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Diffstat (limited to 'examples/hellodevicereset/window.cpp')
| -rw-r--r-- | examples/hellodevicereset/window.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/examples/hellodevicereset/window.cpp b/examples/hellodevicereset/window.cpp new file mode 100644 index 0000000..ff7f313 --- /dev/null +++ b/examples/hellodevicereset/window.cpp @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the examples of the QtD3D12Window module +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * 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. +** * Neither the name of The Qt Company Ltd 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 +** OWNER 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "window.h" +#include "tdr.h" + +void Window::initializeD3D() +{ + f.reset(createFence()); + ID3D12Device *dev = device(); + + if (FAILED(dev->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, commandAllocator(), Q_NULLPTR, + IID_PPV_ARGS(&commandList)))) { + qWarning("Failed to create command list"); + return; + } + commandList->Close(); + + D3D12_DESCRIPTOR_RANGE descRange[2]; + descRange[0].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_CBV; + descRange[0].NumDescriptors = 1; + descRange[0].BaseShaderRegister = 0; + descRange[0].RegisterSpace = 0; + descRange[0].OffsetInDescriptorsFromTableStart = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND; + descRange[1].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_UAV; + descRange[1].NumDescriptors = 1; + descRange[1].BaseShaderRegister = 0; + descRange[1].RegisterSpace = 0; + descRange[1].OffsetInDescriptorsFromTableStart = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND; + + D3D12_ROOT_PARAMETER param; + param.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE; + param.ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL; + param.DescriptorTable.NumDescriptorRanges = 2; + param.DescriptorTable.pDescriptorRanges = descRange; + + D3D12_ROOT_SIGNATURE_DESC desc = {}; + desc.NumParameters = 1; + desc.pParameters = ¶m; + + ComPtr<ID3DBlob> signature; + ComPtr<ID3DBlob> error; + if (FAILED(D3D12SerializeRootSignature(&desc, D3D_ROOT_SIGNATURE_VERSION_1, &signature, &error))) { + QByteArray msg(static_cast<const char *>(error->GetBufferPointer()), error->GetBufferSize()); + qWarning("Failed to serialize compute root signature: %s", qPrintable(msg)); + return; + } + if (FAILED(dev->CreateRootSignature(0, signature->GetBufferPointer(), signature->GetBufferSize(), + IID_PPV_ARGS(&computeRootSignature)))) { + qWarning("Failed to create compute root signature"); + return; + } + + D3D12_COMPUTE_PIPELINE_STATE_DESC psoDesc = {}; + psoDesc.pRootSignature = computeRootSignature.Get(); + psoDesc.CS.pShaderBytecode = g_timeout; + psoDesc.CS.BytecodeLength = sizeof(g_timeout); + + if (FAILED(dev->CreateComputePipelineState(&psoDesc, IID_PPV_ARGS(&computeState)))) { + qWarning("Failed to create compute pipeline state"); + return; + } +} + +void Window::releaseD3D() +{ + // Release all resources. initializeD3D() will get invoked later on. + commandList = Q_NULLPTR; + computeState = Q_NULLPTR; + computeRootSignature = Q_NULLPTR; + f.reset(); +} + +void Window::resizeD3D(const QSize &) +{ +} + +void Window::paintD3D() +{ + commandAllocator()->Reset(); + commandList->Reset(commandAllocator(), Q_NULLPTR); + + transitionResource(backBufferRenderTarget(), commandList.Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET); + + green += 0.01f; + if (green > 1.0f) + green = 0.0f; + const float clearColor[] = { 0.0f, green, 0.0f, 1.0f }; + commandList->ClearRenderTargetView(backBufferRenderTargetCPUHandle(), clearColor, 0, Q_NULLPTR); + + transitionResource(backBufferRenderTarget(), commandList.Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT); + + commandList->Close(); + ID3D12CommandList *commandLists[] = { commandList.Get() }; + commandQueue()->ExecuteCommandLists(_countof(commandLists), commandLists); + + update(); +} + +void Window::afterPresent() +{ + waitForGPU(f.data()); +} + +void Window::timeout() +{ + commandAllocator()->Reset(); + commandList->Reset(commandAllocator(), computeState.Get()); + + commandList->SetComputeRootSignature(computeRootSignature.Get()); + commandList->Dispatch(256, 1, 1); + + commandList->Close(); + ID3D12CommandList *commandLists[] = { commandList.Get() }; + commandQueue()->ExecuteCommandLists(_countof(commandLists), commandLists); + + waitForGPU(f.data()); +} |