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 25 matching lines @@
 #endif
 }
 
 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 145 matching lines @@
 void ClampX_ClampY_filter_affine(const SkBitmapProcState& s,
                                  uint32_t xy[], int count, int x, int y);
 void ClampX_ClampY_nofilter_affine(const SkBitmapProcState& s,
                                    uint32_t xy[], int count, int x, int y);
 void S32_D16_filter_DX(const SkBitmapProcState& s,
                        const uint32_t* xy, int count, uint16_t* colors);
 void S32_D16_filter_DXDY(const SkBitmapProcState& s,
                          const uint32_t* xy, int count, uint16_t* colors);
 
 #endif