Update waltham-transmitter patches to weston 5.0 & 6.0
[AGL/meta-agl.git] / meta-agl-profile-graphical / recipes-graphics / wayland / weston / 0003-compositor-drm-introduce-drm_get_dmafd_from_view.patch
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 (file)
index 0000000..f67f1c0
--- /dev/null
@@ -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
+