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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrVkDescriptorPool.h"
#include "GrVkGpu.h"
#include "SkTemplates.h"
GrVkDescriptorPool::GrVkDescriptorPool(const GrVkGpu* gpu, VkDescriptorType type, uint32_t count)
: INHERITED()
, fType (type)
, fCount(count) {
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;
GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateDescriptorPool(gpu->device(),
&createInfo,
nullptr,
&fDescPool));
}
bool GrVkDescriptorPool::isCompatible(VkDescriptorType type, uint32_t count) const {
return fType == type && count <= fCount;
}
void GrVkDescriptorPool::reset(const GrVkGpu* gpu) {
GR_VK_CALL_ERRCHECK(gpu->vkInterface(), ResetDescriptorPool(gpu->device(), fDescPool, 0));
}
void GrVkDescriptorPool::freeGPUData(const GrVkGpu* gpu) const {
// Destroying the VkDescriptorPool will automatically free and delete any VkDescriptorSets
// allocated from the pool.
GR_VK_CALL(gpu->vkInterface(), DestroyDescriptorPool(gpu->device(), fDescPool, nullptr));
}
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