bool DXInput::Initialize(HWND* _pHWnd, HINSTANCE* _phInstance)
{
m_pHWnd = _pHWnd;
m_phInstance = _phInstance;
// Intialize the direct input interface
VALIDATEHR(DirectInput8Create(*m_phInstance, DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&m_pDirectInput, NULL))
// Intialize the keyboard interface
VALIDATEHR(m_pDirectInput->CreateDevice(GUID_SysKeyboard, &m_pDIKeyboard, NULL));
m_pDIKeyboard->SetDataFormat(&c_dfDIKeyboard);
m_pDIKeyboard->SetCooperativeLevel(*m_pHWnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE);
m_pDIKeyboard->Acquire();
// Intialize the mouse interface
VALIDATEHR(m_pDirectInput->CreateDevice(GUID_SysMouse, &m_pDIMouse, NULL))
m_pDIMouse->SetDataFormat(&c_dfDIMouse);
m_pDIMouse->SetCooperativeLevel(*m_pHWnd, DISCL_EXCLUSIVE | DISCL_NOWINKEY | DISCL_FOREGROUND);
m_pDIMouse->Acquire();
m_mouseX = 0;
m_mouseY = 0;
RECT rect;
if (GetClientRect(*m_pHWnd, &rect))
{
m_screenWidth = rect.right - rect.left;
m_screenHeight = rect.bottom - rect.top;
}
return true;
}
bool DX10_Renderer::CreateTexture(std::string _texFileName, ID3D10ShaderResourceView*& _prTex)
{
ID3D10ShaderResourceView* pTexture = 0;
// Look for the texture by name to see if it is already loaded
std::map<std::string, ID3D10ShaderResourceView*>::iterator texCheck;
texCheck = m_textures.find(_texFileName);
// Check if the Texture exists
if (texCheck != m_textures.end())
{
// Texture is already loaded. Save its ID
pTexture = texCheck->second;
}
else
{
// Texture is new, create and save.
std::string filePath = TEXTUREFILEPATH;
filePath.append(_texFileName);
VALIDATEHR(D3DX10CreateShaderResourceViewFromFileA(m_pDX10Device,
filePath.c_str(), 0, 0, &pTexture, 0));
std::pair<std::string, ID3D10ShaderResourceView*> texPair(_texFileName, pTexture);
VALIDATE(m_textures.insert(texPair).second);
}
_prTex = pTexture;
return true;
}
bool DX10_Renderer::CreateVertexLayout(D3D10_INPUT_ELEMENT_DESC* _vertexDesc, UINT _elementNum, ID3D10EffectTechnique* _pTech, ID3D10InputLayout*& _prVertexLayout, UINT _passNum)
{
ID3D10InputLayout* pVertexLayout;
// Create the input layout
D3D10_PASS_DESC passDesc;
_pTech->GetPassByIndex(_passNum)->GetDesc(&passDesc);
VALIDATEHR(m_pDX10Device->CreateInputLayout(_vertexDesc, _elementNum, passDesc.pIAInputSignature,
passDesc.IAInputSignatureSize, &pVertexLayout));
// Add the Vertex Layout to the Map
UINT inputLayerID = ++m_nextInputLayoutID;
std::pair<UINT, ID3D10InputLayout*> inputLayerPair(inputLayerID, pVertexLayout);
VALIDATE(m_inputLayouts.insert(inputLayerPair).second);
_prVertexLayout = pVertexLayout;
return true;
}
bool DX10_Renderer::BuildFX(std::string _fxFileName, std::string _techniqueName, ID3D10Effect*& _prFX, ID3D10EffectTechnique*& _prTech)
{
ID3D10Effect* pFX = 0;
ID3D10EffectTechnique* pTech = 0;
// Checking if the Effects file is already loaded
std::map<std::string, ID3D10Effect*>::iterator fxCheck;
fxCheck = m_fxFiles.find(_fxFileName);
// Check if the FX file has already been created
if (fxCheck != m_fxFiles.end())
{
// FX file already exists, save the Pointer
pFX = fxCheck->second;
}
else
{
// Set the shader flags to enforce strictness
DWORD shaderFlags = D3D10_SHADER_ENABLE_STRICTNESS;
#if defined( DEBUG ) || defined( _DEBUG )
// Addition shader flags for information in DEBUG mode only
shaderFlags |= D3D10_SHADER_DEBUG;
shaderFlags |= D3D10_SHADER_SKIP_OPTIMIZATION;
#endif
ID3D10Blob* compilationErrors;
// Add the directory path from the DX10Render file to the stored FX files
std::string fxfilePath = "Resources/FX/" + _fxFileName;
// Create the FX file from the input file string
VALIDATEHR(D3DX10CreateEffectFromFileA(fxfilePath.c_str(), 0, 0,
"fx_4_0", shaderFlags, 0, m_pDX10Device, 0, 0, &pFX, &compilationErrors, 0));
ReleaseCOM(compilationErrors);
// Create the pairs to be inserted into the appropriate FX Maps
std::pair<std::string, ID3D10Effect*> fxPair(_fxFileName, pFX);
// Insert the pairs into their respective Maps
VALIDATE(m_fxFiles.insert(fxPair).second);
}
// Adding the Technique to the Map
// Retrieve the Technique IDs map using the FX ID to get a Map of all techniques for that particular FX file
std::map<std::string, std::map<std::string, ID3D10EffectTechnique*>>::iterator fxNameCheck;
fxNameCheck = m_techniques.find(_fxFileName);
// Check if the FX file already has techniques stored for it
if (fxNameCheck != m_techniques.end())
{
// Search the Inner Map (of Techs by FX ID) to check if the Technique has already been created
std::map<std::string, ID3D10EffectTechnique*>::iterator techNameCheck;
techNameCheck = fxNameCheck->second.find(_techniqueName);
if (techNameCheck != fxNameCheck->second.end())
{
// Technique already exists, save the ID
pTech = techNameCheck->second;
}
else
{
// Technique has not been created so Retrieve the Tech from the FX file
pTech = pFX->GetTechniqueByName(_techniqueName.c_str());
if (pTech == NULL)
{
// technique was not found
return false;
}
// Create pairs to store in the Technique Maps
std::pair<std::string, ID3D10EffectTechnique*> techPair(_techniqueName, pTech);
// Insert the pairs into their respective Maps
VALIDATE((&fxNameCheck->second)->insert(techPair).second);
}
}
else
{
// Technique has not been created so Retrieve the Tech from the FX file
pTech = pFX->GetTechniqueByName(_techniqueName.c_str());
if (pTech == NULL)
{
// technique was not found
return false;
}
// Create pairs to store in the Technique Maps
std::map<std::string, ID3D10EffectTechnique*> innerTechMap;
std::pair<std::string, ID3D10EffectTechnique*> innerTechPair(_techniqueName, pTech);
VALIDATE(innerTechMap.insert(innerTechPair).second);
std::pair<std::string, std::map<std::string, ID3D10EffectTechnique*>> outerTechMap(_fxFileName, innerTechMap);
VALIDATE(m_techniques.insert(outerTechMap).second);
}
// Save the FX and Technique IDs in the memory passed by the Object.
_prFX = pFX;
_prTech = pTech;
return true;
}
bool DX10_Renderer::onResize()
{
// Release the old render target view before creating again
ReleaseCOM(m_pRenderTargetView);
ReleaseCOM(m_pDepthStencilView);
ReleaseCOM(m_pDepthStencilBuffer);
// Resize the buffers of the Swap Chain and create the new render target view
VALIDATEHR(m_pDX10SwapChain->ResizeBuffers(1, m_clientWidth, m_clientHeight, DXGI_FORMAT_R8G8B8A8_UNORM, 0));
// Create a temporary Back buffer
ID3D10Texture2D* pBackBuffer;
// Retrieve the Back Buffer of the Swap Chain and create a Render Target View using the Back Buffer
VALIDATEHR(m_pDX10SwapChain->GetBuffer(0, __uuidof(ID3D10Texture2D), reinterpret_cast<void**>(&pBackBuffer)));
VALIDATEHR(m_pDX10Device->CreateRenderTargetView(pBackBuffer, 0, &m_pRenderTargetView));
// Release the memory from the temporary Back Buffer
ReleaseCOM(pBackBuffer);
// Create the depth buffer.
D3D10_TEXTURE2D_DESC depthBufferDesc;
depthBufferDesc.Width = m_clientWidth;
depthBufferDesc.Height = m_clientHeight;
depthBufferDesc.MipLevels = 1;
depthBufferDesc.ArraySize = 1;
depthBufferDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthBufferDesc.SampleDesc.Count = 1; // multi sampling must match
depthBufferDesc.SampleDesc.Quality = 0; // swap chain values.
depthBufferDesc.Usage = D3D10_USAGE_DEFAULT;
depthBufferDesc.BindFlags = D3D10_BIND_DEPTH_STENCIL;
depthBufferDesc.CPUAccessFlags = 0;
depthBufferDesc.MiscFlags = 0;
VALIDATEHR(m_pDX10Device->CreateTexture2D(&depthBufferDesc, NULL, &m_pDepthStencilBuffer));
//--------------------------------------------------------------------------------------
// Normal Depth Stencil
//--------------------------------------------------------------------------------------
D3D10_DEPTH_STENCIL_DESC depthStencilDesc;
// Initialize the description of the stencil state.
ZeroMemory(&depthStencilDesc, sizeof(depthStencilDesc));
// Set up the description of the stencil state.
depthStencilDesc.DepthEnable = true;
depthStencilDesc.DepthWriteMask = D3D10_DEPTH_WRITE_MASK_ALL;
depthStencilDesc.DepthFunc = D3D10_COMPARISON_LESS;
depthStencilDesc.StencilEnable = true;
depthStencilDesc.StencilReadMask = 0xFF;
depthStencilDesc.StencilWriteMask = 0xFF;
// Stencil operations if pixel is front-facing.
depthStencilDesc.FrontFace.StencilFailOp = D3D10_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilDepthFailOp = D3D10_STENCIL_OP_INCR;
depthStencilDesc.FrontFace.StencilPassOp = D3D10_STENCIL_OP_KEEP;
depthStencilDesc.FrontFace.StencilFunc = D3D10_COMPARISON_ALWAYS;
// Stencil operations if pixel is back-facing.
depthStencilDesc.BackFace.StencilFailOp = D3D10_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilDepthFailOp = D3D10_STENCIL_OP_DECR;
depthStencilDesc.BackFace.StencilPassOp = D3D10_STENCIL_OP_KEEP;
depthStencilDesc.BackFace.StencilFunc = D3D10_COMPARISON_ALWAYS;
// Create the depth stencil state.
VALIDATEHR(m_pDX10Device->CreateDepthStencilState(&depthStencilDesc, &m_pDepthStencilStateNormal));
// Set the depth stencil state on the D3D device.
m_pDX10Device->OMSetDepthStencilState(m_pDepthStencilStateNormal, 1);
D3D10_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
// Initialize the depth stencil view.
ZeroMemory(&depthStencilViewDesc, sizeof(depthStencilViewDesc));
// Set up the depth stencil view description.
depthStencilViewDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
depthStencilViewDesc.ViewDimension = D3D10_DSV_DIMENSION_TEXTURE2D;
depthStencilViewDesc.Texture2D.MipSlice = 0;
// Create the depth stencil view.
VALIDATEHR(m_pDX10Device->CreateDepthStencilView(m_pDepthStencilBuffer, &depthStencilViewDesc, &m_pDepthStencilView));
// Bind the render target view and depth stencil buffer to the output render pipeline.
m_pDX10Device->OMSetRenderTargets(1, &m_pRenderTargetView, m_pDepthStencilView);
//--------------------------------------------------------------------------------------
// Disabled Depth Stencil
//--------------------------------------------------------------------------------------
D3D10_DEPTH_STENCIL_DESC depthDisabledStencilDesc;
// Clear the second depth stencil state before setting the parameters.
ZeroMemory(&depthDisabledStencilDesc, sizeof(depthDisabledStencilDesc));
// Now create a second depth stencil state which turns off the Z buffer for 2D rendering.
depthDisabledStencilDesc.DepthEnable = false;
depthDisabledStencilDesc.DepthWriteMask = D3D10_DEPTH_WRITE_MASK_ALL;
depthDisabledStencilDesc.DepthFunc = D3D10_COMPARISON_LESS;
depthDisabledStencilDesc.StencilEnable = true;
depthDisabledStencilDesc.StencilReadMask = 0xFF;
depthDisabledStencilDesc.StencilWriteMask = 0xFF;
depthDisabledStencilDesc.FrontFace.StencilFailOp = D3D10_STENCIL_OP_KEEP;
depthDisabledStencilDesc.FrontFace.StencilDepthFailOp = D3D10_STENCIL_OP_INCR;
depthDisabledStencilDesc.FrontFace.StencilPassOp = D3D10_STENCIL_OP_KEEP;
depthDisabledStencilDesc.FrontFace.StencilFunc = D3D10_COMPARISON_ALWAYS;
depthDisabledStencilDesc.BackFace.StencilFailOp = D3D10_STENCIL_OP_KEEP;
depthDisabledStencilDesc.BackFace.StencilDepthFailOp = D3D10_STENCIL_OP_DECR;
depthDisabledStencilDesc.BackFace.StencilPassOp = D3D10_STENCIL_OP_KEEP;
depthDisabledStencilDesc.BackFace.StencilFunc = D3D10_COMPARISON_ALWAYS;
// Create the state using the device.
VALIDATEHR(m_pDX10Device->CreateDepthStencilState(&depthDisabledStencilDesc, &m_pDepthStencilStateZDisabled));
// Set the View Port for the Device
D3D10_VIEWPORT viewPort;
viewPort.TopLeftX = 0;
viewPort.TopLeftY = 0;
viewPort.Width = m_clientWidth;
viewPort.Height = m_clientHeight;
viewPort.MinDepth = 0.0f;
viewPort.MaxDepth = 1.0f;
// Binds the View port to the Rasterizer stage of the pipeline
m_pDX10Device->RSSetViewports(1, &viewPort);
// Calculate the new Projection Matrix
CalcProjMatrix();
// Create an orthographic projection matrix for 2D rendering.
D3DXMatrixOrthoLH(&m_matOrtho, static_cast<float>(m_clientWidth), static_cast<float>(m_clientHeight), 0.1f, 100.0f);
return true;
}
bool DX10_Renderer::InitialiseDeviceAndSwapChain()
{
// State the Driver to be of type HAL
m_dx10DriverType = D3D10_DRIVER_TYPE_HARDWARE;
// Fill out the DXGI Swap Chain Description structure
DXGI_SWAP_CHAIN_DESC swapChainDesc;
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
swapChainDesc.BufferDesc.Width = m_clientWidth;
swapChainDesc.BufferDesc.Height = m_clientHeight;
swapChainDesc.BufferDesc.RefreshRate.Numerator = 59;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
// Multi sampling per pixel
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.BufferCount = 1;
swapChainDesc.OutputWindow = m_hWnd;
swapChainDesc.Windowed = true;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
swapChainDesc.Flags = 0;
// Add Debug Info to the flags when run in Debug mode
UINT createDeviceFlags = 0;
#if defined(DEBUG) || defined(_DEBUG)
createDeviceFlags |= D3D10_CREATE_DEVICE_DEBUG;
#endif
// Create the Device and Swap Chain
VALIDATEHR( D3D10CreateDeviceAndSwapChain(
0, //default adapter
m_dx10DriverType,
0, // no software device
createDeviceFlags,
D3D10_SDK_VERSION,
&swapChainDesc,
&m_pDX10SwapChain,
&m_pDX10Device));
m_rasterizerDesc.CullMode = D3D10_CULL_BACK;
m_rasterizerDesc.FillMode = D3D10_FILL_SOLID;
m_rasterizerDesc.FrontCounterClockwise = false;
m_rasterizerDesc.DepthBias = 0;
m_rasterizerDesc.DepthBiasClamp = 0;
m_rasterizerDesc.SlopeScaledDepthBias = 0;
m_rasterizerDesc.DepthClipEnable = true;
m_rasterizerDesc.ScissorEnable = false;
m_rasterizerDesc.MultisampleEnable = false;
m_rasterizerDesc.AntialiasedLineEnable = false;
m_pDX10Device->CreateRasterizerState(&m_rasterizerDesc, &m_pRasterizerState);
m_pDX10Device->RSSetState(m_pRasterizerState);
// Create the Rasterizer description for culling clockwise when using reflection
D3D10_RASTERIZER_DESC rasterizerDesc;
ZeroMemory(&rasterizerDesc, sizeof(rasterizerDesc));
rasterizerDesc.FillMode = D3D10_FILL_SOLID;
rasterizerDesc.CullMode = D3D10_CULL_BACK;
rasterizerDesc.FrontCounterClockwise = true;
VALIDATEHR(m_pDX10Device->CreateRasterizerState(&rasterizerDesc, &m_pRasterizerState_Reflection));
// Invoke functionality that deals with changing size of the window
VALIDATE(onResize());
return true;
}
