From 2944fbb5329fc3026c541fa818489954d910625d Mon Sep 17 00:00:00 2001
From: "aleksandar.stojiljkovic" <aleksandar.stojiljkovic@intel.com>
Date: Thu, 5 Nov 2015 07:48:12 -0800
Subject: Assert when running SampleApp with msaa 16 on Windows 10

Trivial: skip calling SkWGLExtensions::selectFormat with 0 elements,
 and handle if called.

BUG=4529

Review URL: https://codereview.chromium.org/1427583007
---
 src/utils/win/SkWGL_win.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/utils/win/SkWGL_win.cpp b/src/utils/win/SkWGL_win.cpp
index bc22795e2f..5afcae94ce 100644
--- a/src/utils/win/SkWGL_win.cpp
+++ b/src/utils/win/SkWGL_win.cpp
@@ -126,6 +126,9 @@ int SkWGLExtensions::selectFormat(const int formats[],
                                   int formatCount,
                                   HDC dc,
                                   int desiredSampleCount) const {
+    if (formatCount <= 0) {
+        return -1;
+    }
     PixelFormat desiredFormat = {
         0,
         desiredSampleCount,
-- 
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