+/*
+ * output.c: labwc output and rendering
+ *
+ * Copyright (C) 2019-2021 Johan Malm
+ * Copyright (C) 2020 The Sway authors
+ */
+
#define _POSIX_C_SOURCE 200809L
#include "config.h"
#include <wlr/types/wlr_xdg_output_v1.h>
+#include <wlr/types/wlr_output_damage.h>
+#include <wlr/util/region.h>
#include "labwc.h"
#include "menu/menu.h"
#include "theme/theme.h"
#include "layers.h"
-struct draw_data {
- struct wlr_output *output;
- struct wlr_output_layout *output_layout;
- struct wlr_renderer *renderer;
- float *transform_matrix;
- float *rgba;
+//#define DEBUG 1
+
+typedef void (*surface_iterator_func_t)(struct output *output,
+ struct wlr_surface *surface, struct wlr_box *box,
+ void *user_data);
+
+struct surface_iterator_data {
+ surface_iterator_func_t user_iterator;
+ void *user_data;
+ struct output *output;
+ double ox, oy;
};
+static bool
+intersects_with_output(struct output *output,
+ struct wlr_output_layout *output_layout,
+ struct wlr_box *surface_box)
+{
+ /* The resolution can change if outputs are rotated */
+ 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, surface_box);
+}
+
static void
-draw_rect(struct draw_data *d, struct wlr_box box)
+output_for_each_surface_iterator(struct wlr_surface *surface, int sx, int sy,
+ void *user_data)
{
- double ox = 0, oy = 0;
- wlr_output_layout_output_coords(d->output_layout, d->output, &ox, &oy);
- box.x += ox;
- box.y += oy;
- wlr_render_rect(d->renderer, &box, d->rgba, d->transform_matrix);
+ struct surface_iterator_data *data = user_data;
+ struct output *output = data->output;
+ if (!surface || !wlr_surface_has_buffer(surface)) {
+ return;
+ }
+ struct wlr_box surface_box = {
+ .x = data->ox + sx + surface->sx,
+ .y = data->oy + sy + surface->sy,
+ .width = surface->current.width,
+ .height = surface->current.height,
+ };
+
+ if (!intersects_with_output(output, output->server->output_layout,
+ &surface_box)) {
+ return;
+ }
+ data->user_iterator(data->output, surface, &surface_box,
+ data->user_data);
+}
+
+void
+output_surface_for_each_surface(struct output *output,
+ struct wlr_surface *surface, double ox, double oy,
+ 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,
+ };
+ if (!surface) {
+ return;
+ }
+ wlr_surface_for_each_surface(surface,
+ output_for_each_surface_iterator, &data);
+}
+
+struct render_data {
+ pixman_region32_t *damage;
+};
+
+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);
}
static void
-draw_line(struct draw_data *d, int x1, int y1, int x2, int y2)
+scissor_output(struct wlr_output *output, pixman_box32_t *rect)
{
+ struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
+
struct wlr_box box = {
- .x = x1,
- .y = y1,
- .width = abs(x2 - x1) + 1,
- .height = abs(y2 - y1) + 1,
+ .x = rect->x1,
+ .y = rect->y1,
+ .width = rect->x2 - rect->x1,
+ .height = rect->y2 - rect->y1,
};
- wlr_render_rect(d->renderer, &box, d->rgba, d->transform_matrix);
+
+ int output_width, output_height;
+ wlr_output_transformed_resolution(output, &output_width, &output_height);
+ enum wl_output_transform transform =
+ wlr_output_transform_invert(output->transform);
+ wlr_box_transform(&box, &box, transform, output_width, output_height);
+
+ wlr_renderer_scissor(renderer, &box);
+}
+
+static void
+render_texture(struct wlr_output *wlr_output, pixman_region32_t *output_damage,
+ struct wlr_texture *texture, const struct wlr_box *box,
+ const float matrix[static 9])
+{
+ struct wlr_renderer *renderer =
+ wlr_backend_get_renderer(wlr_output->backend);
+
+ pixman_region32_t damage;
+ pixman_region32_init(&damage);
+ pixman_region32_union_rect(&damage, &damage, box->x, box->y,
+ box->width, box->height);
+ pixman_region32_intersect(&damage, &damage, output_damage);
+ if (!pixman_region32_not_empty(&damage)) {
+ goto damage_finish;
+ }
+
+ int nrects;
+ pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
+ for (int i = 0; i < nrects; i++) {
+ scissor_output(wlr_output, &rects[i]);
+ wlr_render_texture_with_matrix(renderer, texture, matrix, 1.0f);
+ }
+
+damage_finish:
+ pixman_region32_fini(&damage);
}
-static void draw_rect_unfilled(struct draw_data *d, struct wlr_box box)
+static void
+render_surface_iterator(struct output *output, struct wlr_surface *surface,
+ struct wlr_box *box, void *user_data)
{
- draw_line(d, box.x, box.y, box.x + box.width - 1, box.y);
- draw_line(d, box.x + box.width - 1, box.y, box.x + box.width - 1,
- box.y + box.height - 1);
- draw_line(d, box.x, box.y + box.height - 1, box.x + box.width - 1,
- box.y + box.height - 1);
- draw_line(d, box.x, box.y, box.x, box.y + box.height - 1);
+ struct render_data *data = user_data;
+ struct wlr_output *wlr_output = output->wlr_output;
+ pixman_region32_t *output_damage = data->damage;
+
+ struct wlr_texture *texture = wlr_surface_get_texture(surface);
+ if (!texture) {
+ wlr_log(WLR_DEBUG, "Cannot obtain surface texture");
+ return;
+ }
+
+ scale_box(box, wlr_output->scale);
+
+ float matrix[9];
+ enum wl_output_transform transform =
+ wlr_output_transform_invert(surface->current.transform);
+ wlr_matrix_project_box(matrix, box, transform, 0.0f,
+ wlr_output->transform_matrix);
+
+ render_texture(wlr_output, output_damage, texture, box, matrix);
+}
+
+#if HAVE_XWAYLAND
+void
+output_unmanaged_for_each_surface(struct output *output,
+ struct wl_list *unmanaged, surface_iterator_func_t iterator,
+ void *user_data)
+{
+ struct xwayland_unmanaged *unmanaged_surface;
+ wl_list_for_each(unmanaged_surface, unmanaged, link) {
+ struct wlr_xwayland_surface *xsurface =
+ unmanaged_surface->xwayland_surface;
+ double ox = unmanaged_surface->lx, oy = unmanaged_surface->ly;
+ wlr_output_layout_output_coords(
+ output->server->output_layout, output->wlr_output, &ox, &oy);
+ output_surface_for_each_surface(output, xsurface->surface, ox, oy,
+ iterator, user_data);
+ }
+}
+
+static void render_unmanaged(struct output *output, pixman_region32_t *damage,
+ struct wl_list *unmanaged) {
+ struct render_data data = {
+ .damage = damage,
+ };
+ output_unmanaged_for_each_surface(output, unmanaged,
+ render_surface_iterator, &data);
+}
+#endif
+
+static void
+output_view_for_each_surface(struct output *output, struct view *view,
+ surface_iterator_func_t iterator, void *user_data)
+{
+ struct surface_iterator_data data = {
+ .user_iterator = iterator,
+ .user_data = user_data,
+ .output = output,
+ .ox = view->x,
+ .oy = view->y,
+ };
+
+ wlr_output_layout_output_coords(output->server->output_layout,
+ output->wlr_output, &data.ox, &data.oy);
+ view_for_each_surface(view, output_for_each_surface_iterator, &data);
+}
+
+void
+output_view_for_each_popup(struct output *output, struct view *view,
+ surface_iterator_func_t iterator, void *user_data)
+{
+ struct surface_iterator_data data = {
+ .user_iterator = iterator,
+ .user_data = user_data,
+ .output = output,
+ .ox = view->x,
+ .oy = view->y,
+ };
+
+ wlr_output_layout_output_coords(output->server->output_layout,
+ output->wlr_output, &data.ox, &data.oy);
+ view_for_each_popup(view, output_for_each_surface_iterator, &data);
+}
+
+/* for sending frame done */
+void output_layer_for_each_surface(struct output *output,
+ struct wl_list *layer_surfaces, surface_iterator_func_t iterator,
+ void *user_data) {
+ struct lab_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);
+ /* TODO: handle popups */
+ }
+}
+
+static void
+output_for_each_surface(struct output *output, surface_iterator_func_t iterator,
+ void *user_data)
+{
+ output_layer_for_each_surface(output,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
+ iterator, user_data);
+ output_layer_for_each_surface(output,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
+ iterator, user_data);
+
+ struct view *view;
+ wl_list_for_each_reverse(view, &output->server->views, link) {
+ if (!view->mapped) {
+ continue;
+ }
+ output_view_for_each_surface(output, view, iterator, user_data);
+ }
+
+#if HAVE_XWAYLAND
+ output_unmanaged_for_each_surface(output, &output->server->unmanaged_surfaces,
+ iterator, user_data);
+#endif
+
+ output_layer_for_each_surface(output,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
+ iterator, user_data);
+ output_layer_for_each_surface(output,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
+ iterator, user_data);
+}
+
+struct send_frame_done_data {
+ struct timespec when;
+};
+
+static void
+send_frame_done_iterator(struct output *output, struct wlr_surface *surface,
+ struct wlr_box *box, void *user_data)
+{
+ struct send_frame_done_data *data = user_data;
+ wlr_surface_send_frame_done(surface, &data->when);
+}
+
+static void
+send_frame_done(struct output *output, struct send_frame_done_data *data)
+{
+ output_for_each_surface(output, send_frame_done_iterator, data);
+}
+
+void
+render_rect(struct output *output, pixman_region32_t *output_damage,
+ const struct wlr_box *_box, float color[static 4])
+{
+ struct wlr_output *wlr_output = output->wlr_output;
+ struct wlr_renderer *renderer =
+ wlr_backend_get_renderer(wlr_output->backend);
+
+ struct wlr_box box;
+ memcpy(&box, _box, sizeof(struct wlr_box));
+
+ pixman_region32_t damage;
+ pixman_region32_init(&damage);
+ pixman_region32_union_rect(&damage, &damage, box.x, box.y,
+ box.width, box.height);
+ pixman_region32_intersect(&damage, &damage, output_damage);
+ bool damaged = pixman_region32_not_empty(&damage);
+ if (!damaged) {
+ goto damage_finish;
+ }
+
+ int nrects;
+ pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
+ for (int i = 0; i < nrects; ++i) {
+ scissor_output(wlr_output, &rects[i]);
+ wlr_render_rect(renderer, &box, color,
+ wlr_output->transform_matrix);
+ }
+
+damage_finish:
+ pixman_region32_fini(&damage);
+}
+
+void
+render_rect_unfilled(struct output *output, pixman_region32_t *output_damage,
+ const struct wlr_box *_box, float color[static 4])
+{
+ struct wlr_box box;
+ memcpy(&box, _box, sizeof(struct wlr_box));
+ box.height = 1;
+ render_rect(output, output_damage, &box, color);
+ box.y += _box->height - 1;
+ render_rect(output, output_damage, &box, color);
+ memcpy(&box, _box, sizeof(struct wlr_box));
+ box.width = 1;
+ render_rect(output, output_damage, &box, color);
+ box.x += _box->width - 1;
+ render_rect(output, output_damage, &box, color);
}
static void
}
static void
-render_cycle_box(struct output *output)
+render_cycle_box(struct output *output, pixman_region32_t *output_damage,
+ struct view *view)
{
struct wlr_output_layout *layout = output->server->output_layout;
double ox = 0, oy = 0;
struct wlr_box box;
- if (!output->server->cycle_view)
- return;
- struct view *view;
- wl_list_for_each_reverse (view, &output->server->views, link) {
- if (view == output->server->cycle_view)
- goto render_it;
- }
- return;
-render_it:
wlr_output_layout_output_coords(layout, output->wlr_output, &ox, &oy);
box.x = view->x - view->margin.left + ox;
box.y = view->y - view->margin.top + oy;
box.width = view->w + view->margin.left + view->margin.right;
box.height = view->h + view->margin.top + view->margin.bottom;
- struct draw_data dd = {
- .renderer = view->server->renderer,
- .transform_matrix = output->wlr_output->transform_matrix,
- };
- dd.rgba = (float[4]){ 1.0, 1.0, 1.0, 1.0 };
- draw_rect_unfilled(&dd, box);
- dd.rgba = (float[4]){ 0.0, 0.0, 0.0, 1.0 };
+
+ float white[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
+ float black[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
+ render_rect_unfilled(output, output_damage, &box, white);
+
for (int i = 0; i < 4; i++) {
shrink(&box, 1);
- draw_rect_unfilled(&dd, box);
+ render_rect_unfilled(output, output_damage, &box, black);
}
- dd.rgba = (float[4]){ 1.0, 1.0, 1.0, 1.0 };
shrink(&box, 1);
- draw_rect_unfilled(&dd, box);
+ render_rect_unfilled(output, output_damage, &box, white);
}
static void
-render_rootmenu(struct output *output)
+render_icon(struct output *output, pixman_region32_t *output_damage,
+ struct wlr_box *box, struct wlr_texture *texture)
{
- struct server *server = output->server;
- struct draw_data ddata = {
- .renderer = server->renderer,
- .transform_matrix = output->wlr_output->transform_matrix,
- };
- float matrix[9];
-
- struct wlr_output_layout *output_layout = server->output_layout;
- double ox = 0, oy = 0;
- wlr_output_layout_output_coords(output_layout, output->wlr_output, &ox, &oy);
- ddata.rgba = (float[4]){ 0.9, 0.3, 0.3, 0.5 };
- struct menuitem *menuitem;
- wl_list_for_each (menuitem, &server->rootmenu->menuitems, link) {
- struct wlr_texture *t;
- t = menuitem->selected ? menuitem->active_texture :
- menuitem->inactive_texture;
- struct wlr_box box = {
- .x = menuitem->geo_box.x + ox,
- .y = menuitem->geo_box.y + oy,
- .width = menuitem->geo_box.width,
- .height = menuitem->geo_box.height,
- };
- wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
- 0, ddata.transform_matrix);
- wlr_render_texture_with_matrix(ddata.renderer, t, matrix, 1);
- }
-
-}
-
-static void
-render_icon(struct draw_data *d, struct wlr_box box,
- struct wlr_texture *texture)
-{
- if (!texture)
- return;
- float matrix[9];
-
/* centre-align icon if smaller than designated box */
struct wlr_box button;
wlr_texture_get_size(texture, &button.width, &button.height);
- if (box.width > button.width) {
- button.x = box.x + (box.width - button.width) / 2;
+ if (box->width > button.width) {
+ button.x = box->x + (box->width - button.width) / 2;
} else {
- button.x = box.x;
- button.width = box.width;
+ button.x = box->x;
+ button.width = box->width;
}
- if (box.height > button.height) {
- button.y = box.y + (box.height - button.height) / 2;
+ if (box->height > button.height) {
+ button.y = box->y + (box->height - button.height) / 2;
} else {
- button.y = box.y;
- button.height = box.height;
+ button.y = box->y;
+ button.height = box->height;
}
double ox = 0, oy = 0;
- wlr_output_layout_output_coords(d->output_layout, d->output, &ox, &oy);
+ wlr_output_layout_output_coords(output->server->output_layout,
+ output->wlr_output, &ox, &oy);
button.x += ox;
button.y += oy;
+ float matrix[9];
wlr_matrix_project_box(matrix, &button, WL_OUTPUT_TRANSFORM_NORMAL, 0,
- d->transform_matrix);
- wlr_render_texture_with_matrix(d->renderer, texture, matrix, 1);
+ output->wlr_output->transform_matrix);
+ render_texture(output->wlr_output, output_damage, texture, &button,
+ matrix);
}
static bool
}
static void
-render_decorations(struct wlr_output *output, struct view *view)
+render_deco(struct view *view, struct output *output,
+ pixman_region32_t *output_damage)
{
- if (!view->server_side_deco)
+ if (!view->server_side_deco) {
return;
- struct draw_data ddata = {
- .output = output,
- .output_layout = view->server->output_layout,
- .renderer = view->server->renderer,
- .transform_matrix = output->transform_matrix,
- };
+ }
- /* border */
- ddata.rgba = theme.window_active_handle_bg_color;
- draw_rect(&ddata, deco_box(view, LAB_DECO_PART_TOP));
- draw_rect(&ddata, deco_box(view, LAB_DECO_PART_RIGHT));
- draw_rect(&ddata, deco_box(view, LAB_DECO_PART_BOTTOM));
- draw_rect(&ddata, deco_box(view, LAB_DECO_PART_LEFT));
+ /* render border */
+ float *color = theme.window_active_handle_bg_color;
+ enum deco_part border[4] = {
+ LAB_DECO_PART_TOP,
+ LAB_DECO_PART_RIGHT,
+ LAB_DECO_PART_BOTTOM,
+ LAB_DECO_PART_LEFT,
+ };
+ for (int i = 0; i < 4; i++) {
+ struct wlr_box box = deco_box(view, border[i]);
+ render_rect(output, output_damage, &box, color);
+ }
- /* title */
+ /* render title */
struct wlr_seat *seat = view->server->seat.seat;
- if (view->surface == seat->keyboard_state.focused_surface)
- ddata.rgba = theme.window_active_title_bg_color;
- else
- ddata.rgba = theme.window_inactive_title_bg_color;
- draw_rect(&ddata, deco_box(view, LAB_DECO_PART_TITLE));
+ if (view->surface == seat->keyboard_state.focused_surface) {
+ color = theme.window_active_title_bg_color;
+ } else {
+ color = theme.window_inactive_title_bg_color;
+ }
+ struct wlr_box box = deco_box(view, LAB_DECO_PART_TITLE);
+ render_rect(output, output_damage, &box, color);
/* button background */
struct wlr_cursor *cur = view->server->seat.cursor;
enum deco_part deco_part = deco_at(view, cur->x, cur->y);
-
- struct wlr_box box = deco_box(view, deco_part);
+ box = deco_box(view, deco_part);
if (isbutton(deco_part) &&
wlr_box_contains_point(&box, cur->x, cur->y)) {
- ddata.rgba = (float[4]){ 0.5, 0.5, 0.5, 0.5 };
- draw_rect(&ddata, deco_box(view, deco_part));
+ color = (float[4]){ 0.5, 0.5, 0.5, 0.5 };
+ render_rect(output, output_damage, &box, color);
}
/* buttons */
if (view->surface == seat->keyboard_state.focused_surface) {
- render_icon(&ddata, deco_box(view, LAB_DECO_BUTTON_CLOSE),
- theme.xbm_close_active_unpressed);
- render_icon(&ddata, deco_box(view, LAB_DECO_BUTTON_MAXIMIZE),
- theme.xbm_maximize_active_unpressed);
- render_icon(&ddata, deco_box(view, LAB_DECO_BUTTON_ICONIFY),
- theme.xbm_iconify_active_unpressed);
+ box = deco_box(view, LAB_DECO_BUTTON_CLOSE);
+ render_icon(output, output_damage, &box,
+ theme.xbm_close_active_unpressed);
+ box = deco_box(view, LAB_DECO_BUTTON_MAXIMIZE);
+ render_icon(output, output_damage, &box,
+ theme.xbm_maximize_active_unpressed);
+ box = deco_box(view, LAB_DECO_BUTTON_ICONIFY);
+ render_icon(output, output_damage, &box,
+ theme.xbm_iconify_active_unpressed);
} else {
- render_icon(&ddata, deco_box(view, LAB_DECO_BUTTON_CLOSE),
- theme.xbm_close_inactive_unpressed);
- render_icon(&ddata, deco_box(view, LAB_DECO_BUTTON_MAXIMIZE),
- theme.xbm_maximize_inactive_unpressed);
- render_icon(&ddata, deco_box(view, LAB_DECO_BUTTON_ICONIFY),
- theme.xbm_iconify_inactive_unpressed);
+ box = deco_box(view, LAB_DECO_BUTTON_CLOSE);
+ render_icon(output, output_damage, &box,
+ theme.xbm_close_inactive_unpressed);
+ box = deco_box(view, LAB_DECO_BUTTON_MAXIMIZE);
+ render_icon(output, output_damage, &box,
+ theme.xbm_maximize_inactive_unpressed);
+ box = deco_box(view, LAB_DECO_BUTTON_ICONIFY);
+ render_icon(output, output_damage, &box,
+ theme.xbm_iconify_inactive_unpressed);
}
}
-struct render_data_layer {
- struct lab_layer_surface *layer_surface;
- struct timespec *now;
-};
-
static void
-render_layer_surface(struct wlr_surface *surface, int sx, int sy, void *data)
+render_rootmenu(struct output *output, pixman_region32_t *output_damage)
{
- struct render_data_layer *context = data;
- struct lab_layer_surface *layer_surface = context->layer_surface;
- struct wlr_texture *texture = wlr_surface_get_texture(surface);
- if (texture == NULL) {
- return;
- }
- struct wlr_output *output = layer_surface->layer_surface->output;
- double ox = 0, oy = 0;
- wlr_output_layout_output_coords(
- layer_surface->server->output_layout, output, &ox, &oy);
- ox += layer_surface->geo.x + sx, oy += layer_surface->geo.y + sy;
+ struct server *server = output->server;
float matrix[9];
- enum wl_output_transform transform =
- wlr_output_transform_invert(surface->current.transform);
- struct wlr_box box;
- memcpy(&box, &layer_surface->geo, sizeof(struct wlr_box));
- wlr_matrix_project_box(matrix, &box, transform, 0,
- output->transform_matrix);
- wlr_render_texture_with_matrix(layer_surface->server->renderer,
- texture, matrix, 1);
- wlr_surface_send_frame_done(surface, context->now);
+
+ struct wlr_output_layout *output_layout = server->output_layout;
+ double ox = 0, oy = 0;
+ wlr_output_layout_output_coords(output_layout, output->wlr_output,
+ &ox, &oy);
+ struct menuitem *menuitem;
+ wl_list_for_each (menuitem, &server->rootmenu->menuitems, link) {
+ struct wlr_texture *t;
+ t = menuitem->selected ? menuitem->active_texture :
+ menuitem->inactive_texture;
+ struct wlr_box box = {
+ .x = menuitem->geo_box.x + ox,
+ .y = menuitem->geo_box.y + oy,
+ .width = menuitem->geo_box.width,
+ .height = menuitem->geo_box.height,
+ };
+ wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
+ 0, output->wlr_output->transform_matrix);
+ render_texture(output->wlr_output, output_damage, t,
+ &box, matrix);
+ }
}
-static void
-render_layer(struct timespec *now, struct wl_list *layer_surfaces)
+void output_layer_for_each_surface_toplevel(struct output *output,
+ struct wl_list *layer_surfaces, surface_iterator_func_t iterator,
+ void *user_data)
{
- struct render_data_layer context = {
- .now = now,
- };
struct lab_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;
- context.layer_surface = layer_surface;
- wlr_surface_for_each_surface(wlr_layer_surface_v1->surface,
- render_layer_surface, &context);
+ output_surface_for_each_surface(output,
+ wlr_layer_surface_v1->surface, layer_surface->geo.x,
+ layer_surface->geo.y, iterator, user_data);
}
}
-struct render_data {
- struct wlr_output *output;
- struct wlr_output_layout *output_layout;
- struct wlr_renderer *renderer;
- int lx, ly;
- struct timespec *when;
-};
+static void render_layer_toplevel(struct output *output,
+ pixman_region32_t *damage, struct wl_list *layer_surfaces) {
+ struct render_data data = {
+ .damage = damage,
+ };
+ output_layer_for_each_surface_toplevel(output, layer_surfaces,
+ render_surface_iterator, &data);
+}
static void
-render_surface(struct wlr_surface *surface, int sx, int sy, void *data)
+render_view_toplevels(struct view *view, struct output *output,
+ pixman_region32_t *damage)
{
- struct render_data *rdata = data;
-
- struct wlr_texture *texture = wlr_surface_get_texture(surface);
- if (!texture) {
- return;
- }
-
- /*
- * The view has a position in layout coordinates. If you have two
- * displays, one next to the other, both 1080p, a view on the rightmost
- * display might have layout coordinates of 2000,100. We need to
- * translate that to output-local coordinates, or (2000 - 1920).
- */
- double ox = 0, oy = 0;
- wlr_output_layout_output_coords(
- rdata->output_layout, rdata->output, &ox, &oy);
- ox += rdata->lx + sx;
- oy += rdata->ly + sy;
-
- struct wlr_box box = {
- .x = ox * rdata->output->scale,
- .y = oy * rdata->output->scale,
- .width = surface->current.width * rdata->output->scale,
- .height = surface->current.height * rdata->output->scale,
+ struct render_data data = {
+ .damage = damage,
};
+ double ox = view->x;
+ double oy = view->y;
+ wlr_output_layout_output_coords(output->server->output_layout,
+ output->wlr_output, &ox, &oy);
+ output_surface_for_each_surface(output, view->surface, ox, oy,
+ render_surface_iterator, &data);
+}
- float matrix[9];
- enum wl_output_transform transform =
- wlr_output_transform_invert(surface->current.transform);
- wlr_matrix_project_box(matrix, &box, transform, 0,
- rdata->output->transform_matrix);
+static void
+render_popup_iterator(struct output *output, struct wlr_surface *surface,
+ struct wlr_box *box, void *data)
+{
+ /* Render this popup's surface */
+ render_surface_iterator(output, surface, box, data);
- wlr_render_texture_with_matrix(rdata->renderer, texture, matrix, 1);
- wlr_surface_send_frame_done(surface, rdata->when);
+ /* Render this popup's child toplevels */
+ output_surface_for_each_surface(output, surface, box->x, box->y,
+ render_surface_iterator, data);
}
static void
-output_frame_notify(struct wl_listener *listener, void *data)
+render_view_popups(struct view *view, struct output *output,
+ pixman_region32_t *damage)
{
- /*
- * This function is called every time an output is ready to display a
- * frame, generally at the output's refresh rate (e.g. 60Hz).
- */
- struct output *output = wl_container_of(listener, output, frame);
- struct wlr_renderer *renderer = output->server->renderer;
+ struct render_data data = {
+ .damage = damage,
+ };
+ output_view_for_each_popup(output, view, render_popup_iterator, &data);
+}
- struct timespec now;
- clock_gettime(CLOCK_MONOTONIC, &now);
+void
+output_render(struct output *output, pixman_region32_t *damage)
+{
+ struct server *server = output->server;
+ struct wlr_output *wlr_output = output->wlr_output;
- /* wlr_output_attach_render makes the OpenGL context current. */
- if (!wlr_output_attach_render(output->wlr_output, NULL)) {
+ struct wlr_renderer *renderer =
+ wlr_backend_get_renderer(wlr_output->backend);
+ if (!renderer) {
+ wlr_log(WLR_DEBUG, "no renderer");
return;
}
- /* The "effective" resolution can change if you rotate your outputs. */
- int width, height;
- wlr_output_effective_resolution(output->wlr_output, &width, &height);
-
/* Calls glViewport and some other GL sanity checks */
- wlr_renderer_begin(renderer, width, height);
+ wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
- float color[4] = { 0.3, 0.3, 0.3, 1.0 };
- wlr_renderer_clear(renderer, color);
+ if (!pixman_region32_not_empty(damage)) {
+ goto renderer_end;
+ }
- render_layer(&now, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
- render_layer(&now, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
+#ifdef DEBUG
+ wlr_renderer_clear(renderer, (float[]){0.2f, 0.0f, 0.0f, 1.0f});
+#endif
+
+ float color[4] = {0.0f, 0.0f, 0.0f, 1.0f};
+ int nrects;
+ pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects);
+ for (int i = 0; i < nrects; i++) {
+ scissor_output(wlr_output, &rects[i]);
+ wlr_renderer_clear(renderer, color);
+ }
+
+ render_layer_toplevel(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
+ render_layer_toplevel(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
struct view *view;
- wl_list_for_each_reverse (view, &output->server->views, link) {
- if (!view->mapped)
+ wl_list_for_each_reverse (view, &server->views, link) {
+ if (!view->mapped) {
continue;
+ }
+ render_deco(view, output, damage);
+ render_view_toplevels(view, output, damage);
+ render_view_popups(view, output, damage);
+ }
- render_decorations(output->wlr_output, view);
+#if HAVE_XWAYLAND
+ render_unmanaged(output, damage, &output->server->unmanaged_surfaces);
+#endif
- struct render_data rdata = {
- .output = output->wlr_output,
- .output_layout = output->server->output_layout,
- .lx = view->x,
- .ly = view->y,
- .renderer = renderer,
- .when = &now,
- };
+ /* 'alt-tab' border */
+ if (output->server->cycle_view) {
+ render_cycle_box(output, damage, output->server->cycle_view);
+ }
+
+ render_layer_toplevel(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
+ render_layer_toplevel(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
- view_for_each_surface(view, render_surface, &rdata);
+ if (output->server->input_mode == LAB_INPUT_STATE_MENU) {
+ render_rootmenu(output, damage);
}
- /* If in cycle (alt-tab) mode, highlight selected view */
- render_cycle_box(output);
+renderer_end:
+ /* Just in case hardware cursors not supported by GPU */
+ wlr_output_render_software_cursors(wlr_output, damage);
+ wlr_renderer_scissor(renderer, NULL);
+ wlr_renderer_end(renderer);
-#if HAVE_XWAYLAND
- /* Render xwayland override_redirect surfaces */
- struct xwayland_unmanaged *unmanaged;
- wl_list_for_each_reverse (unmanaged,
- &output->server->unmanaged_surfaces, link) {
- struct render_data rdata = {
- .output = output->wlr_output,
- .output_layout = output->server->output_layout,
- .lx = unmanaged->lx,
- .ly = unmanaged->ly,
- .renderer = renderer,
- .when = &now,
- };
+ int output_width, output_height;
+ wlr_output_transformed_resolution(wlr_output, &output_width,
+ &output_height);
- struct wlr_surface *s = unmanaged->xwayland_surface->surface;
- render_surface(s, 0, 0, &rdata);
- }
+ pixman_region32_t frame_damage;
+ pixman_region32_init(&frame_damage);
+
+ enum wl_output_transform transform =
+ wlr_output_transform_invert(wlr_output->transform);
+ wlr_region_transform(&frame_damage, &output->damage->current,
+ transform, output_width, output_height);
+
+#ifdef DEBUG
+ pixman_region32_union_rect(&frame_damage, &frame_damage, 0, 0,
+ output_width, output_height);
#endif
- render_layer(&now, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
- render_layer(&now, &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
+ wlr_output_set_damage(wlr_output, &frame_damage);
+ pixman_region32_fini(&frame_damage);
- if (output->server->input_mode == LAB_INPUT_STATE_MENU) {
- render_rootmenu(output);
+ if (!wlr_output_commit(wlr_output)) {
+ wlr_log(WLR_ERROR, "could not commit output");
}
+}
- /* Just in case hardware cursors not supported by GPU */
- wlr_output_render_software_cursors(output->wlr_output, NULL);
+static void
+damage_surface_iterator(struct output *output, struct wlr_surface *surface,
+ struct wlr_box *box, void *user_data)
+{
+ struct wlr_output *wlr_output = output->wlr_output;
+ bool whole = *(bool *) user_data;
+
+ scale_box(box, output->wlr_output->scale);
+
+ if (whole) {
+ wlr_output_damage_add_box(output->damage, box);
+ } else 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, wlr_output->scale);
+ if (ceil(wlr_output->scale) > surface->current.scale) {
+ wlr_region_expand(&damage, &damage,
+ ceil(wlr_output->scale) - surface->current.scale);
+ }
+ pixman_region32_translate(&damage, box->x, box->y);
+ wlr_output_damage_add(output->damage, &damage);
+ pixman_region32_fini(&damage);
+ }
+}
- wlr_renderer_end(renderer);
- wlr_output_commit(output->wlr_output);
+void
+output_damage_surface(struct output *output, struct wlr_surface *surface,
+ double lx, double ly, bool whole)
+{
+ if (!output->wlr_output->enabled) {
+ return;
+ }
+
+ double ox = lx, oy = ly;
+ wlr_output_layout_output_coords(output->server->output_layout,
+ output->wlr_output, &ox, &oy);
+ output_surface_for_each_surface(output, surface, ox, oy,
+ damage_surface_iterator, &whole);
}
static void
-output_destroy_notify(struct wl_listener *listener, void *data)
+output_damage_frame_notify(struct wl_listener *listener, void *data)
{
- struct output *output = wl_container_of(listener, output, destroy);
+ struct output *output = wl_container_of(listener, output, damage_frame);
+
+ if (!output->wlr_output->enabled) {
+ return;
+ }
+
+ bool needs_frame;
+ pixman_region32_t damage;
+ pixman_region32_init(&damage);
+ if (!wlr_output_damage_attach_render(output->damage,
+ &needs_frame, &damage)) {
+ return;
+ }
+
+ if (needs_frame) {
+ output_render(output, &damage);
+ } else {
+ wlr_output_rollback(output->wlr_output);
+ }
+ pixman_region32_fini(&damage);
+
+ struct send_frame_done_data frame_data = {0};
+ clock_gettime(CLOCK_MONOTONIC, &frame_data.when);
+ send_frame_done(output, &frame_data);
+}
+
+static void
+output_destroy(struct output *output)
+{
+ if (!output || output->server->output_layout || !output->wlr_output) {
+ return;
+ }
wl_list_remove(&output->link);
- wl_list_remove(&output->frame.link);
wl_list_remove(&output->destroy.link);
+ wl_list_remove(&output->damage_frame.link);
+ wl_list_remove(&output->damage_destroy.link);
+
+ struct server *server = output->server;
+ wlr_output_layout_remove(server->output_layout, output->wlr_output);
free(output);
}
+static void
+output_damage_destroy_notify(struct wl_listener *listener, void *data)
+{
+ struct output *output = wl_container_of(listener, output, damage_destroy);
+ output_destroy(output);
+}
+
+static void
+output_destroy_notify(struct wl_listener *listener, void *data)
+{
+ struct output *output = wl_container_of(listener, output, destroy);
+ if (!output || !output->wlr_output || !output->damage) {
+ return;
+ }
+ wlr_output_damage_destroy(output->damage);
+ output_destroy(output);
+}
+
static void
new_output_notify(struct wl_listener *listener, void *data)
{
struct output *output = calloc(1, sizeof(struct output));
output->wlr_output = wlr_output;
output->server = server;
- output->frame.notify = output_frame_notify;
- wl_signal_add(&wlr_output->events.frame, &output->frame);
+ output->damage = wlr_output_damage_create(wlr_output);
wl_list_insert(&server->outputs, &output->link);
+
output->destroy.notify = output_destroy_notify;
wl_signal_add(&wlr_output->events.destroy, &output->destroy);
+ output->damage_frame.notify = output_damage_frame_notify;
+ wl_signal_add(&output->damage->events.frame, &output->damage_frame);
+ output->damage_destroy.notify = output_damage_destroy_notify;
+ wl_signal_add(&output->damage->events.destroy, &output->damage_destroy);
+
wl_list_init(&output->layers[0]);
wl_list_init(&output->layers[1]);
wl_list_init(&output->layers[2]);
projects / proto / labwc.git / commitdiff