Make SkTextureCompressor compile with Clang 3.5

src/utils/SkTextureCompressor.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 "SkTextureCompressor.h"
 
 #include "SkBitmap.h"
@@ skipping 294 matching lines @@
 // clamp[0, 2047](base_cw * 8 + 4 + mod_val*mul*8)
 //
 // mod_val is chosen from a palette of values based on the index of the
 // given pixel. The palette is chosen by the value stored in mod.
 // This formula returns a value between 0 and 2047, which is converted
 // to a float from 0 to 1 in OpenGL.
 //
 // If mul is zero, then we set mul = 1/8, so that the formula becomes
 // clamp[0, 2047](base_cw * 8 + 4 + mod_val)
 
+#if COMPRESS_R11_EAC_SLOW
+
 static const int kNumR11EACPalettes = 16;
 static const int kR11EACPaletteSize = 8;
 static const int kR11EACModifierPalettes[kNumR11EACPalettes][kR11EACPaletteSize] = {
     {-3, -6, -9, -15, 2, 5, 8, 14},
     {-3, -7, -10, -13, 2, 6, 9, 12},
     {-2, -5, -8, -13, 1, 4, 7, 12},
     {-2, -4, -6, -13, 1, 3, 5, 12},
     {-3, -6, -8, -12, 2, 5, 7, 11},
     {-3, -7, -9, -11, 2, 6, 8, 10},
     {-4, -7, -8, -11, 3, 6, 7, 10},
     {-3, -5, -8, -11, 2, 4, 7, 10},
     {-2, -6, -8, -10, 1, 5, 7, 9},
     {-2, -5, -8, -10, 1, 4, 7, 9},
     {-2, -4, -8, -10, 1, 3, 7, 9},
     {-2, -5, -7, -10, 1, 4, 6, 9},
     {-3, -4, -7, -10, 2, 3, 6, 9},
     {-1, -2, -3, -10, 0, 1, 2, 9},
     {-4, -6, -8, -9, 3, 5, 7, 8},
     {-3, -5, -7, -9, 2, 4, 6, 8}
 };
 
-#if COMPRESS_R11_EAC_SLOW
 // Pack the base codeword, palette, and multiplier into the 64 bits necessary
 // to decode it.
 static uint64_t pack_r11eac_block(uint16_t base_cw, uint16_t palette, uint16_t multiplier,
                                   uint64_t indices) {
     SkASSERT(palette < 16);
     SkASSERT(multiplier < 16);
     SkASSERT(indices < (static_cast<uint64_t>(1) << 48));
 
     const uint64_t b = static_cast<uint64_t>(base_cw) << 56;
     const uint64_t m = static_cast<uint64_t>(multiplier) << 52;
@@ skipping 466 matching lines @@
     if (CompressBufferToFormat(dst, src, bitmap.colorType(), bitmap.width(), bitmap.height(),
                                bitmap.rowBytes(), format)) {
         return SkData::NewFromMalloc(dst, compressedDataSize);
     }
 
     sk_free(dst);
     return NULL;
 }
 
 }  // namespace SkTextureCompressor