GrVkDescriptorPool.h

Go to the documentation of this file.

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
 
#ifndef GrVkDescriptorPool_DEFINED
#define GrVkDescriptorPool_DEFINED
 
#include "include/gpu/vk/GrVkTypes.h"
#include "src/gpu/ganesh/vk/GrVkManagedResource.h"
 
#include <cinttypes>
 
class GrVkGpu;
 
/**
 * We require that all descriptor sets are of a single descriptor type. We also use a pool to only
 * make one type of descriptor set. Thus a single VkDescriptorPool will only allocated space for
 * for one type of descriptor.
 */
class GrVkDescriptorPool : public GrVkManagedResource {
public:
    static GrVkDescriptorPool* Create(GrVkGpu* gpu, VkDescriptorType type, uint32_t count);
 
    VkDescriptorPool descPool() const { return fDescPool; }
 
    // Returns whether or not this descriptor pool could be used, assuming it gets fully reset and
    // not in use by another draw, to support the requested type and count.
    bool isCompatible(VkDescriptorType type, uint32_t count) const;
 
#ifdef SK_TRACE_MANAGED_RESOURCES
    void dumpInfo() const override {
        SkDebugf("GrVkDescriptorPool: %" PRIdPTR ", type %d (%d refs)\n", (intptr_t)fDescPool,
                 fType, this->getRefCnt());
    }
#endif
 
private:
    GrVkDescriptorPool(const GrVkGpu*, VkDescriptorPool pool, VkDescriptorType type,
                       uint32_t count);
 
    void freeGPUData() const override;
 
    VkDescriptorType     fType;
    uint32_t             fCount;
    VkDescriptorPool     fDescPool;
 
    using INHERITED = GrVkManagedResource;
};
 
#endif