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{
    "id": 25397,
    "url": "https://patchwork.libcamera.org/api/patches/25397/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25397/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20251210003139.43606-2-bryan.odonoghue@linaro.org>",
    "date": "2025-12-10T00:31:18",
    "name": "[v4,01/20] libcamera: shaders: Move GL shader programs to src/libcamera/assets/shader",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "ea81592788a00648bc93d42f1fe656e75700543d",
    "submitter": {
        "id": 175,
        "url": "https://patchwork.libcamera.org/api/people/175/?format=api",
        "name": "Bryan O'Donoghue",
        "email": "bryan.odonoghue@linaro.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/25397/mbox/",
    "series": [
        {
            "id": 5644,
            "url": "https://patchwork.libcamera.org/api/series/5644/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5644",
            "date": "2025-12-10T00:31:17",
            "name": "GPUISP precursor series",
            "version": 4,
            "mbox": "https://patchwork.libcamera.org/series/5644/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/25397/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25397/checks/",
    "tags": {},
    "headers": {
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        "From": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "pavel@ucw.cz, Bryan O'Donoghue <bryan.odonoghue@linaro.org>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tMilan Zamazal <mzamazal@redhat.com>",
        "Subject": "[PATCH v4 01/20] libcamera: shaders: Move GL shader programs to\n\tsrc/libcamera/assets/shader",
        "Date": "Wed, 10 Dec 2025 00:31:18 +0000",
        "Message-ID": "<20251210003139.43606-2-bryan.odonoghue@linaro.org>",
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    },
    "content": "Moving the vertex and fragment shaders to src/libcamera/shaders to\nallow for reuse of these inside of the SoftISP.\n\nA comment has been added to src/apps/qcam/meson.build to force a\nrebuild.\n\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\n---\n src/apps/qcam/assets/shader/shaders.qrc       | 16 ++---\n src/apps/qcam/meson.build                     |  3 +\n src/apps/qcam/viewfinder_gl.cpp               | 70 +++++++++----------\n .../shader => libcamera/shaders}/RGB.frag     |  0\n .../shaders}/YUV_2_planes.frag                |  0\n .../shaders}/YUV_3_planes.frag                |  0\n .../shaders}/YUV_packed.frag                  |  0\n .../shaders}/bayer_1x_packed.frag             |  0\n .../shader => libcamera/shaders}/bayer_8.frag |  0\n .../shader => libcamera/shaders}/bayer_8.vert |  0\n .../shaders}/identity.vert                    |  0\n 11 files changed, 46 insertions(+), 43 deletions(-)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/RGB.frag (100%)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/YUV_2_planes.frag (100%)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/YUV_3_planes.frag (100%)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/YUV_packed.frag (100%)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/bayer_1x_packed.frag (100%)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/bayer_8.frag (100%)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/bayer_8.vert (100%)\n rename src/{apps/qcam/assets/shader => libcamera/shaders}/identity.vert (100%)",
    "diff": "diff --git a/src/apps/qcam/assets/shader/shaders.qrc b/src/apps/qcam/assets/shader/shaders.qrc\nindex 96c709f92..7369cdbe8 100644\n--- a/src/apps/qcam/assets/shader/shaders.qrc\n+++ b/src/apps/qcam/assets/shader/shaders.qrc\n@@ -1,13 +1,13 @@\n <!-- SPDX-License-Identifier: LGPL-2.1-or-later -->\n <!DOCTYPE RCC><RCC version=\"1.0\">\n <qresource>\n-\t<file>RGB.frag</file>\n-\t<file>YUV_2_planes.frag</file>\n-\t<file>YUV_3_planes.frag</file>\n-\t<file>YUV_packed.frag</file>\n-\t<file>bayer_1x_packed.frag</file>\n-\t<file>bayer_8.frag</file>\n-\t<file>bayer_8.vert</file>\n-\t<file>identity.vert</file>\n+\t<file>../../../../../src/libcamera/shaders/RGB.frag</file>\n+\t<file>../../../../../src/libcamera/shaders/YUV_2_planes.frag</file>\n+\t<file>../../../../../src/libcamera/shaders/YUV_3_planes.frag</file>\n+\t<file>../../../../../src/libcamera/shaders/YUV_packed.frag</file>\n+\t<file>../../../../../src/libcamera/shaders/bayer_1x_packed.frag</file>\n+\t<file>../../../../../src/libcamera/shaders/bayer_8.frag</file>\n+\t<file>../../../../../src/libcamera/shaders/bayer_8.vert</file>\n+\t<file>../../../../../src/libcamera/shaders/identity.vert</file>\n </qresource>\n </RCC>\ndiff --git a/src/apps/qcam/meson.build b/src/apps/qcam/meson.build\nindex 9ca047b0f..33600095f 100644\n--- a/src/apps/qcam/meson.build\n+++ b/src/apps/qcam/meson.build\n@@ -64,3 +64,6 @@ qcam  = executable('qcam', qcam_sources, resources,\n                        qt6_dep,\n                    ],\n                    cpp_args : qt6_cpp_args)\n+\n+# Note: qt6.preprocess does not automatically rebuild when the\n+# qcam_resources dependency chain is updated.\ndiff --git a/src/apps/qcam/viewfinder_gl.cpp b/src/apps/qcam/viewfinder_gl.cpp\nindex f31956ff0..1554c94d5 100644\n--- a/src/apps/qcam/viewfinder_gl.cpp\n+++ b/src/apps/qcam/viewfinder_gl.cpp\n@@ -141,7 +141,7 @@ bool ViewFinderGL::selectFormat(const libcamera::PixelFormat &format)\n \ttextureMinMagFilters_ = GL_LINEAR;\n \n \t/* Use identity.vert as the default vertex shader. */\n-\tvertexShaderFile_ = \":identity.vert\";\n+\tvertexShaderFile_ = \":src/libcamera/shaders/identity.vert\";\n \n \tfragmentShaderDefines_.clear();\n \n@@ -150,170 +150,170 @@ bool ViewFinderGL::selectFormat(const libcamera::PixelFormat &format)\n \t\thorzSubSample_ = 2;\n \t\tvertSubSample_ = 2;\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_UV\");\n-\t\tfragmentShaderFile_ = \":YUV_2_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_2_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::NV21:\n \t\thorzSubSample_ = 2;\n \t\tvertSubSample_ = 2;\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_VU\");\n-\t\tfragmentShaderFile_ = \":YUV_2_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_2_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::NV16:\n \t\thorzSubSample_ = 2;\n \t\tvertSubSample_ = 1;\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_UV\");\n-\t\tfragmentShaderFile_ = \":YUV_2_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_2_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::NV61:\n \t\thorzSubSample_ = 2;\n \t\tvertSubSample_ = 1;\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_VU\");\n-\t\tfragmentShaderFile_ = \":YUV_2_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_2_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::NV24:\n \t\thorzSubSample_ = 1;\n \t\tvertSubSample_ = 1;\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_UV\");\n-\t\tfragmentShaderFile_ = \":YUV_2_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_2_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::NV42:\n \t\thorzSubSample_ = 1;\n \t\tvertSubSample_ = 1;\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_VU\");\n-\t\tfragmentShaderFile_ = \":YUV_2_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_2_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::YUV420:\n \t\thorzSubSample_ = 2;\n \t\tvertSubSample_ = 2;\n-\t\tfragmentShaderFile_ = \":YUV_3_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_3_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::YVU420:\n \t\thorzSubSample_ = 2;\n \t\tvertSubSample_ = 2;\n-\t\tfragmentShaderFile_ = \":YUV_3_planes.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_3_planes.frag\";\n \t\tbreak;\n \tcase libcamera::formats::UYVY:\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_UYVY\");\n-\t\tfragmentShaderFile_ = \":YUV_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_packed.frag\";\n \t\tbreak;\n \tcase libcamera::formats::VYUY:\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_VYUY\");\n-\t\tfragmentShaderFile_ = \":YUV_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_packed.frag\";\n \t\tbreak;\n \tcase libcamera::formats::YUYV:\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_YUYV\");\n-\t\tfragmentShaderFile_ = \":YUV_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_packed.frag\";\n \t\tbreak;\n \tcase libcamera::formats::YVYU:\n \t\tfragmentShaderDefines_.append(\"#define YUV_PATTERN_YVYU\");\n-\t\tfragmentShaderFile_ = \":YUV_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/YUV_packed.frag\";\n \t\tbreak;\n \tcase libcamera::formats::ABGR8888:\n \t\tfragmentShaderDefines_.append(\"#define RGB_PATTERN rgb\");\n-\t\tfragmentShaderFile_ = \":RGB.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/RGB.frag\";\n \t\tbreak;\n \tcase libcamera::formats::ARGB8888:\n \t\tfragmentShaderDefines_.append(\"#define RGB_PATTERN bgr\");\n-\t\tfragmentShaderFile_ = \":RGB.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/RGB.frag\";\n \t\tbreak;\n \tcase libcamera::formats::BGRA8888:\n \t\tfragmentShaderDefines_.append(\"#define RGB_PATTERN gba\");\n-\t\tfragmentShaderFile_ = \":RGB.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/RGB.frag\";\n \t\tbreak;\n \tcase libcamera::formats::RGBA8888:\n \t\tfragmentShaderDefines_.append(\"#define RGB_PATTERN abg\");\n-\t\tfragmentShaderFile_ = \":RGB.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/RGB.frag\";\n \t\tbreak;\n \tcase libcamera::formats::BGR888:\n \t\tfragmentShaderDefines_.append(\"#define RGB_PATTERN rgb\");\n-\t\tfragmentShaderFile_ = \":RGB.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/RGB.frag\";\n \t\tbreak;\n \tcase libcamera::formats::RGB888:\n \t\tfragmentShaderDefines_.append(\"#define RGB_PATTERN bgr\");\n-\t\tfragmentShaderFile_ = \":RGB.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/RGB.frag\";\n \t\tbreak;\n \tcase libcamera::formats::SBGGR8:\n \t\tfirstRed_.setX(1.0);\n \t\tfirstRed_.setY(1.0);\n-\t\tvertexShaderFile_ = \":bayer_8.vert\";\n-\t\tfragmentShaderFile_ = \":bayer_8.frag\";\n+\t\tvertexShaderFile_ = \":src/libcamera/shaders/bayer_8.vert\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_8.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SGBRG8:\n \t\tfirstRed_.setX(0.0);\n \t\tfirstRed_.setY(1.0);\n-\t\tvertexShaderFile_ = \":bayer_8.vert\";\n-\t\tfragmentShaderFile_ = \":bayer_8.frag\";\n+\t\tvertexShaderFile_ = \":src/libcamera/shaders/bayer_8.vert\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_8.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SGRBG8:\n \t\tfirstRed_.setX(1.0);\n \t\tfirstRed_.setY(0.0);\n-\t\tvertexShaderFile_ = \":bayer_8.vert\";\n-\t\tfragmentShaderFile_ = \":bayer_8.frag\";\n+\t\tvertexShaderFile_ = \":src/libcamera/shaders/bayer_8.vert\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_8.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SRGGB8:\n \t\tfirstRed_.setX(0.0);\n \t\tfirstRed_.setY(0.0);\n-\t\tvertexShaderFile_ = \":bayer_8.vert\";\n-\t\tfragmentShaderFile_ = \":bayer_8.frag\";\n+\t\tvertexShaderFile_ = \":src/libcamera/shaders/bayer_8.vert\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_8.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SBGGR10_CSI2P:\n \t\tfirstRed_.setX(1.0);\n \t\tfirstRed_.setY(1.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW10P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SGBRG10_CSI2P:\n \t\tfirstRed_.setX(0.0);\n \t\tfirstRed_.setY(1.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW10P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SGRBG10_CSI2P:\n \t\tfirstRed_.setX(1.0);\n \t\tfirstRed_.setY(0.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW10P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SRGGB10_CSI2P:\n \t\tfirstRed_.setX(0.0);\n \t\tfirstRed_.setY(0.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW10P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SBGGR12_CSI2P:\n \t\tfirstRed_.setX(1.0);\n \t\tfirstRed_.setY(1.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW12P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SGBRG12_CSI2P:\n \t\tfirstRed_.setX(0.0);\n \t\tfirstRed_.setY(1.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW12P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SGRBG12_CSI2P:\n \t\tfirstRed_.setX(1.0);\n \t\tfirstRed_.setY(0.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW12P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tcase libcamera::formats::SRGGB12_CSI2P:\n \t\tfirstRed_.setX(0.0);\n \t\tfirstRed_.setY(0.0);\n \t\tfragmentShaderDefines_.append(\"#define RAW12P\");\n-\t\tfragmentShaderFile_ = \":bayer_1x_packed.frag\";\n+\t\tfragmentShaderFile_ = \":src/libcamera/shaders/bayer_1x_packed.frag\";\n \t\ttextureMinMagFilters_ = GL_NEAREST;\n \t\tbreak;\n \tdefault:\ndiff --git a/src/apps/qcam/assets/shader/RGB.frag b/src/libcamera/shaders/RGB.frag\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/RGB.frag\nrename to src/libcamera/shaders/RGB.frag\ndiff --git a/src/apps/qcam/assets/shader/YUV_2_planes.frag b/src/libcamera/shaders/YUV_2_planes.frag\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/YUV_2_planes.frag\nrename to src/libcamera/shaders/YUV_2_planes.frag\ndiff --git a/src/apps/qcam/assets/shader/YUV_3_planes.frag b/src/libcamera/shaders/YUV_3_planes.frag\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/YUV_3_planes.frag\nrename to src/libcamera/shaders/YUV_3_planes.frag\ndiff --git a/src/apps/qcam/assets/shader/YUV_packed.frag b/src/libcamera/shaders/YUV_packed.frag\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/YUV_packed.frag\nrename to src/libcamera/shaders/YUV_packed.frag\ndiff --git a/src/apps/qcam/assets/shader/bayer_1x_packed.frag b/src/libcamera/shaders/bayer_1x_packed.frag\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/bayer_1x_packed.frag\nrename to src/libcamera/shaders/bayer_1x_packed.frag\ndiff --git a/src/apps/qcam/assets/shader/bayer_8.frag b/src/libcamera/shaders/bayer_8.frag\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/bayer_8.frag\nrename to src/libcamera/shaders/bayer_8.frag\ndiff --git a/src/apps/qcam/assets/shader/bayer_8.vert b/src/libcamera/shaders/bayer_8.vert\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/bayer_8.vert\nrename to src/libcamera/shaders/bayer_8.vert\ndiff --git a/src/apps/qcam/assets/shader/identity.vert b/src/libcamera/shaders/identity.vert\nsimilarity index 100%\nrename from src/apps/qcam/assets/shader/identity.vert\nrename to src/libcamera/shaders/identity.vert\n",
    "prefixes": [
        "v4",
        "01/20"
    ]
}