[07/35] libcamera: MappedFrameBuffer: Add MappedFrameBuffer::getPlaneFD()
diff mbox series

Message ID 20250611013245.133785-8-bryan.odonoghue@linaro.org
State New
Headers show
Series
  • Add GLES 2.0 GPUISP to libcamera
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Commit Message

Bryan O'Donoghue June 11, 2025, 1:32 a.m. UTC 
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>
---
 include/libcamera/internal/mapped_framebuffer.h | 1 +
 src/libcamera/mapped_framebuffer.cpp            | 5 +++++
 2 files changed, 6 insertions(+)

Patch
diff mbox series 

diff --git a/include/libcamera/internal/mapped_framebuffer.h b/include/libcamera/internal/mapped_framebuffer.h
index 75ac2c8f..9a5355c7 100644
--- a/include/libcamera/internal/mapped_framebuffer.h
+++ b/include/libcamera/internal/mapped_framebuffer.h
@@ -55,6 +55,7 @@  public:
 	using MapFlags = Flags<MapFlag>;
 
 	MappedFrameBuffer(const FrameBuffer *buffer, MapFlags flags);
+	int getPlaneFD(int plane);
 
 private:
 	const FrameBuffer *buffer_;
diff --git a/src/libcamera/mapped_framebuffer.cpp b/src/libcamera/mapped_framebuffer.cpp
index f5ee770c..d5f347d4 100644
--- a/src/libcamera/mapped_framebuffer.cpp
+++ b/src/libcamera/mapped_framebuffer.cpp
@@ -242,4 +242,9 @@  MappedFrameBuffer::MappedFrameBuffer(const FrameBuffer *buffer, MapFlags flags)
 	buffer_ = buffer;
 }
 
+int MappedFrameBuffer::getPlaneFD(int plane)
+{
+	return buffer_->planes()[plane].fd.get();
+}
+
 } /* namespace libcamera */