GrVkCommandPool.h

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/*
 * Copyright 2018 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#ifndef GrVkCommandPool_DEFINED
#define GrVkCommandPool_DEFINED
 
#include "src/gpu/ganesh/vk/GrVkManagedResource.h"
#include "src/gpu/ganesh/vk/GrVkResourceProvider.h"
#include "src/gpu/vk/VulkanInterface.h"
 
#include <cinttypes>
 
class GrVkPrimaryCommandBuffer;
class GrVkSecondaryCommandBuffer;
class GrVkGpu;
 
class GrVkCommandPool : public GrVkManagedResource {
public:
    static GrVkCommandPool* Create(GrVkGpu* gpu);
 
    VkCommandPool vkCommandPool() const {
        return fCommandPool;
    }
 
    void reset(GrVkGpu* gpu);
 
 
    GrVkPrimaryCommandBuffer* getPrimaryCommandBuffer() { return fPrimaryCommandBuffer.get(); }
 
    std::unique_ptr<GrVkSecondaryCommandBuffer> findOrCreateSecondaryCommandBuffer(GrVkGpu* gpu);
 
    void recycleSecondaryCommandBuffer(GrVkSecondaryCommandBuffer* buffer);
 
    // marks that we are finished with this command pool; it is not legal to continue creating or
    // writing to command buffers in a closed pool
    void close();
 
    // returns true if close() has not been called
    bool isOpen() const { return fOpen; }
 
#ifdef SK_TRACE_MANAGED_RESOURCES
    void dumpInfo() const override {
        SkDebugf("GrVkCommandPool: %" PRIdPTR " (%d refs)\n",
                 (intptr_t)fCommandPool, this->getRefCnt());
    }
#endif
 
private:
    GrVkCommandPool() = delete;
 
    GrVkCommandPool(GrVkGpu* gpu, VkCommandPool commandPool, GrVkPrimaryCommandBuffer*);
 
    void releaseResources();
 
    void freeGPUData() const override;
 
    bool fOpen = true;
 
    VkCommandPool fCommandPool;
 
    std::unique_ptr<GrVkPrimaryCommandBuffer> fPrimaryCommandBuffer;
 
    // Array of available secondary command buffers that are not in flight
    skia_private::STArray<4,
        std::unique_ptr<GrVkSecondaryCommandBuffer>, true> fAvailableSecondaryBuffers;
    int fMaxCachedSecondaryCommandBuffers;
};
 
#endif