void SetDescriptorHeaps(ID3D12GraphicsCommandList* cmdList)
{
ID3D12DescriptorHeap* heaps[] =
{
SRVDescriptorHeap.CurrentHeap(),
};
cmdList->SetDescriptorHeaps(ArraySize_(heaps), heaps);
}
void PostProcessHelper::Initialize()
{
// Load the shaders
std::wstring fullScreenTriPath = SampleFrameworkDir() + L"Shaders\\FullScreenTriangle.hlsl";
fullScreenTriVS = CompileFromFile(fullScreenTriPath.c_str(), "FullScreenTriangleVS", ShaderType::Vertex);
{
D3D12_ROOT_PARAMETER1 rootParameters[NumRootParams] = {};
rootParameters[RootParam_StandardDescriptors].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
rootParameters[RootParam_StandardDescriptors].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
rootParameters[RootParam_StandardDescriptors].DescriptorTable.pDescriptorRanges = DX12::StandardDescriptorRanges();
rootParameters[RootParam_StandardDescriptors].DescriptorTable.NumDescriptorRanges = DX12::NumStandardDescriptorRanges;
rootParameters[RootParam_SRVIndices].ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
rootParameters[RootParam_SRVIndices].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
rootParameters[RootParam_SRVIndices].Descriptor.RegisterSpace = 0;
rootParameters[RootParam_SRVIndices].Descriptor.ShaderRegister = 0;
rootParameters[RootParam_AppSettings].ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
rootParameters[RootParam_AppSettings].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
rootParameters[RootParam_AppSettings].Descriptor.RegisterSpace = 0;
rootParameters[RootParam_AppSettings].Descriptor.ShaderRegister = AppSettings::CBufferRegister;
D3D12_STATIC_SAMPLER_DESC staticSamplers[4] = {};
staticSamplers[0] = DX12::GetStaticSamplerState(SamplerState::Point, 0);
staticSamplers[1] = DX12::GetStaticSamplerState(SamplerState::LinearClamp, 1);
staticSamplers[2] = DX12::GetStaticSamplerState(SamplerState::Linear, 2);
staticSamplers[3] = DX12::GetStaticSamplerState(SamplerState::LinearBorder, 3);
D3D12_ROOT_SIGNATURE_DESC1 rootSignatureDesc = {};
rootSignatureDesc.NumParameters = ArraySize_(rootParameters);
rootSignatureDesc.pParameters = rootParameters;
rootSignatureDesc.NumStaticSamplers = ArraySize_(staticSamplers);
rootSignatureDesc.pStaticSamplers = staticSamplers;
rootSignatureDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_NONE;
DX12::CreateRootSignature(&rootSignature, rootSignatureDesc);
rootSignature->SetName(L"PostProcessHelper");
}
}
void Shutdown_Upload()
{
for(uint64 i = 0; i < ArraySize_(TempFrameBuffers); ++i)
Release(TempFrameBuffers[i]);
Release(UploadCmdList);
Release(UploadBuffer);
Release(UploadCmdQueue);
UploadFence.Shutdown();
for(uint64 i = 0; i < MaxUploadSubmissions; ++i)
Release(UploadSubmissions[i].CmdAllocator);
Release(convertCmdAllocator);
Release(convertCmdList);
Release(convertCmdQueue);
Release(convertPSO);
Release(convertArrayPSO);
Release(convertRootSignature);
convertFence.Shutdown();
Release(readbackCmdAllocator);
Release(readbackCmdList);
readbackFence.Shutdown();
}
// Renders all meshes in the model, with shadows
void MeshRenderer::RenderMainPass(ID3D11DeviceContext* context, const Camera& camera)
{
PIXEvent event(L"Mesh Rendering");
// Set states
float blendFactor[4] = {1, 1, 1, 1};
context->OMSetBlendState(blendStates.BlendDisabled(), blendFactor, 0xFFFFFFFF);
context->OMSetDepthStencilState(depthStencilStates.DepthEnabled(), 0);
context->RSSetState(rasterizerStates.BackFaceCull());
ID3D11SamplerState* sampStates[] = {
samplerStates.Anisotropic(),
evsmSampler,
samplerStates.LinearClamp(),
samplerStates.ReversedShadowMapPCF(),
};
context->PSSetSamplers(0, ArraySize_(sampStates), sampStates);
// Set constant buffers
meshVSConstants.Data.World = Float4x4();
meshVSConstants.Data.View = Float4x4::Transpose(camera.ViewMatrix());
meshVSConstants.Data.WorldViewProjection = Float4x4::Transpose(camera.ViewProjectionMatrix());
meshVSConstants.ApplyChanges(context);
meshVSConstants.SetVS(context, 0);
meshPSConstants.Data.SunDirectionWS = AppSettings::SunDirection;
meshPSConstants.Data.SunIlluminance = AppSettings::SunIlluminance();
meshPSConstants.Data.CosSunAngularRadius = std::cos(DegToRad(AppSettings::SunSize) / 2.0f);
meshPSConstants.Data.SinSunAngularRadius = std::sin(DegToRad(AppSettings::SunSize) / 2.0f);
meshPSConstants.Data.CameraPosWS = camera.Position();
meshPSConstants.ApplyChanges(context);
meshPSConstants.SetPS(context, 0);
shadowConstants.Data.PositiveExponent = PositiveExponent;
shadowConstants.Data.NegativeExponent = NegativeExponent;
shadowConstants.Data.LightBleedingReduction = LightBleedingReduction;
shadowConstants.ApplyChanges(context);
shadowConstants.SetPS(context, 1);
// Set shaders
context->DSSetShader(nullptr, nullptr, 0);
context->HSSetShader(nullptr, nullptr, 0);
context->GSSetShader(nullptr, nullptr, 0);
context->VSSetShader(meshVS, nullptr, 0);
context->PSSetShader(meshPS, nullptr, 0);
// Draw all meshes
for(uint64 meshIdx = 0; meshIdx < sceneModel->Meshes().size(); ++meshIdx)
{
const Mesh& mesh = sceneModel->Meshes()[meshIdx];
// Set the vertices and indices
ID3D11Buffer* vertexBuffers[1] = { mesh.VertexBuffer() };
UINT vertexStrides[1] = { mesh.VertexStride() };
UINT offsets[1] = { 0 };
context->IASetVertexBuffers(0, 1, vertexBuffers, vertexStrides, offsets);
context->IASetIndexBuffer(mesh.IndexBuffer(), mesh.IndexBufferFormat(), 0);
context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
// Set the input layout
context->IASetInputLayout(meshInputLayouts[meshIdx]);
// Draw all parts
for(uint64 partIdx = 0; partIdx < mesh.MeshParts().size(); ++partIdx)
{
const MeshPart& part = mesh.MeshParts()[partIdx];
const MeshMaterial& material = sceneModel->Materials()[part.MaterialIdx];
// Set the textures
ID3D11ShaderResourceView* psTextures[] =
{
material.DiffuseMap,
material.NormalMap,
sunVSM.SRView,
};
context->PSSetShaderResources(0, ArraySize_(psTextures), psTextures);
context->DrawIndexed(part.IndexCount, part.IndexStart, 0);
}
}
ID3D11ShaderResourceView* nullSRVs[8] = { NULL };
context->PSSetShaderResources(0, 8, nullSRVs);
}
"16730939319872750275468906903707539413042652315011",
"94809377245048795150954100921645863754710598436791",
"78639167021187492431995700641917969777599028300699",
"15368713711936614952811305876380278410754449733078",
"40789923115535562561142322423255033685442488917353",
"44889911501440648020369068063960672322193204149535",
"41503128880339536053299340368006977710650566631954",
"81234880673210146739058568557934581403627822703280",
"82616570773948327592232845941706525094512325230608",
"22918802058777319719839450180888072429661980811197",
"77158542502016545090413245809786882778948721859617",
"72107838435069186155435662884062257473692284509516",
"20849603980134001723930671666823555245252804609722",
"53503534226472524250874054075591789781264330331690",
};
static const uint32 kNumbersSize = ArraySize_(kNumbers);
static cpointer kAnswer = "5537376230390876637302048746832985971773659831892672";
// ================================================================================================
// Problem 13
// ================================================================================================
sint32 Problem13() {
CBigInt sum;
for(uintn i = 0; i < kNumbersSize; ++i)
sum += CBigInt(kNumbers[i]);
// -- iterate over the ten most significant digits
uintn numdigits = sum.NumDigits();
Assert_(numdigits >= 10, "Not enough digits : " UintNFmt_, numdigits);
flagn correct = true;
for(uintn i = numdigits; i > 0; --i) {
void ConvertAndReadbackTexture(const Texture& texture, DXGI_FORMAT outputFormat, ReadbackBuffer& readbackBuffer)
{
Assert_(convertCmdList != nullptr);
Assert_(texture.Valid());
Assert_(texture.Depth == 1);
// Create a buffer for the CS to write flattened, converted texture data into
FormattedBufferInit init;
init.Format = outputFormat;
init.NumElements = texture.Width * texture.Height * texture.ArraySize;
init.CreateUAV = true;
FormattedBuffer convertBuffer;
convertBuffer.Initialize(init);
convertBuffer.Transition(convertCmdList, D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE, D3D12_RESOURCE_STATE_UNORDERED_ACCESS);
// Run the conversion compute shader
DX12::SetDescriptorHeaps(convertCmdList);
convertCmdList->SetComputeRootSignature(convertRootSignature);
convertCmdList->SetPipelineState(texture.ArraySize > 1 ? convertArrayPSO : convertPSO);
D3D12_CPU_DESCRIPTOR_HANDLE descriptors[2] = { texture.SRV.CPUHandle, convertBuffer.UAV() };
BindShaderResources(convertCmdList, 0, ArraySize_(descriptors), descriptors, CmdListMode::Compute, ShaderResourceType::SRV_UAV_CBV);
uint32 dispatchX = DispatchSize(convertTGSize, texture.Width);
uint32 dispatchY = DispatchSize(convertTGSize, texture.Height);
uint32 dispatchZ = texture.ArraySize;
convertCmdList->Dispatch(dispatchX, dispatchY, dispatchZ);
convertBuffer.Transition(convertCmdList, D3D12_RESOURCE_STATE_UNORDERED_ACCESS, D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE);
// Execute the conversion command list and signal a fence
DXCall(convertCmdList->Close());
ID3D12CommandList* cmdLists[1] = { convertCmdList };
convertCmdQueue->ExecuteCommandLists(1, cmdLists);
convertFence.Signal(convertCmdQueue, 1);
// Have the readback wait for conversion finish, and then have it copy the data to a readback buffer
ID3D12CommandQueue* readbackQueue = UploadCmdQueue;
readbackQueue->Wait(convertFence.D3DFence, 1);
readbackBuffer.Shutdown();
readbackBuffer.Initialize(convertBuffer.InternalBuffer.Size);
readbackCmdList->CopyResource(readbackBuffer.Resource, convertBuffer.InternalBuffer.Resource);
// Execute the readback command list and signal a fence
DXCall(readbackCmdList->Close());
cmdLists[0] = readbackCmdList;
readbackQueue->ExecuteCommandLists(1, cmdLists);
readbackFence.Signal(readbackQueue, 1);
readbackFence.Wait(1);
// Clean up
convertFence.Clear(0);
readbackFence.Clear(0);
DXCall(convertCmdAllocator->Reset());
DXCall(convertCmdList->Reset(convertCmdAllocator, nullptr));
DXCall(readbackCmdAllocator->Reset());
DXCall(readbackCmdList->Reset(readbackCmdAllocator, nullptr));
convertBuffer.Shutdown();
}
void Initialize_Upload()
{
for(uint64 i = 0; i < MaxUploadSubmissions; ++i)
DXCall(Device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_COPY, IID_PPV_ARGS(&UploadSubmissions[i].CmdAllocator)));
DXCall(Device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_COPY, UploadSubmissions[0].CmdAllocator, nullptr, IID_PPV_ARGS(&UploadCmdList)));
DXCall(UploadCmdList->Close());
D3D12_COMMAND_QUEUE_DESC queueDesc = { };
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_COPY;
DXCall(Device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&UploadCmdQueue)));
UploadFence.Init(0);
D3D12_RESOURCE_DESC resourceDesc = { };
resourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
resourceDesc.Width = uint32(UploadBufferSize);
resourceDesc.Height = 1;
resourceDesc.DepthOrArraySize = 1;
resourceDesc.MipLevels = 1;
resourceDesc.Format = DXGI_FORMAT_UNKNOWN;
resourceDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
resourceDesc.SampleDesc.Count = 1;
resourceDesc.SampleDesc.Quality = 0;
resourceDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
resourceDesc.Alignment = 0;
DXCall(Device->CreateCommittedResource(DX12::GetUploadHeapProps(), D3D12_HEAP_FLAG_NONE, &resourceDesc,
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&UploadBuffer)));
D3D12_RANGE readRange = { };
DXCall(UploadBuffer->Map(0, &readRange, reinterpret_cast<void**>(&UploadBufferCPUAddr)));
// Temporary buffer memory that swaps every frame
resourceDesc.Width = uint32(TempBufferSize);
for(uint64 i = 0; i < RenderLatency; ++i)
{
DXCall(Device->CreateCommittedResource(DX12::GetUploadHeapProps(), D3D12_HEAP_FLAG_NONE, &resourceDesc,
D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&TempFrameBuffers[i])));
DXCall(TempFrameBuffers[i]->Map(0, &readRange, reinterpret_cast<void**>(&TempFrameCPUMem[i])));
TempFrameGPUMem[i] = TempFrameBuffers[i]->GetGPUVirtualAddress();
}
// Texture conversion resources
DXCall(Device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_COMPUTE, IID_PPV_ARGS(&convertCmdAllocator)));
DXCall(Device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_COMPUTE, convertCmdAllocator, nullptr, IID_PPV_ARGS(&convertCmdList)));
DXCall(convertCmdList->Close());
DXCall(convertCmdList->Reset(convertCmdAllocator, nullptr));
D3D12_COMMAND_QUEUE_DESC convertQueueDesc = {};
convertQueueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
convertQueueDesc.Type = D3D12_COMMAND_LIST_TYPE_COMPUTE;
DXCall(Device->CreateCommandQueue(&convertQueueDesc, IID_PPV_ARGS(&convertCmdQueue)));
CompileOptions opts;
opts.Add("TGSize_", convertTGSize);
const std::wstring shaderPath = SampleFrameworkDir() + L"Shaders\\DecodeTextureCS.hlsl";
convertCS = CompileFromFile(shaderPath.c_str(), "DecodeTextureCS", ShaderType::Compute, ShaderProfile::SM51, opts);
convertArrayCS = CompileFromFile(shaderPath.c_str(), "DecodeTextureArrayCS", ShaderType::Compute, ShaderProfile::SM51, opts);
{
D3D12_DESCRIPTOR_RANGE ranges[2] = {};
ranges[0].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
ranges[0].NumDescriptors = 1;
ranges[0].BaseShaderRegister = 0;
ranges[0].RegisterSpace = 0;
ranges[0].OffsetInDescriptorsFromTableStart = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND;
ranges[1].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_UAV;
ranges[1].NumDescriptors = 1;
ranges[1].BaseShaderRegister = 0;
ranges[1].RegisterSpace = 0;
ranges[1].OffsetInDescriptorsFromTableStart = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND;
D3D12_ROOT_PARAMETER rootParameters[1] = {};
rootParameters[0].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
rootParameters[0].ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
rootParameters[0].DescriptorTable.pDescriptorRanges = ranges;
rootParameters[0].DescriptorTable.NumDescriptorRanges = ArraySize_(ranges);
D3D12_ROOT_SIGNATURE_DESC rootSignatureDesc = {};
rootSignatureDesc.NumParameters = ArraySize_(rootParameters);
rootSignatureDesc.pParameters = rootParameters;
rootSignatureDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_NONE;
DX12::CreateRootSignature(&convertRootSignature, rootSignatureDesc);
}
{
D3D12_COMPUTE_PIPELINE_STATE_DESC psoDesc = { };
psoDesc.CS = convertCS.ByteCode();
psoDesc.pRootSignature = convertRootSignature;
psoDesc.Flags = D3D12_PIPELINE_STATE_FLAG_NONE;
Device->CreateComputePipelineState(&psoDesc, IID_PPV_ARGS(&convertPSO));
psoDesc.CS = convertArrayCS.ByteCode();
Device->CreateComputePipelineState(&psoDesc, IID_PPV_ARGS(&convertArrayPSO));
}
convertFence.Init(0);
// Readback resources
DXCall(Device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_COPY, IID_PPV_ARGS(&readbackCmdAllocator)));
DXCall(Device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_COPY, readbackCmdAllocator, nullptr, IID_PPV_ARGS(&readbackCmdList)));
DXCall(readbackCmdList->Close());
DXCall(readbackCmdList->Reset(readbackCmdAllocator, nullptr));
readbackFence.Init(0);
}
D3D12_STATIC_SAMPLER_DESC GetStaticSamplerState(SamplerState samplerState, uint32 shaderRegister,
uint32 registerSpace, D3D12_SHADER_VISIBILITY visibility)
{
Assert_(uint64(samplerState) < ArraySize_(SamplerStateDescs));
return ConvertToStaticSampler(SamplerStateDescs[uint64(samplerState)], shaderRegister, registerSpace, visibility);
}
D3D12_SAMPLER_DESC GetSamplerState(SamplerState samplerState)
{
Assert_(uint64(samplerState) < ArraySize_(SamplerStateDescs));
return SamplerStateDescs[uint64(samplerState)];
}
D3D12_DEPTH_STENCIL_DESC GetDepthState(DepthState depthState)
{
Assert_(uint64(depthState) < ArraySize_(DepthStateDescs));
return DepthStateDescs[uint64(depthState)];
}
D3D12_RASTERIZER_DESC GetRasterizerState(RasterizerState rasterizerState)
{
Assert_(uint64(rasterizerState) < ArraySize_(RasterizerStateDescs));
return RasterizerStateDescs[uint64(rasterizerState)];
}
D3D12_BLEND_DESC GetBlendState(BlendState blendState)
{
Assert_(uint64(blendState) < ArraySize_(BlendStateDescs));
return BlendStateDescs[uint64(blendState)];
}
namespace DX12
{
uint32 RTVDescriptorSize = 0;
uint32 SRVDescriptorSize = 0;
uint32 UAVDescriptorSize = 0;
uint32 CBVDescriptorSize = 0;
uint32 DSVDescriptorSize = 0;
DescriptorHeap RTVDescriptorHeap;
DescriptorHeap SRVDescriptorHeap;
DescriptorHeap DSVDescriptorHeap;
DescriptorHeap UAVDescriptorHeap;
uint32 NullTexture2DSRV = uint32(-1);
static const uint64 NumBlendStates = uint64(BlendState::NumValues);
static const uint64 NumRasterizerStates = uint64(RasterizerState::NumValues);
static const uint64 NumDepthStates = uint64(DepthState::NumValues);
static const uint64 NumSamplerStates = uint64(SamplerState::NumValues);
static D3D12_BLEND_DESC BlendStateDescs[NumBlendStates] = { };
static D3D12_RASTERIZER_DESC RasterizerStateDescs[NumRasterizerStates] = { };
static D3D12_DEPTH_STENCIL_DESC DepthStateDescs[NumBlendStates] = { };
static D3D12_SAMPLER_DESC SamplerStateDescs[NumSamplerStates] = { };
static D3D12_DESCRIPTOR_RANGE1 StandardDescriptorRangeDescs[NumStandardDescriptorRanges] = { };
void Initialize_Helpers()
{
RTVDescriptorHeap.Init(256, 0, D3D12_DESCRIPTOR_HEAP_TYPE_RTV, false);
SRVDescriptorHeap.Init(1024, 1024, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, true);
DSVDescriptorHeap.Init(256, 0, D3D12_DESCRIPTOR_HEAP_TYPE_DSV, false);
UAVDescriptorHeap.Init(256, 0, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, false);
RTVDescriptorSize = RTVDescriptorHeap.DescriptorSize;
SRVDescriptorSize = UAVDescriptorSize = CBVDescriptorSize = SRVDescriptorHeap.DescriptorSize;
DSVDescriptorSize = DSVDescriptorHeap.DescriptorSize;
// Standard descriptor ranges for binding to the arrays in DescriptorTables.hlsl
InsertStandardDescriptorRanges(StandardDescriptorRangeDescs);
// Blend state initialization
{
D3D12_BLEND_DESC& blendDesc = BlendStateDescs[uint64(BlendState::Disabled)];
blendDesc.RenderTarget[0].BlendEnable = false;
blendDesc.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC_ALPHA;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
blendDesc.RenderTarget[0].SrcBlend = D3D12_BLEND_SRC_ALPHA;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_ONE;
}
{
D3D12_BLEND_DESC& blendDesc = BlendStateDescs[uint64(BlendState::Additive)];
blendDesc.RenderTarget[0].BlendEnable = true;
blendDesc.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].DestBlend = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
blendDesc.RenderTarget[0].SrcBlend = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_ONE;
}
{
D3D12_BLEND_DESC& blendDesc = BlendStateDescs[uint64(BlendState::AlphaBlend)];
blendDesc.RenderTarget[0].BlendEnable = true;
blendDesc.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC_ALPHA;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
blendDesc.RenderTarget[0].SrcBlend = D3D12_BLEND_SRC_ALPHA;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_ONE;
}
{
D3D12_BLEND_DESC& blendDesc = BlendStateDescs[uint64(BlendState::PreMultiplied)];
blendDesc.RenderTarget[0].BlendEnable = false;
blendDesc.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC_ALPHA;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
blendDesc.RenderTarget[0].SrcBlend = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_ONE;
}
{
D3D12_BLEND_DESC& blendDesc = BlendStateDescs[uint64(BlendState::NoColorWrites)];
blendDesc.RenderTarget[0].BlendEnable = false;
blendDesc.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC_ALPHA;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].RenderTargetWriteMask = 0;
blendDesc.RenderTarget[0].SrcBlend = D3D12_BLEND_SRC_ALPHA;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_ONE;
}
{
D3D12_BLEND_DESC& blendDesc = BlendStateDescs[uint64(BlendState::PreMultipliedRGB)];
blendDesc.RenderTarget[0].BlendEnable = true;
blendDesc.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD;
blendDesc.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC1_COLOR;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
blendDesc.RenderTarget[0].SrcBlend = D3D12_BLEND_ONE;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_ONE;
}
// Rasterizer state initialization
{
D3D12_RASTERIZER_DESC& rastDesc = RasterizerStateDescs[uint64(RasterizerState::NoCull)];
rastDesc.CullMode = D3D12_CULL_MODE_NONE;
rastDesc.DepthClipEnable = true;
rastDesc.FillMode = D3D12_FILL_MODE_SOLID;
rastDesc.MultisampleEnable = true;
}
{
D3D12_RASTERIZER_DESC& rastDesc = RasterizerStateDescs[uint64(RasterizerState::FrontFaceCull)];
rastDesc.CullMode = D3D12_CULL_MODE_FRONT;
rastDesc.DepthClipEnable = true;
rastDesc.FillMode = D3D12_FILL_MODE_SOLID;
rastDesc.MultisampleEnable = true;
}
{
D3D12_RASTERIZER_DESC& rastDesc = RasterizerStateDescs[uint64(RasterizerState::BackFaceCull)];
rastDesc.CullMode = D3D12_CULL_MODE_BACK;
rastDesc.DepthClipEnable = true;
rastDesc.FillMode = D3D12_FILL_MODE_SOLID;
rastDesc.MultisampleEnable = true;
}
{
D3D12_RASTERIZER_DESC& rastDesc = RasterizerStateDescs[uint64(RasterizerState::BackFaceCullNoZClip)];
rastDesc.CullMode = D3D12_CULL_MODE_BACK;
rastDesc.DepthClipEnable = false;
rastDesc.FillMode = D3D12_FILL_MODE_SOLID;
rastDesc.MultisampleEnable = true;
}
{
D3D12_RASTERIZER_DESC& rastDesc = RasterizerStateDescs[uint64(RasterizerState::NoCullNoMS)];
rastDesc.CullMode = D3D12_CULL_MODE_NONE;
rastDesc.DepthClipEnable = true;
rastDesc.FillMode = D3D12_FILL_MODE_SOLID;
rastDesc.MultisampleEnable = false;
}
{
D3D12_RASTERIZER_DESC& rastDesc = RasterizerStateDescs[uint64(RasterizerState::Wireframe)];
rastDesc.CullMode = D3D12_CULL_MODE_NONE;
rastDesc.DepthClipEnable = true;
rastDesc.FillMode = D3D12_FILL_MODE_WIREFRAME;
rastDesc.MultisampleEnable = true;
}
// Depth state initialization
{
D3D12_DEPTH_STENCIL_DESC& dsDesc = DepthStateDescs[uint64(DepthState::Disabled)];
dsDesc.DepthEnable = false;
dsDesc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ZERO;
dsDesc.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
}
{
D3D12_DEPTH_STENCIL_DESC& dsDesc = DepthStateDescs[uint64(DepthState::Enabled)];
dsDesc.DepthEnable = true;
dsDesc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ZERO;
dsDesc.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
}
{
D3D12_DEPTH_STENCIL_DESC& dsDesc = DepthStateDescs[uint64(DepthState::Reversed)];
dsDesc.DepthEnable = true;
dsDesc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ZERO;
dsDesc.DepthFunc = D3D12_COMPARISON_FUNC_GREATER_EQUAL;
}
{
D3D12_DEPTH_STENCIL_DESC& dsDesc = DepthStateDescs[uint64(DepthState::WritesEnabled)];
dsDesc.DepthEnable = true;
dsDesc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
dsDesc.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
}
{
D3D12_DEPTH_STENCIL_DESC& dsDesc = DepthStateDescs[uint64(DepthState::ReversedWritesEnabled)];
dsDesc.DepthEnable = true;
dsDesc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
dsDesc.DepthFunc = D3D12_COMPARISON_FUNC_GREATER_EQUAL;
}
// Sampler state initialization
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::Linear)];
sampDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::LinearClamp)];
sampDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::LinearBorder)];
sampDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_BORDER;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_BORDER;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_BORDER;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::Point)];
sampDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_POINT;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::Anisotropic)];
sampDesc.Filter = D3D12_FILTER_ANISOTROPIC;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 16;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::ShadowMap)];
sampDesc.Filter = D3D12_FILTER_COMPARISON_MIN_MAG_MIP_POINT;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::ShadowMapPCF)];
sampDesc.Filter = D3D12_FILTER_COMPARISON_MIN_MAG_MIP_LINEAR;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::ReversedShadowMap)];
sampDesc.Filter = D3D12_FILTER_COMPARISON_MIN_MAG_MIP_POINT;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_GREATER_EQUAL;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SAMPLER_DESC& sampDesc = SamplerStateDescs[uint64(SamplerState::ReversedShadowMapPCF)];
sampDesc.Filter = D3D12_FILTER_COMPARISON_MIN_MAG_MIP_LINEAR;
sampDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
sampDesc.MipLODBias = 0.0f;
sampDesc.MaxAnisotropy = 1;
sampDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_GREATER_EQUAL;
sampDesc.BorderColor[0] = sampDesc.BorderColor[1] = sampDesc.BorderColor[2] = sampDesc.BorderColor[3] = 0;
sampDesc.MinLOD = 0;
sampDesc.MaxLOD = D3D12_FLOAT32_MAX;
}
{
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = { };
srvDesc.Format = DXGI_FORMAT_R16G16B16A16_FLOAT;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Texture2D.MipLevels = 1;
srvDesc.Texture2D.MostDetailedMip = 0;
srvDesc.Texture2D.PlaneSlice = 0;
srvDesc.Texture2D.ResourceMinLODClamp = 0.0f;
PersistentDescriptorAlloc srvAlloc = SRVDescriptorHeap.AllocatePersistent();
for(uint32 i = 0; i < SRVDescriptorHeap.NumHeaps; ++i)
Device->CreateShaderResourceView(nullptr, &srvDesc, srvAlloc.Handles[i]);
NullTexture2DSRV = srvAlloc.Index;
}
}
void Shutdown_Helpers()
{
SRVDescriptorHeap.FreePersistent(NullTexture2DSRV);
RTVDescriptorHeap.Shutdown();
SRVDescriptorHeap.Shutdown();
DSVDescriptorHeap.Shutdown();
UAVDescriptorHeap.Shutdown();
}
void EndFrame_Helpers()
{
RTVDescriptorHeap.EndFrame();
SRVDescriptorHeap.EndFrame();
DSVDescriptorHeap.EndFrame();
UAVDescriptorHeap.EndFrame();
}
void TransitionResource(ID3D12GraphicsCommandList* cmdList, ID3D12Resource* resource, D3D12_RESOURCE_STATES before, D3D12_RESOURCE_STATES after, uint32 subResource)
{
D3D12_RESOURCE_BARRIER barrier = { };
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
barrier.Transition.pResource = resource;
barrier.Transition.StateBefore = before;
barrier.Transition.StateAfter = after;
barrier.Transition.Subresource = subResource;
cmdList->ResourceBarrier(1, &barrier);
}
uint64 GetResourceSize(const D3D12_RESOURCE_DESC& desc, uint32 firstSubResource, uint32 numSubResources)
{
uint64 size = 0;
Device->GetCopyableFootprints(&desc, firstSubResource, numSubResources, 0, nullptr, nullptr, nullptr, &size);
return size;
}
uint64 GetResourceSize(ID3D12Resource* resource, uint32 firstSubResource, uint32 numSubResources)
{
D3D12_RESOURCE_DESC desc = resource->GetDesc();
return GetResourceSize(desc, firstSubResource, numSubResources);
}
const D3D12_HEAP_PROPERTIES* GetDefaultHeapProps()
{
static D3D12_HEAP_PROPERTIES heapProps =
{
D3D12_HEAP_TYPE_DEFAULT,
D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
D3D12_MEMORY_POOL_UNKNOWN,
0,
0,
};
return &heapProps;
}
const D3D12_HEAP_PROPERTIES* GetUploadHeapProps()
{
static D3D12_HEAP_PROPERTIES heapProps =
{
D3D12_HEAP_TYPE_UPLOAD,
D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
D3D12_MEMORY_POOL_UNKNOWN,
0,
0,
};
return &heapProps;
}
const D3D12_HEAP_PROPERTIES* GetReadbackHeapProps()
{
static D3D12_HEAP_PROPERTIES heapProps =
{
D3D12_HEAP_TYPE_READBACK,
D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
D3D12_MEMORY_POOL_UNKNOWN,
0,
0,
};
return &heapProps;
}
D3D12_BLEND_DESC GetBlendState(BlendState blendState)
{
Assert_(uint64(blendState) < ArraySize_(BlendStateDescs));
return BlendStateDescs[uint64(blendState)];
}
D3D12_RASTERIZER_DESC GetRasterizerState(RasterizerState rasterizerState)
{
Assert_(uint64(rasterizerState) < ArraySize_(RasterizerStateDescs));
return RasterizerStateDescs[uint64(rasterizerState)];
}
D3D12_DEPTH_STENCIL_DESC GetDepthState(DepthState depthState)
{
Assert_(uint64(depthState) < ArraySize_(DepthStateDescs));
return DepthStateDescs[uint64(depthState)];
}
D3D12_SAMPLER_DESC GetSamplerState(SamplerState samplerState)
{
Assert_(uint64(samplerState) < ArraySize_(SamplerStateDescs));
return SamplerStateDescs[uint64(samplerState)];
}
D3D12_STATIC_SAMPLER_DESC GetStaticSamplerState(SamplerState samplerState, uint32 shaderRegister,
uint32 registerSpace, D3D12_SHADER_VISIBILITY visibility)
{
Assert_(uint64(samplerState) < ArraySize_(SamplerStateDescs));
return ConvertToStaticSampler(SamplerStateDescs[uint64(samplerState)], shaderRegister, registerSpace, visibility);
}
D3D12_STATIC_SAMPLER_DESC ConvertToStaticSampler(const D3D12_SAMPLER_DESC& samplerDesc, uint32 shaderRegister,
uint32 registerSpace, D3D12_SHADER_VISIBILITY visibility)
{
D3D12_STATIC_SAMPLER_DESC staticDesc = { };
staticDesc.Filter = samplerDesc.Filter;
staticDesc.AddressU = samplerDesc.AddressU;
staticDesc.AddressV = samplerDesc.AddressV;
staticDesc.AddressW = samplerDesc.AddressW;
staticDesc.MipLODBias = samplerDesc.MipLODBias;
staticDesc.MaxAnisotropy = samplerDesc.MaxAnisotropy;
staticDesc.ComparisonFunc = samplerDesc.ComparisonFunc;
staticDesc.MinLOD = samplerDesc.MinLOD;
staticDesc.MaxLOD = samplerDesc.MaxLOD;
staticDesc.ShaderRegister = shaderRegister;
staticDesc.RegisterSpace = registerSpace;
staticDesc.ShaderVisibility = visibility;
Float4 borderColor = Float4(samplerDesc.BorderColor[0], samplerDesc.BorderColor[1], samplerDesc.BorderColor[2], samplerDesc.BorderColor[3]);
if(borderColor == Float4(1.0f, 1.0f, 1.0f, 1.0f))
staticDesc.BorderColor = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE;
else if(borderColor == Float4(0.0f, 0.0f, 0.0f, 1.0f))
staticDesc.BorderColor = D3D12_STATIC_BORDER_COLOR_OPAQUE_BLACK;
else
staticDesc.BorderColor = D3D12_STATIC_BORDER_COLOR_TRANSPARENT_BLACK;
return staticDesc;
}
void SetViewport(ID3D12GraphicsCommandList* cmdList, uint64 width, uint64 height, float zMin, float zMax)
{
D3D12_VIEWPORT viewport = { };
viewport.Width = float(width);
viewport.Height = float(height);
viewport.MinDepth = zMin;
viewport.MaxDepth = zMax;
viewport.TopLeftX = 0.0f;
viewport.TopLeftY = 0.0f;
D3D12_RECT scissorRect = { };
scissorRect.left = 0;
scissorRect.top = 0;
scissorRect.right = uint32(width);
scissorRect.bottom = uint32(height);
cmdList->RSSetViewports(1, &viewport);
cmdList->RSSetScissorRects(1, &scissorRect);
}
void CreateRootSignature(ID3D12RootSignature** rootSignature, const D3D12_ROOT_SIGNATURE_DESC1& desc)
{
D3D12_VERSIONED_ROOT_SIGNATURE_DESC versionedDesc = { };
versionedDesc.Version = D3D_ROOT_SIGNATURE_VERSION_1_1;
versionedDesc.Desc_1_1 = desc;
ID3DBlobPtr signature;
ID3DBlobPtr error;
HRESULT hr = D3D12SerializeVersionedRootSignature(&versionedDesc, &signature, &error);
if(FAILED(hr))
{
const char* errString = error ? reinterpret_cast<const char*>(error->GetBufferPointer()) : "";
#if UseAsserts_
AssertMsg_(false, "Failed to create root signature: %s", errString);
#else
throw DXException(hr, MakeString(L"Failed to create root signature: %s", errString).c_str());
#endif
}
DXCall(DX12::Device->CreateRootSignature(0, signature->GetBufferPointer(), signature->GetBufferSize(), IID_PPV_ARGS(rootSignature)));
}
uint32 DispatchSize(uint64 numElements, uint64 groupSize)
{
Assert_(groupSize > 0);
return uint32((numElements + (groupSize - 1)) / groupSize);
}
static const uint64 MaxBindCount = 16;
static const uint32 DescriptorCopyRanges[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
StaticAssert_(ArraySize_(DescriptorCopyRanges) == MaxBindCount);
void SetDescriptorHeaps(ID3D12GraphicsCommandList* cmdList)
{
ID3D12DescriptorHeap* heaps[] =
{
SRVDescriptorHeap.CurrentHeap(),
};
cmdList->SetDescriptorHeaps(ArraySize_(heaps), heaps);
}
D3D12_GPU_DESCRIPTOR_HANDLE TempDescriptorTable(const D3D12_CPU_DESCRIPTOR_HANDLE* handles, uint64 count)
{
Assert_(count <= MaxBindCount);
Assert_(count > 0);
TempDescriptorAlloc tempAlloc = SRVDescriptorHeap.AllocateTemporary(uint32(count));
uint32 destRanges[1] = { uint32(count) };
Device->CopyDescriptors(1, &tempAlloc.StartCPUHandle, destRanges, uint32(count), handles, DescriptorCopyRanges, SRVDescriptorHeap.HeapType);
return tempAlloc.StartGPUHandle;
}
void BindTempDescriptorTable(ID3D12GraphicsCommandList* cmdList, const D3D12_CPU_DESCRIPTOR_HANDLE* handles,
uint64 count, uint32 rootParameter, CmdListMode cmdListMode)
{
D3D12_GPU_DESCRIPTOR_HANDLE tempTable = TempDescriptorTable(handles, count);
if(cmdListMode == CmdListMode::Graphics)
cmdList->SetGraphicsRootDescriptorTable(rootParameter, tempTable);
else
cmdList->SetComputeRootDescriptorTable(rootParameter, tempTable);
}
TempBuffer TempConstantBuffer(uint64 cbSize, bool makeDescriptor)
{
Assert_(cbSize > 0);
MapResult tempMem = DX12::AcquireTempBufferMem(cbSize, ConstantBufferAlignment);
TempBuffer tempBuffer;
tempBuffer.CPUAddress = tempMem.CPUAddress;
tempBuffer.GPUAddress = tempMem.GPUAddress;
if(makeDescriptor)
{
TempDescriptorAlloc cbvAlloc = SRVDescriptorHeap.AllocateTemporary(1);
D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = { };
cbvDesc.BufferLocation = tempMem.GPUAddress;
cbvDesc.SizeInBytes = uint32(AlignTo(cbSize, ConstantBufferAlignment));
DX12::Device->CreateConstantBufferView(&cbvDesc, cbvAlloc.StartCPUHandle);
tempBuffer.DescriptorIndex = cbvAlloc.StartIndex;
}
return tempBuffer;
}
void BindTempConstantBuffer(ID3D12GraphicsCommandList* cmdList, const void* cbData, uint64 cbSize, uint32 rootParameter, CmdListMode cmdListMode)
{
TempBuffer tempBuffer = TempConstantBuffer(cbSize, false);
memcpy(tempBuffer.CPUAddress, cbData, cbSize);
if(cmdListMode == CmdListMode::Graphics)
cmdList->SetGraphicsRootConstantBufferView(rootParameter, tempBuffer.GPUAddress);
else
cmdList->SetComputeRootConstantBufferView(rootParameter, tempBuffer.GPUAddress);
}
TempBuffer TempStructuredBuffer(uint64 numElements, uint64 stride, bool makeDescriptor)
{
Assert_(numElements > 0);
Assert_(stride > 0);
Assert_(stride % 4 == 0);
MapResult tempMem = DX12::AcquireTempBufferMem(numElements * stride, stride);
Assert_(tempMem.ResourceOffset % stride == 0);
TempBuffer result;
result.CPUAddress = tempMem.CPUAddress;
result.GPUAddress = tempMem.GPUAddress;
if(makeDescriptor)
{
TempDescriptorAlloc srvAlloc = SRVDescriptorHeap.AllocateTemporary(1);
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
srvDesc.Format = DXGI_FORMAT_UNKNOWN;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_BUFFER;
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Buffer.FirstElement = uint32(tempMem.ResourceOffset / stride);
srvDesc.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_NONE;
srvDesc.Buffer.NumElements = uint32(numElements);
srvDesc.Buffer.StructureByteStride = uint32(stride);
DX12::Device->CreateShaderResourceView(tempMem.Resource, &srvDesc, srvAlloc.StartCPUHandle);
result.DescriptorIndex = srvAlloc.StartIndex;
}
return result;
}
TempBuffer TempFormattedBuffer(uint64 numElements, DXGI_FORMAT format, bool makeDescriptor)
{
Assert_(format != DXGI_FORMAT_UNKNOWN);
Assert_(numElements > 0);
uint64 stride = DirectX::BitsPerPixel(format) / 8;
MapResult tempMem = DX12::AcquireTempBufferMem(numElements * stride, stride);
Assert_(tempMem.ResourceOffset % stride == 0);
TempBuffer result;
result.CPUAddress = tempMem.CPUAddress;
result.GPUAddress = tempMem.GPUAddress;
if(makeDescriptor)
{
TempDescriptorAlloc srvAlloc = SRVDescriptorHeap.AllocateTemporary(1);
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = { };
srvDesc.Format = format;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_BUFFER;
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Buffer.FirstElement = uint32(tempMem.ResourceOffset / stride);
srvDesc.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_NONE;
srvDesc.Buffer.NumElements = uint32(numElements);
DX12::Device->CreateShaderResourceView(tempMem.Resource, &srvDesc, srvAlloc.StartCPUHandle);
result.DescriptorIndex = srvAlloc.StartIndex;
}
return result;
}
TempBuffer TempRawBuffer(uint64 numElements, bool makeDescriptor)
{
Assert_(numElements > 0);
const uint64 stride = 4;
MapResult tempMem = DX12::AcquireTempBufferMem(numElements * stride, stride);
Assert_(tempMem.ResourceOffset % stride == 0);
TempBuffer result;
result.CPUAddress = tempMem.CPUAddress;
if(makeDescriptor)
{
TempDescriptorAlloc srvAlloc = SRVDescriptorHeap.AllocateTemporary(1);
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = { };
srvDesc.Format = DXGI_FORMAT_R32_TYPELESS;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_BUFFER;
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Buffer.FirstElement = uint32(tempMem.ResourceOffset / stride);
srvDesc.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_RAW;
srvDesc.Buffer.NumElements = uint32(numElements);
DX12::Device->CreateShaderResourceView(tempMem.Resource, &srvDesc, srvAlloc.StartCPUHandle);
result.DescriptorIndex = srvAlloc.StartIndex;
}
return result;
}
const D3D12_DESCRIPTOR_RANGE1* StandardDescriptorRanges()
{
Assert_(SRVDescriptorSize != 0);
return StandardDescriptorRangeDescs;
}
void InsertStandardDescriptorRanges(D3D12_DESCRIPTOR_RANGE1* ranges)
{
uint32 userStart = NumStandardDescriptorRanges - NumUserDescriptorRanges;
for(uint32 i = 0; i < NumStandardDescriptorRanges; ++i)
{
StandardDescriptorRangeDescs[i].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
StandardDescriptorRangeDescs[i].NumDescriptors = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND;
StandardDescriptorRangeDescs[i].BaseShaderRegister = 0;
StandardDescriptorRangeDescs[i].RegisterSpace = i;
StandardDescriptorRangeDescs[i].OffsetInDescriptorsFromTableStart = 0;
StandardDescriptorRangeDescs[i].Flags = D3D12_DESCRIPTOR_RANGE_FLAG_DESCRIPTORS_VOLATILE;
if(i >= userStart)
StandardDescriptorRangeDescs[i].RegisterSpace = (i - userStart) + 100;
}
}
void BindAsDescriptorTable(ID3D12GraphicsCommandList* cmdList, uint32 descriptorIdx, uint32 rootParameter, CmdListMode cmdListMode)
{
Assert_(descriptorIdx != uint32(-1));
D3D12_GPU_DESCRIPTOR_HANDLE handle = SRVDescriptorHeap.GPUHandleFromIndex(descriptorIdx);
if(cmdListMode == CmdListMode::Compute)
cmdList->SetComputeRootDescriptorTable(rootParameter, handle);
else
cmdList->SetGraphicsRootDescriptorTable(rootParameter, handle);
}
void BindStandardDescriptorTable(ID3D12GraphicsCommandList* cmdList, uint32 rootParameter, CmdListMode cmdListMode)
{
D3D12_GPU_DESCRIPTOR_HANDLE handle = SRVDescriptorHeap.GPUStart[SRVDescriptorHeap.HeapIndex];
if(cmdListMode == CmdListMode::Compute)
cmdList->SetComputeRootDescriptorTable(rootParameter, handle);
else
cmdList->SetGraphicsRootDescriptorTable(rootParameter, handle);
}
} // namespace DX12
namespace SampleFramework12
{
static const char* TypeStrings[] = { "vertex", "hull", "domain", "geometry", "pixel", "compute" };
StaticAssert_(ArraySize_(TypeStrings) == uint64(ShaderType::NumTypes));
static const uint64 TotalNumProfiles = uint64(ShaderType::NumTypes) * uint64(ShaderProfile::NumProfiles);
static const char* ProfileStrings[] =
{
"vs_5_0", "hs_5_0", "ds_5_0", "gs_5_0", "ps_5_0", "cs_5_0",
"vs_5_1", "hs_5_1", "ds_5_1", "gs_5_1", "ps_5_1", "cs_5_1",
};
StaticAssert_(ArraySize_(ProfileStrings) == TotalNumProfiles);
static string GetExpandedShaderCode(const wchar* path, GrowableList<wstring>& filePaths)
{
for(uint64 i = 0; i < filePaths.Count(); ++i)
if(filePaths[i] == path)
return string();
filePaths.Add(path);
string fileContents = ReadFileAsString(path);
// Look for includes
size_t lineStart = 0;
while(true)
{
size_t lineEnd = fileContents.find('\n', lineStart);
size_t lineLength = 0;
if(lineEnd == string::npos)
lineLength = string::npos;
else
lineLength = lineEnd - lineStart;
string line = fileContents.substr(lineStart, lineLength);
if(line.find("#include") == 0)
{
wstring fullIncludePath;
size_t startQuote = line.find('\"');
if(startQuote != -1)
{
size_t endQuote = line.find('\"', startQuote + 1);
string includePath = line.substr(startQuote + 1, endQuote - startQuote - 1);
fullIncludePath = AnsiToWString(includePath.c_str());
}
else
{
startQuote = line.find('<');
if(startQuote == -1)
throw Exception(L"Malformed include statement: \"" + AnsiToWString(line.c_str()) + L"\" in file " + path);
size_t endQuote = line.find('>', startQuote + 1);
string includePath = line.substr(startQuote + 1, endQuote - startQuote - 1);
fullIncludePath = SampleFrameworkDir() + L"Shaders\\" + AnsiToWString(includePath.c_str());
}
if(FileExists(fullIncludePath.c_str()) == false)
throw Exception(L"Couldn't find #included file \"" + fullIncludePath + L"\" in file " + path);
string includeCode = GetExpandedShaderCode(fullIncludePath.c_str(), filePaths);
fileContents.insert(lineEnd + 1, includeCode);
lineEnd += includeCode.length();
}
if(lineEnd == string::npos)
break;
lineStart = lineEnd + 1;
}
return fileContents;
}
static const wstring baseCacheDir = L"ShaderCache\\";
#if _DEBUG
static const wstring cacheSubDir = L"Debug\\";
#else
static const std::wstring cacheSubDir = L"Release\\";
#endif
static const wstring cacheDir = baseCacheDir + cacheSubDir;
static string MakeDefinesString(const D3D_SHADER_MACRO* defines)
{
string definesString;
while(defines && defines->Name != nullptr && defines != nullptr)
{
if(definesString.length() > 0)
definesString += "|";
definesString += defines->Name;
definesString += "=";
definesString += defines->Definition;
++defines;
}
return definesString;
}
static wstring MakeShaderCacheName(const std::string& shaderCode, const char* functionName,
const char* profile, const D3D_SHADER_MACRO* defines)
{
string hashString = shaderCode;
hashString += "\n";
hashString += functionName;
hashString += "\n";
hashString += profile;
hashString += "\n";
hashString += MakeDefinesString(defines);
Hash codeHash = GenerateHash(hashString.data(), int(hashString.length()), 0);
return cacheDir + codeHash.ToString() + L".cache";
}
class FrameworkInclude : public ID3DInclude
{
HRESULT Open(D3D_INCLUDE_TYPE IncludeType, LPCSTR pFileName, LPCVOID pParentData, LPCVOID* ppData, UINT* pBytes) override
{
std::wstring filePath;
if(IncludeType == D3D_INCLUDE_LOCAL)
filePath = AnsiToWString(pFileName);
else if(IncludeType == D3D_INCLUDE_SYSTEM)
filePath = SampleFrameworkDir() + L"Shaders\\" + AnsiToWString(pFileName);
else
return E_FAIL;
if(FileExists(filePath.c_str()) == false)
return E_FAIL;
File file(filePath.c_str(), FileOpenMode::Read);
*pBytes = UINT(file.Size());
uint8* data = reinterpret_cast<uint8*>(std::malloc(*pBytes));
file.Read(*pBytes, data);
*ppData = data;
return S_OK;
}
HRESULT Close(LPCVOID pData) override
{
std::free(const_cast<void*>(pData));
return S_OK;
}
};
static ID3DBlob* CompileShader(const wchar* path, const char* functionName, ShaderType type, ShaderProfile profile,
const D3D_SHADER_MACRO* defines, bool forceOptimization, GrowableList<wstring>& filePaths)
{
if(FileExists(path) == false)
{
Assert_(false);
throw Exception(L"Shader file " + std::wstring(path) + L" does not exist");
}
uint64 profileIdx = uint64(profile) * uint64(ShaderType::NumTypes) + uint64(type);
Assert_(profileIdx < TotalNumProfiles);
const char* profileString = ProfileStrings[profileIdx];
// Make a hash off the expanded shader code
string shaderCode = GetExpandedShaderCode(path, filePaths);
wstring cacheName = MakeShaderCacheName(shaderCode, functionName, profileString, defines);
if(FileExists(cacheName.c_str()))
{
File cacheFile(cacheName.c_str(), FileOpenMode::Read);
const uint64 shaderSize = cacheFile.Size();
Array<uint8> compressedShader;
compressedShader.Init(shaderSize);
cacheFile.Read(shaderSize, compressedShader.Data());
ID3DBlob* decompressedShader[1] = { nullptr };
uint32 indices[1] = { 0 };
DXCall(D3DDecompressShaders(compressedShader.Data(), shaderSize, 1, 0,
indices, 0, decompressedShader, nullptr));
return decompressedShader[0];
}
WriteLog("Compiling %s shader %s_%s %s\n", TypeStrings[uint64(type)],
WStringToAnsi(GetFileName(path).c_str()).c_str(),
functionName, MakeDefinesString(defines).c_str());
// Loop until we succeed, or an exception is thrown
while(true)
{
UINT flags = D3DCOMPILE_WARNINGS_ARE_ERRORS;
#ifdef _DEBUG
flags |= D3DCOMPILE_DEBUG;
// This is causing some shader bugs
/*if(forceOptimization == false)
flags |= D3DCOMPILE_SKIP_OPTIMIZATION;*/
#endif
ID3DBlob* compiledShader;
ID3DBlobPtr errorMessages;
FrameworkInclude include;
HRESULT hr = D3DCompileFromFile(path, defines, &include, functionName,
profileString, flags, 0, &compiledShader, &errorMessages);
if(FAILED(hr))
{
if(errorMessages)
{
wchar message[1024] = { 0 };
char* blobdata = reinterpret_cast<char*>(errorMessages->GetBufferPointer());
MultiByteToWideChar(CP_ACP, 0, blobdata, static_cast<int>(errorMessages->GetBufferSize()), message, 1024);
std::wstring fullMessage = L"Error compiling shader file \"";
fullMessage += path;
fullMessage += L"\" - ";
fullMessage += message;
// Pop up a message box allowing user to retry compilation
int retVal = MessageBoxW(nullptr, fullMessage.c_str(), L"Shader Compilation Error", MB_RETRYCANCEL);
if(retVal != IDRETRY)
throw DXException(hr, fullMessage.c_str());
}
else
{
Assert_(false);
throw DXException(hr);
}
}
else
{
// Compress the shader
D3D_SHADER_DATA shaderData;
shaderData.pBytecode = compiledShader->GetBufferPointer();
shaderData.BytecodeLength = compiledShader->GetBufferSize();
ID3DBlobPtr compressedShader;
DXCall(D3DCompressShaders(1, &shaderData, D3D_COMPRESS_SHADER_KEEP_ALL_PARTS, &compressedShader));
// Create the cache directory if it doesn't exist
if(DirectoryExists(baseCacheDir.c_str()) == false)
Win32Call(CreateDirectory(baseCacheDir.c_str(), nullptr));
if(DirectoryExists(cacheDir.c_str()) == false)
Win32Call(CreateDirectory(cacheDir.c_str(), nullptr));
File cacheFile(cacheName.c_str(), FileOpenMode::Write);
// Write the compiled shader to disk
uint64 shaderSize = compressedShader->GetBufferSize();
cacheFile.Write(shaderSize, compressedShader->GetBufferPointer());
return compiledShader;
}
}
}
struct ShaderFile
{
wstring FilePath;
uint64 TimeStamp;
GrowableList<CompiledShader*> Shaders;
ShaderFile(const wstring& filePath) : TimeStamp(0), FilePath(filePath)
{
}
};
static GrowableList<ShaderFile*> ShaderFiles;
static GrowableList<CompiledShader*> CompiledShaders;
static void CompileShader(CompiledShader* shader)
{
Assert_(shader != nullptr);
GrowableList<wstring> filePaths;
D3D_SHADER_MACRO defines[CompileOptions::MaxDefines + 1];
shader->CompileOpts.MakeDefines(defines);
shader->ByteCode = CompileShader(shader->FilePath.c_str(), shader->FunctionName.c_str(),
shader->Type, shader->Profile, defines,
shader->ForceOptimization, filePaths);
shader->ByteCodeHash = GenerateHash(shader->ByteCode->GetBufferPointer(), int(shader->ByteCode->GetBufferSize()));
for(uint64 fileIdx = 0; fileIdx < filePaths.Count(); ++ fileIdx)
{
const wstring& filePath = filePaths[fileIdx];
ShaderFile* shaderFile = nullptr;
for(uint64 shaderFileIdx = 0; shaderFileIdx < ShaderFiles.Count(); ++shaderFileIdx)
{
if(ShaderFiles[shaderFileIdx]->FilePath == filePath)
{
shaderFile = ShaderFiles[shaderFileIdx];
break;
}
}
if(shaderFile == nullptr)
{
shaderFile = new ShaderFile(filePath);
ShaderFiles.Add(shaderFile);
}
bool containsShader = false;
for(uint64 shaderIdx = 0; shaderIdx < shaderFile->Shaders.Count(); ++shaderIdx)
{
if(shaderFile->Shaders[shaderIdx] == shader)
{
containsShader = true;
break;
}
}
if(containsShader == false)
shaderFile->Shaders.Add(shader);
}
}
CompiledShaderPtr CompileFromFile(const wchar* path,
const char* functionName,
ShaderType type,
ShaderProfile profile,
const CompileOptions& compileOpts,
bool forceOptimization)
{
CompiledShader* compiledShader = new CompiledShader(path, functionName, profile, compileOpts, forceOptimization, type);
CompileShader(compiledShader);
CompiledShaders.Add(compiledShader);
return compiledShader;
}
VertexShaderPtr CompileVSFromFile(const wchar* path,
const char* functionName,
ShaderProfile profile,
const CompileOptions& compileOptions,
bool forceOptimization)
{
return CompileFromFile(path, functionName, ShaderType::Vertex, profile, compileOptions, forceOptimization);
}
PixelShaderPtr CompilePSFromFile(const wchar* path,
const char* functionName,
ShaderProfile profile,
const CompileOptions& compileOptions,
bool forceOptimization)
{
return CompileFromFile(path, functionName, ShaderType::Pixel, profile, compileOptions, forceOptimization);
}
GeometryShaderPtr CompileGSFromFile(const wchar* path,
const char* functionName,
ShaderProfile profile,
const CompileOptions& compileOptions,
bool forceOptimization)
{
return CompileFromFile(path, functionName, ShaderType::Geometry, profile, compileOptions, forceOptimization);
}
HullShaderPtr CompileHSFromFile(const wchar* path,
const char* functionName,
ShaderProfile profile,
const CompileOptions& compileOptions,
bool forceOptimization)
{
return CompileFromFile(path, functionName, ShaderType::Hull, profile, compileOptions, forceOptimization);
}
DomainShaderPtr CompileDSFromFile(const wchar* path,
const char* functionName,
ShaderProfile profile,
const CompileOptions& compileOptions,
bool forceOptimization)
{
return CompileFromFile(path, functionName, ShaderType::Domain, profile, compileOptions, forceOptimization);
}
ComputeShaderPtr CompileCSFromFile(const wchar* path,
const char* functionName,
ShaderProfile profile,
const CompileOptions& compileOptions,
bool forceOptimization)
{
return CompileFromFile(path, functionName, ShaderType::Compute, profile, compileOptions, forceOptimization);
}
bool UpdateShaders()
{
if(ShaderFiles.Count() == 0)
return false;
static uint64 currFile = 0;
currFile = (currFile + 1) % uint64(ShaderFiles.Count());
ShaderFile* file = ShaderFiles[currFile];
const uint64 newTimeStamp = GetFileTimestamp(file->FilePath.c_str());
if(file->TimeStamp == 0)
{
file->TimeStamp = newTimeStamp;
return false;
}
if(file->TimeStamp < newTimeStamp)
{
WriteLog("Hot-swapping shaders for %ls\n", file->FilePath.c_str());
file->TimeStamp = newTimeStamp;
for(uint64 i = 0; i < file->Shaders.Count(); ++i)
{
// Retry a few times to avoid file conflicts with text editors
const uint64 NumRetries = 10;
for(uint64 retryCount = 0; retryCount < NumRetries; ++retryCount)
{
try
{
CompiledShader* shader = file->Shaders[i];
CompileShader(shader);
break;
}
catch(Win32Exception& exception)
{
if(retryCount == NumRetries - 1)
throw exception;
Sleep(15);
}
}
}
return true;
}
return false;
}
void ShutdownShaders()
{
for(uint64 i = 0; i < ShaderFiles.Count(); ++i)
delete ShaderFiles[i];
for(uint64 i = 0; i < CompiledShaders.Count(); ++i)
delete CompiledShaders[i];
}
// == CompileOptions ==============================================================================
CompileOptions::CompileOptions()
{
Reset();
}
void CompileOptions::Add(const std::string& name, uint32 value)
{
Assert_(numDefines < MaxDefines);
nameOffsets[numDefines] = bufferIdx;
for(uint32 i = 0; i < name.length(); ++i)
buffer[bufferIdx++] = name[i];
++bufferIdx;
std::string stringVal = ToAnsiString(value);
defineOffsets[numDefines] = bufferIdx;
for(uint32 i = 0; i < stringVal.length(); ++i)
buffer[bufferIdx++] = stringVal[i];
++bufferIdx;
++numDefines;
}
void CompileOptions::Reset()
{
numDefines = 0;
bufferIdx = 0;
for(uint32 i = 0; i < MaxDefines; ++i)
{
nameOffsets[i] = 0xFFFFFFFF;
defineOffsets[i] = 0xFFFFFFFF;
}
ZeroMemory(buffer, BufferSize);
}
void CompileOptions::MakeDefines(D3D_SHADER_MACRO defines[MaxDefines + 1]) const
{
for(uint32 i = 0; i < numDefines; ++i)
{
defines[i].Name = buffer + nameOffsets[i];
defines[i].Definition = buffer + defineOffsets[i];
}
defines[numDefines].Name = nullptr;
defines[numDefines].Definition = nullptr;
}
}