Panda3D
Public Types | Public Member Functions | Static Public Member Functions | Public Attributes | List of all members
LogicOpAttrib Class Reference

If enabled, specifies that a custom logical operation be performed instead of any color blending. More...

Inheritance diagram for LogicOpAttrib:
RenderAttrib TypedWritableReferenceCount TypedWritable ReferenceCount TypedObject

Public Types

enum  Operation {
  O_none = 0, O_clear = 1, O_and = 2, O_and_reverse = 3,
  O_copy = 4, O_and_inverted = 5, O_noop = 6, O_xor = 7,
  O_or = 8, O_nor = 9, O_equivalent = 10, O_invert = 11,
  O_or_reverse = 12, O_copy_inverted = 13, O_or_inverted = 14, O_nand = 15,
  O_set = 16
}
 
- Public Types inherited from RenderAttrib
enum  PandaCompareFunc {
  M_none = 0, M_never = 1, M_less = 2, M_equal = 3,
  M_less_equal = 4, M_greater = 5, M_not_equal = 6, M_greater_equal = 7,
  M_always = 8
}
 
enum  TexGenMode {
  M_off = 0, M_eye_sphere_map = 1, M_world_cube_map = 2, M_eye_cube_map = 3,
  M_world_normal = 4, M_eye_normal = 5, M_world_position = 6, M_unused = 7,
  M_eye_position = 8, M_point_sprite = 9, M_unused2 = 10, M_constant = 11
}
 

Public Member Functions

LogicOpAttrib::Operation getOperation ()
 Returns the logic operation specified by this attribute. More...
 
- Public Member Functions inherited from RenderAttrib
int compareTo (const RenderAttrib other)
 Provides an arbitrary ordering among all unique RenderAttribs, so we can store the essentially different ones in a big set and throw away the rest. More...
 
const RenderAttrib compose (const RenderAttrib other)
 Returns a new RenderAttrib object that represents the composition of this attrib with the other attrib. More...
 
int getHash ()
 Returns a suitable hash value for phash_map. More...
 
int getSlot ()
 
const RenderAttrib getUnique ()
 Returns the pointer to the unique RenderAttrib in the cache that is equivalent to this one. More...
 
const RenderAttrib invertCompose (const RenderAttrib other)
 Returns a new RenderAttrib object that represents the composition of the inverse of this attrib with the other attrib. More...
 
bool lowerAttribCanOverride ()
 Intended to be overridden by derived RenderAttrib types to specify how two consecutive RenderAttrib objects of the same type interact. More...
 
 output (Ostream out)
 
 write (Ostream out, int indent_level)
 
- Public Member Functions inherited from TypedWritable
object __reduce__ ()
 
object __reduce_persist__ (object pickler)
 
VectorUchar encodeToBamStream ()
 Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a bytes object. More...
 
bool encodeToBamStream (VectorUchar data, BamWriter writer)
 Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. More...
 
 fillin (DatagramIterator scan, BamReader manager)
 This internal function is intended to be called by each class's make_from_bam() method to read in all of the relevant data from the BamFile for the new object. More...
 
UpdateSeq getBamModified ()
 Returns the current bam_modified counter. More...
 
 markBamModified ()
 Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. More...
 
- Public Member Functions inherited from TypedObject
TypeHandle getType ()
 
int getTypeIndex ()
 Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More...
 
bool isExactType (TypeHandle handle)
 Returns true if the current object is the indicated type exactly. More...
 
bool isOfType (TypeHandle handle)
 Returns true if the current object is or derives from the indicated type. More...
 
- Public Member Functions inherited from ReferenceCount
int getRefCount ()
 Returns the current reference count. More...
 
 ref ()
 Explicitly increments the reference count. More...
 
bool testRefCountIntegrity ()
 Does some easy checks to make sure that the reference count isn't completely bogus. More...
 
bool testRefCountNonzero ()
 Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...
 
bool unref ()
 Explicitly decrements the reference count. More...
 

Static Public Member Functions

static int getClassSlot ()
 
static TypeHandle getClassType ()
 
static const RenderAttrib make (LogicOpAttrib::Operation op)
 Constructs a new LogicOpAttrib object with the given logic operation. More...
 
static const RenderAttrib makeDefault ()
 Returns a RenderAttrib that corresponds to whatever the standard default properties for render attributes of this type ought to be. More...
 
static const RenderAttrib makeOff ()
 Constructs a new LogicOpAttrib object that disables special-effect blending, allowing normal transparency to be used instead. More...
 
- Static Public Member Functions inherited from RenderAttrib
static int garbageCollect ()
 Performs a garbage-collection cycle. More...
 
static TypeHandle getClassType ()
 
static int getNumAttribs ()
 Returns the total number of unique RenderAttrib objects allocated in the world. More...
 
static listAttribs (Ostream out)
 Lists all of the RenderAttribs in the cache to the output stream, one per line. More...
 
static bool validateAttribs ()
 Ensures that the cache is still stored in sorted order. More...
 
- Static Public Member Functions inherited from TypedWritableReferenceCount
static TypedWritableReferenceCount decodeFromBamStream (VectorUchar data, BamReader reader)
 Reads the bytes created by a previous call to encode_to_bam_stream(), and extracts and returns the single object on those bytes. More...
 
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from TypedWritable
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from TypedObject
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from ReferenceCount
static TypeHandle getClassType ()
 

Public Attributes

int class_slot
 
LogicOpAttrib::Operation operation
 Returns the logic operation specified by this attribute. More...
 
- Public Attributes inherited from RenderAttrib
int slot
 
- Public Attributes inherited from TypedObject
TypeHandle type
 Returns the TypeHandle representing this object's type. More...
 
- Public Attributes inherited from ReferenceCount
int ref_count
 The current reference count. More...
 

Detailed Description

If enabled, specifies that a custom logical operation be performed instead of any color blending.

Setting it to a value other than M_none will cause color blending to be disabled and the given logic operation to be performed.

Since
1.10.0

Member Enumeration Documentation

◆ Operation

enum Operation
Enumerator
O_none 

LogicOp disabled, regular blending occurs.

O_clear 

Clears framebuffer value.

O_and 
O_and_reverse 
O_copy 

Writes the incoming color to the framebuffer.

O_and_inverted 
O_noop 

Leaves the framebuffer value unaltered.

O_xor 
O_or 
O_nor 
O_equivalent 
O_invert 
O_or_reverse 
O_copy_inverted 
O_or_inverted 
O_nand 
O_set 

Sets all the bits in the framebuffer to 1.

Member Function Documentation

◆ getClassSlot()

static int getClassSlot ( )
static

◆ getClassType()

static TypeHandle getClassType ( )
static

◆ getOperation()

LogicOpAttrib::Operation getOperation ( )

Returns the logic operation specified by this attribute.

◆ make()

static const RenderAttrib make ( LogicOpAttrib::Operation  op)
static

Constructs a new LogicOpAttrib object with the given logic operation.

◆ makeDefault()

static const RenderAttrib makeDefault ( )
static

Returns a RenderAttrib that corresponds to whatever the standard default properties for render attributes of this type ought to be.

◆ makeOff()

static const RenderAttrib makeOff ( )
static

Constructs a new LogicOpAttrib object that disables special-effect blending, allowing normal transparency to be used instead.

Member Data Documentation

◆ class_slot

int class_slot

◆ operation

Returns the logic operation specified by this attribute.