// Re-calculates all the positions of the controls based on their sizes
// to have a 'pretty' layout
//--------------------------------------------------------------------------------
void CPUTGuiController::RecalculateLayout()
{
// if we have no valid panel, just return
if(CPUT_CONTROL_ID_INVALID == mActiveControlPanelSlotID)
{
return;
}
// if we don't want the auto-layout feature, just return
if(false == mbAutoLayout)
{
return;
}
// get window size
CPUT_RECT windowRect;
CPUTOSServices *pServices = CPUTOSServices::GetOSServices();
pServices->GetClientDimensions(&windowRect.x, &windowRect.y, &windowRect.width, &windowRect.height);
// Build columns of controls right to left
int x,y;
x=0; y=0;
// walk list of controls, counting up their *heights*, until the
// column is full. While counting, keep track of the *widest*
int width, height;
const int GUI_WINDOW_PADDING = 5;
int numberOfControls = (int) mControlPanelIDList[mActiveControlPanelSlotID]->mControlList.size();
int indexStart=0;
int indexEnd=0;
int columnX = 0;
int columnNumber = 1;
while(indexEnd < numberOfControls)
{
int columnWidth=0;
y=0;
// figure out which controls belong in this column + column width
while( indexEnd < numberOfControls )
{
if(mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[indexEnd]->IsVisible() &&
mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[indexEnd]->IsAutoArranged())
{
mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[indexEnd]->GetDimensions(width, height);
if( y + height + GUI_WINDOW_PADDING < (windowRect.height-2*GUI_WINDOW_PADDING))
{
y = y + height + GUI_WINDOW_PADDING;
if(columnWidth < width)
{
columnWidth = width;
}
indexEnd++;
}
else
{
// if the window is now so small it won't fit a whole control, just
// draw one anyway and it'll just have to be clipped
if(indexEnd == indexStart)
{
columnWidth = width;
indexEnd++;
}
break;
}
}
else
{
indexEnd++;
}
}
// ok, now re-position each control with x at widest, and y at proper height
y=GUI_WINDOW_PADDING;
for(int i=indexStart; i<indexEnd; i++)
{
if(mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[i]->IsVisible() &&
mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[i]->IsAutoArranged())
{
mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[i]->GetDimensions(width, height);
x = windowRect.width - columnX - columnWidth - (columnNumber*GUI_WINDOW_PADDING);
mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[i]->SetPosition(x,y);
y = y + height + GUI_WINDOW_PADDING;
}
}
indexStart = indexEnd;
columnX+=columnWidth;
columnNumber++;
}
mRecalculateLayout = false;
}
// incoming resize event to be handled and translated
//-----------------------------------------------------------------------------
void CPUT_DX11::ResizeWindow(UINT width, UINT height)
{
HRESULT hr;
CPUTResult result;
CPUTAssetLibraryDX11 *pAssetLibrary = (CPUTAssetLibraryDX11*)CPUTAssetLibraryDX11::GetAssetLibrary();
// TODO: Making the back and depth buffers into CPUTRenderTargets should simplify this (CPUTRenderTarget* manages RTV, SRV, UAV, etc.)
if( mpBackBuffer ) ((CPUTBufferDX11*)mpBackBuffer)->ReleaseBuffer();
if( mpDepthBuffer ) ((CPUTBufferDX11*)mpDepthBuffer)->ReleaseBuffer();
if( mpBackBufferTexture ) ((CPUTTextureDX11*)mpBackBufferTexture)->ReleaseTexture();
if( mpDepthBufferTexture ) ((CPUTTextureDX11*)mpDepthBufferTexture)->ReleaseTexture();
// Make sure we don't have any buffers bound.
mpContext->ClearState();
Present();
mpContext->Flush();
SAFE_RELEASE(mpBackBufferRTV);
SAFE_RELEASE(mpBackBufferSRV);
SAFE_RELEASE(mpBackBufferUAV);
SAFE_RELEASE(mpDepthStencilSRV);
CPUT::ResizeWindow( width, height );
// Call the sample's clean up code if present.
ReleaseSwapChain();
// handle the internals of a resize
int windowWidth, windowHeight;
CPUTOSServices *pServices = CPUTOSServices::GetOSServices();
pServices->GetClientDimensions( &windowWidth, &windowHeight);
// resize the swap chain
hr = mpSwapChain->ResizeBuffers(mSwapChainBufferCount, windowWidth, windowHeight, mSwapChainFormat, 0);
ASSERT( SUCCEEDED(hr), _L("Error resizing swap chain") );
// re-create the render-target view
ID3D11Texture2D *pSwapChainBuffer = NULL;
hr = mpSwapChain->GetBuffer( 0, __uuidof( ID3D11Texture2D), (LPVOID*) (&pSwapChainBuffer));
ASSERT(SUCCEEDED(hr), _L(""));
hr = mpD3dDevice->CreateRenderTargetView( pSwapChainBuffer, NULL, &mpBackBufferRTV);
ASSERT(SUCCEEDED(hr), _L(""));
hr = mpD3dDevice->CreateShaderResourceView( pSwapChainBuffer, NULL, &mpBackBufferSRV);
ASSERT(SUCCEEDED(hr), _L(""));
#ifdef CREATE_SWAP_CHAIN_UAV
// Not every DXGI format supports UAV. So, create UAV only if sample chooses to do so.
hr = mpD3dDevice->CreateUnorderedAccessView( pSwapChainBuffer, NULL, &mpBackBufferUAV);
ASSERT(SUCCEEDED(hr), _L(""));
#endif
// Add the back buffer to the asset library. Create CPUTBuffer and a CPUTTexture forms and add them.
if( mpBackBuffer )
{
((CPUTBufferDX11*)mpBackBuffer)->SetBufferAndViews( NULL, mpBackBufferSRV, mpBackBufferUAV );
}
else
{
cString backBufferName = _L("$BackBuffer");
mpBackBuffer = new CPUTBufferDX11( backBufferName, NULL, mpBackBufferUAV );
pAssetLibrary->AddBuffer( backBufferName, mpBackBuffer );
}
if( mpBackBufferTexture )
{
((CPUTTextureDX11*)mpBackBufferTexture)->SetTextureAndShaderResourceView( NULL, mpBackBufferSRV );
}
else
{
cString backBufferName = _L("$BackBuffer");
mpBackBufferTexture = new CPUTTextureDX11( backBufferName, NULL, mpBackBufferSRV );
pAssetLibrary->AddTexture( backBufferName, mpBackBufferTexture );
}
// release the old depth buffer objects
// release the temporary swap chain buffer
SAFE_RELEASE(pSwapChainBuffer);
SAFE_RELEASE(mpDepthStencilBuffer);
SAFE_RELEASE(mpDepthStencilState);
SAFE_RELEASE(mpDepthStencilView);
result = CreateAndBindDepthBuffer(windowWidth, windowHeight);
if(CPUTFAILED(result))
{
// depth buffer creation error
ASSERT(0,_L(""));
}
if( mpDepthBuffer )
{
((CPUTBufferDX11*)mpDepthBuffer)->SetBufferAndViews( NULL, mpDepthStencilSRV, NULL );
}
else
{
cString depthBufferName = _L("$DepthBuffer");
mpDepthBuffer = new CPUTBufferDX11( depthBufferName, NULL, mpDepthStencilSRV );
pAssetLibrary->AddBuffer( depthBufferName, mpDepthBuffer );
}
if( mpDepthBufferTexture )
{
((CPUTTextureDX11*)mpDepthBufferTexture)->SetTextureAndShaderResourceView( NULL, mpDepthStencilSRV );
}
else
{
cString DepthBufferName = _L("$DepthBuffer");
mpDepthBufferTexture = new CPUTTextureDX11( DepthBufferName, NULL, mpDepthStencilSRV );
pAssetLibrary->AddTexture( DepthBufferName, mpDepthBufferTexture );
}
// Release our extra reference to each view.
// if(mpBackBufferSRV) mpBackBufferSRV->Release();
// if(mpBackBufferUAV) mpBackBufferUAV->Release();
// if(mpDepthStencilSRV) mpDepthStencilSRV->Release();;
// set the viewport
D3D11_VIEWPORT vp;
vp.Width = (FLOAT) windowWidth;
vp.Height = (FLOAT)windowHeight;
vp.MinDepth = 0.0f;
vp.MaxDepth = 1.0f;
vp.TopLeftX = 0;
vp.TopLeftY = 0;
mpContext->RSSetViewports( 1, &vp );
// trigger the GUI manager to resize
CPUTGuiControllerDX11::GetController()->Resize();
}
// Draw - must be positioned after all the controls are defined
//--------------------------------------------------------------------------------
void CPUTGuiControllerDX11::Draw(ID3D11DeviceContext *pImmediateContext)
{
HEAPCHECK;
if( 0 != GetNumberOfControlsInPanel())
{
SetGUIDrawingState(pImmediateContext);
}
else
{
return;
}
ID3D11VertexShader *pVertexShader = mpGUIVertexShader->GetNativeVertexShader();
ID3D11PixelShader *pPixelShader = mpGUIPixelShader->GetNativePixelShader();
// if any of the controls have announced they are dirty, then rebuild the mirror buffer and rebind
if(mUberBufferDirty)
{
// if a resize was flagged, do it now.
if(mRecalculateLayout)
{
RecalculateLayout();
}
// 'clear' the buffer by resetting the pointer to the head
mUberBufferIndex = 0;
mTextUberBufferIndex = 0;
mFocusedControlBufferIndex = 0;
mFocusedControlTextBufferIndex = 0;
int ii=0;
while(ii<GetNumberOfControlsInPanel())
{
CPUTControl *pControl = mControlPanelIDList[mActiveControlPanelSlotID]->mControlList[ii];
// don't draw the focus control - draw it last so it stays on 'top'
if(mpFocusControl != pControl)
{
switch(pControl->GetType())
{
case CPUT_BUTTON:
((CPUTButton*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_CHECKBOX:
((CPUTCheckbox*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_SLIDER:
((CPUTSlider*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_DROPDOWN:
((CPUTDropdown*)pControl)->DrawIntoBuffer(mpMirrorBuffer, &mUberBufferIndex, mUberBufferMax, mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_STATIC:
((CPUTText*)pControl)->DrawIntoBuffer(mpTextMirrorBuffer, &mTextUberBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
}
}
ii++;
HEAPCHECK
}
// do the 'focused' control last so it stays on top (i.e. dropdowns)
if(mpFocusControl)
{
switch(mpFocusControl->GetType())
{
case CPUT_BUTTON:
((CPUTButton*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_CHECKBOX:
((CPUTCheckbox*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_SLIDER:
((CPUTSlider*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_DROPDOWN:
((CPUTDropdown*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlBufferIndex, mUberBufferMax, mpFocusedControlTextMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
case CPUT_STATIC:
((CPUTText*)mpFocusControl)->DrawIntoBuffer(mpFocusedControlMirrorBuffer, &mFocusedControlTextBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
break;
}
}
// update the uber-buffers with the control graphics
UpdateUberBuffers(pImmediateContext);
// Clear dirty flag on uberbuffer
mUberBufferDirty = false;
}
HEAPCHECK
// calculate the fps
double elapsed = mpFPSTimer->GetElapsedTime();
double fps = 1.0 / elapsed;
mLastFPS = (float) fps;
mFPSAvg[mFPSInst] = (float) fps;
mFPSInst++;
if(mFPSInst == AVG_FRAMES)
mFPSInst = 0;
float total = 0.0f;
for(int i = 0; i < AVG_FRAMES; i++)
{
total += mFPSAvg[i];
}
int windowWidth, windowHeight;
CPUTOSServices *pServices = CPUTOSServices::GetOSServices( );
pServices->GetClientDimensions( &windowWidth, &windowHeight );
// if we're drawing the FPS counter - update that
// We do this independently of uber-buffer updates since we'll have FPS updates every frame,
// but likely not have control updates every frame
if(mbDrawFPS)
{
// calculate the time elapsed since last frame
bool UberBufferWasDirty = mUberBufferDirty;
cString Data;
{
wchar_t wcstring[CPUT_MAX_STRING_LENGTH];
float avgFps = total/(float)AVG_FRAMES;
swprintf_s(&wcstring[0], CPUT_MAX_STRING_LENGTH, _L("Window res: %d x %d, AVG FPS:%.2f \t(FPS:%.2f) "), windowWidth, windowHeight, avgFps, fps);
Data=wcstring;
}
// build the FPS string
cString FPS = Data;
mpFPSCounter->SetText(FPS);
// 'draw' the string into the buffer
mFPSBufferIndex = 0;
mpFPSCounter->DrawIntoBuffer(mpFPSMirrorBuffer, &mFPSBufferIndex, CPUT_GUI_BUFFER_STRING_SIZE);
// update the DirectX vertex buffer
ASSERT(CPUT_GUI_BUFFER_STRING_SIZE > mFocusedControlTextBufferIndex, _L("CPUT GUI: Too many strings for default-sized uber-buffer. Increase CPUT_GUI_BUFFER_STRING_SIZE"));
pImmediateContext->UpdateSubresource(mpFPSDirectXBuffer, 0, NULL, mpFPSMirrorBuffer, mFPSBufferIndex*sizeof(CPUTGUIVertex), 0);
// start next frame timer
mpFPSTimer->StartTimer();
if(false == UberBufferWasDirty)
{
mUberBufferDirty = false;
}
}
// set up orthographic display
GUIConstantBufferVS ConstantBufferMatrices;
float znear = 0.1f;
float zfar = 100.0f;
DirectX::XMMATRIX m;
m = DirectX::XMMatrixOrthographicOffCenterLH(0, (float)windowWidth, (float)windowHeight, 0, znear, zfar);
ConstantBufferMatrices.Projection = XMMatrixTranspose( m );
// set the vertex shader
pImmediateContext->VSSetShader( pVertexShader, NULL, 0 );
UINT VertexStride = sizeof(CPUTGUIVertex);
UINT VertexOffset = 0;
pImmediateContext->IASetVertexBuffers( 0, 1, &mpUberBuffer, &VertexStride, &VertexOffset );
m = DirectX::XMMatrixIdentity();
ConstantBufferMatrices.Model = XMMatrixTranspose( m );
pImmediateContext->UpdateSubresource( mpConstantBufferVS, 0, NULL, &ConstantBufferMatrices, 0, 0 );
pImmediateContext->VSSetConstantBuffers( 0, 1, &mpConstantBufferVS );
// -- draw the normal controls --
// draw the control graphics
pImmediateContext->PSSetShader( pPixelShader, NULL, 0 );
pImmediateContext->PSSetShaderResources( 0, 1, &mpControlTextureAtlasView );
pImmediateContext->Draw(mUberBufferIndex,0);
// draw the control's text
pImmediateContext->PSSetShaderResources( 0, 1, &mpTextTextureAtlasView );
pImmediateContext->IASetVertexBuffers( 0, 1, &mpTextUberBuffer, &VertexStride, &VertexOffset );
// draw the text uber-buffer
pImmediateContext->Draw(mTextUberBufferIndex,0);
// draw the FPS counter
if(mbDrawFPS)
{
pImmediateContext->IASetVertexBuffers( 0, 1, &mpFPSDirectXBuffer, &VertexStride, &VertexOffset );
pImmediateContext->Draw(mFPSBufferIndex, 0);
}
// -- draw the focused control --
// Draw the focused control's graphics
pImmediateContext->PSSetShader( pPixelShader, NULL, 0 );
pImmediateContext->PSSetShaderResources( 0, 1, &mpControlTextureAtlasView );
pImmediateContext->IASetVertexBuffers( 0, 1, &mpFocusedControlBuffer, &VertexStride, &VertexOffset );
// draw the uber-buffer
pImmediateContext->Draw(mFocusedControlBufferIndex,0);
// Draw the focused control's text
pImmediateContext->PSSetShaderResources( 0, 1, &mpTextTextureAtlasView );
pImmediateContext->IASetVertexBuffers( 0, 1, &mpFocusedControlTextBuffer, &VertexStride, &VertexOffset );
// draw the text uber-buffer
pImmediateContext->Draw(mFocusedControlTextBufferIndex,0);
// restore the drawing state
ClearGUIDrawingState(pImmediateContext);
HEAPCHECK;
}
