diff options
Diffstat (limited to 'src/gpu/ccpr/GrCCAtlas.h')
| -rw-r--r-- | src/gpu/ccpr/GrCCAtlas.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/gpu/ccpr/GrCCAtlas.h b/src/gpu/ccpr/GrCCAtlas.h index 184022ee96..b30bdbec6f 100644 --- a/src/gpu/ccpr/GrCCAtlas.h +++ b/src/gpu/ccpr/GrCCAtlas.h @@ -27,8 +27,22 @@ struct SkIPoint16; class GrCCAtlas { public: using CoverageCountBatchID = int; + static constexpr int kPadding = 1; // Amount of padding below and to the right of each path. - GrCCAtlas(const GrCaps&, int minSize); + // This struct encapsulates the minimum and desired requirements for an atlas, as well as an + // approximate number of pixels to help select a good initial size. + struct Specs { + int fMaxPreferredTextureSize = 0; + int fMinTextureSize = 0; + int fMinWidth = 0; // If there are 100 20x10 paths, this should be 20. + int fMinHeight = 0; // If there are 100 20x10 paths, this should be 10. + int fApproxNumPixels = 0; + + // Add space for a rect in the desired atlas specs. + void accountForSpace(int width, int height); + }; + + GrCCAtlas(const Specs&); ~GrCCAtlas(); bool addRect(int devWidth, int devHeight, SkIPoint16* loc); @@ -51,8 +65,7 @@ private: bool internalPlaceRect(int w, int h, SkIPoint16* loc); - const int fMaxAtlasSize; - + const int fMaxTextureSize; int fWidth, fHeight; std::unique_ptr<Node> fTopNode; SkISize fDrawBounds = {0, 0}; @@ -61,4 +74,10 @@ private: sk_sp<GrTextureProxy> fTextureProxy; }; +inline void GrCCAtlas::Specs::accountForSpace(int width, int height) { + fMinWidth = SkTMax(width, fMinWidth); + fMinHeight = SkTMax(height, fMinHeight); + fApproxNumPixels += (width + kPadding) * (height + kPadding); +} + #endif |