diff options
Diffstat (limited to 'backend/drm')
| -rw-r--r-- | backend/drm/drm.c | 20 | ||||
| -rw-r--r-- | backend/drm/renderer.c | 43 |
2 files changed, 53 insertions, 10 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c index ef8efb9a..c5db480e 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -254,6 +254,25 @@ static uint32_t drm_connector_get_gamma_size(struct wlr_output *output) { return 0; } +static bool drm_connector_export_dmabuf(struct wlr_output *output, + struct wlr_dmabuf_attributes *attribs) { + struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output; + struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend; + + if (!drm->session->active) { + return false; + } + + struct wlr_drm_crtc *crtc = conn->crtc; + if (!crtc) { + return false; + } + struct wlr_drm_plane *plane = crtc->primary; + struct wlr_drm_surface *surf = &plane->surf; + + return export_drm_bo(surf->back, attribs); +} + static void drm_connector_start_renderer(struct wlr_drm_connector *conn) { if (conn->state != WLR_DRM_CONN_CONNECTED) { return; @@ -742,6 +761,7 @@ static const struct wlr_output_impl output_impl = { .swap_buffers = drm_connector_swap_buffers, .set_gamma = drm_connector_set_gamma, .get_gamma_size = drm_connector_get_gamma_size, + .export_dmabuf = drm_connector_export_dmabuf, }; bool wlr_output_is_drm(struct wlr_output *output) { diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c index 72a0254b..0ab63c86 100644 --- a/backend/drm/renderer.c +++ b/backend/drm/renderer.c @@ -160,6 +160,34 @@ void post_drm_surface(struct wlr_drm_surface *surf) { } } +bool export_drm_bo(struct gbm_bo *bo, struct wlr_dmabuf_attributes *attribs) { + memset(attribs, 0, sizeof(struct wlr_dmabuf_attributes)); + + attribs->n_planes = gbm_bo_get_plane_count(bo); + if (attribs->n_planes > WLR_DMABUF_MAX_PLANES) { + return false; + } + + attribs->width = gbm_bo_get_width(bo); + attribs->height = gbm_bo_get_height(bo); + attribs->format = gbm_bo_get_format(bo); + attribs->modifier = gbm_bo_get_modifier(bo); + + for (int i = 0; i < attribs->n_planes; ++i) { + attribs->offset[i] = gbm_bo_get_offset(bo, i); + attribs->stride[i] = gbm_bo_get_stride_for_plane(bo, i); + attribs->fd[i] = gbm_bo_get_fd(bo); + if (attribs->fd[i] < 0) { + for (int j = 0; j < i; ++j) { + close(attribs->fd[j]); + } + return false; + } + } + + return true; +} + struct tex { struct wlr_egl *egl; EGLImageKHR img; @@ -186,16 +214,11 @@ static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer, return NULL; } - struct wlr_dmabuf_attributes attribs = { - .n_planes = 1, - .width = gbm_bo_get_width(bo), - .height = gbm_bo_get_height(bo), - .format = gbm_bo_get_format(bo), - .modifier = DRM_FORMAT_MOD_LINEAR, - }; - attribs.offset[0] = 0; - attribs.stride[0] = gbm_bo_get_stride_for_plane(bo, 0); - attribs.fd[0] = gbm_bo_get_fd(bo); + struct wlr_dmabuf_attributes attribs; + if (!export_drm_bo(bo, &attribs)) { + free(tex); + return NULL; + } tex->tex = wlr_texture_from_dmabuf(renderer->wlr_rend, &attribs); if (tex->tex == NULL) { |