Added osg::ScissorIndexed that wraps up glScissorIndexed function
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include/osg/ScissorIndexed
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include/osg/ScissorIndexed
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2016 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_ScissorIndexed
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#define OSG_ScissorIndexed 1
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#include <osg/Depth>
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namespace osg {
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/** Encapsulates glScissorIndexed function : the index version of glDepth
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*/
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class OSG_EXPORT ScissorIndexed : public osg::StateAttribute
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{
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public :
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ScissorIndexed();
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ScissorIndexed(unsigned int index, float x, float y, float width, float height):
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_index(index),
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_x(x),
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_y(y),
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_width(width),
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_height(height) {}
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/** Copy constructor using CopyOp to manage deep vs shallow copy. */
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ScissorIndexed(const ScissorIndexed& dp,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(dp,copyop),
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_index(dp._index),
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_x(dp._x),
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_y(dp._y),
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_width(dp._width),
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_height(dp._height) {}
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META_StateAttribute(osg, ScissorIndexed, SCISSORINDEXED);
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/** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
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virtual int compare(const StateAttribute& sa) const
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{
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// Check for equal types, then create the rhs variable
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// used by the COMPARE_StateAttribute_Parameter macros below.
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COMPARE_StateAttribute_Types(ScissorIndexed,sa)
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COMPARE_StateAttribute_Parameter(_index);
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COMPARE_StateAttribute_Parameter(_x)
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COMPARE_StateAttribute_Parameter(_y)
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COMPARE_StateAttribute_Parameter(_width)
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COMPARE_StateAttribute_Parameter(_height)
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return 0;
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}
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/** Return the buffer index as the member identifier.*/
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virtual unsigned int getMember() const { return _index; }
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/** Set the index of the ScissorIndexed. */
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void setIndex(unsigned int index);
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/** Get the index of the ScissorIndexed. */
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unsigned int getIndex() const { return _index; }
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inline void setX(float x) { _x=x; }
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inline float getX() const { return _x; }
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inline void setY(float y) { _y=y; }
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inline float getY() const { return _y; }
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inline void setWidth(float w) { _width=w; }
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inline float getWidth() const { return _width; }
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inline void setHeight(float height) { _height=height; }
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inline float getHeight() const { return _height; }
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virtual void apply(State& state) const;
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protected:
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virtual ~ScissorIndexed();
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unsigned int _index;
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float _x;
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float _y;
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float _width;
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float _height;
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};
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}
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#endif
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@ -204,7 +204,9 @@ class OSG_EXPORT StateAttribute : public Object
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INDIRECTDRAWBUFFERBINDING,
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INDIRECTDRAWBUFFERBINDING,
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VIEWPORTINDEXED,
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DEPTHRANGEINDEXED,
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DEPTHRANGEINDEXED,
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SCISSORINDEXED,
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CAPABILITY = 100
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CAPABILITY = 100
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};
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};
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@ -35,7 +35,7 @@ class OSG_EXPORT ViewportIndexed : public Viewport
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Viewport(cm,copyop),
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Viewport(cm,copyop),
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_index(cm._index) {}
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_index(cm._index) {}
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META_StateAttribute(osg, ViewportIndexed, VIEWPORT);
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META_StateAttribute(osg, ViewportIndexed, VIEWPORTINDEXED);
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/** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
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/** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
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virtual int compare(const StateAttribute& sa) const
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virtual int compare(const StateAttribute& sa) const
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@ -147,6 +147,7 @@ SET(TARGET_H
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${HEADER_PATH}/RenderInfo
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${HEADER_PATH}/RenderInfo
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${HEADER_PATH}/SampleMaski
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${HEADER_PATH}/SampleMaski
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${HEADER_PATH}/Scissor
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${HEADER_PATH}/Scissor
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${HEADER_PATH}/ScissorIndexed
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${HEADER_PATH}/ScriptEngine
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${HEADER_PATH}/ScriptEngine
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${HEADER_PATH}/Sequence
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${HEADER_PATH}/Sequence
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${HEADER_PATH}/ShadeModel
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${HEADER_PATH}/ShadeModel
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@ -348,6 +349,7 @@ SET(TARGET_SRC
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Referenced.cpp
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Referenced.cpp
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SampleMaski.cpp
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SampleMaski.cpp
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Scissor.cpp
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Scissor.cpp
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ScissorIndexed.cpp
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ScriptEngine.cpp
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ScriptEngine.cpp
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Sequence.cpp
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Sequence.cpp
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ShadeModel.cpp
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ShadeModel.cpp
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57
src/osg/ScissorIndexed.cpp
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57
src/osg/ScissorIndexed.cpp
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@ -0,0 +1,57 @@
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <osg/ScissorIndexed>
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#include <osg/GLExtensions>
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#include <osg/State>
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using namespace osg;
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ScissorIndexed::ScissorIndexed():
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_index(0),
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_x(0.0f),
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_y(0.0f),
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_width(800.0f),
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_height(600.0f) // defaults same as osg::Viewport and osg::Scissor
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{
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}
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ScissorIndexed::~ScissorIndexed()
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{
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}
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void ScissorIndexed::setIndex(unsigned int index)
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{
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if (_index==index) return;
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ReassignToParents needToReassingToParentsWhenMemberValueChanges(this);
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_index = index;
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}
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void ScissorIndexed::apply(State& state) const
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{
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const GLExtensions* extensions = state.get<GLExtensions>();
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if (extensions->glScissorIndexed)
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{
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extensions->glScissorIndexed(static_cast<GLuint>(_index),
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static_cast<GLfloat>(_x),
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static_cast<GLfloat>(_y),
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static_cast<GLfloat>(_width),
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static_cast<GLfloat>(_height));
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}
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else
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{
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OSG_WARN<<"Warning: ScissorIndexed::apply(..) failed, glScissorIndexed is not support by OpenGL driver."<<std::endl;
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}
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}
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