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Merge branch 'fix_dangling_light_manager' into 'master'

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Replace raw pointer by observer_ptr to avoid dangling pointer dereferencing (#6044)

Closes #6044

See merge request OpenMW/openmw!865
This commit is contained in:
psi29a 2021-05-15 15:19:55 +00:00
commit a1b96cb9cc
1 changed files with 10 additions and 6 deletions
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16
components/sceneutil/lightmanager.cpp
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@ -731,7 +731,7 @@ namespace SceneUtil
META_StateAttribute(NifOsg, LightManagerStateAttribute, osg::StateAttribute::LIGHT)
void initSharedLayout(osg::GLExtensions* ext, int handle) const
void initSharedLayout(osg::GLExtensions* ext, int handle, LightManager& lightManager) const
{
constexpr std::array<unsigned int, 1> index = { static_cast<unsigned int>(Shader::UBOBinding::LightBuffer) };
int totalBlockSize = -1;
@ -753,13 +753,17 @@ namespace SceneUtil
for (int i = 0; i < 2; ++i)
{
auto& buf = mLightManager->getLightBuffer(i);
auto& buf = lightManager.getLightBuffer(i);
buf->configureLayout(offsets[0], offsets[1], offsets[2], totalBlockSize, stride);
}
}
void apply(osg::State& state) const override
{
osg::ref_ptr<LightManager> lightManager;
if (!mLightManager.lock(lightManager))
return;
if (!mInitLayout)
{
mDummyProgram->apply(state);
@ -772,12 +776,12 @@ namespace SceneUtil
// wait until the UBO binding is created
if (activeUniformBlocks > 0)
{
initSharedLayout(ext, handle);
initSharedLayout(ext, handle, *lightManager);
mInitLayout = true;
}
}
mLightManager->getLightBuffer(state.getFrameStamp()->getFrameNumber())->uploadCachedSunPos(state.getInitialViewMatrix());
mLightManager->getLightBuffer(state.getFrameStamp()->getFrameNumber())->dirty();
lightManager->getLightBuffer(state.getFrameStamp()->getFrameNumber())->uploadCachedSunPos(state.getInitialViewMatrix());
lightManager->getLightBuffer(state.getFrameStamp()->getFrameNumber())->dirty();
}
private:
@ -807,7 +811,7 @@ namespace SceneUtil
return shader;
}
LightManager* mLightManager;
osg::observer_ptr<LightManager> mLightManager;
osg::ref_ptr<osg::Program> mDummyProgram;
mutable bool mInitLayout;
};