Add command buffer submits before copy calls in vulkan.

src/gpu/vk/GrVkCaps.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrVkCaps_DEFINED
 #define GrVkCaps_DEFINED
 
@@ skipping 56 matching lines @@
     }
 
     bool allowInitializationErrorOnTearDown() const {
         return fAllowInitializationErrorOnTearDown;
     }
 
     bool supportsCopiesAsDraws() const {
         return fSupportsCopiesAsDraws;
     }
 
+    bool mustSubmitCommandsBeforeCopyOp() const {
+        return fMustSubmitCommandsBeforeCopyOp;
+    }
+
     /**
      * Returns both a supported and most prefered stencil format to use in draws.
      */
     const StencilFormat& preferedStencilFormat() const {
         return fPreferedStencilFormat;
     }
 
     GrGLSLCaps* glslCaps() const { return reinterpret_cast<GrGLSLCaps*>(fShaderCaps.get()); }
 
 private:
     enum VkVendor {
         kQualcomm_VkVendor = 20803,
+        kNvidia_VkVendor = 4318,
     };
 
     void init(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface,
               VkPhysicalDevice device, uint32_t featureFlags, uint32_t extensionFlags);
     void initGrCaps(const VkPhysicalDeviceProperties&,
                     const VkPhysicalDeviceMemoryProperties&,
                     uint32_t featureFlags);
     void initGLSLCaps(const VkPhysicalDeviceProperties&, uint32_t featureFlags);
     void initSampleCount(const VkPhysicalDeviceProperties& properties);
 
@@ skipping 29 matching lines @@
     bool fMustDoCopiesFromOrigin;
 
     // On Adreno, there is a bug where vkQueueWaitIdle will once in a while return
     // VK_ERROR_INITIALIZATION_FAILED instead of the required VK_SUCCESS or VK_DEVICE_LOST. This
     // flag says we will accept VK_ERROR_INITIALIZATION_FAILED as well.
     bool fAllowInitializationErrorOnTearDown;
 
     // Check whether we support using draws for copies.
     bool fSupportsCopiesAsDraws;
 
+    // On Nvidia there is a current bug where we must the current command buffer before copy
+    // operations or else the copy will not happen. This includes copies, blits, resolves, and copy
+    // as draws.
+    bool fMustSubmitCommandsBeforeCopyOp;
+
     typedef GrCaps INHERITED;
 };
 
 #endif