Mark layers that can use LCD text based on layer transform and opacity.

- Text AA settings are not adjusted during animation to avoid repaints.
- Renamed Layer::useLCDText to Layer::canUseLCDText.


BUG=100666


Review URL: https://chromiumcodereview.appspot.com/11360093

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@172842 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 6 insertions, 0 deletions

diff --git a/cc/draw_properties.h b/cc/draw_properties.h
index e1c8165..3895ef0 100644
--- a/cc/draw_properties.h
+++ b/cc/draw_properties.h
@@ -18,8 +18,10 @@ struct CC_EXPORT DrawProperties {
     DrawProperties()
         : opacity(0)
         , opacity_is_animating(false)
+        , screen_space_opacity_is_animating(false)
         , target_space_transform_is_animating(false)
         , screen_space_transform_is_animating(false)
+        , can_use_lcd_text(false)
         , is_clipped(false)
         , render_target(0)
         , num_descendants_that_draw_content(0)
@@ -43,9 +45,13 @@ struct CC_EXPORT DrawProperties {
     // animating, the main thread may not have the same values that are used
     // to draw.
     bool opacity_is_animating;
+    bool screen_space_opacity_is_animating;
     bool target_space_transform_is_animating;
     bool screen_space_transform_is_animating;
 
+    // True if the layer can use LCD text.
+    bool can_use_lcd_text;
+
     // True if the layer needs to be clipped by clipRect.
     bool is_clipped;