Fix UB function problems for shaders and mask.

src/core/SkBitmapProcState.h

 /*
  * Copyright 2007 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkBitmapProcState_DEFINED
 #define SkBitmapProcState_DEFINED
 
@@ skipping 14 matching lines @@
 #define SkFixedToFractionalInt(x)   SkFixedToFixed3232(x)
 #define SkFractionalIntToInt(x)     SkFixed3232ToInt(x)
 
 class SkPaint;
 
 struct SkBitmapProcState {
     SkBitmapProcState(const SkBitmapProvider&, SkShader::TileMode tmx, SkShader::TileMode tmy);
     SkBitmapProcState(const SkBitmap&, SkShader::TileMode tmx, SkShader::TileMode tmy);
     ~SkBitmapProcState();
 
-    typedef void (*ShaderProc32)(const SkBitmapProcState&, int x, int y,
-                                 SkPMColor[], int count);
+    typedef void (*ShaderProc32)(const void* ctx, int x, int y, SkPMColor[], int count);
 
-    typedef void (*ShaderProc16)(const SkBitmapProcState&, int x, int y,
-                                 uint16_t[], int count);
+    typedef void (*ShaderProc16)(const void* ctx, int x, int y, uint16_t[], int count);
 
     typedef void (*MatrixProc)(const SkBitmapProcState&,
                                uint32_t bitmapXY[],
                                int count,
                                int x, int y);
 
     typedef void (*SampleProc32)(const SkBitmapProcState&,
                                  const uint32_t[],
                                  int count,
                                  SkPMColor colors[]);
@@ skipping 173 matching lines @@
     }
 
     SkFixed x() const { return fX; }
     SkFixed y() const { return fY; }
 
 private:
     SkFixed fX, fY;
 };
 
 #endif