diff options
Diffstat (limited to 'rootston/output.c')
| -rw-r--r-- | rootston/output.c | 673 |
1 files changed, 519 insertions, 154 deletions
diff --git a/rootston/output.c b/rootston/output.c index 1fb848b9..0e0c6114 100644 --- a/rootston/output.c +++ b/rootston/output.c @@ -2,17 +2,21 @@ #include <time.h> #include <stdlib.h> #include <stdbool.h> -#include <GLES2/gl2.h> +#include <assert.h> #include <wlr/types/wlr_output_layout.h> #include <wlr/types/wlr_compositor.h> #include <wlr/types/wlr_wl_shell.h> #include <wlr/types/wlr_xdg_shell_v6.h> #include <wlr/render/matrix.h> #include <wlr/util/log.h> +#include <wlr/util/region.h> #include "rootston/server.h" -#include "rootston/desktop.h" +#include "rootston/output.h" #include "rootston/config.h" +typedef void (*surface_iterator_func_t)(struct wlr_surface *surface, + double lx, double ly, float rotation, void *data); + /** * 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). @@ -31,66 +35,33 @@ static void rotate_child_position(double *sx, double *sy, double sw, double sh, } } -static void render_surface(struct wlr_surface *surface, - struct roots_desktop *desktop, struct wlr_output *wlr_output, - struct timespec *when, double lx, double ly, float rotation) { - if (!wlr_surface_has_buffer(surface)) { - return; - } - - int width = surface->current->width; - int height = surface->current->height; - int render_width = width * wlr_output->scale; - int render_height = height * wlr_output->scale; - double ox = lx, oy = ly; - wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy); - ox *= wlr_output->scale; - oy *= wlr_output->scale; - - struct wlr_box render_box = { - .x = lx, .y = ly, - .width = render_width, .height = render_height, - }; - if (wlr_output_layout_intersects(desktop->layout, wlr_output, &render_box)) { - struct wlr_box project_box = { - .x = ox, - .y = oy, - .width = render_width, - .height = render_height, - }; - float matrix[16]; - wlr_matrix_project_box(&matrix, &project_box, surface->current->transform, - rotation, &wlr_output->transform_matrix); - wlr_render_with_matrix(desktop->server->renderer, surface->texture, - &matrix); - - wlr_surface_send_frame_done(surface, when); - } +static void surface_for_each_surface(struct wlr_surface *surface, double lx, + double ly, float rotation, surface_iterator_func_t iterator, + void *user_data) { + iterator(surface, lx, ly, rotation, user_data); struct wlr_subsurface *subsurface; wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) { struct wlr_surface_state *state = subsurface->surface->current; double sx = state->subsurface_position.x; double sy = state->subsurface_position.y; - double sw = state->buffer_width / state->scale; - double sh = state->buffer_height / state->scale; - rotate_child_position(&sx, &sy, sw, sh, width, height, rotation); + rotate_child_position(&sx, &sy, state->width, state->height, + surface->current->width, surface->current->height, rotation); - render_surface(subsurface->surface, desktop, wlr_output, when, - lx + sx, - ly + sy, - rotation); + surface_for_each_surface(subsurface->surface, lx + sx, ly + sy, + rotation, iterator, user_data); } } -static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface, - struct roots_desktop *desktop, struct wlr_output *wlr_output, - struct timespec *when, double base_x, double base_y, float rotation) { +static void xdg_surface_v6_for_each_surface(struct wlr_xdg_surface_v6 *surface, + double base_x, double base_y, float rotation, + surface_iterator_func_t iterator, void *user_data) { double width = surface->surface->current->width; double height = surface->surface->current->height; - struct wlr_xdg_surface_v6 *popup; - wl_list_for_each(popup, &surface->popups, popup_link) { + struct wlr_xdg_popup_v6 *popup_state; + wl_list_for_each(popup_state, &surface->popups, link) { + struct wlr_xdg_surface_v6 *popup = popup_state->base; if (!popup->configured) { continue; } @@ -103,20 +74,20 @@ static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface, rotate_child_position(&popup_sx, &popup_sy, popup_width, popup_height, width, height, rotation); - render_surface(popup->surface, desktop, wlr_output, when, - base_x + popup_sx, base_y + popup_sy, rotation); - render_xdg_v6_popups(popup, desktop, wlr_output, when, - base_x + popup_sx, base_y + popup_sy, rotation); + surface_for_each_surface(popup->surface, base_x + popup_sx, + base_y + popup_sy, rotation, iterator, user_data); + xdg_surface_v6_for_each_surface(popup, base_x + popup_sx, + base_y + popup_sy, rotation, iterator, user_data); } } -static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface, - struct roots_desktop *desktop, struct wlr_output *wlr_output, - struct timespec *when, double lx, double ly, float rotation, - bool is_child) { +static void wl_shell_surface_for_each_surface( + struct wlr_wl_shell_surface *surface, double lx, double ly, + float rotation, bool is_child, surface_iterator_func_t iterator, + void *user_data) { if (is_child || surface->state != WLR_WL_SHELL_SURFACE_STATE_POPUP) { - render_surface(surface->surface, desktop, wlr_output, when, - lx, ly, rotation); + surface_for_each_surface(surface->surface, lx, ly, rotation, iterator, + user_data); double width = surface->surface->current->width; double height = surface->surface->current->height; @@ -131,32 +102,160 @@ static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface, rotate_child_position(&popup_x, &popup_y, popup_width, popup_height, width, height, rotation); - render_wl_shell_surface(popup, desktop, wlr_output, when, - lx + popup_x, ly + popup_y, rotation, true); + wl_shell_surface_for_each_surface(popup, lx + popup_x, ly + popup_y, + rotation, true, iterator, user_data); } } } +static void view_for_each_surface(struct roots_view *view, + surface_iterator_func_t iterator, void *user_data) { + switch (view->type) { + case ROOTS_XDG_SHELL_V6_VIEW: + surface_for_each_surface(view->wlr_surface, view->x, view->y, + view->rotation, iterator, user_data); + xdg_surface_v6_for_each_surface(view->xdg_surface_v6, view->x, view->y, + view->rotation, iterator, user_data); + break; + case ROOTS_WL_SHELL_VIEW: + wl_shell_surface_for_each_surface(view->wl_shell_surface, view->x, + view->y, view->rotation, false, iterator, user_data); + break; +#ifdef WLR_HAS_XWAYLAND + case ROOTS_XWAYLAND_VIEW: + if (view->wlr_surface != NULL) { + surface_for_each_surface(view->wlr_surface, view->x, view->y, + view->rotation, iterator, user_data); + } + break; +#endif + } +} + #ifdef WLR_HAS_XWAYLAND -static void render_xwayland_children(struct wlr_xwayland_surface *surface, - struct roots_desktop *desktop, struct wlr_output *wlr_output, - struct timespec *when) { +static void xwayland_children_for_each_surface( + struct wlr_xwayland_surface *surface, + surface_iterator_func_t iterator, void *user_data) { struct wlr_xwayland_surface *child; wl_list_for_each(child, &surface->children, parent_link) { if (child->surface != NULL && child->added) { - render_surface(child->surface, desktop, wlr_output, when, - child->x, child->y, 0); + surface_for_each_surface(child->surface, child->x, child->y, 0, + iterator, user_data); } - render_xwayland_children(child, desktop, wlr_output, when); + xwayland_children_for_each_surface(child, iterator, user_data); } } #endif -static void render_decorations(struct roots_view *view, - struct roots_desktop *desktop, struct wlr_output *output) { - if (!view->decorated) { + +struct render_data { + struct roots_output *output; + struct timespec *when; + pixman_region32_t *damage; +}; + +/** + * Checks whether a surface at (lx, ly) intersects an output. Sets `box` to the + * surface box in the output, in output-local coordinates. + */ +static bool surface_intersect_output(struct wlr_surface *surface, + struct wlr_output_layout *output_layout, struct wlr_output *wlr_output, + double lx, double ly, float rotation, struct wlr_box *box) { + double ox = lx, oy = ly; + wlr_output_layout_output_coords(output_layout, wlr_output, &ox, &oy); + box->x = ox * wlr_output->scale; + box->y = oy * wlr_output->scale; + box->width = surface->current->width * wlr_output->scale; + box->height = surface->current->height * wlr_output->scale; + + struct wlr_box layout_box = { + .x = lx, .y = ly, + .width = surface->current->width, .height = surface->current->height, + }; + wlr_box_rotated_bounds(&layout_box, -rotation, &layout_box); + return wlr_output_layout_intersects(output_layout, wlr_output, &layout_box); +} + +static void scissor_output(struct roots_output *output, pixman_box32_t *rect) { + struct wlr_output *wlr_output = output->wlr_output; + struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend); + assert(renderer); + + struct wlr_box box = { + .x = rect->x1, + .y = rect->y1, + .width = rect->x2 - rect->x1, + .height = rect->y2 - rect->y1, + }; + + int ow, oh; + wlr_output_transformed_resolution(output->wlr_output, &ow, &oh); + + // Scissor is in renderer coordinates, ie. upside down + enum wl_output_transform transform = wlr_output_transform_compose( + wlr_output_transform_invert(wlr_output->transform), + WL_OUTPUT_TRANSFORM_FLIPPED_180); + wlr_box_transform(&box, transform, ow, oh, &box); + + wlr_renderer_scissor(renderer, &box); +} + +static void render_surface(struct wlr_surface *surface, double lx, double ly, + float rotation, void *_data) { + struct render_data *data = _data; + struct roots_output *output = data->output; + struct timespec *when = data->when; + struct wlr_renderer *renderer = + wlr_backend_get_renderer(output->wlr_output->backend); + assert(renderer); + + if (!wlr_surface_has_buffer(surface)) { + return; + } + + struct wlr_box box; + bool intersects = surface_intersect_output(surface, output->desktop->layout, + output->wlr_output, lx, ly, rotation, &box); + if (!intersects) { return; } + + struct wlr_box rotated; + wlr_box_rotated_bounds(&box, -rotation, &rotated); + + pixman_region32_t damage; + pixman_region32_init(&damage); + pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y, + rotated.width, rotated.height); + pixman_region32_intersect(&damage, &damage, data->damage); + bool damaged = pixman_region32_not_empty(&damage); + if (!damaged) { + goto damage_finish; + } + + float matrix[16]; + enum wl_output_transform transform = + wlr_output_transform_invert(surface->current->transform); + wlr_matrix_project_box(&matrix, &box, transform, rotation, + &output->wlr_output->transform_matrix); + + int nrects; + pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects); + for (int i = 0; i < nrects; ++i) { + scissor_output(output, &rects[i]); + wlr_render_with_matrix(renderer, surface->texture, &matrix); + } + + wlr_surface_send_frame_done(surface, when); + +damage_finish: + pixman_region32_fini(&damage); +} + +static 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->x; @@ -164,49 +263,70 @@ static void render_decorations(struct roots_view *view, rotate_child_position(&sx, &sy, deco_box.width, deco_box.height, view->wlr_surface->current->width, view->wlr_surface->current->height, view->rotation); - double ox = sx + view->x; - double oy = sy + view->y; - - wlr_output_layout_output_coords(desktop->layout, output, &ox, &oy); - ox *= output->scale; - oy *= output->scale; - - struct wlr_box project_box = { - .x = ox, - .y = oy, - .width = deco_box.width, - .height = deco_box.height, - }; + double x = sx + view->x; + double y = sy + view->y; - float matrix[16]; - wlr_matrix_project_box(&matrix, &project_box, WL_OUTPUT_TRANSFORM_NORMAL, - view->rotation, &output->transform_matrix); - float color[4] = { 0.2, 0.2, 0.2, 1 }; - wlr_render_colored_quad(desktop->server->renderer, &color, &matrix); + 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; } -static void render_view(struct roots_view *view, struct roots_desktop *desktop, - struct wlr_output *wlr_output, struct timespec *when) { - render_decorations(view, desktop, wlr_output); +static void render_decorations(struct roots_view *view, + struct render_data *data) { + if (!view->decorated || view->wlr_surface == NULL) { + return; + } - switch (view->type) { - case ROOTS_XDG_SHELL_V6_VIEW: - render_surface(view->wlr_surface, desktop, wlr_output, when, - view->x, view->y, view->rotation); - render_xdg_v6_popups(view->xdg_surface_v6, desktop, wlr_output, - when, view->x, view->y, view->rotation); - break; - case ROOTS_WL_SHELL_VIEW: - render_wl_shell_surface(view->wl_shell_surface, desktop, wlr_output, - when, view->x, view->y, view->rotation, false); - break; -#ifdef WLR_HAS_XWAYLAND - case ROOTS_XWAYLAND_VIEW: - render_surface(view->wlr_surface, desktop, wlr_output, when, - view->x, view->y, view->rotation); - break; -#endif + struct roots_output *output = data->output; + struct wlr_renderer *renderer = + wlr_backend_get_renderer(output->wlr_output->backend); + assert(renderer); + + struct wlr_box box; + get_decoration_box(view, output, &box); + + struct wlr_box rotated; + wlr_box_rotated_bounds(&box, -view->rotation, &rotated); + + pixman_region32_t damage; + pixman_region32_init(&damage); + pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y, + rotated.width, rotated.height); + pixman_region32_intersect(&damage, &damage, data->damage); + bool damaged = pixman_region32_not_empty(&damage); + if (!damaged) { + goto damage_finish; + } + + float matrix[16]; + wlr_matrix_project_box(&matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, + view->rotation, &output->wlr_output->transform_matrix); + float color[] = { 0.2, 0.2, 0.2, 1 }; + + int nrects; + pixman_box32_t *rects = + pixman_region32_rectangles(&damage, &nrects); + for (int i = 0; i < nrects; ++i) { + scissor_output(output, &rects[i]); + wlr_render_colored_quad(renderer, &color, &matrix); + } + +damage_finish: + pixman_region32_fini(&damage); +} + +static void render_view(struct roots_view *view, struct render_data *data) { + // Do not render views fullscreened on other outputs + if (view->fullscreen_output != NULL && + view->fullscreen_output != data->output) { + return; } + + render_decorations(view, data); + view_for_each_surface(view, render_surface, data); } static bool has_standalone_surface(struct roots_view *view) { @@ -227,11 +347,12 @@ static bool has_standalone_surface(struct roots_view *view) { return true; } -static void output_frame_notify(struct wl_listener *listener, void *data) { - struct wlr_output *wlr_output = data; - struct roots_output *output = wl_container_of(listener, output, frame); +static void render_output(struct roots_output *output) { + struct wlr_output *wlr_output = output->wlr_output; struct roots_desktop *desktop = output->desktop; struct roots_server *server = desktop->server; + struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend); + assert(renderer); if (!wlr_output->enabled) { return; @@ -240,9 +361,9 @@ static void output_frame_notify(struct wl_listener *listener, void *data) { struct timespec now; clock_gettime(CLOCK_MONOTONIC, &now); - wlr_output_make_current(wlr_output); - wlr_renderer_begin(server->renderer, wlr_output); + float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f}; + // Check if we can delegate the fullscreen surface to the output if (output->fullscreen_view != NULL) { struct roots_view *view = output->fullscreen_view; @@ -261,65 +382,292 @@ static void output_frame_notify(struct wl_listener *listener, void *data) { wlr_output_set_fullscreen_surface(wlr_output, view->wlr_surface); } else { wlr_output_set_fullscreen_surface(wlr_output, NULL); + } + + // Fullscreen views are rendered on a black background + clear_color[0] = clear_color[1] = clear_color[2] = 0; + } else { + wlr_output_set_fullscreen_surface(wlr_output, NULL); + } + + int buffer_age = -1; + if (!wlr_output_make_current(wlr_output, &buffer_age)) { + return; + } + + int width, height; + wlr_output_transformed_resolution(output->wlr_output, &width, &height); - glClearColor(0, 0, 0, 0); - glClear(GL_COLOR_BUFFER_BIT); + // Check if we can use damage tracking + pixman_region32_t damage; + pixman_region32_init(&damage); + if (buffer_age <= 0 || buffer_age - 1 > ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN) { + // Buffer new or too old, damage the whole output + pixman_region32_union_rect(&damage, &damage, 0, 0, width, height); + } else { + pixman_region32_copy(&damage, &output->damage); - render_view(view, desktop, wlr_output, &now); + // Accumulate damage from old buffers + size_t idx = output->previous_damage_idx; + for (int i = 0; i < buffer_age - 1; ++i) { + int j = (idx + i) % ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN; + pixman_region32_union(&damage, &damage, &output->previous_damage[j]); + } + } + pixman_region32_intersect_rect(&damage, &damage, 0, 0, width, height); - // During normal rendering the xwayland window tree isn't traversed - // because all windows are rendered. Here we only want to render - // the fullscreen window's children so we have to traverse the tree. + if (!pixman_region32_not_empty(&damage) && !wlr_output->needs_swap) { + // Output doesn't need swap and isn't damaged, skip rendering completely + goto damage_finish; + } + + struct render_data data = { + .output = output, + .when = &now, + .damage = &damage, + }; + + wlr_renderer_begin(renderer, wlr_output); + + if (!pixman_region32_not_empty(&damage)) { + // Output isn't damaged but needs buffer swap + goto renderer_end; + } + + int nrects; + pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects); + for (int i = 0; i < nrects; ++i) { + scissor_output(output, &rects[i]); + wlr_renderer_clear(renderer, &clear_color); + } + + // If a view is fullscreen on this output, render it + if (output->fullscreen_view != NULL) { + struct roots_view *view = output->fullscreen_view; + + if (wlr_output->fullscreen_surface == view->wlr_surface) { + // The output will render the fullscreen view + goto renderer_end; + } + + view_for_each_surface(view, render_surface, &data); + + // During normal rendering the xwayland window tree isn't traversed + // because all windows are rendered. Here we only want to render + // the fullscreen window's children so we have to traverse the tree. #ifdef WLR_HAS_XWAYLAND - if (view->type == ROOTS_XWAYLAND_VIEW) { - render_xwayland_children(view->xwayland_surface, desktop, - wlr_output, &now); - } -#endif + if (view->type == ROOTS_XWAYLAND_VIEW) { + xwayland_children_for_each_surface(view->xwayland_surface, + render_surface, &data); } - wlr_renderer_end(server->renderer); - wlr_output_swap_buffers(wlr_output); - output->last_frame = desktop->last_frame = now; - return; - } else { - wlr_output_set_fullscreen_surface(wlr_output, NULL); +#endif + + goto renderer_end; } + // Render all views struct roots_view *view; wl_list_for_each_reverse(view, &desktop->views, link) { - render_view(view, desktop, wlr_output, &now); + render_view(view, &data); } - struct wlr_drag_icon *drag_icon = NULL; + // Render drag icons + struct roots_drag_icon *drag_icon = NULL; struct roots_seat *seat = NULL; wl_list_for_each(seat, &server->input->seats, link) { - wl_list_for_each(drag_icon, &seat->seat->drag_icons, link) { - if (!drag_icon->mapped) { + wl_list_for_each(drag_icon, &seat->drag_icons, link) { + if (!drag_icon->wlr_drag_icon->mapped) { continue; } - struct wlr_surface *icon = drag_icon->surface; - struct wlr_cursor *cursor = seat->cursor->cursor; - double icon_x = 0, icon_y = 0; - if (drag_icon->is_pointer) { - icon_x = cursor->x + drag_icon->sx; - icon_y = cursor->y + drag_icon->sy; - render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0); - } else { - struct wlr_touch_point *point = - wlr_seat_touch_get_point(seat->seat, drag_icon->touch_id); - if (point) { - icon_x = seat->touch_x + drag_icon->sx; - icon_y = seat->touch_y + drag_icon->sy; - render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0); - } + render_surface(drag_icon->wlr_drag_icon->surface, + drag_icon->x, drag_icon->y, 0, &data); + } + } + +renderer_end: + wlr_renderer_scissor(renderer, NULL); + wlr_renderer_end(renderer); + if (!wlr_output_swap_buffers(wlr_output, &now, &damage)) { + goto damage_finish; + } + // same as decrementing, but works on unsigned integers + output->previous_damage_idx += ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN - 1; + output->previous_damage_idx %= ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN; + pixman_region32_copy(&output->previous_damage[output->previous_damage_idx], + &output->damage); + pixman_region32_clear(&output->damage); + output->last_frame = desktop->last_frame = now; + +damage_finish: + pixman_region32_fini(&damage); +} + +static void output_handle_frame(struct wl_listener *listener, void *data) { + struct roots_output *output = wl_container_of(listener, output, frame); + render_output(output); +} + +void output_damage_whole(struct roots_output *output) { + int width, height; + wlr_output_transformed_resolution(output->wlr_output, &width, &height); + + pixman_region32_union_rect(&output->damage, &output->damage, 0, 0, + width, height); + + wlr_output_schedule_frame(output->wlr_output); +} + +static bool view_accept_damage(struct roots_output *output, + struct roots_view *view) { + if (output->fullscreen_view == NULL) { + return true; + } + if (output->fullscreen_view == view) { + return true; + } +#ifdef 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 = view->xwayland_surface; + while (xsurface != NULL) { + if (output->fullscreen_view->xwayland_surface == xsurface) { + return true; } + xsurface = xsurface->parent; } } +#endif + return false; +} + +static void damage_whole_surface(struct wlr_surface *surface, + double lx, double ly, float rotation, void *data) { + struct roots_output *output = data; + + if (!wlr_surface_has_buffer(surface)) { + return; + } - wlr_renderer_end(server->renderer); - wlr_output_swap_buffers(wlr_output); + int ow, oh; + wlr_output_transformed_resolution(output->wlr_output, &ow, &oh); - output->last_frame = desktop->last_frame = now; + struct wlr_box box; + bool intersects = surface_intersect_output(surface, output->desktop->layout, + output->wlr_output, lx, ly, rotation, &box); + if (!intersects) { + return; + } + + wlr_box_rotated_bounds(&box, -rotation, &box); + + pixman_region32_union_rect(&output->damage, &output->damage, + box.x, box.y, box.width, box.height); + + wlr_output_schedule_frame(output->wlr_output); +} + +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, -view->rotation, &box); + + pixman_region32_union_rect(&output->damage, &output->damage, + box.x, box.y, box.width, box.height); +} + +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); + view_for_each_surface(view, damage_whole_surface, output); +} + +void output_damage_whole_drag_icon(struct roots_output *output, + struct roots_drag_icon *icon) { + surface_for_each_surface(icon->wlr_drag_icon->surface, icon->x, icon->y, 0, + damage_whole_surface, output); +} + +static void damage_from_surface(struct wlr_surface *surface, + double lx, double ly, float rotation, void *data) { + struct roots_output *output = data; + struct wlr_output *wlr_output = output->wlr_output; + + if (!wlr_surface_has_buffer(surface)) { + return; + } + + int ow, oh; + wlr_output_transformed_resolution(wlr_output, &ow, &oh); + + struct wlr_box box; + surface_intersect_output(surface, output->desktop->layout, + wlr_output, lx, ly, rotation, &box); + + if (rotation == 0) { + pixman_region32_t damage; + pixman_region32_init(&damage); + pixman_region32_copy(&damage, &surface->current->surface_damage); + wlr_region_scale(&damage, &damage, wlr_output->scale); + if (ceil(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(wlr_output->scale) - surface->current->scale); + } + pixman_region32_translate(&damage, box.x, box.y); + pixman_region32_union(&output->damage, &output->damage, &damage); + pixman_region32_fini(&damage); + } else { + pixman_box32_t *extents = + pixman_region32_extents(&surface->current->surface_damage); + struct wlr_box damage_box = { + .x = box.x + extents->x1 * wlr_output->scale, + .y = box.y + extents->y1 * wlr_output->scale, + .width = (extents->x2 - extents->x1) * wlr_output->scale, + .height = (extents->y2 - extents->y1) * wlr_output->scale, + }; + wlr_box_rotated_bounds(&damage_box, -rotation, &damage_box); + pixman_region32_union_rect(&output->damage, &output->damage, + damage_box.x, damage_box.y, damage_box.width, damage_box.height); + } + + pixman_region32_intersect_rect(&output->damage, &output->damage, 0, 0, + ow, oh); + + wlr_output_schedule_frame(wlr_output); +} + +void output_damage_from_view(struct roots_output *output, + struct roots_view *view) { + if (!view_accept_damage(output, view)) { + return; + } + + view_for_each_surface(view, damage_from_surface, output); +} + +static void output_handle_mode(struct wl_listener *listener, void *data) { + struct roots_output *output = wl_container_of(listener, output, mode); + output_damage_whole(output); +} + +static void output_handle_needs_swap(struct wl_listener *listener, void *data) { + struct roots_output *output = + wl_container_of(listener, output, needs_swap); + pixman_region32_union(&output->damage, &output->damage, + &output->wlr_output->damage); + wlr_output_schedule_frame(output->wlr_output); } static void set_mode(struct wlr_output *output, @@ -372,9 +720,18 @@ void output_add_notify(struct wl_listener *listener, void *data) { clock_gettime(CLOCK_MONOTONIC, &output->last_frame); output->desktop = desktop; output->wlr_output = wlr_output; - output->frame.notify = output_frame_notify; - wl_signal_add(&wlr_output->events.frame, &output->frame); wl_list_insert(&desktop->outputs, &output->link); + pixman_region32_init(&output->damage); + for (size_t i = 0; i < ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN; ++i) { + pixman_region32_init(&output->previous_damage[i]); + } + + output->frame.notify = output_handle_frame; + wl_signal_add(&wlr_output->events.frame, &output->frame); + output->mode.notify = output_handle_mode; + wl_signal_add(&wlr_output->events.mode, &output->mode); + output->needs_swap.notify = output_handle_needs_swap; + wl_signal_add(&wlr_output->events.needs_swap, &output->needs_swap); struct roots_output_config *output_config = roots_config_get_output(config, wlr_output); @@ -399,6 +756,8 @@ void output_add_notify(struct wl_listener *listener, void *data) { roots_seat_configure_cursor(seat); roots_seat_configure_xcursor(seat); } + + output_damage_whole(output); } void output_remove_notify(struct wl_listener *listener, void *data) { @@ -423,7 +782,13 @@ void output_remove_notify(struct wl_listener *listener, void *data) { //example_config_configure_cursor(sample->config, sample->cursor, // sample->compositor); + pixman_region32_fini(&output->damage); + for (size_t i = 0; i < ROOTS_OUTPUT_PREVIOUS_DAMAGE_LEN; ++i) { + pixman_region32_fini(&output->previous_damage[i]); + } wl_list_remove(&output->link); wl_list_remove(&output->frame.link); + wl_list_remove(&output->mode.link); + wl_list_remove(&output->needs_swap.link); free(output); } |