Split renderer

1 files changed, 23 insertions, 894 deletions

diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index 336163ea..8b50bc44 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -56,25 +56,7 @@ static void rotate_child_position(double *sx, double *sy, double sw, double sh,
         *sy = ry + ph/2 - sh/2;
 }
 
-/**
- * Contains a surface's root geometry information. For instance, when rendering
- * a popup, this will contain the parent view's position and size.
- */
-struct root_geometry {
-        double x, y;
-        int width, height;
-        float rotation;
-};
-
-struct render_data {
-        struct root_geometry root_geo;
-        struct sway_output *output;
-        pixman_region32_t *damage;
-        struct sway_view *view;
-        float alpha;
-};
-
-static bool get_surface_box(struct root_geometry *geo,
+bool output_get_surface_box(struct root_geometry *geo,
                 struct sway_output *output, struct wlr_surface *surface, int sx, int sy,
                 struct wlr_box *surface_box) {
         if (!wlr_surface_has_buffer(surface)) {
@@ -110,7 +92,7 @@ static bool get_surface_box(struct root_geometry *geo,
         return wlr_box_intersection(&output_box, &rotated_box, &intersection);
 }
 
-static void surface_for_each_surface(struct wlr_surface *surface,
+void output_surface_for_each_surface(struct wlr_surface *surface,
                 double ox, double oy, struct root_geometry *geo,
                 wlr_surface_iterator_func_t iterator, void *user_data) {
         geo->x = ox;
@@ -122,12 +104,11 @@ static void surface_for_each_surface(struct wlr_surface *surface,
         wlr_surface_for_each_surface(surface, iterator, user_data);
 }
 
-static void output_view_for_each_surface(struct sway_view *view,
-                struct root_geometry *geo, wlr_surface_iterator_func_t iterator,
-                void *user_data) {
-        struct render_data *data = user_data;
-        geo->x = view->swayc->current.view_x - data->output->swayc->current.swayc_x;
-        geo->y = view->swayc->current.view_y - data->output->swayc->current.swayc_y;
+void output_view_for_each_surface(struct sway_view *view,
+                struct sway_output *output, struct root_geometry *geo,
+                wlr_surface_iterator_func_t iterator, void *user_data) {
+        geo->x = view->swayc->current.view_x - output->swayc->current.swayc_x;
+        geo->y = view->swayc->current.view_y - output->swayc->current.swayc_y;
         geo->width = view->swayc->current.view_width;
         geo->height = view->swayc->current.view_height;
         geo->rotation = 0; // TODO
@@ -135,20 +116,20 @@ static void output_view_for_each_surface(struct sway_view *view,
         view_for_each_surface(view, iterator, user_data);
 }
 
-static void layer_for_each_surface(struct wl_list *layer_surfaces,
+void output_layer_for_each_surface(struct wl_list *layer_surfaces,
                 struct root_geometry *geo, wlr_surface_iterator_func_t iterator,
                 void *user_data) {
         struct sway_layer_surface *layer_surface;
         wl_list_for_each(layer_surface, layer_surfaces, link) {
                 struct wlr_layer_surface *wlr_layer_surface =
                         layer_surface->layer_surface;
-                surface_for_each_surface(wlr_layer_surface->surface,
+                output_surface_for_each_surface(wlr_layer_surface->surface,
                         layer_surface->geo.x, layer_surface->geo.y, geo, iterator,
                         user_data);
         }
 }
 
-static void unmanaged_for_each_surface(struct wl_list *unmanaged,
+void output_unmanaged_for_each_surface(struct wl_list *unmanaged,
                 struct sway_output *output, struct root_geometry *geo,
                 wlr_surface_iterator_func_t iterator, void *user_data) {
         struct sway_xwayland_unmanaged *unmanaged_surface;
@@ -158,12 +139,12 @@ static void unmanaged_for_each_surface(struct wl_list *unmanaged,
                 double ox = unmanaged_surface->lx - output->swayc->current.swayc_x;
                 double oy = unmanaged_surface->ly - output->swayc->current.swayc_y;
 
-                surface_for_each_surface(xsurface->surface, ox, oy, geo,
+                output_surface_for_each_surface(xsurface->surface, ox, oy, geo,
                         iterator, user_data);
         }
 }
 
-static void drag_icons_for_each_surface(struct wl_list *drag_icons,
+void output_drag_icons_for_each_surface(struct wl_list *drag_icons,
                 struct sway_output *output, struct root_geometry *geo,
                 wlr_surface_iterator_func_t iterator, void *user_data) {
         struct sway_drag_icon *drag_icon;
@@ -172,7 +153,7 @@ static void drag_icons_for_each_surface(struct wl_list *drag_icons,
                 double oy = drag_icon->y - output->swayc->y;
 
                 if (drag_icon->wlr_drag_icon->mapped) {
-                        surface_for_each_surface(drag_icon->wlr_drag_icon->surface,
+                        output_surface_for_each_surface(drag_icon->wlr_drag_icon->surface,
                                 ox, oy, geo, iterator, user_data);
                 }
         }
@@ -185,746 +166,7 @@ static void scale_box(struct wlr_box *box, float 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 = 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,
-        };
-        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,
-        };
-        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,
-        };
-        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, &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);
-                        }
-                }
-        }
-}
-
-static struct sway_container *output_get_active_workspace(
-                struct sway_output *output) {
+struct sway_container *output_get_active_workspace(struct sway_output *output) {
         struct sway_seat *seat = input_manager_current_seat(input_manager);
         struct sway_container *focus =
                 seat_get_focus_inactive(seat, output->swayc);
@@ -975,119 +217,6 @@ bool output_has_opaque_lockscreen(struct sway_output *output,
         return false;
 }
 
-static void render_output(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,
-                };
-                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;
-}
-
 struct send_frame_done_data {
         struct root_geometry root_geo;
         struct sway_output *output;
@@ -1103,7 +232,7 @@ static void send_frame_done_iterator(struct wlr_surface *surface,
                 return;
         }
 
-        bool intersects = get_surface_box(&data->root_geo, data->output, surface,
+        bool intersects = output_get_surface_box(&data->root_geo, data->output, surface,
                 sx, sy, NULL);
         if (intersects) {
                 wlr_surface_send_frame_done(surface, data->when);
@@ -1112,19 +241,19 @@ static void send_frame_done_iterator(struct wlr_surface *surface,
 
 static void send_frame_done_layer(struct send_frame_done_data *data,
                 struct wl_list *layer_surfaces) {
-        layer_for_each_surface(layer_surfaces, &data->root_geo,
+        output_layer_for_each_surface(layer_surfaces, &data->root_geo,
                 send_frame_done_iterator, data);
 }
 
 static void send_frame_done_unmanaged(struct send_frame_done_data *data,
                 struct wl_list *unmanaged) {
-        unmanaged_for_each_surface(unmanaged, data->output, &data->root_geo,
+        output_unmanaged_for_each_surface(unmanaged, data->output, &data->root_geo,
                 send_frame_done_iterator, data);
 }
 
 static void send_frame_done_drag_icons(struct send_frame_done_data *data,
                 struct wl_list *drag_icons) {
-        drag_icons_for_each_surface(drag_icons, data->output, &data->root_geo,
+        output_drag_icons_for_each_surface(drag_icons, data->output, &data->root_geo,
                 send_frame_done_iterator, data);
 }
 
@@ -1139,7 +268,7 @@ static void send_frame_done_container_iterator(struct sway_container *con,
                 return;
         }
 
-        output_view_for_each_surface(con->sway_view, &data->root_geo,
+        output_view_for_each_surface(con->sway_view, data->output, &data->root_geo,
                 send_frame_done_iterator, data);
 }
 
@@ -1206,7 +335,7 @@ static void damage_handle_frame(struct wl_listener *listener, void *data) {
         }
 
         if (needs_swap) {
-                render_output(output, &now, &damage);
+                output_render(output, &now, &damage);
         }
 
         pixman_region32_fini(&damage);
@@ -1233,7 +362,7 @@ static void damage_surface_iterator(struct wlr_surface *surface, int sx, int sy,
         bool whole = data->whole;
 
         struct wlr_box box;
-        bool intersects = get_surface_box(&data->root_geo, data->output, surface,
+        bool intersects = output_get_surface_box(&data->root_geo, data->output, surface,
                 sx, sy, &box);
         if (!intersects) {
                 return;
@@ -1283,7 +412,7 @@ void output_damage_surface(struct sway_output *output, double ox, double oy,
                 .whole = whole,
         };
 
-        surface_for_each_surface(surface, ox, oy, &data.root_geo,
+        output_surface_for_each_surface(surface, ox, oy, &data.root_geo,
                 damage_surface_iterator, &data);
 }
 
@@ -1302,7 +431,7 @@ static void output_damage_view(struct sway_output *output,
                 .whole = whole,
         };
 
-        output_view_for_each_surface(view, &data.root_geo,
+        output_view_for_each_surface(view, output, &data.root_geo,
                 damage_surface_iterator, &data);
 }