[PATCH hwc v1 5/6] drm_hwcomposer: Add GetCrtcCount function

[Robert Foss]

This GetCrtrcCount helper functions enables convenient
fetching of the number of Crtcs from DrmResources.

Signed-off-by: Robert Foss <robert.foss at collabora.com>
---
 drmresources.cpp | 4 ++++
 drmresources.h   | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drmresources.cpp b/drmresources.cpp
index 762f5ef..0578cc6 100644
--- a/drmresources.cpp
+++ b/drmresources.cpp
@@ -241,6 +241,10 @@ DrmPlane *DrmResources::GetPlane(uint32_t id) const {
   return NULL;
 }
 
+uint32_t DrmResources::GetCrtcCount() const {
+  return (uint32_t) crtcs_.size();
+}
+
 uint32_t DrmResources::next_mode_id() {
   return ++mode_id_;
 }
diff --git a/drmresources.h b/drmresources.h
index a2d8d16..0cc2456 100644
--- a/drmresources.h
+++ b/drmresources.h
@@ -66,6 +66,7 @@ class DrmResources {
   int GetConnectorProperty(const DrmConnector &connector, const char *prop_name,
                            DrmProperty *property);
 
+  uint32_t GetCrtcCount() const;
   uint32_t next_mode_id();
 
   int CreatePropertyBlob(void *data, size_t length, uint32_t *blob_id);
-- 
2.11.0