You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
304 lines
9.5 KiB
304 lines
9.5 KiB
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <wlr/types/wlr_compositor.h>
|
|
#include <wlr/types/wlr_scene.h>
|
|
#include <wlr/types/wlr_fractional_scale_v1.h>
|
|
#include <wlr/types/wlr_presentation_time.h>
|
|
#include <wlr/util/transform.h>
|
|
#include "types/wlr_scene.h"
|
|
|
|
static void handle_scene_buffer_outputs_update(
|
|
struct wl_listener *listener, void *data) {
|
|
struct wlr_scene_surface *surface =
|
|
wl_container_of(listener, surface, outputs_update);
|
|
|
|
if (surface->buffer->primary_output == NULL) {
|
|
return;
|
|
}
|
|
double scale = surface->buffer->primary_output->output->scale;
|
|
wlr_fractional_scale_v1_notify_scale(surface->surface, scale);
|
|
wlr_surface_set_preferred_buffer_scale(surface->surface, ceil(scale));
|
|
}
|
|
|
|
static void handle_scene_buffer_output_enter(
|
|
struct wl_listener *listener, void *data) {
|
|
struct wlr_scene_surface *surface =
|
|
wl_container_of(listener, surface, output_enter);
|
|
struct wlr_scene_output *output = data;
|
|
|
|
wlr_surface_send_enter(surface->surface, output->output);
|
|
}
|
|
|
|
static void handle_scene_buffer_output_leave(
|
|
struct wl_listener *listener, void *data) {
|
|
struct wlr_scene_surface *surface =
|
|
wl_container_of(listener, surface, output_leave);
|
|
struct wlr_scene_output *output = data;
|
|
|
|
wlr_surface_send_leave(surface->surface, output->output);
|
|
}
|
|
|
|
static void handle_scene_buffer_output_sample(
|
|
struct wl_listener *listener, void *data) {
|
|
struct wlr_scene_surface *surface =
|
|
wl_container_of(listener, surface, output_sample);
|
|
const struct wlr_scene_output_sample_event *event = data;
|
|
struct wlr_scene_output *scene_output = event->output;
|
|
if (surface->buffer->primary_output != scene_output) {
|
|
return;
|
|
}
|
|
|
|
struct wlr_scene *root = scene_node_get_root(&surface->buffer->node);
|
|
if (!root->presentation) {
|
|
return;
|
|
}
|
|
|
|
if (event->direct_scanout) {
|
|
wlr_presentation_surface_scanned_out_on_output(
|
|
root->presentation, surface->surface, scene_output->output);
|
|
} else {
|
|
wlr_presentation_surface_textured_on_output(
|
|
root->presentation, surface->surface, scene_output->output);
|
|
}
|
|
}
|
|
|
|
static void handle_scene_buffer_frame_done(
|
|
struct wl_listener *listener, void *data) {
|
|
struct wlr_scene_surface *surface =
|
|
wl_container_of(listener, surface, frame_done);
|
|
struct timespec *now = data;
|
|
|
|
wlr_surface_send_frame_done(surface->surface, now);
|
|
}
|
|
|
|
static void scene_surface_handle_surface_destroy(
|
|
struct wl_listener *listener, void *data) {
|
|
struct wlr_scene_surface *surface =
|
|
wl_container_of(listener, surface, surface_destroy);
|
|
|
|
wlr_scene_node_destroy(&surface->buffer->node);
|
|
}
|
|
|
|
// This is used for wlr_scene where it unconditionally locks buffers preventing
|
|
// reuse of the existing texture for shm clients. With the usage pattern of
|
|
// wlr_scene surface handling, we can mark its locked buffer as safe
|
|
// for mutation.
|
|
static void client_buffer_mark_next_can_damage(struct wlr_client_buffer *buffer) {
|
|
buffer->n_ignore_locks++;
|
|
}
|
|
|
|
static void scene_buffer_unmark_client_buffer(struct wlr_scene_buffer *scene_buffer) {
|
|
if (!scene_buffer->buffer) {
|
|
return;
|
|
}
|
|
|
|
struct wlr_client_buffer *buffer = wlr_client_buffer_get(scene_buffer->buffer);
|
|
if (!buffer) {
|
|
return;
|
|
}
|
|
|
|
assert(buffer->n_ignore_locks > 0);
|
|
buffer->n_ignore_locks--;
|
|
}
|
|
|
|
static int min(int a, int b) {
|
|
return a < b ? a : b;
|
|
}
|
|
|
|
static void surface_reconfigure(struct wlr_scene_surface *scene_surface) {
|
|
struct wlr_scene_buffer *scene_buffer = scene_surface->buffer;
|
|
struct wlr_surface *surface = scene_surface->surface;
|
|
struct wlr_surface_state *state = &surface->current;
|
|
|
|
struct wlr_fbox src_box;
|
|
wlr_surface_get_buffer_source_box(surface, &src_box);
|
|
|
|
pixman_region32_t opaque;
|
|
pixman_region32_init(&opaque);
|
|
pixman_region32_copy(&opaque, &surface->opaque_region);
|
|
|
|
int width = state->width;
|
|
int height = state->height;
|
|
|
|
if (!wlr_box_empty(&scene_surface->clip)) {
|
|
struct wlr_box *clip = &scene_surface->clip;
|
|
|
|
int buffer_width = state->buffer_width;
|
|
int buffer_height = state->buffer_height;
|
|
width = min(clip->width, width - clip->x);
|
|
height = min(clip->height, height - clip->y);
|
|
|
|
wlr_fbox_transform(&src_box, &src_box, state->transform,
|
|
buffer_width, buffer_height);
|
|
|
|
if (state->transform & WL_OUTPUT_TRANSFORM_90) {
|
|
int tmp = buffer_width;
|
|
buffer_width = buffer_height;
|
|
buffer_height = tmp;
|
|
}
|
|
|
|
src_box.x += (double)(clip->x * buffer_width) / state->width;
|
|
src_box.y += (double)(clip->y * buffer_height) / state->height;
|
|
src_box.width *= (double)width / state->width;
|
|
src_box.height *= (double)height / state->height;
|
|
|
|
wlr_fbox_transform(&src_box, &src_box, wlr_output_transform_invert(state->transform),
|
|
buffer_width, buffer_height);
|
|
|
|
pixman_region32_translate(&opaque, -clip->x, -clip->y);
|
|
pixman_region32_intersect_rect(&opaque, &opaque, 0, 0, width, height);
|
|
}
|
|
|
|
if (width <= 0 || height <= 0) {
|
|
wlr_scene_buffer_set_buffer(scene_buffer, NULL);
|
|
pixman_region32_fini(&opaque);
|
|
return;
|
|
}
|
|
|
|
wlr_scene_buffer_set_opaque_region(scene_buffer, &opaque);
|
|
wlr_scene_buffer_set_source_box(scene_buffer, &src_box);
|
|
wlr_scene_buffer_set_dest_size(scene_buffer, width, height);
|
|
wlr_scene_buffer_set_transform(scene_buffer, state->transform);
|
|
|
|
scene_buffer_unmark_client_buffer(scene_buffer);
|
|
|
|
if (surface->buffer) {
|
|
client_buffer_mark_next_can_damage(surface->buffer);
|
|
|
|
wlr_scene_buffer_set_buffer_with_damage(scene_buffer,
|
|
&surface->buffer->base, &surface->buffer_damage);
|
|
} else {
|
|
wlr_scene_buffer_set_buffer(scene_buffer, NULL);
|
|
}
|
|
|
|
pixman_region32_fini(&opaque);
|
|
}
|
|
|
|
static void handle_scene_surface_surface_commit(
|
|
struct wl_listener *listener, void *data) {
|
|
struct wlr_scene_surface *surface =
|
|
wl_container_of(listener, surface, surface_commit);
|
|
struct wlr_scene_buffer *scene_buffer = surface->buffer;
|
|
|
|
surface_reconfigure(surface);
|
|
|
|
// If the surface has requested a frame done event, honour that. The
|
|
// frame_callback_list will be populated in this case. We should only
|
|
// schedule the frame however if the node is enabled and there is an
|
|
// output intersecting, otherwise the frame done events would never reach
|
|
// the surface anyway.
|
|
int lx, ly;
|
|
bool enabled = wlr_scene_node_coords(&scene_buffer->node, &lx, &ly);
|
|
|
|
if (!wl_list_empty(&surface->surface->current.frame_callback_list) &&
|
|
surface->buffer->primary_output != NULL && enabled) {
|
|
wlr_output_schedule_frame(surface->buffer->primary_output->output);
|
|
}
|
|
}
|
|
|
|
static bool scene_buffer_point_accepts_input(struct wlr_scene_buffer *scene_buffer,
|
|
double *sx, double *sy) {
|
|
struct wlr_scene_surface *scene_surface =
|
|
wlr_scene_surface_try_from_buffer(scene_buffer);
|
|
|
|
*sx += scene_surface->clip.x;
|
|
*sy += scene_surface->clip.y;
|
|
|
|
return wlr_surface_point_accepts_input(scene_surface->surface, *sx, *sy);
|
|
}
|
|
|
|
static void surface_addon_destroy(struct wlr_addon *addon) {
|
|
struct wlr_scene_surface *surface = wl_container_of(addon, surface, addon);
|
|
|
|
scene_buffer_unmark_client_buffer(surface->buffer);
|
|
|
|
wlr_addon_finish(&surface->addon);
|
|
|
|
wl_list_remove(&surface->outputs_update.link);
|
|
wl_list_remove(&surface->output_enter.link);
|
|
wl_list_remove(&surface->output_leave.link);
|
|
wl_list_remove(&surface->output_sample.link);
|
|
wl_list_remove(&surface->frame_done.link);
|
|
wl_list_remove(&surface->surface_destroy.link);
|
|
wl_list_remove(&surface->surface_commit.link);
|
|
|
|
free(surface);
|
|
}
|
|
|
|
static const struct wlr_addon_interface surface_addon_impl = {
|
|
.name = "wlr_scene_surface",
|
|
.destroy = surface_addon_destroy,
|
|
};
|
|
|
|
struct wlr_scene_surface *wlr_scene_surface_try_from_buffer(
|
|
struct wlr_scene_buffer *scene_buffer) {
|
|
struct wlr_addon *addon = wlr_addon_find(&scene_buffer->node.addons,
|
|
scene_buffer, &surface_addon_impl);
|
|
if (!addon) {
|
|
return NULL;
|
|
}
|
|
|
|
struct wlr_scene_surface *surface = wl_container_of(addon, surface, addon);
|
|
return surface;
|
|
}
|
|
|
|
struct wlr_scene_surface *wlr_scene_surface_create(struct wlr_scene_tree *parent,
|
|
struct wlr_surface *wlr_surface) {
|
|
struct wlr_scene_surface *surface = calloc(1, sizeof(*surface));
|
|
if (surface == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_create(parent, NULL);
|
|
if (!scene_buffer) {
|
|
free(surface);
|
|
return NULL;
|
|
}
|
|
|
|
surface->buffer = scene_buffer;
|
|
surface->surface = wlr_surface;
|
|
scene_buffer->point_accepts_input = scene_buffer_point_accepts_input;
|
|
|
|
surface->outputs_update.notify = handle_scene_buffer_outputs_update;
|
|
wl_signal_add(&scene_buffer->events.outputs_update, &surface->outputs_update);
|
|
|
|
surface->output_enter.notify = handle_scene_buffer_output_enter;
|
|
wl_signal_add(&scene_buffer->events.output_enter, &surface->output_enter);
|
|
|
|
surface->output_leave.notify = handle_scene_buffer_output_leave;
|
|
wl_signal_add(&scene_buffer->events.output_leave, &surface->output_leave);
|
|
|
|
surface->output_sample.notify = handle_scene_buffer_output_sample;
|
|
wl_signal_add(&scene_buffer->events.output_sample, &surface->output_sample);
|
|
|
|
surface->frame_done.notify = handle_scene_buffer_frame_done;
|
|
wl_signal_add(&scene_buffer->events.frame_done, &surface->frame_done);
|
|
|
|
surface->surface_destroy.notify = scene_surface_handle_surface_destroy;
|
|
wl_signal_add(&wlr_surface->events.destroy, &surface->surface_destroy);
|
|
|
|
surface->surface_commit.notify = handle_scene_surface_surface_commit;
|
|
wl_signal_add(&wlr_surface->events.commit, &surface->surface_commit);
|
|
|
|
wlr_addon_init(&surface->addon, &scene_buffer->node.addons,
|
|
scene_buffer, &surface_addon_impl);
|
|
|
|
surface_reconfigure(surface);
|
|
|
|
return surface;
|
|
}
|
|
|
|
void scene_surface_set_clip(struct wlr_scene_surface *surface, struct wlr_box *clip) {
|
|
if (wlr_box_equal(clip, &surface->clip)) {
|
|
return;
|
|
}
|
|
|
|
if (clip) {
|
|
surface->clip = *clip;
|
|
} else {
|
|
surface->clip = (struct wlr_box){0};
|
|
}
|
|
|
|
surface_reconfigure(surface);
|
|
}
|