Merge pull request flutter#618 from abarth/clear_black

Clear the frame to black before drawing
brucewrong · Aug 14, 2015 · 810c2a6 · 810c2a6
2 parents 33ec74a + 011ce5d
commit 810c2a6
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Showing 3 changed files with 3 additions and 2 deletions.
diff --git a/services/sky/compositor/rasterizer_bitmap.cc b/services/sky/compositor/rasterizer_bitmap.cc
@@ -31,8 +31,7 @@ scoped_ptr<mojo::GLTexture> RasterizerBitmap::Rasterize(SkPicture* picture) {
 
   SkBitmapDevice device(bitmap_);
   SkCanvas canvas(&device);
-  // Draw red so we can see when we fail to paint.
-  canvas.drawColor(SK_ColorRED);
+  canvas.clear(SK_ColorBLACK);
   canvas.drawPicture(picture);
   canvas.flush();
 

diff --git a/services/sky/compositor/rasterizer_ganesh.cc b/services/sky/compositor/rasterizer_ganesh.cc
@@ -29,6 +29,7 @@ scoped_ptr<mojo::GLTexture> RasterizerGanesh::Rasterize(SkPicture* picture) {
                               host_->resource_manager()->CreateTexture(size));
 
   SkCanvas* canvas = surface.canvas();
+  canvas->clear(SK_ColorBLACK);
   canvas->drawPicture(picture);
   canvas->flush();
 

diff --git a/sky/shell/gpu/rasterizer.cc b/sky/shell/gpu/rasterizer.cc
@@ -66,6 +66,7 @@ void Rasterizer::Draw(PassRefPtr<SkPicture> picture) {
 void Rasterizer::DrawPicture(SkPicture* picture) {
   TRACE_EVENT0("sky", "Rasterizer::DrawPicture");
   SkCanvas* canvas = ganesh_surface_->canvas();
+  canvas->clear(SK_ColorBLACK);
   canvas->drawPicture(picture);
   canvas->flush();
 }