Add QD3D12Window, a HLSL qmake rule and 8 examples

Change-Id: Ida7852af10e0236a5d80e95a0876fff6276b410c
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>

5 files changed, 320 insertions, 0 deletions

diff --git a/examples/hellodevicereset/hellodevicereset.pro b/examples/hellodevicereset/hellodevicereset.pro
new file mode 100644
index 0000000..bf95b25
--- /dev/null
+++ b/examples/hellodevicereset/hellodevicereset.pro
@@ -0,0 +1,17 @@
+TEMPLATE = app
+QT += d3d12window widgets
+
+SOURCES = main.cpp window.cpp
+HEADERS = window.h
+
+LIBS = -ld3d12
+
+CS = tdr.hlsl
+
+shader.input = CS
+shader.header = tdr.h
+shader.entry = timeout
+shader.type = cs_5_0
+
+HLSL_SHADERS = shader
+load(hlsl)
diff --git a/examples/hellodevicereset/main.cpp b/examples/hellodevicereset/main.cpp
new file mode 100644
index 0000000..fb301b2
--- /dev/null
+++ b/examples/hellodevicereset/main.cpp
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** 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 <QApplication>
+#include <QWidget>
+#include <QPushButton>
+#include <QVBoxLayout>
+#include <QLabel>
+#include "window.h"
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    Window *d3dw = new Window;
+    QWidget w;
+    QVBoxLayout *vl = new QVBoxLayout;
+    QPushButton *btn = new QPushButton("Generate a timeout and reset the GPU");
+    QObject::connect(btn, &QPushButton::clicked, d3dw, &Window::timeout);
+    vl->addWidget(btn);
+    vl->addWidget(new QLabel("Due to handling device removed errors and correctly releasing and reinitializing,\n"
+                             "the application should be able to survive. Watch the debug output."));
+    QWidget *ww = QWidget::createWindowContainer(d3dw);
+    ww->setMinimumHeight(300);
+    vl->addWidget(ww);
+    vl->setStretchFactor(ww, 1.0f);
+    w.resize(400, 400);
+    w.setLayout(vl);
+    w.show();
+
+    return app.exec();
+}
diff --git a/examples/hellodevicereset/tdr.hlsl b/examples/hellodevicereset/tdr.hlsl
new file mode 100644
index 0000000..f32d4fb
--- /dev/null
+++ b/examples/hellodevicereset/tdr.hlsl
@@ -0,0 +1,11 @@
+// http://gamedev.stackexchange.com/questions/108141/how-can-i-test-dxgi-error-device-removed-error-handling
+
+RWBuffer<uint> uav;
+cbuffer ConstantBuffer { uint zero; }
+
+[numthreads(256, 1, 1)]
+void timeout(uint3 id: SV_DispatchThreadID)
+{
+    while (zero == 0)
+        uav[id.x] = zero;
+}
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 = &param;
+
+    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());
+}
diff --git a/examples/hellodevicereset/window.h b/examples/hellodevicereset/window.h
new file mode 100644
index 0000000..2de75bc
--- /dev/null
+++ b/examples/hellodevicereset/window.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** 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 <QD3D12Window>
+
+class Window : public QD3D12Window
+{
+    Q_OBJECT
+
+public:
+    Window() : green(0) { }
+
+    void initializeD3D() Q_DECL_OVERRIDE;
+    void releaseD3D() Q_DECL_OVERRIDE;
+    void resizeD3D(const QSize &size) Q_DECL_OVERRIDE;
+    void paintD3D() Q_DECL_OVERRIDE;
+    void afterPresent() Q_DECL_OVERRIDE;
+
+public slots:
+    void timeout();
+
+private:
+    void setupProjection();
+
+    QScopedPointer<Fence> f;
+    ComPtr<ID3D12GraphicsCommandList> commandList;
+    ComPtr<ID3D12PipelineState> computeState;
+    ComPtr<ID3D12RootSignature> computeRootSignature;
+
+    float green;
+};