115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file logicOpAttrib.I
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* @author rdb
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* @date 2016-03-24
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*/
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#ifndef LOGICOPATTRIB_H
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#define LOGICOPATTRIB_H
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#include "pandabase.h"
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#include "luse.h"
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#include "renderAttrib.h"
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class FactoryParams;
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/**
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* If enabled, specifies that a custom logical operation be performed instead
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* of any color blending. Setting it to a value other than M_none will cause
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* color blending to be disabled and the given logic operation to be performed.
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*
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* @since 1.10.0
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*/
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class EXPCL_PANDA_PGRAPH LogicOpAttrib : public RenderAttrib {
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PUBLISHED:
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enum Operation {
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O_none, // LogicOp disabled, regular blending occurs.
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O_clear, // Clears framebuffer value.
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O_and,
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O_and_reverse,
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O_copy, // Writes the incoming color to the framebuffer.
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O_and_inverted,
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O_noop, // Leaves the framebuffer value unaltered.
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O_xor,
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O_or,
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O_nor,
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O_equivalent,
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O_invert,
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O_or_reverse,
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O_copy_inverted,
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O_or_inverted,
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O_nand,
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O_set, // Sets all the bits in the framebuffer to 1.
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};
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private:
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INLINE LogicOpAttrib(Operation op);
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PUBLISHED:
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static CPT(RenderAttrib) make_off();
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static CPT(RenderAttrib) make(Operation op);
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static CPT(RenderAttrib) make_default();
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INLINE Operation get_operation() const;
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MAKE_PROPERTY(operation, get_operation);
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public:
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virtual void output(std::ostream &out) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual size_t get_hash_impl() const;
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private:
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Operation _op;
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PUBLISHED:
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static int get_class_slot() {
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return _attrib_slot;
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}
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virtual int get_slot() const {
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return get_class_slot();
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}
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MAKE_PROPERTY(class_slot, get_class_slot);
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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RenderAttrib::init_type();
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register_type(_type_handle, "LogicOpAttrib",
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RenderAttrib::get_class_type());
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_attrib_slot = register_slot(_type_handle, 100, new LogicOpAttrib(O_none));
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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static int _attrib_slot;
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};
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EXPCL_PANDA_PGRAPH std::ostream &operator << (std::ostream &out, LogicOpAttrib::Operation op);
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#include "logicOpAttrib.I"
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#endif
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