diff options
Diffstat (limited to 'meta-agl-profile-graphical/recipes-graphics/wayland/weston/0003-compositor-drm-introduce-drm_get_dmafd_from_view.patch')
| -rw-r--r-- | meta-agl-profile-graphical/recipes-graphics/wayland/weston/0003-compositor-drm-introduce-drm_get_dmafd_from_view.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/meta-agl-profile-graphical/recipes-graphics/wayland/weston/0003-compositor-drm-introduce-drm_get_dmafd_from_view.patch b/meta-agl-profile-graphical/recipes-graphics/wayland/weston/0003-compositor-drm-introduce-drm_get_dmafd_from_view.patch new file mode 100644 index 000000000..f67f1c07a --- /dev/null +++ b/meta-agl-profile-graphical/recipes-graphics/wayland/weston/0003-compositor-drm-introduce-drm_get_dmafd_from_view.patch @@ -0,0 +1,103 @@ +From 6bed527fe0a4101ef214abaf2cd82609b6c510e4 Mon Sep 17 00:00:00 2001 +From: Veeresh Kadasani <external.vkadasani@jp.adit-jv.com> +Date: Tue, 30 Jul 2019 20:25:34 +0900 +Subject: [PATCH 2/2] compositor-drm: introduce drm_get_dmafd_from_view + +This API enables to get dmafd from weston_view + +Signed-off-by: Veeresh Kadasani <external.vkadasani@jp.adit-jv.com> +--- + libweston/compositor-drm.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++ + libweston/compositor-drm.h | 7 ++++++ + 2 files changed, 65 insertions(+) + +diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c +index b83459a..5cabfb5 100644 +--- a/libweston/compositor-drm.c ++++ b/libweston/compositor-drm.c +@@ -5849,6 +5849,64 @@ drm_output_set_seat(struct weston_output *base, + } + + static int ++drm_get_dma_fd_from_view(struct weston_output *base, ++ struct weston_view *ev, int *buf_stride) ++{ ++ struct drm_backend *b = to_drm_backend(base->compositor); ++ struct weston_buffer *buffer = ev->surface->buffer_ref.buffer; ++ struct gbm_bo *bo; ++ struct drm_fb *current; ++ struct linux_dmabuf_buffer *dmabuf; ++ bool is_opaque = drm_view_is_opaque(ev); ++ uint32_t format; ++ int fd, ret; ++ ++ if(!buffer) { ++ weston_log("buffer is NULL\n"); ++ return -1; ++ } ++ ++ if(dmabuf = linux_dmabuf_buffer_get(buffer->resource)) { ++ current = drm_fb_get_from_dmabuf(dmabuf, b, is_opaque); ++ if (!current) ++ { ++ fprintf(stderr, "failed to get drm_fb from dmabuf\n"); ++ return -1; ++ } ++ *buf_stride=current->strides[0]; ++ } ++ else if(ev->surface->buffer_ref.buffer->legacy_buffer) { ++ bo = gbm_bo_import(b->gbm, GBM_BO_IMPORT_WL_BUFFER, ++ buffer->resource, GBM_BO_USE_SCANOUT); ++ if (!bo) { ++ weston_log("failed to get gbm_bo\n"); ++ return -1; ++ } ++ current = drm_fb_get_from_bo(bo, b, is_opaque, BUFFER_CLIENT); ++ ++ if (!current) { ++ weston_log("failed to get drm_fb from bo\n"); ++ return -1; ++ } ++ *buf_stride=current->strides[0]; ++ } ++ else { ++ weston_log("Buffer is not supported\n"); ++ return -1; ++ } ++ ++ ret = drmPrimeHandleToFD(b->drm.fd, current->handles[0], ++ DRM_CLOEXEC, &fd); ++ free(current); ++ if (ret) { ++ weston_log("failed to create prime fd for front buffer\n"); ++ return -1; ++ } ++ ++ return fd; ++} ++ ++static int + drm_output_init_gamma_size(struct drm_output *output) + { + struct drm_backend *backend = to_drm_backend(output->base.compositor); +diff --git a/libweston/compositor-drm.h b/libweston/compositor-drm.h +index 71a306f..4f985d3 100644 +--- a/libweston/compositor-drm.h ++++ b/libweston/compositor-drm.h +@@ -78,6 +78,13 @@ struct weston_drm_output_api { + */ + void (*set_seat)(struct weston_output *output, + const char *seat); ++ ++ /** Get the dma fd from drm view. ++ * ++ * The dma fd is got from weston_view. ++ * Returns fd on success, -1 on failure. ++ */ ++ int (*get_dma_fd_from_view)(struct weston_output *output, struct weston_view *view, int *buf_stride); + }; + + static inline const struct weston_drm_output_api * +-- +2.7.4 + |