1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "GrVkDescriptorPool.h" 9 10 #include "GrVkGpu.h" 11 #include "SkTemplates.h" 12 13 14 GrVkDescriptorPool::GrVkDescriptorPool(const GrVkGpu* gpu, VkDescriptorType type, uint32_t count) 15 : INHERITED() 16 , fType (type) 17 , fCount(count) { 18 VkDescriptorPoolSize poolSize; 19 memset(&poolSize, 0, sizeof(VkDescriptorPoolSize)); 20 poolSize.descriptorCount = count; 21 poolSize.type = type; 22 23 VkDescriptorPoolCreateInfo createInfo; 24 memset(&createInfo, 0, sizeof(VkDescriptorPoolCreateInfo)); 25 createInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; 26 createInfo.pNext = nullptr; 27 createInfo.flags = 0; 28 // This is an over/conservative estimate since each set may contain more than count descriptors. 29 createInfo.maxSets = count; 30 createInfo.poolSizeCount = 1; 31 createInfo.pPoolSizes = &poolSize; 32 33 GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateDescriptorPool(gpu->device(), 34 &createInfo, 35 nullptr, 36 &fDescPool)); 37 } 38 39 bool GrVkDescriptorPool::isCompatible(VkDescriptorType type, uint32_t count) const { 40 return fType == type && count <= fCount; 41 } 42 43 void GrVkDescriptorPool::reset(const GrVkGpu* gpu) { 44 GR_VK_CALL_ERRCHECK(gpu->vkInterface(), ResetDescriptorPool(gpu->device(), fDescPool, 0)); 45 } 46 47 void GrVkDescriptorPool::freeGPUData(const GrVkGpu* gpu) const { 48 // Destroying the VkDescriptorPool will automatically free and delete any VkDescriptorSets 49 // allocated from the pool. 50 GR_VK_CALL(gpu->vkInterface(), DestroyDescriptorPool(gpu->device(), fDescPool, nullptr)); 51 } 52
