[PATCH 2/3] renderer: introduce destroy callback

John Kåre Alsaker john.kare.alsaker at gmail.com
Tue Jan 8 10:36:26 PST 2013


I'd like to see this callback in a buffer manager abstraction which
could encapsulate EGL and X11/fb/kms buffer management and get rid of
duplicated code for the renderers. However if it's added to
weston_renderer, it should be destroyed by the compositor and not by
the backends.

On Tue, Jan 8, 2013 at 5:09 PM, Vasily Khoruzhick <anarsoul at gmail.com> wrote:
> Signed-off-by: Vasily Khoruzhick <anarsoul at gmail.com>
> ---
>  src/compositor-android.c  |  6 +++---
>  src/compositor-drm.c      |  4 ++--
>  src/compositor-headless.c |  2 +-
>  src/compositor-rpi.c      |  4 ++--
>  src/compositor-wayland.c  |  4 ++--
>  src/compositor-x11.c      | 10 ++--------
>  src/compositor.h          |  3 +--
>  src/gl-renderer.c         |  3 ++-
>  src/gl-renderer.h         |  2 --
>  src/noop-renderer.c       |  3 ++-
>  src/pixman-renderer.c     |  3 ++-
>  src/pixman-renderer.h     |  3 ---
>  12 files changed, 19 insertions(+), 28 deletions(-)
>
> diff --git a/src/compositor-android.c b/src/compositor-android.c
> index 5e27071..4e4ff08 100644
> --- a/src/compositor-android.c
> +++ b/src/compositor-android.c
> @@ -299,7 +299,7 @@ android_init_egl(struct android_compositor *compositor,
>
>         if (gl_renderer_output_create(&output->base,
>                         output->fb->native_window) < 0) {
> -               gl_renderer_destroy(&compositor->base);
> +               compositor->base.renderer->destroy(&compositor->base);
>                 return -1;
>         }
>
> @@ -313,7 +313,7 @@ android_compositor_destroy(struct weston_compositor *base)
>
>         android_seat_destroy(compositor->seat);
>
> -       gl_renderer_destroy(base);
> +       base->renderer->destroy(base);
>
>         /* destroys outputs, too */
>         weston_compositor_shutdown(&compositor->base);
> @@ -358,7 +358,7 @@ android_compositor_create(struct wl_display *display, int argc, char *argv[],
>         return &compositor->base;
>
>  err_gl:
> -       gl_renderer_destroy(&compositor->base);
> +       compositor->base.renderer->destroy(&compositor->base);
>  err_output:
>         android_output_destroy(&output->base);
>  err_compositor:
> diff --git a/src/compositor-drm.c b/src/compositor-drm.c
> index cc72c74..1c17bfd 100644
> --- a/src/compositor-drm.c
> +++ b/src/compositor-drm.c
> @@ -2007,7 +2007,7 @@ drm_destroy(struct weston_compositor *ec)
>
>         weston_compositor_shutdown(ec);
>
> -       gl_renderer_destroy(ec);
> +       ec->renderer->destroy(ec);
>
>         destroy_sprites(d);
>         gbm_device_destroy(d->gbm);
> @@ -2307,7 +2307,7 @@ err_drm_source:
>         wl_list_for_each_safe(weston_seat, next, &ec->base.seat_list, link)
>                 evdev_input_destroy(weston_seat);
>  err_sprite:
> -       gl_renderer_destroy(&ec->base);
> +       ec->base.renderer->destroy(&ec->base);
>         gbm_device_destroy(ec->gbm);
>         destroy_sprites(ec);
>  err_udev_dev:
> diff --git a/src/compositor-headless.c b/src/compositor-headless.c
> index d23ee0a..03bd0a4 100644
> --- a/src/compositor-headless.c
> +++ b/src/compositor-headless.c
> @@ -141,7 +141,7 @@ headless_destroy(struct weston_compositor *ec)
>  {
>         struct headless_compositor *c = (struct headless_compositor *) ec;
>
> -       noop_renderer_destroy(ec);
> +       ec->renderer->destroy(ec);
>
>         weston_seat_release(&c->fake_seat);
>         weston_compositor_shutdown(ec);
> diff --git a/src/compositor-rpi.c b/src/compositor-rpi.c
> index f169d3b..208271f 100644
> --- a/src/compositor-rpi.c
> +++ b/src/compositor-rpi.c
> @@ -1347,7 +1347,7 @@ rpi_compositor_destroy(struct weston_compositor *base)
>         /* destroys outputs, too */
>         weston_compositor_shutdown(&compositor->base);
>
> -       gl_renderer_destroy(&compositor->base);
> +       compositor->base.renderer->destroy(&compositor->base);
>         tty_destroy(compositor->tty);
>
>         bcm_host_deinit();
> @@ -1501,7 +1501,7 @@ rpi_compositor_create(struct wl_display *display, int argc, char *argv[],
>         return &compositor->base;
>
>  out_gl:
> -       gl_renderer_destroy(&compositor->base);
> +       compositor->base.renderer->destroy(&compositor->base);
>
>  out_tty:
>         tty_destroy(compositor->tty);
> diff --git a/src/compositor-wayland.c b/src/compositor-wayland.c
> index 167fce6..0a3df03 100644
> --- a/src/compositor-wayland.c
> +++ b/src/compositor-wayland.c
> @@ -612,7 +612,7 @@ wayland_restore(struct weston_compositor *ec)
>  static void
>  wayland_destroy(struct weston_compositor *ec)
>  {
> -       gl_renderer_destroy(ec);
> +       ec->renderer->destroy(ec);
>
>         weston_compositor_shutdown(ec);
>
> @@ -686,7 +686,7 @@ wayland_compositor_create(struct wl_display *display,
>         return &c->base;
>
>  err_gl:
> -       gl_renderer_destroy(&c->base);
> +       c->base.renderer->destroy(&c->base);
>  err_display:
>         wl_display_disconnect(c->parent.wl_display);
>  err_compositor:
> diff --git a/src/compositor-x11.c b/src/compositor-x11.c
> index a5fc9ef..c5c4248 100644
> --- a/src/compositor-x11.c
> +++ b/src/compositor-x11.c
> @@ -1419,10 +1419,7 @@ x11_destroy(struct weston_compositor *ec)
>
>         weston_compositor_shutdown(ec); /* destroys outputs, too */
>
> -       if (compositor->use_pixman)
> -               pixman_renderer_destroy(ec);
> -       else
> -               gl_renderer_destroy(ec);
> +       ec->renderer->destroy(ec);
>
>         XCloseDisplay(compositor->dpy);
>         free(ec);
> @@ -1532,10 +1529,7 @@ x11_compositor_create(struct wl_display *display,
>  err_x11_input:
>         x11_input_destroy(c);
>  err_renderer:
> -       if (c->use_pixman)
> -               pixman_renderer_destroy(&c->base);
> -       else
> -               gl_renderer_destroy(&c->base);
> +       c->base.renderer->destroy(&c->base);
>  err_xdisplay:
>         XCloseDisplay(c->dpy);
>  err_free:
> diff --git a/src/compositor.h b/src/compositor.h
> index 15d6939..544cf33 100644
> --- a/src/compositor.h
> +++ b/src/compositor.h
> @@ -273,6 +273,7 @@ struct weston_renderer {
>                                float red, float green,
>                                float blue, float alpha);
>         void (*destroy_surface)(struct weston_surface *surface);
> +       void (*destroy)(struct weston_compositor *ec);
>  };
>
>  struct weston_compositor {
> @@ -821,8 +822,6 @@ weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode
>
>  int
>  noop_renderer_init(struct weston_compositor *ec);
> -void
> -noop_renderer_destroy(struct weston_compositor *ec);
>
>  struct weston_compositor *
>  backend_init(struct wl_display *display, int argc, char *argv[],
> diff --git a/src/gl-renderer.c b/src/gl-renderer.c
> index 8da111e..ee2763a 100644
> --- a/src/gl-renderer.c
> +++ b/src/gl-renderer.c
> @@ -1648,7 +1648,7 @@ gl_renderer_output_surface(struct weston_output *output)
>         return get_output_state(output)->egl_surface;
>  }
>
> -WL_EXPORT void
> +static void
>  gl_renderer_destroy(struct weston_compositor *ec)
>  {
>         struct gl_renderer *gr = get_renderer(ec);
> @@ -1748,6 +1748,7 @@ gl_renderer_create(struct weston_compositor *ec, EGLNativeDisplayType display,
>         gr->base.create_surface = gl_renderer_create_surface;
>         gr->base.surface_set_color = gl_renderer_surface_set_color;
>         gr->base.destroy_surface = gl_renderer_destroy_surface;
> +       gr->base.destroy = gl_renderer_destroy;
>
>         gr->egl_display = eglGetDisplay(display);
>         if (gr->egl_display == EGL_NO_DISPLAY) {
> diff --git a/src/gl-renderer.h b/src/gl-renderer.h
> index 09c58c5..1186348 100644
> --- a/src/gl-renderer.h
> +++ b/src/gl-renderer.h
> @@ -42,8 +42,6 @@ gl_renderer_output_surface(struct weston_output *output);
>  void
>  gl_renderer_set_border(struct weston_compositor *ec, int32_t width, int32_t height, void *data,
>                           int32_t *edges);
> -void
> -gl_renderer_destroy(struct weston_compositor *ec);
>
>  void
>  gl_renderer_print_egl_error_state(void);
> diff --git a/src/noop-renderer.c b/src/noop-renderer.c
> index 24660ec..a0b1679 100644
> --- a/src/noop-renderer.c
> +++ b/src/noop-renderer.c
> @@ -68,7 +68,7 @@ noop_renderer_destroy_surface(struct weston_surface *surface)
>  {
>  }
>
> -WL_EXPORT void
> +static void
>  noop_renderer_destroy(struct weston_compositor *ec)
>  {
>         free(ec->renderer);
> @@ -91,6 +91,7 @@ noop_renderer_init(struct weston_compositor *ec)
>         renderer->create_surface = noop_renderer_create_surface;
>         renderer->surface_set_color = noop_renderer_surface_set_color;
>         renderer->destroy_surface = noop_renderer_destroy_surface;
> +       renderer->destroy = noop_renderer_destroy;
>         ec->renderer = renderer;
>
>         return 0;
> diff --git a/src/pixman-renderer.c b/src/pixman-renderer.c
> index 1747408..6c62965 100644
> --- a/src/pixman-renderer.c
> +++ b/src/pixman-renderer.c
> @@ -312,7 +312,7 @@ pixman_renderer_destroy_surface(struct weston_surface *surface)
>         free(ps);
>  }
>
> -WL_EXPORT void
> +static void
>  pixman_renderer_destroy(struct weston_compositor *ec)
>  {
>         free(ec->renderer);
> @@ -335,6 +335,7 @@ pixman_renderer_init(struct weston_compositor *ec)
>         renderer->create_surface = pixman_renderer_create_surface;
>         renderer->surface_set_color = pixman_renderer_surface_set_color;
>         renderer->destroy_surface = pixman_renderer_destroy_surface;
> +       renderer->destroy = pixman_renderer_destroy;
>         ec->renderer = renderer;
>
>         return 0;
> diff --git a/src/pixman-renderer.h b/src/pixman-renderer.h
> index 9920999..77761ba 100644
> --- a/src/pixman-renderer.h
> +++ b/src/pixman-renderer.h
> @@ -22,9 +22,6 @@
>
>  #include  "compositor.h"
>
> -void
> -pixman_renderer_destroy(struct weston_compositor *ec);
> -
>  int
>  pixman_renderer_init(struct weston_compositor *ec);
>
> --
> 1.8.1
>
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