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-rw-r--r--wayland/buffers.c116
-rw-r--r--wayland/client.c113
2 files changed, 140 insertions, 89 deletions
diff --git a/wayland/buffers.c b/wayland/buffers.c
new file mode 100644
index 00000000..13193423
--- /dev/null
+++ b/wayland/buffers.c
@@ -0,0 +1,116 @@
+#include <wayland-client.h>
+#include <cairo/cairo.h>
+#include <pango/pangocairo.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include "client/buffer.h"
+#include "list.h"
+#include "log.h"
+
+static int create_pool_file(size_t size) {
+ static const char template[] = "/sway-client-XXXXXX";
+ const char *path = getenv("XDG_RUNTIME_DIR");
+ if (!path) {
+ return -1;
+ }
+
+ int ts = (path[strlen(path) - 1] == '/');
+
+ char *name = malloc(
+ strlen(template) +
+ strlen(path) +
+ (ts ? 1 : 0) + 1);
+ sprintf(name, "%s%s%s", path, ts ? "" : "/", template);
+
+ int fd = mkstemp(name);
+ free(name);
+
+ if (fd < 0) {
+ return -1;
+ }
+
+ if (ftruncate(fd, size) < 0) {
+ close(fd);
+ return -1;
+ }
+
+ return fd;
+}
+
+static void buffer_release(void *data, struct wl_buffer *wl_buffer) {
+ struct buffer *buffer = data;
+ buffer->busy = false;
+}
+
+static const struct wl_buffer_listener buffer_listener = {
+ .release = buffer_release
+};
+
+static struct buffer *create_buffer(struct client_state *state, struct buffer *buf,
+ int32_t width, int32_t height, uint32_t format) {
+
+ uint32_t stride = width * 4;
+ uint32_t size = stride * height;
+
+ int fd = create_pool_file(size);
+ void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ struct wl_shm_pool *pool = wl_shm_create_pool(state->shm, fd, size);
+ buf->buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride, format);
+ wl_shm_pool_destroy(pool);
+ close(fd);
+ fd = -1;
+
+ buf->surface = cairo_image_surface_create_for_data(data, CAIRO_FORMAT_ARGB32, width, height, stride);
+ buf->cairo = cairo_create(buf->surface);
+ buf->pango = pango_cairo_create_context(buf->cairo);
+
+ wl_buffer_add_listener(buf->buffer, &buffer_listener, state);
+ return buf;
+}
+
+static void destroy_buffer(struct buffer *buffer) {
+ if (buffer->buffer) {
+ wl_buffer_destroy(buffer->buffer);
+ }
+ if (buffer->cairo) {
+ cairo_destroy(buffer->cairo);
+ }
+ if (buffer->surface) {
+ cairo_surface_destroy(buffer->surface);
+ }
+ memset(buffer, 0, sizeof(struct buffer));
+}
+
+struct buffer *get_next_buffer(struct client_state *state) {
+ struct buffer *buffer = NULL;
+
+ int i;
+ for (i = 0; i < 2; ++i) {
+ if (state->buffers[i].busy) {
+ continue;
+ }
+ buffer = &state->buffers[i];
+ }
+
+ if (!buffer) {
+ return NULL;
+ }
+
+ if (buffer->width != state->width || buffer->height != state->height) {
+ destroy_buffer(buffer);
+ }
+
+ if (!buffer->buffer) {
+ if (!create_buffer(state, buffer, state->width, state->height, WL_SHM_FORMAT_ARGB8888)) {
+ return NULL;
+ }
+ }
+
+ state->cairo = buffer->cairo;
+ state->buffer = buffer;
+ return buffer;
+}
diff --git a/wayland/client.c b/wayland/client.c
index fcbba885..4d4a6bbb 100644
--- a/wayland/client.c
+++ b/wayland/client.c
@@ -7,7 +7,8 @@
#include <unistd.h>
#include <errno.h>
#include <sys/mman.h>
-#include "client.h"
+#include "client/client.h"
+#include "client/buffer.h"
#include "list.h"
#include "log.h"
@@ -73,87 +74,12 @@ static const struct wl_registry_listener registry_listener = {
.global_remove = registry_global_remove
};
-static int create_pool_file(size_t size) {
- static const char template[] = "/swaybg-XXXXXX";
- const char *path = getenv("XDG_RUNTIME_DIR");
- if (!path) {
- return -1;
- }
-
- int ts = (path[strlen(path) - 1] == '/');
-
- char *name = malloc(
- strlen(template) +
- strlen(path) +
- (ts ? 1 : 0) + 1);
- sprintf(name, "%s%s%s", path, ts ? "" : "/", template);
-
- int fd = mkstemp(name);
- free(name);
-
- if (fd < 0) {
- return -1;
- }
-
- if (ftruncate(fd, size) < 0) {
- close(fd);
- return -1;
- }
-
- 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) {
-
- struct buffer *buf = malloc(sizeof(struct buffer));
- memset(buf, 0, sizeof(struct buffer));
- uint32_t stride = width * 4;
- uint32_t size = stride * height;
-
- int fd = create_pool_file(size);
- void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- buf->pool = wl_shm_create_pool(state->shm, fd, size);
- buf->buffer = wl_shm_pool_create_buffer(buf->pool, 0, width, height, stride, format);
- wl_shm_pool_destroy(buf->pool);
- close(fd);
- fd = -1;
-
- state->cairo_surface = cairo_image_surface_create_for_data(data, CAIRO_FORMAT_ARGB32, width, height, stride);
- 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 *client_setup(uint32_t width, uint32_t height) {
struct client_state *state = malloc(sizeof(struct client_state));
memset(state, 0, sizeof(struct client_state));
state->outputs = create_list();
+ state->width = width;
+ state->height = height;
state->display = wl_display_connect(NULL);
if (!state->display) {
@@ -168,22 +94,33 @@ struct client_state *client_setup(void) {
wl_display_roundtrip(state->display);
wl_registry_destroy(registry);
- state->buffer = create_buffer(state, 100, 100, WL_SHM_FORMAT_ARGB8888);
state->surface = wl_compositor_create_surface(state->compositor);
state->shell_surface = wl_shell_get_shell_surface(state->shell, state->surface);
wl_shell_surface_set_toplevel(state->shell_surface);
- wl_surface_damage(state->surface, 0, 0, 100, 100);
-
return state;
}
-int client_render(struct client_state *state) {
- if (state->frame_cb || state->busy) {
- return 2;
+static void frame_callback(void *data, struct wl_callback *callback, uint32_t time) {
+ struct client_state *state = data;
+ wl_callback_destroy(callback);
+ state->frame_cb = NULL;
+}
+
+static const struct wl_callback_listener listener = {
+ frame_callback
+};
+
+int client_prerender(struct client_state *state) {
+ if (state->frame_cb) {
+ return 0;
}
- sway_log(L_INFO, "Rendering");
+ get_next_buffer(state);
+ return 1;
+}
+
+int client_render(struct client_state *state) {
state->frame_cb = wl_surface_frame(state->surface);
wl_callback_add_listener(state->frame_cb, &listener, state);
@@ -191,9 +128,7 @@ int client_render(struct client_state *state) {
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;
+ return 1;
}
void client_teardown(struct client_state *state) {