BufferContext

from panda3d.core import BufferContext

class BufferContext

Bases:

Bases: SavedContext

This is a base class for those kinds of SavedContexts that occupy an easily-measured (and substantial) number of bytes in the video card’s frame buffer memory or AGP memory. At the present, this includes most of the SavedContext types: VertexBufferContext and IndexBufferContext, as well as TextureContext.

This class provides methods for tracking the video memory utilization, as well as residency of each object, via PStats.

Inheritance diagram

property active → bool: Returns the active flag associated with this object. An object is considered “active” if it was rendered in the current frame.

property data_size_bytes → int: Returns the number of bytes previously reported for the data object. This is used to track changes in the data object’s allocated size; if it changes from this, we need to create a new buffer. This is also used to track memory utilization in PStats.

get_active() → bool: Returns the active flag associated with this object. An object is considered “active” if it was rendered in the current frame.

static get_class_type() → TypeHandle

get_data_size_bytes() → int: Returns the number of bytes previously reported for the data object. This is used to track changes in the data object’s allocated size; if it changes from this, we need to create a new buffer. This is also used to track memory utilization in PStats.

get_modified() → UpdateSeq: Returns the UpdateSeq that was recorded the last time mark_loaded() was called.

get_resident() → bool: Returns the resident flag associated with this object. An object is considered “resident” if it appears to be resident in texture memory.

property modified → UpdateSeq: Returns the UpdateSeq that was recorded the last time mark_loaded() was called.

property object → TypedWritableReferenceCount: Returns the associated object.

property resident → bool: Returns the resident flag associated with this object. An object is considered “resident” if it appears to be resident in texture memory.