GrVkDescriptorPool Class Reference

#include <GrVkDescriptorPool.h>

Inheritance diagram for GrVkDescriptorPool:

Public Member Functions
VkDescriptorPool	descPool () const
bool	isCompatible (VkDescriptorType type, uint32_t count) const
Public Member Functions inherited from GrVkManagedResource
	GrVkManagedResource (const GrVkGpu *gpu)
Public Member Functions inherited from GrManagedResource
	GrManagedResource ()
virtual	~GrManagedResource ()
bool	unique () const
void	ref () const
void	unref () const

Static Public Member Functions
static GrVkDescriptorPool *	Create (GrVkGpu *gpu, VkDescriptorType type, uint32_t count)

Additional Inherited Members
Protected Attributes inherited from GrVkManagedResource
const GrVkGpu *	fGpu

Detailed Description

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.

Definition at line 23 of file GrVkDescriptorPool.h.

Member Function Documentation

Create()

GrVkDescriptorPool * GrVkDescriptorPool::Create ( GrVkGpu *  gpu, VkDescriptorType  type, uint32_t  count  )

static

Definition at line 14 of file GrVkDescriptorPool.cpp.

                                                               {
    VkDescriptorPoolSize poolSize;
    memset(&poolSize, 0, sizeof(VkDescriptorPoolSize));
    poolSize.descriptorCount = count;
    poolSize.type = type;
 
    VkDescriptorPoolCreateInfo createInfo;
    memset(&createInfo, 0, sizeof(VkDescriptorPoolCreateInfo));
    createInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
    createInfo.pNext = nullptr;
    createInfo.flags = 0;
    // This is an over/conservative estimate since each set may contain more than count descriptors.
    createInfo.maxSets = count;
    createInfo.poolSizeCount = 1;
    createInfo.pPoolSizes = &poolSize;
 
    VkDescriptorPool pool;
    VkResult result;
    GR_VK_CALL_RESULT(gpu, result, CreateDescriptorPool(gpu->device(), &createInfo, nullptr,
                                                        &pool));
    if (result != VK_SUCCESS) {
        return nullptr;
    }
    return new GrVkDescriptorPool(gpu, pool, type, count);
}

descPool()

VkDescriptorPool GrVkDescriptorPool::descPool ( ) const

inline

Definition at line 27 of file GrVkDescriptorPool.h.

{ return fDescPool; }

isCompatible()

bool GrVkDescriptorPool::isCompatible	(	VkDescriptorType	type,
		uint32_t	count
	)		const

Definition at line 45 of file GrVkDescriptorPool.cpp.

                                                                                 {
    return fType == type && count <= fCount;
}

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The documentation for this class was generated from the following files:

• third_party/skia/src/gpu/ganesh/vk/GrVkDescriptorPool.h
• third_party/skia/src/gpu/ganesh/vk/GrVkDescriptorPool.cpp