diff options
Diffstat (limited to 'weston-ivi-shell/src/ivi-share-gbm.c')
| -rw-r--r-- | weston-ivi-shell/src/ivi-share-gbm.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/weston-ivi-shell/src/ivi-share-gbm.c b/weston-ivi-shell/src/ivi-share-gbm.c new file mode 100644 index 0000000..310270b --- /dev/null +++ b/weston-ivi-shell/src/ivi-share-gbm.c @@ -0,0 +1,169 @@ +/************************************************************************** + * + * 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; +} |