| // Copyright 2017 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "dawn/native/d3d12/TextureD3D12.h" |
| |
| #include <algorithm> |
| #include <utility> |
| |
| #include "absl/numeric/bits.h" |
| #include "dawn/common/Constants.h" |
| #include "dawn/common/Math.h" |
| #include "dawn/native/DynamicUploader.h" |
| #include "dawn/native/EnumMaskIterator.h" |
| #include "dawn/native/Error.h" |
| #include "dawn/native/IntegerTypes.h" |
| #include "dawn/native/ResourceMemoryAllocation.h" |
| #include "dawn/native/ToBackend.h" |
| #include "dawn/native/d3d/D3DError.h" |
| #include "dawn/native/d3d12/BufferD3D12.h" |
| #include "dawn/native/d3d12/CommandRecordingContext.h" |
| #include "dawn/native/d3d12/DeviceD3D12.h" |
| #include "dawn/native/d3d12/Forward.h" |
| #include "dawn/native/d3d12/HeapD3D12.h" |
| #include "dawn/native/d3d12/ResourceAllocatorManagerD3D12.h" |
| #include "dawn/native/d3d12/SharedFenceD3D12.h" |
| #include "dawn/native/d3d12/SharedTextureMemoryD3D12.h" |
| #include "dawn/native/d3d12/StagingDescriptorAllocatorD3D12.h" |
| #include "dawn/native/d3d12/TextureCopySplitter.h" |
| #include "dawn/native/d3d12/UtilsD3D12.h" |
| |
| namespace dawn::native::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. |
| DAWN_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::TextureBinding | kReadOnlyStorageTexture)) { |
| resourceState |= D3D12_RESOURCE_STATE_ALL_SHADER_RESOURCE; |
| } |
| if (usage & (wgpu::TextureUsage::StorageBinding | kWriteOnlyStorageTexture)) { |
| resourceState |= D3D12_RESOURCE_STATE_UNORDERED_ACCESS; |
| } |
| if (usage & wgpu::TextureUsage::RenderAttachment) { |
| if (format.HasDepthOrStencil()) { |
| resourceState |= D3D12_RESOURCE_STATE_DEPTH_WRITE; |
| } else { |
| resourceState |= D3D12_RESOURCE_STATE_RENDER_TARGET; |
| } |
| } |
| |
| if (usage & kReadOnlyRenderAttachment) { |
| // There is no STENCIL_READ state. Readonly for stencil is bundled with DEPTH_READ. |
| resourceState |= D3D12_RESOURCE_STATE_DEPTH_READ; |
| } |
| |
| return resourceState; |
| } |
| |
| D3D12_RESOURCE_FLAGS D3D12ResourceFlags(wgpu::TextureUsage usage, const Format& format) { |
| D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE; |
| |
| if (usage & wgpu::TextureUsage::StorageBinding) { |
| flags |= D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS; |
| } |
| |
| if (usage & wgpu::TextureUsage::RenderAttachment) { |
| if (format.HasDepthOrStencil()) { |
| flags |= D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL; |
| } else { |
| flags |= D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET; |
| } |
| } |
| |
| DAWN_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::e1D: |
| return D3D12_RESOURCE_DIMENSION_TEXTURE1D; |
| case wgpu::TextureDimension::e2D: |
| return D3D12_RESOURCE_DIMENSION_TEXTURE2D; |
| case wgpu::TextureDimension::e3D: |
| return D3D12_RESOURCE_DIMENSION_TEXTURE3D; |
| } |
| } |
| |
| } // namespace |
| |
| MaybeError ValidateTextureCanBeWrapped(ID3D12Resource* d3d12Resource, |
| const Unpacked<TextureDescriptor>& dawnDescriptor) { |
| const D3D12_RESOURCE_DESC d3dDescriptor = d3d12Resource->GetDesc(); |
| DAWN_INVALID_IF( |
| (dawnDescriptor->size.width != d3dDescriptor.Width) || |
| (dawnDescriptor->size.height != d3dDescriptor.Height) || |
| (dawnDescriptor->size.depthOrArrayLayers != 1), |
| "D3D12 texture size (Width: %u, Height: %u, DepthOrArraySize: 1) doesn't match Dawn " |
| "descriptor size (width: %u, height: %u, depthOrArrayLayers: %u).", |
| d3dDescriptor.Width, d3dDescriptor.Height, dawnDescriptor->size.width, |
| dawnDescriptor->size.height, dawnDescriptor->size.depthOrArrayLayers); |
| |
| const DXGI_FORMAT dxgiFormatFromDescriptor = d3d::DXGITextureFormat(dawnDescriptor->format); |
| DAWN_INVALID_IF(dxgiFormatFromDescriptor != d3dDescriptor.Format, |
| "D3D12 texture format (%x) is not compatible with Dawn descriptor format (%s).", |
| d3dDescriptor.Format, dawnDescriptor->format); |
| |
| DAWN_INVALID_IF(d3dDescriptor.MipLevels != 1, |
| "D3D12 texture number of miplevels (%u) is not 1.", d3dDescriptor.MipLevels); |
| |
| DAWN_INVALID_IF(d3dDescriptor.DepthOrArraySize != 1, "D3D12 texture array size (%u) is not 1.", |
| d3dDescriptor.DepthOrArraySize); |
| |
| // Shared textures cannot be multi-sample so no need to check those. |
| DAWN_ASSERT(d3dDescriptor.SampleDesc.Count == 1); |
| DAWN_ASSERT(d3dDescriptor.SampleDesc.Quality == 0); |
| |
| return {}; |
| } |
| |
| // https://docs.microsoft.com/en-us/windows/win32/api/d3d12/ne-d3d12-d3d12_shared_resource_compatibility_tier |
| MaybeError ValidateVideoTextureCanBeShared(Device* device, DXGI_FORMAT textureFormat) { |
| const bool supportsSharedResourceCapabilityTier1 = |
| device->GetDeviceInfo().supportsSharedResourceCapabilityTier1; |
| switch (textureFormat) { |
| // MSDN docs are not correct, NV12 requires at-least tier 1. |
| case DXGI_FORMAT_NV12: |
| if (supportsSharedResourceCapabilityTier1) { |
| return {}; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return DAWN_VALIDATION_ERROR("DXGI format does not support cross-API sharing."); |
| } |
| |
| // static |
| ResultOrError<Ref<Texture>> Texture::Create(Device* device, |
| const Unpacked<TextureDescriptor>& descriptor) { |
| Ref<Texture> dawnTexture = AcquireRef(new Texture(device, descriptor)); |
| |
| DAWN_INVALID_IF(dawnTexture->GetFormat().IsMultiPlanar(), |
| "Cannot create a multi-planar formatted texture directly"); |
| |
| DAWN_TRY(dawnTexture->InitializeAsInternalTexture()); |
| return std::move(dawnTexture); |
| } |
| |
| // static |
| ResultOrError<Ref<Texture>> Texture::CreateExternalImage( |
| Device* device, |
| const Unpacked<TextureDescriptor>& descriptor, |
| ComPtr<IUnknown> d3dTexture, |
| std::vector<Ref<d3d::Fence>> waitFences, |
| bool isSwapChainTexture, |
| bool isInitialized) { |
| Ref<Texture> dawnTexture = AcquireRef(new Texture(device, descriptor)); |
| DAWN_TRY(dawnTexture->InitializeAsExternalTexture(std::move(d3dTexture), std::move(waitFences), |
| isSwapChainTexture)); |
| |
| // Importing a multi-planar format must be initialized. This is required because |
| // a shared multi-planar format cannot be initialized by Dawn. |
| DAWN_INVALID_IF( |
| !isInitialized && dawnTexture->GetFormat().IsMultiPlanar(), |
| "Cannot create a texture with a multi-planar format (%s) with uninitialized data.", |
| dawnTexture->GetFormat().format); |
| |
| dawnTexture->SetIsSubresourceContentInitialized(isInitialized, |
| dawnTexture->GetAllSubresources()); |
| return std::move(dawnTexture); |
| } |
| |
| // static |
| ResultOrError<Ref<Texture>> Texture::Create(Device* device, |
| const Unpacked<TextureDescriptor>& descriptor, |
| ComPtr<ID3D12Resource> d3d12Texture) { |
| Ref<Texture> dawnTexture = AcquireRef(new Texture(device, descriptor)); |
| DAWN_TRY(dawnTexture->InitializeAsSwapChainTexture(std::move(d3d12Texture))); |
| return std::move(dawnTexture); |
| } |
| |
| // static |
| ResultOrError<Ref<Texture>> Texture::CreateFromSharedTextureMemory( |
| SharedTextureMemory* memory, |
| const Unpacked<TextureDescriptor>& descriptor) { |
| Device* device = ToBackend(memory->GetDevice()); |
| Ref<Texture> texture = AcquireRef(new Texture(device, descriptor)); |
| DAWN_TRY(texture->InitializeAsExternalTexture(memory->GetD3DResource(), {}, false)); |
| texture->mSharedTextureMemoryContents = memory->GetContents(); |
| return texture; |
| } |
| |
| MaybeError Texture::InitializeAsExternalTexture(ComPtr<IUnknown> d3dTexture, |
| std::vector<Ref<d3d::Fence>> waitFences, |
| bool isSwapChainTexture) { |
| ComPtr<ID3D12Resource> d3d12Texture; |
| DAWN_TRY(CheckHRESULT(d3dTexture.As(&d3d12Texture), "texture is not a valid ID3D12Resource")); |
| |
| D3D12_RESOURCE_DESC desc = d3d12Texture->GetDesc(); |
| mD3D12ResourceFlags = desc.Flags; |
| DAWN_ASSERT(mD3D12ResourceFlags & D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS); |
| |
| 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(d3d12Texture), nullptr}; |
| |
| mWaitFences = std::move(waitFences); |
| mSwapChainTexture = isSwapChainTexture; |
| |
| SetLabelHelper("Dawn_ExternalTexture"); |
| |
| return {}; |
| } |
| |
| MaybeError Texture::InitializeAsInternalTexture() { |
| D3D12_RESOURCE_DESC resourceDescriptor; |
| resourceDescriptor.Dimension = D3D12TextureDimension(GetDimension()); |
| resourceDescriptor.Alignment = 0; |
| |
| const Extent3D& size = GetBaseSize(); |
| resourceDescriptor.Width = size.width; |
| resourceDescriptor.Height = size.height; |
| resourceDescriptor.DepthOrArraySize = size.depthOrArrayLayers; |
| |
| Device* device = ToBackend(GetDevice()); |
| // When the depth stencil texture is created on a not-zeroed heap, its first usage will also be |
| // copy destination when it is initialized with a non-zero value, which also triggered the issue |
| // about copying data into a placed depth stencil texture with a dirty memory, so in this |
| // situation the workaround should also be enabled. |
| bool applyForceClearCopyableDepthStencilTextureOnCreationToggle = |
| device->IsToggleEnabled(Toggle::D3D12ForceClearCopyableDepthStencilTextureOnCreation) && |
| GetFormat().HasDepthOrStencil() && |
| ((GetInternalUsage() & wgpu::TextureUsage::CopyDst) || |
| (device->IsToggleEnabled(Toggle::NonzeroClearResourcesOnCreationForTesting) && |
| device->IsToggleEnabled(Toggle::D3D12CreateNotZeroedHeap))); |
| if (applyForceClearCopyableDepthStencilTextureOnCreationToggle) { |
| AddInternalUsage(wgpu::TextureUsage::RenderAttachment); |
| } |
| |
| // This will need to be much more nuanced when WebGPU has |
| // texture view compatibility rules. |
| const bool needsTypelessFormat = |
| (GetDevice()->IsToggleEnabled(Toggle::D3D12AlwaysUseTypelessFormatsForCastableTexture) && |
| GetViewFormats().any()) || |
| (GetFormat().HasDepthOrStencil() && |
| (GetInternalUsage() & wgpu::TextureUsage::TextureBinding) != 0); |
| |
| DXGI_FORMAT dxgiFormat = needsTypelessFormat |
| ? d3d::DXGITypelessTextureFormat(GetFormat().format) |
| : d3d::DXGITextureFormat(GetFormat().format); |
| |
| resourceDescriptor.MipLevels = static_cast<UINT16>(GetNumMipLevels()); |
| resourceDescriptor.Format = dxgiFormat; |
| resourceDescriptor.SampleDesc.Count = GetSampleCount(); |
| resourceDescriptor.SampleDesc.Quality = 0; |
| resourceDescriptor.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN; |
| resourceDescriptor.Flags = D3D12ResourceFlags(GetInternalUsage(), GetFormat()); |
| mD3D12ResourceFlags = resourceDescriptor.Flags; |
| |
| uint32_t bytesPerBlock = 0; |
| if (GetFormat().IsColor()) { |
| bytesPerBlock = GetFormat().GetAspectInfo(wgpu::TextureAspect::All).block.byteSize; |
| } |
| bool forceAllocateAsCommittedResource = |
| (device->IsToggleEnabled( |
| Toggle::DisableSubAllocationFor2DTextureWithCopyDstOrRenderAttachment)) && |
| GetDimension() == wgpu::TextureDimension::e2D && |
| (GetInternalUsage() & (wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::RenderAttachment)); |
| DAWN_TRY_ASSIGN(mResourceAllocation, |
| device->AllocateMemory(D3D12_HEAP_TYPE_DEFAULT, resourceDescriptor, |
| D3D12_RESOURCE_STATE_COMMON, bytesPerBlock, |
| forceAllocateAsCommittedResource)); |
| |
| SetLabelImpl(); |
| |
| if (applyForceClearCopyableDepthStencilTextureOnCreationToggle || |
| device->IsToggleEnabled(Toggle::NonzeroClearResourcesOnCreationForTesting)) { |
| CommandRecordingContext* commandContext; |
| DAWN_TRY_ASSIGN(commandContext, device->GetPendingCommandContext()); |
| ClearValue clearValue = |
| device->IsToggleEnabled(Toggle::NonzeroClearResourcesOnCreationForTesting) |
| ? ClearValue::NonZero |
| : ClearValue::Zero; |
| DAWN_TRY(ClearTexture(commandContext, GetAllSubresources(), clearValue)); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError Texture::InitializeAsSwapChainTexture(ComPtr<ID3D12Resource> d3d12Texture) { |
| AllocationInfo info; |
| info.mMethod = AllocationMethod::kExternal; |
| |
| D3D12_RESOURCE_DESC desc = d3d12Texture->GetDesc(); |
| mD3D12ResourceFlags = desc.Flags; |
| |
| // 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(d3d12Texture), nullptr}; |
| |
| SetLabelHelper("Dawn_SwapChainTexture"); |
| |
| return {}; |
| } |
| |
| Texture::Texture(Device* device, const Unpacked<TextureDescriptor>& descriptor) |
| : Base(device, descriptor), mSubresourceStateAndDecay(InitialSubresourceStateAndDecay()) {} |
| |
| Texture::~Texture() = default; |
| |
| void Texture::DestroyImpl() { |
| TextureBase::DestroyImpl(); |
| ToBackend(GetDevice())->DeallocateMemory(mResourceAllocation); |
| // Set mSwapChainTexture to false to prevent ever calling ID3D12SharingContract::Present again. |
| mSwapChainTexture = false; |
| } |
| |
| ResultOrError<ExecutionSerial> Texture::EndAccess() { |
| DAWN_ASSERT(mD3D12ResourceFlags & D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS); |
| |
| Device* device = ToBackend(GetDevice()); |
| // Synchronize if texture access wasn't synchronized already due to ExecuteCommandLists. |
| if (!mSignalFenceValue.has_value()) { |
| // Needed to ensure that command allocator doesn't get destroyed before pending commands |
| // are submitted due to calling NextSerial(). No-op if there are no pending commands. |
| DAWN_TRY(device->ExecutePendingCommandContext()); |
| // If there were pending commands that used this texture mSignalFenceValue will be set, |
| // but if it's still not set, generate a signal fence after waiting on wait fences. |
| if (!mSignalFenceValue.has_value()) { |
| DAWN_TRY(SynchronizeImportedTextureBeforeUse()); |
| DAWN_TRY(SynchronizeImportedTextureAfterUse()); |
| } |
| DAWN_TRY(device->NextSerial()); |
| DAWN_ASSERT(mSignalFenceValue.has_value()); |
| } |
| ExecutionSerial ret = mSignalFenceValue.value(); |
| DAWN_ASSERT(ret <= device->GetLastSubmittedCommandSerial()); |
| // Explicitly call reset() since std::move() on optional doesn't make it std::nullopt. |
| mSignalFenceValue.reset(); |
| return ret; |
| } |
| |
| DXGI_FORMAT Texture::GetD3D12Format() const { |
| return d3d::DXGITextureFormat(GetFormat().format); |
| } |
| |
| ID3D12Resource* Texture::GetD3D12Resource() const { |
| return mResourceAllocation.GetD3D12Resource(); |
| } |
| |
| D3D12_RESOURCE_FLAGS Texture::GetD3D12ResourceFlags() const { |
| return mD3D12ResourceFlags; |
| } |
| |
| DXGI_FORMAT Texture::GetD3D12CopyableSubresourceFormat(Aspect aspect) const { |
| DAWN_ASSERT(GetFormat().aspects & aspect); |
| |
| switch (GetFormat().format) { |
| case wgpu::TextureFormat::Depth24PlusStencil8: |
| case wgpu::TextureFormat::Depth32FloatStencil8: |
| case wgpu::TextureFormat::Stencil8: |
| switch (aspect) { |
| case Aspect::Depth: |
| return DXGI_FORMAT_R32_FLOAT; |
| case Aspect::Stencil: |
| return DXGI_FORMAT_R8_UINT; |
| default: |
| DAWN_UNREACHABLE(); |
| } |
| default: |
| DAWN_ASSERT(HasOneBit(GetFormat().aspects)); |
| return GetD3D12Format(); |
| } |
| } |
| |
| MaybeError Texture::SynchronizeImportedTextureBeforeUse() { |
| // Perform the wait only on the first call. |
| Device* device = ToBackend(GetDevice()); |
| for (Ref<d3d::Fence>& fence : mWaitFences) { |
| DAWN_TRY(CheckHRESULT( |
| device->GetCommandQueue()->Wait( |
| static_cast<Fence*>(fence.Get())->GetD3D12Fence(), fence->GetFenceValue()), |
| "D3D12 fence wait");); |
| // Keep D3D12 fence alive since we'll clear the waitFences list below. |
| device->ReferenceUntilUnused(static_cast<Fence*>(fence.Get())->GetD3D12Fence()); |
| } |
| mWaitFences.clear(); |
| |
| SharedTextureMemoryBase::PendingFenceList fences; |
| SharedTextureMemoryContents* contents = GetSharedTextureMemoryContents(); |
| if (contents != nullptr) { |
| contents->AcquirePendingFences(&fences); |
| contents->SetLastUsageSerial(GetDevice()->GetPendingCommandSerial()); |
| } |
| |
| for (const auto& fence : fences) { |
| DAWN_TRY(CheckHRESULT(device->GetCommandQueue()->Wait( |
| ToBackend(fence.object)->GetD3DFence(), fence.signaledValue), |
| "D3D12 fence wait")); |
| // Keep D3D12 fence alive until commands complete. |
| device->ReferenceUntilUnused(ToBackend(fence.object)->GetD3DFence()); |
| } |
| return {}; |
| } |
| |
| MaybeError Texture::SynchronizeImportedTextureAfterUse() { |
| // 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. |
| Device* device = ToBackend(GetDevice()); |
| if (mSwapChainTexture) { |
| ID3D12SharingContract* d3dSharingContract = device->GetSharingContract(); |
| if (d3dSharingContract != nullptr) { |
| d3dSharingContract->Present(mResourceAllocation.GetD3D12Resource(), 0, 0); |
| } |
| } |
| // NextSerial() will be called after this - this is also checked in EndAccess(). |
| mSignalFenceValue = device->GetPendingCommandSerial(); |
| return {}; |
| } |
| |
| void Texture::TrackUsageAndTransitionNow(CommandRecordingContext* commandContext, |
| wgpu::TextureUsage usage, |
| const SubresourceRange& range) { |
| TrackUsageAndTransitionNow(commandContext, D3D12TextureUsage(usage, GetFormat()), range); |
| } |
| |
| 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; |
| |
| uint32_t aspectCount = absl::popcount(static_cast<uint8_t>(range.aspects)); |
| barriers.reserve(range.levelCount * range.layerCount * aspectCount); |
| |
| TransitionUsageAndGetResourceBarrier(commandContext, &barriers, newState, range); |
| if (barriers.size()) { |
| commandContext->GetCommandList()->ResourceBarrier(barriers.size(), barriers.data()); |
| } |
| } |
| |
| void Texture::TransitionSubresourceRange(std::vector<D3D12_RESOURCE_BARRIER>* barriers, |
| const SubresourceRange& range, |
| StateAndDecay* state, |
| D3D12_RESOURCE_STATES newState, |
| ExecutionSerial pendingCommandSerial) const { |
| D3D12_RESOURCE_STATES lastState = state->lastState; |
| |
| // If the transition is from-UAV-to-UAV, then a UAV barrier is needed. |
| // If one of the usages isn't UAV, then other barriers are used. |
| bool needsUAVBarrier = lastState == D3D12_RESOURCE_STATE_UNORDERED_ACCESS && |
| newState == D3D12_RESOURCE_STATE_UNORDERED_ACCESS; |
| |
| if (needsUAVBarrier) { |
| D3D12_RESOURCE_BARRIER barrier; |
| barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_UAV; |
| barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE; |
| barrier.UAV.pResource = GetD3D12Resource(); |
| barriers->push_back(barrier); |
| return; |
| } |
| |
| // Reuse the subresource(s) directly and avoid transition when it isn't needed, and |
| // return false. |
| if (lastState == newState) { |
| return; |
| } |
| |
| // 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; |
| |
| // All simultaneous-access textures are qualified for an implicit promotion. |
| // 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. |
| { |
| const D3D12_RESOURCE_STATES kD3D12PromotableReadOnlyStates = |
| D3D12_RESOURCE_STATE_COPY_SOURCE | D3D12_RESOURCE_STATE_ALL_SHADER_RESOURCE; |
| |
| if (lastState == D3D12_RESOURCE_STATE_COMMON) { |
| if (IsSubset(newState, kD3D12PromotableReadOnlyStates) || |
| mD3D12ResourceFlags & D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS) { |
| // 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; |
| |
| // Currently Stencil8 is implemented with DXGI_FORMAT_D24_UNORM_S8_UINT, while we can only |
| // choose the stencil aspect for Stencil8 textures, so actually we cannot select the full |
| // subresource range on the Stencil8 textures. |
| bool isFullRange = |
| range.baseArrayLayer == 0 && range.baseMipLevel == 0 && |
| range.layerCount == GetArrayLayers() && range.levelCount == GetNumMipLevels() && |
| range.aspects == GetFormat().aspects && GetFormat().format != wgpu::TextureFormat::Stencil8; |
| |
| // Use a single transition for all subresources if possible. |
| if (isFullRange) { |
| barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES; |
| barriers->push_back(barrier); |
| } else { |
| for (Aspect aspect : IterateEnumMask(range.aspects)) { |
| for (uint32_t arrayLayer = 0; arrayLayer < range.layerCount; ++arrayLayer) { |
| for (uint32_t mipLevel = 0; mipLevel < range.levelCount; ++mipLevel) { |
| barrier.Transition.Subresource = GetSubresourceIndex( |
| range.baseMipLevel + mipLevel, range.baseArrayLayer + arrayLayer, aspect); |
| barriers->push_back(barrier); |
| } |
| } |
| } |
| } |
| |
| state->isValidToDecay = false; |
| } |
| |
| void Texture::HandleTransitionSpecialCases(CommandRecordingContext* commandContext) { |
| // Externally allocated textures 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 CommandRecordingContext::ExecuteCommandList. |
| if (mResourceAllocation.GetInfo().mMethod == AllocationMethod::kExternal) { |
| commandContext->AddToSharedTextureList(this); |
| } |
| } |
| |
| void Texture::TransitionUsageAndGetResourceBarrier(CommandRecordingContext* commandContext, |
| std::vector<D3D12_RESOURCE_BARRIER>* barrier, |
| wgpu::TextureUsage usage, |
| const SubresourceRange& range) { |
| TransitionUsageAndGetResourceBarrier(commandContext, barrier, |
| D3D12TextureUsage(usage, GetFormat()), range); |
| } |
| |
| void Texture::TransitionUsageAndGetResourceBarrier(CommandRecordingContext* commandContext, |
| std::vector<D3D12_RESOURCE_BARRIER>* barriers, |
| D3D12_RESOURCE_STATES newState, |
| const SubresourceRange& range) { |
| HandleTransitionSpecialCases(commandContext); |
| |
| const ExecutionSerial pendingCommandSerial = ToBackend(GetDevice())->GetPendingCommandSerial(); |
| |
| mSubresourceStateAndDecay.Update(range, [&](const SubresourceRange& updateRange, |
| StateAndDecay* state) { |
| TransitionSubresourceRange(barriers, updateRange, state, newState, pendingCommandSerial); |
| }); |
| } |
| |
| void Texture::TrackUsageAndGetResourceBarrierForPass( |
| CommandRecordingContext* commandContext, |
| std::vector<D3D12_RESOURCE_BARRIER>* barriers, |
| const TextureSubresourceSyncInfo& textureSyncInfos) { |
| if (mResourceAllocation.GetInfo().mMethod != AllocationMethod::kExternal) { |
| // Track the underlying heap to ensure residency. |
| Heap* heap = ToBackend(mResourceAllocation.GetResourceHeap()); |
| commandContext->TrackHeapUsage(heap, GetDevice()->GetPendingCommandSerial()); |
| } |
| |
| HandleTransitionSpecialCases(commandContext); |
| |
| const ExecutionSerial pendingCommandSerial = ToBackend(GetDevice())->GetPendingCommandSerial(); |
| |
| mSubresourceStateAndDecay.Merge( |
| textureSyncInfos, [&](const SubresourceRange& mergeRange, StateAndDecay* state, |
| const TextureSyncInfo& syncInfo) { |
| // Skip if this subresource is not used during the current pass |
| if (syncInfo.usage == wgpu::TextureUsage::None) { |
| return; |
| } |
| |
| D3D12_RESOURCE_STATES newState = D3D12TextureUsage(syncInfo.usage, GetFormat()); |
| TransitionSubresourceRange(barriers, mergeRange, state, newState, pendingCommandSerial); |
| }); |
| } |
| |
| SubresourceStorage<Texture::StateAndDecay> Texture::InitialSubresourceStateAndDecay() const { |
| return {GetFormat().aspects, |
| GetArrayLayers(), |
| GetNumMipLevels(), |
| {D3D12_RESOURCE_STATES::D3D12_RESOURCE_STATE_COMMON, kMaxExecutionSerial, false}}; |
| } |
| |
| void Texture::ResetSubresourceStateAndDecayToCommon() { |
| mSubresourceStateAndDecay = InitialSubresourceStateAndDecay(); |
| } |
| |
| D3D12_RENDER_TARGET_VIEW_DESC Texture::GetRTVDescriptor(const Format& format, |
| uint32_t mipLevel, |
| uint32_t baseSlice, |
| uint32_t sliceCount) const { |
| D3D12_RENDER_TARGET_VIEW_DESC rtvDesc; |
| rtvDesc.Format = d3d::DXGITextureFormat(format.format); |
| if (IsMultisampledTexture()) { |
| DAWN_ASSERT(GetDimension() == wgpu::TextureDimension::e2D); |
| DAWN_ASSERT(GetNumMipLevels() == 1); |
| DAWN_ASSERT(sliceCount == 1); |
| DAWN_ASSERT(baseSlice == 0); |
| DAWN_ASSERT(mipLevel == 0); |
| rtvDesc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE2DMS; |
| return rtvDesc; |
| } |
| switch (GetDimension()) { |
| case wgpu::TextureDimension::e2D: |
| // 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 = baseSlice; |
| rtvDesc.Texture2DArray.ArraySize = sliceCount; |
| rtvDesc.Texture2DArray.MipSlice = mipLevel; |
| rtvDesc.Texture2DArray.PlaneSlice = 0; |
| break; |
| case wgpu::TextureDimension::e3D: |
| rtvDesc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE3D; |
| rtvDesc.Texture3D.MipSlice = mipLevel; |
| rtvDesc.Texture3D.FirstWSlice = baseSlice; |
| rtvDesc.Texture3D.WSize = sliceCount; |
| break; |
| case wgpu::TextureDimension::e1D: |
| DAWN_UNREACHABLE(); |
| break; |
| } |
| return rtvDesc; |
| } |
| |
| D3D12_DEPTH_STENCIL_VIEW_DESC Texture::GetDSVDescriptor(uint32_t mipLevel, |
| uint32_t baseArrayLayer, |
| uint32_t layerCount, |
| Aspect aspects, |
| bool depthReadOnly, |
| bool stencilReadOnly) const { |
| D3D12_DEPTH_STENCIL_VIEW_DESC dsvDesc; |
| dsvDesc.Format = GetD3D12Format(); |
| dsvDesc.Flags = D3D12_DSV_FLAG_NONE; |
| if (depthReadOnly && aspects & Aspect::Depth) { |
| dsvDesc.Flags |= D3D12_DSV_FLAG_READ_ONLY_DEPTH; |
| } |
| if (stencilReadOnly && aspects & Aspect::Stencil) { |
| dsvDesc.Flags |= D3D12_DSV_FLAG_READ_ONLY_STENCIL; |
| } |
| |
| if (IsMultisampledTexture()) { |
| DAWN_ASSERT(GetNumMipLevels() == 1); |
| DAWN_ASSERT(layerCount == 1); |
| DAWN_ASSERT(baseArrayLayer == 0); |
| DAWN_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) { |
| 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 ((mD3D12ResourceFlags & D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL) != 0) { |
| TrackUsageAndTransitionNow(commandContext, D3D12_RESOURCE_STATE_DEPTH_WRITE, range); |
| |
| for (uint32_t level = range.baseMipLevel; level < range.baseMipLevel + range.levelCount; |
| ++level) { |
| for (uint32_t layer = range.baseArrayLayer; |
| layer < range.baseArrayLayer + range.layerCount; ++layer) { |
| // Iterate the aspects individually to determine which clear flags to use. |
| D3D12_CLEAR_FLAGS clearFlags = {}; |
| for (Aspect aspect : IterateEnumMask(range.aspects)) { |
| if (clearValue == TextureBase::ClearValue::Zero && |
| IsSubresourceContentInitialized( |
| SubresourceRange::SingleMipAndLayer(level, layer, aspect))) { |
| // Skip lazy clears if already initialized. |
| continue; |
| } |
| |
| switch (aspect) { |
| case Aspect::Depth: |
| clearFlags |= D3D12_CLEAR_FLAG_DEPTH; |
| break; |
| case Aspect::Stencil: |
| clearFlags |= D3D12_CLEAR_FLAG_STENCIL; |
| break; |
| default: |
| DAWN_UNREACHABLE(); |
| } |
| } |
| |
| if (clearFlags == 0) { |
| 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, range.aspects, false, false); |
| device->GetD3D12Device()->CreateDepthStencilView(GetD3D12Resource(), &dsvDesc, |
| baseDescriptor); |
| |
| commandList->ClearDepthStencilView(baseDescriptor, clearFlags, fClearColor, |
| clearColor, 0, nullptr); |
| } |
| } |
| } else if ((mD3D12ResourceFlags & D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET) != 0) { |
| TrackUsageAndTransitionNow(commandContext, D3D12_RESOURCE_STATE_RENDER_TARGET, range); |
| |
| const float clearColorRGBA[4] = {fClearColor, fClearColor, fClearColor, fClearColor}; |
| |
| DAWN_ASSERT(range.aspects == Aspect::Color); |
| 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::SingleMipAndLayer(level, layer, Aspect::Color))) { |
| // Skip lazy clears if already initialized. |
| continue; |
| } |
| |
| CPUDescriptorHeapAllocation rtvHeap; |
| DAWN_TRY_ASSIGN( |
| rtvHeap, |
| device->GetRenderTargetViewAllocator()->AllocateTransientCPUDescriptors()); |
| const D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = rtvHeap.GetBaseDescriptor(); |
| |
| // For the subresources of 3d textures, range.baseArrayLayer must be 0 and |
| // range.layerCount must be 1, the sliceCount is the depthOrArrayLayers of the |
| // subresource virtual size, which must be 1 for 2d textures. When clearing RTV, we |
| // can use the 'layer' as baseSlice and the 'depthOrArrayLayers' as sliceCount to |
| // create RTV without checking the dimension. |
| D3D12_RENDER_TARGET_VIEW_DESC rtvDesc = |
| GetRTVDescriptor(GetFormat(), level, layer, |
| GetMipLevelSingleSubresourceVirtualSize(level, Aspect::Color) |
| .depthOrArrayLayers); |
| device->GetD3D12Device()->CreateRenderTargetView(GetD3D12Resource(), &rtvDesc, |
| rtvHandle); |
| commandList->ClearRenderTargetView(rtvHandle, clearColorRGBA, 0, nullptr); |
| } |
| } |
| } else { |
| DAWN_ASSERT(!IsMultisampledTexture()); |
| |
| // create temp buffer with clear color to copy to the texture image |
| TrackUsageAndTransitionNow(commandContext, D3D12_RESOURCE_STATE_COPY_DEST, range); |
| |
| for (Aspect aspect : IterateEnumMask(range.aspects)) { |
| const TexelBlockInfo& blockInfo = GetFormat().GetAspectInfo(aspect).block; |
| |
| Extent3D largestMipSize = |
| GetMipLevelSingleSubresourcePhysicalSize(range.baseMipLevel, aspect); |
| |
| uint32_t bytesPerRow = |
| Align((largestMipSize.width / blockInfo.width) * blockInfo.byteSize, |
| kTextureBytesPerRowAlignment); |
| uint64_t bufferSize = bytesPerRow * (largestMipSize.height / blockInfo.height) * |
| largestMipSize.depthOrArrayLayers; |
| DynamicUploader* uploader = device->GetDynamicUploader(); |
| UploadHandle uploadHandle; |
| DAWN_TRY_ASSIGN(uploadHandle, |
| uploader->Allocate(bufferSize, device->GetPendingCommandSerial(), |
| blockInfo.byteSize)); |
| memset(uploadHandle.mappedBuffer, clearColor, bufferSize); |
| |
| for (uint32_t level = range.baseMipLevel; level < range.baseMipLevel + range.levelCount; |
| ++level) { |
| // compute d3d12 texture copy locations for texture and buffer |
| Extent3D copySize = GetMipLevelSingleSubresourcePhysicalSize(level, aspect); |
| |
| for (uint32_t layer = range.baseArrayLayer; |
| layer < range.baseArrayLayer + range.layerCount; ++layer) { |
| if (clearValue == TextureBase::ClearValue::Zero && |
| IsSubresourceContentInitialized( |
| SubresourceRange::SingleMipAndLayer(level, layer, aspect))) { |
| // Skip lazy clears if already initialized. |
| continue; |
| } |
| |
| TextureCopy textureCopy; |
| textureCopy.texture = this; |
| textureCopy.origin = {0, 0, layer}; |
| textureCopy.mipLevel = level; |
| textureCopy.aspect = aspect; |
| RecordBufferTextureCopyWithBufferHandle( |
| BufferTextureCopyDirection::B2T, commandList, |
| ToBackend(uploadHandle.stagingBuffer)->GetD3D12Resource(), |
| uploadHandle.startOffset, bytesPerRow, largestMipSize.height, textureCopy, |
| copySize); |
| } |
| } |
| } |
| } |
| if (clearValue == TextureBase::ClearValue::Zero) { |
| SetIsSubresourceContentInitialized(true, range); |
| GetDevice()->IncrementLazyClearCountForTesting(); |
| } |
| return {}; |
| } |
| |
| void Texture::SetLabelHelper(const char* prefix) { |
| SetDebugName(ToBackend(GetDevice()), mResourceAllocation.GetD3D12Resource(), prefix, |
| GetLabel()); |
| } |
| |
| void Texture::SetLabelImpl() { |
| SetLabelHelper("Dawn_InternalTexture"); |
| } |
| |
| MaybeError 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 |
| DAWN_TRY(ClearTexture(commandContext, range, TextureBase::ClearValue::Zero)); |
| } |
| return {}; |
| } |
| |
| bool Texture::StateAndDecay::operator==(const Texture::StateAndDecay& other) const { |
| return lastState == other.lastState && lastDecaySerial == other.lastDecaySerial && |
| isValidToDecay == other.isValidToDecay; |
| } |
| |
| // static |
| Ref<TextureView> TextureView::Create(TextureBase* texture, |
| const TextureViewDescriptor* descriptor) { |
| return AcquireRef(new TextureView(texture, descriptor)); |
| } |
| |
| TextureView::TextureView(TextureBase* texture, const TextureViewDescriptor* descriptor) |
| : TextureViewBase(texture, descriptor) { |
| mSrvDesc.Format = d3d::DXGITextureFormat(descriptor->format); |
| mSrvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING; |
| |
| UINT planeSlice = 0; |
| const Format& textureFormat = texture->GetFormat(); |
| if (textureFormat.HasDepthOrStencil()) { |
| // Configure the SRV descriptor to reinterpret the texture allocated as |
| // TYPELESS as a single-plane shader-accessible view. |
| switch (textureFormat.format) { |
| case wgpu::TextureFormat::Depth32Float: |
| case wgpu::TextureFormat::Depth24Plus: |
| mSrvDesc.Format = DXGI_FORMAT_R32_FLOAT; |
| break; |
| case wgpu::TextureFormat::Depth16Unorm: |
| mSrvDesc.Format = DXGI_FORMAT_R16_UNORM; |
| break; |
| case wgpu::TextureFormat::Stencil8: { |
| Aspect aspects = SelectFormatAspects(textureFormat, descriptor->aspect); |
| DAWN_ASSERT(aspects != Aspect::None); |
| if (!HasZeroOrOneBits(aspects)) { |
| // A single aspect is not selected. The texture view must not be |
| // sampled. |
| mSrvDesc.Format = DXGI_FORMAT_UNKNOWN; |
| break; |
| } |
| switch (aspects) { |
| case Aspect::Depth: |
| planeSlice = 0; |
| mSrvDesc.Format = DXGI_FORMAT_R24_UNORM_X8_TYPELESS; |
| break; |
| case Aspect::Stencil: |
| planeSlice = 1; |
| mSrvDesc.Format = DXGI_FORMAT_X24_TYPELESS_G8_UINT; |
| // Stencil is accessed using the .g component in the shader. |
| // Map it to the zeroth component to match other APIs. |
| mSrvDesc.Shader4ComponentMapping = D3D12_ENCODE_SHADER_4_COMPONENT_MAPPING( |
| D3D12_SHADER_COMPONENT_MAPPING_FROM_MEMORY_COMPONENT_1, |
| D3D12_SHADER_COMPONENT_MAPPING_FORCE_VALUE_0, |
| D3D12_SHADER_COMPONENT_MAPPING_FORCE_VALUE_0, |
| D3D12_SHADER_COMPONENT_MAPPING_FORCE_VALUE_1); |
| break; |
| default: |
| DAWN_UNREACHABLE(); |
| break; |
| } |
| break; |
| } |
| case wgpu::TextureFormat::Depth24PlusStencil8: |
| case wgpu::TextureFormat::Depth32FloatStencil8: { |
| Aspect aspects = SelectFormatAspects(textureFormat, descriptor->aspect); |
| DAWN_ASSERT(aspects != Aspect::None); |
| if (!HasZeroOrOneBits(aspects)) { |
| // A single aspect is not selected. The texture view must not be |
| // sampled. |
| mSrvDesc.Format = DXGI_FORMAT_UNKNOWN; |
| break; |
| } |
| switch (aspects) { |
| case Aspect::Depth: |
| planeSlice = 0; |
| mSrvDesc.Format = DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS; |
| break; |
| case Aspect::Stencil: |
| planeSlice = 1; |
| mSrvDesc.Format = DXGI_FORMAT_X32_TYPELESS_G8X24_UINT; |
| // Stencil is accessed using the .g component in the shader. |
| // Map it to the zeroth component to match other APIs. |
| mSrvDesc.Shader4ComponentMapping = D3D12_ENCODE_SHADER_4_COMPONENT_MAPPING( |
| D3D12_SHADER_COMPONENT_MAPPING_FROM_MEMORY_COMPONENT_1, |
| D3D12_SHADER_COMPONENT_MAPPING_FORCE_VALUE_0, |
| D3D12_SHADER_COMPONENT_MAPPING_FORCE_VALUE_0, |
| D3D12_SHADER_COMPONENT_MAPPING_FORCE_VALUE_1); |
| break; |
| default: |
| DAWN_UNREACHABLE(); |
| break; |
| } |
| break; |
| } |
| default: |
| DAWN_UNREACHABLE(); |
| break; |
| } |
| } |
| |
| // Per plane view formats must have the plane slice number be the index of the plane in the |
| // array of textures. |
| if (texture->GetFormat().IsMultiPlanar()) { |
| const Aspect planeAspect = ConvertViewAspect(GetFormat(), descriptor->aspect); |
| planeSlice = GetAspectIndex(planeAspect); |
| mSrvDesc.Format = |
| d3d::DXGITextureFormat(texture->GetFormat().GetAspectInfo(planeAspect).format); |
| } |
| |
| // 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. |
| // Multisampled textures may only be one array layer, so we use |
| // D3D12_SRV_DIMENSION_TEXTURE2DMS. |
| // 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 |
| if (GetTexture()->IsMultisampledTexture()) { |
| switch (descriptor->dimension) { |
| case wgpu::TextureViewDimension::e2DArray: |
| DAWN_ASSERT(texture->GetArrayLayers() == 1); |
| [[fallthrough]]; |
| case wgpu::TextureViewDimension::e2D: |
| DAWN_ASSERT(texture->GetDimension() == wgpu::TextureDimension::e2D); |
| mSrvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2DMS; |
| break; |
| |
| default: |
| DAWN_UNREACHABLE(); |
| } |
| } else { |
| switch (descriptor->dimension) { |
| case wgpu::TextureViewDimension::e1D: |
| mSrvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE1D; |
| mSrvDesc.Texture1D.MipLevels = descriptor->mipLevelCount; |
| mSrvDesc.Texture1D.MostDetailedMip = descriptor->baseMipLevel; |
| mSrvDesc.Texture1D.ResourceMinLODClamp = 0; |
| break; |
| |
| case wgpu::TextureViewDimension::e2D: |
| case wgpu::TextureViewDimension::e2DArray: |
| DAWN_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 = planeSlice; |
| mSrvDesc.Texture2DArray.ResourceMinLODClamp = 0; |
| break; |
| case wgpu::TextureViewDimension::Cube: |
| case wgpu::TextureViewDimension::CubeArray: |
| DAWN_ASSERT(texture->GetDimension() == wgpu::TextureDimension::e2D); |
| DAWN_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; |
| case wgpu::TextureViewDimension::e3D: |
| DAWN_ASSERT(texture->GetDimension() == wgpu::TextureDimension::e3D); |
| mSrvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE3D; |
| mSrvDesc.Texture3D.MostDetailedMip = descriptor->baseMipLevel; |
| mSrvDesc.Texture3D.MipLevels = descriptor->mipLevelCount; |
| mSrvDesc.Texture3D.ResourceMinLODClamp = 0; |
| break; |
| |
| case wgpu::TextureViewDimension::Undefined: |
| DAWN_UNREACHABLE(); |
| } |
| } |
| } |
| |
| DXGI_FORMAT TextureView::GetD3D12Format() const { |
| return d3d::DXGITextureFormat(GetFormat().format); |
| } |
| |
| const D3D12_SHADER_RESOURCE_VIEW_DESC& TextureView::GetSRVDescriptor() const { |
| DAWN_ASSERT(mSrvDesc.Format != DXGI_FORMAT_UNKNOWN); |
| return mSrvDesc; |
| } |
| |
| D3D12_RENDER_TARGET_VIEW_DESC TextureView::GetRTVDescriptor(uint32_t depthSlice) const { |
| DAWN_ASSERT(depthSlice < GetSingleSubresourceVirtualSize().depthOrArrayLayers); |
| // We have validated that the depthSlice in render pass's colorAttachments must be undefined for |
| // 2d RTVs, which value is set to 0. For 3d RTVs, the baseArrayLayer must be 0. So here we can |
| // simply use baseArrayLayer + depthSlice to specify the slice in RTVs without checking the |
| // view's dimension. |
| return ToBackend(GetTexture()) |
| ->GetRTVDescriptor(GetFormat(), GetBaseMipLevel(), GetBaseArrayLayer() + depthSlice, |
| GetLayerCount()); |
| } |
| |
| D3D12_DEPTH_STENCIL_VIEW_DESC TextureView::GetDSVDescriptor(bool depthReadOnly, |
| bool stencilReadOnly) const { |
| DAWN_ASSERT(GetLevelCount() == 1); |
| return ToBackend(GetTexture()) |
| ->GetDSVDescriptor(GetBaseMipLevel(), GetBaseArrayLayer(), GetLayerCount(), GetAspects(), |
| depthReadOnly, stencilReadOnly); |
| } |
| |
| D3D12_UNORDERED_ACCESS_VIEW_DESC TextureView::GetUAVDescriptor() const { |
| D3D12_UNORDERED_ACCESS_VIEW_DESC uavDesc; |
| uavDesc.Format = GetD3D12Format(); |
| |
| DAWN_ASSERT(!GetTexture()->IsMultisampledTexture()); |
| switch (GetDimension()) { |
| case wgpu::TextureViewDimension::e1D: |
| uavDesc.ViewDimension = D3D12_UAV_DIMENSION_TEXTURE1D; |
| uavDesc.Texture1D.MipSlice = GetBaseMipLevel(); |
| break; |
| case wgpu::TextureViewDimension::e2D: |
| case wgpu::TextureViewDimension::e2DArray: |
| uavDesc.ViewDimension = D3D12_UAV_DIMENSION_TEXTURE2DARRAY; |
| uavDesc.Texture2DArray.FirstArraySlice = GetBaseArrayLayer(); |
| uavDesc.Texture2DArray.ArraySize = GetLayerCount(); |
| uavDesc.Texture2DArray.MipSlice = GetBaseMipLevel(); |
| uavDesc.Texture2DArray.PlaneSlice = 0; |
| break; |
| case wgpu::TextureViewDimension::e3D: |
| uavDesc.ViewDimension = D3D12_UAV_DIMENSION_TEXTURE3D; |
| uavDesc.Texture3D.FirstWSlice = 0; |
| uavDesc.Texture3D.WSize = |
| std::max(1u, GetSingleSubresourceVirtualSize().depthOrArrayLayers); |
| uavDesc.Texture3D.MipSlice = GetBaseMipLevel(); |
| break; |
| // Cube and Cubemap can't be used as storage texture. So there is no need to create UAV |
| // descriptor for them. |
| case wgpu::TextureViewDimension::Cube: |
| case wgpu::TextureViewDimension::CubeArray: |
| case wgpu::TextureViewDimension::Undefined: |
| DAWN_UNREACHABLE(); |
| } |
| return uavDesc; |
| } |
| |
| } // namespace dawn::native::d3d12 |
