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spice/gl: render DisplaySurface via opengl

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This switches over spice (in opengl mode) to render DisplaySurface
updates into a opengl texture, using the helper functions in
ui/console-gl.c.  With this patch applied spice (with gl=on) will
stop using qxl rendering ops, it will use dma-buf passing all the
time, i.e. for bios/bootloader (before virtio-gpu driver is loaded)
too.

This should improve performance even using spice (with gl=on) with
non-accelerated stdvga because we stop squeezing all display updates
through a unix/tcp socket and basically using a shared memory transport
instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1474617028-3979-3-git-send-email-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2016-09-23 09:50:28 +02:00
parent f607867cef
commit 4423184376
2 changed files with 88 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/ui/spice-display.h
View File

@ -119,7 +119,10 @@ struct SimpleSpiceDisplay {
/* opengl rendering */
QEMUBH *gl_unblock_bh;
QEMUTimer *gl_unblock_timer;
int dmabuf_fd;
ConsoleGLState *gls;
int gl_updates;
bool have_scanout;
bool have_surface;
#endif
};

92
ui/spice-display.c
View File

@ -850,6 +850,74 @@ static void qemu_spice_gl_block_timer(void *opaque)
fprintf(stderr, "WARNING: spice: no gl-draw-done within one second\n");
}
static void spice_gl_refresh(DisplayChangeListener *dcl)
{
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
uint64_t cookie;
if (!ssd->ds || qemu_console_is_gl_blocked(ssd->dcl.con)) {
return;
}
graphic_hw_update(dcl->con);
if (ssd->gl_updates && ssd->have_surface) {
qemu_spice_gl_block(ssd, true);
cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0);
spice_qxl_gl_draw_async(&ssd->qxl, 0, 0,
surface_width(ssd->ds),
surface_height(ssd->ds),
cookie);
ssd->gl_updates = 0;
}
}
static void spice_gl_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
surface_gl_update_texture(ssd->gls, ssd->ds, x, y, w, h);
ssd->gl_updates++;
}
static void spice_gl_switch(DisplayChangeListener *dcl,
struct DisplaySurface *new_surface)
{
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
EGLint stride, fourcc;
int fd;
if (ssd->ds) {
surface_gl_destroy_texture(ssd->gls, ssd->ds);
}
ssd->ds = new_surface;
if (ssd->ds) {
surface_gl_create_texture(ssd->gls, ssd->ds);
fd = egl_get_fd_for_texture(ssd->ds->texture,
&stride, &fourcc);
if (fd < 0) {
surface_gl_destroy_texture(ssd->gls, ssd->ds);
return;
}
dprint(1, "%s: %dx%d (stride %d/%d, fourcc 0x%x)\n", __func__,
surface_width(ssd->ds), surface_height(ssd->ds),
surface_stride(ssd->ds), stride, fourcc);
/* note: spice server will close the fd */
spice_qxl_gl_scanout(&ssd->qxl, fd,
surface_width(ssd->ds),
surface_height(ssd->ds),
stride, fourcc, false);
ssd->have_surface = true;
ssd->have_scanout = false;
qemu_spice_gl_monitor_config(ssd, 0, 0,
surface_width(ssd->ds),
surface_height(ssd->ds));
}
}
static QEMUGLContext qemu_spice_gl_create_context(DisplayChangeListener *dcl,
QEMUGLParams *params)
{
@ -887,6 +955,8 @@ static void qemu_spice_gl_scanout(DisplayChangeListener *dcl,
/* note: spice server will close the fd */
spice_qxl_gl_scanout(&ssd->qxl, fd, backing_width, backing_height,
stride, fourcc, y_0_top);
ssd->have_surface = false;
ssd->have_scanout = (tex_id != 0);
qemu_spice_gl_monitor_config(ssd, x, y, w, h);
}
@ -897,6 +967,10 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl,
SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
uint64_t cookie;
if (!ssd->have_scanout) {
return;
}
dprint(2, "%s: %dx%d+%d+%d\n", __func__, w, h, x, y);
qemu_spice_gl_block(ssd, true);
cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0);
@ -904,13 +978,13 @@ static void qemu_spice_gl_update(DisplayChangeListener *dcl,
}
static const DisplayChangeListenerOps display_listener_gl_ops = {
.dpy_name = "spice-egl",
.dpy_gfx_update = display_update,
.dpy_gfx_switch = display_switch,
.dpy_gfx_check_format = qemu_pixman_check_format,
.dpy_refresh = display_refresh,
.dpy_mouse_set = display_mouse_set,
.dpy_cursor_define = display_mouse_define,
.dpy_name = "spice-egl",
.dpy_gfx_update = spice_gl_update,
.dpy_gfx_switch = spice_gl_switch,
.dpy_gfx_check_format = console_gl_check_format,
.dpy_refresh = spice_gl_refresh,
.dpy_mouse_set = display_mouse_set,
.dpy_cursor_define = display_mouse_define,
.dpy_gl_ctx_create = qemu_spice_gl_create_context,
.dpy_gl_ctx_destroy = qemu_egl_destroy_context,
@ -933,10 +1007,12 @@ static void qemu_spice_display_init_one(QemuConsole *con)
#ifdef HAVE_SPICE_GL
if (display_opengl) {
ssd->dcl.ops = &display_listener_gl_ops;
ssd->dmabuf_fd = -1;
ssd->gl_unblock_bh = qemu_bh_new(qemu_spice_gl_unblock_bh, ssd);
ssd->gl_unblock_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
qemu_spice_gl_block_timer, ssd);
ssd->gls = console_gl_init_context();
ssd->have_surface = false;
ssd->have_scanout = false;
}
#endif
ssd->dcl.con = con;