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-rw-r--r--rootston/output.c688
1 files changed, 0 insertions, 688 deletions
diff --git a/rootston/output.c b/rootston/output.c
deleted file mode 100644
index 66a43694..00000000
--- a/rootston/output.c
+++ /dev/null
@@ -1,688 +0,0 @@
-#define _POSIX_C_SOURCE 200809L
-#include <assert.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <time.h>
-#include <wlr/backend/drm.h>
-#include <wlr/config.h>
-#include <wlr/types/wlr_compositor.h>
-#include <wlr/types/wlr_output_layout.h>
-#include <wlr/types/wlr_presentation_time.h>
-#include <wlr/types/wlr_xdg_shell_v6.h>
-#include <wlr/types/wlr_xdg_shell.h>
-#include <wlr/util/log.h>
-#include <wlr/util/region.h>
-#include "rootston/config.h"
-#include "rootston/layers.h"
-#include "rootston/output.h"
-#include "rootston/server.h"
-
-/**
- * Rotate a child's position relative to a parent. The parent size is (pw, ph),
- * the child position is (*sx, *sy) and its size is (sw, sh).
- */
-void rotate_child_position(double *sx, double *sy, double sw, double sh,
- double pw, double ph, float rotation) {
- if (rotation == 0.0) {
- return;
- }
-
- // Coordinates relative to the center of the subsurface
- double cx = *sx - pw/2 + sw/2,
- cy = *sy - ph/2 + sh/2;
- // Rotated coordinates
- double rx = cos(rotation)*cx - sin(rotation)*cy,
- ry = cos(rotation)*cy + sin(rotation)*cx;
- *sx = rx + pw/2 - sw/2;
- *sy = ry + ph/2 - sh/2;
-}
-
-struct surface_iterator_data {
- roots_surface_iterator_func_t user_iterator;
- void *user_data;
-
- struct roots_output *output;
- double ox, oy;
- int width, height;
- float rotation;
-};
-
-static bool get_surface_box(struct surface_iterator_data *data,
- struct wlr_surface *surface, int sx, int sy,
- struct wlr_box *surface_box) {
- struct roots_output *output = data->output;
-
- if (!wlr_surface_has_buffer(surface)) {
- return false;
- }
-
- int sw = surface->current.width;
- int sh = surface->current.height;
-
- double _sx = sx + surface->sx;
- double _sy = sy + surface->sy;
- rotate_child_position(&_sx, &_sy, sw, sh, data->width, data->height,
- data->rotation);
-
- struct wlr_box box = {
- .x = data->ox + _sx,
- .y = data->oy + _sy,
- .width = sw,
- .height = sh,
- };
- if (surface_box != NULL) {
- *surface_box = box;
- }
-
- struct wlr_box rotated_box;
- wlr_box_rotated_bounds(&rotated_box, &box, data->rotation);
-
- struct wlr_box output_box = {0};
- wlr_output_effective_resolution(output->wlr_output,
- &output_box.width, &output_box.height);
-
- struct wlr_box intersection;
- return wlr_box_intersection(&intersection, &output_box, &rotated_box);
-}
-
-static void output_for_each_surface_iterator(struct wlr_surface *surface,
- int sx, int sy, void *_data) {
- struct surface_iterator_data *data = _data;
-
- struct wlr_box box;
- bool intersects = get_surface_box(data, surface, sx, sy, &box);
- if (!intersects) {
- return;
- }
-
- data->user_iterator(data->output, surface, &box, data->rotation,
- data->user_data);
-}
-
-void output_surface_for_each_surface(struct roots_output *output,
- struct wlr_surface *surface, double ox, double oy,
- roots_surface_iterator_func_t iterator, void *user_data) {
- struct surface_iterator_data data = {
- .user_iterator = iterator,
- .user_data = user_data,
- .output = output,
- .ox = ox,
- .oy = oy,
- .width = surface->current.width,
- .height = surface->current.height,
- .rotation = 0,
- };
-
- wlr_surface_for_each_surface(surface,
- output_for_each_surface_iterator, &data);
-}
-
-void output_view_for_each_surface(struct roots_output *output,
- struct roots_view *view, roots_surface_iterator_func_t iterator,
- void *user_data) {
- struct wlr_box *output_box =
- wlr_output_layout_get_box(output->desktop->layout, output->wlr_output);
- if (!output_box) {
- return;
- }
-
- struct surface_iterator_data data = {
- .user_iterator = iterator,
- .user_data = user_data,
- .output = output,
- .ox = view->box.x - output_box->x,
- .oy = view->box.y - output_box->y,
- .width = view->box.width,
- .height = view->box.height,
- .rotation = view->rotation,
- };
-
- view_for_each_surface(view, output_for_each_surface_iterator, &data);
-}
-
-#if WLR_HAS_XWAYLAND
-void output_xwayland_children_for_each_surface(
- struct roots_output *output, struct wlr_xwayland_surface *surface,
- roots_surface_iterator_func_t iterator, void *user_data) {
- struct wlr_box *output_box =
- wlr_output_layout_get_box(output->desktop->layout, output->wlr_output);
- if (!output_box) {
- return;
- }
-
- struct wlr_xwayland_surface *child;
- wl_list_for_each(child, &surface->children, parent_link) {
- if (child->mapped) {
- double ox = child->x - output_box->x;
- double oy = child->y - output_box->y;
- output_surface_for_each_surface(output, child->surface,
- ox, oy, iterator, user_data);
- }
- output_xwayland_children_for_each_surface(output, child,
- iterator, user_data);
- }
-}
-#endif
-
-void output_layer_for_each_surface(struct roots_output *output,
- struct wl_list *layer_surfaces, roots_surface_iterator_func_t iterator,
- void *user_data) {
- struct roots_layer_surface *layer_surface;
- wl_list_for_each(layer_surface, layer_surfaces, link) {
- struct wlr_layer_surface_v1 *wlr_layer_surface_v1 =
- layer_surface->layer_surface;
- output_surface_for_each_surface(output, wlr_layer_surface_v1->surface,
- layer_surface->geo.x, layer_surface->geo.y, iterator,
- user_data);
-
- struct wlr_xdg_popup *state;
- wl_list_for_each(state, &wlr_layer_surface_v1->popups, link) {
- struct wlr_xdg_surface *popup = state->base;
- if (!popup->configured) {
- continue;
- }
-
- double popup_sx, popup_sy;
- popup_sx = layer_surface->geo.x;
- popup_sx += popup->popup->geometry.x - popup->geometry.x;
- popup_sy = layer_surface->geo.y;
- popup_sy += popup->popup->geometry.y - popup->geometry.y;
-
- output_surface_for_each_surface(output, popup->surface,
- popup_sx, popup_sy, iterator, user_data);
- }
- }
-}
-
-void output_drag_icons_for_each_surface(struct roots_output *output,
- struct roots_input *input, roots_surface_iterator_func_t iterator,
- void *user_data) {
- struct wlr_box *output_box =
- wlr_output_layout_get_box(output->desktop->layout, output->wlr_output);
- if (!output_box) {
- return;
- }
-
- struct roots_seat *seat;
- wl_list_for_each(seat, &input->seats, link) {
- struct roots_drag_icon *drag_icon = seat->drag_icon;
- if (!drag_icon || !drag_icon->wlr_drag_icon->mapped) {
- continue;
- }
-
- double ox = drag_icon->x - output_box->x;
- double oy = drag_icon->y - output_box->y;
- output_surface_for_each_surface(output,
- drag_icon->wlr_drag_icon->surface, ox, oy, iterator, user_data);
- }
-}
-
-void output_for_each_surface(struct roots_output *output,
- roots_surface_iterator_func_t iterator, void *user_data) {
- struct roots_desktop *desktop = output->desktop;
-
- if (output->fullscreen_view != NULL) {
- struct roots_view *view = output->fullscreen_view;
-
- output_view_for_each_surface(output, view, iterator, user_data);
-
-#if WLR_HAS_XWAYLAND
- if (view->type == ROOTS_XWAYLAND_VIEW) {
- struct roots_xwayland_surface *xwayland_surface =
- roots_xwayland_surface_from_view(view);
- output_xwayland_children_for_each_surface(output,
- xwayland_surface->xwayland_surface, iterator, user_data);
- }
-#endif
- } else {
- struct roots_view *view;
- wl_list_for_each_reverse(view, &desktop->views, link) {
- output_view_for_each_surface(output, view, iterator, user_data);
- }
- }
-
- output_drag_icons_for_each_surface(output, desktop->server->input,
- iterator, user_data);
-
- size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
- for (size_t i = 0; i < len; ++i) {
- output_layer_for_each_surface(output, &output->layers[i],
- iterator, user_data);
- }
-}
-
-static int scale_length(int length, int offset, float scale) {
- return round((offset + length) * scale) - round(offset * scale);
-}
-
-void scale_box(struct wlr_box *box, float scale) {
- box->width = scale_length(box->width, box->x, scale);
- box->height = scale_length(box->height, box->y, scale);
- box->x = round(box->x * scale);
- box->y = round(box->y * scale);
-}
-
-void get_decoration_box(struct roots_view *view,
- struct roots_output *output, struct wlr_box *box) {
- struct wlr_output *wlr_output = output->wlr_output;
-
- struct wlr_box deco_box;
- view_get_deco_box(view, &deco_box);
- double sx = deco_box.x - view->box.x;
- double sy = deco_box.y - view->box.y;
- rotate_child_position(&sx, &sy, deco_box.width, deco_box.height,
- view->wlr_surface->current.width,
- view->wlr_surface->current.height, view->rotation);
- double x = sx + view->box.x;
- double y = sy + view->box.y;
-
- wlr_output_layout_output_coords(output->desktop->layout, wlr_output, &x, &y);
-
- box->x = x * wlr_output->scale;
- box->y = y * wlr_output->scale;
- box->width = deco_box.width * wlr_output->scale;
- box->height = deco_box.height * wlr_output->scale;
-}
-
-void output_damage_whole(struct roots_output *output) {
- wlr_output_damage_add_whole(output->damage);
-}
-
-static bool view_accept_damage(struct roots_output *output,
- struct roots_view *view) {
- if (view->wlr_surface == NULL) {
- return false;
- }
- if (output->fullscreen_view == NULL) {
- return true;
- }
- if (output->fullscreen_view == view) {
- return true;
- }
-#if WLR_HAS_XWAYLAND
- if (output->fullscreen_view->type == ROOTS_XWAYLAND_VIEW &&
- view->type == ROOTS_XWAYLAND_VIEW) {
- // Special case: accept damage from children
- struct wlr_xwayland_surface *xsurface =
- roots_xwayland_surface_from_view(view)->xwayland_surface;
- struct wlr_xwayland_surface *fullscreen_xsurface =
- roots_xwayland_surface_from_view(output->fullscreen_view)->xwayland_surface;
- while (xsurface != NULL) {
- if (fullscreen_xsurface == xsurface) {
- return true;
- }
- xsurface = xsurface->parent;
- }
- }
-#endif
- return false;
-}
-
-static void damage_surface_iterator(struct roots_output *output,
- struct wlr_surface *surface, struct wlr_box *_box, float rotation,
- void *data) {
- bool *whole = data;
-
- struct wlr_box box = *_box;
- scale_box(&box, output->wlr_output->scale);
-
- int center_x = box.x + box.width/2;
- int center_y = box.y + box.height/2;
-
- if (pixman_region32_not_empty(&surface->buffer_damage)) {
- pixman_region32_t damage;
- pixman_region32_init(&damage);
- wlr_surface_get_effective_damage(surface, &damage);
- wlr_region_scale(&damage, &damage, output->wlr_output->scale);
- if (ceil(output->wlr_output->scale) > surface->current.scale) {
- // When scaling up a surface, it'll become blurry so we need to
- // expand the damage region
- wlr_region_expand(&damage, &damage,
- ceil(output->wlr_output->scale) - surface->current.scale);
- }
- pixman_region32_translate(&damage, box.x, box.y);
- wlr_region_rotated_bounds(&damage, &damage, rotation,
- center_x, center_y);
- wlr_output_damage_add(output->damage, &damage);
- pixman_region32_fini(&damage);
- }
-
- if (*whole) {
- wlr_box_rotated_bounds(&box, &box, rotation);
- wlr_output_damage_add_box(output->damage, &box);
- }
-
- wlr_output_schedule_frame(output->wlr_output);
-}
-
-void output_damage_whole_local_surface(struct roots_output *output,
- struct wlr_surface *surface, double ox, double oy) {
- bool whole = true;
- output_surface_for_each_surface(output, surface, ox, oy,
- damage_surface_iterator, &whole);
-}
-
-static void damage_whole_decoration(struct roots_view *view,
- struct roots_output *output) {
- if (!view->decorated || view->wlr_surface == NULL) {
- return;
- }
-
- struct wlr_box box;
- get_decoration_box(view, output, &box);
-
- wlr_box_rotated_bounds(&box, &box, view->rotation);
-
- wlr_output_damage_add_box(output->damage, &box);
-}
-
-void output_damage_whole_view(struct roots_output *output,
- struct roots_view *view) {
- if (!view_accept_damage(output, view)) {
- return;
- }
-
- damage_whole_decoration(view, output);
-
- bool whole = true;
- output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
-}
-
-void output_damage_whole_drag_icon(struct roots_output *output,
- struct roots_drag_icon *icon) {
- bool whole = true;
- output_surface_for_each_surface(output, icon->wlr_drag_icon->surface,
- icon->x, icon->y, damage_surface_iterator, &whole);
-}
-
-void output_damage_from_local_surface(struct roots_output *output,
- struct wlr_surface *surface, double ox, double oy) {
- bool whole = false;
- output_surface_for_each_surface(output, surface, ox, oy,
- damage_surface_iterator, &whole);
-}
-
-void output_damage_from_view(struct roots_output *output,
- struct roots_view *view) {
- if (!view_accept_damage(output, view)) {
- return;
- }
-
- bool whole = false;
- output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
-}
-
-static void set_mode(struct wlr_output *output,
- struct roots_output_config *oc) {
- int mhz = (int)(oc->mode.refresh_rate * 1000);
-
- if (wl_list_empty(&output->modes)) {
- // Output has no mode, try setting a custom one
- wlr_output_set_custom_mode(output, oc->mode.width, oc->mode.height, mhz);
- return;
- }
-
- struct wlr_output_mode *mode, *best = NULL;
- wl_list_for_each(mode, &output->modes, link) {
- if (mode->width == oc->mode.width && mode->height == oc->mode.height) {
- if (mode->refresh == mhz) {
- best = mode;
- break;
- }
- best = mode;
- }
- }
- if (!best) {
- wlr_log(WLR_ERROR, "Configured mode for %s not available", output->name);
- } else {
- wlr_log(WLR_DEBUG, "Assigning configured mode to %s", output->name);
- wlr_output_set_mode(output, best);
- }
-}
-
-static void update_output_manager_config(struct roots_desktop *desktop) {
- struct wlr_output_configuration_v1 *config =
- wlr_output_configuration_v1_create();
-
- struct roots_output *output;
- wl_list_for_each(output, &desktop->outputs, link) {
- struct wlr_output_configuration_head_v1 *config_head =
- wlr_output_configuration_head_v1_create(config, output->wlr_output);
- struct wlr_box *output_box = wlr_output_layout_get_box(
- output->desktop->layout, output->wlr_output);
- if (output_box) {
- config_head->state.x = output_box->x;
- config_head->state.y = output_box->y;
- }
- }
-
- wlr_output_manager_v1_set_configuration(desktop->output_manager_v1, config);
-}
-
-void handle_output_manager_apply(struct wl_listener *listener, void *data) {
- struct roots_desktop *desktop =
- wl_container_of(listener, desktop, output_manager_apply);
- struct wlr_output_configuration_v1 *config = data;
-
- bool ok = true;
- struct wlr_output_configuration_head_v1 *config_head;
- // First disable outputs we need to disable
- wl_list_for_each(config_head, &config->heads, link) {
- struct wlr_output *wlr_output = config_head->state.output;
- if (!config_head->state.enabled) {
- ok &= wlr_output_enable(wlr_output, false);
- wlr_output_layout_remove(desktop->layout, wlr_output);
- }
- }
-
- // Then enable outputs that need to
- wl_list_for_each(config_head, &config->heads, link) {
- struct wlr_output *wlr_output = config_head->state.output;
- if (!config_head->state.enabled) {
- continue;
- }
- ok &= wlr_output_enable(wlr_output, true);
- if (config_head->state.mode != NULL) {
- ok &= wlr_output_set_mode(wlr_output, config_head->state.mode);
- } else {
- ok &= wlr_output_set_custom_mode(wlr_output,
- config_head->state.custom_mode.width,
- config_head->state.custom_mode.height,
- config_head->state.custom_mode.refresh);
- }
- wlr_output_layout_add(desktop->layout, wlr_output,
- config_head->state.x, config_head->state.y);
- wlr_output_set_transform(wlr_output, config_head->state.transform);
- wlr_output_set_scale(wlr_output, config_head->state.scale);
- }
-
- if (ok) {
- wlr_output_configuration_v1_send_succeeded(config);
- } else {
- wlr_output_configuration_v1_send_failed(config);
- }
- wlr_output_configuration_v1_destroy(config);
-
- update_output_manager_config(desktop);
-}
-
-void handle_output_manager_test(struct wl_listener *listener, void *data) {
- struct roots_desktop *desktop =
- wl_container_of(listener, desktop, output_manager_test);
- struct wlr_output_configuration_v1 *config = data;
-
- // TODO: implement test-only mode
- wlr_output_configuration_v1_send_succeeded(config);
- wlr_output_configuration_v1_destroy(config);
-}
-
-static void output_destroy(struct roots_output *output) {
- // TODO: cursor
- //example_config_configure_cursor(sample->config, sample->cursor,
- // sample->compositor);
-
- wl_list_remove(&output->link);
- wl_list_remove(&output->destroy.link);
- wl_list_remove(&output->enable.link);
- wl_list_remove(&output->mode.link);
- wl_list_remove(&output->transform.link);
- wl_list_remove(&output->present.link);
- wl_list_remove(&output->damage_frame.link);
- wl_list_remove(&output->damage_destroy.link);
- free(output);
-}
-
-static void output_handle_destroy(struct wl_listener *listener, void *data) {
- struct roots_output *output = wl_container_of(listener, output, destroy);
- struct roots_desktop *desktop = output->desktop;
- output_destroy(output);
- update_output_manager_config(desktop);
-}
-
-static void output_handle_enable(struct wl_listener *listener, void *data) {
- struct roots_output *output = wl_container_of(listener, output, enable);
- update_output_manager_config(output->desktop);
-}
-
-static void output_damage_handle_frame(struct wl_listener *listener,
- void *data) {
- struct roots_output *output =
- wl_container_of(listener, output, damage_frame);
- output_render(output);
-}
-
-static void output_damage_handle_destroy(struct wl_listener *listener,
- void *data) {
- struct roots_output *output =
- wl_container_of(listener, output, damage_destroy);
- output_destroy(output);
-}
-
-static void output_handle_mode(struct wl_listener *listener, void *data) {
- struct roots_output *output =
- wl_container_of(listener, output, mode);
- arrange_layers(output);
- update_output_manager_config(output->desktop);
-}
-
-static void output_handle_transform(struct wl_listener *listener, void *data) {
- struct roots_output *output =
- wl_container_of(listener, output, transform);
- arrange_layers(output);
-}
-
-static void surface_send_presented_iterator(struct roots_output *output,
- struct wlr_surface *surface, struct wlr_box *_box, float rotation,
- void *data) {
- struct wlr_presentation_event *event = data;
- wlr_presentation_send_surface_presented(output->desktop->presentation,
- surface, event);
-}
-
-static void output_handle_present(struct wl_listener *listener, void *data) {
- struct roots_output *output =
- wl_container_of(listener, output, present);
- struct wlr_output_event_present *output_event = data;
-
- struct wlr_presentation_event event = {
- .output = output->wlr_output,
- .tv_sec = (uint64_t)output_event->when->tv_sec,
- .tv_nsec = (uint32_t)output_event->when->tv_nsec,
- .refresh = (uint32_t)output_event->refresh,
- .seq = (uint64_t)output_event->seq,
- .flags = output_event->flags,
- };
-
- output_for_each_surface(output,
- surface_send_presented_iterator, &event);
-}
-
-void handle_new_output(struct wl_listener *listener, void *data) {
- struct roots_desktop *desktop = wl_container_of(listener, desktop,
- new_output);
- struct wlr_output *wlr_output = data;
- struct roots_input *input = desktop->server->input;
- struct roots_config *config = desktop->config;
-
- wlr_log(WLR_DEBUG, "Output '%s' added", wlr_output->name);
- wlr_log(WLR_DEBUG, "'%s %s %s' %"PRId32"mm x %"PRId32"mm", wlr_output->make,
- wlr_output->model, wlr_output->serial, wlr_output->phys_width,
- wlr_output->phys_height);
-
- struct roots_output *output = calloc(1, sizeof(struct roots_output));
- clock_gettime(CLOCK_MONOTONIC, &output->last_frame);
- output->desktop = desktop;
- output->wlr_output = wlr_output;
- wlr_output->data = output;
- wl_list_insert(&desktop->outputs, &output->link);
-
- output->damage = wlr_output_damage_create(wlr_output);
-
- output->destroy.notify = output_handle_destroy;
- wl_signal_add(&wlr_output->events.destroy, &output->destroy);
- output->enable.notify = output_handle_enable;
- wl_signal_add(&wlr_output->events.enable, &output->enable);
- output->mode.notify = output_handle_mode;
- wl_signal_add(&wlr_output->events.mode, &output->mode);
- output->transform.notify = output_handle_transform;
- wl_signal_add(&wlr_output->events.transform, &output->transform);
- output->present.notify = output_handle_present;
- wl_signal_add(&wlr_output->events.present, &output->present);
-
- output->damage_frame.notify = output_damage_handle_frame;
- wl_signal_add(&output->damage->events.frame, &output->damage_frame);
- output->damage_destroy.notify = output_damage_handle_destroy;
- wl_signal_add(&output->damage->events.destroy, &output->damage_destroy);
-
- size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
- for (size_t i = 0; i < len; ++i) {
- wl_list_init(&output->layers[i]);
- }
-
- struct roots_output_config *output_config =
- roots_config_get_output(config, wlr_output);
-
- struct wlr_output_mode *preferred_mode =
- wlr_output_preferred_mode(wlr_output);
- if (output_config) {
- if (output_config->enable) {
- if (wlr_output_is_drm(wlr_output)) {
- struct roots_output_mode_config *mode_config;
- wl_list_for_each(mode_config, &output_config->modes, link) {
- wlr_drm_connector_add_mode(wlr_output, &mode_config->info);
- }
- } else if (!wl_list_empty(&output_config->modes)) {
- wlr_log(WLR_ERROR, "Can only add modes for DRM backend");
- }
-
- if (output_config->mode.width) {
- set_mode(wlr_output, output_config);
- } else if (preferred_mode != NULL) {
- wlr_output_set_mode(wlr_output, preferred_mode);
- }
-
- wlr_output_set_scale(wlr_output, output_config->scale);
- wlr_output_set_transform(wlr_output, output_config->transform);
- wlr_output_layout_add(desktop->layout, wlr_output, output_config->x,
- output_config->y);
- } else {
- wlr_output_enable(wlr_output, false);
- }
- } else {
- if (preferred_mode != NULL) {
- wlr_output_set_mode(wlr_output, preferred_mode);
- }
- wlr_output_layout_add_auto(desktop->layout, wlr_output);
- }
-
- struct roots_seat *seat;
- wl_list_for_each(seat, &input->seats, link) {
- roots_seat_configure_cursor(seat);
- roots_seat_configure_xcursor(seat);
- }
-
- arrange_layers(output);
- output_damage_whole(output);
-
- update_output_manager_config(desktop);
-}