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#include "wm.h"
struct Payload
{
Client *client;
struct wlr_output *output;
struct timespec *when;
int x, y;
};
static
void
render(struct wlr_surface *surface, int sx, int sy, void *data)
{
float matrix[9];
double x, y;
struct Payload *payload;
struct wlr_box box;
struct wlr_output *output;
struct wlr_texture *texture;
enum wl_output_transform transform;
payload = data;
output = payload->output;
texture = wlr_surface_get_texture(surface);
if(!texture)
return;
x = 0, y = 0;
wlr_output_layout_output_coords(server.monitor.layout, output, &x, &y);
box = (struct wlr_box) {
.x = x + payload->x + sx,
.y = y + payload->y + sy,
.width = surface->current.width,
.height = surface->current.height,
};
scale_box(&box, output->scale);
transform = wlr_output_transform_invert(surface->current.transform);
wlr_matrix_project_box(matrix, &box, transform, 0, output->transform_matrix);
wlr_render_texture_with_matrix(server.renderer, texture, matrix, 1);
wlr_surface_send_frame_done(surface, payload->when);
wlr_presentation_surface_sampled_on_output(server.present, surface, output);
}
static
void
render_layer(struct wl_list *list, struct timespec *now)
{
Layer *layer;
wl_list_for_each(layer, list, link) {
struct Payload payload= {
.output = layer->surface->output,
.x = layer->geometry.x,
.y = layer->geometry.y,
.when = now,
};
wlr_surface_for_each_surface(layer->surface->surface, render, &payload);
}
}
static
void
render_clients(Monitor *monitor, struct timespec *now)
{
double x, y;
int i, w, h, bw;
float *color;
Client *client;
struct wlr_output *output;
struct wlr_box *borders;
struct wlr_surface *surface;
output = monitor->output;
wl_list_for_each_reverse(client, &server.client.stack, stack) {
if(!VISIBLE_ON(client, client->monitor))
continue;
if(!wlr_output_layout_intersects(server.monitor.layout, monitor->output, &client->geometry))
continue;
surface = client->xdg->surface;
x = client->geometry.x, y = client->geometry.y;
wlr_output_layout_output_coords(server.monitor.layout, output, &x, &y);
if((bw=client->border)) {
w = surface->current.width;
h = surface->current.height;
borders = (struct wlr_box[4]) {
{x, y, w+2*bw, bw}, /* top */
{x, y+bw, bw, h}, /* left */
{x+bw+w, y+bw, bw, h}, /* right */
{x, y+bw+h, w+2*bw, bw}, /* bottom */
};
color = (client == server.selected) ? cfg·focuscolor : cfg·bordercolor;
for(i=0; i<4; i++) {
scale_box(&borders[i], output->scale);
wlr_render_rect(server.renderer, &borders[i], color, output->transform_matrix);
}
}
struct Payload payload = {
.output = output,
.when = now,
.x = client->geometry.x + client->border,
.y = client->geometry.y + client->border,
};
wlr_xdg_surface_for_each_surface(client->xdg, render, &payload);
}
}
void
render_monitor(struct wl_listener *l, void *data)
{
int w, h;
Client *client;
Monitor *monitor;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
monitor = wl_container_of(l, monitor, event.render);
wl_list_for_each(client, &server.client.list, link) {
if(client->resize) {
wlr_surface_send_frame_done(client->xdg->surface, &now);
}
}
if(!wlr_output_attach_render(monitor->output, nil))
return;
wlr_output_effective_resolution(monitor->output, &w, &h);
/* start of rendering kernel */
wlr_renderer_begin(server.renderer, w, h);
wlr_renderer_clear(server.renderer, cfg·rootcolor);
render_layer(&monitor->layer[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], &now);
render_layer(&monitor->layer[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], &now);
render_clients(monitor, &now);
render_layer(&monitor->layer[ZWLR_LAYER_SHELL_V1_LAYER_TOP], &now);
render_layer(&monitor->layer[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], &now);
wlr_output_render_software_cursors(monitor->output, nil);
wlr_renderer_end(server.renderer);
wlr_output_commit(monitor->output);
}
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