228 lines
7.4 KiB
C++
228 lines
7.4 KiB
C++
#include "PipelineResources.h"
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using namespace Oyster::Resources;
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ID3D11UnorderedAccessView* PipeLineResourses::TempUav = 0;
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ID3D11ShaderResourceView* PipeLineResourses::TempSrv = 0;
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ID3D11ShaderResourceView* PipeLineResourses::GeometryOut[5] = {0};
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ID3D11RenderTargetView* PipeLineResourses::GeometryTarget[5] = {0};
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ID3D11ShaderResourceView* PipeLineResourses::ComputeResources[4] = {0};
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Oyster::Buffer* PipeLineResourses::Resources[2] = {0};
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ID3D11ShaderResourceView* PipeLineResourses::LightOut[4] = {0};
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ID3D11UnorderedAccessView* PipeLineResourses::LightTarget[4] = {0};
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ID3D11RenderTargetView* PipeLineResourses::RtvNulls[16] = {0};
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ID3D11ShaderResourceView* PipeLineResourses::SrvNulls[16] = {0};
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ID3D11UnorderedAccessView* PipeLineResourses::uavNULL[16] = {0};
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//Oyster::Collision3D::Frustrum* PipeLineResourses::SubFrustrums = 0;
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int PipeLineResourses::FrustrumSize = 0;
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LinearAlgebra::Vector3<unsigned int> PipeLineResourses::FrustrumDimensions = LinearAlgebra::Vector3<unsigned int>();
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Oyster::Resources::BufferDefinitions::LightStructureBuffer PipeLineResourses::LightData = Oyster::Resources::BufferDefinitions::LightStructureBuffer();
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void PipeLineResourses::Init(int sizeX, int sizeY)
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{
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InitGeometry(sizeX, sizeY);
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InitSSAOData();
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InitSubFrustrums(sizeX, sizeY);
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InitPointLights();
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InitLightData();
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InitLighting(sizeX, sizeY);
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}
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void PipeLineResourses::InitGeometry(int sizeX, int sizeY)
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{
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D3D11_TEXTURE2D_DESC Tdesc;
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Tdesc.Width = sizeX;
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Tdesc.Height = sizeY;
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Tdesc.MipLevels = Tdesc.ArraySize = 1;
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Tdesc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
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Tdesc.SampleDesc.Count = 1;
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Tdesc.SampleDesc.Quality=0;
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Tdesc.Usage = D3D11_USAGE_DEFAULT;
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Tdesc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
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Tdesc.CPUAccessFlags = 0;
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Tdesc.MiscFlags = 0;
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ID3D11Texture2D *pTexture;
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HRESULT hr;
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//Geometry stage resourses
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for( int i = 0; i < 5; ++i )
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{
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hr = Oyster::Core::Device->CreateTexture2D( &Tdesc, NULL, &pTexture );
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hr = Oyster::Core::Device->CreateShaderResourceView(pTexture,0,&GeometryOut[i]);
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hr = Oyster::Core::Device->CreateRenderTargetView(pTexture,0,&GeometryTarget[i]);
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pTexture->Release();
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}
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}
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void PipeLineResourses::InitSSAOData()
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{
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//create Half Spheres and Random Data
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Oyster::Buffer::BUFFER_INIT_DESC desc;
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HRESULT hr;
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int NrOfSamples = Oyster::Engine::States::GetNrOfSSAOSamples();
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int SampleSpread = Oyster::Engine::States::GetSSAOSampleSpread();
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Oyster::Math::Vector3* kernel = new Oyster::Math::Vector3[ NrOfSamples ];
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Oyster::Math::Vector3* random = new Oyster::Math::Vector3[ SampleSpread ];
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for(int i = 0; i < NrOfSamples; ++i)
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{
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kernel[i] = Oyster::Math::Vector3::null;
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while( kernel[i] == Oyster::Math::Vector3::null )
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{
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kernel[i] = Oyster::Math::Vector3(
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(float)rand() / (RAND_MAX + 1) * (1 - -1) + -1,
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(float)rand() / (RAND_MAX + 1) * (1 - -1) + -1,
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(float)rand() / (RAND_MAX + 1) * (1 - 0) + 0);
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}
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kernel[i].Normalize();
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float scale = float(i) / float(NrOfSamples);
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scale = (0.1f*(1 - scale * scale) + 1.0f *( scale * scale));
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kernel[i] *= scale;
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if( i < SampleSpread)
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{
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random[i] = Oyster::Math::Vector3::null;
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while( random[i] == Oyster::Math::Vector3::null )
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{
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random[i] = Oyster::Math::Vector3(
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(float)rand() / (RAND_MAX + 1) * (1 - -1)+ -1,
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(float)rand() / (RAND_MAX + 1) * (1 - -1)+ -1,
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0.0f);
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}
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random[i].Normalize();
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}
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}
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D3D11_TEXTURE1D_DESC T1desc;
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T1desc.Width = NrOfSamples;
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T1desc.MipLevels = T1desc.ArraySize = 1;
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T1desc.Format = DXGI_FORMAT_R32G32B32_FLOAT;
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T1desc.Usage = D3D11_USAGE_DEFAULT;
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T1desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
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T1desc.CPUAccessFlags = 0;
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T1desc.MiscFlags = 0;
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D3D11_SUBRESOURCE_DATA sphere;
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sphere.pSysMem = kernel;
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D3D11_SUBRESOURCE_DATA rnd;
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rnd.pSysMem = random;
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ID3D11Texture1D *pTexture1[2];
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hr = Oyster::Core::Device->CreateTexture1D( &T1desc, &sphere, &pTexture1[0] );
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hr = Oyster::Core::Device->CreateShaderResourceView( pTexture1[0], 0, &ComputeResources[3] );
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pTexture1[0]->Release();
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delete[] kernel;
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T1desc.Width = SampleSpread;
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hr = Oyster::Core::Device->CreateTexture1D( &T1desc, &rnd, &pTexture1[1] );
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hr = Oyster::Core::Device->CreateShaderResourceView( (pTexture1[1]), 0, &ComputeResources[2] );
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pTexture1[1]->Release();
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delete[] random;
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}
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void PipeLineResourses::InitSubFrustrums(int sizeX, int sizeY)
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{
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FrustrumDimensions.x = (sizeX + 15U) / 16U;
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FrustrumDimensions.y = (sizeY + 15U) / 16U;
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FrustrumDimensions.z = 1;
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FrustrumSize = FrustrumDimensions.x * FrustrumDimensions.y * FrustrumDimensions.z;
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//if(SubFrustrums!=0)
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//delete[] SubFrustrums;
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//SubFrustrums = new Collision3D::Frustrum[ FrustrumSize ];
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Oyster::Buffer::BUFFER_INIT_DESC desc;
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D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
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//buffer description for SubFrustrums
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desc.Usage = Oyster::Buffer::BUFFER_CPU_WRITE_DISCARD;
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desc.Type = Oyster::Buffer::STRUCTURED_BUFFER;
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desc.ElementSize = sizeof( ::Oyster::Resources::BufferDefinitions::ScreenTileFrustrum);
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desc.NumElements = FrustrumSize;
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desc.InitData = NULL;
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//create matching srv
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srvDesc.ViewDimension = D3D11_SRV_DIMENSION_BUFFER;
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srvDesc.Format = DXGI_FORMAT_UNKNOWN;
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srvDesc.Buffer.FirstElement = 0;
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srvDesc.Buffer.NumElements = FrustrumSize;
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PipeLineResourses::Resources[0] = Oyster::Engine::Init::Buffers::CreateBuffer(desc);
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HRESULT hr = Oyster::Core::Device->CreateShaderResourceView( *PipeLineResourses::Resources[0], &srvDesc, &Oyster::Resources::PipeLineResourses::ComputeResources[0] );
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}
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void PipeLineResourses::InitPointLights()
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{
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D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc;
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Oyster::Buffer::BUFFER_INIT_DESC desc;
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HRESULT hr;
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//buffer description for pointlight
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desc.Usage = Oyster::Buffer::BUFFER_CPU_WRITE_DISCARD;
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desc.Type = Oyster::Buffer::STRUCTURED_BUFFER;
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desc.ElementSize = sizeof(Oyster::Resources::BufferDefinitions::PointLightDescription);
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desc.NumElements = Oyster::Engine::States::GetMaxPointlights();
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desc.InitData = NULL;
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PipeLineResourses::Resources[1] = Oyster::Engine::Init::Buffers::CreateBuffer(desc);
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//create matching srv
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srvDesc.ViewDimension = D3D11_SRV_DIMENSION_BUFFER;
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srvDesc.Format = DXGI_FORMAT_UNKNOWN;
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srvDesc.Buffer.FirstElement = 0;
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srvDesc.Buffer.NumElements = Oyster::Engine::States::GetMaxPointlights();
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hr = Oyster::Core::Device->CreateShaderResourceView( *PipeLineResourses::Resources[1], &srvDesc, &Oyster::Resources::PipeLineResourses::ComputeResources[1] );
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}
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void PipeLineResourses::InitLightData()
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{
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LightData.numDispatches = FrustrumDimensions;
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}
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void PipeLineResourses::InitLighting(int sizeX, int sizeY)
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{
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D3D11_TEXTURE2D_DESC Tdesc;
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Tdesc.Width = sizeX;
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Tdesc.Height = sizeY;
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Tdesc.MipLevels = Tdesc.ArraySize = 1;
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Tdesc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
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Tdesc.SampleDesc.Count = 1;
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Tdesc.SampleDesc.Quality=0;
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Tdesc.Usage = D3D11_USAGE_DEFAULT;
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Tdesc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_UNORDERED_ACCESS;
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Tdesc.CPUAccessFlags = 0;
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Tdesc.MiscFlags = 0;
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ID3D11Texture2D *pTexture;
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HRESULT hr;
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for(int i = 0; i < 4; ++i )
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{
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hr = Oyster::Core::Device->CreateTexture2D( &Tdesc, NULL, &pTexture );
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hr = Oyster::Core::Device->CreateShaderResourceView( pTexture, 0, &(LightOut[i]) );
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hr = Oyster::Core::Device->CreateUnorderedAccessView( pTexture, 0, &(LightTarget[i]) );
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pTexture->Release();
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}
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hr = Oyster::Core::Device->CreateTexture2D( &Tdesc, NULL, &pTexture );
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hr = Oyster::Core::Device->CreateShaderResourceView( pTexture, 0, &TempSrv );
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hr = Oyster::Core::Device->CreateUnorderedAccessView( pTexture, 0, &TempUav );
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pTexture->Release();
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} |