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Texture::get_data_size_bytes() etc.

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This commit is contained in:
David Rose 2009-02-04 12:46:56 +00:00
parent 7d103e9d18
commit aca2606187
2 changed files with 64 additions and 0 deletions
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60
panda/src/gobj/texture.cxx
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@ -1128,6 +1128,66 @@ was_image_modified(PreparedGraphicsObjects *prepared_objects) const {
return true; return true;
} }
////////////////////////////////////////////////////////////////////
// Function: Texture::get_data_size_bytes
// Access: Public
// Description: Returns the number of bytes which the texture is
// reported to consume within graphics memory, for the
// indicated GSG. This may return a nonzero value even
// if the texture is not currently resident; you should
// also check get_resident() if you want to know how
// much space the texture is actually consuming right
// now.
////////////////////////////////////////////////////////////////////
size_t Texture::
get_data_size_bytes(PreparedGraphicsObjects *prepared_objects) const {
MutexHolder holder(_lock);
Contexts::const_iterator ci;
ci = _contexts.find(prepared_objects);
if (ci != _contexts.end()) {
TextureContext *tc = (*ci).second;
return tc->get_data_size_bytes();
}
return 0;
}
////////////////////////////////////////////////////////////////////
// Function: Texture::get_active
// Access: Public
// Description: Returns true if this Texture was rendered in the most
// recent frame within the indicated GSG.
////////////////////////////////////////////////////////////////////
bool Texture::
get_active(PreparedGraphicsObjects *prepared_objects) const {
MutexHolder holder(_lock);
Contexts::const_iterator ci;
ci = _contexts.find(prepared_objects);
if (ci != _contexts.end()) {
TextureContext *tc = (*ci).second;
return tc->get_active();
}
return false;
}
////////////////////////////////////////////////////////////////////
// Function: Texture::get_resident
// Access: Public
// Description: Returns true if this Texture is reported to be
// resident within graphics memory for the indicated
// GSG.
////////////////////////////////////////////////////////////////////
bool Texture::
get_resident(PreparedGraphicsObjects *prepared_objects) const {
MutexHolder holder(_lock);
Contexts::const_iterator ci;
ci = _contexts.find(prepared_objects);
if (ci != _contexts.end()) {
TextureContext *tc = (*ci).second;
return tc->get_resident();
}
return false;
}
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Function: Texture::release // Function: Texture::release
// Access: Published // Access: Published

4
panda/src/gobj/texture.h
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@ -355,6 +355,10 @@ PUBLISHED:
void prepare(PreparedGraphicsObjects *prepared_objects); void prepare(PreparedGraphicsObjects *prepared_objects);
bool is_prepared(PreparedGraphicsObjects *prepared_objects) const; bool is_prepared(PreparedGraphicsObjects *prepared_objects) const;
bool was_image_modified(PreparedGraphicsObjects *prepared_objects) const; bool was_image_modified(PreparedGraphicsObjects *prepared_objects) const;
size_t get_data_size_bytes(PreparedGraphicsObjects *prepared_objects) const;
bool get_active(PreparedGraphicsObjects *prepared_objects) const;
bool get_resident(PreparedGraphicsObjects *prepared_objects) const;
bool release(PreparedGraphicsObjects *prepared_objects); bool release(PreparedGraphicsObjects *prepared_objects);
int release_all(); int release_all();