FGFS-4.1/OpenSceneGraph
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Aded extra constructors to BlendFunc and Depth to help set them up convieniently.

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Added a background quad to osghud.
This commit is contained in:
Robert Osfield
2003-05-06 18:04:27 +00:00
parent 06054d9520
commit fa0333b6fe
5 changed files with 92 additions and 34 deletions
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2
include/osg/BlendFunc
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@@ -25,6 +25,8 @@ class SG_EXPORT BlendFunc : public StateAttribute
BlendFunc();
BlendFunc(GLenum source, GLenum destination);
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
BlendFunc(const BlendFunc& trans,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(trans,copyop),

42
include/osg/Depth
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@@ -25,15 +25,28 @@ class SG_EXPORT Depth : public StateAttribute
public :
Depth();
enum Function
{
NEVER = GL_NEVER,
LESS = GL_LESS,
EQUAL = GL_EQUAL,
LEQUAL = GL_LEQUAL,
GREATER = GL_GREATER,
NOTEQUAL = GL_NOTEQUAL,
GEQUAL = GL_GEQUAL,
ALWAYS = GL_ALWAYS
};
Depth(Function func=LESS,double zNear=0.0, double zFar=1.0,bool writeMask=true);
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
Depth(const Depth& dp,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(dp,copyop),
_func(dp._func),
_depthWriteMask(dp._depthWriteMask),
_zNear(dp._zNear),
_zFar(dp._zFar) {}
_zFar(dp._zFar),
_depthWriteMask(dp._depthWriteMask) {}
META_StateAttribute(osg, Depth, DEPTH);
@@ -59,27 +72,11 @@ class SG_EXPORT Depth : public StateAttribute
modes.push_back(GL_DEPTH_TEST);
}
enum Function
{
NEVER = GL_NEVER,
LESS = GL_LESS,
EQUAL = GL_EQUAL,
LEQUAL = GL_LEQUAL,
GREATER = GL_GREATER,
NOTEQUAL = GL_NOTEQUAL,
GEQUAL = GL_GEQUAL,
ALWAYS = GL_ALWAYS
};
inline void setFunction(Function func) { _func = func; }
inline Function getFunction() const { return _func; }
inline void setWriteMask(bool mask) { _depthWriteMask = mask; }
inline bool getWriteMask() const { return _depthWriteMask; }
inline void setRange(double zNear, double zFar)
{
_zNear = zNear;
@@ -89,6 +86,11 @@ class SG_EXPORT Depth : public StateAttribute
inline double getZNear() const { return _zNear; }
inline double getZFar() const { return _zFar; }
inline void setWriteMask(bool mask) { _depthWriteMask = mask; }
inline bool getWriteMask() const { return _depthWriteMask; }
virtual void apply(State& state) const;
protected:
@@ -96,11 +98,11 @@ class SG_EXPORT Depth : public StateAttribute
virtual ~Depth();
Function _func;
bool _depthWriteMask;
double _zNear;
double _zFar;
bool _depthWriteMask;
};
}