Clean up most clang warnings outside animator/

http://codereview.appspot.com/6464058/



git-svn-id: http://skia.googlecode.com/svn/trunk@5079 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkBitmapProcState_procs.h b/src/core/SkBitmapProcState_procs.h
index 7b05884..6d17193 100644
--- a/src/core/SkBitmapProcState_procs.h
+++ b/src/core/SkBitmapProcState_procs.h
@@ -341,3 +341,4 @@
 #include "SkBitmapProcState_shaderproc.h"
 
 #undef NAME_WRAP
+
diff --git a/src/gpu/GrClipMaskManager.cpp b/src/gpu/GrClipMaskManager.cpp
index a424b02..a1cd75b 100644
--- a/src/gpu/GrClipMaskManager.cpp
+++ b/src/gpu/GrClipMaskManager.cpp
@@ -795,7 +795,7 @@
         // with the existing clip.
         for ( ; NULL != clip; clip = iter.next()) {
             GrPathFill fill;
-            bool fillInverted;
+            bool fillInverted = false;
             // enabled at bottom of loop
             drawState->disableState(GrGpu::kModifyStencilClip_StateBit);
             // if the target is MSAA then we want MSAA enabled when the clip is soft
@@ -807,11 +807,10 @@
                 }
             }
 
-            bool canRenderDirectToStencil; // can the clip element be drawn
-                                           // directly to the stencil buffer
-                                           // with a non-inverted fill rule
-                                           // without extra passes to
-                                           // resolve in/out status.
+            // Can the clip element be drawn directly to the stencil buffer
+            // with a non-inverted fill rule without extra passes to
+            // resolve in/out status?
+            bool canRenderDirectToStencil = false;
 
             SkRegion::Op op = clip->fOp;
             if (first) {
@@ -831,16 +830,15 @@
                     contains(*clip->fRect, devRTRect, oldClipData->fOrigin)) {
                     continue;
                 }
-            } else if (NULL != clip->fPath) {
+            } else {
+                GrAssert(NULL != clip->fPath);
                 fill = get_path_fill(*clip->fPath);
                 fillInverted = GrIsFillInverted(fill);
                 fill = GrNonInvertedFill(fill);
                 clipPath = clip->fPath;
-                pr = this->getContext()->getPathRenderer(*clipPath,
-                                                         fill, fGpu, false,
-                                                         true);
+                pr = this->getContext()->getPathRenderer(*clipPath, fill, fGpu, false, true);
                 if (NULL == pr) {
-                    fGpu->setClip(oldClipData);     // restore to the original
+                    fGpu->setClip(oldClipData);
                     return false;
                 }
                 canRenderDirectToStencil =
@@ -856,10 +854,11 @@
                                         // stencil bit used for clipping.
             canDrawDirectToClip =
                 GrStencilSettings::GetClipPasses(op,
-                                                    canRenderDirectToStencil,
-                                                    clipBit,
-                                                    fillInverted,
-                                                    &passes, stencilSettings);
+                                                 canRenderDirectToStencil,
+                                                 clipBit,
+                                                 fillInverted,
+                                                 &passes,
+                                                 stencilSettings);
 
             // draw the element to the client stencil bits if necessary
             if (!canDrawDirectToClip) {
diff --git a/src/opts/SkBitmapProcState_opts_SSSE3.cpp b/src/opts/SkBitmapProcState_opts_SSSE3.cpp
index 3027688..e9dcc7f 100644
--- a/src/opts/SkBitmapProcState_opts_SSSE3.cpp
+++ b/src/opts/SkBitmapProcState_opts_SSSE3.cpp
@@ -415,7 +415,7 @@
     // (0, 0, 0, 0, 0, 0, 0, 0)
     const __m128i zero = _mm_setzero_si128();
 
-    __m128i alpha;
+    __m128i alpha = _mm_setzero_si128();
     if (has_alpha)
         // 8x(alpha)
         alpha = _mm_set1_epi16(s.fAlphaScale);
diff --git a/src/pipe/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index e6013db..e485d50 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -645,7 +645,12 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SkGPipeState::SkGPipeState(): fReader(0), fFlags(0), fSharedHeap(NULL) {}
+SkGPipeState::SkGPipeState()
+    : fReader(0)
+    , fSharedHeap(NULL)
+    , fFlags(0) {
+
+}
 
 SkGPipeState::~SkGPipeState() {
     fTypefaces.safeUnrefAll();
diff --git a/src/utils/SkDumpCanvas.cpp b/src/utils/SkDumpCanvas.cpp
index d1db4e2..8573f88 100644
--- a/src/utils/SkDumpCanvas.cpp
+++ b/src/utils/SkDumpCanvas.cpp
@@ -129,20 +129,21 @@
     }
 }
 
-static void toString(const void* text, size_t len, SkPaint::TextEncoding enc,
+static void toString(const void* text, size_t byteLen, SkPaint::TextEncoding enc,
                      SkString* str) {
+    // FIXME: this code appears to be untested - and probably unused - and probably wrong
     switch (enc) {
         case SkPaint::kUTF8_TextEncoding:
-            str->printf("\"%.*s\"%s", SkMax32(len, 32), (const char*) text,
-                        len > 32 ? "..." : "");
+            str->printf("\"%.*s\"%s", SkMax32(byteLen, 32), (const char*) text,
+                        byteLen > 32 ? "..." : "");
             break;
         case SkPaint::kUTF16_TextEncoding:
-            str->printf("\"%.*S\"%s", SkMax32(len, 32), (const wchar_t*) text,
-                        len > 64 ? "..." : "");
+            str->printf("\"%.*S\"%s", SkMax32(byteLen, 32), (const wchar_t*) text,
+                        byteLen > 64 ? "..." : "");
             break;
         case SkPaint::kUTF32_TextEncoding:
-            str->printf("\"%.*S\"%s", SkMax32(len, 32), (const wchar_t*) text,
-                        len > 128 ? "..." : "");
+            str->printf("\"%.*S\"%s", SkMax32(byteLen, 32), (const wchar_t*) text,
+                        byteLen > 128 ? "..." : "");
             break;
         case SkPaint::kGlyphID_TextEncoding:
             str->set("<glyphs>");