| // Copyright 2018 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/native/vulkan/BindGroupVk.h" |
| |
| #include "dawn/common/BitSetIterator.h" |
| #include "dawn/common/ityp_stack_vec.h" |
| #include "dawn/native/ExternalTexture.h" |
| #include "dawn/native/vulkan/BindGroupLayoutVk.h" |
| #include "dawn/native/vulkan/BufferVk.h" |
| #include "dawn/native/vulkan/DeviceVk.h" |
| #include "dawn/native/vulkan/FencedDeleter.h" |
| #include "dawn/native/vulkan/SamplerVk.h" |
| #include "dawn/native/vulkan/TextureVk.h" |
| #include "dawn/native/vulkan/UtilsVulkan.h" |
| #include "dawn/native/vulkan/VulkanError.h" |
| |
| namespace dawn::native::vulkan { |
| |
| // static |
| ResultOrError<Ref<BindGroup>> BindGroup::Create(Device* device, |
| const BindGroupDescriptor* descriptor) { |
| return ToBackend(descriptor->layout)->AllocateBindGroup(device, descriptor); |
| } |
| |
| BindGroup::BindGroup(Device* device, |
| const BindGroupDescriptor* descriptor, |
| DescriptorSetAllocation descriptorSetAllocation) |
| : BindGroupBase(this, device, descriptor), mDescriptorSetAllocation(descriptorSetAllocation) { |
| // Now do a write of a single descriptor set with all possible chained data allocated on the |
| // stack. |
| const uint32_t bindingCount = static_cast<uint32_t>((GetLayout()->GetBindingCount())); |
| ityp::stack_vec<uint32_t, VkWriteDescriptorSet, kMaxOptimalBindingsPerGroup> writes( |
| bindingCount); |
| ityp::stack_vec<uint32_t, VkDescriptorBufferInfo, kMaxOptimalBindingsPerGroup> writeBufferInfo( |
| bindingCount); |
| ityp::stack_vec<uint32_t, VkDescriptorImageInfo, kMaxOptimalBindingsPerGroup> writeImageInfo( |
| bindingCount); |
| |
| uint32_t numWrites = 0; |
| for (const auto [_, bindingIndex] : GetLayout()->GetBindingMap()) { |
| const BindingInfo& bindingInfo = GetLayout()->GetBindingInfo(bindingIndex); |
| |
| auto& write = writes[numWrites]; |
| write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; |
| write.pNext = nullptr; |
| write.dstSet = GetHandle(); |
| write.dstBinding = static_cast<uint32_t>(bindingIndex); |
| write.dstArrayElement = 0; |
| write.descriptorCount = 1; |
| write.descriptorType = VulkanDescriptorType(bindingInfo); |
| |
| switch (bindingInfo.bindingType) { |
| case BindingInfoType::Buffer: { |
| BufferBinding binding = GetBindingAsBufferBinding(bindingIndex); |
| |
| VkBuffer handle = ToBackend(binding.buffer)->GetHandle(); |
| if (handle == VK_NULL_HANDLE) { |
| // The Buffer was destroyed. Skip this descriptor write since it would be |
| // a Vulkan Validation Layers error. This bind group won't be used as it |
| // is an error to submit a command buffer that references destroyed |
| // resources. |
| continue; |
| } |
| writeBufferInfo[numWrites].buffer = handle; |
| writeBufferInfo[numWrites].offset = binding.offset; |
| writeBufferInfo[numWrites].range = binding.size; |
| write.pBufferInfo = &writeBufferInfo[numWrites]; |
| break; |
| } |
| |
| case BindingInfoType::Sampler: { |
| Sampler* sampler = ToBackend(GetBindingAsSampler(bindingIndex)); |
| writeImageInfo[numWrites].sampler = sampler->GetHandle(); |
| write.pImageInfo = &writeImageInfo[numWrites]; |
| break; |
| } |
| |
| case BindingInfoType::Texture: { |
| TextureView* view = ToBackend(GetBindingAsTextureView(bindingIndex)); |
| |
| VkImageView handle = view->GetHandle(); |
| if (handle == VK_NULL_HANDLE) { |
| // The Texture was destroyed before the TextureView was created. |
| // Skip this descriptor write since it would be |
| // a Vulkan Validation Layers error. This bind group won't be used as it |
| // is an error to submit a command buffer that references destroyed |
| // resources. |
| continue; |
| } |
| writeImageInfo[numWrites].imageView = handle; |
| |
| // The layout may be GENERAL here because of interactions between the Sampled |
| // and ReadOnlyStorage usages. See the logic in VulkanImageLayout. |
| writeImageInfo[numWrites].imageLayout = VulkanImageLayout( |
| ToBackend(view->GetTexture()), wgpu::TextureUsage::TextureBinding); |
| |
| write.pImageInfo = &writeImageInfo[numWrites]; |
| break; |
| } |
| |
| case BindingInfoType::StorageTexture: { |
| TextureView* view = ToBackend(GetBindingAsTextureView(bindingIndex)); |
| |
| VkImageView handle = VK_NULL_HANDLE; |
| if (view->GetTexture()->GetFormat().format == wgpu::TextureFormat::BGRA8Unorm) { |
| handle = view->GetHandleForBGRA8UnormStorage(); |
| } else { |
| handle = view->GetHandle(); |
| } |
| if (handle == VK_NULL_HANDLE) { |
| // The Texture was destroyed before the TextureView was created. |
| // Skip this descriptor write since it would be |
| // a Vulkan Validation Layers error. This bind group won't be used as it |
| // is an error to submit a command buffer that references destroyed |
| // resources. |
| continue; |
| } |
| writeImageInfo[numWrites].imageView = handle; |
| writeImageInfo[numWrites].imageLayout = VK_IMAGE_LAYOUT_GENERAL; |
| |
| write.pImageInfo = &writeImageInfo[numWrites]; |
| break; |
| } |
| |
| case BindingInfoType::ExternalTexture: |
| UNREACHABLE(); |
| break; |
| } |
| |
| numWrites++; |
| } |
| |
| // TODO(crbug.com/dawn/855): Batch these updates |
| device->fn.UpdateDescriptorSets(device->GetVkDevice(), numWrites, writes.data(), 0, nullptr); |
| |
| SetLabelImpl(); |
| } |
| |
| BindGroup::~BindGroup() = default; |
| |
| void BindGroup::DestroyImpl() { |
| BindGroupBase::DestroyImpl(); |
| ToBackend(GetLayout())->DeallocateBindGroup(this, &mDescriptorSetAllocation); |
| } |
| |
| VkDescriptorSet BindGroup::GetHandle() const { |
| return mDescriptorSetAllocation.set; |
| } |
| |
| void BindGroup::SetLabelImpl() { |
| SetDebugName(ToBackend(GetDevice()), mDescriptorSetAllocation.set, "Dawn_BindGroup", |
| GetLabel()); |
| } |
| |
| } // namespace dawn::native::vulkan |