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Tsirkin" , Paolo Bonzini Cc: Gert Wollny , qemu-devel@nongnu.org, Gurchetan Singh , Alyssa Ross , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xenia Ragiadakou , Pierre-Eric Pelloux-Prayer , Honglei Huang , Julia Zhang , Chen Jiqian , Rob Clark Subject: [PATCH v1 2/6] ui/sdl2: Implement dpy dmabuf functions Date: Mon, 7 Oct 2024 02:23:44 +0300 Message-ID: <20241006232350.3198759-3-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241006232350.3198759-1-dmitry.osipenko@collabora.com> References: <20241006232350.3198759-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External 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=136.143.188.112; envelope-from=dmitry.osipenko@collabora.com; helo=sender4-pp-f112.zoho.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, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 dmitry.osipenko@collabora.com) X-ZM-MESSAGEID: 1728257279226116600 Content-Type: text/plain; charset="utf-8" From: Pierre-Eric Pelloux-Prayer If EGL is used, we can rely on dmabuf to import textures without doing copies. To get this working on X11, we use the existing SDL hint: SDL_HINT_VIDEO_X11_FORCE_EGL (because dmabuf can't be used with GLX). Signed-off-by: Pierre-Eric Pelloux-Prayer Signed-off-by: Dmitry Osipenko --- include/ui/sdl2.h | 5 +++++ ui/sdl2-gl.c | 39 +++++++++++++++++++++++++++++++++++++++ ui/sdl2.c | 8 ++++++++ 3 files changed, 52 insertions(+) diff --git a/include/ui/sdl2.h b/include/ui/sdl2.h index dbe6e3d9739b..b14552f5cd71 100644 --- a/include/ui/sdl2.h +++ b/include/ui/sdl2.h @@ -96,5 +96,10 @@ void sdl2_gl_scanout_texture(DisplayChangeListener *dcl, void *d3d_tex2d); void sdl2_gl_scanout_flush(DisplayChangeListener *dcl, uint32_t x, uint32_t y, uint32_t w, uint32_t h); +void sdl2_gl_scanout_dmabuf(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf); +void sdl2_gl_release_dmabuf(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf); +bool sdl2_gl_has_dmabuf(DisplayChangeListener *dcl); =20 #endif /* SDL2_H */ diff --git a/ui/sdl2-gl.c b/ui/sdl2-gl.c index b1fe96d6af22..24aa9108682e 100644 --- a/ui/sdl2-gl.c +++ b/ui/sdl2-gl.c @@ -26,6 +26,7 @@ */ =20 #include "qemu/osdep.h" +#include "qemu/main-loop.h" #include "ui/console.h" #include "ui/input.h" #include "ui/sdl2.h" @@ -227,6 +228,44 @@ void sdl2_gl_scanout_texture(DisplayChangeListener *dc= l, backing_id, false); } =20 +void sdl2_gl_scanout_dmabuf(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf) +{ + struct sdl2_console *scon =3D container_of(dcl, struct sdl2_console, d= cl); + + assert(scon->opengl); + SDL_GL_MakeCurrent(scon->real_window, scon->winctx); + + egl_dmabuf_import_texture(dmabuf); + if (!qemu_dmabuf_get_texture(dmabuf)) { + fprintf(stderr, "sdl2_gl_scanout_dmabuf failed fd=3D%d\n", + qemu_dmabuf_get_fd(dmabuf)); + } + + sdl2_gl_scanout_texture(dcl, qemu_dmabuf_get_texture(dmabuf), false, + qemu_dmabuf_get_width(dmabuf), + qemu_dmabuf_get_height(dmabuf), + 0, 0, + qemu_dmabuf_get_width(dmabuf), + qemu_dmabuf_get_height(dmabuf), + NULL); + + if (qemu_dmabuf_get_allow_fences(dmabuf)) { + scon->guest_fb.dmabuf =3D dmabuf; + } +} + +void sdl2_gl_release_dmabuf(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf) +{ + egl_dmabuf_release_texture(dmabuf); +} + +bool sdl2_gl_has_dmabuf(DisplayChangeListener *dcl) +{ + return qemu_egl_has_dmabuf(); +} + void sdl2_gl_scanout_flush(DisplayChangeListener *dcl, uint32_t x, uint32_t y, uint32_t w, uint32_t h) { diff --git a/ui/sdl2.c b/ui/sdl2.c index bd4f5a9da14a..8c7b01c5e62f 100644 --- a/ui/sdl2.c +++ b/ui/sdl2.c @@ -120,6 +120,9 @@ void sdl2_window_create(struct sdl2_console *scon) /* The SDL renderer is only used by sdl2-2D, when OpenGL is disabl= ed */ scon->real_renderer =3D SDL_CreateRenderer(scon->real_window, -1, = 0); } + + qemu_egl_display =3D eglGetCurrentDisplay(); + sdl_update_caption(scon); } =20 @@ -820,6 +823,10 @@ static const DisplayChangeListenerOps dcl_gl_ops =3D { .dpy_gl_scanout_disable =3D sdl2_gl_scanout_disable, .dpy_gl_scanout_texture =3D sdl2_gl_scanout_texture, .dpy_gl_update =3D sdl2_gl_scanout_flush, + + .dpy_gl_scanout_dmabuf =3D sdl2_gl_scanout_dmabuf, + .dpy_gl_release_dmabuf =3D sdl2_gl_release_dmabuf, + .dpy_has_dmabuf =3D sdl2_gl_has_dmabuf, }; =20 static bool @@ -877,6 +884,7 @@ static void sdl2_display_init(DisplayState *ds, Display= Options *o) SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0"); #endif SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1"); + SDL_SetHint(SDL_HINT_VIDEO_X11_FORCE_EGL, "1"); SDL_EnableScreenSaver(); memset(&info, 0, sizeof(info)); SDL_VERSION(&info.version); --=20 2.46.0