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Use direct composition for d3d12 backend

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This commit is contained in:
0x0ACB
2024-11-18 11:35:55 +01:00
parent 5efd124ca1
commit a8cd0e9677
5 changed files with 67 additions and 8 deletions
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43
drivers/d3d12/rendering_device_driver_d3d12.cpp
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@ -2469,7 +2469,7 @@ Error RenderingDeviceDriverD3D12::swap_chain_resize(CommandQueueID p_cmd_queue,
DXGI_SWAP_CHAIN_DESC1 swap_chain_desc = {};
if (swap_chain->d3d_swap_chain != nullptr) {
_swap_chain_release_buffers(swap_chain);
res = swap_chain->d3d_swap_chain->ResizeBuffers(p_desired_framebuffer_count, 0, 0, DXGI_FORMAT_UNKNOWN, creation_flags);
res = swap_chain->d3d_swap_chain->ResizeBuffers(p_desired_framebuffer_count, surface->width, surface->height, DXGI_FORMAT_UNKNOWN, creation_flags);
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_UNAVAILABLE);
} else {
swap_chain_desc.BufferCount = p_desired_framebuffer_count;
@ -2478,7 +2478,7 @@ Error RenderingDeviceDriverD3D12::swap_chain_resize(CommandQueueID p_cmd_queue,
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swap_chain_desc.SampleDesc.Count = 1;
swap_chain_desc.Flags = creation_flags;
swap_chain_desc.Scaling = DXGI_SCALING_NONE;
swap_chain_desc.Scaling = DXGI_SCALING_STRETCH;
if (OS::get_singleton()->is_layered_allowed()) {
swap_chain_desc.AlphaMode = DXGI_ALPHA_MODE_PREMULTIPLIED;
has_comp_alpha[(uint64_t)p_cmd_queue.id] = true;
@ -2486,14 +2486,11 @@ Error RenderingDeviceDriverD3D12::swap_chain_resize(CommandQueueID p_cmd_queue,
swap_chain_desc.AlphaMode = DXGI_ALPHA_MODE_IGNORE;
has_comp_alpha[(uint64_t)p_cmd_queue.id] = false;
}
swap_chain_desc.Width = surface->width;
swap_chain_desc.Height = surface->height;
ComPtr<IDXGISwapChain1> swap_chain_1;
res = context_driver->dxgi_factory_get()->CreateSwapChainForHwnd(command_queue->d3d_queue.Get(), surface->hwnd, &swap_chain_desc, nullptr, nullptr, swap_chain_1.GetAddressOf());
if (!SUCCEEDED(res) && swap_chain_desc.AlphaMode != DXGI_ALPHA_MODE_IGNORE) {
swap_chain_desc.AlphaMode = DXGI_ALPHA_MODE_IGNORE;
has_comp_alpha[(uint64_t)p_cmd_queue.id] = false;
res = context_driver->dxgi_factory_get()->CreateSwapChainForHwnd(command_queue->d3d_queue.Get(), surface->hwnd, &swap_chain_desc, nullptr, nullptr, swap_chain_1.GetAddressOf());
}
res = context_driver->dxgi_factory_get()->CreateSwapChainForComposition(command_queue->d3d_queue.Get(), &swap_chain_desc, nullptr, swap_chain_1.GetAddressOf());
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
swap_chain_1.As(&swap_chain->d3d_swap_chain);
@ -2503,6 +2500,36 @@ Error RenderingDeviceDriverD3D12::swap_chain_resize(CommandQueueID p_cmd_queue,
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
}
if (surface->composition_device.Get() == nullptr) {
using PFN_DCompositionCreateDevice = HRESULT(WINAPI *)(IDXGIDevice *, REFIID, void **);
PFN_DCompositionCreateDevice pfn_DCompositionCreateDevice = (PFN_DCompositionCreateDevice)(void *)GetProcAddress(context_driver->lib_dcomp, "DCompositionCreateDevice");
ERR_FAIL_NULL_V(pfn_DCompositionCreateDevice, ERR_CANT_CREATE);
res = pfn_DCompositionCreateDevice(nullptr, IID_PPV_ARGS(surface->composition_device.GetAddressOf()));
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
res = surface->composition_device->CreateTargetForHwnd(surface->hwnd, TRUE, surface->composition_target.GetAddressOf());
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
res = surface->composition_device->CreateVisual(surface->composition_visual.GetAddressOf());
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
res = surface->composition_visual->SetContent(swap_chain->d3d_swap_chain.Get());
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
res = surface->composition_target->SetRoot(surface->composition_visual.Get());
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
res = surface->composition_device->Commit();
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
} else {
res = surface->composition_visual->SetContent(swap_chain->d3d_swap_chain.Get());
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
res = surface->composition_device->Commit();
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
}
res = swap_chain->d3d_swap_chain->GetDesc1(&swap_chain_desc);
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
ERR_FAIL_COND_V(swap_chain_desc.BufferCount == 0, ERR_CANT_CREATE);