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Adding Icecode GL's polygon-offset support for effects

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This commit is contained in:
PSadrozinski
2011-11-06 09:47:29 -05:00
parent 977f23f0e7
commit a543560f7d
1 changed files with 29 additions and 0 deletions
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29
simgear/scene/material/Effect.cxx
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@@ -46,6 +46,7 @@
#include <osg/Material>
#include <osg/Math>
#include <osg/PolygonMode>
#include <osg/PolygonOffset>
#include <osg/Program>
#include <osg/Referenced>
#include <osg/RenderInfo>
@@ -1059,6 +1060,34 @@ struct PolygonModeBuilder : public PassAttributeBuilder
InstallAttributeBuilder<PolygonModeBuilder> installPolygonMode("polygon-mode");
struct PolygonOffsetBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
const SGReaderWriterXMLOptions* options)
{
if (!isAttributeActive(effect, prop))
return;
const SGPropertyNode* factor
= getEffectPropertyChild(effect, prop, "factor");
const SGPropertyNode* units
= getEffectPropertyChild(effect, prop, "units");
ref_ptr<PolygonOffset> polyoffset = new PolygonOffset;
polyoffset->setFactor(factor->getFloatValue());
polyoffset->setUnits(units->getFloatValue());
SG_LOG(SG_INPUT, SG_BULK,
"Set PolygonOffset to " << polyoffset->getFactor() << polyoffset->getUnits() );
pass->setAttributeAndModes(polyoffset.get(),
StateAttribute::OVERRIDE|StateAttribute::ON);
}
};
InstallAttributeBuilder<PolygonOffsetBuilder> installPolygonOffset("polygon-offset");
struct VertexProgramTwoSideBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,