Subclass GrVkCommandBuffer into Primary and Secondary CommandBuffers.

src/gpu/vk/GrVkGpu.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 "GrVkGpu.h"
 
 #include "GrContextOptions.h"
@@ skipping 110 matching lines @@
         VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, // sType
         nullptr,                                    // pNext
         VK_COMMAND_POOL_CREATE_TRANSIENT_BIT,       // CmdPoolCreateFlags
         backendCtx->fGraphicsQueueIndex,            // queueFamilyIndex
     };
     GR_VK_CALL_ERRCHECK(this->vkInterface(), CreateCommandPool(fDevice, &cmdPoolInfo, nullptr,
                                                                &fCmdPool));
 
     // must call this after creating the CommandPool
     fResourceProvider.init();
-    fCurrentCmdBuffer = fResourceProvider.createCommandBuffer();
+    fCurrentCmdBuffer = fResourceProvider.createPrimaryCommandBuffer();
     SkASSERT(fCurrentCmdBuffer);
     fCurrentCmdBuffer->begin(this);
 }
 
 GrVkGpu::~GrVkGpu() {
     fCurrentCmdBuffer->end(this);
     fCurrentCmdBuffer->unref(this);
 
     // wait for all commands to finish
     fResourceProvider.checkCommandBuffers();
@@ skipping 20 matching lines @@
 
 void GrVkGpu::submitCommandBuffer(SyncQueue sync) {
     SkASSERT(fCurrentCmdBuffer);
     fCurrentCmdBuffer->end(this);
 
     fCurrentCmdBuffer->submitToQueue(this, fQueue, sync);
     fResourceProvider.checkCommandBuffers();
 
     // Release old command buffer and create a new one
     fCurrentCmdBuffer->unref(this);
-    fCurrentCmdBuffer = fResourceProvider.createCommandBuffer();
+    fCurrentCmdBuffer = fResourceProvider.createPrimaryCommandBuffer();
     SkASSERT(fCurrentCmdBuffer);
 
     fCurrentCmdBuffer->begin(this);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 GrBuffer* GrVkGpu::onCreateBuffer(size_t size, GrBufferType type, GrAccessPattern accessPattern,
                                   const void* data) {
     GrBuffer* buff;
     switch (type) {
@@ skipping 1502 matching lines @@
     aglSwapBuffers(aglGetCurrentContext());
     int set_a_break_pt_here = 9;
     aglSwapBuffers(aglGetCurrentContext());
 #elif defined(SK_BUILD_FOR_WIN32)
     SwapBuf();
     int set_a_break_pt_here = 9;
     SwapBuf();
 #endif
 #endif
 }