LogicOp
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_LOGICOP
#define OSG_LOGICOP 1
#include <osg/StateAttribute>
#ifndef OSG_GL_FIXED_FUNCTION_AVAILABLE
#define GL_CLEAR 0x1500
#define GL_SET 0x150F
#define GL_COPY 0x1503
#define GL_COPY_INVERTED 0x150C
#define GL_NOOP 0x1505
#define GL_AND 0x1501
#define GL_NAND 0x150E
#define GL_OR 0x1507
#define GL_NOR 0x1508
#define GL_XOR 0x1506
#define GL_EQUIV 0x1509
#define GL_AND_REVERSE 0x1502
#define GL_AND_INVERTED 0x1504
#define GL_OR_REVERSE 0x150B
#define GL_OR_INVERTED 0x150D
#define GL_COLOR_LOGIC_OP 0x0BF2
#endif
namespace osg {
class OSG_EXPORT LogicOp : public StateAttribute
{
public :
enum Opcode {
CLEAR = GL_CLEAR,
SET = GL_SET,
COPY = GL_COPY,
COPY_INVERTED = GL_COPY_INVERTED,
NOOP = GL_NOOP,
INVERT = GL_INVERT,
AND = GL_AND,
NAND = GL_NAND,
OR = GL_OR,
NOR = GL_NOR,
XOR = GL_XOR,
EQUIV = GL_EQUIV,
AND_REVERSE = GL_AND_REVERSE,
AND_INVERTED = GL_AND_INVERTED,
OR_REVERSE = GL_OR_REVERSE,
OR_INVERTED = GL_OR_INVERTED
};
LogicOp();
LogicOp(Opcode opcode);
LogicOp(const LogicOp& trans,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(trans,copyop),
_opcode(trans._opcode){}
META_StateAttribute(osg, LogicOp,LOGICOP);
virtual int compare(const StateAttribute& sa) const
{
// Check for equal types, then create the rhs variable
// used by the COMPARE_StateAttribute_Parameter macros below.
COMPARE_StateAttribute_Types(LogicOp,sa)
// Compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_opcode)
return 0; // Passed all the above comparison macros, so must be equal.
}
virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const
{
usage.usesMode(GL_COLOR_LOGIC_OP);
return true;
}
inline void setOpcode(Opcode opcode)
{
_opcode = opcode;
}
inline Opcode getOpcode() const { return _opcode; }
virtual void apply(State& state) const;
protected :
virtual ~LogicOp();
Opcode _opcode;
};
}
#endif
GL_SET
#define GL_SET
Definition LogicOp:21
GL_OR
#define GL_OR
Definition LogicOp:27
GL_COLOR_LOGIC_OP
#define GL_COLOR_LOGIC_OP
Definition LogicOp:35
GL_EQUIV
#define GL_EQUIV
Definition LogicOp:30
GL_AND_REVERSE
#define GL_AND_REVERSE
Definition LogicOp:31
GL_AND_INVERTED
#define GL_AND_INVERTED
Definition LogicOp:32
GL_CLEAR
#define GL_CLEAR
Definition LogicOp:20
GL_NOOP
#define GL_NOOP
Definition LogicOp:24
GL_COPY_INVERTED
#define GL_COPY_INVERTED
Definition LogicOp:23
GL_XOR
#define GL_XOR
Definition LogicOp:29
GL_NOR
#define GL_NOR
Definition LogicOp:28
GL_OR_REVERSE
#define GL_OR_REVERSE
Definition LogicOp:33
GL_AND
#define GL_AND
Definition LogicOp:25
GL_COPY
#define GL_COPY
Definition LogicOp:22
GL_OR_INVERTED
#define GL_OR_INVERTED
Definition LogicOp:34
GL_NAND
#define GL_NAND
Definition LogicOp:26
StateAttribute
COMPARE_StateAttribute_Parameter
#define COMPARE_StateAttribute_Parameter(parameter)
Definition StateAttribute:69
COMPARE_StateAttribute_Types
#define COMPARE_StateAttribute_Types(TYPE, rhs_attribute)
Definition StateAttribute:57
osg::CopyOp
Definition CopyOp:41
osg::CopyOp::SHALLOW_COPY
@ SHALLOW_COPY
Definition CopyOp:47
osg::LogicOp::_opcode
Opcode _opcode
Definition LogicOp:108
osg::LogicOp::LogicOp
LogicOp()
osg::LogicOp::META_StateAttribute
META_StateAttribute(osg, LogicOp, LOGICOP)
osg::LogicOp::apply
virtual void apply(State &state) const
osg::LogicOp::Opcode
Opcode
Definition LogicOp:45
osg::LogicOp::COPY_INVERTED
@ COPY_INVERTED
Definition LogicOp:49
osg::LogicOp::AND_REVERSE
@ AND_REVERSE
Definition LogicOp:58
osg::LogicOp::INVERT
@ INVERT
Definition LogicOp:51
osg::LogicOp::AND_INVERTED
@ AND_INVERTED
Definition LogicOp:59
osg::LogicOp::EQUIV
@ EQUIV
Definition LogicOp:57
osg::LogicOp::AND
@ AND
Definition LogicOp:52
osg::LogicOp::SET
@ SET
Definition LogicOp:47
osg::LogicOp::XOR
@ XOR
Definition LogicOp:56
osg::LogicOp::COPY
@ COPY
Definition LogicOp:48
osg::LogicOp::OR_INVERTED
@ OR_INVERTED
Definition LogicOp:61
osg::LogicOp::NOOP
@ NOOP
Definition LogicOp:50
osg::LogicOp::OR_REVERSE
@ OR_REVERSE
Definition LogicOp:60
osg::LogicOp::CLEAR
@ CLEAR
Definition LogicOp:46
osg::LogicOp::NAND
@ NAND
Definition LogicOp:53
osg::LogicOp::OR
@ OR
Definition LogicOp:54
osg::LogicOp::NOR
@ NOR
Definition LogicOp:55
osg::LogicOp::LogicOp
LogicOp(const LogicOp &trans, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
Definition LogicOp:69
osg::LogicOp::getModeUsage
virtual bool getModeUsage(StateAttribute::ModeUsage &usage) const
Definition LogicOp:88
osg::LogicOp::LogicOp
LogicOp(Opcode opcode)
osg::LogicOp::compare
virtual int compare(const StateAttribute &sa) const
Definition LogicOp:76
osg::LogicOp::setOpcode
void setOpcode(Opcode opcode)
Definition LogicOp:95
osg::LogicOp::getOpcode
Opcode getOpcode() const
Definition LogicOp:100
osg::LogicOp::~LogicOp
virtual ~LogicOp()
osg::StateAttribute::StateAttribute
StateAttribute()
osg::StateAttribute::LOGICOP
@ LOGICOP
Definition StateAttribute:151
osg::State
Definition State:80
osg
Definition AlphaFunc:19
OSG_EXPORT
#define OSG_EXPORT
Definition osg/Export:39
osg::StateAttribute::ModeUsage
Definition StateAttribute:308
osg::StateAttribute::ModeUsage::usesMode
virtual void usesMode(GLMode mode)=0