compositor-drm: support hdr10 metadata protocol
Upstream-Status: Inappropriate [i.MX-specific]
Signed-off-by: Haihua Hu <jared.hu@nxp.com>
diff --git a/Makefile.am b/Makefile.am
index f298fd2..f01282a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -171,7 +171,9 @@
protocol/weston-touch-calibration-protocol.c \
protocol/weston-touch-calibration-server-protocol.h \
protocol/alpha-compositing-unstable-v1-protocol.c \
- protocol/alpha-compositing-unstable-v1-server-protocol.h
+ protocol/alpha-compositing-unstable-v1-server-protocol.h\
+ protocol/hdr10-metadata-unstable-v1-protocol.c \
+ protocol/hdr10-metadata-unstable-v1-server-protocol.h
BUILT_SOURCES += $(nodist_libweston_@LIBWESTON_MAJOR@_la_SOURCES)
diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
index 0648796..bbdc80a 100644
--- a/libweston/compositor-drm.c
+++ b/libweston/compositor-drm.c
@@ -74,6 +74,7 @@
#include "presentation-time-server-protocol.h"
#include "linux-dmabuf.h"
#include "linux-dmabuf-unstable-v1-server-protocol.h"
+#include "hdr10-metadata-unstable-v1-server-protocol.h"
#ifndef DRM_CLIENT_CAP_ASPECT_RATIO
#define DRM_CLIENT_CAP_ASPECT_RATIO 4
@@ -192,6 +193,7 @@
WDRM_CONNECTOR_EDID = 0,
WDRM_CONNECTOR_DPMS,
WDRM_CONNECTOR_CRTC_ID,
+ WDRM_CONNECTOR_HDR10_METADATA,
WDRM_CONNECTOR__COUNT
};
@@ -226,6 +228,7 @@
.num_enum_values = WDRM_DPMS_STATE__COUNT,
},
[WDRM_CONNECTOR_CRTC_ID] = { .name = "CRTC_ID", },
+ [WDRM_CONNECTOR_HDR10_METADATA] = { .name = "HDR_SOURCE_METADATA", },
};
/**
@@ -278,6 +281,9 @@
struct wl_listener session_listener;
uint32_t gbm_format;
+ /* hdr10 metadata blob id */
+ unsigned int hdr_blob_id;
+
/* we need these parameters in order to not fail drmModeAddFB2()
* due to out of bounds dimensions, and then mistakenly set
* sprites_are_broken:
@@ -2581,6 +2587,15 @@
ret |= connector_add_prop(req, head, WDRM_CONNECTOR_CRTC_ID,
output->crtc_id);
}
+
+ if (backend->hdr_blob_id > 0) {
+ wl_list_for_each(head, &output->base.head_list, base.output_link) {
+ /* checking if the output driver this head */
+ if (head->base.output == &output->base)
+ connector_add_prop(req, head, WDRM_CONNECTOR_HDR10_METADATA,
+ backend->hdr_blob_id);
+ }
+ }
} else {
ret |= crtc_add_prop(req, output, WDRM_CRTC_MODE_ID, 0);
ret |= crtc_add_prop(req, output, WDRM_CRTC_ACTIVE, 0);
@@ -2779,6 +2794,10 @@
assert(wl_list_empty(&pending_state->output_list));
out:
+ if (b->hdr_blob_id > 0) {
+ drmModeDestroyPropertyBlob (b->drm.fd, b->hdr_blob_id);
+ b->hdr_blob_id = 0;
+ }
drmModeAtomicFree(req);
drm_pending_state_free(pending_state);
return ret;
@@ -7112,6 +7131,96 @@
drm_output_set_seat,
};
+static void
+hdr10_metadata_destroy(struct wl_client *client,
+ struct wl_resource *resource)
+{
+ wl_resource_destroy(resource);
+}
+
+static void
+hdr10_metadata_set_metadata(struct wl_client *client,
+ struct wl_resource *resource,
+ uint32_t eotf,
+ uint32_t type,
+ uint32_t display_primaries_red,
+ uint32_t display_primaries_green,
+ uint32_t display_primaries_blue,
+ uint32_t white_point,
+ uint32_t mastering_display_luminance,
+ uint32_t max_cll,
+ uint32_t max_fall)
+{
+ struct weston_compositor *compositor = wl_resource_get_user_data(resource);
+ struct drm_backend *b = to_drm_backend(compositor);
+ struct hdr_static_metadata hdr_metadata;
+
+ hdr_metadata.eotf = eotf & 0xffff;
+ hdr_metadata.type = type & 0xffff;
+ hdr_metadata.display_primaries_x[0] = (display_primaries_red >> 16) & 0xffff;
+ hdr_metadata.display_primaries_y[0] = display_primaries_red & 0xffff;
+ hdr_metadata.display_primaries_x[1] = (display_primaries_green >> 16) & 0xffff;
+ hdr_metadata.display_primaries_y[1] = display_primaries_green & 0xffff;
+ hdr_metadata.display_primaries_x[2] = (display_primaries_blue >> 16) & 0xffff;
+ hdr_metadata.display_primaries_y[2] = display_primaries_blue & 0xffff;
+ hdr_metadata.white_point_x = (white_point >> 16) & 0xffff;
+ hdr_metadata.white_point_y = white_point & 0xffff;
+ hdr_metadata.max_mastering_display_luminance =
+ (mastering_display_luminance >> 16) & 0xffff;
+ hdr_metadata.min_mastering_display_luminance =
+ mastering_display_luminance & 0xffff;
+ hdr_metadata.max_cll = max_cll & 0xffff;
+ hdr_metadata.max_fall = max_fall & 0xffff;
+
+ drmModeCreatePropertyBlob(b->drm.fd, &hdr_metadata, sizeof(hdr_metadata), &b->hdr_blob_id);
+}
+
+static const struct zwp_hdr10_metadata_v1_interface hdr10_metadata_interface = {
+ hdr10_metadata_destroy,
+ hdr10_metadata_set_metadata,
+};
+
+static void
+bind_hdr10_metadata(struct wl_client *client,
+ void *data, uint32_t version, uint32_t id)
+{
+ struct wl_resource *resource;
+ struct weston_compositor *compositor = data;
+
+ resource = wl_resource_create(client, &zwp_hdr10_metadata_v1_interface,
+ version, id);
+ if (resource == NULL) {
+ wl_client_post_no_memory(client);
+ return;
+ }
+
+ wl_resource_set_implementation(resource, &hdr10_metadata_interface,
+ compositor, NULL);
+}
+
+static bool
+drm_backend_is_hdr_supported(struct weston_compositor *compositor)
+{
+ struct drm_output *output;
+ struct drm_head *head;
+
+ wl_list_for_each(output, &compositor->output_list, base.link) {
+ wl_list_for_each(head, &output->base.head_list, base.output_link) {
+ if (head->props_conn[WDRM_CONNECTOR_HDR10_METADATA].prop_id > 0)
+ return true;
+ }
+ }
+
+ wl_list_for_each(output, &compositor->pending_output_list, base.link) {
+ wl_list_for_each(head, &output->base.head_list, base.output_link) {
+ if (head->props_conn[WDRM_CONNECTOR_HDR10_METADATA].prop_id > 0)
+ return true;
+ }
+ }
+
+ return true;
+}
+
static struct drm_backend *
drm_backend_create(struct weston_compositor *compositor,
struct weston_drm_backend_config *config)
@@ -7282,6 +7391,15 @@
"support failed.\n");
}
+ if (drm_backend_is_hdr_supported(compositor)) {
+ if (!wl_global_create(compositor->wl_display, &zwp_hdr10_metadata_v1_interface, 1,
+ compositor, bind_hdr10_metadata)) {
+ weston_log("Error: initializing hdr10 support failed\n");
+ }
+ } else {
+ weston_log("info: HDR is not support\n");
+ }
+
ret = weston_plugin_api_register(compositor, WESTON_DRM_OUTPUT_API_NAME,
&api, sizeof(api));
