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楼主 |
发表于 2010-2-22 21:18:00
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Re:d3d纹理映射的功能无法实现， 请大家帮忙解决下， 谢谢
//**********d3dUtility.cpp
#include "d3dUtility.h"
//
// Globals
//
IDirect3DDevice9* Device = 0;
const int Width = 640;
const int Height = 480;
IDirect3DVertexBuffer9* Quad = 0;
IDirect3DTexture9* Tex = 0;
//
// Classes and Structures
//
struct Vertex
{
Vertex(){}
Vertex(
float x, float y, float z,
float nx, float ny, float nz,
float u, float v)
{
_x = x; _y = y; _z = z;
_nx = nx; _ny = ny; _nz = nz;
_u = u; _v = v;
}
float _x, _y, _z;
float _nx, _ny, _nz;
float _u, _v; // texture coordinates
static const DWORD FVF;
};
const DWORD Vertex::FVF = D3DFVF_XYZ | D3DFVF_NORMAL | D3DFVF_TEX1;
//
// Framework Functions
//
bool Setup()
{
//
// Create the quad vertex buffer and fill it with the
// quad geoemtry.
//
Device->CreateVertexBuffer(
6 * sizeof(Vertex),
D3DUSAGE_WRITEONLY,
Vertex::FVF,
D3DPOOL_MANAGED,
&Quad,
0);
Vertex* v;
Quad->Lock(0, 0, (void**)&v, 0);
// quad built from two triangles, note texture coordinates:
v[0] = Vertex(-1.0f, -1.0f, 1.25f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f);
v[1] = Vertex(-1.0f, 1.0f, 1.25f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
v[2] = Vertex( 1.0f, 1.0f, 1.25f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f);
v[3] = Vertex(-1.0f, -1.0f, 1.25f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f);
v[4] = Vertex( 1.0f, 1.0f, 1.25f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f);
v[5] = Vertex( 1.0f, -1.0f, 1.25f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f);
Quad->Unlock();
//
// Create the texture and set filters.
//
HRESULT hr = 0;
hr = D3DXCreateTextureFromFile(
Device,
"E:\VS2008\Projects\TexQuad\dx5_logo.bmp",
&Tex);
if(hr == D3D_OK)
{
::MessageBox(0, "CreateTexture return D3D_OK", 0, 0);
}
else if(hr == D3DERR_NOTAVAILABLE)
::MessageBox(0, "CreateTexture return D3DERR_NOTAVAILABLE", 0, 0);
else if(hr == D3DERR_OUTOFVIDEOMEMORY)
::MessageBox(0, "CreateTexture return D3DERR_OUTOFVIDEOMEMORY", 0,0);
else if(hr == D3DERR_INVALIDCALL)
::MessageBox(0, "CreateTexture return D3DERR_INVALIDCALL", 0, 0);
else if(hr == D3DXERR_INVALIDDATA_OUTOFMEMORY)
;
else
::MessageBox(0, "Unknown FAILED", 0, 0);
Device->SetTexture(0, Tex);
Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
Device->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_POINT);
//
// Don't use lighting for this sample.
//
Device->SetRenderState(D3DRS_LIGHTING, false);
//
// Set the projection matrix.
//
D3DXMATRIX proj;
D3DXMatrixPerspectiveFovLH(
&proj,
D3DX_PI * 0.5f, // 90 - degree
(float)Width / (float)Height,
1.0f,
1000.0f);
Device->SetTransform(D3DTS_PROJECTION, &proj);
return true;
}
void Cleanup()
{
d3d::Release<IDirect3DVertexBuffer9*>(Quad);
d3d::Release<IDirect3DTexture9*>(Tex);
}
bool Display(float timeDelta)
{
if( Device )
{
Device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xffffffff, 1.0f, 0);
Device->BeginScene();
Device->SetStreamSource(0, Quad, 0, sizeof(Vertex));
Device->SetFVF(Vertex::FVF);
Device->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 2);
Device->EndScene();
Device-> resent(0, 0, 0, 0);
}
return true;
}
//
// WndProc
//
LRESULT CALLBACK d3d::WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch( msg )
{
case WM_DESTROY:
: ostQuitMessage(0);
break;
case WM_KEYDOWN:
if( wParam == VK_ESCAPE )
: estroyWindow(hwnd);
break;
}
return ::DefWindowProc(hwnd, msg, wParam, lParam);
}
//
// WinMain
//
int WINAPI WinMain(HINSTANCE hinstance,
HINSTANCE prevInstance,
PSTR cmdLine,
int showCmd)
{
if(!d3d::InitD3D(hinstance,
Width, Height, true, D3DDEVTYPE_REF, &Device))
{
::MessageBox(0, "InitD3D() - FAILED", 0, 0);
return 0;
}
if(!Setup())
{
::MessageBox(0, "Setup() - FAILED", 0, 0);
return 0;
}
d3d::EnterMsgLoop( Display );
Cleanup();
Device->Release();
return 0;
} |
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发表于 2010-2-16 23:34:00
