Simplify color space xform storage and usage (float[] vs. SkMatrix44)

src/gpu/effects/GrBicubicEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBicubicEffect.h"
 #include "GrInvariantOutput.h"
 #include "glsl/GrGLSLColorSpaceXformHelper.h"
@@ skipping 114 matching lines @@
                                   const GrProcessor& processor) {
     const GrBicubicEffect& bicubicEffect = processor.cast<GrBicubicEffect>();
     const GrTexture& texture = *processor.texture(0);
     float imageIncrement[2];
     imageIncrement[0] = 1.0f / texture.width();
     imageIncrement[1] = 1.0f / texture.height();
     pdman.set2fv(fImageIncrementUni, 1, imageIncrement);
     pdman.setMatrix4f(fCoefficientsUni, bicubicEffect.coefficients());
     fDomain.setData(pdman, bicubicEffect.domain(), texture.origin());
     if (SkToBool(bicubicEffect.colorSpaceXform())) {
-        float xformMatrix[16];
-        bicubicEffect.colorSpaceXform()->srcToDst().asColMajorf(xformMatrix);
-        pdman.setMatrix4f(fColorSpaceXformUni, xformMatrix);
+        pdman.setMatrix4f(fColorSpaceXformUni, bicubicEffect.colorSpaceXform()->srcToDst());
     }
 }
 
 static inline void convert_row_major_scalar_coeffs_to_column_major_floats(float dst[16],
                                                                           const SkScalar src[16]) {
     for (int y = 0; y < 4; y++) {
         for (int x = 0; x < 4; x++) {
             dst[x * 4 + y] = SkScalarToFloat(src[y * 4 + x]);
         }
     }
@@ skipping 85 matching lines @@
             // Use bilerp to handle rotation or fractional translation.
             *filterMode = GrTextureParams::kBilerp_FilterMode;
         }
         return false;
     }
     // When we use the bicubic filtering effect each sample is read from the texture using
     // nearest neighbor sampling.
     *filterMode = GrTextureParams::kNone_FilterMode;
     return true;
 }