From 3cddb8b9e0b58eea04e6eb908fc6a12d5af3d3cb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Thu, 4 Feb 2021 14:52:30 +0400 Subject: display/ui: add a callback to indicate GL state is flushed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Displaying rendered resources requires blocking qemu GPU to avoid extra framebuffer copies. For an external display, via Spice currently, there is a callback to block/unblock the rendering in the same thread. But with the vhost-user-gpu backend, the qemu process doesn't handle the rendering itself, and the blocking callback isn't effective. Instead, the backend must be notified when the display code is done. Fix this by adding a new GraphicHwOps callback to indicate the GL state is flushed, and we are done manipulating the shared GL resources. Call it from gtk and spice display. Signed-off-by: Marc-André Lureau Message-Id: <20210204105232.834642-19-marcandre.lureau@redhat.com> Signed-off-by: Gerd Hoffmann --- include/ui/console.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/ui') diff --git a/include/ui/console.h b/include/ui/console.h index 875885d..d30e972 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -387,6 +387,7 @@ typedef struct GraphicHwOps { void (*update_interval)(void *opaque, uint64_t interval); int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info); void (*gl_block)(void *opaque, bool block); + void (*gl_flushed)(void *opaque); } GraphicHwOps; QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, @@ -402,6 +403,7 @@ void graphic_hw_update_done(QemuConsole *con); void graphic_hw_invalidate(QemuConsole *con); void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata); void graphic_hw_gl_block(QemuConsole *con, bool block); +void graphic_hw_gl_flushed(QemuConsole *con); void qemu_console_early_init(void); -- cgit v1.1