//resize buffer
void RenderEngine::resizeBuffer(LVLfloat2 size)
{
//resizes the whole buffer
HRESULT result;
ID3D11DeviceContext* con;
m_d3dDevice->GetImmediateContext(&con);
con->ClearState();
//release the current buffer
m_backBufferTarget.clear();
//resize the buffer
result = m_swapChain->ResizeBuffers(2, static_cast<UINT>(size.x), static_cast<UINT>(size.y), DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH);
if (FAILED(result))
{
throw(std::runtime_error("buffer resize fail"));
}
//set the texture of the swap chain
APT::StrongPointer<ID3D11Texture2D> backBufferTexture;
backBufferTexture.setDeleteFunc([](ID3D11Texture2D*& p) {
if (p) p->Release();
p = nullptr;
});
result = m_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D),
(LPVOID*)&backBufferTexture.getPtrRef());
//error checking
if (FAILED(result))
{
throw(std::runtime_error("buffer resize fail"));
}
//create a render target with the backbuffer
result = m_d3dDevice->CreateRenderTargetView(backBufferTexture.getPtr(), 0,
&m_backBufferTarget.getPtrRef());
//release the texture
backBufferTexture.clear();
//error checking
if (FAILED(result))
{
throw(std::runtime_error("buffer resize fail"));
}
////set the output merger's render targets
m_d3dContext->OMSetRenderTargets(1, &m_backBufferTarget.getPtrRef(), 0);
//set the alpha blending
float blendFactor[4] = { m_bgColor.x, m_bgColor.y, m_bgColor.z, 1.0f };
m_d3dContext->OMSetBlendState(m_alphaBlendState.getPtr(), blendFactor, 0xFFFFFFFF);
}
/**
* Handle OSVR direct mode.
***/
void* OSVR_DirectMode::Provoke(void* pThis, int eD3D, int eD3DInterface, int eD3DMethod, DWORD dwNumberConnected, int& nProvokerIndex)
{
if (eD3DInterface != INTERFACE_IDXGISWAPCHAIN) return nullptr;
if (eD3DMethod != METHOD_IDXGISWAPCHAIN_PRESENT) return nullptr;
if (!m_bHotkeySwitch)
{
if (GetAsyncKeyState(VK_F11))
{
m_bHotkeySwitch = true;
}
return nullptr;
}
// Get an OSVR client context to use to access the devices
// that we need.
static osvr::clientkit::ClientContext m_pcClientContext
= osvr::clientkit::ClientContext("com.mtbs3d.vireio.osvr.directmode");
if (m_pcRenderManager == nullptr)
{
// get device and context
ID3D11Device* pcDevice = nullptr;
ID3D11DeviceContext* pcContext = nullptr;
switch (m_eMethod)
{
case OSVR_undefined:
// TODO !! determine method by used DX version
return nullptr;
case OSVR_D3D11_use_Game_Device:
if (FAILED(GetDeviceAndContext((IDXGISwapChain*)pThis, &pcDevice, &pcContext)))
{
OutputDebugString(L"OSVR-DirectMode: Failed to get d3d11 device + context");
return nullptr;
}
break;
case OSVR_D3D11_own_Device:
case OSVR_D3D10_own_Device:
case OSVR_D3D9_own_Device:
{
// get game device + context
if (m_eMethod == OSVR_DirectModeMethods::OSVR_D3D11_own_Device)
{
if (FAILED(GetDeviceAndContext((IDXGISwapChain*)pThis, &m_pcGameDevice, &m_pcGameDeviceContext)))
{
OutputDebugString(L"OSVR-DirectMode: Failed to get d3d11 device + context");
return nullptr;
}
m_pcGameDevice->Release();
m_pcGameDeviceContext->Release();
}
// Be sure to get D3D11 and have set
// D3D11_CREATE_DEVICE_BGRA_SUPPORT in the device/context
D3D_FEATURE_LEVEL acceptibleAPI = D3D_FEATURE_LEVEL_11_0;
D3D_FEATURE_LEVEL foundAPI;
auto hr =
D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr,
D3D11_CREATE_DEVICE_BGRA_SUPPORT, &acceptibleAPI, 1,
D3D11_SDK_VERSION, &m_pcDevice, &foundAPI, &m_pcDeviceContext);
if (FAILED(hr))
{
OutputDebugString(L"Could not create D3D11 device and context");
return nullptr;
}
pcDevice = m_pcDevice;
pcContext = m_pcDeviceContext;
}
break;
default:
break;
}
// Put the device and context into a structure to let RenderManager
// know to use this one rather than creating its own.
osvr::renderkit::GraphicsLibrary cLibrary;
cLibrary.D3D11 = new osvr::renderkit::GraphicsLibraryD3D11;
cLibrary.D3D11->device = pcDevice;
cLibrary.D3D11->context = pcContext;
if (m_eMethod == OSVR_DirectModeMethods::OSVR_D3D11_use_Game_Device)
{
if (pcDevice) { pcDevice->Release(); pcDevice = nullptr; }
if (pcContext) { pcContext->Release(); pcContext = nullptr; }
}
// Open Direct3D and set up the context for rendering to
// an HMD. Do this using the OSVR RenderManager interface,
// which maps to the nVidia or other vendor direct mode
// to reduce the latency.
m_pcRenderManager = osvr::renderkit::createRenderManager(m_pcClientContext.get(), "Direct3D11", cLibrary);
if ((m_pcRenderManager == nullptr) || (!m_pcRenderManager->doingOkay()))
{
// Error
OutputDebugString(L"OSVR-DirectMode: [Error] No Render Manager available !");
}
else
{
// Set callback to handle setting up rendering in a display
m_pcRenderManager->SetDisplayCallback((osvr::renderkit::DisplayCallback)&OSVR_DirectMode::SetupDisplay);
// Register callback to render things in world space.
m_pcRenderManager->AddRenderCallback("/", (osvr::renderkit::RenderCallback)&OSVR_DirectMode::DrawWorld);
// Open the display and make sure this worked.
osvr::renderkit::RenderManager::OpenResults ret = m_pcRenderManager->OpenDisplay();
if (ret.status == osvr::renderkit::RenderManager::OpenStatus::FAILURE)
{
OutputDebugString(L"Could not open display");
}
if (ret.library.D3D11 == nullptr)
{
OutputDebugString(L"Attempted to run a Direct3D11 program with a config file that specified a different renderling library.");
}
// Do a call to get the information we need to construct our
// color and depth render-to-texture buffers.
std::vector<osvr::renderkit::RenderInfo> asRenderInfo;
m_pcClientContext.update();
asRenderInfo = m_pcRenderManager->GetRenderInfo();
// Create the sampler state
D3D11_SAMPLER_DESC sSampDesc;
ZeroMemory(&sSampDesc, sizeof(sSampDesc));
sSampDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
sSampDesc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP;
sSampDesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
sSampDesc.AddressW = D3D11_TEXTURE_ADDRESS_WRAP;
sSampDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
sSampDesc.MinLOD = 0;
sSampDesc.MaxLOD = D3D11_FLOAT32_MAX;
if (FAILED(asRenderInfo[0].library.D3D11->device->CreateSamplerState(&sSampDesc, &m_pcSamplerState)))
OutputDebugString(L"Failed to create Sampler State.");
}
}
else
{
// get device and context
ID3D11Device* pcDevice = nullptr;
ID3D11DeviceContext* pcContext = nullptr;
switch (m_eMethod)
{
case OSVR_undefined:
return nullptr;
case OSVR_D3D11_use_Game_Device:
if (FAILED(GetDeviceAndContext((IDXGISwapChain*)pThis, &pcDevice, &pcContext)))
{
OutputDebugString(L"OSVR-DirectMode: Failed to get d3d11 device + context");
// release frame texture+view
if (pcDevice) { pcDevice->Release(); pcDevice = nullptr; }
if (pcContext) { pcContext->Release(); pcContext = nullptr; }
return nullptr;
}
break;
case OSVR_D3D11_own_Device:
case OSVR_D3D10_own_Device:
case OSVR_D3D9_own_Device:
pcDevice = m_pcDevice;
pcContext = m_pcDeviceContext;
break;
default:
break;
}
// backup device states, if game device is used
D3DX11_STATE_BLOCK sStateBlock;
if (m_eMethod == OSVR_DirectModeMethods::OSVR_D3D11_use_Game_Device)
{
// backup all states
CreateStateblock(pcContext, &sStateBlock);
// clear all states
pcContext->ClearState();
}
// Update the context so we get our callbacks called and
// update tracker state.
m_pcClientContext.update();
if (!m_pcRenderManager->Render())
{
OutputDebugString(L"Render() returned false, maybe because it was asked to quit");
}
// apply state block, if game device is used
if (m_eMethod == OSVR_DirectModeMethods::OSVR_D3D11_use_Game_Device)
{
// set back device
ApplyStateblock(pcContext, &sStateBlock);
if (pcDevice) { pcDevice->Release(); pcDevice = nullptr; }
if (pcContext) { pcContext->Release(); pcContext = nullptr; }
}
}
return nullptr;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
/// CelShadeApp::CelShadeD3D
///
/// @brief
/// Render a cel-shading demo using Direct3D
/// @return
/// N/A
///////////////////////////////////////////////////////////////////////////////////////////////////
void CelShadeApp::CelShadeD3D()
{
ID3D11DeviceContext* pContext = m_pDxData->pD3D11Context;
ID3D11Device* pDevice = m_pDxData->pD3D11Device;
D3DX11_IMAGE_LOAD_INFO imageLoadInfo;
memset( &imageLoadInfo, 0, sizeof(D3DX11_IMAGE_LOAD_INFO) );
imageLoadInfo.BindFlags = D3D11_BIND_SHADER_RESOURCE;
imageLoadInfo.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
DxTextureCreateInfo shadeTexInfo;
memset(&shadeTexInfo, 0, sizeof(DxTextureCreateInfo));
shadeTexInfo.flags.RenderTarget = TRUE;
shadeTexInfo.flags.ShaderInput = TRUE;
shadeTexInfo.format = DXGI_FORMAT_R8G8B8A8_UNORM;
shadeTexInfo.width = m_screenWidth;
shadeTexInfo.height = m_screenHeight;
DxTexture* pShadeTex = DxTexture::Create(pDevice, &shadeTexInfo);
DxTextureCreateInfo edgeTexInfo;
memset(&edgeTexInfo, 0, sizeof(DxTextureCreateInfo));
edgeTexInfo.flags.RenderTarget = TRUE;
edgeTexInfo.flags.ShaderInput = TRUE;
edgeTexInfo.format = DXGI_FORMAT_R8G8B8A8_UNORM;
edgeTexInfo.width = m_screenWidth;
edgeTexInfo.height = m_screenHeight;
DxTexture* pEdgeTex = DxTexture::Create(pDevice, &edgeTexInfo);
// Samplers /////////////////////////////////////////////////////////////////////////////
// SamplerState PointSampler : register(s0);
D3D11_SAMPLER_DESC pointSamplerDesc;
memset(&pointSamplerDesc, 0, sizeof(D3D11_SAMPLER_DESC));
pointSamplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
pointSamplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP;
pointSamplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
pointSamplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
pointSamplerDesc.MinLOD = -FLT_MAX;
pointSamplerDesc.MaxLOD = FLT_MAX;
pointSamplerDesc.MipLODBias = 0.0f;
pointSamplerDesc.MaxAnisotropy = 16;
ID3D11SamplerState* pPointSampler = NULL;
pDevice->CreateSamplerState(&pointSamplerDesc, &pPointSampler);
//
UINT numVertices = 0, numIndices = 0;
VertexPTN* pVB = NULL;
UINT* pIB = NULL;
ImportPly("Content/dragon_vrip_res3.ply", numVertices, &pVB, numIndices, &pIB);
//ImportPly("Content/bun_zipper_res4.ply", numVertices, &pVB, numIndices, &pIB);
DxMeshCreateInfo meshCreateInfo = {0};
meshCreateInfo.indexCount = numIndices;
meshCreateInfo.pIndexArray = pIB;
meshCreateInfo.indexFormat = DXGI_FORMAT_R32_UINT;
meshCreateInfo.pVertexArray = pVB;
meshCreateInfo.vertexCount = numVertices;
meshCreateInfo.vertexElementSize = sizeof(VertexPTN);
DxMesh* pMesh = DxMesh::Create(pDevice, &meshCreateInfo);
Plane p;
DxMeshCreateInfo planeMeshInfo;
memset(&planeMeshInfo, 0, sizeof(planeMeshInfo));
planeMeshInfo.pVertexArray = p.GetVB();
planeMeshInfo.vertexCount = p.NumVertices();
planeMeshInfo.vertexElementSize = sizeof(VertexPTN);
DxMesh* pPlaneMesh = DxMesh::Create(pDevice, &planeMeshInfo);
Cube c;
DxMeshCreateInfo cubeMeshInfo;
memset(&cubeMeshInfo, 0, sizeof(cubeMeshInfo));
cubeMeshInfo.pVertexArray = c.GetVB();
cubeMeshInfo.vertexCount = c.NumVertices();
cubeMeshInfo.vertexElementSize = sizeof(VertexPT);
DxMesh* pCubeMesh = DxMesh::Create(pDevice, &cubeMeshInfo);
D3D11_SUBRESOURCE_DATA cbInitData;
memset(&cbInitData, 0, sizeof(D3D11_SUBRESOURCE_DATA));
// Camera Buffer
CameraBufferData cameraData;
memset(&cameraData, 0, sizeof(CameraBufferData));
DxBufferCreateInfo cameraBufferCreateInfo = {0};
cameraBufferCreateInfo.flags.cpuWriteable = TRUE;
cameraBufferCreateInfo.elemSizeBytes = sizeof(CameraBufferData);
cameraBufferCreateInfo.pInitialData = &cameraData;
DxBuffer* pCameraBuffer = DxBuffer::Create(pDevice, &cameraBufferCreateInfo);
// Shaders ////////////////////////////////////////////////////////////////////////////////////
m_pPosTexTriVS = DxShader::CreateFromFile(pDevice, "PosTexTri", "Content/shaders/CelShade.hlsl", PosTexVertexDesc, PosTexElements);
m_pPosTexNormVS = DxShader::CreateFromFile(pDevice, "PosTexNorm", "Content/shaders/CelShade.hlsl", PosTexNormVertexDesc, PosTexNormElements);
m_pCelShadePS = DxShader::CreateFromFile(pDevice, "CelShade", "Content/shaders/CelShade.hlsl");
DxShader* pDetectEdges = DxShader::CreateFromFile(pDevice, "DetectEdges", "Content/shaders/CelShade.hlsl");
DxShader* pApplyTexPS = DxShader::CreateFromFile(pDevice, "ApplyTex", "Content/shaders/CelShade.hlsl");
DxShader* pCubeVS = DxShader::CreateFromFile(pDevice, "PosTex", "Content/shaders/CelShade.hlsl", PosTexVertexDesc, PosTexElements);
DxShader* pCubePS = DxShader::CreateFromFile(pDevice, "CubePS", "Content/shaders/CelShade.hlsl");
////////////////////////////////////////////////////////////////////////////////////////
pContext->ClearState();
// SET RENDER STATE
FLOAT clearColor[4];
clearColor[0] = 0.2f;
clearColor[1] = 0.2f;
clearColor[2] = 0.2f;
clearColor[3] = 1.0f;
D3D11_RASTERIZER_DESC shadeDesc;
shadeDesc.FillMode = D3D11_FILL_SOLID;
shadeDesc.CullMode = D3D11_CULL_BACK;
shadeDesc.FrontCounterClockwise = FALSE;
shadeDesc.DepthBias = 0;
shadeDesc.DepthBiasClamp = 0.0f;
shadeDesc.SlopeScaledDepthBias = 0;
shadeDesc.DepthClipEnable = false;
shadeDesc.ScissorEnable = false;
shadeDesc.MultisampleEnable = false;
shadeDesc.AntialiasedLineEnable = false;
ID3D11RasterizerState* pShadeRS = NULL;
pDevice->CreateRasterizerState(&shadeDesc, &pShadeRS);
pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
m_pWindow->Show();
BOOL quit = false;
FLOAT yRotationAngle = 0.0f;
while (!quit)
{
ProcessUpdates();
BeginFrame();
CameraBufferData* pCameraData = NULL;
// new frame, clear state
pContext->ClearState();
pContext->RSSetViewports(1, &m_pDxData->viewport);
pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
pContext->RSSetState(pShadeRS);
pContext->PSSetSamplers(0, 1, &pPointSampler);
pContext->OMSetRenderTargets(1,
&m_pDxData->pAppRenderTargetView,
m_pDxData->pAppDepthStencilTex->GetDepthStencilView());
pContext->ClearRenderTargetView(m_pDxData->pAppRenderTargetView, clearColor);
pContext->ClearDepthStencilView(m_pDxData->pAppDepthStencilTex->GetDepthStencilView(),
D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL,
1.0,
0);
///// Draw Mesh ///////////////////////////////////////////////////////////////////////////
FLOAT viewRotationY = (GetMousePos().x - (m_screenWidth / 2.0f)) /(m_screenWidth / 2.0f);
viewRotationY *= (3.14159f / 4.0f);
FLOAT viewRotationZ = (GetMousePos().y - (m_screenHeight / 2.0f)) /(m_screenHeight / 2.0f);
viewRotationZ *= (3.14159f / 4.0f);
pCameraData = reinterpret_cast<CameraBufferData*>(pCameraBuffer->Map(pContext));
pCameraData->worldMatrix = XMMatrixScaling(25, 25, 25) * XMMatrixRotationY(yRotationAngle) *
XMMatrixTranslation(m_pCamera->Position().x,
m_pCamera->Position().y,
m_pCamera->Position().z) ;
// translate world +6 in Z to position camera -9 from world origin
pCameraData->viewMatrix = m_pCamera->W2C();
pCameraData->projectionMatrix = m_pCamera->C2S();
pCameraBuffer->Unmap(pContext);
pCameraBuffer->BindVS(pContext, 0);
pMesh->Bind(pContext);
m_pPosTexNormVS->Bind(pContext);
m_pCelShadePS->Bind(pContext);
pMesh->Draw(pContext);
///// Detect Edges ///////////////////////////////////////////////////////////////////////////
///// Draw Light Position ////////////////////////////////////////////////////////////////////
//yRotationAngle = 0;
pCameraData = reinterpret_cast<CameraBufferData*>(pCameraBuffer->Map(pContext));
pCameraData->worldMatrix = XMMatrixScaling(1, 1, 1);
// XMMatrixRotationY(yRotationAngle);
// XMMatrixTranslation(-10, 10, 10);
// translate world +6 in Z to position camera -9 from world origin
pCameraData->viewMatrix = XMMatrixTranslation(0, 0, 10) * m_pCamera->W2C();
pCameraData->projectionMatrix = m_pCamera->C2S();
pCameraBuffer->Unmap(pContext);
pCameraBuffer->BindVS(pContext, 0);
pCubeVS->Bind(pContext);
pCubePS->Bind(pContext);
pCubeMesh->Bind(pContext);
pCubeMesh->Draw(pContext);
///// Draw UI ////////////////////////////////////////////////////////////////////////////////
///@todo Consider moving the following UI drawing to Draw2D()
m_pUI->Begin();
// Draw UI stuff
m_pUI->RenderRect();
m_pUI->RenderText();
m_pUI->End();
/// Blend UI onto final image
DrawUI();
m_pDxData->pDXGISwapChain->Present(0,0);
EndFrame();
Sleep(50);
yRotationAngle += 3.14159f / 60.0f;
}
// Shader Resource Views
pCameraBuffer->Destroy();
// Shaders
m_pCelShadePS->Destroy();
m_pCelShadePS = NULL;
m_pPosTexTriVS->Destroy();
m_pPosTexTriVS = NULL;
m_pPosTexNormVS->Destroy();
m_pPosTexNormVS = NULL;
pApplyTexPS->Destroy();
pApplyTexPS = NULL;
pPlaneMesh->Destroy();
pPlaneMesh = NULL;
// Samplers
pPointSampler->Release();
// Rasterizer State
pShadeRS->Release();
m_pDxData->pD3D11Context->ClearState();
m_pDxData->pD3D11Context->Flush();
}