发信人: wenbobo(灌了拂衣去)
整理人: wenbobo(2002-07-10 16:42:05), 站内信件
|
★原文转载自GameDevelop版wenbobo的《d3d frame真不好用，人类兄帮忙看看》★
这是我用dx8的frame框架写的第一个程序，以前自己直接写的都很好，但是这个就有问题，每次font的DrawText都出错:
错误点在SDK的samples\Multimedia\common\d3dfont.cpp里面：
HRESULT CD3DFont::DrawText( FLOAT sx, FLOAT sy, DWORD dwColor,
TCHAR* strText, DWORD dwFlags )
{
if( m_pd3dDevice == NULL )
return E_FAIL;
// Setup renderstate
m_pd3dDevice->CaptureStateBlock( m_dwSavedStateBlock );
m_pd3dDevice->ApplyStateBlock( m_dwDrawTextStateBlock );
//就是这里：
m_pd3dDevice->SetVertexShader( D3DFVF_FONT2DVERTEX );
...
与字体相关的用红色表示，完整程序如下：
#include <windows.h>
#include <d3d8.h>
#include "d3dapp.h"
#include "d3dfont.h"
#include "DXUtil.h"
class CMyD3DApplication: public CD3DApplication
{
CD3DFont* m_pFont; // Font for drawing text
HRESULT ConfirmDevice( D3DCAPS8*, DWORD, D3DFORMAT );
protected:
HRESULT OneTimeSceneInit();
HRESULT InitDeviceObjects();
HRESULT FrameMove();
HRESULT Render();
HRESULT DeleteDeviceObjects();
HRESULT FinalCleanup();
public:
CMyD3DApplication();
};
CMyD3DApplication::CMyD3DApplication():m_pFont(NULL)
{
m_strWindowTitle = _T("DirectX 8 program study");
m_bUseDepthBuffer = TRUE;
m_pFont = new CD3DFont( _T("Tahoma"), 18, D3DFONT_BOLD );
}
HRESULT CMyD3DApplication::ConfirmDevice( D3DCAPS8* pCaps, DWORD dwBehavior,
D3DFORMAT Format )
{
if( dwBehavior & D3DCREATE_PUREDEVICE )
return E_FAIL; // GetTransform doesn't work on PUREDEVICE
// This sample uses alpha textures and/or straight alpha. Make sure the
// device supports them
if( pCaps->TextureCaps & D3DPTEXTURECAPS_ALPHAPALETTE )
return S_OK;
if( pCaps->TextureCaps & D3DPTEXTURECAPS_ALPHA )
return S_OK;
return E_FAIL;
}
// Desc: Called during initial app startup, this function performs all the
// permanent initialization.
HRESULT CMyD3DApplication::OneTimeSceneInit()
{
return S_OK;
}
HRESULT CMyD3DApplication::InitDeviceObjects()
{
m_pFont->InitDeviceObjects( m_pd3dDevice );
return S_OK;
}
HRESULT CMyD3DApplication::DeleteDeviceObjects()
{
m_pFont->DeleteDeviceObjects();
return S_OK;
}
HRESULT CMyD3DApplication::FinalCleanup()
{
SAFE_DELETE( m_pFont );
return S_OK;
}
HRESULT CMyD3DApplication::FrameMove()
{
return S_OK;
}
HRESULT CMyD3DApplication::Render()
{
// Clear the viewport
m_pd3dDevice->Clear( 0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0,0,255), 1.0f, 0L );
// Begin the scene
if( SUCCEEDED( m_pd3dDevice->BeginScene() ) )
{
//就是这里出错
m_pFont->DrawText( 1, 1, D3DCOLOR_ARGB(255,255,255,0), _T("haha") );
// End the scene.
m_pd3dDevice->EndScene();
}
return S_OK;
}
CMyD3DApplication MyD3DApplication;
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR, INT )
{
if( FAILED( MyD3DApplication.Create( hInst ) ) )
return 0;
return MyD3DApplication.Run();
}
----
◢█◣◢█◣
◤◥◢█◤◥
◣◢█◤◣◢
◥█◤◥█◤ |
|