[PATCH weston 4/4] compositor-drm: Use drm_fbs for the sprite code too
Kristian Høgsberg
hoegsberg at gmail.com
Fri Nov 9 09:02:54 PST 2012
On Fri, Nov 09, 2012 at 02:19:05PM +0200, Ander Conselvan de Oliveira wrote:
> This makes drm_fb_get_from_bo() use drmModeAddFB2() if possible so that
> drm_output_prepare_overlay_surface() can use this instead of keeping
> track of the fbs and buffers itself.
Yea, that looks very good. I removed an unused 'int ret;' in
vblank_handler(), otherwise applied as is. One nitpick, just for the
record: I'd call it have_addfb2 and initialize it to 1 and clear it if
addfb2 fails. That way we avoid the double negation in
if (format && !compositor->no_addfb2) {
which instead would read
if (format && compositor->have_addfb2) {
Anway, good work, thanks.
Kristian
> ---
> src/compositor-drm.c | 215 +++++++++++++++++++++-----------------------------
> 1 file changed, 88 insertions(+), 127 deletions(-)
>
> diff --git a/src/compositor-drm.c b/src/compositor-drm.c
> index 9c9d54a..5137249 100644
> --- a/src/compositor-drm.c
> +++ b/src/compositor-drm.c
> @@ -92,8 +92,9 @@ struct drm_compositor {
> * due to out of bounds dimensions, and then mistakenly set
> * sprites_are_broken:
> */
> - int32_t min_width, max_width;
> - int32_t min_height, max_height;
> + uint32_t min_width, max_width;
> + uint32_t min_height, max_height;
> + int no_addfb2;
>
> struct wl_list sprite_list;
> int sprites_are_broken;
> @@ -149,19 +150,12 @@ struct drm_output {
> struct drm_sprite {
> struct wl_list link;
>
> - uint32_t fb_id;
> - uint32_t pending_fb_id;
> - struct weston_surface *surface;
> - struct weston_surface *pending_surface;
> struct weston_plane plane;
>
> + struct drm_fb *current, *next;
> struct drm_output *output;
> -
> struct drm_compositor *compositor;
>
> - struct wl_listener destroy_listener;
> - struct wl_listener pending_destroy_listener;
> -
> uint32_t possible_crtcs;
> uint32_t plane_id;
> uint32_t count_formats;
> @@ -222,12 +216,11 @@ drm_fb_destroy_callback(struct gbm_bo *bo, void *data)
> }
>
> static struct drm_fb *
> -drm_fb_get_from_bo(struct gbm_bo *bo)
> +drm_fb_get_from_bo(struct gbm_bo *bo, struct drm_compositor *compositor)
> {
> struct drm_fb *fb = gbm_bo_get_user_data(bo);
> - struct drm_compositor *compositor =
> - (struct drm_compositor *) output->base.compositor;
> - uint32_t width, height, stride, handle;
> + uint32_t width, height, stride, handle, format;
> + uint32_t handles[4], pitches[4], offsets[4];
> int ret;
>
> if (fb)
> @@ -244,17 +237,48 @@ drm_fb_get_from_bo(struct gbm_bo *bo)
> stride = gbm_bo_get_stride(bo);
> handle = gbm_bo_get_handle(bo).u32;
>
> - ret = drmModeAddFB(compositor->drm.fd, width, height, 24, 32,
> - stride, handle, &fb->fb_id);
> + if (compositor->min_width > width || width > compositor->max_width ||
> + compositor->min_height > height ||
> + height > compositor->max_height) {
> + weston_log("bo geometry out of bounds\n");
> + goto err_free;
> + }
> +
> + ret = -1;
> +
> + format = gbm_bo_get_format(bo);
> +
> + if (format && !compositor->no_addfb2) {
> + handles[0] = handle;
> + pitches[0] = stride;
> + offsets[0] = 0;
> +
> + ret = drmModeAddFB2(compositor->drm.fd, width, height,
> + format, handles, pitches, offsets,
> + &fb->fb_id, 0);
> + if (ret) {
> + weston_log("addfb2 failed: %m\n");
> + compositor->no_addfb2 = 1;
> + compositor->sprites_are_broken = 1;
> + }
> + }
> +
> + if (ret)
> + ret = drmModeAddFB(compositor->drm.fd, width, height, 24, 32,
> + stride, handle, &fb->fb_id);
> +
> if (ret) {
> weston_log("failed to create kms fb: %m\n");
> - free(fb);
> - return NULL;
> + goto err_free;
> }
>
> gbm_bo_set_user_data(bo, fb, drm_fb_destroy_callback);
>
> return fb;
> +
> +err_free:
> + free(fb);
> + return NULL;
> }
>
> static void
> @@ -266,6 +290,20 @@ fb_handle_buffer_destroy(struct wl_listener *listener, void *data)
> fb->buffer = NULL;
> }
>
> +static void
> +drm_fb_set_buffer(struct drm_fb *fb, struct wl_buffer *buffer)
> +{
> + assert(fb->buffer == NULL);
> +
> + fb->is_client_buffer = 1;
> + fb->buffer = buffer;
> + fb->buffer->busy_count++;
> + fb->buffer_destroy_listener.notify = fb_handle_buffer_destroy;
> +
> + wl_signal_add(&fb->buffer->resource.destroy_signal,
> + &fb->buffer_destroy_listener);
> +}
> +
> static struct weston_plane *
> drm_output_prepare_scanout_surface(struct weston_output *_output,
> struct weston_surface *es)
> @@ -298,19 +336,13 @@ drm_output_prepare_scanout_surface(struct weston_output *_output,
> return NULL;
> }
>
> - output->next = drm_fb_get_from_bo(bo);
> + output->next = drm_fb_get_from_bo(bo, c);
> if (!output->next) {
> gbm_bo_destroy(bo);
> return NULL;
> }
>
> - output->next->is_client_buffer = 1;
> - output->next->buffer = es->buffer;
> - output->next->buffer->busy_count++;
> - output->next->buffer_destroy_listener.notify = fb_handle_buffer_destroy;
> -
> - wl_signal_add(&output->next->buffer->resource.destroy_signal,
> - &output->next->buffer_destroy_listener);
> + drm_fb_set_buffer(output->next, es->buffer);
>
> return &output->fb_plane;
> }
> @@ -318,10 +350,11 @@ drm_output_prepare_scanout_surface(struct weston_output *_output,
> static void
> drm_output_render(struct drm_output *output, pixman_region32_t *damage)
> {
> - struct weston_compositor *ec = output->base.compositor;
> + struct drm_compositor *c =
> + (struct drm_compositor *) output->base.compositor;
> struct gbm_bo *bo;
>
> - ec->renderer->repaint_output(&output->base, damage);
> + c->base.renderer->repaint_output(&output->base, damage);
>
> bo = gbm_surface_lock_front_buffer(output->surface);
> if (!bo) {
> @@ -329,7 +362,7 @@ drm_output_render(struct drm_output *output, pixman_region32_t *damage)
> return;
> }
>
> - output->next = drm_fb_get_from_bo(bo);
> + output->next = drm_fb_get_from_bo(bo, c);
> if (!output->next) {
> weston_log("failed to get drm_fb for bo\n");
> gbm_surface_release_buffer(output->surface, bo);
> @@ -380,21 +413,21 @@ drm_output_repaint(struct weston_output *output_base,
> * Now, update all the sprite surfaces
> */
> wl_list_for_each(s, &compositor->sprite_list, link) {
> - uint32_t flags = 0;
> + uint32_t flags = 0, fb_id = 0;
> drmVBlank vbl = {
> .request.type = DRM_VBLANK_RELATIVE | DRM_VBLANK_EVENT,
> .request.sequence = 1,
> };
>
> - if ((!s->fb_id && !s->pending_fb_id) ||
> + if ((!s->current && !s->next) ||
> !drm_sprite_crtc_supported(output_base, s->possible_crtcs))
> continue;
>
> + if (s->next && !compositor->sprites_hidden)
> + fb_id = s->next->fb_id;
> +
> ret = drmModeSetPlane(compositor->drm.fd, s->plane_id,
> - output->crtc_id,
> - compositor->sprites_hidden ?
> - 0 : s->pending_fb_id,
> - flags,
> + output->crtc_id, fb_id, flags,
> s->dest_x, s->dest_y,
> s->dest_w, s->dest_h,
> s->src_x, s->src_y,
> @@ -429,29 +462,17 @@ vblank_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec,
> void *data)
> {
> struct drm_sprite *s = (struct drm_sprite *)data;
> - struct drm_compositor *c = s->compositor;
> struct drm_output *output = s->output;
> uint32_t msecs;
> + int ret;
>
> output->vblank_pending = 0;
>
> - if (s->surface) {
> - weston_buffer_post_release(s->surface->buffer);
> - wl_list_remove(&s->destroy_listener.link);
> - s->surface = NULL;
> - drmModeRmFB(c->drm.fd, s->fb_id);
> - s->fb_id = 0;
> - }
> + if (s->current)
> + gbm_bo_destroy(s->current->bo);
>
> - if (s->pending_surface) {
> - wl_list_remove(&s->pending_destroy_listener.link);
> - wl_signal_add(&s->pending_surface->buffer->resource.destroy_signal,
> - &s->destroy_listener);
> - s->surface = s->pending_surface;
> - s->pending_surface = NULL;
> - s->fb_id = s->pending_fb_id;
> - s->pending_fb_id = 0;
> - }
> + s->current = s->next;
> + s->next = NULL;
>
> if (!output->page_flip_pending) {
> msecs = sec * 1000 + usec / 1000;
> @@ -536,16 +557,11 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
> struct drm_compositor *c =(struct drm_compositor *) ec;
> struct drm_sprite *s;
> int found = 0;
> - EGLint handle, stride;
> struct gbm_bo *bo;
> - uint32_t fb_id = 0;
> - uint32_t handles[4], pitches[4], offsets[4];
> - int ret = 0;
> pixman_region32_t dest_rect, src_rect;
> pixman_box32_t *box;
> uint32_t format;
> wl_fixed_t sx1, sy1, sx2, sy2;
> - int32_t width, height;
>
> if (c->sprites_are_broken)
> return NULL;
> @@ -566,7 +582,7 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
> if (!drm_sprite_crtc_supported(output_base, s->possible_crtcs))
> continue;
>
> - if (!s->pending_fb_id) {
> + if (!s->next) {
> found = 1;
> break;
> }
> @@ -576,49 +592,25 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
> if (!found)
> return NULL;
>
> - width = es->geometry.width;
> - height = es->geometry.height;
> -
> - /* If geometry is out of bounds, don't even bother trying because
> - * we know the AddFB2() call will fail:
> - */
> - if (c->min_width > width || width > c->max_width ||
> - c->min_height > height || height > c->max_height)
> - return NULL;
> -
> bo = gbm_bo_import(c->gbm, GBM_BO_IMPORT_WL_BUFFER,
> es->buffer, GBM_BO_USE_SCANOUT);
> if (!bo)
> return NULL;
>
> format = gbm_bo_get_format(bo);
> - handle = gbm_bo_get_handle(bo).s32;
> - stride = gbm_bo_get_stride(bo);
> -
> - gbm_bo_destroy(bo);
> -
> - if (!drm_surface_format_supported(s, format))
> - return NULL;
>
> - if (!handle)
> + if (!drm_surface_format_supported(s, format)) {
> + gbm_bo_destroy(bo);
> return NULL;
> + }
>
> - handles[0] = handle;
> - pitches[0] = stride;
> - offsets[0] = 0;
> -
> - ret = drmModeAddFB2(c->drm.fd, width, height,
> - format, handles, pitches, offsets,
> - &fb_id, 0);
> - if (ret) {
> - weston_log("addfb2 failed: %d\n", ret);
> - c->sprites_are_broken = 1;
> + s->next = drm_fb_get_from_bo(bo, c);
> + if (!s->next) {
> + gbm_bo_destroy(bo);
> return NULL;
> }
>
> - s->pending_fb_id = fb_id;
> - s->pending_surface = es;
> - es->buffer->busy_count++;
> + drm_fb_set_buffer(s->next, es->buffer);
>
> box = pixman_region32_extents(&es->transform.boundingbox);
> s->plane.x = box->x1;
> @@ -669,9 +661,6 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
> s->src_h = (sy2 - sy1) << 8;
> pixman_region32_fini(&src_rect);
>
> - wl_signal_add(&es->buffer->resource.destroy_signal,
> - &s->pending_destroy_listener);
> -
> return &s->plane;
> }
>
> @@ -1129,32 +1118,6 @@ drm_subpixel_to_wayland(int drm_value)
> }
> }
>
> -static void
> -sprite_handle_buffer_destroy(struct wl_listener *listener, void *data)
> -{
> - struct drm_sprite *sprite =
> - container_of(listener, struct drm_sprite,
> - destroy_listener);
> - struct drm_compositor *compositor = sprite->compositor;
> -
> - sprite->surface = NULL;
> - drmModeRmFB(compositor->drm.fd, sprite->fb_id);
> - sprite->fb_id = 0;
> -}
> -
> -static void
> -sprite_handle_pending_buffer_destroy(struct wl_listener *listener, void *data)
> -{
> - struct drm_sprite *sprite =
> - container_of(listener, struct drm_sprite,
> - pending_destroy_listener);
> - struct drm_compositor *compositor = sprite->compositor;
> -
> - sprite->pending_surface = NULL;
> - drmModeRmFB(compositor->drm.fd, sprite->pending_fb_id);
> - sprite->pending_fb_id = 0;
> -}
> -
> /* returns a value between 0-255 range, where higher is brighter */
> static uint32_t
> drm_get_backlight(struct drm_output *output)
> @@ -1534,13 +1497,8 @@ create_sprites(struct drm_compositor *ec)
>
> sprite->possible_crtcs = plane->possible_crtcs;
> sprite->plane_id = plane->plane_id;
> - sprite->surface = NULL;
> - sprite->pending_surface = NULL;
> - sprite->fb_id = 0;
> - sprite->pending_fb_id = 0;
> - sprite->destroy_listener.notify = sprite_handle_buffer_destroy;
> - sprite->pending_destroy_listener.notify =
> - sprite_handle_pending_buffer_destroy;
> + sprite->current = NULL;
> + sprite->next = NULL;
> sprite->compositor = ec;
> sprite->count_formats = plane->count_formats;
> memcpy(sprite->formats, plane->formats,
> @@ -1569,7 +1527,10 @@ destroy_sprites(struct drm_compositor *compositor)
> sprite->plane_id,
> output->crtc_id, 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 0);
> - drmModeRmFB(compositor->drm.fd, sprite->fb_id);
> + if (sprite->current)
> + gbm_bo_destroy(sprite->current->bo);
> + if (sprite->next)
> + gbm_bo_destroy(sprite->next->bo);
> weston_plane_release(&sprite->plane);
> free(sprite);
> }
> @@ -2025,8 +1986,8 @@ drm_destroy(struct weston_compositor *ec)
> eglTerminate(ec->egl_display);
> eglReleaseThread();
>
> - gbm_device_destroy(d->gbm);
> destroy_sprites(d);
> + gbm_device_destroy(d->gbm);
> if (weston_launcher_drm_set_master(&d->base, d->drm.fd, 0) < 0)
> weston_log("failed to drop master: %m\n");
> tty_destroy(d->tty);
> --
> 1.7.10.4
>
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