| // Copyright 2017 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/d3d12/TextureD3D12.h" |
| |
| #include "common/Constants.h" |
| #include "common/Math.h" |
| #include "dawn_native/DynamicUploader.h" |
| #include "dawn_native/Error.h" |
| #include "dawn_native/d3d12/BufferD3D12.h" |
| #include "dawn_native/d3d12/CommandRecordingContext.h" |
| #include "dawn_native/d3d12/D3D12Error.h" |
| #include "dawn_native/d3d12/DeviceD3D12.h" |
| #include "dawn_native/d3d12/HeapD3D12.h" |
| #include "dawn_native/d3d12/ResourceAllocatorManagerD3D12.h" |
| #include "dawn_native/d3d12/StagingBufferD3D12.h" |
| #include "dawn_native/d3d12/StagingDescriptorAllocatorD3D12.h" |
| #include "dawn_native/d3d12/TextureCopySplitter.h" |
| #include "dawn_native/d3d12/UtilsD3D12.h" |
| |
| namespace dawn_native { namespace d3d12 { |
| |
| namespace { |
| D3D12_RESOURCE_STATES D3D12TextureUsage(wgpu::TextureUsage usage, const Format& format) { |
| D3D12_RESOURCE_STATES resourceState = D3D12_RESOURCE_STATE_COMMON; |
| |
| if (usage & kPresentTextureUsage) { |
| // The present usage is only used internally by the swapchain and is never used in |
| // combination with other usages. |
| ASSERT(usage == kPresentTextureUsage); |
| return D3D12_RESOURCE_STATE_PRESENT; |
| } |
| |
| if (usage & wgpu::TextureUsage::CopySrc) { |
| resourceState |= D3D12_RESOURCE_STATE_COPY_SOURCE; |
| } |
| if (usage & wgpu::TextureUsage::CopyDst) { |
| resourceState |= D3D12_RESOURCE_STATE_COPY_DEST; |
| } |
| if (usage & (wgpu::TextureUsage::Sampled | kReadonlyStorageTexture)) { |
| resourceState |= (D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE | |
| D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE); |
| } |
| if (usage & wgpu::TextureUsage::Storage) { |
| resourceState |= D3D12_RESOURCE_STATE_UNORDERED_ACCESS; |
| } |
| if (usage & wgpu::TextureUsage::OutputAttachment) { |
| if (format.HasDepthOrStencil()) { |
| resourceState |= D3D12_RESOURCE_STATE_DEPTH_WRITE; |
| } else { |
| resourceState |= D3D12_RESOURCE_STATE_RENDER_TARGET; |
| } |
| } |
| |
| return resourceState; |
| } |
| |
| D3D12_RESOURCE_FLAGS D3D12ResourceFlags(wgpu::TextureUsage usage, |
| const Format& format, |
| bool isMultisampledTexture) { |
| D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE; |
| |
| if (usage & wgpu::TextureUsage::Storage) { |
| flags |= D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS; |
| } |
| |
| // A multisampled resource must have either D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET or |
| // D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL set in D3D12_RESOURCE_DESC::Flags. |
| // https://docs.microsoft.com/en-us/windows/desktop/api/d3d12/ns-d3d12-d3d12_resource_desc |
| // Currently all textures are zero-initialized via the render-target path so always add |
| // the render target flag, except for compressed textures for which the render-target |
| // flag is invalid. |
| // TODO(natlee@microsoft.com, jiawei.shao@intel.com): do not require render target for |
| // lazy clearing. |
| if ((usage & wgpu::TextureUsage::OutputAttachment) || isMultisampledTexture || |
| !format.isCompressed) { |
| if (format.HasDepthOrStencil()) { |
| flags |= D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL; |
| } else { |
| flags |= D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET; |
| } |
| } |
| |
| ASSERT(!(flags & D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL) || |
| flags == D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL); |
| return flags; |
| } |
| |
| D3D12_RESOURCE_DIMENSION D3D12TextureDimension(wgpu::TextureDimension dimension) { |
| switch (dimension) { |
| case wgpu::TextureDimension::e2D: |
| return D3D12_RESOURCE_DIMENSION_TEXTURE2D; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| DXGI_FORMAT D3D12TypelessTextureFormat(wgpu::TextureFormat format) { |
| switch (format) { |
| case wgpu::TextureFormat::R8Unorm: |
| case wgpu::TextureFormat::R8Snorm: |
| case wgpu::TextureFormat::R8Uint: |
| case wgpu::TextureFormat::R8Sint: |
| return DXGI_FORMAT_R8_TYPELESS; |
| |
| case wgpu::TextureFormat::R16Uint: |
| case wgpu::TextureFormat::R16Sint: |
| case wgpu::TextureFormat::R16Float: |
| return DXGI_FORMAT_R16_TYPELESS; |
| |
| case wgpu::TextureFormat::RG8Unorm: |
| case wgpu::TextureFormat::RG8Snorm: |
| case wgpu::TextureFormat::RG8Uint: |
| case wgpu::TextureFormat::RG8Sint: |
| return DXGI_FORMAT_R8G8_TYPELESS; |
| |
| case wgpu::TextureFormat::R32Uint: |
| case wgpu::TextureFormat::R32Sint: |
| case wgpu::TextureFormat::R32Float: |
| return DXGI_FORMAT_R32_TYPELESS; |
| |
| case wgpu::TextureFormat::RG16Uint: |
| case wgpu::TextureFormat::RG16Sint: |
| case wgpu::TextureFormat::RG16Float: |
| return DXGI_FORMAT_R16G16_TYPELESS; |
| |
| case wgpu::TextureFormat::RGBA8Unorm: |
| case wgpu::TextureFormat::RGBA8UnormSrgb: |
| case wgpu::TextureFormat::RGBA8Snorm: |
| case wgpu::TextureFormat::RGBA8Uint: |
| case wgpu::TextureFormat::RGBA8Sint: |
| return DXGI_FORMAT_R8G8B8A8_TYPELESS; |
| |
| case wgpu::TextureFormat::BGRA8Unorm: |
| case wgpu::TextureFormat::BGRA8UnormSrgb: |
| return DXGI_FORMAT_B8G8R8A8_TYPELESS; |
| |
| case wgpu::TextureFormat::RGB10A2Unorm: |
| return DXGI_FORMAT_R10G10B10A2_TYPELESS; |
| |
| case wgpu::TextureFormat::RG11B10Float: |
| return DXGI_FORMAT_R11G11B10_FLOAT; |
| |
| case wgpu::TextureFormat::RG32Uint: |
| case wgpu::TextureFormat::RG32Sint: |
| case wgpu::TextureFormat::RG32Float: |
| return DXGI_FORMAT_R32G32_TYPELESS; |
| |
| case wgpu::TextureFormat::RGBA16Uint: |
| case wgpu::TextureFormat::RGBA16Sint: |
| case wgpu::TextureFormat::RGBA16Float: |
| return DXGI_FORMAT_R16G16B16A16_TYPELESS; |
| |
| case wgpu::TextureFormat::RGBA32Uint: |
| case wgpu::TextureFormat::RGBA32Sint: |
| case wgpu::TextureFormat::RGBA32Float: |
| return DXGI_FORMAT_R32G32B32A32_TYPELESS; |
| |
| case wgpu::TextureFormat::Depth32Float: |
| case wgpu::TextureFormat::Depth24Plus: |
| return DXGI_FORMAT_R32_TYPELESS; |
| |
| case wgpu::TextureFormat::Depth24PlusStencil8: |
| return DXGI_FORMAT_X32_TYPELESS_G8X24_UINT; |
| |
| case wgpu::TextureFormat::BC1RGBAUnorm: |
| case wgpu::TextureFormat::BC1RGBAUnormSrgb: |
| return DXGI_FORMAT_BC1_TYPELESS; |
| |
| case wgpu::TextureFormat::BC2RGBAUnorm: |
| case wgpu::TextureFormat::BC2RGBAUnormSrgb: |
| return DXGI_FORMAT_BC2_TYPELESS; |
| |
| case wgpu::TextureFormat::BC3RGBAUnorm: |
| case wgpu::TextureFormat::BC3RGBAUnormSrgb: |
| return DXGI_FORMAT_BC3_TYPELESS; |
| |
| case wgpu::TextureFormat::BC4RSnorm: |
| case wgpu::TextureFormat::BC4RUnorm: |
| return DXGI_FORMAT_BC4_TYPELESS; |
| |
| case wgpu::TextureFormat::BC5RGSnorm: |
| case wgpu::TextureFormat::BC5RGUnorm: |
| return DXGI_FORMAT_BC5_TYPELESS; |
| |
| case wgpu::TextureFormat::BC6HRGBSfloat: |
| case wgpu::TextureFormat::BC6HRGBUfloat: |
| return DXGI_FORMAT_BC6H_TYPELESS; |
| |
| case wgpu::TextureFormat::BC7RGBAUnorm: |
| case wgpu::TextureFormat::BC7RGBAUnormSrgb: |
| return DXGI_FORMAT_BC7_TYPELESS; |
| |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| } // namespace |
| |
| DXGI_FORMAT D3D12TextureFormat(wgpu::TextureFormat format) { |
| switch (format) { |
| case wgpu::TextureFormat::R8Unorm: |
| return DXGI_FORMAT_R8_UNORM; |
| case wgpu::TextureFormat::R8Snorm: |
| return DXGI_FORMAT_R8_SNORM; |
| case wgpu::TextureFormat::R8Uint: |
| return DXGI_FORMAT_R8_UINT; |
| case wgpu::TextureFormat::R8Sint: |
| return DXGI_FORMAT_R8_SINT; |
| |
| case wgpu::TextureFormat::R16Uint: |
| return DXGI_FORMAT_R16_UINT; |
| case wgpu::TextureFormat::R16Sint: |
| return DXGI_FORMAT_R16_SINT; |
| case wgpu::TextureFormat::R16Float: |
| return DXGI_FORMAT_R16_FLOAT; |
| case wgpu::TextureFormat::RG8Unorm: |
| return DXGI_FORMAT_R8G8_UNORM; |
| case wgpu::TextureFormat::RG8Snorm: |
| return DXGI_FORMAT_R8G8_SNORM; |
| case wgpu::TextureFormat::RG8Uint: |
| return DXGI_FORMAT_R8G8_UINT; |
| case wgpu::TextureFormat::RG8Sint: |
| return DXGI_FORMAT_R8G8_SINT; |
| |
| case wgpu::TextureFormat::R32Uint: |
| return DXGI_FORMAT_R32_UINT; |
| case wgpu::TextureFormat::R32Sint: |
| return DXGI_FORMAT_R32_SINT; |
| case wgpu::TextureFormat::R32Float: |
| return DXGI_FORMAT_R32_FLOAT; |
| case wgpu::TextureFormat::RG16Uint: |
| return DXGI_FORMAT_R16G16_UINT; |
| case wgpu::TextureFormat::RG16Sint: |
| return DXGI_FORMAT_R16G16_SINT; |
| case wgpu::TextureFormat::RG16Float: |
| return DXGI_FORMAT_R16G16_FLOAT; |
| case wgpu::TextureFormat::RGBA8Unorm: |
| return DXGI_FORMAT_R8G8B8A8_UNORM; |
| case wgpu::TextureFormat::RGBA8UnormSrgb: |
| return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB; |
| case wgpu::TextureFormat::RGBA8Snorm: |
| return DXGI_FORMAT_R8G8B8A8_SNORM; |
| case wgpu::TextureFormat::RGBA8Uint: |
| return DXGI_FORMAT_R8G8B8A8_UINT; |
| case wgpu::TextureFormat::RGBA8Sint: |
| return DXGI_FORMAT_R8G8B8A8_SINT; |
| case wgpu::TextureFormat::BGRA8Unorm: |
| return DXGI_FORMAT_B8G8R8A8_UNORM; |
| case wgpu::TextureFormat::BGRA8UnormSrgb: |
| return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB; |
| case wgpu::TextureFormat::RGB10A2Unorm: |
| return DXGI_FORMAT_R10G10B10A2_UNORM; |
| case wgpu::TextureFormat::RG11B10Float: |
| return DXGI_FORMAT_R11G11B10_FLOAT; |
| |
| case wgpu::TextureFormat::RG32Uint: |
| return DXGI_FORMAT_R32G32_UINT; |
| case wgpu::TextureFormat::RG32Sint: |
| return DXGI_FORMAT_R32G32_SINT; |
| case wgpu::TextureFormat::RG32Float: |
| return DXGI_FORMAT_R32G32_FLOAT; |
| case wgpu::TextureFormat::RGBA16Uint: |
| return DXGI_FORMAT_R16G16B16A16_UINT; |
| case wgpu::TextureFormat::RGBA16Sint: |
| return DXGI_FORMAT_R16G16B16A16_SINT; |
| case wgpu::TextureFormat::RGBA16Float: |
| return DXGI_FORMAT_R16G16B16A16_FLOAT; |
| |
| case wgpu::TextureFormat::RGBA32Uint: |
| return DXGI_FORMAT_R32G32B32A32_UINT; |
| case wgpu::TextureFormat::RGBA32Sint: |
| return DXGI_FORMAT_R32G32B32A32_SINT; |
| case wgpu::TextureFormat::RGBA32Float: |
| return DXGI_FORMAT_R32G32B32A32_FLOAT; |
| |
| case wgpu::TextureFormat::Depth32Float: |
| return DXGI_FORMAT_D32_FLOAT; |
| case wgpu::TextureFormat::Depth24Plus: |
| return DXGI_FORMAT_D32_FLOAT; |
| case wgpu::TextureFormat::Depth24PlusStencil8: |
| return DXGI_FORMAT_D32_FLOAT_S8X24_UINT; |
| |
| case wgpu::TextureFormat::BC1RGBAUnorm: |
| return DXGI_FORMAT_BC1_UNORM; |
| case wgpu::TextureFormat::BC1RGBAUnormSrgb: |
| return DXGI_FORMAT_BC1_UNORM_SRGB; |
| case wgpu::TextureFormat::BC2RGBAUnorm: |
| return DXGI_FORMAT_BC2_UNORM; |
| case wgpu::TextureFormat::BC2RGBAUnormSrgb: |
| return DXGI_FORMAT_BC2_UNORM_SRGB; |
| case wgpu::TextureFormat::BC3RGBAUnorm: |
| return DXGI_FORMAT_BC3_UNORM; |
| case wgpu::TextureFormat::BC3RGBAUnormSrgb: |
| return DXGI_FORMAT_BC3_UNORM_SRGB; |
| case wgpu::TextureFormat::BC4RSnorm: |
| return DXGI_FORMAT_BC4_SNORM; |
| case wgpu::TextureFormat::BC4RUnorm: |
| return DXGI_FORMAT_BC4_UNORM; |
| case wgpu::TextureFormat::BC5RGSnorm: |
| return DXGI_FORMAT_BC5_SNORM; |
| case wgpu::TextureFormat::BC5RGUnorm: |
| return DXGI_FORMAT_BC5_UNORM; |
| case wgpu::TextureFormat::BC6HRGBSfloat: |
| return DXGI_FORMAT_BC6H_SF16; |
| case wgpu::TextureFormat::BC6HRGBUfloat: |
| return DXGI_FORMAT_BC6H_UF16; |
| case wgpu::TextureFormat::BC7RGBAUnorm: |
| return DXGI_FORMAT_BC7_UNORM; |
| case wgpu::TextureFormat::BC7RGBAUnormSrgb: |
| return DXGI_FORMAT_BC7_UNORM_SRGB; |
| |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| MaybeError ValidateTextureDescriptorCanBeWrapped(const TextureDescriptor* descriptor) { |
| if (descriptor->dimension != wgpu::TextureDimension::e2D) { |
| return DAWN_VALIDATION_ERROR("Texture must be 2D"); |
| } |
| |
| if (descriptor->mipLevelCount != 1) { |
| return DAWN_VALIDATION_ERROR("Mip level count must be 1"); |
| } |
| |
| if (descriptor->size.depth != 1) { |
| return DAWN_VALIDATION_ERROR("Depth must be 1"); |
| } |
| |
| if (descriptor->sampleCount != 1) { |
| return DAWN_VALIDATION_ERROR("Sample count must be 1"); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateD3D12TextureCanBeWrapped(ID3D12Resource* d3d12Resource, |
| const TextureDescriptor* dawnDescriptor) { |
| const D3D12_RESOURCE_DESC d3dDescriptor = d3d12Resource->GetDesc(); |
| if ((dawnDescriptor->size.width != d3dDescriptor.Width) || |
| (dawnDescriptor->size.height != d3dDescriptor.Height) || |
| (dawnDescriptor->size.depth != 1)) { |
| return DAWN_VALIDATION_ERROR("D3D12 texture size doesn't match descriptor"); |
| } |
| |
| const DXGI_FORMAT dxgiFormatFromDescriptor = D3D12TextureFormat(dawnDescriptor->format); |
| if (dxgiFormatFromDescriptor != d3dDescriptor.Format) { |
| return DAWN_VALIDATION_ERROR( |
| "D3D12 texture format must be compatible with descriptor format."); |
| } |
| |
| if (d3dDescriptor.MipLevels != 1) { |
| return DAWN_VALIDATION_ERROR("D3D12 texture number of miplevels must be 1."); |
| } |
| |
| if (d3dDescriptor.DepthOrArraySize != 1) { |
| return DAWN_VALIDATION_ERROR("D3D12 texture array size must be 1."); |
| } |
| |
| // Shared textures cannot be multi-sample so no need to check those. |
| ASSERT(d3dDescriptor.SampleDesc.Count == 1); |
| ASSERT(d3dDescriptor.SampleDesc.Quality == 0); |
| |
| return {}; |
| } |
| |
| ResultOrError<Ref<TextureBase>> Texture::Create(Device* device, |
| const TextureDescriptor* descriptor) { |
| Ref<Texture> dawnTexture = |
| AcquireRef(new Texture(device, descriptor, TextureState::OwnedInternal)); |
| DAWN_TRY(dawnTexture->InitializeAsInternalTexture()); |
| return std::move(dawnTexture); |
| } |
| |
| ResultOrError<Ref<TextureBase>> Texture::Create(Device* device, |
| const ExternalImageDescriptor* descriptor, |
| HANDLE sharedHandle, |
| uint64_t acquireMutexKey, |
| bool isSwapChainTexture) { |
| const TextureDescriptor* textureDescriptor = |
| reinterpret_cast<const TextureDescriptor*>(descriptor->cTextureDescriptor); |
| |
| // TODO(dawn:22): Remove once migration from GPUTextureDescriptor.arrayLayerCount to |
| // GPUTextureDescriptor.size.depth is done. |
| TextureDescriptor fixedDescriptor; |
| DAWN_TRY_ASSIGN(fixedDescriptor, FixTextureDescriptor(device, textureDescriptor)); |
| textureDescriptor = &fixedDescriptor; |
| |
| Ref<Texture> dawnTexture = |
| AcquireRef(new Texture(device, textureDescriptor, TextureState::OwnedExternal)); |
| DAWN_TRY(dawnTexture->InitializeAsExternalTexture(textureDescriptor, sharedHandle, |
| acquireMutexKey, isSwapChainTexture)); |
| dawnTexture->SetIsSubresourceContentInitialized(descriptor->isCleared, |
| dawnTexture->GetAllSubresources()); |
| return std::move(dawnTexture); |
| } |
| |
| MaybeError Texture::InitializeAsExternalTexture(const TextureDescriptor* descriptor, |
| HANDLE sharedHandle, |
| uint64_t acquireMutexKey, |
| bool isSwapChainTexture) { |
| Device* dawnDevice = ToBackend(GetDevice()); |
| DAWN_TRY(ValidateTextureDescriptor(dawnDevice, descriptor)); |
| DAWN_TRY(ValidateTextureDescriptorCanBeWrapped(descriptor)); |
| |
| ComPtr<ID3D12Resource> d3d12Resource; |
| DAWN_TRY(CheckHRESULT(dawnDevice->GetD3D12Device()->OpenSharedHandle( |
| sharedHandle, IID_PPV_ARGS(&d3d12Resource)), |
| "D3D12 opening shared handle")); |
| |
| DAWN_TRY(ValidateD3D12TextureCanBeWrapped(d3d12Resource.Get(), descriptor)); |
| |
| ComPtr<IDXGIKeyedMutex> dxgiKeyedMutex; |
| DAWN_TRY_ASSIGN(dxgiKeyedMutex, |
| dawnDevice->CreateKeyedMutexForTexture(d3d12Resource.Get())); |
| |
| DAWN_TRY(CheckHRESULT(dxgiKeyedMutex->AcquireSync(acquireMutexKey, INFINITE), |
| "D3D12 acquiring shared mutex")); |
| |
| mAcquireMutexKey = acquireMutexKey; |
| mDxgiKeyedMutex = std::move(dxgiKeyedMutex); |
| mSwapChainTexture = isSwapChainTexture; |
| |
| AllocationInfo info; |
| info.mMethod = AllocationMethod::kExternal; |
| // When creating the ResourceHeapAllocation, the resource heap is set to nullptr because the |
| // texture is owned externally. The texture's owning entity must remain responsible for |
| // memory management. |
| mResourceAllocation = {info, 0, std::move(d3d12Resource), nullptr}; |
| |
| return {}; |
| } |
| |
| MaybeError Texture::InitializeAsInternalTexture() { |
| D3D12_RESOURCE_DESC resourceDescriptor; |
| resourceDescriptor.Dimension = D3D12TextureDimension(GetDimension()); |
| resourceDescriptor.Alignment = 0; |
| |
| const Extent3D& size = GetSize(); |
| resourceDescriptor.Width = size.width; |
| resourceDescriptor.Height = size.height; |
| resourceDescriptor.DepthOrArraySize = size.depth; |
| |
| // This will need to be much more nuanced when WebGPU has |
| // texture view compatibility rules. |
| bool needsTypelessFormat = GetFormat().format == wgpu::TextureFormat::Depth32Float && |
| (GetUsage() & wgpu::TextureUsage::Sampled) != 0; |
| |
| DXGI_FORMAT dxgiFormat = needsTypelessFormat |
| ? D3D12TypelessTextureFormat(GetFormat().format) |
| : D3D12TextureFormat(GetFormat().format); |
| |
| resourceDescriptor.MipLevels = static_cast<UINT16>(GetNumMipLevels()); |
| resourceDescriptor.Format = dxgiFormat; |
| resourceDescriptor.SampleDesc.Count = GetSampleCount(); |
| // TODO(bryan.bernhart@intel.com): investigate how to specify standard MSAA sample pattern. |
| resourceDescriptor.SampleDesc.Quality = 0; |
| resourceDescriptor.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN; |
| resourceDescriptor.Flags = |
| D3D12ResourceFlags(GetUsage(), GetFormat(), IsMultisampledTexture()); |
| |
| DAWN_TRY_ASSIGN(mResourceAllocation, |
| ToBackend(GetDevice()) |
| ->AllocateMemory(D3D12_HEAP_TYPE_DEFAULT, resourceDescriptor, |
| D3D12_RESOURCE_STATE_COMMON)); |
| |
| Device* device = ToBackend(GetDevice()); |
| |
| if (device->IsToggleEnabled(Toggle::NonzeroClearResourcesOnCreationForTesting)) { |
| CommandRecordingContext* commandContext; |
| DAWN_TRY_ASSIGN(commandContext, device->GetPendingCommandContext()); |
| |
| DAWN_TRY(ClearTexture(commandContext, GetAllSubresources(), |
| TextureBase::ClearValue::NonZero)); |
| } |
| |
| return {}; |
| } |
| |
| Texture::Texture(Device* device, const TextureDescriptor* descriptor, TextureState state) |
| : TextureBase(device, descriptor, state), |
| mSubresourceStateAndDecay( |
| GetSubresourceCount(), |
| {D3D12_RESOURCE_STATES::D3D12_RESOURCE_STATE_COMMON, UINT64_MAX, false}) { |
| } |
| |
| Texture::Texture(Device* device, |
| const TextureDescriptor* descriptor, |
| ComPtr<ID3D12Resource> nativeTexture) |
| : Texture(device, descriptor, TextureState::OwnedExternal) { |
| AllocationInfo info; |
| info.mMethod = AllocationMethod::kExternal; |
| // When creating the ResourceHeapAllocation, the resource heap is set to nullptr because the |
| // texture is owned externally. The texture's owning entity must remain responsible for |
| // memory management. |
| mResourceAllocation = {info, 0, std::move(nativeTexture), nullptr}; |
| |
| SetIsSubresourceContentInitialized(true, GetAllSubresources()); |
| } |
| |
| Texture::~Texture() { |
| DestroyInternal(); |
| } |
| |
| void Texture::DestroyImpl() { |
| Device* device = ToBackend(GetDevice()); |
| |
| // In PIX's D3D12-only mode, there is no way to determine frame boundaries |
| // for WebGPU since Dawn does not manage DXGI swap chains. Without assistance, |
| // PIX will wait forever for a present that never happens. |
| // If we know we're dealing with a swapbuffer texture, inform PIX we've |
| // "presented" the texture so it can determine frame boundaries and use its |
| // contents for the UI. |
| if (mSwapChainTexture) { |
| ID3D12SharingContract* d3dSharingContract = device->GetSharingContract(); |
| if (d3dSharingContract != nullptr) { |
| d3dSharingContract->Present(mResourceAllocation.GetD3D12Resource().Get(), 0, 0); |
| } |
| } |
| |
| device->DeallocateMemory(mResourceAllocation); |
| |
| if (mDxgiKeyedMutex != nullptr) { |
| mDxgiKeyedMutex->ReleaseSync(mAcquireMutexKey + 1); |
| device->ReleaseKeyedMutexForTexture(std::move(mDxgiKeyedMutex)); |
| } |
| } |
| |
| DXGI_FORMAT Texture::GetD3D12Format() const { |
| return D3D12TextureFormat(GetFormat().format); |
| } |
| |
| ID3D12Resource* Texture::GetD3D12Resource() const { |
| return mResourceAllocation.GetD3D12Resource().Get(); |
| } |
| |
| void Texture::TrackUsageAndTransitionNow(CommandRecordingContext* commandContext, |
| wgpu::TextureUsage usage, |
| const SubresourceRange& range) { |
| TrackUsageAndTransitionNow(commandContext, D3D12TextureUsage(usage, GetFormat()), range); |
| } |
| |
| void Texture::TrackAllUsageAndTransitionNow(CommandRecordingContext* commandContext, |
| wgpu::TextureUsage usage) { |
| TrackUsageAndTransitionNow(commandContext, D3D12TextureUsage(usage, GetFormat()), |
| GetAllSubresources()); |
| } |
| |
| void Texture::TrackAllUsageAndTransitionNow(CommandRecordingContext* commandContext, |
| D3D12_RESOURCE_STATES newState) { |
| TrackUsageAndTransitionNow(commandContext, newState, GetAllSubresources()); |
| } |
| |
| void Texture::TrackUsageAndTransitionNow(CommandRecordingContext* commandContext, |
| D3D12_RESOURCE_STATES newState, |
| const SubresourceRange& range) { |
| if (mResourceAllocation.GetInfo().mMethod != AllocationMethod::kExternal) { |
| // Track the underlying heap to ensure residency. |
| Heap* heap = ToBackend(mResourceAllocation.GetResourceHeap()); |
| commandContext->TrackHeapUsage(heap, GetDevice()->GetPendingCommandSerial()); |
| } |
| |
| std::vector<D3D12_RESOURCE_BARRIER> barriers; |
| barriers.reserve(range.levelCount * range.layerCount); |
| |
| TransitionUsageAndGetResourceBarrier(commandContext, &barriers, newState, range); |
| if (barriers.size()) { |
| commandContext->GetCommandList()->ResourceBarrier(barriers.size(), barriers.data()); |
| } |
| } |
| |
| void Texture::TransitionSingleOrAllSubresources(std::vector<D3D12_RESOURCE_BARRIER>* barriers, |
| uint32_t index, |
| D3D12_RESOURCE_STATES newState, |
| const Serial pendingCommandSerial, |
| bool allSubresources) { |
| StateAndDecay* state = &mSubresourceStateAndDecay[index]; |
| // Reuse the subresource(s) directly and avoid transition when it isn't needed, and |
| // return false. |
| // TODO(cwallez@chromium.org): Need some form of UAV barriers at some point. |
| if (state->lastState == newState) { |
| return; |
| } |
| |
| D3D12_RESOURCE_STATES lastState = state->lastState; |
| |
| // The COMMON state represents a state where no write operations can be pending, and |
| // where all pixels are uncompressed. This makes it possible to transition to and |
| // from some states without synchronization (i.e. without an explicit |
| // ResourceBarrier call). Textures can be implicitly promoted to 1) a single write |
| // state, or 2) multiple read states. Textures will implicitly decay to the COMMON |
| // state when all of the following are true: 1) the texture is accessed on a command |
| // list, 2) the ExecuteCommandLists call that uses that command list has ended, and |
| // 3) the texture was promoted implicitly to a read-only state and is still in that |
| // state. |
| // https://docs.microsoft.com/en-us/windows/desktop/direct3d12/using-resource-barriers-to-synchronize-resource-states-in-direct3d-12#implicit-state-transitions |
| |
| // To track implicit decays, we must record the pending serial on which that |
| // transition will occur. When that texture is used again, the previously recorded |
| // serial must be compared to the last completed serial to determine if the texture |
| // has implicity decayed to the common state. |
| if (state->isValidToDecay && pendingCommandSerial > state->lastDecaySerial) { |
| lastState = D3D12_RESOURCE_STATE_COMMON; |
| } |
| |
| // Update the tracked state. |
| state->lastState = newState; |
| |
| // Destination states that qualify for an implicit promotion for a |
| // non-simultaneous-access texture: NON_PIXEL_SHADER_RESOURCE, |
| // PIXEL_SHADER_RESOURCE, COPY_SRC, COPY_DEST. |
| { |
| static constexpr D3D12_RESOURCE_STATES kD3D12PromotableReadOnlyStates = |
| D3D12_RESOURCE_STATE_COPY_SOURCE | D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE | |
| D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE; |
| |
| if (lastState == D3D12_RESOURCE_STATE_COMMON) { |
| if (newState == (newState & kD3D12PromotableReadOnlyStates)) { |
| // Implicit texture state decays can only occur when the texture was implicitly |
| // transitioned to a read-only state. isValidToDecay is needed to differentiate |
| // between resources that were implictly or explicitly transitioned to a |
| // read-only state. |
| state->isValidToDecay = true; |
| state->lastDecaySerial = pendingCommandSerial; |
| return; |
| } else if (newState == D3D12_RESOURCE_STATE_COPY_DEST) { |
| state->isValidToDecay = false; |
| return; |
| } |
| } |
| } |
| |
| D3D12_RESOURCE_BARRIER barrier; |
| barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION; |
| barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE; |
| barrier.Transition.pResource = GetD3D12Resource(); |
| barrier.Transition.StateBefore = lastState; |
| barrier.Transition.StateAfter = newState; |
| barrier.Transition.Subresource = |
| allSubresources ? D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES : index; |
| barriers->push_back(barrier); |
| // TODO(yunchao.he@intel.com): support subresource for depth/stencil. Depth stencil |
| // texture has different plane slices. While the current implementation only has differernt |
| // mip slices and array slices for subresources. |
| // This is a hack because Dawn doesn't handle subresource of multiplanar resources |
| // correctly. We force the transition to be the same for all planes to match what the |
| // frontend validation checks for. This hack might be incorrect for stencil-only texture |
| // because we always set transition barrier for depth plane. |
| if (!allSubresources && newState == D3D12_RESOURCE_STATE_DEPTH_WRITE && |
| GetFormat().HasStencil()) { |
| D3D12_RESOURCE_BARRIER barrierStencil = barrier; |
| barrierStencil.Transition.Subresource += GetArrayLayers() * GetNumMipLevels(); |
| barriers->push_back(barrierStencil); |
| } |
| |
| state->isValidToDecay = false; |
| } |
| |
| void Texture::HandleTransitionSpecialCases(CommandRecordingContext* commandContext) { |
| // Textures with keyed mutexes can be written from other graphics queues. Hence, they |
| // must be acquired before command list submission to ensure work from the other queues |
| // has finished. See Device::ExecuteCommandContext. |
| if (mDxgiKeyedMutex != nullptr) { |
| commandContext->AddToSharedTextureList(this); |
| } |
| } |
| |
| void Texture::TransitionUsageAndGetResourceBarrier( |
| CommandRecordingContext* commandContext, |
| std::vector<D3D12_RESOURCE_BARRIER>* barriers, |
| D3D12_RESOURCE_STATES newState, |
| const SubresourceRange& range) { |
| HandleTransitionSpecialCases(commandContext); |
| |
| const Serial pendingCommandSerial = ToBackend(GetDevice())->GetPendingCommandSerial(); |
| uint32_t subresourceCount = GetSubresourceCount(); |
| |
| // This transitions assume it is a 2D texture |
| ASSERT(GetDimension() == wgpu::TextureDimension::e2D); |
| |
| // If the usages transitions can cover all subresources, and old usages of all subresources |
| // are the same, then we can use one barrier to do state transition for all subresources. |
| // Note that if the texture has only one mip level and one array slice, it will fall into |
| // this category. |
| bool areAllSubresourcesCovered = range.levelCount * range.layerCount == subresourceCount; |
| if (mSameLastUsagesAcrossSubresources && areAllSubresourcesCovered) { |
| TransitionSingleOrAllSubresources(barriers, 0, newState, pendingCommandSerial, true); |
| |
| // TODO(yunchao.he@intel.com): compress and decompress if all subresources have the |
| // same states. We may need to retain mSubresourceStateAndDecay[0] only. |
| for (uint32_t i = 1; i < subresourceCount; ++i) { |
| mSubresourceStateAndDecay[i] = mSubresourceStateAndDecay[0]; |
| } |
| |
| return; |
| } |
| for (uint32_t arrayLayer = 0; arrayLayer < range.layerCount; ++arrayLayer) { |
| for (uint32_t mipLevel = 0; mipLevel < range.levelCount; ++mipLevel) { |
| uint32_t index = GetSubresourceIndex(range.baseMipLevel + mipLevel, |
| range.baseArrayLayer + arrayLayer); |
| |
| TransitionSingleOrAllSubresources(barriers, index, newState, pendingCommandSerial, |
| false); |
| } |
| } |
| mSameLastUsagesAcrossSubresources = areAllSubresourcesCovered; |
| } |
| |
| void Texture::TrackUsageAndGetResourceBarrierForPass( |
| CommandRecordingContext* commandContext, |
| std::vector<D3D12_RESOURCE_BARRIER>* barriers, |
| const PassTextureUsage& textureUsages) { |
| HandleTransitionSpecialCases(commandContext); |
| |
| const Serial pendingCommandSerial = ToBackend(GetDevice())->GetPendingCommandSerial(); |
| uint32_t subresourceCount = GetSubresourceCount(); |
| ASSERT(textureUsages.subresourceUsages.size() == subresourceCount); |
| // This transitions assume it is a 2D texture |
| ASSERT(GetDimension() == wgpu::TextureDimension::e2D); |
| |
| // If new usages of all subresources are the same and old usages of all subresources are |
| // the same too, we can use one barrier to do state transition for all subresources. |
| // Note that if the texture has only one mip level and one array slice, it will fall into |
| // this category. |
| if (textureUsages.sameUsagesAcrossSubresources && mSameLastUsagesAcrossSubresources) { |
| D3D12_RESOURCE_STATES newState = D3D12TextureUsage(textureUsages.usage, GetFormat()); |
| TransitionSingleOrAllSubresources(barriers, 0, newState, pendingCommandSerial, true); |
| |
| // TODO(yunchao.he@intel.com): compress and decompress if all subresources have the |
| // same states. We may need to retain mSubresourceStateAndDecay[0] only. |
| for (uint32_t i = 1; i < subresourceCount; ++i) { |
| mSubresourceStateAndDecay[i] = mSubresourceStateAndDecay[0]; |
| } |
| |
| return; |
| } |
| |
| for (uint32_t arrayLayer = 0; arrayLayer < GetArrayLayers(); ++arrayLayer) { |
| for (uint32_t mipLevel = 0; mipLevel < GetNumMipLevels(); ++mipLevel) { |
| uint32_t index = GetSubresourceIndex(mipLevel, arrayLayer); |
| |
| // Skip if this subresource is not used during the current pass |
| if (textureUsages.subresourceUsages[index] == wgpu::TextureUsage::None) { |
| continue; |
| } |
| |
| D3D12_RESOURCE_STATES newState = |
| D3D12TextureUsage(textureUsages.subresourceUsages[index], GetFormat()); |
| |
| TransitionSingleOrAllSubresources(barriers, index, newState, pendingCommandSerial, |
| false); |
| } |
| } |
| mSameLastUsagesAcrossSubresources = textureUsages.sameUsagesAcrossSubresources; |
| } |
| |
| D3D12_RENDER_TARGET_VIEW_DESC Texture::GetRTVDescriptor(uint32_t mipLevel, |
| uint32_t baseArrayLayer, |
| uint32_t layerCount) const { |
| ASSERT(GetDimension() == wgpu::TextureDimension::e2D); |
| D3D12_RENDER_TARGET_VIEW_DESC rtvDesc; |
| rtvDesc.Format = GetD3D12Format(); |
| if (IsMultisampledTexture()) { |
| ASSERT(GetNumMipLevels() == 1); |
| ASSERT(layerCount == 1); |
| ASSERT(baseArrayLayer == 0); |
| ASSERT(mipLevel == 0); |
| rtvDesc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE2DMS; |
| } else { |
| // Currently we always use D3D12_TEX2D_ARRAY_RTV because we cannot specify base array |
| // layer and layer count in D3D12_TEX2D_RTV. For 2D texture views, we treat them as |
| // 1-layer 2D array textures. (Just like how we treat SRVs) |
| // https://docs.microsoft.com/en-us/windows/desktop/api/d3d12/ns-d3d12-d3d12_tex2d_rtv |
| // https://docs.microsoft.com/en-us/windows/desktop/api/d3d12/ns-d3d12-d3d12_tex2d_array |
| // _rtv |
| rtvDesc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE2DARRAY; |
| rtvDesc.Texture2DArray.FirstArraySlice = baseArrayLayer; |
| rtvDesc.Texture2DArray.ArraySize = layerCount; |
| rtvDesc.Texture2DArray.MipSlice = mipLevel; |
| rtvDesc.Texture2DArray.PlaneSlice = 0; |
| } |
| return rtvDesc; |
| } |
| |
| D3D12_DEPTH_STENCIL_VIEW_DESC Texture::GetDSVDescriptor(uint32_t mipLevel, |
| uint32_t baseArrayLayer, |
| uint32_t layerCount) const { |
| D3D12_DEPTH_STENCIL_VIEW_DESC dsvDesc; |
| dsvDesc.Format = GetD3D12Format(); |
| dsvDesc.Flags = D3D12_DSV_FLAG_NONE; |
| |
| if (IsMultisampledTexture()) { |
| ASSERT(GetNumMipLevels() == 1); |
| ASSERT(layerCount == 1); |
| ASSERT(baseArrayLayer == 0); |
| ASSERT(mipLevel == 0); |
| dsvDesc.ViewDimension = D3D12_DSV_DIMENSION_TEXTURE2DMS; |
| } else { |
| dsvDesc.ViewDimension = D3D12_DSV_DIMENSION_TEXTURE2DARRAY; |
| dsvDesc.Texture2DArray.FirstArraySlice = baseArrayLayer; |
| dsvDesc.Texture2DArray.ArraySize = layerCount; |
| dsvDesc.Texture2DArray.MipSlice = mipLevel; |
| } |
| |
| return dsvDesc; |
| } |
| |
| MaybeError Texture::ClearTexture(CommandRecordingContext* commandContext, |
| const SubresourceRange& range, |
| TextureBase::ClearValue clearValue) { |
| // TODO(jiawei.shao@intel.com): initialize the textures in compressed formats with copies. |
| if (GetFormat().isCompressed) { |
| SetIsSubresourceContentInitialized(true, range); |
| return {}; |
| } |
| |
| ID3D12GraphicsCommandList* commandList = commandContext->GetCommandList(); |
| |
| Device* device = ToBackend(GetDevice()); |
| |
| uint8_t clearColor = (clearValue == TextureBase::ClearValue::Zero) ? 0 : 1; |
| float fClearColor = (clearValue == TextureBase::ClearValue::Zero) ? 0.f : 1.f; |
| |
| if (GetFormat().isRenderable) { |
| if (GetFormat().HasDepthOrStencil()) { |
| TrackUsageAndTransitionNow(commandContext, D3D12_RESOURCE_STATE_DEPTH_WRITE, range); |
| |
| D3D12_CLEAR_FLAGS clearFlags = {}; |
| |
| for (uint32_t level = range.baseMipLevel; |
| level < range.baseMipLevel + range.levelCount; ++level) { |
| for (uint32_t layer = range.baseArrayLayer; |
| layer < range.baseArrayLayer + range.layerCount; ++layer) { |
| if (clearValue == TextureBase::ClearValue::Zero && |
| IsSubresourceContentInitialized( |
| SubresourceRange::SingleSubresource(level, layer))) { |
| // Skip lazy clears if already initialized. |
| continue; |
| } |
| |
| CPUDescriptorHeapAllocation dsvHandle; |
| DAWN_TRY_ASSIGN(dsvHandle, device->GetDepthStencilViewAllocator() |
| ->AllocateTransientCPUDescriptors()); |
| const D3D12_CPU_DESCRIPTOR_HANDLE baseDescriptor = |
| dsvHandle.GetBaseDescriptor(); |
| D3D12_DEPTH_STENCIL_VIEW_DESC dsvDesc = GetDSVDescriptor(level, layer, 1); |
| device->GetD3D12Device()->CreateDepthStencilView(GetD3D12Resource(), |
| &dsvDesc, baseDescriptor); |
| |
| if (GetFormat().HasDepth()) { |
| clearFlags |= D3D12_CLEAR_FLAG_DEPTH; |
| } |
| if (GetFormat().HasStencil()) { |
| clearFlags |= D3D12_CLEAR_FLAG_STENCIL; |
| } |
| |
| commandList->ClearDepthStencilView(baseDescriptor, clearFlags, fClearColor, |
| clearColor, 0, nullptr); |
| } |
| } |
| } else { |
| TrackUsageAndTransitionNow(commandContext, D3D12_RESOURCE_STATE_RENDER_TARGET, |
| range); |
| |
| const float clearColorRGBA[4] = {fClearColor, fClearColor, fClearColor, |
| fClearColor}; |
| |
| for (uint32_t level = range.baseMipLevel; |
| level < range.baseMipLevel + range.levelCount; ++level) { |
| for (uint32_t layer = range.baseArrayLayer; |
| layer < range.baseArrayLayer + range.layerCount; ++layer) { |
| if (clearValue == TextureBase::ClearValue::Zero && |
| IsSubresourceContentInitialized( |
| SubresourceRange::SingleSubresource(level, layer))) { |
| // Skip lazy clears if already initialized. |
| continue; |
| } |
| |
| CPUDescriptorHeapAllocation rtvHeap; |
| DAWN_TRY_ASSIGN(rtvHeap, device->GetRenderTargetViewAllocator() |
| ->AllocateTransientCPUDescriptors()); |
| const D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = rtvHeap.GetBaseDescriptor(); |
| |
| D3D12_RENDER_TARGET_VIEW_DESC rtvDesc = GetRTVDescriptor(level, layer, 1); |
| device->GetD3D12Device()->CreateRenderTargetView(GetD3D12Resource(), |
| &rtvDesc, rtvHandle); |
| commandList->ClearRenderTargetView(rtvHandle, clearColorRGBA, 0, nullptr); |
| } |
| } |
| } |
| } else { |
| // TODO(natlee@microsoft.com): test compressed textures are cleared |
| // create temp buffer with clear color to copy to the texture image |
| uint32_t bytesPerRow = |
| Align((GetWidth() / GetFormat().blockWidth) * GetFormat().blockByteSize, |
| kTextureBytesPerRowAlignment); |
| uint64_t bufferSize64 = bytesPerRow * (GetHeight() / GetFormat().blockHeight); |
| if (bufferSize64 > std::numeric_limits<uint32_t>::max()) { |
| return DAWN_OUT_OF_MEMORY_ERROR("Unable to allocate buffer."); |
| } |
| uint32_t bufferSize = static_cast<uint32_t>(bufferSize64); |
| DynamicUploader* uploader = device->GetDynamicUploader(); |
| UploadHandle uploadHandle; |
| DAWN_TRY_ASSIGN(uploadHandle, |
| uploader->Allocate(bufferSize, device->GetPendingCommandSerial())); |
| memset(uploadHandle.mappedBuffer, clearColor, bufferSize); |
| |
| TrackUsageAndTransitionNow(commandContext, D3D12_RESOURCE_STATE_COPY_DEST, range); |
| |
| for (uint32_t level = range.baseMipLevel; level < range.baseMipLevel + range.levelCount; |
| ++level) { |
| // compute d3d12 texture copy locations for texture and buffer |
| Extent3D copySize = GetMipLevelVirtualSize(level); |
| |
| uint32_t rowsPerImage = GetHeight(); |
| TextureCopySplit copySplit = |
| ComputeTextureCopySplit({0, 0, 0}, copySize, GetFormat(), |
| uploadHandle.startOffset, bytesPerRow, rowsPerImage); |
| |
| for (uint32_t layer = range.baseArrayLayer; |
| layer < range.baseArrayLayer + range.layerCount; ++layer) { |
| if (clearValue == TextureBase::ClearValue::Zero && |
| IsSubresourceContentInitialized( |
| SubresourceRange::SingleSubresource(level, layer))) { |
| // Skip lazy clears if already initialized. |
| continue; |
| } |
| |
| D3D12_TEXTURE_COPY_LOCATION textureLocation = |
| ComputeTextureCopyLocationForTexture(this, level, layer); |
| for (uint32_t i = 0; i < copySplit.count; ++i) { |
| TextureCopySplit::CopyInfo& info = copySplit.copies[i]; |
| |
| D3D12_TEXTURE_COPY_LOCATION bufferLocation = |
| ComputeBufferLocationForCopyTextureRegion( |
| this, ToBackend(uploadHandle.stagingBuffer)->GetResource(), |
| info.bufferSize, copySplit.offset, bytesPerRow); |
| D3D12_BOX sourceRegion = |
| ComputeD3D12BoxFromOffsetAndSize(info.bufferOffset, info.copySize); |
| |
| // copy the buffer filled with clear color to the texture |
| commandList->CopyTextureRegion(&textureLocation, info.textureOffset.x, |
| info.textureOffset.y, info.textureOffset.z, |
| &bufferLocation, &sourceRegion); |
| } |
| } |
| } |
| } |
| if (clearValue == TextureBase::ClearValue::Zero) { |
| SetIsSubresourceContentInitialized(true, range); |
| GetDevice()->IncrementLazyClearCountForTesting(); |
| } |
| return {}; |
| } |
| |
| void Texture::EnsureSubresourceContentInitialized(CommandRecordingContext* commandContext, |
| const SubresourceRange& range) { |
| if (!ToBackend(GetDevice())->IsToggleEnabled(Toggle::LazyClearResourceOnFirstUse)) { |
| return; |
| } |
| if (!IsSubresourceContentInitialized(range)) { |
| // If subresource has not been initialized, clear it to black as it could contain |
| // dirty bits from recycled memory |
| GetDevice()->ConsumedError( |
| ClearTexture(commandContext, range, TextureBase::ClearValue::Zero)); |
| } |
| } |
| |
| TextureView::TextureView(TextureBase* texture, const TextureViewDescriptor* descriptor) |
| : TextureViewBase(texture, descriptor) { |
| mSrvDesc.Format = D3D12TextureFormat(descriptor->format); |
| if (descriptor->format == wgpu::TextureFormat::Depth32Float) { |
| // TODO(enga): This will need to be much more nuanced when WebGPU has |
| // texture view compatibility rules. |
| mSrvDesc.Format = DXGI_FORMAT_R32_FLOAT; |
| } |
| mSrvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING; |
| |
| // Currently we always use D3D12_TEX2D_ARRAY_SRV because we cannot specify base array layer |
| // and layer count in D3D12_TEX2D_SRV. For 2D texture views, we treat them as 1-layer 2D |
| // array textures. |
| // https://docs.microsoft.com/en-us/windows/desktop/api/d3d12/ns-d3d12-d3d12_tex2d_srv |
| // https://docs.microsoft.com/en-us/windows/desktop/api/d3d12/ns-d3d12-d3d12_tex2d_array_srv |
| // TODO(jiawei.shao@intel.com): support more texture view dimensions. |
| // TODO(jiawei.shao@intel.com): support creating SRV on multisampled textures. |
| switch (descriptor->dimension) { |
| case wgpu::TextureViewDimension::e2D: |
| case wgpu::TextureViewDimension::e2DArray: |
| ASSERT(texture->GetDimension() == wgpu::TextureDimension::e2D); |
| mSrvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2DARRAY; |
| mSrvDesc.Texture2DArray.ArraySize = descriptor->arrayLayerCount; |
| mSrvDesc.Texture2DArray.FirstArraySlice = descriptor->baseArrayLayer; |
| mSrvDesc.Texture2DArray.MipLevels = descriptor->mipLevelCount; |
| mSrvDesc.Texture2DArray.MostDetailedMip = descriptor->baseMipLevel; |
| mSrvDesc.Texture2DArray.PlaneSlice = 0; |
| mSrvDesc.Texture2DArray.ResourceMinLODClamp = 0; |
| break; |
| case wgpu::TextureViewDimension::Cube: |
| case wgpu::TextureViewDimension::CubeArray: |
| ASSERT(texture->GetDimension() == wgpu::TextureDimension::e2D); |
| ASSERT(descriptor->arrayLayerCount % 6 == 0); |
| mSrvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURECUBEARRAY; |
| mSrvDesc.TextureCubeArray.First2DArrayFace = descriptor->baseArrayLayer; |
| mSrvDesc.TextureCubeArray.NumCubes = descriptor->arrayLayerCount / 6; |
| mSrvDesc.TextureCubeArray.MostDetailedMip = descriptor->baseMipLevel; |
| mSrvDesc.TextureCubeArray.MipLevels = descriptor->mipLevelCount; |
| mSrvDesc.TextureCubeArray.ResourceMinLODClamp = 0; |
| break; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| |
| DXGI_FORMAT TextureView::GetD3D12Format() const { |
| return D3D12TextureFormat(GetFormat().format); |
| } |
| |
| const D3D12_SHADER_RESOURCE_VIEW_DESC& TextureView::GetSRVDescriptor() const { |
| return mSrvDesc; |
| } |
| |
| D3D12_RENDER_TARGET_VIEW_DESC TextureView::GetRTVDescriptor() const { |
| return ToBackend(GetTexture()) |
| ->GetRTVDescriptor(GetBaseMipLevel(), GetBaseArrayLayer(), GetLayerCount()); |
| } |
| |
| D3D12_DEPTH_STENCIL_VIEW_DESC TextureView::GetDSVDescriptor() const { |
| ASSERT(GetLevelCount() == 1); |
| return ToBackend(GetTexture()) |
| ->GetDSVDescriptor(GetBaseMipLevel(), GetBaseArrayLayer(), GetLayerCount()); |
| } |
| |
| D3D12_UNORDERED_ACCESS_VIEW_DESC TextureView::GetUAVDescriptor() const { |
| D3D12_UNORDERED_ACCESS_VIEW_DESC uavDesc; |
| uavDesc.Format = GetD3D12Format(); |
| |
| ASSERT(!GetTexture()->IsMultisampledTexture()); |
| uavDesc.ViewDimension = D3D12_UAV_DIMENSION_TEXTURE2DARRAY; |
| uavDesc.Texture2DArray.FirstArraySlice = GetBaseArrayLayer(); |
| uavDesc.Texture2DArray.ArraySize = GetLayerCount(); |
| uavDesc.Texture2DArray.MipSlice = GetBaseMipLevel(); |
| uavDesc.Texture2DArray.PlaneSlice = 0; |
| return uavDesc; |
| } |
| |
| }} // namespace dawn_native::d3d12 |
