libwebp: update to 0.5.0

This commit imports libwebp 0.5.0, including AUTHORS, COPYING, ChangeLog,
NEWS, PATENTS, README and src directories. In src, only includes header
and source files.

The patches required to build it in Qt will follow in separate
commit(s).

Change-Id: I96b4961ba63c75cc7fbab158c36a0f403f254c14
Reviewed-by: aavit <eirik.aavitsland@theqtcompany.com>

1 files changed, 55 insertions, 23 deletions

diff --git a/src/3rdparty/libwebp/src/dsp/upsampling.c b/src/3rdparty/libwebp/src/dsp/upsampling.c
index 53c68d5..651274f 100644
--- a/src/3rdparty/libwebp/src/dsp/upsampling.c
+++ b/src/3rdparty/libwebp/src/dsp/upsampling.c
@@ -153,46 +153,73 @@ WebPUpsampleLinePairFunc WebPGetLinePairConverter(int alpha_is_last) {
 // YUV444 converter
 
 #define YUV444_FUNC(FUNC_NAME, FUNC, XSTEP)                                    \
-static void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v,    \
-                      uint8_t* dst, int len) {                                 \
+extern void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v,    \
+                      uint8_t* dst, int len);                                  \
+void FUNC_NAME(const uint8_t* y, const uint8_t* u, const uint8_t* v,           \
+               uint8_t* dst, int len) {                                        \
   int i;                                                                       \
   for (i = 0; i < len; ++i) FUNC(y[i], u[i], v[i], &dst[i * XSTEP]);           \
 }
 
-YUV444_FUNC(Yuv444ToRgb,      VP8YuvToRgb,  3)
-YUV444_FUNC(Yuv444ToBgr,      VP8YuvToBgr,  3)
-YUV444_FUNC(Yuv444ToRgba,     VP8YuvToRgba, 4)
-YUV444_FUNC(Yuv444ToBgra,     VP8YuvToBgra, 4)
-YUV444_FUNC(Yuv444ToArgb,     VP8YuvToArgb, 4)
-YUV444_FUNC(Yuv444ToRgba4444, VP8YuvToRgba4444, 2)
-YUV444_FUNC(Yuv444ToRgb565,   VP8YuvToRgb565, 2)
+YUV444_FUNC(WebPYuv444ToRgbC,      VP8YuvToRgb,  3)
+YUV444_FUNC(WebPYuv444ToBgrC,      VP8YuvToBgr,  3)
+YUV444_FUNC(WebPYuv444ToRgbaC,     VP8YuvToRgba, 4)
+YUV444_FUNC(WebPYuv444ToBgraC,     VP8YuvToBgra, 4)
+YUV444_FUNC(WebPYuv444ToArgbC,     VP8YuvToArgb, 4)
+YUV444_FUNC(WebPYuv444ToRgba4444C, VP8YuvToRgba4444, 2)
+YUV444_FUNC(WebPYuv444ToRgb565C,   VP8YuvToRgb565, 2)
 
 #undef YUV444_FUNC
 
-const WebPYUV444Converter WebPYUV444Converters[MODE_LAST] = {
-  Yuv444ToRgb,       // MODE_RGB
-  Yuv444ToRgba,      // MODE_RGBA
-  Yuv444ToBgr,       // MODE_BGR
-  Yuv444ToBgra,      // MODE_BGRA
-  Yuv444ToArgb,      // MODE_ARGB
-  Yuv444ToRgba4444,  // MODE_RGBA_4444
-  Yuv444ToRgb565,    // MODE_RGB_565
-  Yuv444ToRgba,      // MODE_rgbA
-  Yuv444ToBgra,      // MODE_bgrA
-  Yuv444ToArgb,      // MODE_Argb
-  Yuv444ToRgba4444   // MODE_rgbA_4444
-};
+WebPYUV444Converter WebPYUV444Converters[MODE_LAST];
+
+extern void WebPInitYUV444ConvertersMIPSdspR2(void);
+extern void WebPInitYUV444ConvertersSSE2(void);
+
+static volatile VP8CPUInfo upsampling_last_cpuinfo_used1 =
+    (VP8CPUInfo)&upsampling_last_cpuinfo_used1;
+
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitYUV444Converters(void) {
+  if (upsampling_last_cpuinfo_used1 == VP8GetCPUInfo) return;
+
+  WebPYUV444Converters[MODE_RGB]       = WebPYuv444ToRgbC;
+  WebPYUV444Converters[MODE_RGBA]      = WebPYuv444ToRgbaC;
+  WebPYUV444Converters[MODE_BGR]       = WebPYuv444ToBgrC;
+  WebPYUV444Converters[MODE_BGRA]      = WebPYuv444ToBgraC;
+  WebPYUV444Converters[MODE_ARGB]      = WebPYuv444ToArgbC;
+  WebPYUV444Converters[MODE_RGBA_4444] = WebPYuv444ToRgba4444C;
+  WebPYUV444Converters[MODE_RGB_565]   = WebPYuv444ToRgb565C;
+  WebPYUV444Converters[MODE_rgbA]      = WebPYuv444ToRgbaC;
+  WebPYUV444Converters[MODE_bgrA]      = WebPYuv444ToBgraC;
+  WebPYUV444Converters[MODE_Argb]      = WebPYuv444ToArgbC;
+  WebPYUV444Converters[MODE_rgbA_4444] = WebPYuv444ToRgba4444C;
+
+  if (VP8GetCPUInfo != NULL) {
+#if defined(WEBP_USE_SSE2)
+    if (VP8GetCPUInfo(kSSE2)) {
+      WebPInitYUV444ConvertersSSE2();
+    }
+#endif
+#if defined(WEBP_USE_MIPS_DSP_R2)
+    if (VP8GetCPUInfo(kMIPSdspR2)) {
+      WebPInitYUV444ConvertersMIPSdspR2();
+    }
+#endif
+  }
+  upsampling_last_cpuinfo_used1 = VP8GetCPUInfo;
+}
 
 //------------------------------------------------------------------------------
 // Main calls
 
 extern void WebPInitUpsamplersSSE2(void);
 extern void WebPInitUpsamplersNEON(void);
+extern void WebPInitUpsamplersMIPSdspR2(void);
 
 static volatile VP8CPUInfo upsampling_last_cpuinfo_used2 =
     (VP8CPUInfo)&upsampling_last_cpuinfo_used2;
 
-void WebPInitUpsamplers(void) {
+WEBP_TSAN_IGNORE_FUNCTION void WebPInitUpsamplers(void) {
   if (upsampling_last_cpuinfo_used2 == VP8GetCPUInfo) return;
 
 #ifdef FANCY_UPSAMPLING
@@ -220,6 +247,11 @@ void WebPInitUpsamplers(void) {
       WebPInitUpsamplersNEON();
     }
 #endif
+#if defined(WEBP_USE_MIPS_DSP_R2)
+    if (VP8GetCPUInfo(kMIPSdspR2)) {
+      WebPInitUpsamplersMIPSdspR2();
+    }
+#endif
   }
 #endif  // FANCY_UPSAMPLING
   upsampling_last_cpuinfo_used2 = VP8GetCPUInfo;