aboutsummaryrefslogtreecommitdiff
path: root/demo/d3d12/diffusePointRenderPipelineD3D12.cpp
diff options
context:
space:
mode:
authorMiles Macklin <[email protected]>2017-06-09 13:41:15 +1200
committerMiles Macklin <[email protected]>2017-06-09 13:41:15 +1200
commit688b5f42e9bfe498d7af7075d4d8f4429867f3a3 (patch)
tree7e0d0e7c95298f0418723abd92f61ac6e16b055e /demo/d3d12/diffusePointRenderPipelineD3D12.cpp
parentUpdate README.md (diff)
downloadflex-688b5f42e9bfe498d7af7075d4d8f4429867f3a3.tar.xz
flex-688b5f42e9bfe498d7af7075d4d8f4429867f3a3.zip
1.2.0.beta.11.2.0.beta.1
Diffstat (limited to 'demo/d3d12/diffusePointRenderPipelineD3D12.cpp')
-rw-r--r--demo/d3d12/diffusePointRenderPipelineD3D12.cpp223
1 files changed, 223 insertions, 0 deletions
diff --git a/demo/d3d12/diffusePointRenderPipelineD3D12.cpp b/demo/d3d12/diffusePointRenderPipelineD3D12.cpp
new file mode 100644
index 0000000..3641a36
--- /dev/null
+++ b/demo/d3d12/diffusePointRenderPipelineD3D12.cpp
@@ -0,0 +1,223 @@
+#define NOMINMAX
+
+#include <NvCoDx12HelperUtil.h>
+
+#include <external/D3D12/include/d3dx12.h>
+
+#include "pipelineUtilD3D12.h"
+#include "bufferD3D12.h"
+#include "meshRendererD3D12.h"
+#include "../d3d/shaderCommonD3D.h"
+
+// Shaders
+#include "../d3d/shaders/diffuseVS.hlsl.h"
+#include "../d3d/shaders/diffuseGS.hlsl.h"
+#include "../d3d/shaders/diffusePS.hlsl.h"
+
+// this
+#include "diffusePointRenderPipelineD3D12.h"
+
+namespace FlexSample {
+
+static const D3D12_INPUT_ELEMENT_DESC InputElementDescs[] =
+{
+ { "POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
+ { "VELOCITY", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 1, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
+};
+
+DiffusePointRenderPipelineD3D12::DiffusePointRenderPipelineD3D12():
+ Parent(PRIMITIVE_POINT),
+ m_shadowMapLinearSamplerIndex(-1)
+{
+}
+
+static D3D12_FILL_MODE _getFillMode(DiffusePointRenderPipelineD3D12::PipelineStateType type)
+{
+ return D3D12_FILL_MODE_SOLID;
+}
+
+static D3D12_CULL_MODE _getCullMode(DiffusePointRenderPipelineD3D12::PipelineStateType type)
+{
+ return D3D12_CULL_MODE_NONE;
+}
+
+static void _initRasterizerDesc(DiffusePointRenderPipelineD3D12::PipelineStateType type, D3D12_RASTERIZER_DESC& desc)
+{
+ PipelineUtilD3D::initRasterizerDesc(FRONT_WINDING_COUNTER_CLOCKWISE, desc);
+ desc.FillMode = _getFillMode(type);
+ desc.CullMode = _getCullMode(type);
+}
+
+static void _initPipelineStateDesc(DiffusePointRenderPipelineD3D12::PipelineStateType type, NvCo::Dx12RenderTarget* shadowMap, AppGraphCtxD3D12* renderContext, D3D12_GRAPHICS_PIPELINE_STATE_DESC& psoDesc)
+{
+ PipelineUtilD3D::initTargetFormat(nullptr, renderContext, psoDesc);
+
+ // Z test, but don't write
+ {
+ D3D12_DEPTH_STENCIL_DESC& desc = psoDesc.DepthStencilState;
+ desc.DepthEnable = TRUE;
+ desc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ZERO;
+ desc.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
+ }
+
+ psoDesc.InputLayout.NumElements = _countof(InputElementDescs);
+ psoDesc.InputLayout.pInputElementDescs = InputElementDescs;
+ psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_POINT;
+}
+
+int DiffusePointRenderPipelineD3D12::initialize(const RenderStateD3D12& state, const std::wstring& shadersPath, int shadowMapLinearSamplerIndex, NvCo::Dx12RenderTarget* shadowMap)
+{
+ using namespace NvCo;
+ ID3D12Device* device = state.m_device;
+
+ m_shadowMapLinearSamplerIndex = shadowMapLinearSamplerIndex;
+
+ // create the pipeline state object
+ {
+ D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
+ {
+ // create blend state
+ D3D12_BLEND_DESC& desc = psoDesc.BlendState;
+ desc.AlphaToCoverageEnable = FALSE;
+ desc.IndependentBlendEnable = FALSE;
+ {
+ const D3D12_RENDER_TARGET_BLEND_DESC defaultRenderTargetBlendDesc =
+ {
+ TRUE,FALSE,
+ D3D12_BLEND_ONE, D3D12_BLEND_INV_SRC_ALPHA, D3D12_BLEND_OP_ADD,
+ D3D12_BLEND_ONE, D3D12_BLEND_INV_SRC_ALPHA, D3D12_BLEND_OP_ADD,
+ D3D12_LOGIC_OP_NOOP,
+ D3D12_COLOR_WRITE_ENABLE_ALL,
+ };
+ for (UINT i = 0; i < D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; ++i)
+ desc.RenderTarget[i] = defaultRenderTargetBlendDesc;
+ }
+ }
+
+
+ // 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_diffuseVS);
+ psoDesc.GS = Dx12Blob(g_diffuseGS);
+ psoDesc.PS = Dx12Blob(g_diffusePS);
+
+ NV_RETURN_ON_FAIL(_initPipelineState(state, shadowMap, PIPELINE_STATE_LIGHT_SOLID, signiture.Get(), psoDesc));
+ }
+ }
+
+ return NV_OK;
+}
+
+int DiffusePointRenderPipelineD3D12::_initPipelineState(const RenderStateD3D12& state, NvCo::Dx12RenderTarget* shadowMap, PipelineStateType pipeType, ID3D12RootSignature* signiture, D3D12_GRAPHICS_PIPELINE_STATE_DESC& psoDesc)
+{
+ ID3D12Device* device = state.m_device;
+
+ _initRasterizerDesc(pipeType, psoDesc.RasterizerState);
+ _initPipelineStateDesc(pipeType, shadowMap, state.m_renderContext, psoDesc);
+
+ psoDesc.pRootSignature = signiture;
+
+ PipelineStateD3D12& pipeState = m_states[pipeType];
+ pipeState.m_rootSignature = signiture;
+
+ NV_RETURN_ON_FAIL(device->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&pipeState.m_pipelineState)));
+ return NV_OK;
+}
+
+int DiffusePointRenderPipelineD3D12::bind(const void* paramsIn, const void* platformState)
+{
+ const RenderStateD3D12& state = *(RenderStateD3D12*)platformState;
+ const DiffuseDrawParamsD3D& params = *(DiffuseDrawParamsD3D*)paramsIn;
+
+ // Set up constant buffer
+ NvCo::Dx12CircularResourceHeap::Cursor cursor;
+ {
+ Hlsl::DiffuseShaderConst constBuf;
+ RenderParamsUtilD3D::calcDiffuseConstantBuffer(params, constBuf);
+ cursor = state.m_constantHeap->newConstantBuffer(constBuf);
+ if (!cursor.isValid())
+ {
+ return NV_FAIL;
+ }
+ }
+
+ const PipelineStateType pipeType = PIPELINE_STATE_LIGHT_SOLID;
+ PipelineStateD3D12& pipeState = m_states[pipeType];
+ 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 DiffusePointRenderPipelineD3D12::draw(const RenderAllocation& allocIn, size_t sizeOfAlloc, const void* platformState)
+{
+ typedef PointRenderAllocationD3D12 Alloc;
+ const RenderStateD3D12& state = *(RenderStateD3D12*)platformState;
+
+ assert(sizeof(Alloc) == sizeOfAlloc);
+ const Alloc& alloc = static_cast<const Alloc&>(allocIn);
+
+ assert(alloc.m_numPrimitives >= 0);
+
+ ID3D12GraphicsCommandList* commandList = state.m_commandList;
+ D3D12_VERTEX_BUFFER_VIEW vertexBufferViews[] =
+ {
+ alloc.m_vertexBufferViews[Alloc::VERTEX_VIEW_POSITION],
+ alloc.m_vertexBufferViews[Alloc::VERTEX_VIEW_ANISOTROPY1], // Actually holds velocity
+ };
+
+ commandList->IASetVertexBuffers(0, _countof(vertexBufferViews), vertexBufferViews);
+ commandList->IASetIndexBuffer(&alloc.m_indexBufferView);
+ commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_POINTLIST);
+
+ if (alloc.m_indexBufferView.SizeInBytes)
+ {
+ commandList->DrawIndexedInstanced((UINT)allocIn.m_numPrimitives, 1, 0, 0, 0);
+ }
+ else
+ {
+ commandList->DrawInstanced((UINT)allocIn.m_numPrimitives, 1, 0, 0);
+ }
+ return NV_OK;
+}
+
+} // namespace FlexSample \ No newline at end of file