delete (unused) TransparentShader

src/core/SkBlitter.cpp

 /*
  * Copyright 2006 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.
  */
 
 #include "SkBlitter.h"
 #include "SkAntiRun.h"
 #include "SkColor.h"
@@ skipping 846 matching lines @@
         paint.writable()->setShader(shader)->unref();
         // blitters should ignore the presence/absence of a filter, since
         // if there is one, the shader will take care of it.
     }
 
     /*
      *  We create a SkShader::Context object, and store it on the blitter.
      */
     SkShader::Context* shaderContext = NULL;
     if (shader) {
-        SkShader::ContextRec rec(device, *paint, matrix);
+        SkShader::ContextRec rec(*paint, matrix, NULL);
         size_t contextSize = shader->contextSize();
         if (contextSize) {
             // Try to create the ShaderContext
             void* storage = allocator->reserveT<SkShader::Context>(contextSize);
             shaderContext = shader->createContext(rec, storage);
             if (!shaderContext) {
                 allocator->freeLast();
                 return allocator->createT<SkNullBlitter>();
             }
             SkASSERT(shaderContext);
@@ skipping 45 matching lines @@
         // innerBlitter was allocated by allocator, which will delete it.
         // We know shaderContext or its proxies is of type Sk3DShaderContext, so we need to
         // wrapper the blitter to notify it when we see an emboss mask.
         blitter = allocator->createT<Sk3DBlitter>(innerBlitter, shaderContext);
     }
     return blitter;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-class SkTransparentShaderContext : public SkShader::Context {
+class SkZeroShaderContext : public SkShader::Context {
 public:
-    SkTransparentShaderContext(const SkShader& shader, const SkShader::ContextRec& rec)
+    SkZeroShaderContext(const SkShader& shader, const SkShader::ContextRec& rec)
         // Override rec with the identity matrix, so it is guaranteed to be invertible.
-        : INHERITED(shader, SkShader::ContextRec(*rec.fDevice, *rec.fPaint, SkMatrix::I())) {}
+        : INHERITED(shader, SkShader::ContextRec(*rec.fPaint, SkMatrix::I(), NULL)) {}
 
     void shadeSpan(int x, int y, SkPMColor colors[], int count) override {
         sk_bzero(colors, count * sizeof(SkPMColor));
     }
 
 private:
     typedef SkShader::Context INHERITED;
 };
 
 SkShaderBlitter::SkShaderBlitter(const SkBitmap& device, const SkPaint& paint,
@@ skipping 16 matching lines @@
     // Only destroy the old context if we have a new one. We need to ensure to have a
     // live context in fShaderContext because the storage is owned by an SkSmallAllocator
     // outside of this class.
     // The new context will be of the same size as the old one because we use the same
     // shader to create it. It is therefore safe to re-use the storage.
     fShaderContext->~Context();
     SkShader::Context* ctx = fShader->createContext(rec, (void*)fShaderContext);
     if (NULL == ctx) {
         // Need a valid context in fShaderContext's storage, so we can later (or our caller) call
         // the in-place destructor.
-        SkNEW_PLACEMENT_ARGS(fShaderContext, SkTransparentShaderContext, (*fShader, rec));
+        SkNEW_PLACEMENT_ARGS(fShaderContext, SkZeroShaderContext, (*fShader, rec));
         return false;
     }
     return true;
 }