From 44801cac9a7a83711e1b04b14e90364e02a6de49 Mon Sep 17 00:00:00 2001
From: Hal Canary <halcanary@google.com>
Date: Wed, 15 Mar 2017 11:39:06 -0400
Subject: [PATCH] FuzzCanvas: NativeGLCanvas

Change-Id: I7e032d19a5d464e0c46e76acac399786dd79b735
Reviewed-on: https://skia-review.googlesource.com/9721
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
---
 BUILD.gn            |  1 +
 fuzz/FuzzCanvas.cpp | 28 ++++++++++++++++++++++++----
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/BUILD.gn b/BUILD.gn
index a4e4a2e..4d1e4ef 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1313,6 +1313,7 @@ if (skia_enable_tools) {
     ]
     deps = [
       ":flags",
+      ":gpu_tool_utils",
       ":skia",
       ":tool_utils",
     ]
diff --git a/fuzz/FuzzCanvas.cpp b/fuzz/FuzzCanvas.cpp
index bfc90f5..64a818b 100644
--- a/fuzz/FuzzCanvas.cpp
+++ b/fuzz/FuzzCanvas.cpp
@@ -60,12 +60,17 @@
 // SRC
 #include "SkUtils.h"
 
+#if SK_SUPPORT_GPU
+#include "GrContextFactory.h"
+#endif
+
 // MISC
 
 #include <iostream>
 
 // TODO:
 //   SkTextBlob with Unicode
+//   SkImage: more types
 
 template <typename T, typename Min, typename Max>
 inline void fuzz_enum_range(Fuzz* fuzz, T* value, Min rmin, Max rmax) {
@@ -1755,12 +1760,26 @@ DEF_FUZZ(NullCanvas, fuzz) {
     fuzz_canvas(fuzz, SkMakeNullCanvas().get());
 }
 
+// 8.5x11 letter paper at 72ppi.
+constexpr SkISize kCanvasSize = {612, 792};
+
 DEF_FUZZ(RasterN32Canvas, fuzz) {
-    fuzz_canvas(fuzz, SkMakeNullCanvas().get());
-    auto surface = SkSurface::MakeRasterN32Premul(612, 792);
+    auto surface = SkSurface::MakeRasterN32Premul(kCanvasSize.width(), kCanvasSize.height());
+    SkASSERT(surface && surface->getCanvas());
+    fuzz_canvas(fuzz, surface->getCanvas());
+}
+
+#if SK_SUPPORT_GPU
+DEF_FUZZ(NativeGLCanvas, fuzz) {
+    auto surface = SkSurface::MakeRenderTarget(
+            sk_gpu_test::GrContextFactory().get(
+                    sk_gpu_test::GrContextFactory::kNativeGL_ContextType),
+            SkBudgeted::kNo,
+            SkImageInfo::Make(kCanvasSize.width(), kCanvasSize.height(), kRGBA_8888_SkColorType, kPremul_SkAlphaType));
     SkASSERT(surface && surface->getCanvas());
     fuzz_canvas(fuzz, surface->getCanvas());
 }
+#endif
 
 DEF_FUZZ(PDFCanvas, fuzz) {
     struct final : public SkWStream {
@@ -1769,12 +1788,13 @@ DEF_FUZZ(PDFCanvas, fuzz) {
         size_t fN = 0;
     } stream;
     auto doc = SkDocument::MakePDF(&stream);
-    fuzz_canvas(fuzz, doc->beginPage(612.0f, 792.0f));
+    fuzz_canvas(fuzz, doc->beginPage(SkIntToScalar(kCanvasSize.width()),
+                                     SkIntToScalar(kCanvasSize.height())));
 }
 
 // not a "real" thing to fuzz, used to debug errors found while fuzzing.
 DEF_FUZZ(_DumpCanvas, fuzz) {
-    SkDebugCanvas debugCanvas(612, 792);
+    SkDebugCanvas debugCanvas(kCanvasSize.width(), kCanvasSize.height());
     fuzz_canvas(fuzz, &debugCanvas);
     std::unique_ptr<SkCanvas> nullCanvas = SkMakeNullCanvas();
     UrlDataManager dataManager(SkString("data"));
-- 
2.7.4