关于direct3D 显示三角图形问题~~~跪求大师解决~
求大神们帮我看看为啥就是不出那三角形~自己硬伤调试了一天没找出原因~我用的是VS2012；编译通过，没有提示错误~~~
代码有点长，有点乱~；劳烦各位牛b前辈费心~帮我解惑~
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/////MyDirect3d.h
#pragma once
//
// Our custom FVF, which describes our custom vertex structure.
#define D3DFVF_VERTEX (D3DFVF_XYZRHW | D3DFVF_DIFFUSE)
class CMyDirect3d
{
public:
//
private:
//
HRESULThr;
HWNDd3dhwnd;
boold3dfullscreen;
//
D3DDISPLAYMODEdisplayMode;
LPDIRECT3D9 d3d;
LPDIRECT3DDEVICE9d3dDevice;
D3DPRESENT_PARAMETERSd3dpp;
//
LPDIRECT3DVERTEXBUFFER9 vertexBuffer;
D3DXMATRIX World;
struct stD3DVertex
{
float x, y, z,rhw;
DWORD color;
};
//
public:
CMyDirect3d(void);
~CMyDirect3d(void);
CMyDirect3d(HWND hwnd, bool fullscreen);
//
bool Initialize();
bool RenderScreen();
bool InitializeObjects();
};
////MyDirect3d.cpp
#include "stdafx.h"
#include "MyDirect3d.h"
CMyDirect3d::CMyDirect3d(void)
{
}
CMyDirect3d::CMyDirect3d(HWND hwnd, bool fullscreen)
{
d3dhwnd = hwnd;
d3dfullscreen = fullscreen;
}
CMyDirect3d::~CMyDirect3d(void)
{
if(d3dDevice != NULL) d3dDevice->Release();
if(d3d != NULL) d3d->Release();
if(vertexBuffer != NULL) vertexBuffer->Release();
//
d3dDevice = NULL;
d3d = NULL;
vertexBuffer = NULL;
//MessageBox(NULL, TEXT("hfaf"), TEXT("he"), 0);
}
//////////////////////////////////////////////////////////////////////////
bool CMyDirect3d::Initialize()
{
// Create the D3D object.
d3d = Direct3DCreate9(D3D_SDK_VERSION);
if (d3d == NULL)
{
return false;
}
// Get the desktop display mode.
if (FAILED(d3d->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &displayMode)))
{
return false;
}
// Set up the structure used to create the D3Device
ZeroMemory(&d3dpp, sizeof(d3dpp));
if (d3dfullscreen)
{
d3dpp.Windowed = FALSE;
d3dpp.BackBufferWidth = 640;
d3dpp.BackBufferHeight = 480;
}
else
d3dpp.Windowed= TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = displayMode.Format;
hr = d3d->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, d3dhwnd,
D3DCREATE_HARDWARE_VERTEXPROCESSING, &d3dpp, &d3dDevice);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
//
if (!InitializeObjects())
{
return false;
}
return true;
}//end Initialize
bool CMyDirect3d::InitializeObjects()
{
//ColorVertex t;
// Create the vertex buffer.
hr = d3dDevice->CreateVertexBuffer(sizeof(stD3DVertex), 0, D3DFVF_VERTEX, D3DPOOL_DEFAULT,
&vertexBuffer, NULL);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
//
stD3DVertex triangle[]=
{
420.0f,150.0f,0.5f,1.0f,D3DCOLOR_XRGB(255,0,0),
420.0f,350.0f,0.5f,1.0f,D3DCOLOR_XRGB(0,255,0),
300.0f,350.0f,0.5f,1.0f,D3DCOLOR_XRGB(0,0,255),
};
// Fill the vertex buffer
void* p;
hr = vertexBuffer->Lock(0, sizeof(stD3DVertex), (void**)&p, 0);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
memcpy(p, triangle, sizeof(stD3DVertex));
vertexBuffer->Unlock();
//
//D3DXMATRIX proj;
//D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI*0.5f, 1.3333f, 1.0f, 1000.0f);
//d3dDevice->SetTransform(D3DTS_PROJECTION, &proj);
//d3dDevice->SetRenderState(D3DRS_LIGHTING, false);
//
return true;
}
//
bool CMyDirect3d::RenderScreen()
{
// Clear the back-buffer
hr = d3dDevice->Clear(0, NULL, D3DCLEAR_TARGET,
D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
// Begin the screen start rendering
d3dDevice->BeginScene();
//Render objDate
hr = d3dDevice->SetStreamSource(0, vertexBuffer, 0, sizeof(stD3DVertex));
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
hr = d3dDevice->SetFVF(D3DFVF_VERTEX);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
//D3DXMatrixTranslation(&World, -1.25f, 0.0f, 0.0f);
//hr = d3dDevice->SetTransform(D3DTS_WORLD, &World);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
//hr = d3dDevice->SetRenderState(D3DRS_SHADEMODE, D3DSHADE_FLAT);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
hr = d3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 1);
if (FAILED(hr))
{
DXTRACE_ERR_MSGBOX(DXGetErrorStringW(hr),hr);
return false;
}
// End the screen stop rendering
d3dDevice->EndScene();
// Display the screen.
d3dDevice->Present(NULL, NULL, NULL, NULL);
return true;
}
//DrawTringle.h
#pragma once
#include "resource.h"
// DrawTriangle.cpp : 定义应用程序的入口点。
//
#include "stdafx.h"
#include "DrawTriangle.h"
#include "MyDirect3d.h"
#define MAX_LOADSTRING 100
// 全局变量:
HINSTANCE hInst;// 当前实例
TCHAR szTitle[MAX_LOADSTRING];// 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING];// 主窗口类名
CMyDirect3d*pmyd3d;
// 此代码模块中包含的函数的前向声明:
ATOMMyRegisterClass(HINSTANCE hInstance);
BOOLInitInstance(HINSTANCE, int);
LRESULT CALLBACKWndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACKAbout(HWND, UINT, WPARAM, LPARAM);
int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,
_In_opt_ HINSTANCE hPrevInstance,
_In_ LPTSTR lpCmdLine,
_In_ int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// TODO: 在此放置代码。
MSG msg;
HACCEL hAccelTable;
ZeroMemory(&msg, sizeof(msg));
// 初始化全局字符串
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_DRAWTRIANGLE, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// 执行应用程序初始化:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_DRAWTRIANGLE));
// 主消息循环:
while (GetMessage(&msg, NULL, 0, 0))
{
if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
{
pmyd3d->RenderScreen();
}
}
delete pmyd3d;
return (int) msg.wParam;
}
//
// 函数: MyRegisterClass()
//
// 目的: 注册窗口类。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style= CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc= WndProc;
wcex.cbClsExtra= 0;
wcex.cbWndExtra= 0;
wcex.hInstance= hInstance;
wcex.hIcon= LoadIcon(hInstance, MAKEINTRESOURCE(IDI_DRAWTRIANGLE));
wcex.hCursor= LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground= NULL;
wcex.lpszMenuName= MAKEINTRESOURCE(IDC_DRAWTRIANGLE);
wcex.lpszClassName= szWindowClass;
wcex.hIconSm= LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassEx(&wcex);
}
//
// 函数: InitInstance(HINSTANCE, int)
//
// 目的: 保存实例句柄并创建主窗口
//
// 注释:
//
// 在此函数中，我们在全局变量中保存实例句柄并
// 创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // 将实例句柄存储在全局变量中
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, GetDesktopWindow(), NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
pmyd3d = new CMyDirect3d(hWnd, false);
if (!pmyd3d->Initialize())
{
MessageBox(NULL, TEXT("ha"), TEXT("CMyDirect3d::Initialize is false"), 0);
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// 函数: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// 目的: 处理主窗口的消息。
//
// WM_COMMAND- 处理应用程序菜单
// WM_PAINT- 绘制主窗口
// WM_DESTROY- 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// 分析菜单选择:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// “关于”框的消息处理程序。
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}
[解决办法]
