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a="33482969" X-IronPort-AV: E=Sophos;i="6.08,253,1712646000"; d="scan'208";a="33482969" X-CSE-ConnectionGUID: +tFeFk7MTWW1ebk3G1pfXw== X-CSE-MsgGUID: NYwO/zOyRX6sH6cagwXI9A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,253,1712646000"; d="scan'208";a="42359633" From: dongwon.kim@intel.com To: qemu-devel@nongnu.org Subject: [RFC PATCH 4/4] ui/gtk-gl-draw: Start rendering of guest blob scanout if render_sync is off Date: Thu, 20 Jun 2024 16:17:27 -0700 Message-Id: <20240620231727.235841-5-dongwon.kim@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240620231727.235841-1-dongwon.kim@intel.com> References: <20240620231727.235841-1-dongwon.kim@intel.com> 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=192.198.163.8; envelope-from=dongwon.kim@intel.com; helo=mgamail.intel.com X-Spam_score_int: -45 X-Spam_score: -4.6 X-Spam_bar: ---- X-Spam_report: (-4.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.152, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, 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 @intel.com) X-ZM-MESSAGEID: 1718925580566100001 From: Dongwon Kim Draw (executing glBlitFramebuffer) immediately as soon as the frame is flushed instead of getting it done in the next draw event if render_sync flag is reset. With this, the fence will be signaled way ealier so the guest can be working on the next frame right away. Cc: Marc-Andr=C3=A9 Lureau Cc: Vivek Kasireddy Signed-off-by: Dongwon Kim --- ui/gtk-gl-area.c | 84 +++++++++++++++++++++++++++++++++--------------- 1 file changed, 58 insertions(+), 26 deletions(-) diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c index 0b11423824..88d4e66a52 100644 --- a/ui/gtk-gl-area.c +++ b/ui/gtk-gl-area.c @@ -65,39 +65,36 @@ void gd_gl_area_draw(VirtualConsole *vc) } else { qemu_dmabuf_set_draw_submitted(dmabuf, false); } - } -#endif =20 - glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.framebuffe= r); - /* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */ - - glViewport(0, 0, ww, wh); - y1 =3D vc->gfx.y0_top ? 0 : vc->gfx.h; - y2 =3D vc->gfx.y0_top ? vc->gfx.h : 0; - glBlitFramebuffer(0, y1, vc->gfx.w, y2, - 0, 0, ww, wh, - GL_COLOR_BUFFER_BIT, GL_NEAREST); -#ifdef CONFIG_GBM - if (dmabuf) { - int fence_fd; - fence_fd =3D egl_dmabuf_create_fence(dmabuf); - if (fence_fd >=3D 0) { - qemu_set_fd_handler(fence_fd, gd_hw_gl_flushed, NULL, vc); - return; + if (qemu_dmabuf_get_render_sync(dmabuf)) { + int fence_fd; + glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.fr= amebuffer); + /* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */ + + glViewport(0, 0, ww, wh); + y1 =3D vc->gfx.y0_top ? 0 : vc->gfx.h; + y2 =3D vc->gfx.y0_top ? vc->gfx.h : 0; + glBlitFramebuffer(0, y1, vc->gfx.w, y2, + 0, 0, ww, wh, + GL_COLOR_BUFFER_BIT, GL_NEAREST); + fence_fd =3D egl_dmabuf_create_fence(dmabuf); + if (fence_fd >=3D 0) { + qemu_set_fd_handler(fence_fd, gd_hw_gl_flushed, NULL, = vc); + } else { + graphic_hw_gl_block(vc->gfx.dcl.con, false); + } } - graphic_hw_gl_block(vc->gfx.dcl.con, false); } #endif - glFlush(); } else { if (!vc->gfx.ds) { return; } - gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); =20 surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh); surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds); } + glFlush(); } =20 void gd_gl_area_update(DisplayChangeListener *dcl, @@ -119,13 +116,19 @@ void gd_gl_area_refresh(DisplayChangeListener *dcl) { VirtualConsole *vc =3D container_of(dcl, VirtualConsole, gfx.dcl); =20 +#ifdef CONFIG_GBM + QemuDmaBuf *dmabuf =3D vc->gfx.guest_fb.dmabuf; +#endif + gd_update_monitor_refresh_rate(vc, vc->window ? vc->window : vc->gfx.d= rawing_area); =20 - if (vc->gfx.guest_fb.dmabuf && - qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) { +#ifdef CONFIG_GBM + if (dmabuf && qemu_dmabuf_get_draw_submitted(dmabuf) && + qemu_dmabuf_get_render_sync(dmabuf)) { gd_gl_area_draw(vc); return; } +#endif =20 if (!vc->gfx.gls) { if (!gtk_widget_get_realized(vc->gfx.drawing_area)) { @@ -282,13 +285,42 @@ void gd_gl_area_scanout_flush(DisplayChangeListener *= dcl, uint32_t x, uint32_t y, uint32_t w, uint32_t h) { VirtualConsole *vc =3D container_of(dcl, VirtualConsole, gfx.dcl); +#ifdef CONFIG_GBM + QemuDmaBuf *dmabuf =3D vc->gfx.guest_fb.dmabuf; + int ww, wh, ws, y1, y2; + + if (dmabuf && !qemu_dmabuf_get_draw_submitted(dmabuf)) { + gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area)); + ws =3D gdk_window_get_scale_factor(gtk_widget_get_window(vc->gfx.d= rawing_area)); + ww =3D gtk_widget_get_allocated_width(vc->gfx.drawing_area) * ws; + wh =3D gtk_widget_get_allocated_height(vc->gfx.drawing_area) * ws; =20 - if (vc->gfx.guest_fb.dmabuf && - !qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) { graphic_hw_gl_block(vc->gfx.dcl.con, true); - qemu_dmabuf_set_draw_submitted(vc->gfx.guest_fb.dmabuf, true); + qemu_dmabuf_set_draw_submitted(dmabuf, true); gtk_gl_area_set_scanout_mode(vc, true); + if (!qemu_dmabuf_get_render_sync(dmabuf)) { + int fence_fd; + glBindFramebuffer(GL_READ_FRAMEBUFFER, vc->gfx.guest_fb.frameb= uffer); + /* GtkGLArea sets GL_DRAW_FRAMEBUFFER for us */ + + glViewport(0, 0, ww, wh); + y1 =3D vc->gfx.y0_top ? 0 : vc->gfx.h; + y2 =3D vc->gfx.y0_top ? vc->gfx.h : 0; + glBlitFramebuffer(0, y1, vc->gfx.w, y2, + 0, 0, ww, wh, + GL_COLOR_BUFFER_BIT, GL_NEAREST); + + egl_dmabuf_create_fence(dmabuf); + fence_fd =3D qemu_dmabuf_get_fence_fd(dmabuf); + if (fence_fd >=3D 0) { + qemu_set_fd_handler(fence_fd, gd_hw_gl_flushed, NULL, vc); + } else { + graphic_hw_gl_block(vc->gfx.dcl.con, false); + } + } } +#endif + gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area)); } =20 --=20 2.34.1