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Further refinement of wayland client support

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This commit is contained in:
Drew DeVault 2015-11-12 19:35:39 -05:00
parent bfcabe48ef
commit 11b1ba397f
3 changed files with 50 additions and 9 deletions
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3
include/client.h
View file

@ -4,6 +4,7 @@
#include <wayland-client.h>
#include <cairo/cairo.h>
#include <pango/pangocairo.h>
#include <stdbool.h>
#include "list.h"
struct output_state {
@ -28,6 +29,8 @@ struct client_state {
struct buffer *buffer;
struct wl_surface *surface;
struct wl_shell_surface *shell_surface;
struct wl_callback *frame_cb;
bool busy;
cairo_t *cairo;
cairo_surface_t *cairo_surface;
PangoContext *pango;

14
swaybg/main.c
View file

@ -15,12 +15,22 @@ int main(int argc, char **argv) {
init_log(L_INFO);
state = client_setup();
uint8_t r = 0, g = 0, b = 0;
int rs;
do {
if (!client_prerender(state)) continue;
cairo_set_source_rgb(state->cairo, 255, 0, 0);
cairo_set_source_rgb(state->cairo, r, g, b);
cairo_rectangle(state->cairo, 0, 0, 100, 100);
cairo_fill(state->cairo);
} while (client_render(state));
rs = client_render(state);
if (rs == 1) {
sway_log(L_INFO, "rendering %d %d %d", r, g, b);
r++; g++; b++;
}
} while (rs);
client_teardown(state);
return 0;

42
wayland/client.c
View file

@ -103,6 +103,16 @@ static int create_pool_file(size_t size) {
return fd;
}
static void buffer_release(void *data, struct wl_buffer *buffer) {
struct client_state *state = data;
state->busy = false;
sway_log(L_INFO, "buffer release");
}
static const struct wl_buffer_listener buffer_listener = {
.release = buffer_release
};
struct buffer *create_buffer(struct client_state *state,
int32_t width, int32_t height, uint32_t format) {
@ -120,10 +130,23 @@ struct buffer *create_buffer(struct client_state *state,
state->cairo = cairo_create(state->cairo_surface);
state->pango = pango_cairo_create_context(state->cairo);
wl_buffer_add_listener(buf->buffer, &buffer_listener, state);
sway_log(L_INFO, "%p %p", buf->pool, buf->buffer);
return buf;
}
static void frame_callback(void *data, struct wl_callback *callback, uint32_t time) {
sway_log(L_INFO, "frame callback");
struct client_state *state = data;
wl_callback_destroy(callback);
state->frame_cb = NULL;
}
static const struct wl_callback_listener listener = {
frame_callback
};
struct client_state *client_setup(void) {
struct client_state *state = malloc(sizeof(struct client_state));
memset(state, 0, sizeof(struct client_state));
@ -138,8 +161,8 @@ struct client_state *client_setup(void) {
struct wl_registry *registry = wl_display_get_registry(state->display);
wl_registry_add_listener(registry, &registry_listener, state);
wl_display_roundtrip(state->display); // globals
wl_display_roundtrip(state->display); // listeners
wl_display_dispatch(state->display);
wl_display_roundtrip(state->display);
wl_registry_destroy(registry);
state->buffer = create_buffer(state, 100, 100, WL_SHM_FORMAT_ARGB8888);
@ -148,21 +171,26 @@ struct client_state *client_setup(void) {
wl_shell_surface_set_toplevel(state->shell_surface);
wl_surface_damage(state->surface, 0, 0, 100, 100);
wl_surface_attach(state->surface, state->buffer->buffer, 0, 0);
wl_surface_commit(state->surface);
return state;
}
int client_prerender(struct client_state *state) {
wl_display_dispatch_pending(state->display);
if (wl_display_flush(state->display) < 0 && errno != EAGAIN) {
return 0;
}
wl_display_flush(state->display);
return 1;
}
int client_render(struct client_state *state) {
if (state->frame_cb) {
return 2;
}
state->frame_cb = wl_surface_frame(state->surface);
wl_callback_add_listener(state->frame_cb, &listener, state);
wl_surface_damage(state->surface, 0, 0, 100, 100);
wl_surface_attach(state->surface, state->buffer->buffer, 0, 0);
wl_surface_commit(state->surface);
state->busy = true;
return wl_display_dispatch(state->display) != -1;
}