Fix #8952

AnyOldName3 · AnyOldName3 · commit 9fbe9a02aafe · 2026-02-07T23:43:56.000Z
Regression from 2754d42 !5047
diff --git a/components/sceneutil/mwshadowtechnique.cpp b/components/sceneutil/mwshadowtechnique.cpp
@@ -645,6 +645,8 @@ MWShadowTechnique::Frustum::Frustum(osgUtil::CullVisitor* cv, double minZNear, d
     {
         osg::Matrix::value_type zNear = osg::maximum<osg::Matrix::value_type>(cv->getCalculatedNearPlane(),minZNear);
         osg::Matrix::value_type zFar = osg::minimum<osg::Matrix::value_type>(cv->getCalculatedFarPlane(),maxZFar);
+        if (zFar < 0)
+            zFar = minZNear;
         zNear = std::min(zNear, zFar);
 
         cv->clampProjectionMatrix(projectionMatrix, zNear, zFar);

Original file line number	Diff line number	Diff line change
`@@ -645,6 +645,8 @@ MWShadowTechnique::Frustum::Frustum(osgUtil::CullVisitor* cv, double minZNear, d`
`645`	`645`	`{`
`646`	`646`	`osg::Matrix::value_type zNear = osg::maximum<osg::Matrix::value_type>(cv->getCalculatedNearPlane(),minZNear);`
`647`	`647`	`osg::Matrix::value_type zFar = osg::minimum<osg::Matrix::value_type>(cv->getCalculatedFarPlane(),maxZFar);`
	`648`	`+ if (zFar < 0)`
	`649`	`+ zFar = minZNear;`
`648`	`650`	`zNear = std::min(zNear, zFar);`
`649`	`651`
`650`	`652`	`cv->clampProjectionMatrix(projectionMatrix, zNear, zFar);`