Add command buffer submits before copy calls in vulkan.

src/gpu/vk/GrVkCaps.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrVkCaps.h"
 
 #include "GrVkUtil.h"
 #include "glsl/GrGLSLCaps.h"
 #include "vk/GrVkInterface.h"
 #include "vk/GrVkBackendContext.h"
 
 GrVkCaps::GrVkCaps(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface,
                    VkPhysicalDevice physDev, uint32_t featureFlags, uint32_t extensionFlags)
     : INHERITED(contextOptions) {
     fCanUseGLSLForShaderModule = false;
     fMustDoCopiesFromOrigin = false;
     fAllowInitializationErrorOnTearDown = false;
     fSupportsCopiesAsDraws = false;
+    fMustSubmitCommandsBeforeCopyOp = false;
 
     /**************************************************************************
     * GrDrawTargetCaps fields
     **************************************************************************/
     fMipMapSupport = true;   // always available in Vulkan
     fSRGBSupport = true;   // always available in Vulkan
     fNPOTTextureTileSupport = true;  // always available in Vulkan
     fTwoSidedStencilSupport = true;  // always available in Vulkan
     fStencilWrapOpsSupport = true; // always available in Vulkan
     fDiscardRenderTargetSupport = true;
@@ skipping 35 matching lines @@
         // Currently disabling this feature since it does not play well with validation layers which
         // expect a SPIR-V shader
         // fCanUseGLSLForShaderModule = true;
     }
 
     if (kQualcomm_VkVendor == properties.vendorID) {
         fMustDoCopiesFromOrigin = true;
         fAllowInitializationErrorOnTearDown = true;
     }
 
+    if (kNvidia_VkVendor == properties.vendorID) {
+        fSupportsCopiesAsDraws = true;
+        fMustSubmitCommandsBeforeCopyOp = true;
+    }
+
     this->applyOptionsOverrides(contextOptions);
     GrGLSLCaps* glslCaps = static_cast<GrGLSLCaps*>(fShaderCaps.get());
     glslCaps->applyOptionsOverrides(contextOptions);
 }
 
 int get_max_sample_count(VkSampleCountFlags flags) {
     SkASSERT(flags & VK_SAMPLE_COUNT_1_BIT);
     if (!(flags & VK_SAMPLE_COUNT_2_BIT)) {
         return 0;
     }
@@ skipping 169 matching lines @@
 
 void GrVkCaps::ConfigInfo::init(const GrVkInterface* interface,
                                 VkPhysicalDevice physDev,
                                 VkFormat format) {
     VkFormatProperties props;
     memset(&props, 0, sizeof(VkFormatProperties));
     GR_VK_CALL(interface, GetPhysicalDeviceFormatProperties(physDev, format, &props));
     InitConfigFlags(props.linearTilingFeatures, &fLinearFlags);
     InitConfigFlags(props.optimalTilingFeatures, &fOptimalFlags);
 }