[PATCH v20 04/10] compositor-drm: Return plane state from plane preparation
Pekka Paalanen
ppaalanen at gmail.com
Wed Jul 11 11:35:08 UTC 2018
On Wed, 11 Jul 2018 11:41:28 +0100
Daniel Stone <daniels at collabora.com> wrote:
> Return a pointer to the plane state, rather than returning its
> underlying weston_plane.
>
> Signed-off-by: Daniel Stone <daniels at collabora.com>
> ---
> libweston/compositor-drm.c | 63 +++++++++++++++++++-------------------
> 1 file changed, 31 insertions(+), 32 deletions(-)
Reviewed-by: Pekka Paalanen <pekka.paalanen at collabora.co.uk>
Oh, I've forgot to nitpick about commit messages. E.g. this one is
missing the "why". ;-)
Thanks,
pq
>
> diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
> index 56e7e5d1f..4bf18581b 100644
> --- a/libweston/compositor-drm.c
> +++ b/libweston/compositor-drm.c
> @@ -1944,7 +1944,7 @@ enum drm_output_propose_state_mode {
> DRM_OUTPUT_PROPOSE_STATE_RENDERER_ONLY, /**< only assign to renderer & cursor */
> };
>
> -static struct weston_plane *
> +static struct drm_plane_state *
> drm_output_prepare_scanout_view(struct drm_output_state *output_state,
> struct weston_view *ev)
> {
> @@ -2004,7 +2004,7 @@ drm_output_prepare_scanout_view(struct drm_output_state *output_state,
> state->dest_h != (unsigned) output->base.current_mode->height)
> goto err;
>
> - return &scanout_plane->base;
> + return state;
>
> err:
> drm_plane_state_put_back(state);
> @@ -2170,7 +2170,6 @@ drm_output_apply_state_legacy(struct drm_output_state *state)
> struct drm_property_info *dpms_prop;
> struct drm_plane_state *scanout_state;
> struct drm_plane_state *ps;
> - struct drm_plane *p;
> struct drm_mode *mode;
> struct drm_head *head;
> uint32_t connectors[MAX_CLONED_CONNECTORS];
> @@ -2197,7 +2196,7 @@ drm_output_apply_state_legacy(struct drm_output_state *state)
>
> if (state->dpms != WESTON_DPMS_ON) {
> wl_list_for_each(ps, &state->plane_list, link) {
> - p = ps->plane;
> + struct drm_plane *p = ps->plane;
> assert(ps->fb == NULL);
> assert(ps->output == NULL);
>
> @@ -2287,8 +2286,8 @@ drm_output_apply_state_legacy(struct drm_output_state *state)
> .request.type = DRM_VBLANK_RELATIVE | DRM_VBLANK_EVENT,
> .request.sequence = 1,
> };
> + struct drm_plane *p = ps->plane;
>
> - p = ps->plane;
> if (p->type != WDRM_PLANE_TYPE_OVERLAY)
> continue;
>
> @@ -3000,7 +2999,7 @@ atomic_flip_handler(int fd, unsigned int frame, unsigned int sec,
> }
> #endif
>
> -static struct weston_plane *
> +static struct drm_plane_state *
> drm_output_prepare_overlay_view(struct drm_output_state *output_state,
> struct weston_view *ev)
> {
> @@ -3071,7 +3070,7 @@ drm_output_prepare_overlay_view(struct drm_output_state *output_state,
> state->src_h != state->dest_h << 16)
> goto err;
>
> - return &p->base;
> + return state;
>
> err:
> drm_plane_state_put_back(state);
> @@ -3115,7 +3114,7 @@ cursor_bo_update(struct drm_plane_state *plane_state, struct weston_view *ev)
> weston_log("failed update cursor: %m\n");
> }
>
> -static struct weston_plane *
> +static struct drm_plane_state *
> drm_output_prepare_cursor_view(struct drm_output_state *output_state,
> struct weston_view *ev)
> {
> @@ -3201,7 +3200,7 @@ drm_output_prepare_cursor_view(struct drm_output_state *output_state,
> plane_state->dest_w = b->cursor_width;
> plane_state->dest_h = b->cursor_height;
>
> - return &plane->base;
> + return plane_state;
>
> err:
> drm_plane_state_put_back(plane_state);
> @@ -3271,7 +3270,6 @@ drm_output_propose_state(struct weston_output *output_base,
> struct drm_output_state *state;
> struct weston_view *ev;
> pixman_region32_t surface_overlap, renderer_region, occluded_region;
> - struct weston_plane *primary = &output_base->compositor->primary_plane;
> bool planes_ok = (mode != DRM_OUTPUT_PROPOSE_STATE_RENDERER_ONLY);
>
> assert(!output->state_last);
> @@ -3296,7 +3294,8 @@ drm_output_propose_state(struct weston_output *output_base,
> pixman_region32_init(&occluded_region);
>
> wl_list_for_each(ev, &output_base->compositor->view_list, link) {
> - struct weston_plane *next_plane = NULL;
> + struct drm_plane_state *ps = NULL;
> + bool force_renderer = false;
> pixman_region32_t clipped_view;
> bool occluded = false;
>
> @@ -3308,7 +3307,7 @@ drm_output_propose_state(struct weston_output *output_base,
> /* We only assign planes to views which are exclusively present
> * on our output. */
> if (ev->output_mask != (1u << output->base.id))
> - next_plane = primary;
> + force_renderer = true;
>
> /* Ignore views we know to be totally occluded. */
> pixman_region32_init(&clipped_view);
> @@ -3332,7 +3331,7 @@ drm_output_propose_state(struct weston_output *output_base,
> pixman_region32_intersect(&surface_overlap, &renderer_region,
> &clipped_view);
> if (pixman_region32_not_empty(&surface_overlap))
> - next_plane = primary;
> + force_renderer = true;
>
> /* We do not control the stacking order of overlay planes;
> * the scanout plane is strictly stacked bottom and the cursor
> @@ -3342,28 +3341,29 @@ drm_output_propose_state(struct weston_output *output_base,
> pixman_region32_intersect(&surface_overlap, &occluded_region,
> &clipped_view);
> if (pixman_region32_not_empty(&surface_overlap))
> - next_plane = primary;
> + force_renderer = true;
> pixman_region32_fini(&surface_overlap);
>
> /* The cursor plane is 'special' in the sense that we can still
> * place it in the legacy API, and we gate that with a separate
> * cursors_are_broken flag. */
> - if (next_plane == NULL && !b->cursors_are_broken)
> - next_plane = drm_output_prepare_cursor_view(state, ev);
> -
> - if (next_plane == NULL && !drm_view_is_opaque(ev))
> - next_plane = primary;
> -
> - if (next_plane == NULL && !planes_ok)
> - next_plane = primary;
> -
> - if (next_plane == NULL)
> - next_plane = drm_output_prepare_scanout_view(state, ev);
> -
> - if (next_plane == NULL)
> - next_plane = drm_output_prepare_overlay_view(state, ev);
> -
> - if (next_plane && next_plane != primary) {
> + if (!force_renderer && !b->cursors_are_broken)
> + ps = drm_output_prepare_cursor_view(state, ev);
> +
> + /* If sprites are disabled or the view is not fully opaque, we
> + * must put the view into the renderer - unless it has already
> + * been placed in the cursor plane, which can handle alpha. */
> + if (!ps && !planes_ok)
> + force_renderer = true;
> + if (!ps && !drm_view_is_opaque(ev))
> + force_renderer = true;
> +
> + if (!ps && !force_renderer)
> + ps = drm_output_prepare_scanout_view(state, ev);
> + if (!ps && !force_renderer)
> + ps = drm_output_prepare_overlay_view(state, ev);
> +
> + if (ps) {
> /* If we have been assigned to an overlay or scanout
> * plane, add this area to the occluded region, so
> * other views are known to be behind it. The cursor
> @@ -3371,8 +3371,7 @@ drm_output_propose_state(struct weston_output *output_base,
> * the content underneath it: the area should neither
> * be added to the renderer region nor the occluded
> * region. */
> - if (!output->cursor_plane ||
> - next_plane != &output->cursor_plane->base) {
> + if (ps->plane->type != WDRM_PLANE_TYPE_CURSOR) {
> pixman_region32_union(&occluded_region,
> &occluded_region,
> &clipped_view);
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