我正在尝试使用 DWrite 在我的 dx11 应用程序中绘制文本，但我遇到了很多问题，我在 D3D10 设备和 D3D11 设备之间共享资源，因为 dx10 能够将 D3D 与 D2D 连接起来，这是我的 GraphicsDevice 的代码：
// File: GraphicsDevice.h
#pragma once
#ifndef _GRAPHICSDEVICE_H_
#define _GRAPHICSDEVICE_H_
#ifndef _DEFINES_H_
#include "Defines.h"
#endif
#ifndef _COLOR_H_
#include "Color.h"
#endif
#ifndef _UTILITIES_H_
#include "Utilities.h"
#endif
#ifndef _DWRITE_H_
#include "DWrite.h"
#endif
// Forward declaration
namespace BSGameFramework { ref class Game; }
using namespace BSGameFramework;
using namespace System;
namespace BSGameFramework
{
namespace Graphics
{
public ref class GraphicsDevice
{
public:
/// <summary>GraphicsDevice constructor.</summary>
/// <param name="game">The game wich the device has to work.</param>
GraphicsDevice(Game^ game);
virtual ~GraphicsDevice();
/// <summary>Clear the screen.</summary>
/// <param name="color">The color that the screen background will assume after clearing.</param>
void Clear(Color color);
/// <summary>Render on the screen.</summary>
void Render();
/// <summary>Set the full screen state.</summary>
void FullScreen(bool isFullScreen);
property Color BlendFactor
{
Color get()
{
return blendFactor_;
}
void set(Color blendFactor_)
{
blendFactor_ = BlendFactor;
}
}
property D3D_DRIVER_TYPE DriverType
{
D3D_DRIVER_TYPE get()
{
return driverType_;
}
}
property D3D_FEATURE_LEVEL FeatureLevel
{
D3D_FEATURE_LEVEL get()
{
return featureLevel_;
}
}
property ID3D11Device* D3DDevice
{
ID3D11Device* get()
{
return d3dDevice_;
}
}
property ID3D11DeviceContext* D3DContext
{
ID3D11DeviceContext* get()
{
return d3dContext_;
}
}
property ID3D10Device1* D3DDevice10_1
{
ID3D10Device1* get()
{
return d3dDevice10_1_;
}
}
property ID2D1Factory* D2DFactory
{
ID2D1Factory* get()
{
return d2dFactory_;
}
}
property ID2D1RenderTarget* D2DRenderTarget
{
ID2D1RenderTarget* get()
{
return d2dRenderTarget_;
}
}
property ID2D1SolidColorBrush* D2DSolidColorBrush
{
ID2D1SolidColorBrush* get()
{
return d2dSolidColorBrush_;
}
}
property IDWriteFactory* DWriteFactory
{
IDWriteFactory* get()
{
return dWriteFactory_;
}
}
property int WindowWidth
{
int get()
{
return GetWindowWidth();
}
}
property int WindowHeight
{
int get()
{
return GetWindowHeight();
}
}
property HWND Window
{
HWND get()
{
return GetWindow();
}
}
property int SafeTitleArea
{
int get()
{
return safeTitleArea_;
}
void set(int safeTitleArea)
{
safeTitleArea_ = safeTitleArea;
}
}
private:
void CreateD3D11Resources();
void CreateD3D10Resources(ID3D11Texture2D* d3d11Texture);
void CreateD2D1Resources(ID3D10Texture2D* d3d10Texture);
Game^ game_;
Color blendFactor_;
D3D_DRIVER_TYPE driverType_;
D3D_FEATURE_LEVEL featureLevel_;
int safeTitleArea_;
int GetWindowWidth();
int GetWindowHeight();
HWND GetWindow();
// Direct3D 11
ID3D11Device* d3dDevice_;
ID3D11DeviceContext* d3dContext_;
// Direct3D 10
ID3D10Device1* d3dDevice10_1_;
// Direct2D
ID2D1Factory* d2dFactory_;
ID2D1RenderTarget* d2dRenderTarget_;
ID2D1SolidColorBrush* d2dSolidColorBrush_;
// DirectWrite
IDWriteFactory* dWriteFactory_;
IDXGISwapChain* swapChain_;
ID3D11RenderTargetView* backBufferTarget_;
};
}
}
#endif
// FILE: GraphicsDevice.cpp
#include "GraphicsDevice.h"
#include "Game.h"
#include "GraphicsDeviceNativeWrapper.h"
using namespace BSGameFramework::Graphics;
using namespace BSGameFramework;
inline GraphicsDevice::GraphicsDevice(Game^ game) : driverType_( D3D_DRIVER_TYPE_NULL ), featureLevel_( D3D_FEATURE_LEVEL_11_0 ),
d3dDevice_( 0 ), d3dContext_( 0 ), swapChain_( 0 ), backBufferTarget_( 0 )
{
game_ = game;
BlendFactor = Color::White;
CreateD3D11Resources();
}
inline GraphicsDevice::~GraphicsDevice()
{
if (backBufferTarget_)
{
backBufferTarget_->Release();
}
if (swapChain_)
{
swapChain_->Release();
}
if (d3dContext_)
{
d3dContext_->Release();
}
if (d3dDevice_)
{
d3dDevice_->Release();
}
backBufferTarget_ = 0;
swapChain_ = 0;
d3dContext_ = 0;
d3dDevice_ = 0;
}
inline void GraphicsDevice::Clear(Color color)
{
if (d3dContext_ == 0)
{
return;
}
float clearColor[4];
Vec4 convertedColor = Utilities::ColorToVec4(color);
clearColor[0] = convertedColor.values[0];
clearColor[1] = convertedColor.values[1];
clearColor[2] = convertedColor.values[2];
clearColor[3] = convertedColor.values[3];
d3dContext_->ClearRenderTargetView(backBufferTarget_, clearColor);
}
inline void GraphicsDevice::Render()
{
swapChain_->Present(0, 0);
}
inline void GraphicsDevice::FullScreen(bool isFullScreen)
{
swapChain_->SetFullscreenState(isFullScreen, NULL);
}
inline int GraphicsDevice::GetWindowWidth()
{
return game_->WindowWidth;
}
inline int GraphicsDevice::GetWindowHeight()
{
return game_->WindowHeight;
}
inline HWND GraphicsDevice::GetWindow()
{
return game_->Window;
}
#pragma region CreateD3D11Resources
inline void GraphicsDevice::CreateD3D11Resources()
{
HRESULT result;
RECT dimensions;
GetClientRect(Window, &dimensions);
unsigned int width = dimensions.right - dimensions.left;
unsigned int height = dimensions.bottom - dimensions.top;
D3D_DRIVER_TYPE driverTypes[] =
{
D3D_DRIVER_TYPE_HARDWARE,
D3D_DRIVER_TYPE_WARP,
D3D_DRIVER_TYPE_REFERENCE,
D3D_DRIVER_TYPE_SOFTWARE
};
unsigned int totalDriverTypes = ARRAYSIZE(driverTypes);
D3D_FEATURE_LEVEL featureLevels[] =
{
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0,
D3D_FEATURE_LEVEL_9_3,
D3D_FEATURE_LEVEL_9_2,
D3D_FEATURE_LEVEL_9_1
};
unsigned int totalFeatureLevels = ARRAYSIZE(featureLevels);
DXGI_SWAP_CHAIN_DESC swapChainDesc;
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
swapChainDesc.BufferCount = 2;
swapChainDesc.BufferDesc.Width = width;
swapChainDesc.BufferDesc.Height = height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.OutputWindow = game_->Window;
swapChainDesc.Windowed = true;
swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
unsigned int creationFlags = 0;
#ifdef _DEBUG
creationFlags |= D3D11_CREATE_DEVICE_DEBUG;
#endif
unsigned int driver = 0;
pin_ptr<IDXGISwapChain*> swapChainPointer;
swapChainPointer = &swapChain_;
pin_ptr<ID3D11Device*> d3dDevicePointer;
d3dDevicePointer = &d3dDevice_;
pin_ptr<D3D_FEATURE_LEVEL> featureLevelPointer;
featureLevelPointer = &featureLevel_;
pin_ptr<ID3D11DeviceContext*> d3dContextPointer;
d3dContextPointer = &d3dContext_;
for (driver = 0; driver < totalDriverTypes; ++driver)
{
result = D3D11CreateDeviceAndSwapChain(0, driverTypes[driver], 0, creationFlags, featureLevels, totalFeatureLevels,
D3D11_SDK_VERSION, &swapChainDesc, swapChainPointer,
d3dDevicePointer, featureLevelPointer, d3dContextPointer);
if (SUCCEEDED(result))
{
driverType_ = driverTypes[driver];
break;
}
}
if (FAILED(result))
{
DXTRACE_MSG("Failed to create the Direct3D device!");
return;
}
ID3D11Texture2D* backBufferTexture;
result = swapChain_->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBufferTexture);
if (FAILED(result))
{
DXTRACE_MSG("Failed to get the swap chain back buffer!");
return;
}
pin_ptr<ID3D11RenderTargetView*> backBufferTargetPointer;
backBufferTargetPointer = &backBufferTarget_;
result = d3dDevice_->CreateRenderTargetView(backBufferTexture, 0, backBufferTargetPointer);
if (FAILED(result))
{
DXTRACE_MSG("Failed to create the render target view!");
return;
}
d3dContext_->OMSetRenderTargets(1, backBufferTargetPointer, 0);
D3D11_VIEWPORT viewport;
viewport.Width = static_cast<float>(width);
viewport.Height = static_cast<float>(height);
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
viewport.TopLeftX = 0.0f;
viewport.TopLeftY = 0.0f;
d3dContext_->RSSetViewports(1, &viewport);
CreateD3D10Resources(backBufferTexture);
}
#pragma endregion
#pragma region CreateD3D10Resources
inline void GraphicsDevice::CreateD3D10Resources(ID3D11Texture2D* d3d11Texture)
{
//Load D3D10.DLL
HMODULE d3d10_1 = LoadLibrary("D3D10_1.dll");
// Get adapter of the current D3D11 device. Our D3D10 will run on the same adapter.
IDXGIDevice* dxgiDevice;
IDXGIAdapter* dxgiAdapter;
d3dDevice_->QueryInterface<IDXGIDevice>(&dxgiDevice);
dxgiDevice->GetAdapter(&dxgiAdapter);
SafeRelease<IDXGIDevice>(&dxgiDevice);
//Get address of the function D3D10CreateDevice1 dynamically.
typedef HRESULT (WINAPI* FN_D3D10CreateDevice1)(
IDXGIAdapter *pAdapter, D3D10_DRIVER_TYPE DriverType, HMODULE Software,
UINT Flags, D3D10_FEATURE_LEVEL1 HardwareLevel, UINT SDKVersion, ID3D10Device1 **ppDevice );
FN_D3D10CreateDevice1 fnCreate = (FN_D3D10CreateDevice1)GetProcAddress(d3d10_1, "D3D10CreateDevice1");
//Call D3D10CreateDevice1 dynamically.
pin_ptr<ID3D10Device1*> d3dDevice10_1Ptr = &d3dDevice10_1_;
fnCreate(dxgiAdapter, D3D10_DRIVER_TYPE_HARDWARE, NULL, D3D10_CREATE_DEVICE_BGRA_SUPPORT | D3D10_CREATE_DEVICE_DEBUG, D3D10_FEATURE_LEVEL_10_1, D3D10_1_SDK_VERSION, d3dDevice10_1Ptr);
//Create a D3D10.1 render target texture and share it with our D3D11.
D3D10_TEXTURE2D_DESC tDesc;
tDesc.Width = game_->WindowWidth;
tDesc.Height = game_->WindowHeight;
tDesc.MipLevels = 1;
tDesc.ArraySize = 1;
tDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
tDesc.SampleDesc.Count = 1;
tDesc.SampleDesc.Quality = 0;
tDesc.Usage = D3D10_USAGE_DEFAULT;
//EVEN IF YOU WON'T USE AS SHADER RESOURCE, SET THIS BIND FLAGS:
tDesc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
tDesc.CPUAccessFlags = 0;
tDesc.MiscFlags = D3D10_RESOURCE_MISC_SHARED;
//Create the RT texture on D3D10
ID3D10Texture2D* texture;
d3dDevice10_1_->CreateTexture2D(&tDesc, NULL, &texture);
//Get DXGI Resource and retrieve the sharing handle.
IDXGISurface* dxgiSurface;
IDXGIResource* dxgiResource;
HANDLE shareHandle;
texture->QueryInterface<IDXGISurface>(&dxgiSurface);
dxgiSurface->QueryInterface<IDXGIResource>(&dxgiResource);
dxgiResource->GetSharedHandle(&shareHandle);
SafeRelease(&dxgiResource);
SafeRelease(&dxgiSurface);
//Call D3D 11 to open shared resource.
ID3D11Resource* d3d11Resource;
d3dDevice_->OpenSharedResource(shareHandle, __uuidof(ID3D11Resource), (void**)&d3d11Resource);
d3d11Resource->QueryInterface<ID3D11Texture2D>(&d3d11Texture);
SafeRelease(&d3d11Resource);
if (d3d11Texture)
{
d3d11Texture->Release();
}
CreateD2D1Resources(texture);
}
#pragma endregion
#pragma region CreateD2D1Resources
inline void GraphicsDevice::CreateD2D1Resources(ID3D10Texture2D* d3d10Texture)
{
pin_ptr<ID2D1Factory*> d2dFactoryPtr = &d2dFactory_;
pin_ptr<IDWriteFactory*> dWriteFactoryPtr = &dWriteFactory_;
//pin_ptr<ID2D1HwndRenderTarget*> d2dRenderTargetPtr = &d2dRenderTarget_;
//pin_ptr<ID2D1SolidColorBrush*> D2DSolidColorBrushPtr = &d2dSolidColorBrush_;
GraphicsDeviceNativeWrapper::CreateFactories(Window, d2dFactoryPtr, dWriteFactoryPtr);
//Get DXGI Surface from the created render target.
IDXGISurface1* pRT10;
d3d10Texture->QueryInterface<IDXGISurface1>(&pRT10);
FLOAT dpiX;
FLOAT dpiY;
d2dFactory_->GetDesktopDpi(&dpiX, &dpiY);
// Create a DC render target.
D2D1_RENDER_TARGET_PROPERTIES props = D2D1::RenderTargetProperties(
D2D1_RENDER_TARGET_TYPE_DEFAULT,
D2D1::PixelFormat(DXGI_FORMAT_UNKNOWN, D2D1_ALPHA_MODE_IGNORE),
static_cast<float>(dpiX),
static_cast<float>(dpiY)
);
// Create a Direct2D render target.
// Assuming m_pD2DFactory was previously created with:
//D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, __uuidof(ID2D1Factory), NULL,
// (void**)(&m_pD2DFactory));
pin_ptr<ID2D1RenderTarget*> renderTargetPtr = &d2dRenderTarget_;
d2dFactory_->CreateDxgiSurfaceRenderTarget(pRT10, (const D2D1_RENDER_TARGET_PROPERTIES *)&props, renderTargetPtr);
pin_ptr<ID2D1SolidColorBrush*> solidColorBrushPtr = &d2dSolidColorBrush_;
d2dRenderTarget_->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::White), solidColorBrushPtr);
}
#pragma endregion
// File GraphicsDeviceNativeWrapper.h
#pragma once
#ifndef _GRAPHICSDEVICENATIVEWRAPPER_H_
#define _GRAPHICSDEVICENATIVEWRAPPER_H_
#ifndef _DWRITE_H_
#include "DWrite.h"
#endif
#pragma managed(push, false)
namespace BSGameFramework
{
namespace Graphics
{
class GraphicsDeviceNativeWrapper abstract sealed
{
public:
static void CreateFactories(HWND window, ID2D1Factory** d2dFactory, IDWriteFactory** dWriteFactory/*,ID2D1RenderTarget** d2dRenderTarget, ID2D1SolidColorBrush** d2dSolidColorBrush*/)
{
HRESULT result;
result = D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED,__uuidof(ID2D1Factory), NULL, (void**)d2dFactory);
if (SUCCEEDED(result))
{
result = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown**>(dWriteFactory));
}
RECT rc;
GetClientRect(window, &rc);
D2D1_SIZE_U size = D2D1::SizeU(rc.right - rc.left, rc.bottom - rc.top);
}
static void CreateTextFormat(const wchar_t* font, IDWriteFactory* factory, IDWriteTextFormat** format)
{
factory->CreateTextFormat(font, NULL, DWRITE_FONT_WEIGHT_REGULAR, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, 72.0f, L"en-us", format);
(*format)->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_CENTER);
(*format)->SetParagraphAlignment(DWRITE_PARAGRAPH_ALIGNMENT_CENTER);
}
};
}
}
#pragma managed(pop)
#endif
这是我的 SpriteBatch：
// File: SpriteBatch.h
#pragma once
#ifndef _SPRITEBATCH_H_
#define _SPRITEBATCH_H_
#ifndef _DEFINES_H_
#include "Defines.h"
#endif
#ifndef _GRAPHICRESOURCE_H_
#include "GraphicResource.h"
#endif
#ifndef _TEXTURE2D_H_
#include "Texture2D.h"
#endif
#ifndef _GRAPHICSDEVICE_H_
#include "GraphicsDevice.h"
#endif
#ifndef _SPRITESORTMODE_H_
#include "SpriteSortMode.h"
#endif
#ifndef _BLENDSTATE_H_
#include "BlendState.h"
#endif
#ifndef _NATIVESPRITEBATCH_H_
#include "NativeSpritebatch.h"
#endif
#ifndef _SPRITEEFFECT_H_
#include "SpriteEffect.h"
#endif
#ifndef _IDRAWABLECOMPONENT_H_
#include "IDrawableComponent.h"
#endif
#ifndef _SPRITEFONT_H_
#include "SpriteFont.h"
#endif
using namespace BSGameFramework::GameBase;
namespace BSGameFramework
{
namespace Graphics
{
public ref class SpriteBatch : GraphicResource
{
public:
SpriteBatch(GraphicsDevice^ graphicsDevice);
~SpriteBatch();
void Begin();
void Begin(SpriteSortMode sortMode, BlendState^ blendState);
void Draw(IDrawableComponent^ component);
void DrawString(SpriteFont^ font, System::String^ text, Vector2 position);
void End();
private:
bool CompileD3DShader(char* filePath, char* entry, char* shaderModel, ID3DBlob** buffer);
void SortByDepth();
SpriteSortMode sortMode_;
BlendState ^blendState_;
System::Collections::Generic::List<IDrawableComponent^>^ componentList_;
bool beginInvoked_;
ID3D11VertexShader* solidColorVS_;
ID3D11PixelShader* solidColorPS_;
ID3D11InputLayout* inputLayout_;
ID3D11Buffer* vertexBuffer_;
ID3D11BlendState* alphaBlendState_;
NativeSpritebatch* spriteBatch;
};
}
}
#endif
// File: SpriteBatch.cpp
#include "SpriteBatch.h"
#ifndef _SPRITEBATCHBEGINENDEXCEPTION_H_
#include "SpriteBatchBeginEndException.h"
#endif
using namespace BSGameFramework::Graphics;
using namespace BSGameFramework::Exception;
inline SpriteBatch::SpriteBatch(GraphicsDevice^ graphicsDevice) : alphaBlendState_( 0 )
{
graphicDevice_ = graphicsDevice;
sortMode_ = SpriteSortMode::Deferred;
blendState_ = BlendState::AlphaBlend;
// ID3DBlob contiene un puntatore ad un dato di lunghezza qualsiasi, GetBufferPointer restituisce il puntatore e GetBufferSize la grandezza
ID3DBlob* vsBuffer = 0;
// Compila lo shader e salva il risultato nel buffer
bool compileResult = CompileD3DShader("TextureMap.fx", "VS_Main", "vs_4_0", &vsBuffer);
if (compileResult == false)
{
DXTRACE_MSG("Error compiling the vertex shader!");
return;
}
HRESULT d3dResult;
pin_ptr<ID3D11VertexShader*> solidColorVSPointer;
solidColorVSPointer = &solidColorVS_;
// Crea il vertex shader e lo salva in solidColorVS_ di tipo ID3D11VertexShader*
d3dResult = Device->D3DDevice->CreateVertexShader(vsBuffer->GetBufferPointer(), vsBuffer->GetBufferSize(), 0, solidColorVSPointer);
if (FAILED(d3dResult))
{
DXTRACE_MSG("Error creating the vertex shader!");
if (vsBuffer)
{
vsBuffer->Release();
}
return;
}
D3D11_INPUT_ELEMENT_DESC solidColorLayout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 }
};
unsigned int totalLayoutElements = ARRAYSIZE(solidColorLayout);
pin_ptr<ID3D11InputLayout*> inputLayoutPointer;
inputLayoutPointer = &inputLayout_;
// Crea l'input layout e lo salva in inputLayout di tipo ID3D11InputLayout*
d3dResult = Device->D3DDevice->CreateInputLayout(solidColorLayout, totalLayoutElements, vsBuffer->GetBufferPointer(), vsBuffer->GetBufferSize(), inputLayoutPointer);
vsBuffer->Release();
if (FAILED(d3dResult))
{
DXTRACE_MSG("Error creating the input layout!");
return;
}
ID3DBlob* psBuffer = 0;
// Compila il pixel shader e salva il risultato in psBuffer
compileResult = CompileD3DShader("TextureMap.fx", "PS_Main", "ps_4_0", &psBuffer);
if (compileResult == false)
{
DXTRACE_MSG("Error compiling pixel shader!");
return;
}
pin_ptr<ID3D11PixelShader*> solidColorPSPointer;
solidColorPSPointer = &solidColorPS_;
// Crea il pixel shader e lo salva in solidColorPS_ di tipo ID3D11PixelShader*
d3dResult = Device->D3DDevice->CreatePixelShader(psBuffer->GetBufferPointer(), psBuffer->GetBufferSize(), 0, solidColorPSPointer);;
psBuffer->Release();
if (FAILED(d3dResult))
{
DXTRACE_MSG("Error creating pixel shader!");
return;
}
spriteBatch = new NativeSpritebatch(Device->D3DDevice);
// Spostare nel Begin successivamente
D3D11_BLEND_DESC blendDesc;
ZeroMemory(&blendDesc, sizeof(D3D11_BLEND_DESC));
blendDesc.AlphaToCoverageEnable = FALSE;
blendDesc.IndependentBlendEnable = FALSE;
blendDesc.RenderTarget[0].BlendEnable = TRUE;
blendDesc.RenderTarget[0].SrcBlend = D3D11_BLEND_SRC_ALPHA;
blendDesc.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
blendDesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_SRC_ALPHA;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_DEST_ALPHA;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
float blendFactor[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
pin_ptr<ID3D11BlendState*> alphaBlendStatePointer;
alphaBlendStatePointer = &alphaBlendState_;
Device->D3DDevice->CreateBlendState(&blendDesc, alphaBlendStatePointer);
Device->D3DContext->OMSetBlendState(alphaBlendState_, blendFactor, 0xFFFFFFFF);
}
inline SpriteBatch::~SpriteBatch()
{
}
inline void SpriteBatch::Begin()
{
if (beginInvoked_)
{
throw gcnew SpriteBatchBeginEndException("Beetween two SpriteBatch begin methods you must call SpriteBacth End method!");
}
beginInvoked_ = true;
Device->D2DRenderTarget->BeginDraw();
Device->D2DRenderTarget->SetTransform(D2D1::IdentityMatrix());
if (componentList_ == nullptr)
{
componentList_ = gcnew System::Collections::Generic::List<IDrawableComponent^>();
}
}
inline void SpriteBatch::Begin(SpriteSortMode sortMode, BlendState^ blendState)
{
Begin();
sortMode_ = sortMode;
}
inline void SpriteBatch::Draw(IDrawableComponent^ component)
{
if (component == nullptr)
{
throw gcnew ArgumentNullException("Component argument is null, please ensure to initialize all components correctly!");
}
else
{
componentList_->Add(component);
}
}
inline void SpriteBatch::DrawString(SpriteFont^ font, System::String^ text, Vector2 position)
{
RECT rc;
GetClientRect(Device->Window, &rc);
// Create a D2D rect that is the same size as the window.
D2D1_RECT_F layoutRect = D2D1::RectF(
static_cast<FLOAT>(rc.left) / font->DpiScaleX,
static_cast<FLOAT>(rc.top) / font->DpiScaleY,
static_cast<FLOAT>(rc.right - rc.left) / font->DpiScaleX,
static_cast<FLOAT>(rc.bottom - rc.top) / font->DpiScaleY
);
// Use the DrawText method of the D2D render target interface to draw.
WCHAR textUnicode = Utilities::StringToWCHAR(text);
UINT32 cTextLength_ = (UINT32) wcslen(&textUnicode);
Device->D2DSolidColorBrush->SetColor(D2D1::ColorF(0,0,0,1));
Device->D2DSolidColorBrush->SetColor(D2D1::ColorF(255, 255, 255, 255));
Device->D2DRenderTarget->DrawText(&textUnicode, cTextLength_, font->DWriteTextFormat, layoutRect, Device->D2DSolidColorBrush);
}
inline void SpriteBatch::End()
{
if (componentList_->Count)
{
if (sortMode_ == SpriteSortMode::BackToFront)
{
SortByDepth();
}
for (int i = 0; i < componentList_->Count; i++)
{
Texture* text = componentList_[i]->Texture->TextureInfo;
unsigned int stride = sizeof(VertexPos);
unsigned int offset = 0;
Device->D3DContext->IASetInputLayout(inputLayout_);
if (componentList_[i]->Effect != SpriteEffect::None)
{
ID3D11Buffer* vertexBuffer;
float width = (float)text->textureDesc_.Width;
float height = (float)text->textureDesc_.Height;
D3D11_BUFFER_DESC vertexDesc;
ZeroMemory(&vertexDesc, sizeof(vertexDesc));
vertexDesc.Usage = D3D11_USAGE_DYNAMIC;
vertexDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
vertexDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vertexDesc.ByteWidth = sizeof(VertexPos) * 6;
D3D11_SUBRESOURCE_DATA resourceData;
ZeroMemory(&resourceData, sizeof(resourceData));
pin_ptr<ID3D11Buffer*> vertexBufferPointer;
vertexBufferPointer = &vertexBuffer;
switch (componentList_[i]->Effect)
{
case BSGameFramework::Graphics::SpriteEffect::FlipHorizontally:
{
VertexPos verticesOne[] =
{
{ XMFLOAT3(width, height, 1.0f), XMFLOAT2(0.0f, 0.0f) },
{ XMFLOAT3(width, 0.0f, 1.0f), XMFLOAT2(0.0f, 1.0f) },
{ XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(1.0f, 1.0f) },
{ XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(1.0f, 1.0f) },
{ XMFLOAT3(0.0f, height, 1.0f), XMFLOAT2(1.0f, 0.0f) },
{ XMFLOAT3(width, height, 1.0f), XMFLOAT2(0.0f, 0.0f) },
};
resourceData.pSysMem = verticesOne;
Device->D3DDevice->CreateBuffer(&vertexDesc, &resourceData, vertexBufferPointer);
Device->D3DContext->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
break;
}
case BSGameFramework::Graphics::SpriteEffect::FlipVertically:
{
VertexPos verticesTwo[] =
{
{ XMFLOAT3(width, height, 1.0f), XMFLOAT2(1.0f, 1.0f) },
{ XMFLOAT3(width, 0.0f, 1.0f), XMFLOAT2(1.0f, 0.0f) },
{ XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(0.0f, 0.0f) },
{ XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(0.0f, 0.0f) },
{ XMFLOAT3(0.0f, height, 1.0f), XMFLOAT2(0.0f, 1.0f) },
{ XMFLOAT3(width, height, 1.0f), XMFLOAT2(1.0f, 1.0f) },
};
resourceData.pSysMem = verticesTwo;
Device->D3DDevice->CreateBuffer(&vertexDesc, &resourceData, vertexBufferPointer);
Device->D3DContext->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
break;
}
}
}
else
{
Device->D3DContext->IASetVertexBuffers(0, 1, &text->vertexBuffer_, &stride, &offset);
}
Device->D3DContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
Device->D3DContext->VSSetShader(solidColorVS_, 0, 0);
Device->D3DContext->PSSetShader(solidColorPS_, 0, 0);
Device->D3DContext->PSSetShaderResources(0, 1, &text->colorMap_);
Device->D3DContext->PSSetSamplers(0, 1, &text->colorMapSampler_);
spriteBatch->SetTranspose(Device->D3DContext, text, Device->WindowWidth, Device->WindowHeight, componentList_[i]->Position.X, componentList_[i]->Position.Y,
componentList_[i]->Scale.X, componentList_[i]->Scale.Y, componentList_[i]->Rotation);
Device->D3DContext->Draw(6, 0);
}
}
Device->D2DRenderTarget->EndDraw();
componentList_->Clear();
beginInvoked_ = false;
sortMode_ = SpriteSortMode::Deferred;
}
inline bool SpriteBatch::CompileD3DShader(char* filePath, char* entry, char* shaderModel, ID3DBlob** buffer)
{
DWORD shaderFlags = D3DCOMPILE_ENABLE_STRICTNESS;
#if defined(DEBUG) || defined(_DEBUG)
shaderFlags |= D3DCOMPILE_DEBUG;
#endif
ID3DBlob* errorBuffer = 0;
HRESULT result;
result = D3DX11CompileFromFile(filePath, 0, 0, entry, shaderModel, shaderFlags, 0, 0, buffer, &errorBuffer, 0);
if (FAILED(result))
{
if (errorBuffer != 0)
{
OutputDebugStringA((char*)errorBuffer->GetBufferPointer());
errorBuffer->Release();
}
return false;
}
if (errorBuffer != 0)
{
errorBuffer->Release();
}
return true;
}
inline void SpriteBatch::SortByDepth()
{
for (int i = 0; i < componentList_->Count - 1; i++)
{
for (int j = 1; j < componentList_->Count; j++)
{
if (componentList_[i]->ZIndex < componentList_[j]->ZIndex)
{
IDrawableComponent^ component = componentList_[i];
componentList_[i] = componentList_[j];
componentList_[j] = component;
}
}
}
}
当我从我的 C# 应用程序调用 SpriteBatch.DrawString(...) 时，我没有在我的屏幕上获得任何内容，可以请有人解释我缺少什么吗？我是 DirectX 编程的新手，所以请对我保持安静 xD 谢谢！