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Convert blending factors properly for the character preview

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This commit is contained in:
AnyOldName3 2021-03-10 22:07:14 +00:00
parent d990c425b8
commit cb2cbb4181
2 changed files with 40 additions and 9 deletions
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11
components/myguiplatform/myguirendermanager.cpp
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@ -14,6 +14,8 @@
#include <components/resource/imagemanager.hpp>
#include <components/debug/debuglog.hpp>
#include "myguicompat.h"
#include "myguitexture.hpp"
@ -439,14 +441,23 @@ void RenderManager::doRender(MyGUI::IVertexBuffer *buffer, MyGUI::ITexture *text
batch.mVertexBuffer = static_cast<OSGVertexBuffer*>(buffer)->getVertexBuffer();
batch.mArray = static_cast<OSGVertexBuffer*>(buffer)->getVertexArray();
static_cast<OSGVertexBuffer*>(buffer)->markUsed();
bool premultipliedAlpha = false;
if (texture)
{
batch.mTexture = static_cast<OSGTexture*>(texture)->getTexture();
if (batch.mTexture->getDataVariance() == osg::Object::DYNAMIC)
mDrawable->setDataVariance(osg::Object::DYNAMIC); // only for this frame, reset in begin()
batch.mTexture->getUserValue("premultiplied alpha", premultipliedAlpha);
}
if (mInjectState)
batch.mStateSet = mInjectState;
else if (premultipliedAlpha)
{
// This is hacky, but MyGUI made it impossible to use a custom layer for a nested node, so state couldn't be injected 'properly'
osg::ref_ptr<osg::StateSet> stateSet = new osg::StateSet();
stateSet->setAttribute(new osg::BlendFunc(osg::BlendFunc::ONE, osg::BlendFunc::ONE_MINUS_SRC_ALPHA));
batch.mStateSet = stateSet;
}
mDrawable->addBatch(batch);
}