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Tsirkin" , Gerd Hoffmann , Paolo Bonzini , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Thomas Huth , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [RFC PATCH] subprojects: add a wrapper for libvirglrenderer Date: Wed, 5 Jun 2024 14:35:27 +0100 Message-Id: <20240605133527.529950-1-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::52a; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x52a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1717594553329100003 As the latest features for virtio-gpu need a pretty recent version of libvirglrenderer. When it is not available on the system we can use a meson wrapper and provide it when --download is specified in configure. We have to take some additional care as currently QEMU will hang libvirglrenderer fails to exec the render server. As the error isn't back propagated we make sure we at least test we have a path to an executable before tweaking the environment. Signed-off-by: Alex Benn=C3=A9e Cc: Manos Pitsidianakis Cc: Dmitry Osipenko Cc: Akihiko Odaki --- meson.build | 7 ++++++- hw/display/virtio-gpu-virgl.c | 24 ++++++++++++++++++++++++ subprojects/virglrenderer.wrap | 6 ++++++ 3 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 subprojects/virglrenderer.wrap diff --git a/meson.build b/meson.build index 1d7346b703..e4e270df78 100644 --- a/meson.build +++ b/meson.build @@ -1203,7 +1203,8 @@ have_vhost_user_gpu =3D have_tools and host_os =3D=3D= 'linux' and pixman.found() if not get_option('virglrenderer').auto() or have_system or have_vhost_use= r_gpu virgl =3D dependency('virglrenderer', method: 'pkg-config', - required: get_option('virglrenderer')) + required: get_option('virglrenderer'), + default_options: ['default_library=3Dstatic', 'render= -server=3Dtrue', 'venus=3Dtrue']) endif rutabaga =3D not_found if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user= _gpu @@ -2314,6 +2315,10 @@ if virgl.version().version_compare('>=3D1.0.0') config_host_data.set('HAVE_VIRGL_RESOURCE_BLOB', 1) config_host_data.set('HAVE_VIRGL_VENUS', 1) endif +if virgl.type_name().contains('internal') + config_host_data.set('HAVE_BUNDLED_VIRGL_SERVER', 1) +endif + config_host_data.set('CONFIG_VIRTFS', have_virtfs) config_host_data.set('CONFIG_VTE', vte.found()) config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found()) diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index c9d20a8a60..53d6742e79 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -14,6 +14,7 @@ #include "qemu/osdep.h" #include "qemu/error-report.h" #include "qemu/iov.h" +#include "qemu/cutils.h" #include "trace.h" #include "hw/virtio/virtio.h" #include "hw/virtio/virtio-gpu.h" @@ -1122,6 +1123,26 @@ void virtio_gpu_virgl_reset(VirtIOGPU *g) virgl_renderer_reset(); } =20 +/* + * If we fail to spawn the render server things tend to hang so it is + * important to do our due diligence before then. If QEMU has bundled + * the virgl server we want to ensure we can run it from the build + * directory and if installed. + * + * The principle way we can override the libvirglrenders behaviour is + * by setting environment variables. + */ +static void virgl_set_render_env(void) +{ +#ifdef HAVE_BUNDLED_VIRGL_SERVER + g_autofree char *file =3D get_relocated_path(CONFIG_QEMU_HELPERDIR "/v= irgl_render_server"); + if (g_file_test(file, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_EXECUTABLE))= { + g_setenv("RENDER_SERVER_EXEC_PATH", file, false); + } +#endif +} + + int virtio_gpu_virgl_init(VirtIOGPU *g) { int ret; @@ -1145,6 +1166,9 @@ int virtio_gpu_virgl_init(VirtIOGPU *g) } #endif =20 + /* Ensure we can find the render server */ + virgl_set_render_env(); + ret =3D virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs); if (ret !=3D 0) { error_report("virgl could not be initialized: %d", ret); diff --git a/subprojects/virglrenderer.wrap b/subprojects/virglrenderer.wrap new file mode 100644 index 0000000000..3656a478c4 --- /dev/null +++ b/subprojects/virglrenderer.wrap @@ -0,0 +1,6 @@ +[wrap-git] +url =3D https://gitlab.freedesktop.org/virgl/virglrenderer.git +revision =3D virglrenderer-1.0.1 + +[provide] +virglrenderer =3D libvirglrenderer_dep --=20 2.39.2