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compositor: Rename scanout surfaces

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Let's call the surface that's about to be pageflipped 'pending' and the
one we're currently showing 'scanout'.
This commit is contained in:
Kristian Høgsberg 2011-10-20 17:51:45 -04:00
parent f1621d2945
commit 191454e6c2
3 changed files with 42 additions and 42 deletions
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23
compositor/compositor-drm.c
View File

@ -71,8 +71,6 @@ struct drm_output {
struct gbm_bo *bo[2];
uint32_t current;
struct wlsc_surface *scanout_surface;
uint32_t fs_surf_fb_id;
uint32_t pending_fs_surf_fb_id;
};
@ -107,9 +105,8 @@ drm_output_present(struct wlsc_output *output_base)
output->current ^= 1;
if (output->scanout_surface != NULL) {
output->scanout_surface = NULL;
fb_id = output->fs_surf_fb_id;
if (output->pending_fs_surf_fb_id != 0) {
fb_id = output->pending_fs_surf_fb_id;
} else {
fb_id = output->fb_id[output->current ^ 1];
}
@ -130,14 +127,14 @@ page_flip_handler(int fd, unsigned int frame,
(struct drm_compositor *) output->base.compositor;
uint32_t msecs;
if (output->pending_fs_surf_fb_id) {
drmModeRmFB(c->drm.fd, output->pending_fs_surf_fb_id);
output->pending_fs_surf_fb_id = 0;
if (output->fs_surf_fb_id) {
drmModeRmFB(c->drm.fd, output->fs_surf_fb_id);
output->fs_surf_fb_id = 0;
}
if (output->fs_surf_fb_id) {
output->pending_fs_surf_fb_id = output->fs_surf_fb_id;
output->fs_surf_fb_id = 0;
if (output->pending_fs_surf_fb_id) {
output->fs_surf_fb_id = output->pending_fs_surf_fb_id;
output->pending_fs_surf_fb_id = 0;
}
msecs = sec * 1000 + usec / 1000;
@ -184,8 +181,7 @@ drm_output_prepare_scanout_surface(struct wlsc_output *output_base,
if (ret)
return -1;
output->fs_surf_fb_id = fb_id;
output->scanout_surface = es;
output->pending_fs_surf_fb_id = fb_id;
return 0;
}
@ -535,7 +531,6 @@ create_output_for_connector(struct drm_compositor *ec,
return -1;
}
output->scanout_surface = NULL;
output->base.prepare_render = drm_output_prepare_render;
output->base.present = drm_output_present;
output->base.prepare_scanout_surface =

57
compositor/compositor.c
View File

@ -228,17 +228,17 @@ output_handle_scanout_buffer_destroy(struct wl_listener *listener,
}
static void
output_handle_old_scanout_buffer_destroy(struct wl_listener *listener,
struct wl_resource *resource,
uint32_t time)
output_handle_pending_scanout_buffer_destroy(struct wl_listener *listener,
struct wl_resource *resource,
uint32_t time)
{
struct wlsc_output *output =
container_of(listener, struct wlsc_output,
old_scanout_buffer_destroy_listener);
pending_scanout_buffer_destroy_listener);
struct wl_buffer *buffer = (struct wl_buffer *) resource;
if (output->old_scanout_buffer == buffer)
output->old_scanout_buffer = NULL;
if (output->pending_scanout_buffer == buffer)
output->pending_scanout_buffer = NULL;
}
@ -859,23 +859,16 @@ setup_scanout_surface(struct wlsc_output *output, struct wlsc_surface *es)
{
if (es->visual != WLSC_RGB_VISUAL ||
output->prepare_scanout_surface(output, es) != 0)
return 0;
return -1;
output->old_scanout_buffer = output->scanout_buffer;
output->scanout_buffer = es->buffer;
output->scanout_buffer->busy_count++;
/* assert output->pending_scanout_buffer == NULL */
output->pending_scanout_buffer = es->buffer;
output->pending_scanout_buffer->busy_count++;
if (output->old_scanout_buffer) {
wl_list_remove(&output->old_scanout_buffer_destroy_listener.link);
wl_list_insert(output->old_scanout_buffer->resource.destroy_listener_list.prev,
&output->old_scanout_buffer_destroy_listener.link);
}
wl_list_insert(output->pending_scanout_buffer->resource.destroy_listener_list.prev,
&output->pending_scanout_buffer_destroy_listener.link);
wl_list_remove(&output->scanout_buffer_destroy_listener.link);
wl_list_insert(output->scanout_buffer->resource.destroy_listener_list.prev,
&output->scanout_buffer_destroy_listener.link);
return 1;
return 0;
}
static void
@ -920,7 +913,7 @@ wlsc_output_repaint(struct wlsc_output *output)
es = container_of(ec->surface_list.next, struct wlsc_surface, link);
if (setup_scanout_surface(output, es)) {
if (setup_scanout_surface(output, es) == 0) {
/* We're drawing nothing now,
* draw the damaged regions later. */
pixman_region32_union(&ec->damage, &ec->damage, &total_damage);
@ -990,8 +983,20 @@ idle_repaint(void *data)
WL_EXPORT void
wlsc_output_finish_frame(struct wlsc_output *output, int msecs)
{
wlsc_buffer_post_release(output->old_scanout_buffer);
output->old_scanout_buffer = NULL;
if (output->scanout_buffer) {
wlsc_buffer_post_release(output->scanout_buffer);
wl_list_remove(&output->scanout_buffer_destroy_listener.link);
output->scanout_buffer = NULL;
}
if (output->pending_scanout_buffer) {
output->scanout_buffer = output->pending_scanout_buffer;
wl_list_remove(&output->pending_scanout_buffer_destroy_listener.link);
wl_list_insert(output->scanout_buffer->resource.destroy_listener_list.prev,
&output->scanout_buffer_destroy_listener.link);
output->pending_scanout_buffer = NULL;
}
output->repaint_scheduled = 0;
if (output->repaint_needed)
@ -1943,9 +1948,9 @@ wlsc_output_init(struct wlsc_output *output, struct wlsc_compositor *c,
output_handle_scanout_buffer_destroy;
wl_list_init(&output->scanout_buffer_destroy_listener.link);
output->old_scanout_buffer_destroy_listener.func =
output_handle_old_scanout_buffer_destroy;
wl_list_init(&output->old_scanout_buffer_destroy_listener.link);
output->pending_scanout_buffer_destroy_listener.func =
output_handle_pending_scanout_buffer_destroy;
wl_list_init(&output->pending_scanout_buffer_destroy_listener.link);
wl_list_init(&output->frame_callback_list);

4
compositor/compositor.h
View File

@ -85,8 +85,8 @@ struct wlsc_output {
struct wl_list mode_list;
struct wl_buffer *scanout_buffer;
struct wl_listener scanout_buffer_destroy_listener;
struct wl_buffer *old_scanout_buffer;
struct wl_listener old_scanout_buffer_destroy_listener;
struct wl_buffer *pending_scanout_buffer;
struct wl_listener pending_scanout_buffer_destroy_listener;
int (*prepare_render)(struct wlsc_output *output);
int (*present)(struct wlsc_output *output);