Add Mips support to libpixelflinger

Change-Id: Ib81cb01b8d90ed1afa1fd54b3cc009d7fec0f814
diff --git a/libpixelflinger/scanline.cpp b/libpixelflinger/scanline.cpp
index 93440f5..d1f3d96 100644
--- a/libpixelflinger/scanline.cpp
+++ b/libpixelflinger/scanline.cpp
@@ -110,10 +110,14 @@
 static void rect_generic(context_t* c, size_t yc);
 static void rect_memcpy(context_t* c, size_t yc);
 
+#if defined( __arm__)
 extern "C" void scanline_t32cb16blend_arm(uint16_t*, uint32_t*, size_t);
 extern "C" void scanline_t32cb16_arm(uint16_t *dst, uint32_t *src, size_t ct);
 extern "C" void scanline_col32cb16blend_neon(uint16_t *dst, uint32_t *col, size_t ct);
 extern "C" void scanline_col32cb16blend_arm(uint16_t *dst, uint32_t col, size_t ct);
+#elif defined(__mips__)
+extern "C" void scanline_t32cb16blend_mips(uint16_t*, uint32_t*, size_t);
+#endif
 
 // ----------------------------------------------------------------------------
 
@@ -2136,7 +2140,7 @@
 
 void scanline_t32cb16blend(context_t* c)
 {
-#if ((ANDROID_CODEGEN >= ANDROID_CODEGEN_ASM) && defined(__arm__))
+#if ((ANDROID_CODEGEN >= ANDROID_CODEGEN_ASM) && (defined(__arm__) || defined(__mips)))
     int32_t x = c->iterators.xl;
     size_t ct = c->iterators.xr - x;
     int32_t y = c->iterators.y;
@@ -2148,8 +2152,12 @@
     const int32_t v = (c->state.texture[0].shade.it0>>16) + y;
     uint32_t *src = reinterpret_cast<uint32_t*>(tex->data)+(u+(tex->stride*v));
 
+#ifdef __arm__
     scanline_t32cb16blend_arm(dst, src, ct);
 #else
+    scanline_t32cb16blend_mips(dst, src, ct);
+#endif
+#else
     dst_iterator16  di(c);
     horz_iterator32  hi(c);
     blender_32to16  bl(c);