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-rw-r--r--sway/desktop/render.c893
1 files changed, 893 insertions, 0 deletions
diff --git a/sway/desktop/render.c b/sway/desktop/render.c
new file mode 100644
index 00000000..43948f29
--- /dev/null
+++ b/sway/desktop/render.c
@@ -0,0 +1,893 @@
+#define _POSIX_C_SOURCE 200809L
+#include <assert.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <time.h>
+#include <wayland-server.h>
+#include <wlr/render/wlr_renderer.h>
+#include <wlr/types/wlr_box.h>
+#include <wlr/types/wlr_buffer.h>
+#include <wlr/types/wlr_matrix.h>
+#include <wlr/types/wlr_output_damage.h>
+#include <wlr/types/wlr_output_layout.h>
+#include <wlr/types/wlr_output.h>
+#include <wlr/types/wlr_surface.h>
+#include <wlr/util/region.h>
+#include "log.h"
+#include "sway/config.h"
+#include "sway/input/input-manager.h"
+#include "sway/input/seat.h"
+#include "sway/layers.h"
+#include "sway/output.h"
+#include "sway/server.h"
+#include "sway/tree/arrange.h"
+#include "sway/tree/container.h"
+#include "sway/tree/layout.h"
+#include "sway/tree/view.h"
+#include "sway/tree/workspace.h"
+
+struct render_data {
+ struct root_geometry root_geo;
+ struct sway_output *output;
+ pixman_region32_t *damage;
+ struct sway_view *view;
+ float alpha;
+};
+
+static void scale_box(struct wlr_box *box, float scale) {
+ box->x *= scale;
+ box->y *= scale;
+ box->width *= scale;
+ box->height *= scale;
+}
+
+static void scissor_output(struct wlr_output *wlr_output,
+ pixman_box32_t *rect) {
+ 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(wlr_output, &ow, &oh);
+
+ enum wl_output_transform transform =
+ wlr_output_transform_invert(wlr_output->transform);
+ wlr_box_transform(&box, transform, ow, oh, &box);
+
+ 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], float alpha) {
+ 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);
+ 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_texture_with_matrix(renderer, texture, matrix, alpha);
+ }
+
+damage_finish:
+ pixman_region32_fini(&damage);
+}
+
+static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
+ void *_data) {
+ struct render_data *data = _data;
+ struct wlr_output *wlr_output = data->output->wlr_output;
+ float rotation = data->root_geo.rotation;
+ pixman_region32_t *output_damage = data->damage;
+ float alpha = data->alpha;
+
+ struct wlr_texture *texture = wlr_surface_get_texture(surface);
+ if (!texture) {
+ return;
+ }
+
+ struct wlr_box box;
+ bool intersects = output_get_surface_box(&data->root_geo, data->output,
+ surface, sx, sy, &box);
+ if (!intersects) {
+ 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, rotation,
+ wlr_output->transform_matrix);
+
+ render_texture(wlr_output, output_damage, texture, &box, matrix, alpha);
+}
+
+static void render_layer(struct sway_output *output,
+ pixman_region32_t *damage, struct wl_list *layer_surfaces) {
+ struct render_data data = {
+ .output = output,
+ .damage = damage,
+ .alpha = 1.0f,
+ };
+ output_layer_for_each_surface(layer_surfaces, &data.root_geo,
+ render_surface_iterator, &data);
+}
+
+static void render_unmanaged(struct sway_output *output,
+ pixman_region32_t *damage, struct wl_list *unmanaged) {
+ struct render_data data = {
+ .output = output,
+ .damage = damage,
+ .alpha = 1.0f,
+ };
+ output_unmanaged_for_each_surface(unmanaged, output, &data.root_geo,
+ render_surface_iterator, &data);
+}
+
+static void render_drag_icons(struct sway_output *output,
+ pixman_region32_t *damage, struct wl_list *drag_icons) {
+ struct render_data data = {
+ .output = output,
+ .damage = damage,
+ .alpha = 1.0f,
+ };
+ output_drag_icons_for_each_surface(drag_icons, output, &data.root_geo,
+ render_surface_iterator, &data);
+}
+
+static void render_rect(struct wlr_output *wlr_output,
+ pixman_region32_t *output_damage, const struct wlr_box *_box,
+ float color[static 4]) {
+ struct wlr_renderer *renderer =
+ wlr_backend_get_renderer(wlr_output->backend);
+
+ struct wlr_box box;
+ memcpy(&box, _box, sizeof(struct wlr_box));
+ box.x -= wlr_output->lx * wlr_output->scale;
+ box.y -= wlr_output->ly * wlr_output->scale;
+
+ 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);
+}
+
+static void premultiply_alpha(float color[4], float opacity) {
+ color[3] *= opacity;
+ color[0] *= color[3];
+ color[1] *= color[3];
+ color[2] *= color[3];
+}
+
+static void render_view_surfaces(struct sway_view *view,
+ struct sway_output *output, pixman_region32_t *damage, float alpha) {
+ struct render_data data = {
+ .output = output,
+ .damage = damage,
+ .view = view,
+ .alpha = alpha,
+ };
+ output_view_for_each_surface(view, output, &data.root_geo,
+ render_surface_iterator, &data);
+}
+
+static void render_saved_view(struct sway_view *view,
+ struct sway_output *output, pixman_region32_t *damage, float alpha) {
+ struct wlr_output *wlr_output = output->wlr_output;
+
+ int width, height;
+ struct wlr_texture *texture =
+ transaction_get_saved_texture(view, &width, &height);
+ if (!texture) {
+ return;
+ }
+ struct wlr_box box = {
+ .x = view->swayc->current.view_x - output->swayc->current.swayc_x,
+ .y = view->swayc->current.view_y - output->swayc->current.swayc_y,
+ .width = width,
+ .height = height,
+ };
+
+ struct wlr_box output_box = {
+ .width = output->swayc->current.swayc_width,
+ .height = output->swayc->current.swayc_height,
+ };
+
+ struct wlr_box intersection;
+ bool intersects = wlr_box_intersection(&output_box, &box, &intersection);
+ if (!intersects) {
+ return;
+ }
+
+ scale_box(&box, wlr_output->scale);
+
+ float matrix[9];
+ wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
+ wlr_output->transform_matrix);
+
+ render_texture(wlr_output, damage, texture, &box, matrix, alpha);
+}
+
+/**
+ * Render a view's surface and left/bottom/right borders.
+ */
+static void render_view(struct sway_output *output, pixman_region32_t *damage,
+ struct sway_container *con, struct border_colors *colors) {
+ struct sway_view *view = con->sway_view;
+ if (view->swayc->instructions->length) {
+ render_saved_view(view, output, damage, view->swayc->alpha);
+ } else {
+ render_view_surfaces(view, output, damage, view->swayc->alpha);
+ }
+
+ struct wlr_box box;
+ float output_scale = output->wlr_output->scale;
+ float color[4];
+ struct sway_container_state *state = &con->current;
+
+ if (state->border != B_NONE) {
+ if (state->border_left) {
+ memcpy(&color, colors->child_border, sizeof(float) * 4);
+ premultiply_alpha(color, con->alpha);
+ box.x = state->swayc_x;
+ box.y = state->view_y;
+ box.width = state->border_thickness;
+ box.height = state->view_height;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, damage, &box, color);
+ }
+
+ if (state->border_right) {
+ if (state->parent->current.children->length == 1
+ && state->parent->current.layout == L_HORIZ) {
+ memcpy(&color, colors->indicator, sizeof(float) * 4);
+ } else {
+ memcpy(&color, colors->child_border, sizeof(float) * 4);
+ }
+ premultiply_alpha(color, con->alpha);
+ box.x = state->view_x + state->view_width;
+ box.y = state->view_y;
+ box.width = state->border_thickness;
+ box.height = state->view_height;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, damage, &box, color);
+ }
+
+ if (state->border_bottom) {
+ if (state->parent->current.children->length == 1
+ && con->current.parent->current.layout == L_VERT) {
+ memcpy(&color, colors->indicator, sizeof(float) * 4);
+ } else {
+ memcpy(&color, colors->child_border, sizeof(float) * 4);
+ }
+ premultiply_alpha(color, con->alpha);
+ box.x = state->swayc_x;
+ box.y = state->view_y + state->view_height;
+ box.width = state->swayc_width;
+ box.height = state->border_thickness;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, damage, &box, color);
+ }
+ }
+}
+
+/**
+ * Render a titlebar.
+ *
+ * Care must be taken not to render over the same pixel multiple times,
+ * otherwise the colors will be incorrect when using opacity.
+ *
+ * The height is: 1px border, 3px padding, font height, 3px padding, 1px border
+ * The left side for L_TABBED is: 1px border, 2px padding, title
+ * The left side for other layouts is: 3px padding, title
+ */
+static void render_titlebar(struct sway_output *output,
+ pixman_region32_t *output_damage, struct sway_container *con,
+ int x, int y, int width,
+ struct border_colors *colors, struct wlr_texture *title_texture,
+ struct wlr_texture *marks_texture) {
+ struct wlr_box box;
+ float color[4];
+ struct sway_container_state *state = &con->current;
+ float output_scale = output->wlr_output->scale;
+ enum sway_container_layout layout = state->parent->current.layout;
+ list_t *children = state->parent->current.children;
+ bool is_last_child = children->items[children->length - 1] == con;
+ double output_x = output->swayc->current.swayc_x;
+ double output_y = output->swayc->current.swayc_y;
+
+ // Single pixel bar above title
+ memcpy(&color, colors->border, sizeof(float) * 4);
+ premultiply_alpha(color, con->alpha);
+ box.x = x;
+ box.y = y;
+ box.width = width;
+ box.height = TITLEBAR_BORDER_THICKNESS;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ // Single pixel bar below title
+ size_t left_offset = 0, right_offset = 0;
+ bool connects_sides = false;
+ if (layout == L_HORIZ || layout == L_VERT ||
+ (layout == L_STACKED && is_last_child)) {
+ if (con->type == C_VIEW) {
+ left_offset = state->border_left * state->border_thickness;
+ right_offset = state->border_right * state->border_thickness;
+ connects_sides = true;
+ }
+ }
+ box.x = x + left_offset;
+ box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
+ box.width = width - left_offset - right_offset;
+ box.height = TITLEBAR_BORDER_THICKNESS;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ if (layout == L_TABBED) {
+ // Single pixel left edge
+ box.x = x;
+ box.y = y + TITLEBAR_BORDER_THICKNESS;
+ box.width = TITLEBAR_BORDER_THICKNESS;
+ box.height =
+ container_titlebar_height() - TITLEBAR_BORDER_THICKNESS * 2;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ // Single pixel right edge
+ box.x = (x + width - TITLEBAR_BORDER_THICKNESS) * output_scale;
+ render_rect(output->wlr_output, output_damage, &box, color);
+ }
+
+ size_t inner_width = width - TITLEBAR_H_PADDING * 2;
+
+ // Marks
+ size_t marks_ob_width = 0; // output-buffer-local
+ if (config->show_marks && marks_texture) {
+ struct wlr_box texture_box;
+ wlr_texture_get_size(marks_texture,
+ &texture_box.width, &texture_box.height);
+ texture_box.x = (x - output_x + width - TITLEBAR_H_PADDING)
+ * output_scale - texture_box.width;
+ texture_box.y = (y - output_y + TITLEBAR_V_PADDING) * output_scale;
+
+ float matrix[9];
+ wlr_matrix_project_box(matrix, &texture_box,
+ WL_OUTPUT_TRANSFORM_NORMAL,
+ 0.0, output->wlr_output->transform_matrix);
+
+ if (inner_width * output_scale < texture_box.width) {
+ texture_box.width = inner_width * output_scale;
+ }
+ render_texture(output->wlr_output, output_damage, marks_texture,
+ &texture_box, matrix, con->alpha);
+ marks_ob_width = texture_box.width;
+
+ // Gap between the marks and bottom padding, for when the marks texture
+ // height is smaller than the config's font height
+ memcpy(&color, colors->background, sizeof(float) * 4);
+ premultiply_alpha(color, con->alpha);
+ box.x = texture_box.x;
+ box.y = texture_box.y + texture_box.height;
+ box.width = texture_box.width;
+ box.height = config->font_height * output_scale - texture_box.height;
+ if (box.height > 0) {
+ render_rect(output->wlr_output, output_damage, &box, color);
+ }
+ }
+
+ // Title text
+ size_t title_ob_width = 0; // output-buffer-local
+ if (title_texture) {
+ struct wlr_box texture_box;
+ wlr_texture_get_size(title_texture,
+ &texture_box.width, &texture_box.height);
+ texture_box.x = (x - output_x + TITLEBAR_H_PADDING) * output_scale;
+ texture_box.y = (y - output_y + TITLEBAR_V_PADDING) * output_scale;
+
+ float matrix[9];
+ wlr_matrix_project_box(matrix, &texture_box,
+ WL_OUTPUT_TRANSFORM_NORMAL,
+ 0.0, output->wlr_output->transform_matrix);
+
+ if (inner_width * output_scale - marks_ob_width < texture_box.width) {
+ texture_box.width = inner_width * output_scale - marks_ob_width;
+ }
+ render_texture(output->wlr_output, output_damage, title_texture,
+ &texture_box, matrix, con->alpha);
+ title_ob_width = texture_box.width;
+
+ // Gap between the title and bottom padding, for when the title texture
+ // height is smaller than the config's font height
+ memcpy(&color, colors->background, sizeof(float) * 4);
+ premultiply_alpha(color, con->alpha);
+ box.x = texture_box.x;
+ box.y = texture_box.y + texture_box.height;
+ box.width = texture_box.width;
+ box.height = config->font_height * output_scale - texture_box.height;
+ if (box.height > 0) {
+ render_rect(output->wlr_output, output_damage, &box, color);
+ }
+ }
+
+ // Padding above title
+ memcpy(&color, colors->background, sizeof(float) * 4);
+ premultiply_alpha(color, con->alpha);
+ box.x = x + (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
+ box.y = y + TITLEBAR_BORDER_THICKNESS;
+ box.width = width - (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS * 2;
+ box.height = TITLEBAR_V_PADDING - TITLEBAR_BORDER_THICKNESS;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ // Padding below title
+ box.y = (y + TITLEBAR_V_PADDING + config->font_height) * output_scale;
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ // Filler between title and marks
+ box.width = inner_width * output_scale - title_ob_width - marks_ob_width;
+ if (box.width > 0) {
+ box.x = (x + TITLEBAR_H_PADDING) * output_scale + title_ob_width;
+ box.y = (y + TITLEBAR_V_PADDING) * output_scale;
+ box.height = config->font_height * output_scale;
+ render_rect(output->wlr_output, output_damage, &box, color);
+ }
+
+ // Padding left of title
+ left_offset = (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
+ box.x = x + left_offset;
+ box.y = y + TITLEBAR_V_PADDING;
+ box.width = TITLEBAR_H_PADDING - left_offset;
+ box.height = config->font_height;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ // Padding right of marks
+ right_offset = (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
+ box.x = x + width - TITLEBAR_H_PADDING;
+ box.y = y + TITLEBAR_V_PADDING;
+ box.width = TITLEBAR_H_PADDING - right_offset;
+ box.height = config->font_height;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ if (connects_sides) {
+ // Left pixel in line with bottom bar
+ box.x = x;
+ box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
+ box.width = state->border_thickness * state->border_left;
+ box.height = TITLEBAR_BORDER_THICKNESS;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+
+ // Right pixel in line with bottom bar
+ box.x = x + width - state->border_thickness * state->border_right;
+ box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
+ box.width = state->border_thickness * state->border_right;
+ box.height = TITLEBAR_BORDER_THICKNESS;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+ }
+}
+
+/**
+ * Render the top border line for a view using "border pixel".
+ */
+static void render_top_border(struct sway_output *output,
+ pixman_region32_t *output_damage, struct sway_container *con,
+ struct border_colors *colors) {
+ struct sway_container_state *state = &con->current;
+ if (!state->border_top) {
+ return;
+ }
+ struct wlr_box box;
+ float color[4];
+ float output_scale = output->wlr_output->scale;
+
+ // Child border - top edge
+ memcpy(&color, colors->child_border, sizeof(float) * 4);
+ premultiply_alpha(color, con->alpha);
+ box.x = state->swayc_x;
+ box.y = state->swayc_y;
+ box.width = state->swayc_width;
+ box.height = state->border_thickness;
+ scale_box(&box, output_scale);
+ render_rect(output->wlr_output, output_damage, &box, color);
+}
+
+static void render_container(struct sway_output *output,
+ pixman_region32_t *damage, struct sway_container *con, bool parent_focused);
+
+/**
+ * Render a container's children using a L_HORIZ or L_VERT layout.
+ *
+ * Wrap child views in borders and leave child containers borderless because
+ * they'll apply their own borders to their children.
+ */
+static void render_container_simple(struct sway_output *output,
+ pixman_region32_t *damage, struct sway_container *con,
+ bool parent_focused) {
+ struct sway_seat *seat = input_manager_current_seat(input_manager);
+ struct sway_container *focus = seat_get_focus(seat);
+
+ for (int i = 0; i < con->current.children->length; ++i) {
+ struct sway_container *child = con->current.children->items[i];
+
+ if (child->type == C_VIEW) {
+ struct sway_view *view = child->sway_view;
+ struct border_colors *colors;
+ struct wlr_texture *title_texture;
+ struct wlr_texture *marks_texture;
+ struct sway_container_state *state = &child->current;
+
+ if (focus == child || parent_focused) {
+ colors = &config->border_colors.focused;
+ title_texture = child->title_focused;
+ marks_texture = view->marks_focused;
+ } else if (seat_get_focus_inactive(seat, con) == child) {
+ colors = &config->border_colors.focused_inactive;
+ title_texture = child->title_focused_inactive;
+ marks_texture = view->marks_focused_inactive;
+ } else {
+ colors = &config->border_colors.unfocused;
+ title_texture = child->title_unfocused;
+ marks_texture = view->marks_unfocused;
+ }
+
+ if (state->border == B_NORMAL) {
+ render_titlebar(output, damage, child, state->swayc_x,
+ state->swayc_y, state->swayc_width, colors,
+ title_texture, marks_texture);
+ } else {
+ render_top_border(output, damage, child, colors);
+ }
+ render_view(output, damage, child, colors);
+ } else {
+ render_container(output, damage, child,
+ parent_focused || focus == child);
+ }
+ }
+}
+
+/**
+ * Render a container's children using the L_TABBED layout.
+ */
+static void render_container_tabbed(struct sway_output *output,
+ pixman_region32_t *damage, struct sway_container *con,
+ bool parent_focused) {
+ if (!con->current.children->length) {
+ return;
+ }
+ struct sway_seat *seat = input_manager_current_seat(input_manager);
+ struct sway_container *focus = seat_get_focus(seat);
+ struct sway_container *current = seat_get_active_current_child(seat, con);
+ struct border_colors *current_colors = &config->border_colors.unfocused;
+ struct sway_container_state *pstate = &con->current;
+
+ // Render tabs
+ for (int i = 0; i < con->current.children->length; ++i) {
+ struct sway_container *child = con->current.children->items[i];
+ struct sway_view *view = child->type == C_VIEW ? child->sway_view : NULL;
+ struct sway_container_state *cstate = &child->current;
+ struct border_colors *colors;
+ struct wlr_texture *title_texture;
+ struct wlr_texture *marks_texture;
+
+ if (focus == child || parent_focused) {
+ colors = &config->border_colors.focused;
+ title_texture = child->title_focused;
+ marks_texture = view ? view->marks_focused : NULL;
+ } else if (child == current) {
+ colors = &config->border_colors.focused_inactive;
+ title_texture = child->title_focused_inactive;
+ marks_texture = view ? view->marks_focused_inactive : NULL;
+ } else {
+ colors = &config->border_colors.unfocused;
+ title_texture = child->title_unfocused;
+ marks_texture = view ? view->marks_unfocused : NULL;
+ }
+
+ int tab_width = pstate->swayc_width / pstate->children->length;
+ int x = pstate->swayc_x + tab_width * i;
+ // Make last tab use the remaining width of the parent
+ if (i == pstate->children->length - 1) {
+ tab_width = pstate->swayc_width - tab_width * i;
+ }
+
+ render_titlebar(output, damage, child, x, cstate->swayc_y, tab_width,
+ colors, title_texture, marks_texture);
+
+ if (child == current) {
+ current_colors = colors;
+ }
+ }
+
+ // Render surface and left/right/bottom borders
+ if (current) {
+ if (current->type == C_VIEW) {
+ render_view(output, damage, current, current_colors);
+ } else {
+ render_container(output, damage, current,
+ parent_focused || current == focus);
+ }
+ }
+}
+
+/**
+ * Render a container's children using the L_STACKED layout.
+ */
+static void render_container_stacked(struct sway_output *output,
+ pixman_region32_t *damage, struct sway_container *con,
+ bool parent_focused) {
+ if (!con->current.children->length) {
+ return;
+ }
+ struct sway_seat *seat = input_manager_current_seat(input_manager);
+ struct sway_container *focus = seat_get_focus(seat);
+ struct sway_container *current = seat_get_active_current_child(seat, con);
+ struct border_colors *current_colors = &config->border_colors.unfocused;
+ struct sway_container_state *pstate = &con->current;
+
+ // Render titles
+ for (int i = 0; i < con->current.children->length; ++i) {
+ struct sway_container *child = con->current.children->items[i];
+ struct sway_view *view = child->type == C_VIEW ? child->sway_view : NULL;
+ struct sway_container_state *cstate = &child->current;
+ struct border_colors *colors;
+ struct wlr_texture *title_texture;
+ struct wlr_texture *marks_texture;
+
+ if (focus == child || parent_focused) {
+ colors = &config->border_colors.focused;
+ title_texture = child->title_focused;
+ marks_texture = view ? view->marks_focused : NULL;
+ } else if (child == current) {
+ colors = &config->border_colors.focused_inactive;
+ title_texture = child->title_focused_inactive;
+ marks_texture = view ? view->marks_focused_inactive : NULL;
+ } else {
+ colors = &config->border_colors.unfocused;
+ title_texture = child->title_unfocused;
+ marks_texture = view ? view->marks_unfocused : NULL;
+ }
+
+ int y = pstate->swayc_y + container_titlebar_height() * i;
+ render_titlebar(output, damage, child, cstate->swayc_x, y,
+ cstate->swayc_width, colors, title_texture, marks_texture);
+
+ if (child == current) {
+ current_colors = colors;
+ }
+ }
+
+ // Render surface and left/right/bottom borders
+ if (current) {
+ if (current->type == C_VIEW) {
+ render_view(output, damage, current, current_colors);
+ } else {
+ render_container(output, damage, current,
+ parent_focused || current == focus);
+ }
+ }
+}
+
+static void render_container(struct sway_output *output,
+ pixman_region32_t *damage, struct sway_container *con,
+ bool parent_focused) {
+ switch (con->current.layout) {
+ case L_NONE:
+ case L_HORIZ:
+ case L_VERT:
+ render_container_simple(output, damage, con, parent_focused);
+ break;
+ case L_STACKED:
+ render_container_stacked(output, damage, con, parent_focused);
+ break;
+ case L_TABBED:
+ render_container_tabbed(output, damage, con, parent_focused);
+ break;
+ case L_FLOATING:
+ sway_assert(false, "Didn't expect to see floating here");
+ }
+}
+
+static void render_floating_container(struct sway_output *soutput,
+ pixman_region32_t *damage, struct sway_container *con) {
+ if (con->type == C_VIEW) {
+ struct sway_view *view = con->sway_view;
+ struct sway_seat *seat = input_manager_current_seat(input_manager);
+ struct sway_container *focus = seat_get_focus(seat);
+ struct border_colors *colors;
+ struct wlr_texture *title_texture;
+ struct wlr_texture *marks_texture;
+
+ if (focus == con) {
+ colors = &config->border_colors.focused;
+ title_texture = con->title_focused;
+ marks_texture = view->marks_focused;
+ } else {
+ colors = &config->border_colors.unfocused;
+ title_texture = con->title_unfocused;
+ marks_texture = view->marks_unfocused;
+ }
+
+ if (con->current.border == B_NORMAL) {
+ render_titlebar(soutput, damage, con, con->current.swayc_x,
+ con->current.swayc_y, con->current.swayc_width, colors,
+ title_texture, marks_texture);
+ } else if (con->current.border != B_NONE) {
+ render_top_border(soutput, damage, con, colors);
+ }
+ render_view(soutput, damage, con, colors);
+ } else {
+ render_container(soutput, damage, con, false);
+ }
+}
+
+static void render_floating(struct sway_output *soutput,
+ pixman_region32_t *damage) {
+ for (int i = 0; i < root_container.current.children->length; ++i) {
+ struct sway_container *output =
+ root_container.current.children->items[i];
+ for (int j = 0; j < output->current.children->length; ++j) {
+ struct sway_container *ws = output->current.children->items[j];
+ if (!workspace_is_visible(ws)) {
+ continue;
+ }
+ list_t *floating =
+ ws->current.ws_floating->current.children;
+ for (int k = 0; k < floating->length; ++k) {
+ struct sway_container *floater = floating->items[k];
+ render_floating_container(soutput, damage, floater);
+ }
+ }
+ }
+}
+
+void output_render(struct sway_output *output, struct timespec *when,
+ pixman_region32_t *damage) {
+ struct wlr_output *wlr_output = output->wlr_output;
+
+ struct wlr_renderer *renderer =
+ wlr_backend_get_renderer(wlr_output->backend);
+ if (!sway_assert(renderer != NULL,
+ "expected the output backend to have a renderer")) {
+ return;
+ }
+
+ wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
+
+ bool damage_whole_before_swap = false;
+ if (!pixman_region32_not_empty(damage)) {
+ // Output isn't damaged but needs buffer swap
+ goto renderer_end;
+ }
+
+ const char *damage_debug = getenv("SWAY_DAMAGE_DEBUG");
+ if (damage_debug != NULL) {
+ if (strcmp(damage_debug, "highlight") == 0) {
+ wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1});
+ damage_whole_before_swap = true;
+ } else if (strcmp(damage_debug, "rerender") == 0) {
+ int width, height;
+ wlr_output_transformed_resolution(wlr_output, &width, &height);
+ pixman_region32_union_rect(damage, damage, 0, 0, width, height);
+ }
+ }
+
+ struct sway_container *workspace = output_get_active_workspace(output);
+ struct sway_view *fullscreen_view = workspace->current.ws_fullscreen;
+ struct sway_seat *seat = input_manager_current_seat(input_manager);
+
+ if (output_has_opaque_lockscreen(output, seat)) {
+ struct wlr_layer_surface *wlr_layer_surface = seat->focused_layer;
+ struct sway_layer_surface *sway_layer_surface =
+ layer_from_wlr_layer_surface(seat->focused_layer);
+ struct render_data data = {
+ .output = output,
+ .damage = damage,
+ .alpha = 1.0f,
+ };
+ output_surface_for_each_surface(wlr_layer_surface->surface,
+ sway_layer_surface->geo.x, sway_layer_surface->geo.y,
+ &data.root_geo, render_surface_iterator, &data);
+ } else if (fullscreen_view) {
+ float clear_color[] = {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, clear_color);
+ }
+
+ // TODO: handle views smaller than the output
+ render_view_surfaces(fullscreen_view, output, damage, 1.0f);
+
+ if (fullscreen_view->type == SWAY_VIEW_XWAYLAND) {
+ render_unmanaged(output, damage,
+ &root_container.sway_root->xwayland_unmanaged);
+ }
+ } else {
+ float clear_color[] = {0.25f, 0.25f, 0.25f, 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, clear_color);
+ }
+
+ render_layer(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
+ render_layer(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
+
+ struct sway_seat *seat = input_manager_current_seat(input_manager);
+ struct sway_container *focus = seat_get_focus(seat);
+ render_container(output, damage, workspace, focus == workspace);
+ render_floating(output, damage);
+
+ render_unmanaged(output, damage,
+ &root_container.sway_root->xwayland_unmanaged);
+ render_layer(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
+ }
+ render_layer(output, damage,
+ &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
+ render_drag_icons(output, damage, &root_container.sway_root->drag_icons);
+
+renderer_end:
+ if (root_container.sway_root->debug_tree) {
+ wlr_render_texture(renderer, root_container.sway_root->debug_tree,
+ wlr_output->transform_matrix, 0, 0, 1);
+ }
+
+ if (damage_whole_before_swap || root_container.sway_root->debug_tree) {
+ int width, height;
+ wlr_output_transformed_resolution(wlr_output, &width, &height);
+ pixman_region32_union_rect(damage, damage, 0, 0, width, height);
+ }
+
+ wlr_renderer_scissor(renderer, NULL);
+ wlr_renderer_end(renderer);
+ if (!wlr_output_damage_swap_buffers(output->damage, when, damage)) {
+ return;
+ }
+ output->last_frame = *when;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 15:39:04 +0000