diff options
Diffstat (limited to 'src/gpu/GrSWMaskHelper.h')
| -rw-r--r-- | src/gpu/GrSWMaskHelper.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/gpu/GrSWMaskHelper.h b/src/gpu/GrSWMaskHelper.h index 4c06786280..ccd2df865e 100644 --- a/src/gpu/GrSWMaskHelper.h +++ b/src/gpu/GrSWMaskHelper.h @@ -42,7 +42,8 @@ class GrDrawTarget; class GrSWMaskHelper : SkNoncopyable { public: GrSWMaskHelper(GrContext* context) - : fContext(context), fCompressMask(false) { + : fContext(context) + , fCompressionMode(kNone_CompressionMode) { } // set up the internal state in preparation for draws. Since many masks @@ -94,7 +95,6 @@ public: GrDrawTarget* target, const SkIRect& rect); -protected: private: GrContext* fContext; SkMatrix fMatrix; @@ -102,12 +102,22 @@ private: SkDraw fDraw; SkRasterClip fRasterClip; - // This flag says whether or not we should compress the mask. If - // it is true, then fCompressedFormat is always valid. - bool fCompressMask; + // This enum says whether or not we should compress the mask: + // kNone_CompressionMode: compression is not supported on this device. + // kCompress_CompressionMode: compress the bitmap before it gets sent to the gpu + // kBlitter_CompressionMode: write to the bitmap using a special compressed blitter. + enum CompressionMode { + kNone_CompressionMode, + kCompress_CompressionMode, + kBlitter_CompressionMode, + } fCompressionMode; + + // This is the buffer into which we store our compressed data. This buffer is + // only allocated (non-null) if fCompressionMode is kBlitter_CompressionMode + SkAutoMalloc fCompressedBuffer; // This is the desired format within which to compress the - // texture. This value is only valid if fCompressMask is true. + // texture. This value is only valid if fCompressionMode is not kNone_CompressionMode. SkTextureCompressor::Format fCompressedFormat; // Actually sends the texture data to the GPU. This is called from |