commit e35055f31c7f2a2c7f3c693b9231c44d181ec599
author Timothy Liang <timliang@google.com> Fri Jul 20 16:53:00 2018 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Mon Jul 23 17:23:24 2018 +0000
tree 5283d4e83d140bc7f360430b2b891c04a696b401
parent 206dbe8a21b614bbf09b9d2b488ff453e41fdfd9

implemented copy surface as blit for metal gpu backend

Bug: skia:
Change-Id: Ic59fe585c02168a361985f0864242b3c11e9d98e
Reviewed-on: https://skia-review.googlesource.com/142684
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Timothy Liang <timliang@google.com>

src/gpu/mtl/GrMtlCaps.h

diff --git a/src/gpu/mtl/GrMtlCaps.h b/src/gpu/mtl/GrMtlCaps.h
index 1ff16ad..5d6c82b 100644
--- a/src/gpu/mtl/GrMtlCaps.h
+++ b/src/gpu/mtl/GrMtlCaps.h
@@ -46,10 +46,13 @@
         return fPreferedStencilFormat;
     }
 #endif
+    bool canCopyAsBlit(GrPixelConfig dstConfig, int dstSampleCount, GrSurfaceOrigin dstOrigin,
+                       GrPixelConfig srcConfig, int srcSampleCount, GrSurfaceOrigin srcOrigin,
+                       const SkIRect& srcRect, const SkIPoint& dstPoint,
+                       bool areDstSrcSameObj) const;
+
     bool canCopySurface(const GrSurfaceProxy* dst, const GrSurfaceProxy* src,
-                        const SkIRect& srcRect, const SkIPoint& dstPoint) const override {
-        return false;
-    }
+                        const SkIRect& srcRect, const SkIPoint& dstPoint) const override;
 
     bool initDescForDstCopy(const GrRenderTargetProxy* src, GrSurfaceDesc* desc, GrSurfaceOrigin*,
                             bool* rectsMustMatch, bool* disallowSubrect) const override {