#include "config.h"
#endif
+#include <fcntl.h>
+#include <glib.h>
+#include <glib/gstdio.h>
#include <stdlib.h>
+#include <sys/mman.h>
+#include <unistd.h>
#include <wayland-util.h>
#include <wayland-client.h>
#include <xf86drm.h>
return NULL;
}
}
+static ClutterStageWaylandWaylandBuffer *
+wayland_create_shm_buffer (ClutterBackendWayland *backend_wayland,
+ ClutterGeometry *geom)
+{
+ ClutterStageWaylandWaylandBufferSHM *buffer;
+ struct wl_visual *visual;
+ CoglTextureFlags flags = COGL_TEXTURE_NONE; /* XXX: tweak flags? */
+ CoglPixelFormat format = VISUAL_ARGB_PRE;
+ unsigned int stride;
+ int fd;
+ gchar tmp[] = "/tmp/clutter-wayland-shm-XXXXXX";
+
+ buffer = g_slice_new (ClutterStageWaylandWaylandBufferSHM);
+
+ buffer->buffer.type = BUFFER_TYPE_SHM;
+
+ /* XXX: can we query Cogl for what the stride should
+ be for a given format and width? */
+ stride = geom->width;
+ buffer->size = stride * geom->height;
+
+ fd = g_mkstemp_full(tmp, O_RDWR, 0600);
+ ftruncate(fd, buffer->size);
+ buffer->data = mmap(NULL, buffer->size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
+
+ g_unlink(tmp);
+
+ buffer->buffer.tex = cogl_texture_new_from_data ((unsigned int)geom->width,
+ (unsigned int)geom->height,
+ flags, format,
+ COGL_PIXEL_FORMAT_ANY,
+ stride, buffer->data);
+
+ visual = get_visual (backend_wayland->wayland_display, format);
+ buffer->buffer.wayland_buffer =
+ wl_shm_create_buffer (backend_wayland->wayland_shm,
+ fd,
+ geom->width,
+ geom->height,
+ stride, visual);
+ close(fd);
+ return &buffer->buffer;
+}
static ClutterStageWaylandWaylandBuffer *
wayland_create_drm_buffer (ClutterBackendWayland *backend_wayland,
}
static void
+wayland_free_shm_buffer (ClutterStageWaylandWaylandBuffer *generic_buffer)
+{
+ ClutterStageWaylandWaylandBufferSHM *buffer;
+
+ buffer = (ClutterStageWaylandWaylandBufferSHM *)generic_buffer;
+
+ munmap(buffer->data, buffer->size);
+ g_slice_free (ClutterStageWaylandWaylandBufferSHM, buffer);
+}
+
+static void
wayland_free_drm_buffer (ClutterStageWaylandWaylandBuffer *generic_buffer)
{
ClutterBackend *backend = clutter_get_default_backend ();
if (buffer->type == BUFFER_TYPE_DRM)
wayland_free_drm_buffer(buffer);
+ else if (buffer->type == BUFFER_TYPE_SHM)
+ wayland_free_shm_buffer(buffer);
}
static void
typedef struct _ClutterStageWaylandClass ClutterStageWaylandClass;
#define BUFFER_TYPE_DRM 1
+#define BUFFER_TYPE_SHM 2
typedef struct _ClutterStageWaylandWaylandBuffer
{
GLuint texture;
} ClutterStageWaylandWaylandBufferDRM;
+typedef struct _ClutterStageWaylandWaylandBufferSHM
+{
+ ClutterStageWaylandWaylandBuffer buffer;
+ guint8 *data;
+ size_t size;
+} ClutterStageWaylandWaylandBufferSHM;
+
struct _ClutterStageWayland
{
GObject parent_instance;