1 // Copyright 2018 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "dawn_native/vulkan/SamplerVk.h" 16 17 #include "dawn_native/vulkan/DeviceVk.h" 18 #include "dawn_native/vulkan/FencedDeleter.h" 19 #include "dawn_native/vulkan/UtilsVulkan.h" 20 #include "dawn_native/vulkan/VulkanError.h" 21 22 namespace dawn_native { namespace vulkan { 23 24 namespace { VulkanSamplerAddressMode(wgpu::AddressMode mode)25 VkSamplerAddressMode VulkanSamplerAddressMode(wgpu::AddressMode mode) { 26 switch (mode) { 27 case wgpu::AddressMode::Repeat: 28 return VK_SAMPLER_ADDRESS_MODE_REPEAT; 29 case wgpu::AddressMode::MirrorRepeat: 30 return VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT; 31 case wgpu::AddressMode::ClampToEdge: 32 return VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; 33 } 34 UNREACHABLE(); 35 } 36 VulkanSamplerFilter(wgpu::FilterMode filter)37 VkFilter VulkanSamplerFilter(wgpu::FilterMode filter) { 38 switch (filter) { 39 case wgpu::FilterMode::Linear: 40 return VK_FILTER_LINEAR; 41 case wgpu::FilterMode::Nearest: 42 return VK_FILTER_NEAREST; 43 } 44 UNREACHABLE(); 45 } 46 VulkanMipMapMode(wgpu::FilterMode filter)47 VkSamplerMipmapMode VulkanMipMapMode(wgpu::FilterMode filter) { 48 switch (filter) { 49 case wgpu::FilterMode::Linear: 50 return VK_SAMPLER_MIPMAP_MODE_LINEAR; 51 case wgpu::FilterMode::Nearest: 52 return VK_SAMPLER_MIPMAP_MODE_NEAREST; 53 } 54 UNREACHABLE(); 55 } 56 } // anonymous namespace 57 58 // static Create(Device * device,const SamplerDescriptor * descriptor)59 ResultOrError<Ref<Sampler>> Sampler::Create(Device* device, 60 const SamplerDescriptor* descriptor) { 61 Ref<Sampler> sampler = AcquireRef(new Sampler(device, descriptor)); 62 DAWN_TRY(sampler->Initialize(descriptor)); 63 return sampler; 64 } 65 Initialize(const SamplerDescriptor * descriptor)66 MaybeError Sampler::Initialize(const SamplerDescriptor* descriptor) { 67 VkSamplerCreateInfo createInfo = {}; 68 createInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; 69 createInfo.pNext = nullptr; 70 createInfo.flags = 0; 71 createInfo.magFilter = VulkanSamplerFilter(descriptor->magFilter); 72 createInfo.minFilter = VulkanSamplerFilter(descriptor->minFilter); 73 createInfo.mipmapMode = VulkanMipMapMode(descriptor->mipmapFilter); 74 createInfo.addressModeU = VulkanSamplerAddressMode(descriptor->addressModeU); 75 createInfo.addressModeV = VulkanSamplerAddressMode(descriptor->addressModeV); 76 createInfo.addressModeW = VulkanSamplerAddressMode(descriptor->addressModeW); 77 createInfo.mipLodBias = 0.0f; 78 if (descriptor->compare != wgpu::CompareFunction::Undefined) { 79 createInfo.compareOp = ToVulkanCompareOp(descriptor->compare); 80 createInfo.compareEnable = VK_TRUE; 81 } else { 82 // Still set the compareOp so it's not garbage. 83 createInfo.compareOp = VK_COMPARE_OP_NEVER; 84 createInfo.compareEnable = VK_FALSE; 85 } 86 createInfo.minLod = descriptor->lodMinClamp; 87 createInfo.maxLod = descriptor->lodMaxClamp; 88 createInfo.unnormalizedCoordinates = VK_FALSE; 89 90 Device* device = ToBackend(GetDevice()); 91 uint16_t maxAnisotropy = GetMaxAnisotropy(); 92 if (device->GetDeviceInfo().features.samplerAnisotropy == VK_TRUE && maxAnisotropy > 1) { 93 createInfo.anisotropyEnable = VK_TRUE; 94 // https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkSamplerCreateInfo.html 95 createInfo.maxAnisotropy = 96 std::min(static_cast<float>(maxAnisotropy), 97 device->GetDeviceInfo().properties.limits.maxSamplerAnisotropy); 98 } else { 99 createInfo.anisotropyEnable = VK_FALSE; 100 createInfo.maxAnisotropy = 1; 101 } 102 103 DAWN_TRY(CheckVkSuccess( 104 device->fn.CreateSampler(device->GetVkDevice(), &createInfo, nullptr, &*mHandle), 105 "CreateSampler")); 106 107 SetLabelImpl(); 108 109 return {}; 110 } 111 112 Sampler::~Sampler() = default; 113 DestroyImpl()114 void Sampler::DestroyImpl() { 115 SamplerBase::DestroyImpl(); 116 if (mHandle != VK_NULL_HANDLE) { 117 ToBackend(GetDevice())->GetFencedDeleter()->DeleteWhenUnused(mHandle); 118 mHandle = VK_NULL_HANDLE; 119 } 120 } 121 GetHandle() const122 VkSampler Sampler::GetHandle() const { 123 return mHandle; 124 } 125 SetLabelImpl()126 void Sampler::SetLabelImpl() { 127 SetDebugName(ToBackend(GetDevice()), VK_OBJECT_TYPE_SAMPLER, 128 reinterpret_cast<uint64_t&>(mHandle), "Dawn_Sampler", GetLabel()); 129 } 130 131 }} // namespace dawn_native::vulkan 132