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#define NOMINMAX
#include <NvCoDx12HelperUtil.h>
#include <external/D3D12/include/d3dx12.h>
#include "pipelineUtilD3D12.h"
#include "bufferD3D12.h"
#include "meshRendererD3D12.h"
#include "../d3d/shaderCommonD3D.h"
// this
#include "lineRenderPipelineD3D12.h"
// Shaders
#include "../d3d/shaders/debugLineVS.hlsl.h"
#include "../d3d/shaders/debugLinePS.hlsl.h"
namespace FlexSample {
static const D3D12_INPUT_ELEMENT_DESC InputElementDescs[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, sizeof(Vec3), D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
};
LineRenderPipelineD3D12::LineRenderPipelineD3D12():
Parent(PRIMITIVE_LINE)
{
}
int LineRenderPipelineD3D12::initialize(const RenderStateD3D12& state, const std::wstring& shadersPath, NvCo::Dx12RenderTarget* shadowMap)
{
using namespace NvCo;
ID3D12Device* device = state.m_device;
// create the pipeline state object
{
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
PipelineUtilD3D::initSolidBlendDesc(psoDesc.BlendState);
PipelineUtilD3D::initRasterizerDesc(FRONT_WINDING_CLOCKWISE, psoDesc.RasterizerState);
{
PipelineUtilD3D::initTargetFormat(nullptr, state.m_renderContext, psoDesc);
psoDesc.InputLayout.NumElements = _countof(InputElementDescs);
psoDesc.InputLayout.pInputElementDescs = InputElementDescs;
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_LINE;
}
//psoDesc.RasterizerState.MultisampleEnable = TRUE;
psoDesc.RasterizerState.FrontCounterClockwise = TRUE;
// create the root signature
ComPtr<ID3D12RootSignature> signiture;
{
CD3DX12_DESCRIPTOR_RANGE ranges[2];
CD3DX12_ROOT_PARAMETER params[3];
UINT rootIndex = 0;
{
D3D12_ROOT_PARAMETER& param = params[rootIndex++];
param.ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
param.Descriptor.ShaderRegister = 0u;
param.Descriptor.RegisterSpace = 0u;
param.ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
}
D3D12_ROOT_SIGNATURE_DESC desc;
desc.NumParameters = rootIndex;
desc.pParameters = params;
desc.NumStaticSamplers = 0u;
desc.pStaticSamplers = nullptr;
desc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
ComPtr<ID3DBlob> sigBlob;
NV_RETURN_ON_FAIL(Dx12HelperUtil::serializeRootSigniture(desc, D3D_ROOT_SIGNATURE_VERSION_1, sigBlob));
NV_RETURN_ON_FAIL(device->CreateRootSignature(0u, sigBlob->GetBufferPointer(), sigBlob->GetBufferSize(), IID_PPV_ARGS(&signiture)));
}
psoDesc.VS = Dx12Blob(g_debugLineVS);
psoDesc.PS = Dx12Blob(g_debugLinePS);
psoDesc.pRootSignature = signiture.Get();
{
PipelineStateD3D12& pipeState = m_states[PIPELINE_STATE_NORMAL];
pipeState.m_rootSignature = signiture.Get();
NV_RETURN_ON_FAIL(device->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&pipeState.m_pipelineState)));
}
{
// Setup for shadow
PipelineUtilD3D::initTargetFormat(shadowMap, nullptr, psoDesc);
PipelineStateD3D12& pipeState = m_states[PIPELINE_STATE_SHADOW];
pipeState.m_rootSignature = signiture.Get();
// In D3D12, debug will warn that render target is not bounded and writes to RTV are discarded. This is the correct behavior as what we want is the depth buffer.
NV_RETURN_ON_FAIL(device->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&pipeState.m_pipelineState)));
}
}
return NV_OK;
}
int LineRenderPipelineD3D12::bind(const void* paramsIn, const void* platformState)
{
const RenderStateD3D12& state = *(RenderStateD3D12*)platformState;
LineDrawParams& params = *(LineDrawParams*)paramsIn;
// Set up constant buffer
NvCo::Dx12CircularResourceHeap::Cursor cursor = state.m_constantHeap->newConstantBuffer(params);
if (!cursor.isValid())
{
return NV_FAIL;
}
PipelineStateD3D12& pipeState = (params.m_drawStage == LINE_DRAW_NORMAL) ? m_states[PIPELINE_STATE_NORMAL] : m_states[PIPELINE_STATE_SHADOW];
if (!pipeState.isValid())
{
return NV_FAIL;
}
ID3D12GraphicsCommandList* commandList = state.m_commandList;
commandList->SetGraphicsRootSignature(pipeState.m_rootSignature.Get());
commandList->SetPipelineState(pipeState.m_pipelineState.Get());
D3D12_GPU_VIRTUAL_ADDRESS cbvHandle = state.m_constantHeap->getGpuHandle(cursor);
commandList->SetGraphicsRootConstantBufferView(0, cbvHandle);
{
ID3D12DescriptorHeap* heaps[] = { state.m_srvCbvUavDescriptorHeap->getHeap() };
commandList->SetDescriptorHeaps(_countof(heaps), heaps);
}
return NV_OK;
}
int LineRenderPipelineD3D12::draw(const RenderAllocation& allocIn, size_t sizeOfAlloc, const void* platformState)
{
return MeshRendererD3D12::defaultDraw(allocIn, sizeOfAlloc, platformState);
}
} // namespace FlexSample
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