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[188.141.3.146]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4532514138asm5680625e9.3.2025.06.10.18.33.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jun 2025 18:33:18 -0700 (PDT) From: Bryan O'Donoghue To: libcamera-devel@lists.libcamera.org Cc: Bryan O'Donoghue Subject: [PATCH 06/35] libcamera: MappedFrameBuffer: Latch a pointer to the framebuffer Date: Wed, 11 Jun 2025 02:32:16 +0100 Message-ID: <20250611013245.133785-7-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250611013245.133785-1-bryan.odonoghue@linaro.org> References: <20250611013245.133785-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Take a pointer to the given framebuffer as a private member for further use in later patches. Signed-off-by: Bryan O'Donoghue Reviewed-by: Milan Zamazal --- include/libcamera/internal/mapped_framebuffer.h | 3 +++ src/libcamera/mapped_framebuffer.cpp | 2 ++ 2 files changed, 5 insertions(+) diff --git a/include/libcamera/internal/mapped_framebuffer.h b/include/libcamera/internal/mapped_framebuffer.h index 6aaabf50..75ac2c8f 100644 --- a/include/libcamera/internal/mapped_framebuffer.h +++ b/include/libcamera/internal/mapped_framebuffer.h @@ -55,6 +55,9 @@ public: using MapFlags = Flags; MappedFrameBuffer(const FrameBuffer *buffer, MapFlags flags); + +private: + const FrameBuffer *buffer_; }; LIBCAMERA_FLAGS_ENABLE_OPERATORS(MappedFrameBuffer::MapFlag) diff --git a/src/libcamera/mapped_framebuffer.cpp b/src/libcamera/mapped_framebuffer.cpp index f54bbf21..f5ee770c 100644 --- a/src/libcamera/mapped_framebuffer.cpp +++ b/src/libcamera/mapped_framebuffer.cpp @@ -238,6 +238,8 @@ MappedFrameBuffer::MappedFrameBuffer(const FrameBuffer *buffer, MapFlags flags) planes_.emplace_back(info.address + plane.offset, plane.length); } + + buffer_ = buffer; } } /* namespace libcamera */