Ozone: Dont hardcode format to YUV when using Overlay Composition.

ui/ozone/platform/drm/gpu/hardware_display_controller.cc

Index: ui/ozone/platform/drm/gpu/hardware_display_controller.cc
diff --git a/ui/ozone/platform/drm/gpu/hardware_display_controller.cc b/ui/ozone/platform/drm/gpu/hardware_display_controller.cc
index 1b503c558f8bb440ca8b894bc44d00b643f778c0..46cb247a7414e2639b2c027e258e3460731dc908 100644
--- a/ui/ozone/platform/drm/gpu/hardware_display_controller.cc
+++ b/ui/ozone/platform/drm/gpu/hardware_display_controller.cc
@@ -156,6 +156,21 @@ std::vector<uint32_t> HardwareDisplayController::GetCompatibleHardwarePlaneIds(
   return plane_ids;
 }
 
+bool HardwareDisplayController::IsFormatSupported(uint32_t fourcc_format,
+                                                  uint32_t z_order) const {
+  if (!crtc_controllers_[0]->IsFormatSupported(fourcc_format, z_order))

[dnicoara, 2015/11/09 20:53:23]

This can be handled in the for-loop.

+    return false;
+
+  for (size_t i = 1; i < crtc_controllers_.size(); ++i) {
+    // Make sure all mirrored displays have overlays to support this
+    // plane.
+    if (!crtc_controllers_[i]->IsFormatSupported(fourcc_format, z_order))
+      return false;
+  }
+
+  return true;
+}
+
 bool HardwareDisplayController::SetCursor(
     const scoped_refptr<ScanoutBuffer>& buffer) {
   bool status = true;