{"id":25289,"url":"https://patchwork.libcamera.org/api/1.1/patches/25289/?format=json","web_url":"https://patchwork.libcamera.org/patch/25289/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20251202133157.661407-4-bryan.odonoghue@linaro.org>","date":"2025-12-02T13:31:34","name":"[v3,03/22] meson: Automatically generate glsl_shaders.h from specified shader programs","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"78bfd4997334c20c8a02b8d8be329e8c31927538","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/1.1/people/175/?format=json","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/25289/mbox/","series":[{"id":5630,"url":"https://patchwork.libcamera.org/api/1.1/series/5630/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5630","date":"2025-12-02T13:31:31","name":"GPUISP precursor series","version":3,"mbox":"https://patchwork.libcamera.org/series/5630/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/25289/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/25289/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 4EBE9BD80A\n\tfor ;\n\tTue, 2 Dec 2025 13:32:11 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 8049F60C90;\n\tTue, 2 Dec 2025 14:32:09 +0100 (CET)","from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com\n\t[IPv6:2a00:1450:4864:20::32e])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 7DBD360C7C\n\tfor ;\n\tTue, 2 Dec 2025 14:32:04 +0100 (CET)","by mail-wm1-x32e.google.com with SMTP id\n\t5b1f17b1804b1-477619f8ae5so38509275e9.3\n\tfor ;\n\tTue, 02 Dec 2025 05:32:04 -0800 (PST)","from inspiron14p-linux.ht.home (188-141-3-146.dynamic.upc.ie.\n\t[188.141.3.146]) by smtp.gmail.com with ESMTPSA id\n\tffacd0b85a97d-42e1c5c30c4sm33363322f8f.9.2025.12.02.05.32.02\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 02 Dec 2025 05:32:03 -0800 (PST)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tTue, 02 Dec 2025 05:32:03 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz, Bryan O'Donoghue ,\n\tKieran Bingham ","Subject":"[PATCH v3 03/22] meson: Automatically generate glsl_shaders.h from\n\tspecified shader programs","Date":"Tue, 2 Dec 2025 13:31:34 +0000","Message-ID":"<20251202133157.661407-4-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20251202133157.661407-1-bryan.odonoghue@linaro.org>","References":"<20251202133157.661407-1-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":"Encode the bayer shader files into a header as part of the build process.\nQcam already compiles the shader files down into a QT resource file which\nit references internally.\n\nIn order to share the debayering shader programs outside of qcam create a\ngeneric header which both qcam and libcamera can operate from.\n\nAcked-by: Kieran Bingham \nSigned-off-by: Bryan O'Donoghue \n---\n src/libcamera/meson.build | 11 +++++++++++\n src/libcamera/shaders/meson.build | 10 ++++++++++\n utils/meson.build | 2 ++\n 3 files changed, 23 insertions(+)\n create mode 100644 src/libcamera/shaders/meson.build","diff":"diff --git a/src/libcamera/meson.build b/src/libcamera/meson.build\nindex 34e20f557..90d434a5a 100644\n--- a/src/libcamera/meson.build\n+++ b/src/libcamera/meson.build\n@@ -76,6 +76,7 @@ subdir('ipa')\n subdir('pipeline')\n subdir('proxy')\n subdir('sensor')\n+subdir('shaders')\n subdir('software_isp')\n \n libdl = dependency('dl')\n@@ -182,6 +183,16 @@ libcamera_deps += [\n libyaml,\n ]\n \n+# Generate headers from shaders\n+libcamera_shader_headers = custom_target(\n+ 'gen-shader-headers',\n+ input : [shader_files],\n+ output : 'glsl_shaders.h',\n+ command : [gen_shader_headers, meson.project_source_root(), meson.project_build_root(), '@OUTPUT@', '@INPUT@'],\n+)\n+\n+libcamera_internal_headers += libcamera_shader_headers\n+\n # We add '/' to the build_rpath as a 'safe' path to act as a boolean flag.\n # The build_rpath is stripped at install time by meson, so we determine at\n # runtime if the library is running from an installed location by checking\ndiff --git a/src/libcamera/shaders/meson.build b/src/libcamera/shaders/meson.build\nnew file mode 100644\nindex 000000000..386b342d0\n--- /dev/null\n+++ b/src/libcamera/shaders/meson.build\n@@ -0,0 +1,10 @@\n+# SPDX-License-Identifier: CC0-1.0\n+\n+# List of shader files to convert to header hex\n+# for the purposes of inclusion in OpenGL debayering\n+shader_files = files([\n+ 'bayer_1x_packed.frag',\n+ 'bayer_8.frag',\n+ 'bayer_8.vert',\n+ 'identity.vert',\n+])\ndiff --git a/utils/meson.build b/utils/meson.build\nindex 95d657ac9..3deed8ad4 100644\n--- a/utils/meson.build\n+++ b/utils/meson.build\n@@ -3,5 +3,7 @@\n subdir('codegen')\n subdir('ipu3')\n \n+gen_shader_headers = files('gen-shader-headers.sh')\n+\n ## Module signing\n gen_ipa_priv_key = files('gen-ipa-priv-key.sh')\n","prefixes":["v3","03/22"]}