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use scene_output for damage-tracked rendering

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This commit is contained in:
Devin J. Pohly 2021-09-05 22:35:07 -05:00
parent be6f573b4e
commit 0146a9954b
1 changed files with 10 additions and 43 deletions
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53
dwl.c
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@ -174,6 +174,7 @@ typedef struct {
struct Monitor {
struct wl_list link;
struct wlr_output *wlr_output;
struct wlr_scene_output *scene_output;
struct wl_listener frame;
struct wl_listener destroy;
struct wlr_box m; /* monitor area, layout-relative */
@ -862,20 +863,8 @@ createmon(struct wl_listener *listener, void *data)
* display, which Wayland clients can see to find out information about the
* output (such as DPI, scale factor, manufacturer, etc).
*/
wlr_output_layout_add(output_layout, wlr_output, r->x, r->y);
sgeom = *wlr_output_layout_get_box(output_layout, NULL);
/* When adding monitors, the geometries of all monitors must be updated */
wl_list_for_each(m, &mons, link) {
/* The first monitor in the list is the most recently added */
Client *c;
wl_list_for_each(c, &clients, link) {
if (c->isfloating)
resize(c, c->geom.x + m->w.width, c->geom.y,
c->geom.width, c->geom.height, 0);
}
return;
}
m->scene_output = wlr_scene_output_create(scene, wlr_output);
wlr_output_layout_add_auto(output_layout, wlr_output);
}
void
@ -1602,44 +1591,21 @@ quitsignal(int signo)
void
rendermon(struct wl_listener *listener, void *data)
{
Client *c;
int skip = 0;
/* This function is called every time an output is ready to display a frame,
* generally at the output's refresh rate (e.g. 60Hz). */
Monitor *m = wl_container_of(listener, m, frame);
Client *c;
int skip = 0;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
/* Skip rendering if any XDG clients have an outstanding resize. */
/* Render if no XDG clients have an outstanding resize. */
wl_list_for_each(c, &clients, link)
skip = skip || c->resize;
/* HACK: This loop is the simplest way to handle ephemeral pageflip
* failures but probably not the best. Revisit if damage tracking is
* added. */
do {
/* wlr_output_attach_render makes the OpenGL context current. */
if (!wlr_output_attach_render(m->wlr_output, NULL))
return;
if (!skip) {
/* Begin the renderer (calls glViewport and some other GL sanity checks) */
wlr_renderer_begin(drw, m->wlr_output->width, m->wlr_output->height);
wlr_renderer_clear(drw, rootcolor);
/* Render the scene at (-mx, -my) to get this monitor's view.
* wlroots will not render windows falling outside the box. */
wlr_scene_render_output(scene, m->wlr_output, -m->m.x, -m->m.y, NULL);
/* Conclude rendering and swap the buffers, showing the final frame
* on-screen. */
wlr_renderer_end(drw);
}
} while (!wlr_output_commit(m->wlr_output));
if (!skip && !wlr_scene_output_commit(m->scene_output))
return;
/* Let clients know a frame has been rendered */
clock_gettime(CLOCK_MONOTONIC, &now);
wl_list_for_each(c, &clients, link)
wlr_surface_send_frame_done(client_surface(c), &now);
}
@ -2186,6 +2152,7 @@ updatemons(struct wl_listener *listener, void *data)
/* Get the effective monitor geometry to use for surfaces */
m->m = m->w = *wlr_output_layout_get_box(output_layout, m->wlr_output);
wlr_scene_output_set_position(m->scene_output, m->m.x, m->m.y);
/* Calculate the effective monitor geometry to use for clients */
arrangelayers(m);
/* Don't move clients to the left output when plugging monitors */