本文整理汇总了C++中LPDIRECT3DDEVICE8::CreateCubeTexture方法的典型用法代码示例。如果您正苦于以下问题：C++ LPDIRECT3DDEVICE8::CreateCubeTexture方法的具体用法？C++ LPDIRECT3DDEVICE8::CreateCubeTexture怎么用？C++ LPDIRECT3DDEVICE8::CreateCubeTexture使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LPDIRECT3DDEVICE8的用法示例。
在下文中一共展示了LPDIRECT3DDEVICE8::CreateCubeTexture方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: XBUtil_CreateNormalizationCubeMap
//-----------------------------------------------------------------------------
// Name: XBUtil_CreateNormalizationCubeMap()
// Desc: Creates a cubemap and fills it with normalized RGBA vectors
//-----------------------------------------------------------------------------
HRESULT XBUtil_CreateNormalizationCubeMap( LPDIRECT3DDEVICE8 pd3dDevice,
DWORD dwSize,
LPDIRECT3DCUBETEXTURE8* ppCubeMap )
{
HRESULT hr;
// Create the cube map
if( FAILED( hr = pd3dDevice->CreateCubeTexture( dwSize, 1, 0, D3DFMT_X8R8G8B8,
D3DPOOL_DEFAULT, ppCubeMap ) ) )
return E_FAIL;
// Allocate temp space for swizzling the cubemap surfaces
DWORD* pSourceBits = new DWORD[ dwSize * dwSize ];
// Fill all six sides of the cubemap
for( DWORD i=0; i<6; i++ )
{
// Lock the i'th cubemap surface
LPDIRECT3DSURFACE8 pCubeMapFace;
(*ppCubeMap)->GetCubeMapSurface( (D3DCUBEMAP_FACES)i, 0, &pCubeMapFace );
// Write the RGBA-encoded normals to the surface pixels
DWORD* pPixel = pSourceBits;
D3DXVECTOR3 n;
FLOAT w, h;
for( DWORD y = 0; y < dwSize; y++ )
{
h = (FLOAT)y / (FLOAT)(dwSize-1); // 0 to 1
h = ( h * 2.0f ) - 1.0f; // -1 to 1
for( DWORD x = 0; x < dwSize; x++ )
{
w = (FLOAT)x / (FLOAT)(dwSize-1); // 0 to 1
w = ( w * 2.0f ) - 1.0f; // -1 to 1
// Calc the normal for this texel
switch( i )
{
case D3DCUBEMAP_FACE_POSITIVE_X: // +x
n.x = +1.0;
n.y = -h;
n.z = -w;
break;
case D3DCUBEMAP_FACE_NEGATIVE_X: // -x
n.x = -1.0;
n.y = -h;
n.z = +w;
break;
case D3DCUBEMAP_FACE_POSITIVE_Y: // y
n.x = +w;
n.y = +1.0;
n.z = +h;
break;
case D3DCUBEMAP_FACE_NEGATIVE_Y: // -y
n.x = +w;
n.y = -1.0;
n.z = -h;
break;
case D3DCUBEMAP_FACE_POSITIVE_Z: // +z
n.x = +w;
n.y = -h;
n.z = +1.0;
break;
case D3DCUBEMAP_FACE_NEGATIVE_Z: // -z
n.x = -w;
n.y = -h;
n.z = -1.0;
break;
}
// Store the normal as an RGBA color
D3DXVec3Normalize( &n, &n );
*pPixel++ = XBUtil_VectorToRGBA( &n );
}
}
// Swizzle the result into the cubemap face surface
D3DLOCKED_RECT lock;
pCubeMapFace->LockRect( &lock, 0, 0L );
XGSwizzleRect( pSourceBits, 0, NULL, lock.pBits, dwSize, dwSize,
NULL, sizeof(DWORD) );
pCubeMapFace->UnlockRect();
// Release the cubemap face
pCubeMapFace->Release();
}
// Free temp space
SAFE_DELETE_ARRAY( pSourceBits );
//.........这里部分代码省略.........