port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/aiwaz/Aiwaz/Resources/RenderTarget/SwapChain/SwapChain.cpp
+++ b/aiwaz/Aiwaz/Resources/RenderTarget/SwapChain/SwapChain.cpp
@@ -0,0 +1,187 @@
+#include "stdafx.h"
+#include "SwapChain.h"
+#include "IResourceFactory.h"
+#include <exception>
+
+
+SwapChain::SwapChain(IEngine& argEngine)
+	: RenderTargetBase(argEngine)
+	, m_SwapChain(NULL)
+	, m_VSync(true)
+{
+}
+
+
+SwapChain::~SwapChain()
+{
+	this->Uninitialize();
+	m_Engine.get_ResourceFactory().DeleteSwapChain(*const_cast<SwapChain*>(this), true);
+
+}
+
+void SwapChain::SetWindowParameters(HWND argWindowHandle, uint32 argWidth, uint32 argHeight, uint32 argRefreshRate, DataFormat::Enumeration argFormat, uint32 argMultiSampleCount, uint32 argMultiSampleQuality)
+{
+	if (m_SwapChain != NULL)
+		this->Uninitialize();
+
+	// get missing information
+	if (argMultiSampleCount == 0)
+		argMultiSampleCount = 1;
+	if (argWidth == 0 || argHeight == 0)
+	{
+		RECT windowRect;
+		::GetClientRect(argWindowHandle, &windowRect);
+		if (argWidth == 0)
+			argWidth = windowRect.right - windowRect.left;
+		if (argHeight == 0)
+			argHeight = windowRect.bottom - windowRect.top;
+	}
+	if (argRefreshRate == 0)
+		argRefreshRate = 60; // 60Hz
+	if (argFormat == DataFormat::Unknown)
+		argFormat = DataFormat::R8G8B8A8_UnsignedNormalized; // RGBA(X) 8Bit per channel -> 32Bit
+
+	// build the description
+	ZeroMemory(&m_SwapChainDescription, sizeof(m_SwapChainDescription));
+	m_SwapChainDescription.BufferCount = 1;
+	m_SwapChainDescription.BufferDesc.Width = argWidth;
+	m_SwapChainDescription.BufferDesc.Height = argHeight;
+	m_SwapChainDescription.BufferDesc.Format = (DXGI_FORMAT)argFormat;
+	m_SwapChainDescription.BufferDesc.RefreshRate.Numerator = argRefreshRate;
+	m_SwapChainDescription.BufferDesc.RefreshRate.Denominator = 1;
+	m_SwapChainDescription.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
+	m_SwapChainDescription.OutputWindow = argWindowHandle;
+	m_MultiSampleCount = m_SwapChainDescription.SampleDesc.Count = argMultiSampleCount;
+	m_MultiSampleQuality = m_SwapChainDescription.SampleDesc.Quality = argMultiSampleQuality;
+	m_SwapChainDescription.Windowed = TRUE;
+
+	if (S_OK != m_Engine.get_DXGIFactory().CreateSwapChain(&m_Engine.get_DX10Device(), &m_SwapChainDescription, &m_SwapChain))
+	{
+		throw L"SwapChain: Unable to create swapchain.";
+	}
+
+	this->RetriveData();
+
+	ViewPort vp;
+	vp.m_Width = argWidth;
+	vp.m_Height = argHeight;
+	this->set_ViewPort(vp);
+}
+
+
+void SwapChain::Uninitialize()
+{
+	RenderTargetBase::Uninitialize();
+	
+	/*if (m_SwapChain != NULL)
+		m_SwapChain->Release();*/
+	m_SwapChain = NULL;
+}
+
+
+void SwapChain::Resize(int argWidth, int argHeight)
+{
+	if (m_SwapChain == NULL || m_RenderTargetView == NULL)
+	{
+		throw L"SwapChain: Access forbidden until resource has been initialized.";
+	}
+
+	if (argWidth == 0 || argHeight == 0)
+	{
+		RECT windowRect;
+		::GetClientRect(m_SwapChainDescription.OutputWindow, &windowRect);
+		if (argWidth == 0)
+			argWidth = windowRect.right - windowRect.left;
+		if (argHeight == 0)
+			argHeight = windowRect.bottom - windowRect.top;
+	}
+
+	if (m_SwapChainDescription.BufferDesc.Width == argWidth ||
+		m_SwapChainDescription.BufferDesc.Height == argHeight)
+		return;
+
+	bool depthStencilBuffer = this->get_HasDepthStencilBuffer();
+	
+	m_Engine.get_DX10Device().ClearState();
+
+	this->set_HasDepthStencilBuffer(false);
+	
+	if (m_RenderTargetView != NULL)
+		m_RenderTargetView->Release();
+	m_RenderTargetView = NULL;
+
+	m_SwapChain->ResizeBuffers(m_SwapChainDescription.BufferCount, argWidth, argHeight, m_SwapChainDescription.BufferDesc.Format, DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH);
+	m_SwapChainDescription.BufferDesc.Width = argWidth;
+	m_SwapChainDescription.BufferDesc.Height = argHeight;
+	this->RetriveData();
+	this->set_HasDepthStencilBuffer(depthStencilBuffer);
+
+	ViewPort vp = this->get_ViewPort();
+	vp.m_Width = argWidth;
+	vp.m_Height = argHeight;
+	this->set_ViewPort(vp);
+}
+
+
+void SwapChain::set_Fullscreen(bool argState)
+{
+	if (m_SwapChainDescription.Windowed == FALSE && argState)
+	{
+		throw L"SwapChain: Fullscreen mode already set.";
+	}
+	if (m_SwapChainDescription.Windowed == TRUE && !argState)
+	{
+		throw L"SwapChain: Windowed mode already set.";
+	}
+
+	m_SwapChainDescription.Windowed = argState ? FALSE : TRUE;
+
+	bool depthStencilBuffer = this->get_HasDepthStencilBuffer();
+
+	m_Engine.get_DX10Device().ClearState();
+
+	this->set_HasDepthStencilBuffer(false);
+	
+	if (m_RenderTargetView != NULL)
+		m_RenderTargetView->Release();
+	m_RenderTargetView = NULL;
+
+	m_SwapChain->SetFullscreenState(m_SwapChainDescription.Windowed == FALSE, NULL);
+	this->RetriveData();
+	this->set_HasDepthStencilBuffer(depthStencilBuffer);
+}
+
+
+
+void SwapChain::Present()
+{
+	if (m_SwapChain == NULL || m_RenderTargetView == NULL)
+	{
+		throw L"SwapChain: Access forbidden until resource has been initialized.";
+	}
+	
+	m_SwapChain->Present(m_VSync ? 1 : 0, 0); // VSync, Flags
+}
+
+
+void SwapChain::RetriveData()
+{
+	if (m_SwapChain == NULL || m_RenderTargetView != NULL)
+	{
+		throw L"SwapChain: Access forbidden until resource has been initialized.";
+	}
+
+	ID3D10Texture2D* backBuffer;
+	HRESULT result = m_SwapChain->GetBuffer(0, __uuidof(ID3D10Texture2D), (void**)&backBuffer);
+	if(FAILED(result))
+	{
+		throw L"SwapChain: Unable to retrive backbuffer.";
+	}
+
+	result = m_Engine.get_DX10Device().CreateRenderTargetView(backBuffer, NULL, &m_RenderTargetView);
+	backBuffer->Release();
+	if(FAILED(result))
+	{
+		throw L"SwapChain: Unable to retrive rendertarget view.";
+	}
+}