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#ifndef GrVkSampler_DEFINED 9#define GrVkSampler_DEFINED 10 11#include "GrVkResource.h" 12 13#include "vk/GrVkDefines.h" 14 15class GrSamplerParams; 16class GrVkGpu; 17 18 19class GrVkSampler : public GrVkResource { 20public: 21 static GrVkSampler* Create(const GrVkGpu* gpu, const GrSamplerParams&, uint32_t mipLevels); 22 23 VkSampler sampler() const { return fSampler; } 24 25 // Helpers for hashing GrVkSampler 26 static uint16_t GenerateKey(const GrSamplerParams&, uint32_t mipLevels); 27 28 static const uint16_t& GetKey(const GrVkSampler& sampler) { return sampler.fKey; } 29 static uint32_t Hash(const uint16_t& key) { return key; } 30 31#ifdef SK_TRACE_VK_RESOURCES 32 void dumpInfo() const override { 33 SkDebugf("GrVkSampler: %d (%d refs)\n", fSampler, this->getRefCnt()); 34 } 35#endif 36 37private: 38 GrVkSampler(VkSampler sampler, uint16_t key) : INHERITED(), fSampler(sampler), fKey(key) {} 39 40 void freeGPUData(const GrVkGpu* gpu) const override; 41 42 VkSampler fSampler; 43 uint16_t fKey; 44 45 typedef GrVkResource INHERITED; 46}; 47 48#endif 49