libcamera: MappedFrameBuffer: Add MappedFrameBuffer::getPlaneFD()
Add MappedFrameBuffer::getPlaneFD() which takes a plane index and returns the file descriptor associated with it. This fd will be used to feed into eglCreateImageKHR for both texture creation on upload and directly render-to-texture where the texture buffer comes from the fd given to eglCreateImageKHR. Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
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@ -55,6 +55,7 @@ public:
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using MapFlags = Flags<MapFlag>;
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MappedFrameBuffer(const FrameBuffer *buffer, MapFlags flags);
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int getPlaneFD(int plane);
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private:
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const FrameBuffer *buffer_;
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@ -242,4 +242,9 @@ MappedFrameBuffer::MappedFrameBuffer(const FrameBuffer *buffer, MapFlags flags)
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buffer_ = buffer;
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}
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int MappedFrameBuffer::getPlaneFD(int plane)
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{
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return buffer_->planes()[plane].fd.get();
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}
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} /* namespace libcamera */
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