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#ifndef OPENMW_COMPONENTS_SCENEUTIL_CLEARCOLOR_H
#define OPENMW_COMPONENTS_SCENEUTIL_CLEARCOLOR_H
#include <osg/StateAttribute>
#include <osg/Vec4f>
namespace SceneUtil
{
class ClearColor : public osg::StateAttribute
{
public:
ClearColor()
: mMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
{
}
ClearColor(const osg::Vec4f& color, GLbitfield mask)
: mColor(color)
, mMask(mask)
{
}
ClearColor(const ClearColor& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY)
: osg::StateAttribute(copy, copyop)
, mColor(copy.mColor)
, mMask(copy.mMask)
{
}
META_StateAttribute(fx, ClearColor, static_cast<osg::StateAttribute::Type>(100))
int compare(const StateAttribute& sa) const override
{
COMPARE_StateAttribute_Types(ClearColor, sa);
COMPARE_StateAttribute_Parameter(mColor);
COMPARE_StateAttribute_Parameter(mMask);
return 0;
}
void apply(osg::State& state) const override
{
glClearColor(mColor[0], mColor[1], mColor[2], mColor[3]);
glClear(mMask);
}
private:
osg::Vec4f mColor;
GLbitfield mMask;
};
}
#endif
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