Add resource tracking output and command buffer recycling

src/gpu/vk/GrVkRenderPass.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 GrVkRenderPass_DEFINED
 #define GrVkRenderPass_DEFINED
 
@@ skipping 102 matching lines @@
     bool isCompatible(const GrVkRenderPass& renderPass) const;
 
     bool equalLoadStoreOps(const LoadStoreOps& colorOps,
                            const LoadStoreOps& resolveOps,
                            const LoadStoreOps& stencilOps) const;
 
     VkRenderPass vkRenderPass() const { return fRenderPass; }
 
     void genKey(GrProcessorKeyBuilder* b) const;
 
+#ifdef SK_TRACE_VK_RESOURCES
+    void dumpInfo() const override {
+        SkDebugf("GrVkRenderPass: %d (%d refs)\n", fRenderPass, this->getRefCnt());
+    }
+#endif
+
 private:
     GrVkRenderPass(const GrVkRenderPass&);
 
     void init(const GrVkGpu* gpu,
               const LoadStoreOps& colorOps,
               const LoadStoreOps& resolveOps,
               const LoadStoreOps& stencilOps);
 
     bool isCompatible(const AttachmentsDescriptor&, const AttachmentFlags&) const;
 
     void freeGPUData(const GrVkGpu* gpu) const override;
 
     VkRenderPass          fRenderPass;
     AttachmentFlags       fAttachmentFlags;
     AttachmentsDescriptor fAttachmentsDescriptor;
 
     typedef GrVkResource INHERITED;
 };
 
 GR_MAKE_BITFIELD_OPS(GrVkRenderPass::AttachmentFlags);
 
 #endif