Add support for creating a GrContext backed by Metal.

Also adds the support code to allow our TestContext to create a Metal
backend.

Bug: skia:
Change-Id: Ia850687019d79b897bb16e2c151f4f8526721ad9
Reviewed-on: https://skia-review.googlesource.com/22644
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/tools/gpu/TestContext.h b/tools/gpu/TestContext.h
index ecb61e3b2a..84794f3c34 100644
--- a/tools/gpu/TestContext.h
+++ b/tools/gpu/TestContext.h
@@ -11,8 +11,12 @@
 
 #include "FenceSync.h"
 #include "GrTypes.h"
+#include "SkRefCnt.h"
 #include "../private/SkTemplates.h"
 
+class GrContext;
+struct GrContextOptions;
+
 namespace sk_gpu_test {
 
 class GpuTimer;
@@ -25,8 +29,6 @@ class TestContext : public SkNoncopyable {
 public:
     virtual ~TestContext();
 
-    virtual bool isValid() const = 0;
-
     bool fenceSyncSupport() const { return fFenceSync != nullptr; }
     FenceSync* fenceSync() { SkASSERT(fFenceSync); return fFenceSync.get(); }
 
@@ -46,6 +48,8 @@ public:
     virtual GrBackend backend() = 0;
     virtual GrBackendContext backendContext() = 0;
 
+    virtual sk_sp<GrContext> makeGrContext(const GrContextOptions&);
+
     /** Swaps front and back buffer (if the context has such buffers) */
     void swapBuffers();