libwebp: update to 0.5.0

third_party/libwebp/dsp/yuv_mips32.c

 // Copyright 2014 Google Inc. All Rights Reserved.
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the COPYING file in the root of the source
 // tree. An additional intellectual property rights grant can be found
 // in the file PATENTS. All contributing project authors may
 // be found in the AUTHORS file in the root of the source tree.
 // -----------------------------------------------------------------------------
 //
 // MIPS version of YUV to RGB upsampling functions.
 //
 // Author(s):  Djordje Pesut    (djordje.pesut@imgtec.com)
 //             Jovan Zelincevic (jovan.zelincevic@imgtec.com)
 
 #include "./dsp.h"
 
-#if defined(WEBP_USE_MIPS32)
+// Code is disabled for now, in favor of the plain-C version
+#if 0  // defined(WEBP_USE_MIPS32)
 
 #include "./yuv.h"
 
 //------------------------------------------------------------------------------
 // simple point-sampling
 
 #define ROW_FUNC(FUNC_NAME, XSTEP, R, G, B, A)                                 \
 static void FUNC_NAME(const uint8_t* y,                                        \
                       const uint8_t* u, const uint8_t* v,                      \
                       uint8_t* dst, int len) {                                 \
@@ skipping 49 matching lines @@
   }                                                                            \
 }
 
 ROW_FUNC(YuvToRgbRow,      3, 0, 1, 2, 0)
 ROW_FUNC(YuvToRgbaRow,     4, 0, 1, 2, 3)
 ROW_FUNC(YuvToBgrRow,      3, 2, 1, 0, 0)
 ROW_FUNC(YuvToBgraRow,     4, 2, 1, 0, 3)
 
 #undef ROW_FUNC
 
-#endif   // WEBP_USE_MIPS32
-
 //------------------------------------------------------------------------------
+// Entry point
 
 extern void WebPInitSamplersMIPS32(void);
 
-void WebPInitSamplersMIPS32(void) {
-#if defined(WEBP_USE_MIPS32)
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersMIPS32(void) {
   WebPSamplers[MODE_RGB]  = YuvToRgbRow;
   WebPSamplers[MODE_RGBA] = YuvToRgbaRow;
   WebPSamplers[MODE_BGR]  = YuvToBgrRow;
   WebPSamplers[MODE_BGRA] = YuvToBgraRow;
+}
+
+#else  // !WEBP_USE_MIPS32
+
+WEBP_DSP_INIT_STUB(WebPInitSamplersMIPS32)
+
 #endif  // WEBP_USE_MIPS32
-}