FGFS-4.1/OpenSceneGraph
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Merged RenderToTextureStage functionality into RenderStage

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This commit is contained in:
Robert Osfield
2005-08-17 10:12:49 +00:00
parent 4745e2b79b
commit 84618ffcb3
10 changed files with 310 additions and 313 deletions
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43
src/osgUtil/CullVisitor.cpp
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@@ -27,7 +27,6 @@
#include <osg/Geometry>
#include <osgUtil/CullVisitor>
#include <osgUtil/RenderToTextureStage>
#include <float.h>
#include <algorithm>
@@ -1066,13 +1065,40 @@ void CullVisitor::apply(osg::CameraNode& camera)
}
else
{
// set up lighting.
// currently ignore lights in the scene graph itself..
// will do later.
osgUtil::RenderStage* previous_stage = getCurrentRenderBin()->getStage();
// use render to texture stage.
// create the render to texture stage.
osg::ref_ptr<osgUtil::RenderToTextureStage> rtts = dynamic_cast<osgUtil::RenderToTextureStage*>(camera.getRenderingCache());
osg::ref_ptr<osgUtil::RenderStage> rtts = dynamic_cast<osgUtil::RenderStage*>(camera.getRenderingCache());
if (!rtts)
{
rtts = new osgUtil::RenderToTextureStage;
rtts = new osgUtil::RenderStage;
rtts->setCameraNode(&camera);
if (camera.getDrawBuffer() != GL_NONE)
{
rtts->setDrawBuffer(camera.getDrawBuffer());
}
else
{
// inherit draw buffer from above.
rtts->setDrawBuffer(previous_stage->getDrawBuffer());
}
if (camera.getReadBuffer() != GL_NONE)
{
rtts->setReadBuffer(camera.getReadBuffer());
}
else
{
// inherit read buffer from above.
rtts->setReadBuffer(previous_stage->getReadBuffer());
}
camera.setRenderingCache(rtts.get());
}
else
@@ -1081,10 +1107,6 @@ void CullVisitor::apply(osg::CameraNode& camera)
rtts->reset();
}
// set up lighting.
// currently ignore lights in the scene graph itself..
// will do later.
osgUtil::RenderStage* previous_stage = getCurrentRenderBin()->getStage();
// set up the background color and clear mask.
@@ -1099,6 +1121,7 @@ void CullVisitor::apply(osg::CameraNode& camera)
osg::Viewport* viewport = camera.getViewport()!=0 ? camera.getViewport() : previous_stage->getViewport();
rtts->setViewport( viewport );
// set up to charge the same RenderStageLighting is the parent previous stage.
osg::Matrix inhertiedMVtolocalMV;
inhertiedMVtolocalMV.invert(originalModelView);
@@ -1176,6 +1199,9 @@ void CullVisitor::apply(osg::CameraNode& camera)
fbo = new osg::FrameBufferObject;
rtts->setFrameBufferObject(fbo.get());
rtts->setDrawBuffer(GL_BACK);
rtts->setReadBuffer(GL_BACK);
bool colorAttached = false;
bool depthAttached = false;
bool stencilAttached = false;
@@ -1237,6 +1263,9 @@ void CullVisitor::apply(osg::CameraNode& camera)
traits->_doubleBuffer = (camera.getRenderTargetImplmentation()==osg::CameraNode::SEPERATE_WINDOW);
rtts->setDrawBuffer(GL_FRONT);
rtts->setReadBuffer(GL_FRONT);
bool colorAttached = false;
bool depthAttached = false;
bool stencilAttached = false;