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-rw-r--r--backend/drm/drm.c7
-rw-r--r--include/backend/drm/drm.h2
-rw-r--r--include/wlr/interfaces/wlr_output.h2
-rw-r--r--include/wlr/types/wlr_output.h8
-rw-r--r--types/wlr_output.c7
5 files changed, 16 insertions, 10 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index e37eba74..e61e624d 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -342,17 +342,17 @@ static void drm_connector_start_renderer(struct wlr_drm_connector *conn) {
}
}
-void enable_drm_connector(struct wlr_output *output, bool enable) {
+bool enable_drm_connector(struct wlr_output *output, bool enable) {
struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
if (conn->state != WLR_DRM_CONN_CONNECTED
&& conn->state != WLR_DRM_CONN_NEEDS_MODESET) {
- return;
+ return false;
}
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)output->backend;
bool ok = drm->iface->conn_enable(drm, conn, enable);
if (!ok) {
- return;
+ return false;
}
if (enable) {
@@ -360,6 +360,7 @@ void enable_drm_connector(struct wlr_output *output, bool enable) {
}
wlr_output_update_enabled(&conn->output, enable);
+ return true;
}
static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in,
diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index fe279917..25225227 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -143,6 +143,6 @@ void finish_drm_resources(struct wlr_drm_backend *drm);
void restore_drm_outputs(struct wlr_drm_backend *drm);
void scan_drm_connectors(struct wlr_drm_backend *state);
int handle_drm_event(int fd, uint32_t mask, void *data);
-void enable_drm_connector(struct wlr_output *output, bool enable);
+bool enable_drm_connector(struct wlr_output *output, bool enable);
#endif
diff --git a/include/wlr/interfaces/wlr_output.h b/include/wlr/interfaces/wlr_output.h
index 4860a5b6..4cbf0d67 100644
--- a/include/wlr/interfaces/wlr_output.h
+++ b/include/wlr/interfaces/wlr_output.h
@@ -15,7 +15,7 @@
#include <wlr/types/wlr_output.h>
struct wlr_output_impl {
- void (*enable)(struct wlr_output *output, bool enable);
+ bool (*enable)(struct wlr_output *output, bool enable);
bool (*set_mode)(struct wlr_output *output, struct wlr_output_mode *mode);
bool (*set_custom_mode)(struct wlr_output *output, int32_t width,
int32_t height, int32_t refresh);
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
index 3a9f3c41..ded57959 100644
--- a/include/wlr/types/wlr_output.h
+++ b/include/wlr/types/wlr_output.h
@@ -124,11 +124,15 @@ struct wlr_output_event_swap_buffers {
struct wlr_surface;
-void wlr_output_enable(struct wlr_output *output, bool enable);
+/**
+ * Enables or disables the output. A disabled output is turned off and doesn't
+ * emit `frame` events.
+ */
+bool wlr_output_enable(struct wlr_output *output, bool enable);
void wlr_output_create_global(struct wlr_output *output);
void wlr_output_destroy_global(struct wlr_output *output);
/**
- * Sets the output mode.
+ * Sets the output mode. Enables the output if it's currently disabled.
*/
bool wlr_output_set_mode(struct wlr_output *output,
struct wlr_output_mode *mode);
diff --git a/types/wlr_output.c b/types/wlr_output.c
index abbdab9c..b864bc6c 100644
--- a/types/wlr_output.c
+++ b/types/wlr_output.c
@@ -142,14 +142,15 @@ static void output_update_matrix(struct wlr_output *output) {
output->height, output->transform);
}
-void wlr_output_enable(struct wlr_output *output, bool enable) {
+bool wlr_output_enable(struct wlr_output *output, bool enable) {
if (output->enabled == enable) {
- return;
+ return true;
}
if (output->impl->enable) {
- output->impl->enable(output, enable);
+ return output->impl->enable(output, enable);
}
+ return false;
}
bool wlr_output_set_mode(struct wlr_output *output,