d_3d_class.cpp

 
// Filename: d3dclass.cpp
#include "d_3d_class.h"
 
 
d_3d_class::d_3d_class()
{
    swap_chain = 0;
    device_ = 0;
    device_context_ = 0;
    render_target_view_ = 0;
    depth_stencil_buffer_ = 0;
    depth_stencil_state_ = 0;
    depth_stencil_view_ = 0;
    raster_state_ = 0;
    depth_disabled_stencil_state_ = 0;
    alpha_enable_blending_state_ = 0;
    alpha_disable_blending_state_ = 0;
}
 
 
d_3d_class::d_3d_class(const d_3d_class& other)
{
}
 
 
d_3d_class::~d_3d_class()
{
}
 
 
bool d_3d_class::initialize(int screenWidth, int screenHeight, bool vsync, HWND hwnd, bool fullscreen, float screenDepth, float screenNear)
{
    Logger::Get().Log("Initializing D3Dclass", __FILE__, __LINE__, Logger::LogLevel::Initialize);
 
    HRESULT result;
    IDXGIFactory* factory;
    IDXGIAdapter* adapter;
    IDXGIOutput* adapterOutput;
    unsigned int numModes, i, numerator, denominator;
    unsigned long long stringLength;
    DXGI_MODE_DESC* displayModeList;
    DXGI_ADAPTER_DESC adapterDesc;
    int error;
    DXGI_SWAP_CHAIN_DESC swapChainDesc;
    D3D_FEATURE_LEVEL featureLevel;
    ID3D11Texture2D* backBufferPtr;
    D3D11_TEXTURE2D_DESC depthBufferDesc;
    D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
    D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
    D3D11_RASTERIZER_DESC rasterDesc;
    float fieldOfView, screenAspect;
    D3D11_DEPTH_STENCIL_DESC depthDisabledStencilDesc;
    D3D11_BLEND_DESC blendStateDescription;
 
    // Store the vsync setting.
    vsync_enabled_ = vsync;
 
    // Create a DirectX graphics interface factory.
    result = CreateDXGIFactory(__uuidof(IDXGIFactory), (void**)&factory);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create DXGIFactory", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Use the factory to create an adapter for the primary graphics interface (video card).
    result = factory->EnumAdapters(0, &adapter);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create adapter", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Enumerate the primary adapter output (monitor).
    result = adapter->EnumOutputs(0, &adapterOutput);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create adapter output", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Get the number of modes that fit the DXGI_FORMAT_R8G8B8A8_UNORM display format for the adapter output (monitor).
    result = adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, NULL);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to get display mode list", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Create a list to hold all the possible display modes for this monitor/video card combination.
    displayModeList = new DXGI_MODE_DESC[numModes];
    if (!displayModeList)
    {
        Logger::Get().Log("Failed to create display mode list", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Now fill the display mode list structures.
    result = adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, displayModeList);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to fill display mode list", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Now go through all the display modes and find the one that matches the screen width and height.
    // When a match is found store the numerator and denominator of the refresh rate for that monitor.
    for (i = 0; i < numModes; i++)
    {
        if (displayModeList[i].Width == (unsigned int)screenWidth)
        {
            if (displayModeList[i].Height == (unsigned int)screenHeight)
            {
                numerator = displayModeList[i].RefreshRate.Numerator;
                denominator = displayModeList[i].RefreshRate.Denominator;
            }
        }
    }
 
    // Get the adapter (video card) description.
    result = adapter->GetDesc(&adapterDesc);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to get adapter description", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Store the dedicated video card memory in megabytes.
    video_card_memory_ = (int)(adapterDesc.DedicatedVideoMemory / 1024 / 1024);
 
    // Convert the name of the video card to a character array and store it.
    error = wcstombs_s(&stringLength, video_card_description_, 128, adapterDesc.Description, 128);
    if (error != 0)
    {
        Logger::Get().Log("Failed to convert video card name to character array", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Release the display mode list.
    delete[] displayModeList;
    displayModeList = 0;
 
    // Release the adapter output.
    adapterOutput->Release();
    adapterOutput = 0;
 
    // Release the adapter.
    adapter->Release();
    adapter = 0;
 
    // Release the factory.
    factory->Release();
    factory = 0;
 
    // initialize the swap chain description.
    ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
 
    // Set to a single back buffer.
    swapChainDesc.BufferCount = 1;
 
    // Set the width and height of the back buffer.
    swapChainDesc.BufferDesc.Width = screenWidth;
    swapChainDesc.BufferDesc.Height = screenHeight;
 
    // Set regular 32-bit surface for the back buffer.
    swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
 
    // Set the refresh rate of the back buffer.
    if (vsync_enabled_)
    {
        swapChainDesc.BufferDesc.RefreshRate.Numerator = numerator;
        swapChainDesc.BufferDesc.RefreshRate.Denominator = denominator;
    }
    else
    {
        swapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
        swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
    }
 
    // Set the usage of the back buffer.
    swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
 
    // Set the handle for the window to render to.
    swapChainDesc.OutputWindow = hwnd;
 
    // Turn multisampling off.
    swapChainDesc.SampleDesc.Count = 1;
    swapChainDesc.SampleDesc.Quality = 0;
 
    // Set to full screen or windowed mode.
    if (fullscreen)
    {
        swapChainDesc.Windowed = false;
    }
    else
    {
        swapChainDesc.Windowed = true;
    }
 
    // Set the scan line ordering and scaling to unspecified.
    swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
    swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
 
    // Discard the back buffer contents after presenting.
    swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
 
    // Don't set the advanced flags.
    swapChainDesc.Flags = 0;
 
    // Set the feature level to DirectX 11.
    featureLevel = D3D_FEATURE_LEVEL_11_0;
 
    // Create the swap chain, Direct3D device, and Direct3D device context.
    result = D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, 0, &featureLevel, 1,
        D3D11_SDK_VERSION, &swapChainDesc, &swap_chain, &device_, NULL, &device_context_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create swap chain, device and device context", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Get the pointer to the back buffer.
    result = swap_chain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBufferPtr);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to get pointer to back buffer", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Create the render target view with the back buffer pointer.
    result = device_->CreateRenderTargetView(backBufferPtr, NULL, &render_target_view_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create render target view", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Release pointer to the back buffer as we no longer need it.
    backBufferPtr->Release();
    backBufferPtr = 0;
 
    // initialize the description of the depth buffer.
    ZeroMemory(&depthBufferDesc, sizeof(depthBufferDesc));
 
    // Set up the description of the depth buffer.
    depthBufferDesc.Width = screenWidth;
    depthBufferDesc.Height = screenHeight;
    depthBufferDesc.MipLevels = 1;
    depthBufferDesc.ArraySize = 1;
    depthBufferDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
    depthBufferDesc.SampleDesc.Count = 1;
    depthBufferDesc.SampleDesc.Quality = 0;
    depthBufferDesc.Usage = D3D11_USAGE_DEFAULT;
    depthBufferDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
    depthBufferDesc.CPUAccessFlags = 0;
    depthBufferDesc.MiscFlags = 0;
 
    // Create the texture for the depth buffer using the filled out description.
    result = device_->CreateTexture2D(&depthBufferDesc, NULL, &depth_stencil_buffer_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create texture for depth buffer", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // initialize the description of the stencil state.
    ZeroMemory(&depthStencilDesc, sizeof(depthStencilDesc));
 
    // Set up the description of the stencil state.
    depthStencilDesc.DepthEnable = true;
    depthStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
    depthStencilDesc.DepthFunc = D3D11_COMPARISON_LESS;
 
    depthStencilDesc.StencilEnable = true;
    depthStencilDesc.StencilReadMask = 0xFF;
    depthStencilDesc.StencilWriteMask = 0xFF;
 
    // Stencil operations if pixel is front-facing.
    depthStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_INCR;
    depthStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
 
    // Stencil operations if pixel is back-facing.
    depthStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_DECR;
    depthStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
 
    // Create the depth stencil state.
    result = device_->CreateDepthStencilState(&depthStencilDesc, &depth_stencil_state_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create depth stencil state", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Set the depth stencil state.
    device_context_->OMSetDepthStencilState(depth_stencil_state_, 1);
 
    // 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 = D3D11_DSV_DIMENSION_TEXTURE2D;
    depthStencilViewDesc.Texture2D.MipSlice = 0;
 
    // Create the depth stencil view.
    result = device_->CreateDepthStencilView(depth_stencil_buffer_, &depthStencilViewDesc, &depth_stencil_view_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create depth stencil view", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Bind the render target view and depth stencil buffer to the output render pipeline.
    device_context_->OMSetRenderTargets(1, &render_target_view_, depth_stencil_view_);
 
    // Setup the raster description which will determine how and what polygons will be drawn.
    rasterDesc.AntialiasedLineEnable = false;
    rasterDesc.CullMode = D3D11_CULL_BACK;
    rasterDesc.DepthBias = 0;
    rasterDesc.DepthBiasClamp = 0.0f;
    rasterDesc.DepthClipEnable = true;
    rasterDesc.FillMode = D3D11_FILL_SOLID;
    rasterDesc.FrontCounterClockwise = false;
    rasterDesc.MultisampleEnable = false;
    rasterDesc.ScissorEnable = false;
    rasterDesc.SlopeScaledDepthBias = 0.0f;
 
    // Create the rasterizer state from the description we just filled out.
    result = device_->CreateRasterizerState(&rasterDesc, &raster_state_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create rasterizer state", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Now set the rasterizer state.
    device_context_->RSSetState(raster_state_);
 
    // Setup the viewport for rendering.
    viewport_.Width = (float)screenWidth;
    viewport_.Height = (float)screenHeight;
    viewport_.MinDepth = 0.0f;
    viewport_.MaxDepth = 1.0f;
    viewport_.TopLeftX = 0.0f;
    viewport_.TopLeftY = 0.0f;
 
    // Create the viewport.
    device_context_->RSSetViewports(1, &viewport_);
 
    // Setup the projection matrix.
    fieldOfView = 3.141592654f / 4.0f;
    screenAspect = (float)screenWidth / (float)screenHeight;
 
    // Create the projection matrix for 3D rendering.
    projection_matrix_ = XMMatrixPerspectiveFovLH(fieldOfView, screenAspect, screenNear, screenDepth);
 
    // initialize the world matrix to the identity matrix.
    world_matrix_ = XMMatrixIdentity();
 
    // Create an orthographic projection matrix for 2D rendering.
    ortho_matrix_ = XMMatrixOrthographicLH((float)screenWidth, (float)screenHeight, screenNear, screenDepth);
 
    // 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.  The only difference is 
    // that DepthEnable is set to false, all other parameters are the same as the other depth stencil state.
    depthDisabledStencilDesc.DepthEnable = false;
    depthDisabledStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
    depthDisabledStencilDesc.DepthFunc = D3D11_COMPARISON_LESS;
    depthDisabledStencilDesc.StencilEnable = true;
    depthDisabledStencilDesc.StencilReadMask = 0xFF;
    depthDisabledStencilDesc.StencilWriteMask = 0xFF;
    depthDisabledStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_INCR;
    depthDisabledStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
    depthDisabledStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_DECR;
    depthDisabledStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
 
    // Create the state using the device.
    result = device_->CreateDepthStencilState(&depthDisabledStencilDesc, &depth_disabled_stencil_state_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create depth disabled stencil state", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Clear the blend state description.
    ZeroMemory(&blendStateDescription, sizeof(D3D11_BLEND_DESC));
 
    // Create an alpha enabled blend state description.
    blendStateDescription.RenderTarget[0].BlendEnable = TRUE;
    blendStateDescription.RenderTarget[0].SrcBlend = D3D11_BLEND_ONE;
    blendStateDescription.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
    blendStateDescription.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
    blendStateDescription.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
    blendStateDescription.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
    blendStateDescription.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
    blendStateDescription.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
 
    // Create the blend state using the description.
    result = device_->CreateBlendState(&blendStateDescription, &alpha_enable_blending_state_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create alpha enabled blend state", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Modify the description to create an alpha disabled blend state description.
    blendStateDescription.RenderTarget[0].BlendEnable = FALSE;
 
    // Create the blend state using the description.
    result = device_->CreateBlendState(&blendStateDescription, &alpha_disable_blending_state_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create alpha disabled blend state", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    return true;
}
 
 
void d_3d_class::shutdown()
{
 
    Logger::Get().Log("Shutting down D3Dclass", __FILE__, __LINE__, Logger::LogLevel::Shutdown);
 
    // Before shutting down set to windowed mode or when you release the swap chain it will throw an exception.
    if (swap_chain)
    {
        swap_chain->SetFullscreenState(false, NULL);
    }
 
    if (alpha_enable_blending_state_)
    {
        alpha_enable_blending_state_->Release();
        alpha_enable_blending_state_ = 0;
    }
 
    if (alpha_disable_blending_state_)
    {
        alpha_disable_blending_state_->Release();
        alpha_disable_blending_state_ = 0;
    }
 
    if (depth_disabled_stencil_state_)
    {
        depth_disabled_stencil_state_->Release();
        depth_disabled_stencil_state_ = 0;
    }
 
    if (raster_state_)
    {
        raster_state_->Release();
        raster_state_ = 0;
    }
 
    if (depth_stencil_view_)
    {
        depth_stencil_view_->Release();
        depth_stencil_view_ = 0;
    }
 
    if (depth_stencil_state_)
    {
        depth_stencil_state_->Release();
        depth_stencil_state_ = 0;
    }
 
    if (depth_stencil_buffer_)
    {
        depth_stencil_buffer_->Release();
        depth_stencil_buffer_ = 0;
    }
 
    if (render_target_view_)
    {
        render_target_view_->Release();
        render_target_view_ = 0;
    }
 
    if (device_context_)
    {
        device_context_->Release();
        device_context_ = 0;
    }
 
    if (device_)
    {
        device_->Release();
        device_ = 0;
    }
 
    if (swap_chain)
    {
        swap_chain->Release();
        swap_chain = 0;
    }
 
    Logger::Get().Log("D3Dclass shutdown", __FILE__, __LINE__, Logger::LogLevel::Shutdown);
 
    return;
}
 
 
void d_3d_class::begin_scene(float red, float green, float blue, float alpha)
{
    float color[4];
 
 
    // Setup the color to clear the buffer to.
    color[0] = red;
    color[1] = green;
    color[2] = blue;
    color[3] = alpha;
 
    // Clear the back buffer.
    device_context_->ClearRenderTargetView(render_target_view_, color);
 
 
 
    // Clear the depth buffer.
    device_context_->ClearDepthStencilView(depth_stencil_view_, D3D11_CLEAR_DEPTH, 1.0f, 0);
 
    return;
}
 
 
void d_3d_class::end_scene()
{
    // Present the back buffer to the screen since rendering is complete.
    if (vsync_enabled_)
    {
        // Lock to screen refresh rate.
        swap_chain->Present(1, 0);
    }
    else
    {
        // Present as fast as possible.
        swap_chain->Present(0, 0);
    }
 
    return;
}
 
 
ID3D11Device* d_3d_class::get_device()
{
    return device_;
}
 
 
ID3D11DeviceContext* d_3d_class::get_device_context()
{
    return device_context_;
}
 
void d_3d_class::get_video_card_info(char* cardName, int& memory)
{
    strcpy_s(cardName, 128, video_card_description_);
    memory = video_card_memory_;
    return;
}
 
 
void d_3d_class::set_back_buffer_render_target()
{
    // Bind the render target view and depth stencil buffer to the output render pipeline.
    device_context_->OMSetRenderTargets(1, &render_target_view_, depth_stencil_view_);
 
    return;
}
 
 
void d_3d_class::reset_viewport()
{
    // Set the viewport.
    device_context_->RSSetViewports(1, &viewport_);
 
    return;
}
 
void d_3d_class::release_resources()
{
    Logger::Get().Log("Releasing D3D resources", __FILE__, __LINE__);
 
    // libere la vue
    if (render_target_view_)
    {
        render_target_view_->Release();
        render_target_view_ = 0;
    }
 
    // libere le buffer de profondeur
    if (depth_stencil_buffer_)
    {
        depth_stencil_buffer_->Release();
        depth_stencil_buffer_ = 0;
    }
 
    // libere la vue de profondeur
    if (depth_stencil_view_)
    {
        depth_stencil_view_->Release();
        depth_stencil_view_ = 0;
    }
 
    Logger::Get().Log("D3D resources released", __FILE__, __LINE__);
}
 
// Reset the resources for the swap chain
void d_3d_class::reset_resources(int newWidth, int newHeight)
{
    Logger::Get().Log("Resetting D3D resources", __FILE__, __LINE__);
 
    HRESULT result;
 
    ID3D11Texture2D* backBuffer;
    result = swap_chain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBuffer);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to get back buffer", __FILE__, __LINE__, Logger::LogLevel::Error);
        return;
    }
 
    result = device_->CreateRenderTargetView(backBuffer, NULL, &render_target_view_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create render target view", __FILE__, __LINE__, Logger::LogLevel::Error);
        return;
    }
 
    result = backBuffer->Release();
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to release back buffer", __FILE__, __LINE__, Logger::LogLevel::Error);
        return;
    }
 
    // Recreate the depth/stencil buffer and view
    D3D11_TEXTURE2D_DESC depthBufferDesc;
    ZeroMemory(&depthBufferDesc, sizeof(depthBufferDesc));
    depthBufferDesc.Width = newWidth;
    depthBufferDesc.Height = newHeight;
    depthBufferDesc.MipLevels = 1;
    depthBufferDesc.ArraySize = 1;
    depthBufferDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
    depthBufferDesc.SampleDesc.Count = 1;
    depthBufferDesc.SampleDesc.Quality = 0;
    depthBufferDesc.Usage = D3D11_USAGE_DEFAULT;
    depthBufferDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
    depthBufferDesc.CPUAccessFlags = 0;
    depthBufferDesc.MiscFlags = 0;
 
    D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
    ZeroMemory(&depthStencilViewDesc, sizeof(depthStencilViewDesc));
    depthStencilViewDesc.Format = depthBufferDesc.Format;
    depthStencilViewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
    depthStencilViewDesc.Texture2D.MipSlice = 0;
 
    // Other depthStencilDesc settings...
    result = device_->CreateTexture2D(&depthBufferDesc, NULL, &depth_stencil_buffer_);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create depth stencil buffer", __FILE__, __LINE__, Logger::LogLevel::Error);
        return;
    }
 
    result = device_->CreateDepthStencilView(depth_stencil_buffer_, &depthStencilViewDesc, &depth_stencil_view_); 
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to create depth stencil view", __FILE__, __LINE__, Logger::LogLevel::Error);
        return;
    }
 
    // Set the new render target and depth/stencil views for rendering
    device_context_->OMSetRenderTargets(1, &render_target_view_, depth_stencil_view_);
}
 
IDXGISwapChain* d_3d_class::get_swap_chain()
{
    return swap_chain;
}
 
void d_3d_class::resize_swap_chain(int newWidth, int newHeight)
{
 
    // log the new width and height
    Logger::Get().Log("Resizing swap chain to " + std::to_string(newWidth) + "x" + std::to_string(newHeight), __FILE__, __LINE__);
 
    HRESULT result;
 
    // Release existing DirectX resources
    release_resources();
    device_context_->Flush();
 
    // Resize the swap chain
    result = swap_chain->ResizeBuffers(0, newWidth, newHeight, DXGI_FORMAT_UNKNOWN, 0);
    if (FAILED(result))
    {
        Logger::Get().Log("Failed to resize swap chain", __FILE__, __LINE__, Logger::LogLevel::Error);
        return;
    }
 
    // Reset the resources
    reset_resources(newWidth, newHeight);
    
    // Update the viewport
    viewport_.Width = static_cast<float>(newWidth);
    viewport_.Height = static_cast<float>(newHeight);
    device_context_->RSSetViewports(1, &viewport_);
}
 
void d_3d_class::turn_z_buffer_on()
{
    device_context_->OMSetDepthStencilState(depth_stencil_state_, 1);
    return;
}
 
 
void d_3d_class::turn_z_buffer_off()
{
    device_context_->OMSetDepthStencilState(depth_disabled_stencil_state_, 1);
    return;
}
 
void d_3d_class::enable_alpha_blending()
{
    float blendFactor[4];
 
 
    // Setup the blend factor.
    blendFactor[0] = 0.0f;
    blendFactor[1] = 0.0f;
    blendFactor[2] = 0.0f;
    blendFactor[3] = 0.0f;
 
    // Turn on the alpha blending.
    device_context_->OMSetBlendState(alpha_enable_blending_state_, blendFactor, 0xffffffff);
 
    return;
}
 
void d_3d_class::disable_alpha_blending()
{
    float blendFactor[4];
 
 
    // Setup the blend factor.
    blendFactor[0] = 0.0f;
    blendFactor[1] = 0.0f;
    blendFactor[2] = 0.0f;
    blendFactor[3] = 0.0f;
 
    // Turn off the alpha blending.
    device_context_->OMSetBlendState(alpha_disable_blending_state_, blendFactor, 0xffffffff);
 
    return;
}
 
void d_3d_class::set_vsync(bool vsync)
{
    vsync_enabled_ = vsync;
}