Remove dead gradient perspective code

The cool bit here is that Sk4fLinearGradient is now always fast, and never calls the slow
base-class impl.  This means we can rip out Sk4fGradientBase::{mapTs, shadeSpan4f, etc}.

Change-Id: Id3788bc810873b2a209f66efa4187c84b3397e2f
Reviewed-on: https://skia-review.googlesource.com/22366
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>

1 files changed, 0 insertions, 10 deletions

diff --git a/src/shaders/SkShaderBase.h b/src/shaders/SkShaderBase.h
index d469442215..f43790a9ce 100644
--- a/src/shaders/SkShaderBase.h
+++ b/src/shaders/SkShaderBase.h
@@ -119,24 +119,14 @@ public:
         // Reference to shader, so we don't have to dupe information.
         const SkShaderBase& fShader;
 
-        enum MatrixClass {
-            kLinear_MatrixClass,            // no perspective
-            kFixedStepInX_MatrixClass,      // fast perspective, need to call fixedStepInX() each
-                                            // scanline
-            kPerspective_MatrixClass        // slow perspective, need to mappoints each pixel
-        };
-        static MatrixClass ComputeMatrixClass(const SkMatrix&);
-
         uint8_t         getPaintAlpha() const { return fPaintAlpha; }
         const SkMatrix& getTotalInverse() const { return fTotalInverse; }
-        MatrixClass     getInverseClass() const { return (MatrixClass)fTotalInverseClass; }
         const SkMatrix& getCTM() const { return fCTM; }
 
     private:
         SkMatrix    fCTM;
         SkMatrix    fTotalInverse;
         uint8_t     fPaintAlpha;
-        uint8_t     fTotalInverseClass;
 
         typedef SkNoncopyable INHERITED;
     };