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xwayland: Add check_flip() glamor backend function

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This is preliminary work for hardware accelerated rendering with the
NVIDIA driver.

This exposes a new glamor backend function, check_flip, which can be
used to control whether flipping is supported for the given pixmap.

Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Acked-by: Olivier Fourdan <ofourdan@redhat.com>
Signed-off-by: Erik Kurzinger <ekurzinger@nvidia.com>
(cherry picked from commit bc99dd2127)
This commit is contained in:
Erik Kurzinger 2021-03-03 11:56:41 +01:00 committed by Olivier Fourdan
parent 15d3756814
commit f44b22b0c6
4 changed files with 25 additions and 0 deletions
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7
hw/xwayland/xwayland-glamor-eglstream.c
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@ -633,6 +633,12 @@ xwl_glamor_eglstream_post_damage(struct xwl_window *xwl_window,
pixmap->refcnt++;
}
static Bool
xwl_glamor_eglstream_check_flip(PixmapPtr pixmap)
{
return FALSE;
}
static void
xwl_eglstream_display_handle_caps(void *data,
struct wl_eglstream_display *disp,
@ -942,6 +948,7 @@ xwl_glamor_init_eglstream(struct xwl_screen *xwl_screen)
xwl_screen->eglstream_backend.get_wl_buffer_for_pixmap = xwl_glamor_eglstream_get_wl_buffer_for_pixmap;
xwl_screen->eglstream_backend.post_damage = xwl_glamor_eglstream_post_damage;
xwl_screen->eglstream_backend.allow_commits = xwl_glamor_eglstream_allow_commits;
xwl_screen->eglstream_backend.check_flip = xwl_glamor_eglstream_check_flip;
xwl_screen->eglstream_backend.is_available = TRUE;
xwl_screen->eglstream_backend.backend_flags = XWL_EGL_BACKEND_NO_FLAG;
}

1
hw/xwayland/xwayland-glamor-gbm.c
View File

@ -967,6 +967,7 @@ xwl_glamor_init_gbm(struct xwl_screen *xwl_screen)
xwl_screen->gbm_backend.init_egl = xwl_glamor_gbm_init_egl;
xwl_screen->gbm_backend.init_screen = xwl_glamor_gbm_init_screen;
xwl_screen->gbm_backend.get_wl_buffer_for_pixmap = xwl_glamor_gbm_get_wl_buffer_for_pixmap;
xwl_screen->gbm_backend.check_flip = NULL;
xwl_screen->gbm_backend.is_available = TRUE;
xwl_screen->gbm_backend.backend_flags = XWL_EGL_BACKEND_HAS_PRESENT_FLIP |
XWL_EGL_BACKEND_NEEDS_BUFFER_FLUSH |

11
hw/xwayland/xwayland-glamor.c
View File

@ -79,6 +79,17 @@ glamor_egl_screen_init(ScreenPtr screen, struct glamor_context *glamor_ctx)
xwl_screen->glamor_ctx = glamor_ctx;
}
Bool
xwl_glamor_check_flip(PixmapPtr pixmap)
{
struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
if (xwl_screen->egl_backend->check_flip)
return xwl_screen->egl_backend->check_flip(pixmap);
return TRUE;
}
Bool
xwl_glamor_is_modifier_supported(struct xwl_screen *xwl_screen,
uint32_t format, uint64_t modifier)

6
hw/xwayland/xwayland-glamor.h
View File

@ -92,6 +92,11 @@ struct xwl_egl_backend {
* callback is optional.
*/
Bool (*allow_commits)(struct xwl_window *xwl_window);
/* Called by Xwayland to check whether the given pixmap can be
* presented by xwl_present_flip. If not implemented, assumed TRUE.
*/
Bool (*check_flip)(PixmapPtr pixmap);
};
#ifdef XWL_HAS_GLAMOR
@ -127,6 +132,7 @@ Bool xwl_glamor_get_formats(ScreenPtr screen,
CARD32 *num_formats, CARD32 **formats);
Bool xwl_glamor_get_modifiers(ScreenPtr screen, uint32_t format,
uint32_t *num_modifiers, uint64_t **modifiers);
Bool xwl_glamor_check_flip(PixmapPtr pixmap);
#ifdef XV
/* glamor Xv Adaptor */