From 0d825666f79f4d9baea489b21506da3163f73aa9 Mon Sep 17 00:00:00 2001
From: Kevin Lubick <kjlubick@google.com>
Date: Wed, 3 Jan 2018 14:38:48 -0500
Subject: Add SkPipe fuzzer

Bug: skia:
Change-Id: I6e87758f2e5bff18e885834baaaa4a5add564cb1
Reviewed-on: https://skia-review.googlesource.com/90543
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Mike Reed <reed@google.com>
---
 fuzz/fuzz.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'fuzz/fuzz.cpp')

diff --git a/fuzz/fuzz.cpp b/fuzz/fuzz.cpp
index 7852dd3546..75f87c14e3 100644
--- a/fuzz/fuzz.cpp
+++ b/fuzz/fuzz.cpp
@@ -20,6 +20,7 @@
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkPicture.h"
+#include "SkPipe.h"
 #include "SkReadBuffer.h"
 #include "SkRegion.h"
 #include "SkStream.h"
@@ -61,6 +62,7 @@ static void fuzz_img(sk_sp<SkData>, uint8_t, uint8_t);
 static void fuzz_path_deserialize(sk_sp<SkData>);
 static void fuzz_region_deserialize(sk_sp<SkData>);
 static void fuzz_skp(sk_sp<SkData>);
+static void fuzz_skpipe(sk_sp<SkData>);
 static void fuzz_textblob_deserialize(sk_sp<SkData>);
 
 #if SK_SUPPORT_GPU
@@ -126,6 +128,10 @@ static int fuzz_file(const char* path) {
             fuzz_region_deserialize(bytes);
             return 0;
         }
+        if (0 == strcmp("pipe", FLAGS_type[0])) {
+            fuzz_skpipe(bytes);
+            return 0;
+        }
         if (0 == strcmp("skp", FLAGS_type[0])) {
             fuzz_skp(bytes);
             return 0;
@@ -459,6 +465,21 @@ static void fuzz_skp(sk_sp<SkData> bytes) {
     dump_png(bitmap);
 }
 
+static void fuzz_skpipe(sk_sp<SkData> bytes) {
+    SkPipeDeserializer d;
+    SkDebugf("Decoding\n");
+    sk_sp<SkPicture> pic(d.readPicture(bytes.get()));
+    if (!pic) {
+        SkDebugf("[terminated] Couldn't decode picture via SkPipe.\n");
+        return;
+    }
+    SkDebugf("Rendering\n");
+    SkBitmap bitmap;
+    SkCanvas canvas(bitmap);
+    canvas.drawPicture(pic);
+    SkDebugf("[terminated] Success! Decoded and rendered an SkPicture from SkPipe!\n");
+}
+
 static void fuzz_icc(sk_sp<SkData> bytes) {
     sk_sp<SkColorSpace> space(SkColorSpace::MakeICC(bytes->data(), bytes->size()));
     if (!space) {
-- 
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