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https://github.com/brunoherbelin/vimix.git
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48b1bfaebd
Improved warning when allocating FrameBuffer. Avoid allocating FrameBuffer when buffering delay in Clone Source if we risk to consume all RAM in graphics card.
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
#ifndef CLONESOURCE_H
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#define CLONESOURCE_H
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#include <queue>
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#include "Source.h"
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class CloneSource : public Source
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{
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friend class Source;
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public:
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~CloneSource();
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// implementation of source API
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void update (float dt) override;
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void setActive (bool on) override;
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bool playing () const override { return !paused_; }
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void play (bool on) override;
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bool playable () const override;
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void replay () override;
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guint64 playtime () const override;
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uint texture() const override;
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bool failed() const override { return origin_ == nullptr; }
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void accept (Visitor& v) override;
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// implementation of cloning mechanism
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CloneSource *clone(uint64_t id = 0) override;
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inline void detach() { origin_ = nullptr; }
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inline Source *origin() const { return origin_; }
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// Clone properties
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typedef enum {
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CLONE_TEXTURE = 0,
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CLONE_RENDER
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} CloneSourceProvenance;
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static const char* cloning_provenance_label[2];
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void setCloningProvenance(CloneSourceProvenance m) { provenance_ = m; }
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CloneSourceProvenance cloningProvenance() const { return provenance_; }
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void setDelay(double second);
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double delay() const { return delay_; }
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glm::ivec2 icon() const override;
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std::string info() const override;
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protected:
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// only Source class can create new CloneSource via clone();
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CloneSource(Source *origin, uint64_t id = 0);
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void init() override;
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Source *origin_;
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// cloning & queue of past frames
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std::queue<FrameBuffer *> images_;
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Surface *cloningsurface_;
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FrameBuffer *garbage_image_;
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// time management
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GTimer *timer_;
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std::queue<double> elapsed_;
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std::queue<guint64> timestamps_;
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double delay_;
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// control
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bool paused_;
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CloneSourceProvenance provenance_;
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// connecting line
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class DotLine *connection_;
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};
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#endif // CLONESOURCE_H
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