ClampColor
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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_CLAMPCOLOR
#define OSG_CLAMPCOLOR 1
#include <osg/StateAttribute>
#ifndef GL_ARB_color_buffer_float
#define GL_RGBA_FLOAT_MODE_ARB 0x8820
#define GL_CLAMP_VERTEX_COLOR_ARB 0x891A
#define GL_CLAMP_FRAGMENT_COLOR_ARB 0x891B
#define GL_CLAMP_READ_COLOR_ARB 0x891C
#define GL_FIXED_ONLY_ARB 0x891D
#endif
#ifndef GL_FIXED_ONLY
#define GL_FIXED_ONLY GL_FIXED_ONLY_ARB
#define GL_CLAMP_VERTEX_COLOR GL_CLAMP_VERTEX_COLOR_ARB
#define GL_CLAMP_READ_COLOR GL_CLAMP_READ_COLOR_ARB
#define GL_CLAMP_FRAGMENT_COLOR GL_CLAMP_FRAGMENT_COLOR_ARB
#endif
#if defined(OSG_GL3_AVAILABLE)
#define GL_CLAMP_VERTEX_COLOR 0x891A
#define GL_CLAMP_FRAGMENT_COLOR 0x891B
#endif
namespace osg {
class OSG_EXPORT ClampColor : public StateAttribute
{
public :
ClampColor();
ClampColor(GLenum vertexMode, GLenum fragmentMode, GLenum readMode);
ClampColor(const ClampColor& rhs,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(rhs,copyop),
_clampVertexColor(rhs._clampVertexColor),
_clampFragmentColor(rhs._clampFragmentColor),
_clampReadColor(rhs._clampReadColor) {}
META_StateAttribute(osg, ClampColor,CLAMPCOLOR);
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(ClampColor,sa)
// Compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_clampVertexColor)
COMPARE_StateAttribute_Parameter(_clampFragmentColor)
COMPARE_StateAttribute_Parameter(_clampReadColor)
return 0; // Passed all the above comparison macros, so must be equal.
}
void setClampVertexColor(GLenum mode) { _clampVertexColor = mode; }
GLenum getClampVertexColor() const { return _clampVertexColor; }
void setClampFragmentColor(GLenum mode) { _clampFragmentColor = mode; }
GLenum getClampFragmentColor() const { return _clampFragmentColor; }
void setClampReadColor(GLenum mode) { _clampReadColor = mode; }
GLenum getClampReadColor() const { return _clampReadColor; }
virtual void apply(State& state) const;
protected :
virtual ~ClampColor();
GLenum _clampVertexColor;
GLenum _clampFragmentColor;
GLenum _clampReadColor;
};
}
#endif
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::ClampColor::getClampFragmentColor
GLenum getClampFragmentColor() const
Definition ClampColor:78
osg::ClampColor::setClampReadColor
void setClampReadColor(GLenum mode)
Definition ClampColor:80
osg::ClampColor::compare
virtual int compare(const StateAttribute &sa) const
Definition ClampColor:60
osg::ClampColor::getClampVertexColor
GLenum getClampVertexColor() const
Definition ClampColor:75
osg::ClampColor::~ClampColor
virtual ~ClampColor()
osg::ClampColor::getClampReadColor
GLenum getClampReadColor() const
Definition ClampColor:81
osg::ClampColor::_clampReadColor
GLenum _clampReadColor
Definition ClampColor:91
osg::ClampColor::setClampFragmentColor
void setClampFragmentColor(GLenum mode)
Definition ClampColor:77
osg::ClampColor::_clampVertexColor
GLenum _clampVertexColor
Definition ClampColor:89
osg::ClampColor::META_StateAttribute
META_StateAttribute(osg, ClampColor, CLAMPCOLOR)
osg::ClampColor::setClampVertexColor
void setClampVertexColor(GLenum mode)
Definition ClampColor:74
osg::ClampColor::apply
virtual void apply(State &state) const
osg::ClampColor::ClampColor
ClampColor(GLenum vertexMode, GLenum fragmentMode, GLenum readMode)
osg::ClampColor::_clampFragmentColor
GLenum _clampFragmentColor
Definition ClampColor:90
osg::ClampColor::ClampColor
ClampColor()
osg::ClampColor::ClampColor
ClampColor(const ClampColor &rhs, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
Definition ClampColor:51
osg::CopyOp
Definition CopyOp:41
osg::CopyOp::SHALLOW_COPY
@ SHALLOW_COPY
Definition CopyOp:47
osg::StateAttribute::StateAttribute
StateAttribute()
osg::StateAttribute::CLAMPCOLOR
@ CLAMPCOLOR
Definition StateAttribute:165
osg::State
Definition State:80
osg
Definition AlphaFunc:19
OSG_EXPORT
#define OSG_EXPORT
Definition osg/Export:39