mirror of
https://github.com/OpenMW/openmw.git
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81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
#ifndef OPENMW_COMPONENTS_DEBUG_GLDEBUG_H
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#define OPENMW_COMPONENTS_DEBUG_GLDEBUG_H
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#include <osgViewer/ViewerEventHandlers>
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namespace Debug
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{
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class EnableGLDebugOperation : public osg::GraphicsOperation
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{
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public:
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EnableGLDebugOperation();
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void operator()(osg::GraphicsContext* graphicsContext) override;
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private:
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OpenThreads::Mutex mMutex;
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};
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bool shouldDebugOpenGL();
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/*
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Debug groups allow rendering to be annotated, making debugging via APITrace/CodeXL/NSight etc. much clearer.
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Because I've not thought of a quick and clean way of doing it without incurring a small performance cost,
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there are no uses of this class checked in. For now, add annotations locally when you need them.
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To use this class, add it to a StateSet just like any other StateAttribute. Prefer the string-only constructor.
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You'll need OPENMW_DEBUG_OPENGL set to true, or shouldDebugOpenGL() redefined to just return true as otherwise
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the extension function pointers won't get set up. That can maybe be cleaned up in the future.
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Beware that consecutive identical debug groups (i.e. pointers match) won't always get applied due to OSG thinking
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it's already applied them. Either avoid nesting the same object, add dummy groups so they're not consecutive, or
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ensure the leaf group isn't identical to its parent.
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*/
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class DebugGroup : public osg::StateAttribute
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{
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public:
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DebugGroup()
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: mSource(0)
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, mId(0)
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, mMessage("")
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{}
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DebugGroup(GLenum source, GLuint id, const std::string& message)
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: mSource(source)
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, mId(id)
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, mMessage(message)
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{}
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DebugGroup(const std::string& message, GLuint id = 0);
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DebugGroup(const DebugGroup& debugGroup, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
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META_StateAttribute(Debug, DebugGroup, osg::StateAttribute::Type(101));
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void apply(osg::State& state) const override;
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int compare(const StateAttribute& sa) const override;
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void releaseGLObjects(osg::State* state = nullptr) const override;
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virtual bool isValid() const;
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protected:
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virtual ~DebugGroup() = default;
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virtual void push(osg::State& state) const;
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virtual void pop(osg::State& state) const;
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GLenum mSource;
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GLuint mId;
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std::string mMessage;
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static std::map<unsigned int, std::vector<const DebugGroup *>> sLastAppliedStack;
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friend EnableGLDebugOperation;
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};
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}
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#endif
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