commit 7e3370a9e5b04be33cb101b50cca508d64dec433
author Christopher Cameron <ccameron@chromium.org> Thu Apr 11 16:43:18 2019 -0700
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Fri Apr 12 12:29:14 2019 +0000
tree 51844f61707293467189c3520dd1aaa49a227095
parent 35f1c154c5e5a39d48ed94f068445d195513a920

Null-initialize pointer

This caused a warning (and therefore error) when building Metal into
Chromium.

Change-Id: I3a40247a438e85977f0afa2cf712151dba8d9290
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/207710
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

src/gpu/mtl/GrMtlGpuCommandBuffer.mm

diff --git a/src/gpu/mtl/GrMtlGpuCommandBuffer.mm b/src/gpu/mtl/GrMtlGpuCommandBuffer.mm
index 1849673..d16e675 100644
--- a/src/gpu/mtl/GrMtlGpuCommandBuffer.mm
+++ b/src/gpu/mtl/GrMtlGpuCommandBuffer.mm
@@ -378,7 +378,7 @@
     this->bindGeometry(vertexBuffer, instanceBuffer);
 
     SkASSERT(primitiveType != GrPrimitiveType::kLinesAdjacency); // Geometry shaders not supported.
-    id<MTLBuffer> mtlIndexBuffer;
+    id<MTLBuffer> mtlIndexBuffer = nil;
     if (indexBuffer) {
         SkASSERT(!indexBuffer->isCpuBuffer());
         SkASSERT(!static_cast<const GrGpuBuffer*>(indexBuffer)->isMapped());