FGFS-4.1/OpenSceneGraph
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Added support for multiple graphics context to osg::VertexProgram and osg::Impostor

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This commit is contained in:
Robert Osfield
2003-04-10 12:11:40 +00:00
parent 0dd724e8b7
commit 22546b8085
7 changed files with 67 additions and 39 deletions
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11
src/osgUtil/CullVisitor.cpp
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@@ -580,6 +580,9 @@ void CullVisitor::apply(Impostor& node)
if (node_state) pushStateSet(node_state);
const BoundingSphere& bs = node.getBound();
unsigned int contextID = 0;
if (_state.valid()) contextID = _state->getContextID();
float distance2 = (eyeLocal-bs.center()).length2();
if (!_impostorActive ||
@@ -605,7 +608,7 @@ void CullVisitor::apply(Impostor& node)
RefMatrix& matrix = getModelViewMatrix();
// search for the best fit ImpostorSprite;
ImpostorSprite* impostorSprite = node.findBestImpostorSprite(eyeLocal);
ImpostorSprite* impostorSprite = node.findBestImpostorSprite(contextID,eyeLocal);
if (impostorSprite)
{
@@ -673,6 +676,9 @@ void CullVisitor::apply(Impostor& node)
ImpostorSprite* CullVisitor::createImpostorSprite(Impostor& node)
{
unsigned int contextID = 0;
if (_state.valid()) contextID = _state->getContextID();
// default to true right now, will dertermine if perspective from the
// projection matrix...
bool isPerspectiveProjection = true;
@@ -905,9 +911,10 @@ ImpostorSprite* CullVisitor::createImpostorSprite(Impostor& node)
// update frame number to show that impostor is in action.
impostorSprite->setLastFrameUsed(getTraversalNumber());
// have successfully created an impostor sprite so now need to
// add it into the impostor.
node.addImpostorSprite(impostorSprite);
node.addImpostorSprite(contextID,impostorSprite);
if (_depthSortImpostorSprites)
{