mirror of
https://github.com/borgesdan/xn65
synced 2024-12-29 21:54:47 +01:00
91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
#include "xna/graphics/adapter.hpp"
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#include "xna/graphics/swapchain.hpp"
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#include "xna/xna-dx.hpp"
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#include "xna/graphics/device.hpp"
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namespace xna {
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SwapChain::SwapChain() : GraphicsResource(nullptr) {
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impl = unew<PlatformImplementation>();
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}
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SwapChain::SwapChain(sptr<GraphicsDevice> const& device) : GraphicsResource(device) {
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impl = unew<PlatformImplementation>();
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}
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SwapChain::~SwapChain() {
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impl = nullptr;
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}
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static bool internalInit(GraphicsDevice& device, HWND windowHandle, comptr<IDXGISwapChain1>& swapChain, DXGI_SWAP_CHAIN_DESC1 const& desc, DXGI_SWAP_CHAIN_FULLSCREEN_DESC const& fdesc) {
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if (!device.impl->_device || !windowHandle)
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return false;
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if (swapChain) {
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swapChain.ReleaseAndGetAddressOf();
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}
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auto adapter = device.Adapter();
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comptr<IDXGIFactory2> dxFactory2 = nullptr;
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const auto hr = adapter->impl->dxFactory->QueryInterface(IID_IDXGIFactory2, (void**)&dxFactory2);
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if (FAILED(hr))
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return false;
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dxFactory2->CreateSwapChainForHwnd(
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device.impl->_device.Get(),
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windowHandle,
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&desc,
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&fdesc,
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nullptr,
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swapChain.GetAddressOf());
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return true;
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}
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bool SwapChain::Initialize() {
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if (!impl || !m_device || !m_device->impl->_device) {
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Exception::Throw(Exception::UNABLE_TO_INITIALIZE);
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}
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const auto parameters = m_device->PresentParameters();
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impl->dxDescription.Width = static_cast<UINT>(parameters->BackBufferWidth);
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impl->dxDescription.Height = static_cast<UINT>(parameters->BackBufferHeight);
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impl->dxDescription.Format = DxHelpers::SurfaceFormatToDx(parameters->BackBufferFormat);
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impl->dxDescription.SampleDesc.Count = 1;
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impl->dxDescription.SampleDesc.Quality = 0;
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impl->dxDescription.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
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impl->dxDescription.BufferCount = 2;
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impl->dxDescription.SwapEffect = static_cast<DXGI_SWAP_EFFECT>(parameters->PresentationSwapEffect);
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impl->dxDescription.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
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impl->dxDescription.AlphaMode = DXGI_ALPHA_MODE::DXGI_ALPHA_MODE_UNSPECIFIED;
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impl->dxFullScreenDescription.RefreshRate.Numerator = 60;
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impl->dxFullScreenDescription.RefreshRate.Denominator = 1;
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impl->dxFullScreenDescription.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
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impl->dxFullScreenDescription.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
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impl->dxFullScreenDescription.Windowed = !parameters->IsFullscreen;
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HWND hwnd = reinterpret_cast<HWND>(parameters->DeviceWindowHandle);
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return internalInit(*m_device, hwnd, impl->dxSwapChain, impl->dxDescription, impl->dxFullScreenDescription);
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}
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bool SwapChain::GetBackBuffer(Texture2D& texture2D) {
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if (!impl || !impl->dxSwapChain)
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return false;
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const auto hr = impl->dxSwapChain->GetBuffer(0, IID_ID3D11Texture2D, (void**)(&texture2D.impl->dxTexture2D));
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return !FAILED(hr);
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}
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bool SwapChain::Present(bool vsync) const {
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if (!impl || !impl->dxSwapChain)
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return false;
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const auto presentValue = static_cast<UINT>(vsync);
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const auto hr = impl->dxSwapChain->Present(presentValue, NULL);
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return !FAILED(hr);
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}
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} |