Recycle small uniform buffers.

src/gpu/vk/GrVkPipelineState.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "GrVkPipelineState.h"
 
 #include "GrPipeline.h"
@@ skipping 50 matching lines @@
     // Currently we are always binding a descriptor set for uniform buffers.
     if (vertexUniformSize || fragmentUniformSize) {
         fDSCount++;
         fStartDS = GrVkUniformHandler::kUniformBufferDescSet;
     }
     if (numSamplers) {
         fDSCount++;
         fStartDS = SkTMin(fStartDS, (int)GrVkUniformHandler::kSamplerDescSet);
     }
 
-    fVertexUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, vertexUniformSize, true));
-    fFragmentUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, fragmentUniformSize, true));
+    fVertexUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, vertexUniformSize));
+    fFragmentUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, fragmentUniformSize));
 
     fNumSamplers = numSamplers;
 }
 
 GrVkPipelineState::~GrVkPipelineState() {
     // Must of freed all GPU resources before this is destroyed
     SkASSERT(!fPipeline);
     SkASSERT(!fPipelineLayout);
     SkASSERT(!fSamplers.count());
     SkASSERT(!fTextureViews.count());
@@ skipping 408 matching lines @@
 
     b.add32(get_blend_info_key(pipeline));
 
     b.add32(primitiveType);
 
     // Set key length
     int keyLength = key->count();
     SkASSERT(0 == (keyLength % 4));
     *reinterpret_cast<uint32_t*>(key->begin()) = SkToU32(keyLength);
 }