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楼主 |
发表于 2006-7-31 22:10:00
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Re:请教一个问题：纹理图形显示不出来。
原代码：
#include <d3dx9.h>
#include <d3d9.h>
#include <d3dx9math.h>
//#include <stdio.h>
//#include <dinput.h>
//#include <windows.h>
//#include <winuser.h>
//--------------------------------------------------------------------------
LPDIRECT3D9 dxdxzz = NULL; // Direct3D对象指针
LPDIRECT3DDEVICE9 dxsbzz = NULL; // Direct3D设备指针
LPDIRECT3DVERTEXBUFFER9 ddhcq1 = NULL;// 顶点缓冲区指针
LPDIRECT3DVERTEXBUFFER9 ddhcq2=0;
LPDIRECT3DINDEXBUFFER9 syhcq1=0;//索引缓冲区
//LPDIRECTINPUT8 didxzz = NULL;//IDirectInput对象指针
//IDirectInput8 *didxzz=0;
LPDIRECT3DTEXTURE9 wldxzz = NULL;//纹理对象指针
LPDIRECT3DVERTEXDECLARATION9 ddsmdx;//顶点声明对象。
IDirect3DVertexShader9* ddxrhs=0;//顶点渲染函数。
IDirect3DVertexShader9* ddxrhs2=0;
IDirect3DPixelShader9 *xsxrhs=NULL;//像素渲染函数。
IDirect3DPixelShader9 *xsxrhs2=0;
HWND ckjb;//定义窗口句柄。
//-----------------------------------------------------------------------------函数声明。
LRESULT WINAPI chuangkouguocheng(HWND ckjb, UINT msg, WPARAM wParam, LPARAM lParam);
void huitu();//绘图。
void shifangziyuan();//释放资源。
//void zuobiaozhuanhuan();//坐标转换。
//void guangzhao();//光照。
void chushihuadx();//初始化dx。
void xuanran();//渲染。
void zbzh();//坐标转换。
void chuangjianwenli();//创建纹理。
//-----------------------------------------------------------------------------变量声明。
float x=1.0f,y=3.0f,z=5.0f,xjd=0,yjd=0,zjd=0;
float a[19]={0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,-5.0f,0.0f,0.0f,0.0f,0.0f,1.0f,0.0f ,90.0f,1.0f,1.0f,100.0f};
float a1[19]={1.0f,1.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,-5.0f,0.0f,0.0f,0.0f,0.0f,1.0f,0.0f ,90.0f,1.0f,1.0f,100.0f};
float a2[12]={-1.0f,-5.0f,0.0f,0.1f,0.0f,0.0f,0.0f,0.0f,-10.0f,0.0f,0.0f,0.0f};
//-----------------------------------------------------------------------------定义结构体。
struct ddjg
{
D3DXVECTOR3 x;
D3DXVECTOR3 y;
D3DXVECTOR2 wl;
// float u,v;
};
struct xsjg
{
byte r,g,b,a;
};
//-----------------------------------------------------------------------------入口函数。
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
WNDCLASS chuangkoulei;//定义窗口类。
//窗口风格，P671。
chuangkoulei.style=0;//CS_HREDRAW | CS_VREDRAW;
//指向窗口过程。
chuangkoulei.lpfnWndProc=chuangkouguocheng;
//指定紧随WNDCLASS数据结构后分配的字节数，系统将起初始化为0。
chuangkoulei.cbClsExtra=0;
//指定紧随窗口实例之后分配的字节数，系统将起初始化为0。P671
chuangkoulei.cbWndExtra=0;
//标识了该窗口类的窗口过程所在的模块实例的句柄，不能为NULL。
chuangkoulei.hInstance=hInstance;
//标识了该窗口类的图标。P672
chuangkoulei.hIcon=LoadIcon(NULL,IDI_ERROR);//读标准图标。
//标识了该窗口类的光标。P672
chuangkoulei.hCursor=LoadCursor(NULL,IDC_ARROW);//读标准光标。
//背景颜色。P672
chuangkoulei.hbrBackground=0;//(HBRUSH)GetStockObject(BLACK_BRUSH);//设置背景。
//菜单名。P672
chuangkoulei.lpszMenuName=NULL;
//定义窗口类的名字。
chuangkoulei.lpszClassName="chuangkouleiming";
//注册窗口类。
RegisterClass(&chuangkoulei);
//创建窗口。
//CreateWindow(窗口类名，标题栏，窗口样式P11，X1，Y1，X2，Y2，指向创建此窗口的父窗口，
// 指向菜单的句柄，模块实例句柄，指向结构指针P11。)
//GetDesktopWindow()获取桌面窗口句柄，无返回值。
ckjb=CreateWindow("chuangkouleiming","biaotilan",WS_OVERLAPPEDWINDOW,
100,100,800,600,GetDesktopWindow(),0,hInstance,0);
//初始化dx。
chushihuadx();
//显示窗口。
ShowWindow(ckjb,SW_SHOWDEFAULT);
//更新窗口。
UpdateWindow(ckjb);
//消息循环。
MSG msg;
ZeroMemory( &msg, sizeof(msg) );
//GetMessage(指向MSG结构，标识要检查其消息的窗口 如果为NULL 则获取调用该函数的程序的任一
// 窗口，要获取的消息的最小整数值，--最大整数值。最后两个参数为0则获取所有消息。)
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
shifangziyuan();//释放资源，退出程序。
UnregisterClass("chuangkoulei",chuangkoulei.hInstance);
return 0;
}
//-------------------------------------------------------------------------窗口过程。
LRESULT WINAPI chuangkouguocheng(HWND ckjb, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_KEYDOWN:
{
switch (wParam)
{
case VK_ESCAPE:
PostQuitMessage(0);
break;
case VK_UP:
y=y-0.2f;
// huitu();
break;
case VK_DOWN:
y=y+0.2f;
// huitu();
break;
case VK_LEFT:
x=x-0.2f;
// huitu();
break;
case VK_RIGHT:
x=x+0.2f;
// huitu();
break;
case 71://g
a1[4]=a1[4]-0.1f;
break;
case 69://e
a1[1]=a1[1]+0.1f;
break;
case 68://d
a1[1]=a1[1]-0.1f;
break;
case 83://s
a1[0]=a1[0]-0.1f;
break;
case 70://f
a1[0]=a1[0]+0.1f;
break;
case 72://h
xjd=xjd-0.1f;
break;
case 73://i
zjd=zjd+0.1f;
break;
case 74://j
zjd=zjd-0.1f;
break;
}
}
//case WM_DESTROY://窗口结束消息。
// PostQuitMessage(0);
// return 0;
case WM_PAINT://无消息。P704
xuanran();
// ValidateRect( ckjb, NULL );
return 0;
}
return DefWindowProc(ckjb,msg,wParam,lParam);//其他消息。
return 0;
}
//----------------------------------------------------------------------渲染。
void xuanran()
{
dxsbzz->Clear( 0, NULL, D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER,//？
D3DCOLOR_XRGB(0,0,0), 1.0f, 0 );
dxsbzz->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
dxsbzz->BeginScene();
//*
dxsbzz->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
dxsbzz->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
dxsbzz->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
dxsbzz->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_DISABLE );
dxsbzz->SetSamplerState(0,D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
//*/
float yanse[]={0.2f,0.3f,0.8f};
dxsbzz->SetVertexShaderConstantF( 6, (float*)&yanse, 1 );
zbzh();
//设置当前渲染的顶点声明对象，表示渲染的渲染数据流的顶点信息，
dxsbzz->SetVertexDeclaration( ddsmdx );//(顶点声明对象)
//顶点缓冲区中的内容与相应的渲染数据流关联。
//SetStreamSource(渲染数据流序号，顶点缓冲区指针，启始位置，顶点大小)
dxsbzz->SetStreamSource( 0, ddhcq1, 0, sizeof(ddjg) );
//设置当前的顶点渲染函数。
dxsbzz->SetVertexShader( ddxrhs );//(顶点渲染函数)
dxsbzz->SetPixelShader( xsxrhs); //(像素渲染函数)
//dxsbzz: rawPrimitive(图元类型P36，绘制的起始顶点索引值，图元数量。)
// dxsbzz->DrawPrimitive( D3DPT_TRIANGLELIST, 0,2);
//关联索引缓冲区。
dxsbzz->SetIndices(syhcq1);
//DrawIndexedPrimitive(图元类型P36,索引缓冲区的启始地址，最小的索引值，绘制的顶点数目，
//第几个点开始绘制，图形数量。)
dxsbzz->DrawIndexedPrimitive(D3DPT_TRIANGLELIST,0,0,8,0,12);
memcpy(a,a1,76);
zbzh();
float yanse1[]={0.55f,0.7f,0.4f};
dxsbzz->SetVertexShaderConstantF( 6, (float*)&yanse1, 1 );
dxsbzz->DrawIndexedPrimitive(D3DPT_TRIANGLELIST,0,0,8,0,12);
float yanse2[]={0.2f,0.8f,0.3f};
dxsbzz->SetVertexShaderConstantF( 6, (float*)&yanse2, 1 );
memcpy(a,a2,48);
zbzh();
dxsbzz->SetStreamSource( 0, ddhcq2, 0, sizeof(ddjg) );
//dxsbzz->SetVertexShader( ddxrhs );//(顶点渲染函数)
//dxsbzz->SetPixelShader( xsxrhs);
//dxsbzz->SetIndices(syhcq1);
dxsbzz->DrawIndexedPrimitive(D3DPT_TRIANGLELIST,0,0,6,36,4);
//
dxsbzz->EndScene();
dxsbzz-> resent( NULL, NULL, NULL, NULL );
}
//-----------------------------------------------------------------------释放资源。
void shifangziyuan()
{
dxsbzz->Release();
dxdxzz->Release();
ddhcq1->Release();
ddhcq2->Release();
//wldxzz->Release();
}
//-----------------------------------------------------------------------初始化DX。
void chushihuadx()
{
dxdxzz = Direct3DCreate9( D3D_SDK_VERSION );//创建DX对象。
//创建DX设备对象。P17
//设置传递给LPDIRECT3D9::CreateDevice的参数
//D3DDISPLAYMODE d3ddm;
//dxdxzz->GetAdapterDisplayMode( D3DADAPTER_DEFAULT, &d3ddm );//查询显示模式信息。
D3DPRESENT_PARAMETERS d3dpp;//设备信息结构。
ZeroMemory( &d3dpp, sizeof(d3dpp) );//用0填充内存区域。
d3dpp.Windowed = TRUE;//显示方式，TRUE=窗口，FALSE=全屏。
d3dpp.SwapEffect =D3DSWAPEFFECT_DISCARD;//后台缓存复制到前台后，清除后台缓存内容。
d3dpp.hDeviceWindow=ckjb;//关联窗口句柄。
d3dpp.BackBufferFormat =D3DFMT_UNKNOWN;//d3ddm.Format;//D3DFMT_UNKNOWN;
d3dpp.EnableAutoDepthStencil = TRUE;//打开深度缓冲区。
d3dpp.AutoDepthStencilFormat = D3DFMT_D16;//深度缓冲区中一个像素由16位整数表示。
//CreateDevice(显示卡序号，DX设备类型，所属窗口句柄，DX设备进行3D运算的方式P18，
//存储DX设备信息的变量地址，返回DX设备接口指针的地址。)
dxdxzz->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
ckjb,D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &dxsbzz );
//创建顶点缓冲区。P42
//CreateVertexBuffer(大小 字节，属性，顶点格式，内存位置，ddhcqzz，保留)
dxsbzz->CreateVertexBuffer( 10240,0, 0,D3DPOOL_DEFAULT, &ddhcq1,NULL );
dxsbzz->CreateVertexBuffer( 10240,0, 0,D3DPOOL_DEFAULT, &ddhcq2,NULL );
//创建索引缓冲区。
//CreateIndexBuffer(大小 字节，属性，元素格式16位或32位索引，内存位置，syhcqzz,保留)
dxsbzz->CreateIndexBuffer(100,0,D3DFMT_INDEX16,D3DPOOL_DEFAULT,&syhcq1,0);
//创建纹理。P116
dxsbzz->CreateTexture(120,60,1,0,D3DFMT_A8R8G8B8,D3DPOOL_MANAGED,&wldxzz,0);
chuangjianwenli();
// dxsbzz->SetTexture( 0, wldxzz );
//绘图。
huitu();
//P256。
D3DVERTEXELEMENT9 ddgs1[] =//顶点格式1。
{
{ 0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0 },
{ 0, 12, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, 3, 0 },
{0,24,D3DDECLTYPE_FLOAT2,D3DDECLMETHOD_DEFAULT,5,0},
D3DDECL_END()
};
//创建顶点声明对象。CreateVertexDeclaration(顶点格式，顶点声明对象指针的存储地址)
dxsbzz->CreateVertexDeclaration( ddgs1, &ddsmdx );
//*创建顶点渲染函数。
//编译渲染指令。c0变换矩阵，c4亮度，c5光的方向向量，c6反射系数。
LPD3DXBUFFER zldmdz;//指令代码地址。
char xrzl[]="vs_2_0 \n dcl_position v0 \n dcl_normal v1 \n dcl_texcoord0 v2 def c4,0.9f,0.9f,0.9f,0.0f \n def c5,0.5f,0.7f,0.2f,0.0f m4x4 oPos,v0,c0 \n dp3 r1,v1,c5 mul r2,r1,c4 mul oD0,r2,c6 mov oT0.xy,v2";
//D3DXAssembleShader(渲染指令，渲染指令长度，顶点渲染预定义0，D3D效果文件使用0，
// 编译指令选项0，指令代码地址，生成错误信息 0=不生成，P257)
D3DXAssembleShader(xrzl,strlen(xrzl),0,0,0,&zldmdz,0);
//创建顶点渲染函数CreateVertexShader(指令地址，生成的顶点渲染函数指针。)
dxsbzz->CreateVertexShader((DWORD*)zldmdz->GetBufferPointer(),&ddxrhs);
zldmdz->Release();
//*/ mul oD0,r2,c6\ add r0,r0,v0\ texld r0,t0,s0
//创建像素渲染函数。
LPD3DXBUFFER xszldz;//像素指令地址。
char xszl[]="ps_2_0 \n def c1,0.9f,0.5f,0.3f,0.0f \n dcl_2d s0 dcl v0 \n dcl t0 texld r0,t0,s0 add r0,r0,v0 mov oC0,r0";//像素指令
//D3DXAssembleShader(渲染指令，渲染指令长度，顶点渲染预定义0，D3D效果文件使用0，
// 编译指令选项0，指令代码地址，生成错误信息 0=不生成，P257)
D3DXAssembleShader(xszl,strlen(xszl),0,0,0,&xszldz,0);
dxsbzz->CreatePixelShader((DWORD*)xszldz->GetBufferPointer(),
&xsxrhs);
xszldz->Release();
}
//-----------------------------------------------------------------------------绘图。
void huitu()
{
//*
ddjg* nczzdz;//内存指针地址。
//ddhcqzz: ock(加锁内存起始地址，加锁内存大小，返回内存指针地址，属性P44。)
ddhcq1->Lock( 0, 0, (void**)&nczzdz, 0 );
//定义三角形顶点数据。
nczzdz[0].x=D3DXVECTOR3(1.0f,0.0f,0.0f);//1 0 0 0
nczzdz[0].y=D3DXVECTOR3(1.0f,1.0f,0.0f);
nczzdz[0].wl=D3DXVECTOR2(0.0f,0.0f);
nczzdz[1].x=D3DXVECTOR3(0.0f,1.0f,0.0f);//0 1 0 1
nczzdz[1].y=D3DXVECTOR3(0.0f,1.0f,0.0f);
nczzdz[1].wl=D3DXVECTOR2(0.0f,1.0f);
nczzdz[2].x=D3DXVECTOR3(0.0f,0.0f,0.0f);//0 0 0 2
nczzdz[2].y=D3DXVECTOR3(1.0f,0.0f,0.0f);
nczzdz[2].wl=D3DXVECTOR2(1.0f,0.0f);
nczzdz[3].x=D3DXVECTOR3(1.0f,1.0f,0.0f);//1 1 0 3
nczzdz[3].y=D3DXVECTOR3(1.0f,1.0f,1.0f);
nczzdz[3].wl=D3DXVECTOR2(1.0f,1.0f);
nczzdz[4].x=D3DXVECTOR3(0.0f,1.0f,1.0f);//0 1 1 4
nczzdz[4].y=D3DXVECTOR3(0.0f,0.0f,1.0f);
nczzdz[4].wl=D3DXVECTOR2(0.0f,1.0f);
nczzdz[5].x=D3DXVECTOR3(0.0f,0.0f,1.0f);//0 0 1 5
nczzdz[5].y=D3DXVECTOR3(0.0f,0.0f,1.0f);
nczzdz[5].wl=D3DXVECTOR2(1.0f,0.0f);
nczzdz[6].x=D3DXVECTOR3(1.0f,1.0f,1.0f);//1 1 1 6
nczzdz[6].y=D3DXVECTOR3(0.4f,0.2f,0.3f);
nczzdz[6].wl=D3DXVECTOR2(0.0f,0.0f);
nczzdz[7].x=D3DXVECTOR3(1.0f,0.0f,1.0f);//1 0 1 7
nczzdz[7].y=D3DXVECTOR3(0.4f,0.2f,0.3f);
nczzdz[7].wl=D3DXVECTOR2(0.0f,1.0f);
ddhcq1->Unlock();
//*
ddjg* nczzdz2;
ddhcq2->Lock(0,0,(void**)&nczzdz2,0);
nczzdz2[0].x=D3DXVECTOR3(-2.0f,0.0f,-2.0f);
nczzdz2[0].y=D3DXVECTOR3(0.4f,1.0f,0.6f);
nczzdz2[0].wl=D3DXVECTOR2(0.0f,1.0f);
nczzdz2[1].x=D3DXVECTOR3(2.0f,0.0f,-2.0f);
nczzdz2[1].y=D3DXVECTOR3(0.4f,1.0f,0.6f);
nczzdz2[1].wl=D3DXVECTOR2(1.0f,0.5f);
nczzdz2[2].x=D3DXVECTOR3(2.0f,0.0f,2.0f);
nczzdz2[2].y=D3DXVECTOR3(0.4f,1.0f,0.6f);
nczzdz2[2].wl=D3DXVECTOR2(0.5f,0.0f);
nczzdz2[3].x=D3DXVECTOR3(-2.0f,0.0f,2.0f);
nczzdz2[3].y=D3DXVECTOR3(0.4f,1.0f,0.6f);
nczzdz2[3].wl=D3DXVECTOR2(1.0f,0.0f);
nczzdz2[4].x=D3DXVECTOR3(6.0f,0.0f,-2.0f);
nczzdz2[4].y=D3DXVECTOR3(0.4f,1.0f,0.6f);
nczzdz2[4].wl=D3DXVECTOR2(0.5f,0.0f);
nczzdz2[5].x=D3DXVECTOR3(6.0f,0.0f,2.0f);
nczzdz2[5].y=D3DXVECTOR3(0.4f,1.0f,0.6f);
nczzdz2[5].wl=D3DXVECTOR2(0.0f,0.5f);
ddhcq2->Unlock();
//*/
WORD lssz[]={2,0,1,0,1,3,3,0,7,7,6,3,1,3,4,3,4,6,2,0,5,5,0,7,5,7,4,4,7,6,1,4,5,1,5,2 ,0,1,2,0,2,3,1,2,4,4,2,5};
void *synczzdz;//索引内存指针地址。
syhcq1->Lock( 0, 0, (void**)&synczzdz, 0 );
memcpy(synczzdz,lssz,sizeof(lssz));
syhcq1->Unlock();
}
void zbzh()
{
D3DXMATRIXA16 MatResult;
D3DXMATRIXA16 matWorld;
D3DXMATRIXA16 pyjz;
D3DXMATRIXA16 xzjzx;
D3DXMATRIXA16 xzjzy;
D3DXMATRIXA16 xzjzz;
// UINT iTime = timeGetTime() % 1000;
// FLOAT fAngle = iTime * (2.0f * D3DX_PI) / 1000.0f;
D3DXMatrixTranslation(&pyjz,a[0],a[1],a[2]);
D3DXMatrixRotationX( &xzjzx,a[3]);
D3DXMatrixRotationY( &xzjzy,a[4]);
D3DXMatrixRotationZ( &xzjzz,a[5]);
D3DXMatrixMultiply(&matWorld,&xzjzx,&xzjzy);
D3DXMatrixMultiply(&matWorld,&matWorld,&xzjzz);
D3DXMatrixMultiply(&matWorld,&matWorld,&pyjz);
// D3DXMatrixTranslation( &matWorld, 0,0,0 );
D3DXVECTOR3 vEyePt( a[6],a[7],a[8] );
D3DXVECTOR3 vLookatPt( a[9], a[10], a[11] );
D3DXVECTOR3 vUpVec( a[12], a[13], a[14] );
D3DXMATRIXA16 matView;
D3DXMatrixLookAtLH( &matView, &vEyePt, &vLookatPt, &vUpVec );
D3DXMATRIXA16 matProj;
D3DXMatrixPerspectiveFovLH( &matProj, a[15], a[16], a[17], a[18] );
D3DXMatrixMultiply (&MatResult,&matWorld,&matView);
D3DXMatrixMultiply (&MatResult,&MatResult,&matProj);
D3DXMatrixTranspose( &MatResult, &MatResult );
//第几个开始定义，定义的常量值，定义的数目。
dxsbzz->SetVertexShaderConstantF( 0, (float*)&MatResult, 4 );
}
//---------------------------------------------------------------------创建纹理。
void chuangjianwenli()
{
//*
// dxsbzz->CreateTexture(120,60,1,0,D3DFMT_X8R8G8B8,D3DPOOL_MANAGED,&wldxzz,0);
D3DLOCKED_RECT lsxx;//返回的加锁区域信息。临时信息。
wldxzz->LockRect( 0,&lsxx,0,0);
byte *wlncdz=(byte *)lsxx.pBits;//纹理内存地址。
for(int i=0;i<7200;i=i+4)
{
wlncdz=255;
wlncdz[i+1]=255;
// wlncdz[i+2]=255;
}
wldxzz->UnlockRect(0);
//*/
} |
|
发表于 2006-7-31 22:07:00
