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| author | Chris Craik <ccraik@google.com> | 2012-04-20 11:28:59 -0700 |
|---|---|---|
| committer | Teng-Hui Zhu <ztenghui@google.com> | 2012-04-24 13:17:58 -0700 |
| commit | 32ce41e0241790f20e63cafea4d3c1db87423eec (patch) | |
| tree | a72d776306a0a76d099f3997c35a84a4750fa02f /Source/WebCore/platform/graphics/android/rendering/Tile.h | |
| parent | 492bcfac9fc25b61f44811050fb0cfe827eb6a08 (diff) | |
| download | external_webkit-32ce41e0241790f20e63cafea4d3c1db87423eec.zip external_webkit-32ce41e0241790f20e63cafea4d3c1db87423eec.tar.gz external_webkit-32ce41e0241790f20e63cafea4d3c1db87423eec.tar.bz2 | |
Don't overdraw TileGrids
Given the visible area info, we can just tune the shader and matrix to draw
partial tile at the edge of TileGrids. This could save a lot of GPU time.
Change-Id: I1a45aa9a3a76ab5894096828bfff83057b1c9272
Diffstat (limited to 'Source/WebCore/platform/graphics/android/rendering/Tile.h')
| -rw-r--r-- | Source/WebCore/platform/graphics/android/rendering/Tile.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Source/WebCore/platform/graphics/android/rendering/Tile.h b/Source/WebCore/platform/graphics/android/rendering/Tile.h index fa06892..58ba15b 100644 --- a/Source/WebCore/platform/graphics/android/rendering/Tile.h +++ b/Source/WebCore/platform/graphics/android/rendering/Tile.h @@ -29,6 +29,7 @@ #if USE(ACCELERATED_COMPOSITING) #include "BaseRenderer.h" +#include "FloatPoint.h" #include "SkRect.h" #include "SkRegion.h" #include "TextureOwner.h" @@ -102,7 +103,8 @@ public: // Return false when real draw didn't happen for any reason. bool drawGL(float opacity, const SkRect& rect, float scale, const TransformationMatrix* transform, - bool forceBlending = false, bool usePointSampling = false); + bool forceBlending, bool usePointSampling, + const FloatPoint& fillPortion); // the only thread-safe function called by the background thread void paintBitmap(TilePainter* painter); |