From b35182f5192b14f0b7869d3783db728919cc527a Mon Sep 17 00:00:00 2001
From: Guido Cella <guidocella91@gmail.com>
Date: Wed, 26 Aug 2020 19:00:40 +0200
Subject: render layer surfaces
---
dwl.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/dwl.c b/dwl.c
index a72b50f..c59196d 100644
--- a/dwl.c
+++ b/dwl.c
@@ -240,6 +240,8 @@ static void pointerfocus(Client *c, struct wlr_surface *surface,
static void quit(const Arg *arg);
static void render(struct wlr_surface *surface, int sx, int sy, void *data);
static void renderclients(Monitor *m, struct timespec *now);
+static void renderlayer(Monitor *m, struct wl_list *layer_surfaces);
+static void renderlayersurface(struct wlr_surface *surface, int sx, int sy, void *data);
static void rendermon(struct wl_listener *listener, void *data);
static void resize(Client *c, int x, int y, int w, int h, int interact);
static void run(char *startup_cmd);
@@ -1555,6 +1557,43 @@ renderclients(Monitor *m, struct timespec *now)
}
}
+void
+renderlayer(Monitor *m, struct wl_list *layer_surfaces)
+{
+ LayerSurface *layersurface;
+ wl_list_for_each(layersurface, layer_surfaces, link)
+ wlr_surface_for_each_surface(layersurface->layer_surface->surface,
+ renderlayersurface, layersurface);
+}
+
+void
+renderlayersurface(struct wlr_surface *surface, int sx, int sy, void *data)
+{
+ LayerSurface *layersurface = data;
+ struct wlr_texture *texture = wlr_surface_get_texture(surface);
+ struct wlr_output *output;
+ double ox = 0, oy = 0;
+ enum wl_output_transform transform;
+ struct wlr_box box;
+ float matrix[9];
+ struct timespec now;
+
+ if (!texture) {
+ return;
+ }
+
+ output = layersurface->layer_surface->output;
+ wlr_output_layout_output_coords(output_layout, output, &ox, &oy);
+ ox += layersurface->geo.x + sx, oy += layersurface->geo.y + sy;
+ transform = wlr_output_transform_invert(surface->current.transform);
+ memcpy(&box, &layersurface->geo, sizeof(struct wlr_box));
+ wlr_matrix_project_box(matrix, &box, transform, 0,
+ output->transform_matrix);
+ wlr_render_texture_with_matrix(drw, texture, matrix, 1);
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ wlr_surface_send_frame_done(surface, &now);
+}
+
void
rendermon(struct wl_listener *listener, void *data)
{
@@ -1585,7 +1624,11 @@ rendermon(struct wl_listener *listener, void *data)
wlr_renderer_begin(drw, m->wlr_output->width, m->wlr_output->height);
wlr_renderer_clear(drw, rootcolor);
+ renderlayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
+ renderlayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
renderclients(m, &now);
+ renderlayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
+ renderlayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
#ifdef XWAYLAND
renderindependents(m->wlr_output, &now);
#endif
--
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