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Merge branch 'alpha-test-override' into 'master'

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Ensure original (removed) state overrides replacement state when recreating shaders

Closes #6108

See merge request OpenMW/openmw!966
This commit is contained in:
psi29a 2021-06-28 13:54:28 +00:00
commit 07a7a903a7
1 changed files with 10 additions and 5 deletions
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15
components/shader/shadervisitor.cpp
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@ -275,10 +275,12 @@ namespace Shader
osg::StateSet::AttributeList removedAttributes; osg::StateSet::AttributeList removedAttributes;
if (osg::ref_ptr<osg::StateSet> removedState = getRemovedState(*stateset)) if (osg::ref_ptr<osg::StateSet> removedState = getRemovedState(*stateset))
removedAttributes = removedState->getAttributeList(); removedAttributes = removedState->getAttributeList();
for (const auto& attributeMap : { attributes, removedAttributes }) for (const auto* attributeMap : std::initializer_list<const osg::StateSet::AttributeList*>{ &attributes, &removedAttributes })
{ {
for (osg::StateSet::AttributeList::const_iterator it = attributeMap.begin(); it != attributeMap.end(); ++it) for (osg::StateSet::AttributeList::const_iterator it = attributeMap->begin(); it != attributeMap->end(); ++it)
{ {
if (attributeMap != &removedAttributes && removedAttributes.count(it->first))
continue;
if (it->first.first == osg::StateAttribute::MATERIAL) if (it->first.first == osg::StateAttribute::MATERIAL)
{ {
// This should probably be moved out of ShaderRequirements and be applied directly now it's a uniform instead of a define // This should probably be moved out of ShaderRequirements and be applied directly now it's a uniform instead of a define
@ -400,9 +402,12 @@ namespace Shader
{ {
writableStateSet->addUniform(new osg::Uniform("alphaRef", reqs.mAlphaRef)); writableStateSet->addUniform(new osg::Uniform("alphaRef", reqs.mAlphaRef));
const auto* alphaFunc = writableStateSet->getAttributePair(osg::StateAttribute::ALPHAFUNC); if (!removedState->getAttributePair(osg::StateAttribute::ALPHAFUNC))
if (alphaFunc) {
removedState->setAttribute(alphaFunc->first, alphaFunc->second); const auto* alphaFunc = writableStateSet->getAttributePair(osg::StateAttribute::ALPHAFUNC);
if (alphaFunc)
removedState->setAttribute(alphaFunc->first, alphaFunc->second);
}
// This prevents redundant glAlphaFunc calls while letting the shadows bin still see the test // This prevents redundant glAlphaFunc calls while letting the shadows bin still see the test
writableStateSet->setAttribute(RemovedAlphaFunc::getInstance(reqs.mAlphaFunc), osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE); writableStateSet->setAttribute(RemovedAlphaFunc::getInstance(reqs.mAlphaFunc), osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);