SkTextBlob GPipe serialization.

src/pipe/SkGPipeRead.cpp

Index: src/pipe/SkGPipeRead.cpp
diff --git a/src/pipe/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index e48baf38122e92b0224720a108cd5486a0fd4781..7c85429a9bae9060eed3d8a09d2d93c2f51b2ae1 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -26,6 +26,7 @@
 #include "SkRasterizer.h"
 #include "SkRRect.h"
 #include "SkShader.h"
+#include "SkTextBlob.h"
 #include "SkTypeface.h"
 #include "SkXfermode.h"
 
@@ -672,7 +673,18 @@ static void drawPicture_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
 
 static void drawTextBlob_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
                             SkGPipeState* state) {
-    UNIMPLEMENTED
+    SkScalar x = reader->readScalar();
+    SkScalar y = reader->readScalar();
+
+    size_t blobSize = reader->readU32();
+    const void* data = reader->skip(SkAlign4(blobSize));
+
+    SkReadBuffer blobBuffer(data, blobSize);

[mtklein, 2014/08/28 18:53:27]

This seems like a small thing, but I bet we could condition the creation of the
SkReadBuffer and call to CreateFromBuffer() on state->shouldDraw().

[f(malita), 2014/08/28 19:02:45]

Done.

+    SkAutoTUnref<const SkTextBlob> blob(SkTextBlob::CreateFromBuffer(blobBuffer));
+

[mtklein, 2014/08/28 18:53:27]

Consider SkASSERT(blob.get()) ?

[f(malita), 2014/08/28 19:02:45]

Done.

+    if (state->shouldDraw()) {
+        canvas->drawTextBlob(blob, x, y, state->paint());
+    }
 }
 ///////////////////////////////////////////////////////////////////////////////