From aaa48bb276ef88fa488f3c08f16ee1b74b3bfb6d Mon Sep 17 00:00:00 2001 From: Bryan O'Donoghue Date: Tue, 6 Jan 2026 17:00:59 +0000 Subject: [PATCH] libcamera: software_isp: Add a gpuisp todo list List the series of things to do in GPU ISP in perceived order of difficulty. Acked-by: Kieran Bingham Reviewed-by: Milan Zamazal Tested-by: Robert Mader Tested-by: Hans de Goede # ThinkPad T14s gen 6 (arm64) ov02c10 + X1c gen 12 ov08x40 Tested-by: Kieran Bingham # Lenovo X13s Signed-off-by: Bryan O'Donoghue Signed-off-by: Kieran Bingham --- src/libcamera/software_isp/gpuisp-todo.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/libcamera/software_isp/gpuisp-todo.txt diff --git a/src/libcamera/software_isp/gpuisp-todo.txt b/src/libcamera/software_isp/gpuisp-todo.txt new file mode 100644 index 00000000..8930da12 --- /dev/null +++ b/src/libcamera/software_isp/gpuisp-todo.txt @@ -0,0 +1,40 @@ +List the TODOs in perceived order of ease. + + +Denoising: + - WIP + +Dead pixel correction: + - WIP + +Lense shading correction: + - WIP + +Use dma-buf handle to generate upload texture: + - eglCreateImageKHR can be used to generate the upload texture i.e. + to feed the bayer data into the GPU. + +processFrame() to run in its own thread: + - processFrame() runs in the context of the Debayer::process() + thread. Robert Mader suggested and it seems like a good + suggestion too to run processFrame() in its own thread. + +Multi-pass shaders: + - This needs some rewiring the idea is to have a list + of algorithms as is done in cpuisp iterating through the + list in a for() loop. + - The logic managing the loop has an initial input buffer + and the final output buffer. + - The higher level logic must then inform each of the + algorithms either to generate an internal working buffer + or pass the final output buffer to the last shader + in the list + - This will allow for multi-pass shaders with the final + algorithm presenting data not to its internal buffer + but to the final output buffer + +24 bit output support: + - Need to implement compute shader to do this. + +Lense flare correction: + - Not WIP still TBD