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Reduce the number of osg::Material state by setting the default state on the graph root

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This commit is contained in:
scrawl 2017-02-01 03:18:17 +01:00
parent e399e10607
commit 960d4a96c3
3 changed files with 23 additions and 0 deletions
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7
apps/opencs/view/render/scenewidget.cpp
View file

@ -10,6 +10,7 @@
#include <osgViewer/CompositeViewer>
#include <osgViewer/ViewerEventHandlers>
#include <osg/LightModel>
#include <osg/Material>
#include <osg/Version>
#include <components/resource/scenemanager.hpp>
@ -74,6 +75,12 @@ RenderWidget::RenderWidget(QWidget *parent, Qt::WindowFlags f)
mView->getCamera()->getOrCreateStateSet()->setMode(GL_NORMALIZE, osg::StateAttribute::ON);
mView->getCamera()->getOrCreateStateSet()->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
osg::ref_ptr<osg::Material> defaultMat (new osg::Material);
defaultMat->setColorMode(osg::Material::OFF);
defaultMat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f(1,1,1,1));
defaultMat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(1,1,1,1));
defaultMat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(0.f, 0.f, 0.f, 0.f));
mView->getCamera()->getOrCreateStateSet()->getOrCreateStateSet()->setAttribute(defaultMat);
mView->setSceneData(mRootNode);

7
apps/openmw/mwrender/renderingmanager.cpp
View file

@ -6,6 +6,7 @@
#include <osg/Light>
#include <osg/LightModel>
#include <osg/Fog>
#include <osg/Material>
#include <osg/PolygonMode>
#include <osg/Group>
#include <osg/UserDataContainer>
@ -221,6 +222,12 @@ namespace MWRender
sceneRoot->getOrCreateStateSet()->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
sceneRoot->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::ON);
sceneRoot->getOrCreateStateSet()->setMode(GL_NORMALIZE, osg::StateAttribute::ON);
osg::ref_ptr<osg::Material> defaultMat (new osg::Material);
defaultMat->setColorMode(osg::Material::OFF);
defaultMat->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4f(1,1,1,1));
defaultMat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(1,1,1,1));
defaultMat->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4f(0.f, 0.f, 0.f, 0.f));
sceneRoot->getOrCreateStateSet()->setAttribute(defaultMat);
sceneRoot->setNodeMask(Mask_Scene);
sceneRoot->setName("Scene Root");

9
components/nifosg/nifloader.cpp
View file

@ -1758,6 +1758,15 @@ namespace NifOsg
mat->setColorMode(osg::Material::AMBIENT);
}
if (mat->getColorMode() == osg::Material::OFF
&& mat->getDiffuse(osg::Material::FRONT_AND_BACK) == osg::Vec4f(1,1,1,1)
&& mat->getAmbient(osg::Material::FRONT_AND_BACK) == osg::Vec4f(1,1,1,1)
&& mat->getSpecular(osg::Material::FRONT_AND_BACK) == osg::Vec4f(0.f, 0.f, 0.f, 0.f))
{
// default state, skip
return;
}
// TODO: this could be replaced by a more generic mechanism of sharing any type of State Attribute
// apply only for Materials for now
mat = shareMaterial(mat);