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/DeviceEnumerator/OutputDevice.cpp
+++ b/aiwaz/Aiwaz/DeviceEnumerator/OutputDevice.cpp
@@ -0,0 +1,110 @@
+#include "stdafx.h"
+#include "OutputDevice.h"
+#include "DisplayMode.h"
+
+
+OutputDevice::OutputDevice(IDXGIOutput* ar_Output_, ID3D10Device* ar_Device_)
+	: m_Output(ar_Output_)
+	, m_Device(ar_Device_)
+	, m_HasEnumerated(false)
+	, m_DesiredWidth(0)
+	, m_DesiredHeight(0)
+	, m_DesiredRefreshRate(0)
+	, m_DesiredFormat(DataFormat::Unknown)
+{
+	if (m_Output != NULL)
+	{
+		m_Output->AddRef();
+		m_Output->GetDesc(&m_OutputDesc);
+	}
+}
+
+
+OutputDevice::~OutputDevice()
+{
+	for (uint32 i = 0; i < m_DisplayModes.size(); ++i)
+		delete m_DisplayModes[i];
+
+	if (m_Output != NULL)
+		m_Output->Release();
+	m_Output = NULL;
+}
+
+
+bool OutputDevice::TryEnumerate(uint32 argDesiredWidth, uint32 argDesiredHeight, uint32 argDesiredRefreshRate, DataFormat::Enumeration argDesiredFormat)
+{
+	if (m_HasEnumerated)
+	{
+		if (m_DesiredWidth == argDesiredWidth ||
+			m_DesiredHeight == argDesiredHeight ||
+			m_DesiredRefreshRate == argDesiredRefreshRate ||
+			m_DesiredFormat == argDesiredFormat)
+		{
+			return true;
+		}
+		else
+			m_HasEnumerated = false;
+	}
+
+	for (int formatIndex = (int)argDesiredFormat; formatIndex <= (argDesiredFormat == DataFormat::Unknown ? DXGI_FORMAT_B8G8R8X8_UNORM : (int)argDesiredFormat); ++formatIndex)
+	{
+		DXGI_FORMAT format = (DXGI_FORMAT)formatIndex;
+		uint32 flags = DXGI_ENUM_MODES_SCALING;
+		uint32 displayModeCount = 0;
+		if (m_Output->GetDisplayModeList(format, flags, &displayModeCount, 0) == S_OK && displayModeCount > 0)
+		{
+			DXGI_MODE_DESC* descs = new DXGI_MODE_DESC[displayModeCount];
+			if (m_Output->GetDisplayModeList(format, flags, &displayModeCount, descs) == S_OK)
+			{
+				for (uint32 i = 0; i < displayModeCount; ++i)
+				{
+					IDisplayMode* displayMode = new DisplayMode(descs[i]);
+					bool keepDisplayMode = false;
+
+					if ((argDesiredWidth == 0 || argDesiredWidth <= displayMode->get_Width()) &&
+						(argDesiredHeight == 0 || argDesiredHeight <= displayMode->get_Height()) &&
+						(argDesiredRefreshRate == 0 || argDesiredRefreshRate <= displayMode->get_RefreshRate()) &&
+						(argDesiredFormat == DataFormat::Unknown || argDesiredFormat == displayMode->get_Format()))
+					{
+						if (m_Device != NULL)
+						{
+							uint32 supportBits = 0;
+							m_Device->CheckFormatSupport((DXGI_FORMAT)format, &supportBits);
+							if ((supportBits & D3D10_FORMAT_SUPPORT_DISPLAY) != 0)
+								keepDisplayMode = true;
+						}
+						else
+							keepDisplayMode = true;
+					}
+
+					if (keepDisplayMode)
+						m_DisplayModes.push_back(displayMode);
+					else
+						delete displayMode;
+
+				}
+				delete [] descs;
+			}
+		}
+	}
+
+	m_DesiredWidth = argDesiredWidth;
+	m_DesiredHeight = argDesiredHeight;
+	m_DesiredRefreshRate = argDesiredRefreshRate;
+	m_DesiredFormat = argDesiredFormat;
+
+	m_HasEnumerated = !m_DisplayModes.empty();
+	return m_HasEnumerated;
+}
+
+
+IDisplayMode* OutputDevice::FindBestDisplayMode(bool argAllowToEnumerate, uint32 argDesiredWidth, uint32 argDesiredHeight, uint32 argDesiredRefreshRate, DataFormat::Enumeration argDesiredFormat)
+{
+	if (argAllowToEnumerate && !this->TryEnumerate(argDesiredWidth, argDesiredHeight, argDesiredRefreshRate, argDesiredFormat))
+		return NULL;
+
+	if (!m_HasEnumerated)
+		return NULL;
+
+	return m_DisplayModes.back();
+}