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Merge branch 'master' into docking

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# Conflicts:
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_win32.cpp
#	imgui.cpp
This commit is contained in:
ocornut
2021-08-02 15:04:45 +02:00
parent 7bfc379a23 db686ad522
commit f9b5168fb3
11 changed files with 280 additions and 225 deletions
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33
examples/example_win32_directx12/main.cpp
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@ -54,7 +54,6 @@ void CreateRenderTarget();
void CleanupRenderTarget();
void WaitForLastSubmittedFrame();
FrameContext* WaitForNextFrameResources();
void ResizeSwapChain(HWND hWnd, int width, int height);
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
// Main code
@ -371,7 +370,7 @@ bool CreateDeviceD3D(HWND hWnd)
void CleanupDeviceD3D()
{
CleanupRenderTarget();
if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; }
if (g_pSwapChain) { g_pSwapChain->SetFullscreenState(false, NULL); g_pSwapChain->Release(); g_pSwapChain = NULL; }
if (g_hSwapChainWaitableObject != NULL) { CloseHandle(g_hSwapChainWaitableObject); }
for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++)
if (g_frameContext[i].CommandAllocator) { g_frameContext[i].CommandAllocator->Release(); g_frameContext[i].CommandAllocator = NULL; }
@ -451,31 +450,6 @@ FrameContext* WaitForNextFrameResources()
return frameCtx;
}
void ResizeSwapChain(HWND hWnd, int width, int height)
{
DXGI_SWAP_CHAIN_DESC1 sd;
g_pSwapChain->GetDesc1(&sd);
sd.Width = width;
sd.Height = height;
IDXGIFactory4* dxgiFactory = NULL;
g_pSwapChain->GetParent(IID_PPV_ARGS(&dxgiFactory));
g_pSwapChain->Release();
CloseHandle(g_hSwapChainWaitableObject);
IDXGISwapChain1* swapChain1 = NULL;
dxgiFactory->CreateSwapChainForHwnd(g_pd3dCommandQueue, hWnd, &sd, NULL, NULL, &swapChain1);
swapChain1->QueryInterface(IID_PPV_ARGS(&g_pSwapChain));
swapChain1->Release();
dxgiFactory->Release();
g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS);
g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject();
assert(g_hSwapChainWaitableObject != NULL);
}
// Forward declare message handler from imgui_impl_win32.cpp
extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
@ -491,11 +465,10 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED)
{
WaitForLastSubmittedFrame();
ImGui_ImplDX12_InvalidateDeviceObjects();
CleanupRenderTarget();
ResizeSwapChain(hWnd, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam));
HRESULT result = g_pSwapChain->ResizeBuffers(0, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam), DXGI_FORMAT_UNKNOWN, DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT);
assert(SUCCEEDED(result) && "Failed to resize swapchain.");
CreateRenderTarget();
ImGui_ImplDX12_CreateDeviceObjects();
}
return 0;
case WM_SYSCOMMAND: