commit 010635190dfc1890c27c08da2a513c415d98fc88
author Ethan Nicholas <ethannicholas@google.com> Mon Oct 08 16:58:25 2018 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Tue Oct 09 13:13:19 2018 +0000
tree 828af5c85482fa33aac4879cf05213938c2bf970
parent a41a74ac79940e3f9aea3814031e4925a981ac89

Metal stencil support

Bug: skia:
Change-Id: I697a39bc756bb8f18ea2c6a1f8151dbc103bf9fe
Reviewed-on: https://skia-review.googlesource.com/c/157567
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

src/gpu/mtl/GrMtlCaps.h

diff --git a/src/gpu/mtl/GrMtlCaps.h b/src/gpu/mtl/GrMtlCaps.h
index 1d897b7..c10f656 100644
--- a/src/gpu/mtl/GrMtlCaps.h
+++ b/src/gpu/mtl/GrMtlCaps.h
@@ -9,7 +9,7 @@
 #define GrMtlCaps_DEFINED
 
 #include "GrCaps.h"
-
+#include "GrMtlStencilAttachment.h"
 #include "SkTDArray.h"
 
 #import <Metal/Metal.h>
@@ -21,6 +21,8 @@
  */
 class GrMtlCaps : public GrCaps {
 public:
+    typedef GrMtlStencilAttachment::Format StencilFormat;
+
     GrMtlCaps(const GrContextOptions& contextOptions, id<MTLDevice> device,
               MTLFeatureSet featureSet);
 
@@ -38,14 +40,13 @@
         return true;
     }
 
-#if 0
     /**
      * Returns both a supported and most prefered stencil format to use in draws.
      */
-    const StencilFormat& preferedStencilFormat() const {
-        return fPreferedStencilFormat;
+    const StencilFormat& preferredStencilFormat() const {
+        return fPreferredStencilFormat;
     }
-#endif
+
     bool canCopyAsBlit(GrPixelConfig dstConfig, int dstSampleCount, GrSurfaceOrigin dstOrigin,
                        GrPixelConfig srcConfig, int srcSampleCount, GrSurfaceOrigin srcOrigin,
                        const SkIRect& srcRect, const SkIPoint& dstPoint,
@@ -82,6 +83,8 @@
 private:
     void initFeatureSet(MTLFeatureSet featureSet);
 
+    void initStencilFormat(const id<MTLDevice> device);
+
     void initGrCaps(const id<MTLDevice> device);
     void initShaderCaps();
 
@@ -121,6 +124,8 @@
 
     SkTDArray<int> fSampleCounts;
 
+    StencilFormat fPreferredStencilFormat;
+
     typedef GrCaps INHERITED;
 };