Load and apply a vcgt table from an ICC file to the internal display

ui/ozone/platform/drm/gpu/drm_device.h

Index: ui/ozone/platform/drm/gpu/drm_device.h
diff --git a/ui/ozone/platform/drm/gpu/drm_device.h b/ui/ozone/platform/drm/gpu/drm_device.h
index 546311c5e59589a61b5edaf3fbc168a52782e878..c636060f675c15e148e3b28752dc1aae9c9baedc 100644
--- a/ui/ozone/platform/drm/gpu/drm_device.h
+++ b/ui/ozone/platform/drm/gpu/drm_device.h
@@ -158,6 +158,12 @@ class OZONE_EXPORT DrmDevice : public base::RefCountedThreadSafe<DrmDevice> {
                                 uint32_t flags,
                                 const PageFlipCallback& callback);
 
+  // Set the gamma ramp for |crtc_id| to reflect the ramps in |r|, |g| and |b|.
+  virtual bool SetGammaRamp(uint32_t crtc_id,
+                            std::vector<uint16_t> r,

[spang, 2015/04/17 17:04:51]

const &

(or if you do want it to copy, you should remove the const_casts)

[robert.bradford, 2015/04/17 17:17:48]

Whoops. Fixed now, thanks for checking this, I didn't want to copy as these
vectors will be relatively large.

+                            std::vector<uint16_t> g,
+                            std::vector<uint16_t> b);
+
   // Drm master related
   virtual bool SetMaster();
   virtual bool DropMaster();