clients: Use new shm interface

dev
Kristian Høgsberg 13 years ago
parent 919fbf0fee
commit 16626282fd
  1. 8
      clients/screenshot.c
  2. 8
      clients/simple-shm.c
  3. 9
      clients/simple-touch.c
  4. 62
      clients/window.c

@ -89,6 +89,7 @@ static struct wl_buffer *
create_shm_buffer(int width, int height, void **data_out)
{
char filename[] = "/tmp/wayland-shm-XXXXXX";
struct wl_shm_pool *pool;
struct wl_buffer *buffer;
int fd, size, stride;
void *data;
@ -115,10 +116,11 @@ create_shm_buffer(int width, int height, void **data_out)
return NULL;
}
buffer = wl_shm_create_buffer(shm, fd, width, height, stride,
WL_SHM_FORMAT_XRGB8888);
pool = wl_shm_create_pool(shm, fd, size);
close(fd);
buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
WL_SHM_FORMAT_XRGB8888);
wl_shm_pool_destroy(pool);
*data_out = data;

@ -57,6 +57,7 @@ create_shm_buffer(struct display *display,
int width, int height, uint32_t format, void **data_out)
{
char filename[] = "/tmp/wayland-shm-XXXXXX";
struct wl_shm_pool *pool;
struct wl_buffer *buffer;
int fd, size, stride;
void *data;
@ -83,9 +84,10 @@ create_shm_buffer(struct display *display,
return NULL;
}
buffer = wl_shm_create_buffer(display->shm, fd,
width, height, stride, format);
pool = wl_shm_create_pool(display->shm, fd, size);
buffer = wl_shm_pool_create_buffer(pool, 0,
width, height, stride, format);
wl_shm_pool_destroy(pool);
close(fd);
*data_out = data;

@ -50,6 +50,7 @@ struct touch {
static void
create_shm_buffer(struct touch *touch)
{
struct wl_shm_pool *pool;
char filename[] = "/tmp/wayland-shm-XXXXXX";
int fd, size, stride;
@ -76,10 +77,12 @@ create_shm_buffer(struct touch *touch)
exit(1);
}
pool = wl_shm_create_pool(touch->shm, fd, size);
touch->buffer =
wl_shm_create_buffer(touch->shm, fd,
touch->width, touch->height, stride,
WL_SHM_FORMAT_ARGB8888);
wl_shm_pool_create_buffer(pool, 0,
touch->width, touch->height, stride,
WL_SHM_FORMAT_ARGB8888);
wl_shm_pool_destroy(pool);
close(fd);
}

@ -461,44 +461,59 @@ shm_surface_data_destroy(void *p)
munmap(data->map, data->length);
}
static cairo_surface_t *
display_create_shm_surface(struct display *display,
struct rectangle *rectangle, uint32_t flags)
static struct wl_shm_pool *
make_shm_pool(struct display *display, int size, void **data)
{
struct shm_surface_data *data;
uint32_t format;
cairo_surface_t *surface;
int stride, fd;
char filename[] = "/tmp/wayland-shm-XXXXXX";
struct wl_shm_pool *pool;
int fd;
data = malloc(sizeof *data);
if (data == NULL)
return NULL;
stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32,
rectangle->width);
data->length = stride * rectangle->height;
fd = mkstemp(filename);
if (fd < 0) {
fprintf(stderr, "open %s failed: %m\n", filename);
return NULL;
}
if (ftruncate(fd, data->length) < 0) {
if (ftruncate(fd, size) < 0) {
fprintf(stderr, "ftruncate failed: %m\n");
close(fd);
return NULL;
}
data->map = mmap(NULL, data->length,
PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
*data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
unlink(filename);
if (data->map == MAP_FAILED) {
if (*data == MAP_FAILED) {
fprintf(stderr, "mmap failed: %m\n");
close(fd);
return NULL;
}
pool = wl_shm_create_pool(display->shm, fd, size);
close(fd);
return pool;
}
static cairo_surface_t *
display_create_shm_surface(struct display *display,
struct rectangle *rectangle, uint32_t flags)
{
struct shm_surface_data *data;
struct wl_shm_pool *pool;
uint32_t format;
cairo_surface_t *surface;
int stride;
data = malloc(sizeof *data);
if (data == NULL)
return NULL;
stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32,
rectangle->width);
data->length = stride * rectangle->height;
pool = make_shm_pool(display, data->length, &data->map);
surface = cairo_image_surface_create_for_data (data->map,
CAIRO_FORMAT_ARGB32,
rectangle->width,
@ -513,13 +528,12 @@ display_create_shm_surface(struct display *display,
else
format = WL_SHM_FORMAT_ARGB8888;
data->data.buffer = wl_shm_create_buffer(display->shm,
fd,
rectangle->width,
rectangle->height,
stride, format);
data->data.buffer = wl_shm_pool_create_buffer(pool, 0,
rectangle->width,
rectangle->height,
stride, format);
close(fd);
wl_shm_pool_destroy(pool);
return surface;
}

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