本文整理汇总了C++中CD3DTexture::GetSurfaceLevel方法的典型用法代码示例。如果您正苦于以下问题：C++ CD3DTexture::GetSurfaceLevel方法的具体用法？C++ CD3DTexture::GetSurfaceLevel怎么用？C++ CD3DTexture::GetSurfaceLevel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CD3DTexture的用法示例。
在下文中一共展示了CD3DTexture::GetSurfaceLevel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: ReallocTexture
CBaseTexture* CGUIFontTTFDX::ReallocTexture(unsigned int& newHeight)
{
assert(newHeight != 0);
assert(m_textureWidth != 0);
if(m_textureHeight == 0)
{
delete m_texture;
m_texture = NULL;
delete m_speedupTexture;
m_speedupTexture = NULL;
}
m_staticCache.Flush();
m_dynamicCache.Flush();
CDXTexture* pNewTexture = new CDXTexture(m_textureWidth, newHeight, XB_FMT_A8);
pNewTexture->CreateTextureObject();
LPDIRECT3DTEXTURE9 newTexture = pNewTexture->GetTextureObject();
if (newTexture == NULL)
{
CLog::Log(LOGERROR, __FUNCTION__" - failed to create the new texture h=%d w=%d", m_textureWidth, newHeight);
SAFE_DELETE(pNewTexture);
return NULL;
}
// Use a speedup texture in system memory when main texture in default pool+dynamic
// Otherwise the texture would have to be copied from vid mem to sys mem, which is too slow for subs while playing video.
CD3DTexture* newSpeedupTexture = NULL;
if (g_Windowing.DefaultD3DPool() == D3DPOOL_DEFAULT && g_Windowing.DefaultD3DUsage() == D3DUSAGE_DYNAMIC)
{
newSpeedupTexture = new CD3DTexture();
if (!newSpeedupTexture->Create(m_textureWidth, newHeight, 1, 0, D3DFMT_A8, D3DPOOL_SYSTEMMEM))
{
SAFE_DELETE(newSpeedupTexture);
SAFE_DELETE(pNewTexture);
return NULL;
}
}
LPDIRECT3DSURFACE9 pSource, pTarget;
// There might be data to copy from the previous texture
if ((newSpeedupTexture && m_speedupTexture) || (newTexture && m_texture))
{
if (m_speedupTexture && newSpeedupTexture)
{
m_speedupTexture->GetSurfaceLevel(0, &pSource);
newSpeedupTexture->GetSurfaceLevel(0, &pTarget);
}
else
{
((CDXTexture *)m_texture)->GetTextureObject()->GetSurfaceLevel(0, &pSource);
newTexture->GetSurfaceLevel(0, &pTarget);
}
D3DLOCKED_RECT srclr, dstlr;
if(FAILED(pSource->LockRect( &srclr, NULL, 0 ))
|| FAILED(pTarget->LockRect( &dstlr, NULL, 0 )))
{
CLog::Log(LOGERROR, __FUNCTION__" - failed to lock surfaces");
SAFE_DELETE(newSpeedupTexture);
SAFE_DELETE(pNewTexture);
pSource->Release();
pTarget->Release();
return NULL;
}
unsigned char *dst = (unsigned char *)dstlr.pBits;
unsigned char *src = (unsigned char *)srclr.pBits;
unsigned int dstPitch = dstlr.Pitch;
unsigned int srcPitch = srclr.Pitch;
unsigned int minPitch = std::min(srcPitch, dstPitch);
if (srcPitch == dstPitch)
{
memcpy(dst, src, srcPitch * m_textureHeight);
}
else
{
for (unsigned int y = 0; y < m_textureHeight; y++)
{
memcpy(dst, src, minPitch);
src += srcPitch;
dst += dstPitch;
}
}
pSource->UnlockRect();
pTarget->UnlockRect();
pSource->Release();
pTarget->Release();
}
// Upload from speedup texture to main texture
if (newSpeedupTexture && m_speedupTexture)
{
LPDIRECT3DSURFACE9 pSource, pTarget;
newSpeedupTexture->GetSurfaceLevel(0, &pSource);
newTexture->GetSurfaceLevel(0, &pTarget);
const RECT rect = { 0, 0, m_textureWidth, m_textureHeight };
//.........这里部分代码省略.........