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Unified Diff: cc/base/tiling_data.h

Issue 2445363002: cc: Add functions for getting absolute tile indices.
Patch Set: Created 4 years, 2 months ago
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Index: cc/base/tiling_data.h
diff --git a/cc/base/tiling_data.h b/cc/base/tiling_data.h
index 590049ebcbf73e89a1a395518307d8a137141e84..df71afa5c3aacc5fd5021a6411daccd4a87b7668 100644
--- a/cc/base/tiling_data.h
+++ b/cc/base/tiling_data.h
@@ -47,6 +47,10 @@ class CC_EXPORT TilingData {
// Return the tile index whose non-border texels include src_position.
int TileXIndexFromSrcCoord(int src_position) const;
int TileYIndexFromSrcCoord(int src_position) const;
+ // Return the absolute tile index, assuming tiling size to be infinite in all
+ // quadrants.
+ int TileAbsoluteXIndexFromSrcCoord(int src_position) const;
+ int TileAbsoluteYIndexFromSrcCoord(int src_position) const;
// Return the lowest tile index whose border texels include src_position.
int FirstBorderTileXIndexFromSrcCoord(int src_position) const;
int FirstBorderTileYIndexFromSrcCoord(int src_position) const;
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