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wayland: implement HW cursors

Browse Source 
Use the DRM API and libgbm to upload cursor buffers to the
appropriate HW plane, saving on GL calls and compositing.

https://bugzilla.gnome.org/show_bug.cgi?id=707573
This commit is contained in:
Giovanni Campagna 2013-09-05 16:45:41 +02:00
parent 65db8efbe8
commit a3e44d13d1
5 changed files with 587 additions and 81 deletions
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9
src/core/meta-cursor-tracker-private.h
View File

@ -25,6 +25,7 @@
#define META_CURSOR_TRACKER_PRIVATE_H
#include <meta/meta-cursor-tracker.h>
#include <wayland-server.h>
#include <clutter/clutter.h>
gboolean meta_cursor_tracker_handle_xevent (MetaCursorTracker *tracker,
@ -33,10 +34,10 @@ gboolean meta_cursor_tracker_handle_xevent (MetaCursorTracker *tracker,
void meta_cursor_tracker_set_root_cursor (MetaCursorTracker *tracker,
MetaCursor cursor);
void meta_cursor_tracker_revert_root (MetaCursorTracker *tracker);
void meta_cursor_tracker_set_sprite (MetaCursorTracker *tracker,
CoglTexture2D *texture,
int hot_x,
int hot_y);
void meta_cursor_tracker_set_buffer (MetaCursorTracker *tracker,
struct wl_resource *buffer,
int hot_x,
int hot_y);
void meta_cursor_tracker_update_position (MetaCursorTracker *tracker,
int new_x,

620
src/core/meta-cursor-tracker.c
View File

@ -30,12 +30,15 @@
*/
#include <config.h>
#include <string.h>
#include <meta/main.h>
#include <meta/util.h>
#include <meta/errors.h>
#include <cogl/cogl.h>
#include <cogl/cogl-wayland-server.h>
#include <clutter/clutter.h>
#include <gbm.h>
#include <gdk/gdk.h>
@ -43,35 +46,41 @@
#include "meta-cursor-tracker-private.h"
#include "screen-private.h"
#ifdef HAVE_WAYLAND
#include "meta-wayland-private.h"
#endif
#include "monitor-private.h"
#define META_WAYLAND_DEFAULT_CURSOR_HOTSPOT_X 7
#define META_WAYLAND_DEFAULT_CURSOR_HOTSPOT_Y 4
typedef struct {
CoglTexture2D *texture;
struct gbm_bo *bo;
int hot_x, hot_y;
int ref_count;
} MetaCursorReference;
struct _MetaCursorTracker {
GObject parent_instance;
MetaScreen *screen;
gboolean is_showing;
gboolean has_cursor;
gboolean has_hw_cursor;
CoglTexture2D *sprite;
int hot_x, hot_y;
CoglTexture2D *root_cursor;
int root_hot_x, root_hot_y;
CoglTexture2D *default_cursor;
MetaCursorReference *sprite;
MetaCursorReference *root_cursor;
MetaCursorReference *default_cursor;
int current_x, current_y;
cairo_rectangle_int_t current_rect;
cairo_rectangle_int_t previous_rect;
MetaRectangle current_rect;
MetaRectangle previous_rect;
gboolean previous_is_valid;
CoglPipeline *pipeline;
int drm_fd;
struct gbm_device *gbm;
};
struct _MetaCursorTrackerClass {
@ -87,6 +96,326 @@ enum {
static guint signals[LAST_SIGNAL];
static void meta_cursor_tracker_set_sprite (MetaCursorTracker *tracker,
MetaCursorReference *sprite);
static void meta_cursor_tracker_set_crtc_has_hw_cursor (MetaCursorTracker *tracker,
MetaCRTC *crtc,
gboolean has_hw_cursor);
static MetaCursorReference *
meta_cursor_reference_ref (MetaCursorReference *self)
{
g_assert (self->ref_count > 0);
self->ref_count++;
return self;
}
static void
meta_cursor_reference_unref (MetaCursorReference *self)
{
self->ref_count--;
if (self->ref_count == 0)
{
cogl_object_unref (self->texture);
if (self->bo)
gbm_bo_destroy (self->bo);
g_slice_free (MetaCursorReference, self);
}
}
static MetaCursorReference *
meta_cursor_reference_from_file (MetaCursorTracker *tracker,
const char *filename,
GError **error)
{
GdkPixbuf *pixbuf;
int width, height, rowstride;
int bits_per_sample;
int n_channels;
gboolean has_alpha;
CoglPixelFormat cogl_format;
uint32_t gbm_format;
ClutterBackend *clutter_backend;
CoglContext *cogl_context;
MetaCursorReference *self;
pixbuf = gdk_pixbuf_new_from_file (filename, error);
if (!pixbuf)
return NULL;
has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
bits_per_sample = gdk_pixbuf_get_bits_per_sample (pixbuf);
n_channels = gdk_pixbuf_get_n_channels (pixbuf);
g_assert (bits_per_sample == 8);
if (has_alpha)
{
g_assert (n_channels == 4);
cogl_format = COGL_PIXEL_FORMAT_RGBA_8888;
gbm_format = GBM_FORMAT_ARGB8888;
}
else
{
g_assert (n_channels == 3);
cogl_format = COGL_PIXEL_FORMAT_RGB_888;
gbm_format = GBM_FORMAT_XRGB8888;
}
self = g_slice_new0 (MetaCursorReference);
self->ref_count = 1;
clutter_backend = clutter_get_default_backend ();
cogl_context = clutter_backend_get_cogl_context (clutter_backend);
self->texture = cogl_texture_2d_new_from_data (cogl_context,
width, height,
cogl_format,
COGL_PIXEL_FORMAT_ANY,
rowstride,
gdk_pixbuf_get_pixels (pixbuf),
NULL);
if (tracker->gbm)
{
if (width > 64 || height > 64)
{
meta_warning ("Invalid default cursor size (must be at most 64x64)\n");
goto out;
}
if (gbm_device_is_format_supported (tracker->gbm, gbm_format,
GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE))
{
uint8_t *data;
uint8_t buf[4 * 64 * 64];
int i, j;
self->bo = gbm_bo_create (tracker->gbm, 64, 64,
gbm_format, GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE);
data = gdk_pixbuf_get_pixels (pixbuf);
memset (buf, 0, sizeof(buf));
for (i = 0; i < height; i++)
{
for (j = 0; j < width; j++)
{
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
/* The byte order is B G R (A) */
buf[i * 4 * 64 + j * 4 + 0] = data[i * rowstride + j * n_channels + 2];
buf[i * 4 * 64 + j * 4 + 1] = data[i * rowstride + j * n_channels + 1];
buf[i * 4 * 64 + j * 4 + 2] = data[i * rowstride + j * n_channels + 0];
if (has_alpha)
buf[i * 4 * 64 + j * 4 + 3] = data[i * rowstride + j * n_channels + 3];
else
buf[i * 4 * 64 + j * 4 + 3] = 0;
#else
/* The byte order is (A) R G B */
buf[i * 4 * 64 + j * 4 + 3] = data[i * rowstride + j * n_channels + 2];
buf[i * 4 * 64 + j * 4 + 2] = data[i * rowstride + j * n_channels + 1];
buf[i * 4 * 64 + j * 4 + 1] = data[i * rowstride + j * n_channels + 0];
if (has_alpha)
buf[i * 4 * 64 + j * 4 + 0] = data[i * rowstride + j * n_channels + 3];
else
buf[i * 4 * 64 + j * 4 + 0] = 0;
#endif
}
}
gbm_bo_write (self->bo, buf, 64 * 64 * 4);
}
else
meta_warning ("HW cursor for format %d not supported\n", gbm_format);
}
out:
g_object_unref (pixbuf);
return self;
}
static MetaCursorReference *
meta_cursor_reference_take_texture (CoglTexture2D *texture)
{
MetaCursorReference *self;
self = g_slice_new0 (MetaCursorReference);
self->ref_count = 1;
self->texture = texture;
return self;
}
static MetaCursorReference *
meta_cursor_reference_from_buffer (MetaCursorTracker *tracker,
struct wl_resource *buffer,
int hot_x,
int hot_y)
{
ClutterBackend *backend;
CoglContext *cogl_context;
MetaCursorReference *self;
CoglPixelFormat cogl_format, cogl_internal_format;
struct wl_shm_buffer *shm_buffer;
uint32_t gbm_format;
self = g_slice_new0 (MetaCursorReference);
self->ref_count = 1;
backend = clutter_get_default_backend ();
cogl_context = clutter_backend_get_cogl_context (backend);
shm_buffer = wl_shm_buffer_get (buffer);
if (shm_buffer)
{
int rowstride = wl_shm_buffer_get_stride (shm_buffer);
int width = wl_shm_buffer_get_width (shm_buffer);
int height = wl_shm_buffer_get_height (shm_buffer);
switch (wl_shm_buffer_get_format (shm_buffer))
{
#if G_BYTE_ORDER == G_BIG_ENDIAN
case WL_SHM_FORMAT_ARGB8888:
cogl_format = COGL_PIXEL_FORMAT_ARGB_8888_PRE;
cogl_internal_format = COGL_PIXEL_FORMAT_ANY;
gbm_format = GBM_FORMAT_ARGB8888;
break;
case WL_SHM_FORMAT_XRGB32:
cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
cogl_internal_format = COGL_PIXEL_FORMAT_RGB_888;
gbm_format = GBM_FORMAT_XRGB8888;
break;
#else
case WL_SHM_FORMAT_ARGB8888:
cogl_format = COGL_PIXEL_FORMAT_BGRA_8888_PRE;
cogl_internal_format = COGL_PIXEL_FORMAT_ANY;
gbm_format = GBM_FORMAT_ARGB8888;
break;
case WL_SHM_FORMAT_XRGB8888:
cogl_format = COGL_PIXEL_FORMAT_BGRA_8888;
cogl_internal_format = COGL_PIXEL_FORMAT_BGR_888;
gbm_format = GBM_FORMAT_XRGB8888;
break;
#endif
default:
g_warn_if_reached ();
cogl_format = COGL_PIXEL_FORMAT_ARGB_8888;
cogl_internal_format = COGL_PIXEL_FORMAT_ANY;
gbm_format = GBM_FORMAT_ARGB8888;
}
self->texture = cogl_texture_2d_new_from_data (cogl_context,
width, height,
cogl_format,
cogl_internal_format,
rowstride,
wl_shm_buffer_get_data (shm_buffer),
NULL);
if (width > 64 || height > 64)
{
meta_warning ("Invalid cursor size (must be at most 64x64), falling back to software (GL) cursors\n");
return self;
}
if (tracker->gbm)
{
if (gbm_device_is_format_supported (tracker->gbm, gbm_format,
GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE))
{
uint8_t *data;
uint8_t buf[4 * 64 * 64];
int i;
self->bo = gbm_bo_create (tracker->gbm, 64, 64,
gbm_format, GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE);
data = wl_shm_buffer_get_data (shm_buffer);
memset (buf, 0, sizeof(buf));
for (i = 0; i < height; i++)
memcpy (buf + i * 4 * 64, data + i * rowstride, 4 * width);
gbm_bo_write (self->bo, buf, 64 * 64 * 4);
}
else
meta_warning ("HW cursor for format %d not supported\n", gbm_format);
}
}
else
{
int width, height;
self->texture = cogl_wayland_texture_2d_new_from_buffer (cogl_context, buffer, NULL);
width = cogl_texture_get_width (COGL_TEXTURE (self->texture));
height = cogl_texture_get_height (COGL_TEXTURE (self->texture));
/* HW cursors must be 64x64, but 64x64 is huge, and no cursor theme actually uses
that, so themed cursors must be padded with transparent pixels to fill the
overlay. This is trivial if we have CPU access to the data, but it's not
possible if the buffer is in GPU memory (and possibly tiled too), so if we
don't get the right size, we fallback to GL.
*/
if (width != 64 || height != 64)
{
meta_warning ("Invalid cursor size (must be 64x64), falling back to software (GL) cursors\n");
return self;
}
if (tracker->gbm)
{
cogl_format = cogl_texture_get_format (COGL_TEXTURE (self->texture));
switch (cogl_format)
{
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
case COGL_PIXEL_FORMAT_ARGB_8888_PRE:
case COGL_PIXEL_FORMAT_ARGB_8888:
gbm_format = GBM_FORMAT_BGRA8888;
break;
case COGL_PIXEL_FORMAT_BGRA_8888_PRE:
case COGL_PIXEL_FORMAT_BGRA_8888:
break;
case COGL_PIXEL_FORMAT_RGB_888:
break;
#else
case COGL_PIXEL_FORMAT_ARGB_8888_PRE:
case COGL_PIXEL_FORMAT_ARGB_8888:
gbm_format = GBM_FORMAT_ARGB8888;
break;
case COGL_PIXEL_FORMAT_BGRA_8888_PRE:
case COGL_PIXEL_FORMAT_BGRA_8888:
gbm_format = GBM_FORMAT_BGRA8888;
break;
case COGL_PIXEL_FORMAT_RGB_888:
gbm_format = GBM_FORMAT_RGB888;
break;
#endif
default:
meta_warning ("Unknown cogl format %d\n", cogl_format);
return self;
}
if (gbm_device_is_format_supported (tracker->gbm, gbm_format,
GBM_BO_USE_CURSOR_64X64))
{
self->bo = gbm_bo_import (tracker->gbm, GBM_BO_IMPORT_WL_BUFFER,
buffer, GBM_BO_USE_CURSOR_64X64);
if (!self->bo)
meta_warning ("Importing HW cursor from wl_buffer failed\n");
}
else
meta_warning ("HW cursor for format %d not supported\n", gbm_format);
}
}
return self;
}
static void
meta_cursor_tracker_init (MetaCursorTracker *self)
{
@ -104,13 +433,15 @@ meta_cursor_tracker_finalize (GObject *object)
MetaCursorTracker *self = META_CURSOR_TRACKER (object);
if (self->sprite)
cogl_object_unref (self->sprite);
meta_cursor_reference_unref (self->sprite);
if (self->root_cursor)
cogl_object_unref (self->root_cursor);
meta_cursor_reference_unref (self->root_cursor);
if (self->default_cursor)
cogl_object_unref (self->default_cursor);
meta_cursor_reference_unref (self->default_cursor);
if (self->pipeline)
cogl_object_unref (self->pipeline);
if (self->gbm)
gbm_device_destroy (self->gbm);
G_OBJECT_CLASS (meta_cursor_tracker_parent_class)->finalize (object);
}
@ -130,13 +461,41 @@ meta_cursor_tracker_class_init (MetaCursorTrackerClass *klass)
G_TYPE_NONE, 0);
}
#ifdef HAVE_WAYLAND
static void
on_monitors_changed (MetaMonitorManager *monitors,
MetaCursorTracker *tracker)
{
MetaCRTC *crtcs;
unsigned int i, n_crtcs;
if (!tracker->has_hw_cursor)
return;
/* Go through the new list of monitors, find out where the cursor is */
meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
for (i = 0; i < n_crtcs; i++)
{
MetaRectangle *rect = &crtcs[i].rect;
gboolean has;
has = meta_rectangle_overlap (&tracker->current_rect, rect);
/* Need to do it unconditionally here, our tracking is
wrong because we reloaded the CRTCs */
meta_cursor_tracker_set_crtc_has_hw_cursor (tracker, &crtcs[i], has);
}
}
static MetaCursorTracker *
make_wayland_cursor_tracker (MetaScreen *screen)
{
MetaWaylandCompositor *compositor;
CoglContext *ctx;
MetaCursorTracker *self = g_object_new (META_TYPE_CURSOR_TRACKER, NULL);
MetaMonitorManager *monitors;
MetaCursorTracker *self;
self = g_object_new (META_TYPE_CURSOR_TRACKER, NULL);
self->screen = screen;
ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
@ -145,9 +504,16 @@ make_wayland_cursor_tracker (MetaScreen *screen)
compositor = meta_wayland_compositor_get_default ();
compositor->seat->cursor_tracker = self;
self->drm_fd = compositor->drm_fd;
if (self->drm_fd >= 0)
self->gbm = gbm_create_device (compositor->drm_fd);
monitors = meta_monitor_manager_get ();
g_signal_connect_object (monitors, "monitors-changed",
G_CALLBACK (on_monitors_changed), self, 0);
return self;
}
#endif
static MetaCursorTracker *
make_x11_cursor_tracker (MetaScreen *screen)
@ -205,7 +571,7 @@ meta_cursor_tracker_handle_xevent (MetaCursorTracker *tracker,
if (notify_event->subtype != XFixesDisplayCursorNotify)
return FALSE;
g_clear_pointer (&tracker->sprite, cogl_object_unref);
g_clear_pointer (&tracker->sprite, meta_cursor_reference_unref);
g_signal_emit (tracker, signals[CURSOR_CHANGED], 0);
return TRUE;
@ -268,9 +634,9 @@ ensure_xfixes_cursor (MetaCursorTracker *tracker)
if (sprite != NULL)
{
tracker->sprite = sprite;
tracker->hot_x = cursor_image->xhot;
tracker->hot_y = cursor_image->yhot;
tracker->sprite = meta_cursor_reference_take_texture (sprite);
tracker->sprite->hot_x = cursor_image->xhot;
tracker->sprite->hot_y = cursor_image->yhot;
}
XFree (cursor_image);
}
@ -288,7 +654,10 @@ meta_cursor_tracker_get_sprite (MetaCursorTracker *tracker)
if (!meta_is_wayland_compositor ())
ensure_xfixes_cursor (tracker);
return COGL_TEXTURE (tracker->sprite);
if (tracker->sprite)
return COGL_TEXTURE (tracker->sprite->texture);
else
return NULL;
}
/**
@ -308,17 +677,27 @@ meta_cursor_tracker_get_hot (MetaCursorTracker *tracker,
if (!meta_is_wayland_compositor ())
ensure_xfixes_cursor (tracker);
if (x)
*x = tracker->hot_x;
if (y)
*y = tracker->hot_y;
if (tracker->sprite)
{
if (x)
*x = tracker->sprite->hot_x;
if (y)
*y = tracker->sprite->hot_y;
}
else
{
if (x)
*x = 0;
if (y)
*y = 0;
}
}
static void
ensure_wayland_cursor (MetaCursorTracker *tracker)
{
CoglBitmap *bitmap;
char *filename;
GError *error;
if (tracker->default_cursor)
return;
@ -327,12 +706,19 @@ ensure_wayland_cursor (MetaCursorTracker *tracker)
"cursors/left_ptr.png",
NULL);
bitmap = cogl_bitmap_new_from_file (filename, NULL);
tracker->default_cursor = cogl_texture_2d_new_from_bitmap (bitmap,
COGL_PIXEL_FORMAT_ANY,
NULL);
error = NULL;
tracker->default_cursor = meta_cursor_reference_from_file (tracker, filename, &error);
if (!tracker->default_cursor)
{
if (error)
g_error ("Failed to load default cursor: %s", error->message);
else
g_error ("Failed to load default cursor");
}
tracker->default_cursor->hot_x = META_WAYLAND_DEFAULT_CURSOR_HOTSPOT_X;
tracker->default_cursor->hot_y = META_WAYLAND_DEFAULT_CURSOR_HOTSPOT_Y;
cogl_object_unref (bitmap);
g_free (filename);
}
@ -356,42 +742,111 @@ meta_cursor_tracker_set_root_cursor (MetaCursorTracker *tracker,
/* FIXME! We need to load all the other cursors too */
ensure_wayland_cursor (tracker);
g_clear_pointer (&tracker->root_cursor, cogl_object_unref);
tracker->root_cursor = cogl_object_ref (tracker->default_cursor);
tracker->root_hot_x = META_WAYLAND_DEFAULT_CURSOR_HOTSPOT_X;
tracker->root_hot_y = META_WAYLAND_DEFAULT_CURSOR_HOTSPOT_Y;
g_clear_pointer (&tracker->root_cursor, meta_cursor_reference_unref);
tracker->root_cursor = meta_cursor_reference_ref (tracker->default_cursor);
}
}
void
meta_cursor_tracker_revert_root (MetaCursorTracker *tracker)
{
meta_cursor_tracker_set_sprite (tracker,
tracker->root_cursor,
tracker->root_hot_x,
tracker->root_hot_y);
meta_cursor_tracker_set_sprite (tracker, tracker->root_cursor);
}
static void
update_hw_cursor (MetaCursorTracker *tracker)
{
MetaMonitorManager *monitors;
MetaCRTC *crtcs;
unsigned int i, n_crtcs;
gboolean enabled;
enabled = tracker->has_cursor && tracker->sprite->bo != NULL;
tracker->has_hw_cursor = enabled;
monitors = meta_monitor_manager_get ();
meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
for (i = 0; i < n_crtcs; i++)
{
MetaRectangle *rect = &crtcs[i].rect;
gboolean has;
has = enabled && meta_rectangle_overlap (&tracker->current_rect, rect);
if (has || crtcs[i].has_hw_cursor)
meta_cursor_tracker_set_crtc_has_hw_cursor (tracker, &crtcs[i], has);
}
}
static void
move_hw_cursor (MetaCursorTracker *tracker)
{
MetaMonitorManager *monitors;
MetaCRTC *crtcs;
unsigned int i, n_crtcs;
monitors = meta_monitor_manager_get ();
meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
g_assert (tracker->has_hw_cursor);
for (i = 0; i < n_crtcs; i++)
{
MetaRectangle *rect = &crtcs[i].rect;
gboolean has;
has = meta_rectangle_overlap (&tracker->current_rect, rect);
if (has != crtcs[i].has_hw_cursor)
meta_cursor_tracker_set_crtc_has_hw_cursor (tracker, &crtcs[i], has);
if (has)
drmModeMoveCursor (tracker->drm_fd, crtcs[i].crtc_id,
tracker->current_rect.x - rect->x,
tracker->current_rect.y - rect->y);
}
}
void
meta_cursor_tracker_set_sprite (MetaCursorTracker *tracker,
CoglTexture2D *sprite,
int hot_x,
int hot_y)
meta_cursor_tracker_set_buffer (MetaCursorTracker *tracker,
struct wl_resource *buffer,
int hot_x,
int hot_y)
{
MetaCursorReference *new_cursor;
if (buffer)
{
new_cursor = meta_cursor_reference_from_buffer (tracker, buffer, hot_x, hot_y);
meta_cursor_tracker_set_sprite (tracker, new_cursor);
meta_cursor_reference_unref (new_cursor);
}
else
meta_cursor_tracker_set_sprite (tracker, NULL);
}
static void
meta_cursor_tracker_set_sprite (MetaCursorTracker *tracker,
MetaCursorReference *sprite)
{
g_assert (meta_is_wayland_compositor ());
g_clear_pointer (&tracker->sprite, cogl_object_unref);
if (sprite == tracker->sprite)
return;
g_clear_pointer (&tracker->sprite, meta_cursor_reference_unref);
if (sprite)
{
tracker->sprite = cogl_object_ref (sprite);
tracker->hot_x = hot_x;
tracker->hot_y = hot_y;
cogl_pipeline_set_layer_texture (tracker->pipeline, 0, COGL_TEXTURE (tracker->sprite));
tracker->sprite = meta_cursor_reference_ref (sprite);
cogl_pipeline_set_layer_texture (tracker->pipeline, 0, COGL_TEXTURE (tracker->sprite->texture));
}
else
cogl_pipeline_set_layer_texture (tracker->pipeline, 0, NULL);
tracker->has_cursor = tracker->sprite != NULL && tracker->is_showing;
update_hw_cursor (tracker);
g_signal_emit (tracker, signals[CURSOR_CHANGED], 0);
meta_cursor_tracker_update_position (tracker, tracker->current_x, tracker->current_y);
@ -406,19 +861,24 @@ meta_cursor_tracker_update_position (MetaCursorTracker *tracker,
tracker->current_x = new_x;
tracker->current_y = new_y;
tracker->current_rect.x = tracker->current_x - tracker->hot_x;
tracker->current_rect.y = tracker->current_y - tracker->hot_y;
if (tracker->sprite)
{
tracker->current_rect.width = cogl_texture_get_width (COGL_TEXTURE (tracker->sprite));
tracker->current_rect.height = cogl_texture_get_height (COGL_TEXTURE (tracker->sprite));
tracker->current_rect.x = tracker->current_x - tracker->sprite->hot_x;
tracker->current_rect.y = tracker->current_y - tracker->sprite->hot_y;
tracker->current_rect.width = cogl_texture_get_width (COGL_TEXTURE (tracker->sprite->texture));
tracker->current_rect.height = cogl_texture_get_height (COGL_TEXTURE (tracker->sprite->texture));
}
else
{
tracker->current_rect.x = 0;
tracker->current_rect.y = 0;
tracker->current_rect.width = 0;
tracker->current_rect.height = 0;
}
if (tracker->has_hw_cursor)
move_hw_cursor (tracker);
}
void
@ -426,10 +886,9 @@ meta_cursor_tracker_paint (MetaCursorTracker *tracker)
{
g_assert (meta_is_wayland_compositor ());
if (tracker->sprite == NULL || tracker->is_showing == FALSE)
if (tracker->has_hw_cursor || !tracker->has_cursor)
return;
/* FIXME: try to use a DRM cursor when possible */
cogl_framebuffer_draw_rectangle (cogl_get_draw_framebuffer (),
tracker->pipeline,
tracker->current_rect.x,
@ -447,18 +906,58 @@ void
meta_cursor_tracker_queue_redraw (MetaCursorTracker *tracker,
ClutterActor *stage)
{
cairo_rectangle_int_t clip;
g_assert (meta_is_wayland_compositor ());
if (tracker->previous_is_valid)
{
clutter_actor_queue_redraw_with_clip (stage, &tracker->previous_rect);
cairo_rectangle_int_t clip = {
.x = tracker->previous_rect.x,
.y = tracker->previous_rect.y,
.width = tracker->previous_rect.width,
.height = tracker->previous_rect.height
};
clutter_actor_queue_redraw_with_clip (stage, &clip);
tracker->previous_is_valid = FALSE;
}
if (tracker->sprite == NULL)
if (tracker->has_hw_cursor || !tracker->has_cursor)
return;
clutter_actor_queue_redraw_with_clip (stage, &tracker->current_rect);
clip.x = tracker->current_rect.x;
clip.y = tracker->current_rect.y;
clip.width = tracker->current_rect.width;
clip.height = tracker->current_rect.height;
clutter_actor_queue_redraw_with_clip (stage, &clip);
}
static void
meta_cursor_tracker_set_crtc_has_hw_cursor (MetaCursorTracker *tracker,
MetaCRTC *crtc,
gboolean has)
{
if (has)
{
union gbm_bo_handle handle;
int width, height;
int hot_x, hot_y;
handle = gbm_bo_get_handle (tracker->sprite->bo);
width = gbm_bo_get_width (tracker->sprite->bo);
height = gbm_bo_get_height (tracker->sprite->bo);
hot_x = tracker->sprite->hot_x;
hot_y = tracker->sprite->hot_y;
drmModeSetCursor2 (tracker->drm_fd, crtc->crtc_id, handle.u32,
width, height, hot_x, hot_y);
crtc->has_hw_cursor = TRUE;
}
else
{
drmModeSetCursor2 (tracker->drm_fd, crtc->crtc_id, 0, 0, 0, 0, 0);
crtc->has_hw_cursor = FALSE;
}
}
static void
@ -527,6 +1026,9 @@ meta_cursor_tracker_set_pointer_visible (MetaCursorTracker *tracker,
MetaWaylandCompositor *compositor;
compositor = meta_wayland_compositor_get_default ();
tracker->has_cursor = tracker->sprite != NULL && visible;
update_hw_cursor (tracker);
meta_cursor_tracker_queue_redraw (tracker, compositor->stage);
}
else

3
src/core/monitor-private.h
View File

@ -136,6 +136,9 @@ struct _MetaCRTC
/* Used when changing configuration */
gboolean is_dirty;
/* Updated by MetaCursorTracker */
gboolean has_hw_cursor;
};
struct _MetaMonitorMode

21
src/core/monitor.c
View File

@ -1361,12 +1361,21 @@ meta_monitor_manager_get_resources (MetaMonitorManager *manager,
MetaOutput **outputs,
unsigned int *n_outputs)
{
*modes = manager->modes;
*n_modes = manager->n_modes;
*crtcs = manager->crtcs;
*n_crtcs = manager->n_crtcs;
*outputs = manager->outputs;
*n_outputs = manager->n_outputs;
if (modes)
{
*modes = manager->modes;
*n_modes = manager->n_modes;
}
if (crtcs)
{
*crtcs = manager->crtcs;
*n_crtcs = manager->n_crtcs;
}
if (outputs)
{
*outputs = manager->outputs;
*n_outputs = manager->n_outputs;
}
}
int

15
src/wayland/meta-wayland-seat.c
View File

@ -77,7 +77,7 @@ pointer_unmap_sprite (MetaWaylandSeat *seat)
{
if (seat->cursor_tracker)
{
meta_cursor_tracker_set_sprite (seat->cursor_tracker,
meta_cursor_tracker_set_buffer (seat->cursor_tracker,
NULL, 0, 0);
if (seat->current_stage)
@ -95,29 +95,20 @@ pointer_unmap_sprite (MetaWaylandSeat *seat)
void
meta_wayland_seat_update_sprite (MetaWaylandSeat *seat)
{
ClutterBackend *backend;
CoglContext *context;
struct wl_resource *buffer;
CoglTexture2D *texture;
if (seat->cursor_tracker == NULL)
return;
backend = clutter_get_default_backend ();
context = clutter_backend_get_cogl_context (backend);
buffer = seat->sprite->buffer_ref.buffer->resource;
texture = cogl_wayland_texture_2d_new_from_buffer (context, buffer, NULL);
meta_cursor_tracker_set_sprite (seat->cursor_tracker,
texture,
meta_cursor_tracker_set_buffer (seat->cursor_tracker,
buffer,
seat->hotspot_x,
seat->hotspot_y);
if (seat->current_stage)
meta_cursor_tracker_queue_redraw (seat->cursor_tracker,
CLUTTER_ACTOR (seat->current_stage));
cogl_object_unref (texture);
}
static void