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\n\tWed, 17 Dec 2025 02:02:14 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz, Bryan O'Donoghue ,\n\tKieran Bingham ","Subject":"[PATCH v9 26/26] libcamera: software_isp: Add a gpuisp todo list","Date":"Wed, 17 Dec 2025 10:01:38 +0000","Message-ID":"<20251217100138.82525-27-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20251217100138.82525-1-bryan.odonoghue@linaro.org>","References":"<20251217100138.82525-1-bryan.odonoghue@linaro.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"List the series of things to do in GPU ISP in perceived order of\ndifficulty.\n\nAcked-by: Kieran Bingham \nSigned-off-by: Bryan O'Donoghue \n---\n src/libcamera/software_isp/gpuisp-todo.txt | 40 ++++++++++++++++++++++\n 1 file changed, 40 insertions(+)\n create mode 100644 src/libcamera/software_isp/gpuisp-todo.txt","diff":"diff --git a/src/libcamera/software_isp/gpuisp-todo.txt b/src/libcamera/software_isp/gpuisp-todo.txt\nnew file mode 100644\nindex 000000000..8930da120\n--- /dev/null\n+++ b/src/libcamera/software_isp/gpuisp-todo.txt\n@@ -0,0 +1,40 @@\n+List the TODOs in perceived order of ease.\n+\n+\n+Denoising:\n+\t- WIP\n+\n+Dead pixel correction:\n+\t- WIP\n+\n+Lense shading correction:\n+\t- WIP\n+\n+Use dma-buf handle to generate upload texture:\n+\t- eglCreateImageKHR can be used to generate the upload texture i.e.\n+\t to feed the bayer data into the GPU.\n+\n+processFrame() to run in its own thread:\n+\t- processFrame() runs in the context of the Debayer::process()\n+\t thread. Robert Mader suggested and it seems like a good\n+\t suggestion too to run processFrame() in its own thread.\n+\n+Multi-pass shaders:\n+\t- This needs some rewiring the idea is to have a list\n+\t of algorithms as is done in cpuisp iterating through the\n+\t list in a for() loop.\n+\t- The logic managing the loop has an initial input buffer\n+\t and the final output buffer.\n+\t- The higher level logic must then inform each of the\n+\t algorithms either to generate an internal working buffer\n+\t or pass the final output buffer to the last shader\n+\t in the list\n+\t- This will allow for multi-pass shaders with the final\n+\t algorithm presenting data not to its internal buffer\n+\t but to the final output buffer\n+\n+24 bit output support:\n+\t- Need to implement compute shader to do this.\n+\n+Lense flare correction:\n+\t- Not WIP still TBD\n","prefixes":["v9","26/26"]}