Add MSA (MIPS SIMD Arch) optimized color conversion functions

third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/gpu/WebGLImageConversion.h"
 
 #include "platform/graphics/ImageObserver.h"
 #include "platform/graphics/cpu/arm/WebGLImageConversionNEON.h"
 #include "platform/graphics/cpu/mips/WebGLImageConversionMSA.h"
 #include "platform/graphics/cpu/x86/WebGLImageConversionSSE.h"
@@ skipping 692 matching lines @@
 template <>
 void pack<WebGLImageConversion::DataFormatR8,
           WebGLImageConversion::AlphaDoUnmultiply,
           uint8_t,
           uint8_t>(const uint8_t* source,
                    uint8_t* destination,
                    unsigned pixelsPerRow) {
 #if CPU(X86) || CPU(X86_64)
   SIMD::packOneRowOfRGBA8LittleToR8(source, destination, pixelsPerRow);
 #endif
+#if HAVE(MIPS_MSA_INTRINSICS)
+  SIMD::packOneRowOfRGBA8LittleToR8MSA(source, destination, pixelsPerRow);
+#endif
   for (unsigned i = 0; i < pixelsPerRow; ++i) {
     float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
     uint8_t sourceR =
         static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
     destination[0] = sourceR;
     source += 4;
     destination += 1;
   }
 }
 
@@ skipping 34 matching lines @@
 template <>
 void pack<WebGLImageConversion::DataFormatRA8,
           WebGLImageConversion::AlphaDoUnmultiply,
           uint8_t,
           uint8_t>(const uint8_t* source,
                    uint8_t* destination,
                    unsigned pixelsPerRow) {
 #if CPU(X86) || CPU(X86_64)
   SIMD::packOneRowOfRGBA8LittleToRA8(source, destination, pixelsPerRow);
 #endif
+#if HAVE(MIPS_MSA_INTRINSICS)
+  SIMD::packOneRowOfRGBA8LittleToRA8MSA(source, destination, pixelsPerRow);
+#endif
   for (unsigned i = 0; i < pixelsPerRow; ++i) {
     float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
     uint8_t sourceR =
         static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
     destination[0] = sourceR;
     destination[1] = source[3];
     source += 4;
     destination += 2;
   }
 }
@@ skipping 119 matching lines @@
 template <>
 void pack<WebGLImageConversion::DataFormatRGBA4444,
           WebGLImageConversion::AlphaDoNothing,
           uint8_t,
           uint16_t>(const uint8_t* source,
                     uint16_t* destination,
                     unsigned pixelsPerRow) {
 #if HAVE(ARM_NEON_INTRINSICS)
   SIMD::packOneRowOfRGBA8ToUnsignedShort4444(source, destination, pixelsPerRow);
 #endif
+#if HAVE(MIPS_MSA_INTRINSICS)
+  SIMD::packOneRowOfRGBA8ToUnsignedShort4444MSA(source, destination,
+                                                pixelsPerRow);
+#endif
   for (unsigned i = 0; i < pixelsPerRow; ++i) {
     *destination = (((source[0] & 0xF0) << 8) | ((source[1] & 0xF0) << 4) |
                     (source[2] & 0xF0) | (source[3] >> 4));
     source += 4;
     destination += 1;
   }
 }
 
 template <>
 void pack<WebGLImageConversion::DataFormatRGBA4444,
@@ skipping 2156 matching lines @@
       pack<WebGLImageConversion::DataFormatRGB565,
            WebGLImageConversion::AlphaDoNothing>(srcRowStart, dstRowStart,
                                                  pixelsPerRow);
     } break;
     default:
       break;
   }
 }
 
 }  // namespace blink