From b23af90947e539e6c556ad558ba7c039f9310812 Mon Sep 17 00:00:00 2001
From: jdryg <makingartstudios@gmail.com>
Date: Fri, 24 Mar 2017 11:59:16 +0200
Subject: [PATCH] nvgRenderUpdateTexture() was reading past the end of the data
 buffer.

---
 examples/common/nanovg/nanovg_bgfx.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/examples/common/nanovg/nanovg_bgfx.cpp b/examples/common/nanovg/nanovg_bgfx.cpp
index 702f04ccd..ad6f800e7 100644
--- a/examples/common/nanovg/nanovg_bgfx.cpp
+++ b/examples/common/nanovg/nanovg_bgfx.cpp
@@ -363,6 +363,9 @@ namespace
 		uint32_t bytesPerPixel = NVG_TEXTURE_RGBA == tex->type ? 4 : 1;
 		uint32_t pitch = tex->width * bytesPerPixel;
 
+		const bgfx::Memory* mem = bgfx::alloc(w * h * bytesPerPixel);
+		bx::gather(mem->data, data + y * pitch + x * bytesPerPixel, w * bytesPerPixel, h, pitch);
+
 		bgfx::updateTexture2D(
 			  tex->id
 			, 0
@@ -371,8 +374,8 @@ namespace
 			, y
 			, w
 			, h
-			, bgfx::copy(data + y*pitch + x*bytesPerPixel, h*pitch)
-			, pitch
+			, mem
+			, UINT16_MAX
 			);
 
 		return 1;