bool StDXManager::checkAqbsSupport(const HWND theWinHandle) {
if(!initDxLib()) {
return false;
}
const UINT aD3dAdaptersNb = getAdapterCount();
D3DADAPTER_IDENTIFIER9 anAdapterInfo;
for(UINT anAdapterIter = 0; anAdapterIter < aD3dAdaptersNb; ++anAdapterIter) {
getAdapterIdentifier(anAdapterIter, 0, &anAdapterInfo);
if(anAdapterInfo.VendorId != ST_DX_VENDOR_AMD) {
continue;
}
// setup the present parameters
if(getAdapterDisplayMode(anAdapterIter, &myCurrMode) == D3D_OK) {
myD3dParams.BackBufferFormat = myCurrMode.Format;
myRefreshRate = myCurrMode.RefreshRate;
}
// create temporary video device
myD3dParams.hDeviceWindow = theWinHandle;
myD3dDevice = createAqbsTmpDevice(anAdapterIter, theWinHandle, myD3dParams);
if(myD3dDevice == NULL) {
continue;
}
// create a surface to be used to communicate with the driver
StHandle<StDXAqbsControl> anAqbsControl = new StDXAqbsControl(myD3dDevice);
if(!anAqbsControl->isValid()) {
myD3dDevice->Release();
myD3dDevice = NULL;
return false;
}
// send the command to the driver using the temporary surface
if(!anAqbsControl->enableStereo()) {
anAqbsControl.nullify();
myD3dDevice->Release();
myD3dDevice = NULL;
return false;
}
myWithAqbs = true;
anAqbsControl.nullify();
myD3dDevice->Release();
myD3dDevice = NULL;
return true;
}
return false;
}
IDirect3DDevice9* StDXManager::createAqbsDevice(const UINT theAdapterId,
const HWND theWinHandle,
const D3DPRESENT_PARAMETERS& theD3dParams) {
// first create a temporary windowed device
IDirect3DDevice9* aD3dDevTmp = StDXManager::createAqbsTmpDevice(theAdapterId, theWinHandle, theD3dParams);
if(aD3dDevTmp == NULL) {
return NULL;
}
// create a surface to be used to communicate with the driver
StHandle<StDXAqbsControl> anAqbsControl = new StDXAqbsControl(aD3dDevTmp);
if(!anAqbsControl->isValid()) {
ST_DEBUG_LOG("StDXManager::createAqbsDevice(), fail to create AQBS sufrace");
aD3dDevTmp->Release();
aD3dDevTmp = NULL;
return NULL;
}
// send the command to the driver using the temporary surface
if(!anAqbsControl->enableStereo()) {
ST_DEBUG_LOG("StDXManager::createAqbsDevice(), fail to enable stereo via AQBS sufrace");
anAqbsControl.nullify();
aD3dDevTmp->Release();
aD3dDevTmp = NULL;
return NULL;
}
myWithAqbs = true;
// see what stereo modes are available
ATIDX9GETDISPLAYMODES aDispModeParams;
stMemSet(&aDispModeParams, 0, sizeof(ATIDX9GETDISPLAYMODES));
// send stereo command to get the number of available stereo modes.
if(!anAqbsControl->sendCommand(ATI_STEREO_GETDISPLAYMODES,
(BYTE* )&aDispModeParams, sizeof(ATIDX9GETDISPLAYMODES))) {
ST_DEBUG_LOG("StDXManager::createAqbsDevice(), fail to enumerate stereo modes via AQBS sufrace");
anAqbsControl.nullify();
aD3dDevTmp->Release();
aD3dDevTmp = NULL;
return NULL;
}
if(aDispModeParams.dwNumModes != 0) {
// allocating memory to get the list of modes.
aDispModeParams.pStereoModes = new D3DDISPLAYMODE[aDispModeParams.dwNumModes];
// send stereo command to get the list of stereo modes
if(!anAqbsControl->sendCommand(ATI_STEREO_GETDISPLAYMODES,
(BYTE* )&aDispModeParams, sizeof(ATIDX9GETDISPLAYMODES))) {
ST_DEBUG_LOG("StDXManager::createAqbsDevice(), fail to retrieve stereo modes via AQBS sufrace");
anAqbsControl.nullify();
aD3dDevTmp->Release();
aD3dDevTmp = NULL;
delete[] aDispModeParams.pStereoModes;
return NULL;
}
}
anAqbsControl.nullify();
int aResFormatMatch = -1;
///ST_DEBUG_LOG(" DX CUDD " + printDisplayFormat(theD3dParams));
///ST_DEBUG_LOG(" DX CURR " + printDisplayFormat(myCurrMode));
for(int aDispModeIter = int(aDispModeParams.dwNumModes - 1); aDispModeIter >= 0; --aDispModeIter) {
const D3DDISPLAYMODE& aDispMode = aDispModeParams.pStereoModes[aDispModeIter];
///ST_DEBUG_LOG(" DX ST " + printDisplayFormat(aDispMode));
if(aDispMode.Width != theD3dParams.BackBufferWidth
|| aDispMode.Height != theD3dParams.BackBufferHeight
|| aDispMode.Format != theD3dParams.BackBufferFormat) {
continue;
}
aResFormatMatch = aDispModeIter;
break;
}
if(aResFormatMatch < 0) {
ST_DEBUG_LOG("StDXManager::createAqbsDevice(), stereo display format doesn't found");
aD3dDevTmp->Release();
aD3dDevTmp = NULL;
delete[] aDispModeParams.pStereoModes;
return NULL;
}
int aRefreshMatch = -1;
UINT aRefreshMax = 0;
for(int aDispModeIter = aResFormatMatch; aDispModeIter >= 0; --aDispModeIter) {
const D3DDISPLAYMODE& aDispMode = aDispModeParams.pStereoModes[aDispModeIter];
ST_DEBUG_LOG(" DX ST " + printDisplayFormat(aDispMode));
if(aDispMode.Width != theD3dParams.BackBufferWidth
|| aDispMode.Height != theD3dParams.BackBufferHeight
|| aDispMode.Format != theD3dParams.BackBufferFormat) {
continue;
}
if(aDispMode.RefreshRate == myRefreshRate) {
aRefreshMatch = aDispModeIter; // found a match with the current refresh
break;
} else if(aDispMode.RefreshRate > aRefreshMax) {
aRefreshMax = aDispMode.RefreshRate;
aRefreshMatch = aDispModeIter;
}
}
ST_DEBUG_LOG(" DXSSS " + printDisplayFormat(aDispModeParams.pStereoModes[aRefreshMatch]));
// a valid multisample value other then 0 or 1 must be set for stereo (ex 2)
D3DPRESENT_PARAMETERS aD3dParams = theD3dParams;
aD3dParams.MultiSampleType = D3DMULTISAMPLE_2_SAMPLES;
aD3dParams.Flags = 0; // can't lock the back buffer
aD3dParams.EnableAutoDepthStencil = FALSE; // need to create a special depth buffer
aD3dParams.FullScreen_RefreshRateInHz = aDispModeParams.pStereoModes[aRefreshMatch].RefreshRate;
aD3dParams.BackBufferFormat = aDispModeParams.pStereoModes[aRefreshMatch].Format;
myRefreshRate = aDispModeParams.pStereoModes[aRefreshMatch].RefreshRate;
delete[] aDispModeParams.pStereoModes;
// override original parameters
myD3dParams = aD3dParams;
return aD3dDevTmp;
}
