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/**************************************************************************
*
* Copyright 2015 Codethink Ltd
* Copyright (C) 2015 Advanced Driver Information Technology Joint Venture GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
****************************************************************************/
#include <stdio.h>
#include <stdint.h>
#include <fcntl.h>
#include <stdbool.h>
#include <string.h>
#include <assert.h>
#include <sys/time.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <gbm.h>
#include <libudev.h>
#include "wayland-server.h"
#include "weston/compositor.h"
#include "ivi-share-server-protocol.h"
#include "ivi-controller-interface.h"
#include "ivi-share.h"
static uint32_t nativesurface_name;
/* copied from libinput-seat.h of weston-1.9.0 */
struct udev_input {
struct libinput *libinput;
struct wl_event_source *libinput_source;
struct weston_compositor *compositor;
int suspended;
};
/* copied from compositor-drm.c of weston-1.9.0 */
struct drm_backend {
struct weston_backend base;
struct weston_compositor *compositor;
struct udev *udev;
struct wl_event_source *drm_source;
struct udev_monitor *udev_monitor;
struct wl_event_source *udev_drm_source;
struct {
int id;
int fd;
char *filename;
} drm;
struct gbm_device *gbm;
uint32_t *crtcs;
int num_crtcs;
uint32_t crtc_allocator;
uint32_t connector_allocator;
struct wl_listener session_listener;
uint32_t format;
/* we need these parameters in order to not fail drmModeAddFB2()
* due to out of bounds dimensions, and then mistakenly set
* sprites_are_broken:
*/
uint32_t min_width, max_width;
uint32_t min_height, max_height;
int no_addfb2;
struct wl_list sprite_list;
int sprites_are_broken;
int sprites_hidden;
int cursors_are_broken;
int use_pixman;
uint32_t prev_state;
struct udev_input input;
int32_t cursor_width;
int32_t cursor_height;
};
uint32_t
get_buffer_name(struct weston_surface *surface,
struct ivi_shell_share_ext *shell_ext)
{
(void)surface;
return nativesurface_name;
}
uint32_t
update_buffer_nativesurface(struct ivi_share_nativesurface *p_nativesurface,
struct ivi_shell_share_ext *shell_ext)
{
if (NULL == p_nativesurface || NULL == p_nativesurface->surface) {
return IVI_SHAREBUFFER_NOT_AVAILABLE;
}
struct drm_backend *backend =
(struct drm_backend*)p_nativesurface->surface->compositor->backend;
if (NULL == backend) {
return IVI_SHAREBUFFER_NOT_AVAILABLE;
}
struct weston_buffer *buffer = p_nativesurface->surface->buffer_ref.buffer;
if (!buffer) {
return IVI_SHAREBUFFER_NOT_AVAILABLE;
}
struct gbm_bo *bo = gbm_bo_import(backend->gbm, GBM_BO_IMPORT_WL_BUFFER,
buffer->legacy_buffer, GBM_BO_USE_SCANOUT);
if (!bo) {
weston_log("failed to import gbm_bo\n");
return IVI_SHAREBUFFER_INVALID;
}
struct drm_gem_flink flink = {0};
flink.handle = gbm_bo_get_handle(bo).u32;
if (drmIoctl(gbm_device_get_fd(backend->gbm), DRM_IOCTL_GEM_FLINK, &flink) != 0) {
weston_log("gem_flink: returned non-zero failed\n");
gbm_bo_destroy(bo);
return IVI_SHAREBUFFER_INVALID;
}
uint32_t name = flink.name;
uint32_t width = gbm_bo_get_width(bo);
uint32_t height = gbm_bo_get_height(bo);
uint32_t stride = gbm_bo_get_stride(bo);
uint32_t format = IVI_SHARE_SURFACE_FORMAT_ARGB8888;
uint32_t ret = IVI_SHAREBUFFER_STABLE;
nativesurface_name = name;
if (name != p_nativesurface->name) {
ret |= IVI_SHAREBUFFER_DAMAGE;
}
if (width != p_nativesurface->width) {
ret |= IVI_SHAREBUFFER_CONFIGURE;
}
if (height != p_nativesurface->height) {
ret |= IVI_SHAREBUFFER_CONFIGURE;
}
if (stride != p_nativesurface->stride) {
ret |= IVI_SHAREBUFFER_CONFIGURE;
}
p_nativesurface->name = name;
p_nativesurface->width = width;
p_nativesurface->height = height;
p_nativesurface->stride = stride;
p_nativesurface->format = format;
gbm_bo_destroy(bo);
return ret;
}
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