Add OculusSDK 0.3.2 Linux Source Code w/o Samples, docs or binaries (libs or tools)

1 files changed, 511 insertions, 0 deletions

diff --git a/LibOVR/Src/Util/Util_ImageWindow.cpp b/LibOVR/Src/Util/Util_ImageWindow.cpp
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+++ b/LibOVR/Src/Util/Util_ImageWindow.cpp
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+/************************************************************************************
+
+Filename    :   Util_ImageWindow.cpp
+Content     :   An output object for windows that can display raw images for testing
+Created     :   March 13, 2014
+Authors     :   Dean Beeler
+
+Copyright   :   Copyright 2014 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); 
+you may not use the Oculus VR Rift SDK except in compliance with the License, 
+which is provided at the time of installation or download, or which 
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.1 
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+*************************************************************************************/
+#include "../../Include/OVR.h"
+
+#include "Util_ImageWindow.h"
+
+#if defined(OVR_OS_WIN32)
+
+#include <Windows.h>
+
+#include "DWrite.h"
+
+typedef HRESULT (WINAPI *D2D1CreateFactoryFn)(
+	_In_      D2D1_FACTORY_TYPE,
+	_In_      REFIID,
+	_In_opt_  const D2D1_FACTORY_OPTIONS*,
+	_Out_     ID2D1Factory **
+	);
+
+typedef HRESULT (WINAPI *DWriteCreateFactoryFn)(
+	_In_   DWRITE_FACTORY_TYPE factoryType,
+	_In_   REFIID iid,
+	_Out_  IUnknown **factory
+	);
+
+
+namespace OVR { namespace Util {
+	
+ID2D1Factory* ImageWindow::pD2DFactory = NULL;
+IDWriteFactory* ImageWindow::pDWriteFactory = NULL;
+ImageWindow* ImageWindow::globalWindow[4];
+int ImageWindow::windowCount = 0;
+
+LRESULT CALLBACK MainWndProc(
+	HWND hwnd,
+	UINT uMsg,
+	WPARAM wParam,
+	LPARAM lParam)
+{
+	switch (uMsg) 
+	{ 
+	case WM_CREATE: 
+		return 0; 
+
+	case WM_PAINT: 
+		{
+			LONG_PTR ptr = GetWindowLongPtr( hwnd, GWLP_USERDATA );
+			if( ptr )
+			{
+				ImageWindow* iw = (ImageWindow*)ptr;
+				iw->OnPaint();
+			}
+		}
+		
+		return 0; 
+
+	case WM_SIZE: 
+		// Set the size and position of the window. 
+		return 0; 
+
+	case WM_DESTROY: 
+		// Clean up window-specific data objects. 
+		return 0; 
+
+		// 
+		// Process other messages. 
+		// 
+
+	default: 
+		return DefWindowProc(hwnd, uMsg, wParam, lParam); 
+	} 
+	//return 0; 
+}
+
+ImageWindow::ImageWindow( uint32_t width, uint32_t height ) :
+	frontBufferMutex( new Mutex() )
+{
+
+	HINSTANCE hInst = LoadLibrary( L"d2d1.dll" );
+	HINSTANCE hInstWrite = LoadLibrary( L"Dwrite.dll" );
+
+	D2D1CreateFactoryFn createFactory = NULL;
+	DWriteCreateFactoryFn writeFactory = NULL;
+
+	if( hInst )
+	{
+		createFactory = (D2D1CreateFactoryFn)GetProcAddress( hInst, "D2D1CreateFactory" );
+	}
+
+	if( hInstWrite )
+	{
+		writeFactory = (DWriteCreateFactoryFn)GetProcAddress( hInstWrite, "DWriteCreateFactory" );
+	}
+
+	globalWindow[windowCount] = this;
+
+	++windowCount;
+
+	if( pD2DFactory == NULL && createFactory && writeFactory )
+	{
+		createFactory( 
+			D2D1_FACTORY_TYPE_MULTI_THREADED,
+			__uuidof(ID2D1Factory),
+			NULL,
+			&pD2DFactory
+			);
+
+		// Create a DirectWrite factory.
+		writeFactory(
+			DWRITE_FACTORY_TYPE_SHARED,
+			__uuidof(pDWriteFactory),
+			reinterpret_cast<IUnknown **>(&pDWriteFactory)
+			);
+
+	}
+
+	resolution = D2D1::SizeU( width, height );
+
+	SetWindowLongPtr( hWindow, GWLP_USERDATA, (LONG_PTR)this );
+
+	pRT = NULL;
+	greyBitmap = NULL;
+	colorBitmap = NULL;
+}
+
+ImageWindow::~ImageWindow()
+{
+	for( int i = 0; i < MaxWindows; ++i )
+	{
+		if( globalWindow[i] == this )
+		{
+			globalWindow[i] = NULL;
+			break;
+		}
+}
+
+	if( greyBitmap )
+		greyBitmap->Release();
+
+	if( colorBitmap )
+		colorBitmap->Release();
+
+	if( pRT )
+		pRT->Release();
+
+	{
+		Mutex::Locker locker( frontBufferMutex  );
+
+		while( frames.GetSize() )
+		{
+			Ptr<Frame> aFrame = frames.PopBack();
+		}
+	}
+
+	delete frontBufferMutex;
+
+	ShowWindow( hWindow, SW_HIDE );
+	DestroyWindow( hWindow );
+}
+
+void ImageWindow::AssociateSurface( void* surface )
+{
+	// Assume an IUnknown
+	IUnknown* unknown = (IUnknown*)surface;
+
+	IDXGISurface *pDxgiSurface = NULL;
+	HRESULT hr = unknown->QueryInterface(&pDxgiSurface);
+	if( hr == S_OK )
+	{
+		D2D1_RENDER_TARGET_PROPERTIES props =
+			D2D1::RenderTargetProperties(
+			D2D1_RENDER_TARGET_TYPE_DEFAULT,
+			D2D1::PixelFormat(DXGI_FORMAT_UNKNOWN, D2D1_ALPHA_MODE_PREMULTIPLIED),
+			96,
+			96
+			);
+
+
+		pRT = NULL;			
+		ID2D1RenderTarget* tmpTarget;
+
+		hr = pD2DFactory->CreateDxgiSurfaceRenderTarget( pDxgiSurface, &props, &tmpTarget );
+
+		if( hr == S_OK )
+		{
+			DXGI_SURFACE_DESC desc = {0};
+			pDxgiSurface->GetDesc( &desc );
+			int width = desc.Width;
+			int height = desc.Height;
+
+			D2D1_SIZE_U size = D2D1::SizeU( width, height );
+
+			D2D1_PIXEL_FORMAT pixelFormat = D2D1::PixelFormat(
+				DXGI_FORMAT_A8_UNORM,
+				D2D1_ALPHA_MODE_PREMULTIPLIED
+				);
+
+			D2D1_PIXEL_FORMAT colorPixelFormat = D2D1::PixelFormat(
+				DXGI_FORMAT_B8G8R8A8_UNORM,
+				D2D1_ALPHA_MODE_PREMULTIPLIED
+				);
+
+			D2D1_BITMAP_PROPERTIES bitmapProps;
+			bitmapProps.dpiX = 96;
+			bitmapProps.dpiY = 96;
+			bitmapProps.pixelFormat = pixelFormat;
+
+			D2D1_BITMAP_PROPERTIES colorBitmapProps;
+			colorBitmapProps.dpiX = 96;
+			colorBitmapProps.dpiY = 96;
+			colorBitmapProps.pixelFormat = colorPixelFormat;
+
+			HRESULT result = tmpTarget->CreateBitmap( size, bitmapProps, &greyBitmap );
+			if( result != S_OK )
+			{
+				tmpTarget->Release();
+				tmpTarget = NULL;
+			}
+
+			result = tmpTarget->CreateBitmap( size, colorBitmapProps, &colorBitmap );
+			if( result != S_OK )
+			{
+				greyBitmap->Release();
+				greyBitmap = NULL;
+
+				tmpTarget->Release();
+				tmpTarget = NULL;
+			}
+			pRT = tmpTarget;
+		}
+	}
+}
+
+void ImageWindow::Process()
+{
+	if( pRT && greyBitmap )
+	{
+		OnPaint();
+
+		pRT->Flush();
+	}
+}
+
+void ImageWindow::Complete()
+{
+	Mutex::Locker locker( frontBufferMutex  );
+
+	if( frames.IsEmpty() )
+		return;
+
+	if( frames.PeekBack(0)->ready )
+		return;
+
+	Ptr<Frame> frame = frames.PeekBack(0);
+
+	frame->ready = true;
+}
+
+void ImageWindow::OnPaint()
+{
+	Mutex::Locker locker( frontBufferMutex  );
+
+	// Nothing to do
+	if( frames.IsEmpty() )
+		return;
+
+	if( !frames.PeekFront(0)->ready )
+		return;
+
+	Ptr<Frame> currentFrame = frames.PopFront();
+
+	Ptr<Frame> nextFrame = NULL;
+
+	if( !frames.IsEmpty() )
+		nextFrame = frames.PeekFront(0);
+	
+	while( nextFrame && nextFrame->ready )
+	{
+		// Free up the current frame since it's been removed from the deque
+		currentFrame = frames.PopFront();
+
+		if( frames.IsEmpty() )
+			break;
+
+		nextFrame = frames.PeekFront(0);
+	}
+
+	if( currentFrame->imageData )
+		greyBitmap->CopyFromMemory( NULL, currentFrame->imageData, currentFrame->width );
+
+	if( currentFrame->colorImageData )
+		colorBitmap->CopyFromMemory( NULL, currentFrame->colorImageData, currentFrame->colorPitch );
+
+	pRT->BeginDraw();
+
+	pRT->SetAntialiasMode(D2D1_ANTIALIAS_MODE_ALIASED); 
+
+	pRT->Clear( D2D1::ColorF(D2D1::ColorF::Black) );
+
+	// This will mirror our image
+	D2D1_MATRIX_3X2_F m;
+	m._11 = -1; m._12 = 0;
+	m._21 = 0; m._22 = 1;
+	m._31 = 0; m._32 = 0;
+	pRT->SetTransform( m );
+
+	ID2D1SolidColorBrush* whiteBrush;
+
+	pRT->CreateSolidColorBrush( D2D1::ColorF(D2D1::ColorF::White, 1.0f), &whiteBrush );
+
+	if( currentFrame->imageData )
+	{
+		pRT->FillOpacityMask( greyBitmap, whiteBrush, 
+			D2D1_OPACITY_MASK_CONTENT_TEXT_NATURAL, 
+			D2D1::RectF( -(FLOAT)resolution.width, 0.0f, (FLOAT)0.0f, (FLOAT)resolution.height ), 
+			//D2D1::RectF( 0.0f, 0.0f, (FLOAT)0.0f, (FLOAT)resolution.height ), 
+			D2D1::RectF( 0.0f, 0.0f, (FLOAT)resolution.width, (FLOAT)resolution.height ) );
+	}
+	else if( currentFrame->colorImageData )
+	{
+		pRT->DrawBitmap( colorBitmap,
+			D2D1::RectF( -(FLOAT)resolution.width, 0.0f, (FLOAT)0.0f, (FLOAT)resolution.height ) );
+
+	}
+
+	pRT->SetTransform(D2D1::Matrix3x2F::Identity());
+
+	whiteBrush->Release();
+
+	Array<CirclePlot>::Iterator it;
+
+	for( it = currentFrame->plots.Begin(); it != currentFrame->plots.End(); ++it )
+	{
+		ID2D1SolidColorBrush* aBrush;
+
+		pRT->CreateSolidColorBrush( D2D1::ColorF( it->r, it->g, it->b), &aBrush );
+
+		D2D1_ELLIPSE ellipse;
+		ellipse.point.x = it->x;
+		ellipse.point.y = it->y;
+		ellipse.radiusX = it->radius;
+		ellipse.radiusY = it->radius;
+
+		if( it->fill )
+			pRT->FillEllipse( &ellipse, aBrush );
+		else
+			pRT->DrawEllipse( &ellipse, aBrush );
+
+		aBrush->Release();
+	}
+
+	static const WCHAR msc_fontName[] = L"Verdana";
+	static const FLOAT msc_fontSize = 20;
+
+	IDWriteTextFormat* textFormat = NULL;
+
+	// Create a DirectWrite text format object.
+	pDWriteFactory->CreateTextFormat(
+		msc_fontName,
+		NULL,
+		DWRITE_FONT_WEIGHT_NORMAL,
+		DWRITE_FONT_STYLE_NORMAL,
+		DWRITE_FONT_STRETCH_NORMAL,
+		msc_fontSize,
+		L"", //locale
+		&textFormat
+		);
+
+	D2D1_SIZE_F renderTargetSize = pRT->GetSize();
+
+	Array<TextPlot>::Iterator textIt;
+	for( textIt = currentFrame->textLines.Begin(); textIt != currentFrame->textLines.End(); ++textIt )
+	{
+		ID2D1SolidColorBrush* aBrush;
+
+		pRT->CreateSolidColorBrush( D2D1::ColorF( textIt->r, textIt->g, textIt->b), &aBrush );
+
+		WCHAR* tmpString = (WCHAR*)calloc( textIt->text.GetLength(),  sizeof( WCHAR ) );
+		for( unsigned i = 0; i < textIt->text.GetLength(); ++i )
+		{
+			tmpString[i] = (WCHAR)textIt->text.GetCharAt( i );
+		}
+					
+		pRT->DrawTextW( tmpString, (UINT32)textIt->text.GetLength(), textFormat,
+			D2D1::RectF(textIt->x, textIt->y, renderTargetSize.width, renderTargetSize.height), aBrush );
+
+		free( tmpString );
+
+		aBrush->Release();
+	}
+
+	if( textFormat )
+		textFormat->Release();
+
+	pRT->EndDraw();
+
+	pRT->Flush();
+}
+
+Ptr<Frame> ImageWindow::lastUnreadyFrame()
+{
+	static int framenumber = 0;
+
+	if( frames.GetSize() && !frames.PeekBack( 0 )->ready )
+		return frames.PeekBack( 0 );
+
+	// Create a new frame if an unready one doesn't already exist
+	Ptr<Frame> tmpFrame = *new Frame( framenumber );
+	frames.PushBack( tmpFrame );
+
+	++framenumber;
+
+	return tmpFrame;
+}
+
+void ImageWindow::UpdateImageBW( const uint8_t* imageData, uint32_t width, uint32_t height )
+{
+	if( pRT && greyBitmap )
+	{
+		Mutex::Locker locker( frontBufferMutex );
+
+		Ptr<Frame> frame = lastUnreadyFrame();
+		frame->imageData = malloc( width * height );
+		frame->width = width;
+		frame->height = height;
+		memcpy( frame->imageData, imageData, width * height );
+	}
+}
+
+void ImageWindow::UpdateImageRGBA( const uint8_t* imageData, uint32_t width, uint32_t height, uint32_t pitch )
+{
+	if( pRT && colorBitmap )
+	{
+		Mutex::Locker locker( frontBufferMutex );
+
+		Ptr<Frame> frame = lastUnreadyFrame();
+		frame->colorImageData = malloc( pitch * height );
+		frame->width = width;
+		frame->height = height;
+		frame->colorPitch = pitch;
+		memcpy( frame->colorImageData, imageData, pitch * height );
+	}
+}
+
+void ImageWindow::addCircle( float x, float y, float radius, float r, float g, float b, bool fill )
+{
+	if( pRT )
+	{
+		CirclePlot cp;
+
+		cp.x = x;
+		cp.y = y;
+		cp.radius = radius;
+		cp.r = r;
+		cp.g = g;
+		cp.b = b;
+		cp.fill = fill;
+
+		Mutex::Locker locker( frontBufferMutex );
+
+		Ptr<Frame> frame = lastUnreadyFrame();
+		frame->plots.PushBack( cp );
+	}
+
+}
+
+void ImageWindow::addText( float x, float y, float r, float g, float b, OVR::String text )
+{
+	if( pRT )
+	{
+		TextPlot tp;
+
+		tp.x = x;
+		tp.y = y;
+		tp.r = r;
+		tp.g = g;
+		tp.b = b;
+		tp.text = text;
+
+		Mutex::Locker locker( frontBufferMutex );
+		Ptr<Frame> frame = lastUnreadyFrame();
+		frame->textLines.PushBack( tp );
+	}
+}
+
+}}
+
+#endif //defined(OVR_OS_WIN32)
\ No newline at end of file