| // 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/CommandBufferD3D12.h" |
| |
| #include "common/Assert.h" |
| #include "dawn_native/Commands.h" |
| #include "dawn_native/d3d12/BindGroupD3D12.h" |
| #include "dawn_native/d3d12/BindGroupLayoutD3D12.h" |
| #include "dawn_native/d3d12/BufferD3D12.h" |
| #include "dawn_native/d3d12/ComputePipelineD3D12.h" |
| #include "dawn_native/d3d12/DescriptorHeapAllocator.h" |
| #include "dawn_native/d3d12/DeviceD3D12.h" |
| #include "dawn_native/d3d12/InputStateD3D12.h" |
| #include "dawn_native/d3d12/PipelineLayoutD3D12.h" |
| #include "dawn_native/d3d12/RenderPassDescriptorD3D12.h" |
| #include "dawn_native/d3d12/RenderPipelineD3D12.h" |
| #include "dawn_native/d3d12/ResourceAllocator.h" |
| #include "dawn_native/d3d12/SamplerD3D12.h" |
| #include "dawn_native/d3d12/TextureCopySplitter.h" |
| #include "dawn_native/d3d12/TextureD3D12.h" |
| |
| namespace dawn_native { namespace d3d12 { |
| |
| namespace { |
| DXGI_FORMAT DXGIIndexFormat(dawn::IndexFormat format) { |
| switch (format) { |
| case dawn::IndexFormat::Uint16: |
| return DXGI_FORMAT_R16_UINT; |
| case dawn::IndexFormat::Uint32: |
| return DXGI_FORMAT_R32_UINT; |
| default: |
| UNREACHABLE(); |
| } |
| } |
| } // anonymous namespace |
| |
| struct BindGroupStateTracker { |
| uint32_t cbvSrvUavDescriptorIndex = 0; |
| uint32_t samplerDescriptorIndex = 0; |
| DescriptorHeapHandle cbvSrvUavCPUDescriptorHeap = {}; |
| DescriptorHeapHandle samplerCPUDescriptorHeap = {}; |
| DescriptorHeapHandle cbvSrvUavGPUDescriptorHeap = {}; |
| DescriptorHeapHandle samplerGPUDescriptorHeap = {}; |
| std::array<BindGroup*, kMaxBindGroups> bindGroups = {}; |
| bool inCompute = false; |
| |
| Device* device; |
| |
| BindGroupStateTracker(Device* device) : device(device) { |
| } |
| |
| void SetInComputePass(bool inCompute_) { |
| inCompute = inCompute_; |
| } |
| |
| void TrackSetBindGroup(BindGroup* group, uint32_t index) { |
| if (bindGroups[index] != group) { |
| bindGroups[index] = group; |
| |
| // Descriptors don't need to be recorded if they have already been recorded in |
| // the heap. Indices are only updated when descriptors are recorded |
| const uint64_t serial = device->GetSerial(); |
| if (group->GetHeapSerial() != serial) { |
| group->RecordDescriptors(cbvSrvUavCPUDescriptorHeap, &cbvSrvUavDescriptorIndex, |
| samplerCPUDescriptorHeap, &samplerDescriptorIndex, |
| serial); |
| } |
| } |
| } |
| |
| void TrackInheritedGroups(PipelineLayout* oldLayout, PipelineLayout* newLayout) { |
| if (oldLayout == nullptr) { |
| return; |
| } |
| |
| uint32_t inheritUntil = oldLayout->GroupsInheritUpTo(newLayout); |
| for (uint32_t i = 0; i < inheritUntil; ++i) { |
| TrackSetBindGroup(bindGroups[i], i); |
| } |
| } |
| |
| void SetBindGroup(ComPtr<ID3D12GraphicsCommandList> commandList, |
| PipelineLayout* pipelineLayout, |
| BindGroup* group, |
| uint32_t index, |
| bool force = false) { |
| if (bindGroups[index] != group || force) { |
| bindGroups[index] = group; |
| |
| uint32_t cbvUavSrvCount = |
| ToBackend(group->GetLayout())->GetCbvUavSrvDescriptorCount(); |
| uint32_t samplerCount = ToBackend(group->GetLayout())->GetSamplerDescriptorCount(); |
| |
| if (cbvUavSrvCount > 0) { |
| uint32_t parameterIndex = pipelineLayout->GetCbvUavSrvRootParameterIndex(index); |
| |
| if (inCompute) { |
| commandList->SetComputeRootDescriptorTable( |
| parameterIndex, cbvSrvUavGPUDescriptorHeap.GetGPUHandle( |
| group->GetCbvUavSrvHeapOffset())); |
| } else { |
| commandList->SetGraphicsRootDescriptorTable( |
| parameterIndex, cbvSrvUavGPUDescriptorHeap.GetGPUHandle( |
| group->GetCbvUavSrvHeapOffset())); |
| } |
| } |
| |
| if (samplerCount > 0) { |
| uint32_t parameterIndex = pipelineLayout->GetSamplerRootParameterIndex(index); |
| |
| if (inCompute) { |
| commandList->SetComputeRootDescriptorTable( |
| parameterIndex, |
| samplerGPUDescriptorHeap.GetGPUHandle(group->GetSamplerHeapOffset())); |
| } else { |
| commandList->SetGraphicsRootDescriptorTable( |
| parameterIndex, |
| samplerGPUDescriptorHeap.GetGPUHandle(group->GetSamplerHeapOffset())); |
| } |
| } |
| } |
| } |
| |
| void SetInheritedBindGroups(ComPtr<ID3D12GraphicsCommandList> commandList, |
| PipelineLayout* oldLayout, |
| PipelineLayout* newLayout) { |
| if (oldLayout == nullptr) { |
| return; |
| } |
| |
| uint32_t inheritUntil = oldLayout->GroupsInheritUpTo(newLayout); |
| for (uint32_t i = 0; i < inheritUntil; ++i) { |
| SetBindGroup(commandList, newLayout, bindGroups[i], i, true); |
| } |
| } |
| |
| void Reset() { |
| for (uint32_t i = 0; i < kMaxBindGroups; ++i) { |
| bindGroups[i] = nullptr; |
| } |
| } |
| }; |
| |
| namespace { |
| |
| void AllocateAndSetDescriptorHeaps(Device* device, |
| BindGroupStateTracker* bindingTracker, |
| CommandIterator* commands) { |
| auto* descriptorHeapAllocator = device->GetDescriptorHeapAllocator(); |
| |
| // TODO(enga@google.com): This currently allocates CPU heaps of arbitrarily chosen sizes |
| // This will not work if there are too many descriptors |
| bindingTracker->cbvSrvUavCPUDescriptorHeap = descriptorHeapAllocator->AllocateCPUHeap( |
| D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, 8192); |
| bindingTracker->samplerCPUDescriptorHeap = |
| descriptorHeapAllocator->AllocateCPUHeap(D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER, 2048); |
| |
| { |
| Command type; |
| PipelineLayout* lastLayout = nullptr; |
| |
| while (commands->NextCommandId(&type)) { |
| switch (type) { |
| case Command::SetComputePipeline: { |
| SetComputePipelineCmd* cmd = |
| commands->NextCommand<SetComputePipelineCmd>(); |
| PipelineLayout* layout = ToBackend(cmd->pipeline->GetLayout()); |
| bindingTracker->TrackInheritedGroups(lastLayout, layout); |
| lastLayout = layout; |
| } break; |
| |
| case Command::SetRenderPipeline: { |
| SetRenderPipelineCmd* cmd = |
| commands->NextCommand<SetRenderPipelineCmd>(); |
| PipelineLayout* layout = ToBackend(cmd->pipeline->GetLayout()); |
| bindingTracker->TrackInheritedGroups(lastLayout, layout); |
| lastLayout = layout; |
| } break; |
| |
| case Command::SetBindGroup: { |
| SetBindGroupCmd* cmd = commands->NextCommand<SetBindGroupCmd>(); |
| BindGroup* group = ToBackend(cmd->group.Get()); |
| bindingTracker->TrackSetBindGroup(group, cmd->index); |
| } break; |
| default: |
| SkipCommand(commands, type); |
| } |
| } |
| |
| commands->Reset(); |
| } |
| |
| if (bindingTracker->cbvSrvUavDescriptorIndex > 0) { |
| // Allocate a GPU-visible heap and copy from the CPU-only heap to the GPU-visible |
| // heap |
| bindingTracker->cbvSrvUavGPUDescriptorHeap = |
| descriptorHeapAllocator->AllocateGPUHeap( |
| D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, |
| bindingTracker->cbvSrvUavDescriptorIndex); |
| device->GetD3D12Device()->CopyDescriptorsSimple( |
| bindingTracker->cbvSrvUavDescriptorIndex, |
| bindingTracker->cbvSrvUavGPUDescriptorHeap.GetCPUHandle(0), |
| bindingTracker->cbvSrvUavCPUDescriptorHeap.GetCPUHandle(0), |
| D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV); |
| } |
| |
| if (bindingTracker->samplerDescriptorIndex > 0) { |
| bindingTracker->samplerGPUDescriptorHeap = descriptorHeapAllocator->AllocateGPUHeap( |
| D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER, bindingTracker->samplerDescriptorIndex); |
| device->GetD3D12Device()->CopyDescriptorsSimple( |
| bindingTracker->samplerDescriptorIndex, |
| bindingTracker->samplerGPUDescriptorHeap.GetCPUHandle(0), |
| bindingTracker->samplerCPUDescriptorHeap.GetCPUHandle(0), |
| D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER); |
| } |
| } |
| |
| } // anonymous namespace |
| |
| CommandBuffer::CommandBuffer(CommandBufferBuilder* builder) |
| : CommandBufferBase(builder), |
| mCommands(builder->AcquireCommands()), |
| mPassResourceUsages(builder->AcquirePassResourceUsage()) { |
| } |
| |
| CommandBuffer::~CommandBuffer() { |
| FreeCommands(&mCommands); |
| } |
| |
| void CommandBuffer::RecordCommands(ComPtr<ID3D12GraphicsCommandList> commandList) { |
| Device* device = ToBackend(GetDevice()); |
| BindGroupStateTracker bindingTracker(device); |
| |
| // Precompute the allocation of bindgroups in descriptor heaps |
| // TODO(cwallez@chromium.org): Iterating over all the commands here is inefficient. We |
| // should have a system where commands and descriptors are recorded in parallel then the |
| // heaps set using a small CommandList inserted just before the main CommandList. |
| { |
| AllocateAndSetDescriptorHeaps(device, &bindingTracker, &mCommands); |
| bindingTracker.Reset(); |
| |
| ID3D12DescriptorHeap* descriptorHeaps[2] = { |
| bindingTracker.cbvSrvUavGPUDescriptorHeap.Get(), |
| bindingTracker.samplerGPUDescriptorHeap.Get()}; |
| if (descriptorHeaps[0] && descriptorHeaps[1]) { |
| commandList->SetDescriptorHeaps(2, descriptorHeaps); |
| } else if (descriptorHeaps[0]) { |
| commandList->SetDescriptorHeaps(1, descriptorHeaps); |
| } else if (descriptorHeaps[1]) { |
| commandList->SetDescriptorHeaps(1, &descriptorHeaps[1]); |
| } |
| } |
| |
| // Records the necessary barriers for the resource usage pre-computed by the frontend |
| auto TransitionForPass = [](ComPtr<ID3D12GraphicsCommandList> commandList, |
| const PassResourceUsage& usages) { |
| for (size_t i = 0; i < usages.buffers.size(); ++i) { |
| Buffer* buffer = ToBackend(usages.buffers[i]); |
| buffer->TransitionUsageNow(commandList, usages.bufferUsages[i]); |
| } |
| for (size_t i = 0; i < usages.textures.size(); ++i) { |
| Texture* texture = ToBackend(usages.textures[i]); |
| texture->TransitionUsageNow(commandList, usages.textureUsages[i]); |
| } |
| }; |
| |
| uint32_t nextPassNumber = 0; |
| |
| Command type; |
| while (mCommands.NextCommandId(&type)) { |
| switch (type) { |
| case Command::BeginComputePass: { |
| mCommands.NextCommand<BeginComputePassCmd>(); |
| |
| TransitionForPass(commandList, mPassResourceUsages[nextPassNumber]); |
| bindingTracker.SetInComputePass(true); |
| RecordComputePass(commandList, &bindingTracker); |
| |
| nextPassNumber++; |
| } break; |
| |
| case Command::BeginRenderPass: { |
| BeginRenderPassCmd* beginRenderPassCmd = |
| mCommands.NextCommand<BeginRenderPassCmd>(); |
| |
| TransitionForPass(commandList, mPassResourceUsages[nextPassNumber]); |
| bindingTracker.SetInComputePass(false); |
| RecordRenderPass(commandList, &bindingTracker, |
| ToBackend(beginRenderPassCmd->info.Get())); |
| |
| nextPassNumber++; |
| } break; |
| |
| case Command::CopyBufferToBuffer: { |
| CopyBufferToBufferCmd* copy = mCommands.NextCommand<CopyBufferToBufferCmd>(); |
| Buffer* srcBuffer = ToBackend(copy->source.buffer.Get()); |
| Buffer* dstBuffer = ToBackend(copy->destination.buffer.Get()); |
| |
| srcBuffer->TransitionUsageNow(commandList, dawn::BufferUsageBit::TransferSrc); |
| dstBuffer->TransitionUsageNow(commandList, dawn::BufferUsageBit::TransferDst); |
| |
| commandList->CopyBufferRegion( |
| dstBuffer->GetD3D12Resource().Get(), copy->destination.offset, |
| srcBuffer->GetD3D12Resource().Get(), copy->source.offset, copy->size); |
| } break; |
| |
| case Command::CopyBufferToTexture: { |
| CopyBufferToTextureCmd* copy = mCommands.NextCommand<CopyBufferToTextureCmd>(); |
| Buffer* buffer = ToBackend(copy->source.buffer.Get()); |
| Texture* texture = ToBackend(copy->destination.texture.Get()); |
| |
| buffer->TransitionUsageNow(commandList, dawn::BufferUsageBit::TransferSrc); |
| texture->TransitionUsageNow(commandList, dawn::TextureUsageBit::TransferDst); |
| |
| auto copySplit = ComputeTextureCopySplit( |
| copy->destination.x, copy->destination.y, copy->destination.z, |
| copy->destination.width, copy->destination.height, copy->destination.depth, |
| static_cast<uint32_t>(TextureFormatPixelSize(texture->GetFormat())), |
| copy->source.offset, copy->rowPitch); |
| |
| D3D12_TEXTURE_COPY_LOCATION textureLocation; |
| textureLocation.pResource = texture->GetD3D12Resource(); |
| textureLocation.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX; |
| textureLocation.SubresourceIndex = |
| texture->GetNumMipLevels() * copy->destination.slice + |
| copy->destination.level; |
| |
| for (uint32_t i = 0; i < copySplit.count; ++i) { |
| auto& info = copySplit.copies[i]; |
| |
| D3D12_TEXTURE_COPY_LOCATION bufferLocation; |
| bufferLocation.pResource = buffer->GetD3D12Resource().Get(); |
| bufferLocation.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT; |
| bufferLocation.PlacedFootprint.Offset = copySplit.offset; |
| bufferLocation.PlacedFootprint.Footprint.Format = texture->GetD3D12Format(); |
| bufferLocation.PlacedFootprint.Footprint.Width = info.bufferSize.width; |
| bufferLocation.PlacedFootprint.Footprint.Height = info.bufferSize.height; |
| bufferLocation.PlacedFootprint.Footprint.Depth = info.bufferSize.depth; |
| bufferLocation.PlacedFootprint.Footprint.RowPitch = copy->rowPitch; |
| |
| D3D12_BOX sourceRegion; |
| sourceRegion.left = info.bufferOffset.x; |
| sourceRegion.top = info.bufferOffset.y; |
| sourceRegion.front = info.bufferOffset.z; |
| sourceRegion.right = info.bufferOffset.x + info.copySize.width; |
| sourceRegion.bottom = info.bufferOffset.y + info.copySize.height; |
| sourceRegion.back = info.bufferOffset.z + info.copySize.depth; |
| |
| commandList->CopyTextureRegion(&textureLocation, info.textureOffset.x, |
| info.textureOffset.y, info.textureOffset.z, |
| &bufferLocation, &sourceRegion); |
| } |
| } break; |
| |
| case Command::CopyTextureToBuffer: { |
| CopyTextureToBufferCmd* copy = mCommands.NextCommand<CopyTextureToBufferCmd>(); |
| Texture* texture = ToBackend(copy->source.texture.Get()); |
| Buffer* buffer = ToBackend(copy->destination.buffer.Get()); |
| |
| texture->TransitionUsageNow(commandList, dawn::TextureUsageBit::TransferSrc); |
| buffer->TransitionUsageNow(commandList, dawn::BufferUsageBit::TransferDst); |
| |
| auto copySplit = ComputeTextureCopySplit( |
| copy->source.x, copy->source.y, copy->source.z, copy->source.width, |
| copy->source.height, copy->source.depth, |
| static_cast<uint32_t>(TextureFormatPixelSize(texture->GetFormat())), |
| copy->destination.offset, copy->rowPitch); |
| |
| D3D12_TEXTURE_COPY_LOCATION textureLocation; |
| textureLocation.pResource = texture->GetD3D12Resource(); |
| textureLocation.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX; |
| textureLocation.SubresourceIndex = |
| texture->GetNumMipLevels() * copy->source.slice + copy->source.level; |
| |
| for (uint32_t i = 0; i < copySplit.count; ++i) { |
| auto& info = copySplit.copies[i]; |
| |
| D3D12_TEXTURE_COPY_LOCATION bufferLocation; |
| bufferLocation.pResource = buffer->GetD3D12Resource().Get(); |
| bufferLocation.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT; |
| bufferLocation.PlacedFootprint.Offset = copySplit.offset; |
| bufferLocation.PlacedFootprint.Footprint.Format = texture->GetD3D12Format(); |
| bufferLocation.PlacedFootprint.Footprint.Width = info.bufferSize.width; |
| bufferLocation.PlacedFootprint.Footprint.Height = info.bufferSize.height; |
| bufferLocation.PlacedFootprint.Footprint.Depth = info.bufferSize.depth; |
| bufferLocation.PlacedFootprint.Footprint.RowPitch = copy->rowPitch; |
| |
| D3D12_BOX sourceRegion; |
| sourceRegion.left = info.textureOffset.x; |
| sourceRegion.top = info.textureOffset.y; |
| sourceRegion.front = info.textureOffset.z; |
| sourceRegion.right = info.textureOffset.x + info.copySize.width; |
| sourceRegion.bottom = info.textureOffset.y + info.copySize.height; |
| sourceRegion.back = info.textureOffset.z + info.copySize.depth; |
| |
| commandList->CopyTextureRegion(&bufferLocation, info.bufferOffset.x, |
| info.bufferOffset.y, info.bufferOffset.z, |
| &textureLocation, &sourceRegion); |
| } |
| } break; |
| |
| default: { UNREACHABLE(); } break; |
| } |
| } |
| } |
| |
| void CommandBuffer::RecordComputePass(ComPtr<ID3D12GraphicsCommandList> commandList, |
| BindGroupStateTracker* bindingTracker) { |
| PipelineLayout* lastLayout = nullptr; |
| |
| Command type; |
| while (mCommands.NextCommandId(&type)) { |
| switch (type) { |
| case Command::Dispatch: { |
| DispatchCmd* dispatch = mCommands.NextCommand<DispatchCmd>(); |
| commandList->Dispatch(dispatch->x, dispatch->y, dispatch->z); |
| } break; |
| |
| case Command::EndComputePass: { |
| mCommands.NextCommand<EndComputePassCmd>(); |
| return; |
| } break; |
| |
| case Command::SetComputePipeline: { |
| SetComputePipelineCmd* cmd = mCommands.NextCommand<SetComputePipelineCmd>(); |
| ComputePipeline* pipeline = ToBackend(cmd->pipeline).Get(); |
| PipelineLayout* layout = ToBackend(pipeline->GetLayout()); |
| |
| commandList->SetComputeRootSignature(layout->GetRootSignature().Get()); |
| commandList->SetPipelineState(pipeline->GetPipelineState().Get()); |
| |
| bindingTracker->SetInheritedBindGroups(commandList, lastLayout, layout); |
| lastLayout = layout; |
| } break; |
| |
| case Command::SetBindGroup: { |
| SetBindGroupCmd* cmd = mCommands.NextCommand<SetBindGroupCmd>(); |
| BindGroup* group = ToBackend(cmd->group.Get()); |
| bindingTracker->SetBindGroup(commandList, lastLayout, group, cmd->index); |
| } break; |
| |
| default: { UNREACHABLE(); } break; |
| } |
| } |
| } |
| |
| void CommandBuffer::RecordRenderPass(ComPtr<ID3D12GraphicsCommandList> commandList, |
| BindGroupStateTracker* bindingTracker, |
| RenderPassDescriptor* renderPass) { |
| // Clear framebuffer attachments as needed and transition to render target |
| { |
| for (uint32_t i : IterateBitSet(renderPass->GetColorAttachmentMask())) { |
| auto& attachmentInfo = renderPass->GetColorAttachment(i); |
| |
| // Load op - color |
| if (attachmentInfo.loadOp == dawn::LoadOp::Clear) { |
| D3D12_CPU_DESCRIPTOR_HANDLE handle = renderPass->GetRTVDescriptor(i); |
| commandList->ClearRenderTargetView(handle, attachmentInfo.clearColor.data(), 0, |
| nullptr); |
| } |
| } |
| |
| if (renderPass->HasDepthStencilAttachment()) { |
| auto& attachmentInfo = renderPass->GetDepthStencilAttachment(); |
| Texture* texture = ToBackend(attachmentInfo.view->GetTexture()); |
| |
| // Load op - depth/stencil |
| bool doDepthClear = TextureFormatHasDepth(texture->GetFormat()) && |
| (attachmentInfo.depthLoadOp == dawn::LoadOp::Clear); |
| bool doStencilClear = TextureFormatHasStencil(texture->GetFormat()) && |
| (attachmentInfo.stencilLoadOp == dawn::LoadOp::Clear); |
| |
| D3D12_CLEAR_FLAGS clearFlags = {}; |
| if (doDepthClear) { |
| clearFlags |= D3D12_CLEAR_FLAG_DEPTH; |
| } |
| if (doStencilClear) { |
| clearFlags |= D3D12_CLEAR_FLAG_STENCIL; |
| } |
| |
| if (clearFlags) { |
| auto handle = renderPass->GetDSVDescriptor(); |
| // TODO(kainino@chromium.org): investigate: should the Dawn clear |
| // stencil type be uint8_t? |
| uint8_t clearStencil = static_cast<uint8_t>(attachmentInfo.clearStencil); |
| commandList->ClearDepthStencilView( |
| handle, clearFlags, attachmentInfo.clearDepth, clearStencil, 0, nullptr); |
| } |
| } |
| } |
| |
| // Set up render targets |
| { |
| RenderPassDescriptor::OMSetRenderTargetArgs args = |
| renderPass->GetSubpassOMSetRenderTargetArgs(); |
| if (args.dsv.ptr) { |
| commandList->OMSetRenderTargets(args.numRTVs, args.RTVs.data(), FALSE, &args.dsv); |
| } else { |
| commandList->OMSetRenderTargets(args.numRTVs, args.RTVs.data(), FALSE, nullptr); |
| } |
| } |
| |
| // Set up default dynamic state |
| { |
| uint32_t width = renderPass->GetWidth(); |
| uint32_t height = renderPass->GetHeight(); |
| D3D12_VIEWPORT viewport = { |
| 0.f, 0.f, static_cast<float>(width), static_cast<float>(height), 0.f, 1.f}; |
| D3D12_RECT scissorRect = {0, 0, static_cast<long>(width), static_cast<long>(height)}; |
| commandList->RSSetViewports(1, &viewport); |
| commandList->RSSetScissorRects(1, &scissorRect); |
| |
| static constexpr std::array<float, 4> defaultBlendFactor = {0, 0, 0, 0}; |
| commandList->OMSetBlendFactor(&defaultBlendFactor[0]); |
| } |
| |
| RenderPipeline* lastPipeline = nullptr; |
| PipelineLayout* lastLayout = nullptr; |
| |
| Command type; |
| while (mCommands.NextCommandId(&type)) { |
| switch (type) { |
| case Command::EndRenderPass: { |
| mCommands.NextCommand<EndRenderPassCmd>(); |
| return; |
| } break; |
| |
| case Command::DrawArrays: { |
| DrawArraysCmd* draw = mCommands.NextCommand<DrawArraysCmd>(); |
| commandList->DrawInstanced(draw->vertexCount, draw->instanceCount, |
| draw->firstVertex, draw->firstInstance); |
| } break; |
| |
| case Command::DrawElements: { |
| DrawElementsCmd* draw = mCommands.NextCommand<DrawElementsCmd>(); |
| commandList->DrawIndexedInstanced(draw->indexCount, draw->instanceCount, |
| draw->firstIndex, 0, draw->firstInstance); |
| } break; |
| |
| case Command::SetRenderPipeline: { |
| SetRenderPipelineCmd* cmd = mCommands.NextCommand<SetRenderPipelineCmd>(); |
| RenderPipeline* pipeline = ToBackend(cmd->pipeline).Get(); |
| PipelineLayout* layout = ToBackend(pipeline->GetLayout()); |
| |
| commandList->SetGraphicsRootSignature(layout->GetRootSignature().Get()); |
| commandList->SetPipelineState(pipeline->GetPipelineState().Get()); |
| commandList->IASetPrimitiveTopology(pipeline->GetD3D12PrimitiveTopology()); |
| |
| bindingTracker->SetInheritedBindGroups(commandList, lastLayout, layout); |
| |
| lastPipeline = pipeline; |
| lastLayout = layout; |
| } break; |
| |
| case Command::SetStencilReference: { |
| SetStencilReferenceCmd* cmd = mCommands.NextCommand<SetStencilReferenceCmd>(); |
| |
| commandList->OMSetStencilRef(cmd->reference); |
| } break; |
| |
| case Command::SetScissorRect: { |
| SetScissorRectCmd* cmd = mCommands.NextCommand<SetScissorRectCmd>(); |
| D3D12_RECT rect; |
| rect.left = cmd->x; |
| rect.top = cmd->y; |
| rect.right = cmd->x + cmd->width; |
| rect.bottom = cmd->y + cmd->height; |
| |
| commandList->RSSetScissorRects(1, &rect); |
| } break; |
| |
| case Command::SetBlendColor: { |
| SetBlendColorCmd* cmd = mCommands.NextCommand<SetBlendColorCmd>(); |
| commandList->OMSetBlendFactor(static_cast<const FLOAT*>(&cmd->r)); |
| } break; |
| |
| case Command::SetBindGroup: { |
| SetBindGroupCmd* cmd = mCommands.NextCommand<SetBindGroupCmd>(); |
| BindGroup* group = ToBackend(cmd->group.Get()); |
| bindingTracker->SetBindGroup(commandList, lastLayout, group, cmd->index); |
| } break; |
| |
| case Command::SetIndexBuffer: { |
| SetIndexBufferCmd* cmd = mCommands.NextCommand<SetIndexBufferCmd>(); |
| |
| Buffer* buffer = ToBackend(cmd->buffer.Get()); |
| D3D12_INDEX_BUFFER_VIEW bufferView; |
| bufferView.BufferLocation = buffer->GetVA() + cmd->offset; |
| bufferView.SizeInBytes = buffer->GetSize() - cmd->offset; |
| // TODO(cwallez@chromium.org): Make index buffers lazily applied, right now |
| // this will break if the pipeline is changed for one with a different index |
| // format after SetIndexBuffer |
| bufferView.Format = DXGIIndexFormat(lastPipeline->GetIndexFormat()); |
| |
| commandList->IASetIndexBuffer(&bufferView); |
| } break; |
| |
| case Command::SetVertexBuffers: { |
| SetVertexBuffersCmd* cmd = mCommands.NextCommand<SetVertexBuffersCmd>(); |
| auto buffers = mCommands.NextData<Ref<BufferBase>>(cmd->count); |
| auto offsets = mCommands.NextData<uint32_t>(cmd->count); |
| |
| auto inputState = ToBackend(lastPipeline->GetInputState()); |
| |
| std::array<D3D12_VERTEX_BUFFER_VIEW, kMaxVertexInputs> d3d12BufferViews; |
| for (uint32_t i = 0; i < cmd->count; ++i) { |
| auto input = inputState->GetInput(cmd->startSlot + i); |
| Buffer* buffer = ToBackend(buffers[i].Get()); |
| d3d12BufferViews[i].BufferLocation = buffer->GetVA() + offsets[i]; |
| d3d12BufferViews[i].StrideInBytes = input.stride; |
| d3d12BufferViews[i].SizeInBytes = buffer->GetSize() - offsets[i]; |
| } |
| |
| commandList->IASetVertexBuffers(cmd->startSlot, cmd->count, |
| d3d12BufferViews.data()); |
| } break; |
| |
| default: { UNREACHABLE(); } break; |
| } |
| } |
| } |
| |
| }} // namespace dawn_native::d3d12 |
