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baldurk
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2019-2020 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#include "d3d12_test.h"
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RD_TEST(D3D12_Large_Buffer, D3D12GraphicsTest)
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{
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static constexpr const char *Description =
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"Draws a triangle over the span of a very large buffer to ensure readbacks work correctly.";
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int main()
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{
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// initialise, create window, create device, etc
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if(!Init())
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return 3;
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ID3DBlobPtr vsblob = Compile(D3DDefaultVertex, "main", "vs_4_0");
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ID3DBlobPtr psblob = Compile(D3DDefaultPixel, "main", "ps_4_0");
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uint32_t indices[3] = {0, 1000000, 2345678};
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ID3D12ResourcePtr ib = MakeBuffer().Data(indices);
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ID3D12ResourcePtr vb = MakeBuffer().Size(128 * 1024 * 1024).Upload();
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D3D12_RANGE range = {0, 0};
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byte *ptr = NULL;
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CHECK_HR(vb->Map(0, &range, (void **)&ptr));
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DefaultA2V *verts = (DefaultA2V *)ptr;
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verts[indices[0]] = DefaultTri[0];
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verts[indices[1]] = DefaultTri[1];
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verts[indices[2]] = DefaultTri[2];
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range.End = vb->GetDesc().Width;
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vb->Unmap(0, &range);
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ID3D12RootSignaturePtr sig = MakeSig({});
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ID3D12PipelineStatePtr pso = MakePSO().RootSig(sig).InputLayout().VS(vsblob).PS(psblob);
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ID3D12ResourcePtr rtvtex = MakeTexture(DXGI_FORMAT_R32G32B32A32_FLOAT, 4, 4)
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.RTV()
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.InitialState(D3D12_RESOURCE_STATE_RENDER_TARGET);
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while(Running())
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{
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ID3D12GraphicsCommandListPtr cmd = GetCommandBuffer();
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Reset(cmd);
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ID3D12ResourcePtr bb = StartUsingBackbuffer(cmd, D3D12_RESOURCE_STATE_RENDER_TARGET);
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D3D12_CPU_DESCRIPTOR_HANDLE rtv =
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MakeRTV(bb).Format(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB).CreateCPU(0);
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ClearRenderTargetView(cmd, rtv, {0.2f, 0.2f, 0.2f, 1.0f});
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ClearRenderTargetView(cmd, MakeRTV(rtvtex).CreateCPU(1), {0.2f, 0.2f, 0.2f, 1.0f});
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cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
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IASetVertexBuffer(cmd, vb, sizeof(DefaultA2V), 0);
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IASetIndexBuffer(cmd, ib, DXGI_FORMAT_R32_UINT, 0);
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cmd->SetPipelineState(pso);
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cmd->SetGraphicsRootSignature(sig);
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RSSetViewport(cmd, {0.0f, 0.0f, (float)screenWidth, (float)screenHeight, 0.0f, 1.0f});
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RSSetScissorRect(cmd, {0, 0, screenWidth, screenHeight});
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OMSetRenderTargets(cmd, {rtv}, {});
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cmd->DrawIndexedInstanced(3, 1, 0, 0, 0);
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FinishUsingBackbuffer(cmd, D3D12_RESOURCE_STATE_RENDER_TARGET);
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cmd->Close();
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Submit({cmd});
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Present();
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}
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return 0;
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}
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};
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REGISTER_TEST();
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