Subclass GrVkCommandBuffer into Primary and Secondary CommandBuffers.

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 97 matching lines @@
     void getBeginInfo(const GrVkRenderTarget& target,
                       VkRenderPassBeginInfo* beginInfo,
                       VkSubpassContents* contents) const;
 
     // Returns whether or not the structure of a RenderTarget matches that of the VkRenderPass in
     // this object. Specifically this compares that the number of attachments, format of
     // attachments, and sample counts are all the same. This function is used in the creation of
     // basic RenderPasses that can be used when creating a VkFrameBuffer object.
     bool isCompatible(const GrVkRenderTarget& target) const;
 
+    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;
 
 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