited] |
Releases the allocated space.
Definition at line 195 of file simpleAllocator.I.
References SimpleAllocatorBlock::do_free().
Referenced by SimpleAllocatorBlock::~SimpleAllocatorBlock().
SimpleAllocator * SimpleAllocatorBlock::get_allocator | ( | ) | const [inline, inherited] |
Returns the SimpleAllocator object that owns this block.
Returns NULL if the block has been freed.
Definition at line 209 of file simpleAllocator.I.
Referenced by SimpleAllocator::do_alloc(), and VertexDataBlock::get_page().
bool VertexDataSaveBlock::get_compressed | ( | ) | const [inline] |
Returns the compressed flag.
This is true to indicate the data is written in zlib-compressed form to the save file; false to indicate the data is uncompressed.
Definition at line 84 of file vertexDataSaveFile.I.
size_t SimpleAllocatorBlock::get_max_size | ( | ) | const [inline, inherited] |
Returns the maximum size this block can be reallocated to, as limited by the following block.
Definition at line 255 of file simpleAllocator.I.
References SimpleAllocatorBlock::do_get_max_size().
SimpleAllocatorBlock * SimpleAllocatorBlock::get_next_block | ( | ) | const [inline, inherited] |
Returns a pointer to the next allocated block in the chain, or NULL if there are no more allocated blocks.
Reimplemented in VertexDataBlock.
Definition at line 282 of file simpleAllocator.I.
int ReferenceCount::get_ref_count | ( | ) | const [inline, inherited] |
Returns the current reference count.
Definition at line 155 of file referenceCount.I.
References ReferenceCount::test_ref_count_integrity().
Referenced by TransformState::clear_cache(), RenderState::clear_cache(), RenderState::finalize(), RenderEffects::finalize(), RenderEffect::finalize(), RenderAttrib::finalize(), InternalName::finalize(), TransformState::get_num_unused_states(), RenderState::get_num_unused_states(), TransformState::list_cycles(), RenderState::list_cycles(), GeomVertexFormat::remove_column(), TransformState::unref(), RenderState::unref(), RenderState::~RenderState(), and TransformState::~TransformState().
size_t SimpleAllocatorBlock::get_size | ( | ) | const [inline, inherited] |
Returns the size of this block.
It is an error to call this if the block has been freed.
Definition at line 232 of file simpleAllocator.I.
Referenced by VertexDataSaveFile::read_data().
size_t SimpleAllocatorBlock::get_start | ( | ) | const [inline, inherited] |
Returns the starting point of this block.
It is an error to call this if the block has been freed.
Definition at line 220 of file simpleAllocator.I.
Referenced by VertexDataBlock::get_pointer(), and VertexDataSaveFile::read_data().
WeakReferenceList * ReferenceCount::get_weak_list | ( | ) | const [inline, inherited] |
Returns the WeakReferenceList associated with this ReferenceCount object.
If there has never been a WeakReferenceList associated with this object, creates one now.
Definition at line 307 of file referenceCount.I.
Referenced by ReferenceCount::weak_ref().
bool ReferenceCount::has_weak_list | ( | ) | const [inline, inherited] |
Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise.
In general, this will be true if there was ever a WeakPointerTo created for this object (even if there is not any for it now).
Definition at line 294 of file referenceCount.I.
Referenced by ReferenceCount::weak_unref().
void LinkedListNode::insert_after | ( | LinkedListNode * | node | ) | [inline, protected, inherited] |
Adds a LinkedListNode record after the indicated node in the doubly-linked list.
Definition at line 108 of file linkedListNode.I.
void LinkedListNode::insert_before | ( | LinkedListNode * | node | ) | [inline, protected, inherited] |
Adds a LinkedListNode record before the indicated node in the doubly-linked list.
Definition at line 91 of file linkedListNode.I.
Referenced by SimpleAllocator::do_alloc(), AdaptiveLru::do_partial_lru_update(), and SimpleLruPage::enqueue_lru().
bool SimpleAllocatorBlock::is_free | ( | ) | const [inline, inherited] |
Returns true if the block has been freed, false if it is still valid.
Definition at line 244 of file simpleAllocator.I.
bool LinkedListNode::is_on_list | ( | ) | const [inline, protected, inherited] |
Returns true if the node is member of any list, false if it has been removed or never added.
The head of a list generally appears to to always be a member of itself.
Definition at line 62 of file linkedListNode.I.
void ReferenceCount::local_object | ( | ) | [inline, inherited] |
This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack.
This allows the object to be passed to functions that will increment and decrement the object's reference count temporarily, and it will prevent the object from being deleted (inappropriately), when the reference count returns to zero. It actually achieves this by setting a large positive value in the reference count field.
Definition at line 276 of file referenceCount.I.
Referenced by PGTop::cull_callback(), BoundingSphere::extend_by_hexahedron(), AsyncTaskManager::find_task(), AsyncTaskManager::find_tasks(), and AsyncTaskManager::find_tasks_matching().
bool SimpleAllocatorBlock::realloc | ( | size_t | size | ) | [inline, inherited] |
Changes the size of this block to the specified size.
Returns true if the change is accepted, false if there was not enough room.
Definition at line 269 of file simpleAllocator.I.
References SimpleAllocatorBlock::do_realloc().
void ReferenceCount::ref | ( | ) | const [inline, inherited] |
Explicitly increments the reference count.
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
Definition at line 179 of file referenceCount.I.
References ReferenceCount::test_ref_count_integrity().
Referenced by CachedTypedWritableReferenceCount::cache_ref(), TypedWritable::decode_raw_from_bam_stream(), NodeCachedReferenceCount::node_ref(), NodeReferenceCount::node_ref(), BamCacheRecord::set_data(), CullableObject::set_draw_callback(), and ModelRoot::set_reference().
void LinkedListNode::remove_from_list | ( | ) | [inline, protected, inherited] |
Removes a LinkedListNode record from the doubly-linked list.
Definition at line 73 of file linkedListNode.I.
Referenced by SimpleLruPage::dequeue_lru(), SimpleAllocatorBlock::do_free(), AdaptiveLru::do_partial_lru_update(), and SimpleLruPage::enqueue_lru().
void VertexDataSaveBlock::set_compressed | ( | bool | compressed | ) | [inline] |
Sets the compressed flag.
This is true to indicate the data is written in zlib-compressed form to the save file; false to indicate the data is uncompressed.
Definition at line 71 of file vertexDataSaveFile.I.
void LinkedListNode::take_list_from | ( | LinkedListNode * | other_root | ) | [inline, protected, inherited] |
Given that this LinkedListNode represents the root of a list, and the other pointer represents the root of a different list, move all of the nodes (except the root itself) from other_root onto this list.
Definition at line 127 of file linkedListNode.I.
Referenced by BufferContextChain::take_from().
bool ReferenceCount::test_ref_count_integrity | ( | ) | const [inline, inherited] |
Does some easy checks to make sure that the reference count isn't completely bogus.
Returns true if ok, false otherwise.
Reimplemented in NodeReferenceCount, CachedTypedWritableReferenceCount, and NodeCachedReferenceCount.
Definition at line 236 of file referenceCount.I.
References ReferenceCount::do_test_ref_count_integrity().
Referenced by EggGroupNode::add_child(), InternalName::find_ancestor(), InternalName::get_ancestor(), ReferenceCount::get_ref_count(), InternalName::get_top(), ReferenceCount::ref(), EggVertex::test_gref_integrity(), EggVertex::test_pref_integrity(), EggNode::test_under_integrity(), EggPrimitive::test_vref_integrity(), EggGroup::test_vref_integrity(), MouseWatcher::throw_event_pattern(), ReferenceCount::unref(), and EggNode::update_under().
bool ReferenceCount::test_ref_count_nonzero | ( | ) | const [inline, inherited] |
Does some easy checks to make sure that the reference count isn't zero, or completely bogus.
Returns true if ok, false otherwise.
Definition at line 252 of file referenceCount.I.
References ReferenceCount::do_test_ref_count_nonzero().
Referenced by CopyOnWritePointer::test_ref_count_nonzero().
bool ReferenceCount::unref | ( | ) | const [inline, virtual, inherited] |
Explicitly decrements the reference count.
Note that the object will not be implicitly deleted by unref() simply because the reference count drops to zero. (Having a member function delete itself is problematic.) However, see the helper function unref_delete().
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
The return value is true if the new reference count is nonzero, false if it is zero.
Reimplemented in GeomVertexArrayFormat, GeomVertexFormat, InternalName, RenderAttrib, RenderEffects, RenderState, and TransformState.
Definition at line 214 of file referenceCount.I.
References ReferenceCount::test_ref_count_integrity().
Referenced by CachedTypedWritableReferenceCount::cache_unref(), TypedWritable::decode_raw_from_bam_stream(), RenderEffect::finalize(), NodeCachedReferenceCount::node_unref(), NodeReferenceCount::node_unref(), TransformState::unref(), RenderState::unref(), RenderEffects::unref(), RenderAttrib::unref(), InternalName::unref(), GeomVertexFormat::unref(), and GeomVertexArrayFormat::unref().
void ReferenceCount::weak_ref | ( | WeakPointerToVoid * | ptv | ) | [inline, inherited] |
Adds the indicated PointerToVoid as a weak reference to this object.
Definition at line 321 of file referenceCount.I.
References WeakReferenceList::add_reference(), and ReferenceCount::get_weak_list().
void ReferenceCount::weak_unref | ( | WeakPointerToVoid * | ptv | ) | [inline, inherited] |
Removes the indicated PointerToVoid as a weak reference to this object.
It must have previously been added via a call to weak_ref().
Definition at line 334 of file referenceCount.I.
References WeakReferenceList::clear_reference(), and ReferenceCount::has_weak_list().