Adding mac 0.4.1 files0.4.1

2 files changed, 495 insertions, 0 deletions

diff --git a/LibOVR/Src/Displays/OVR_OSX_Display.cpp b/LibOVR/Src/Displays/OVR_OSX_Display.cpp
new file mode 100644
index 0000000..4cd9307
--- /dev/null
+++ b/LibOVR/Src/Displays/OVR_OSX_Display.cpp
@@ -0,0 +1,356 @@
+/************************************************************************************
+
+Filename    :   OVR_OSX_Display.cpp
+Content     :   OSX-specific Display declarations
+Created     :   July 2, 2014
+Authors     :   James Hughes
+
+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 "OVR_OSX_Display.h"
+#include "../Kernel/OVR_Log.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <CoreFoundation/CoreFoundation.h>
+#include <CoreFoundation/CFString.h>
+#include <IOKit/graphics/IOGraphicsLib.h>
+
+//-------------------------------------------------------------------------------------
+// ***** Display enumeration Helpers
+
+namespace OVR { 
+
+// FIXME Code duplication with windows.
+#define EDID_LENGTH                             0x80
+
+#define EDID_HEADER                             0x00
+#define EDID_HEADER_END                         0x07
+
+#define ID_MANUFACTURER_NAME                    0x08
+#define ID_MANUFACTURER_NAME_END                0x09
+
+#define EDID_STRUCT_VERSION                     0x12
+#define EDID_STRUCT_REVISION                    0x13
+
+#define ESTABLISHED_TIMING_1                    0x23
+#define ESTABLISHED_TIMING_2                    0x24
+#define MANUFACTURERS_TIMINGS                   0x25
+
+#define DETAILED_TIMING_DESCRIPTIONS_START      0x36
+#define DETAILED_TIMING_DESCRIPTION_SIZE        18
+#define NO_DETAILED_TIMING_DESCRIPTIONS         4
+
+#define DETAILED_TIMING_DESCRIPTION_1           0x36
+#define DETAILED_TIMING_DESCRIPTION_2           0x48
+#define DETAILED_TIMING_DESCRIPTION_3           0x5a
+#define DETAILED_TIMING_DESCRIPTION_4           0x6c
+
+#define MONITOR_NAME            0xfc
+#define MONITOR_LIMITS          0xfd
+#define MONITOR_SERIAL			0xff
+
+#define UNKNOWN_DESCRIPTOR      -1
+#define DETAILED_TIMING_BLOCK   -2
+
+#define DESCRIPTOR_DATA         5
+
+const UByte edid_v1_header[] = { 0x00, 0xff, 0xff, 0xff,
+	                            0xff, 0xff, 0xff, 0x00 };
+
+const UByte edid_v1_descriptor_flag[] = { 0x00, 0x00 };
+
+// FIXME Code duplication with windows. Refactor.
+static int blockType( UByte* block )
+{
+	if ( !strncmp( (const char*)edid_v1_descriptor_flag, (const char*)block, 2 ) )
+	{
+		// descriptor
+		if ( block[ 2 ] != 0 )
+			return UNKNOWN_DESCRIPTOR;
+		return block[ 3 ];
+	}
+    else
+    {		
+		return DETAILED_TIMING_BLOCK;
+	}
+}
+
+static char* getMonitorName( UByte const* block )
+{
+	static char name[ 13 ];
+	unsigned    i;
+	UByte const* ptr = block + DESCRIPTOR_DATA;
+
+	for( i = 0; i < 13; i++, ptr++ )
+	{
+		if ( *ptr == 0xa )
+		{
+			name[ i ] = 0;
+			return name;
+		}
+
+		name[ i ] = *ptr;
+	}
+
+	return name;
+}
+
+// FIXME Code duplication with windows. Refactor.
+static bool parseEdid( UByte* edid, OVR::OSX::DisplayEDID& edidResult )
+{
+    unsigned i;
+    UByte* block;
+    const char* monitor_name = "Unknown";
+    UByte checksum = 0;
+
+    for( i = 0; i < EDID_LENGTH; i++ )
+        checksum += edid[ i ];
+
+    // Bad checksum, fail EDID
+    if (  checksum != 0  )
+        return false;
+
+    if ( strncmp( (const char*)edid+EDID_HEADER, (const char*)edid_v1_header, EDID_HEADER_END+1 ) )
+    {
+        // First bytes don't match EDID version 1 header
+        return false;
+    }
+
+
+    // OVR_DEBUG_LOG_TEXT(( "\n# EDID version %d revision %d\n",
+    //                     (int)edid[EDID_STRUCT_VERSION],(int)edid[EDID_STRUCT_REVISION] ));
+
+    // Monitor name and timings 
+
+    char serialNumber[14];
+    memset( serialNumber, 0, 14 );
+
+    block = edid + DETAILED_TIMING_DESCRIPTIONS_START;
+
+    for( i = 0; i < NO_DETAILED_TIMING_DESCRIPTIONS; i++,
+        block += DETAILED_TIMING_DESCRIPTION_SIZE )
+    {
+
+        if ( blockType( block ) == MONITOR_NAME )
+        {
+            monitor_name = getMonitorName( block );
+        }
+
+        if( blockType( block ) == MONITOR_SERIAL )
+        {
+            memcpy( serialNumber, block + 5, 13 );
+            break;
+        }
+    }
+
+    UByte vendorString[4] = {0};
+
+    vendorString[0] = (edid[8] >> 2 & 31) + 64;
+    vendorString[1] = ((edid[8] & 3) << 3) | (edid[9] >> 5) + 64;
+    vendorString[2] = (edid[9] & 31) + 64;
+
+    edidResult.ModelNumber  = *(UInt16*)&edid[10];
+    edidResult.MonitorName  = OVR::String(monitor_name);
+    edidResult.VendorName   = OVR::String((const char*)vendorString);
+    edidResult.SerialNumber = OVR::String(serialNumber);
+    
+    // printf( "\tIdentifier \"%s\"\n", monitor_name );
+    // printf( "\tVendorName \"%s\"\n", vendorString );
+    // printf( "\tModelName \"%s\"\n", monitor_name );
+    // printf( "\tModelNumber %d\n", edidResult.ModelNumber );
+    // printf( "\tSerialNumber \"%s\"\n", edidResult.SerialNumber.ToCStr() );
+
+    // FIXME: Get timings as well, though they aren't very useful here
+    // except for the vertical refresh rate, presumably
+
+    return true;
+}
+
+static int discoverExtendedRifts(OVR::OSX::DisplayDesc* descriptorArray, int inputArraySize, bool edidInfo)
+{
+    OVR_UNUSED(edidInfo);
+    int result = 0;
+
+    static bool reportDiscovery = true;
+    OVR_UNUSED(reportDiscovery);
+
+    CGDirectDisplayID Displays[32];
+    uint32_t NDisplays = 0;
+    CGGetOnlineDisplayList(32, Displays, &NDisplays);
+
+    for (unsigned int i = 0; i < NDisplays; i++)
+    {
+        io_service_t port = CGDisplayIOServicePort(Displays[i]);
+        CFDictionaryRef DispInfo = IODisplayCreateInfoDictionary(port, kNilOptions);
+
+        // Display[i]
+
+        uint32_t vendor = CGDisplayVendorNumber(Displays[i]);
+        uint32_t product = CGDisplayModelNumber(Displays[i]);
+
+        CGRect desktop = CGDisplayBounds(Displays[i]);
+        Vector2i desktopOffset(desktop.origin.x, desktop.origin.y);
+        
+        if (vendor == 16082 && ( (product == 1)||(product == 2)||(product == 3) ) ) // 7" or HD
+        {
+            if( result >= inputArraySize ) { return result; }
+
+            Sizei    monitorResolution(1280, 800);                
+            
+            // Obtain and parse EDID data.
+            CFDataRef data = 
+                (CFDataRef)CFDictionaryGetValue(DispInfo, CFSTR(kIODisplayEDIDKey));
+            if (!data)
+            {
+                CFRelease(DispInfo);
+                OVR::LogError("[OSX Display] Unable to obtain EDID for Oculus product %d", product);
+                continue;
+            }
+            UByte* edid = (UByte*)CFDataGetBytePtr(data);
+            OSX::DisplayEDID edidResult;
+            parseEdid( edid, edidResult );
+
+            OVR::OSX::DisplayDesc& desc = descriptorArray[result++];
+            desc.DisplayID          = Displays[i];
+            desc.ModelName          = edidResult.MonitorName;   // User friendly string.
+            desc.EdidSerialNumber   = edidResult.SerialNumber;
+            desc.LogicalResolutionInPixels  = monitorResolution;
+            desc.DesktopDisplayOffset       = desktopOffset;
+
+            switch (product)
+            {
+                case 3: desc.DeviceTypeGuess = HmdType_DK2;       break;
+                case 2: desc.DeviceTypeGuess = HmdType_DKHDProto; break;
+                case 1: desc.DeviceTypeGuess = HmdType_DK1;       break;
+
+                default:
+                case 0: desc.DeviceTypeGuess = HmdType_Unknown;   break;
+            }
+
+            // Hard-coded defaults in case the device doesn't have the data itself.
+            // DK2 prototypes (0003) or DK HD Prototypes (0002)                
+            if (product == 3 || product == 2)
+            {
+                desc.LogicalResolutionInPixels  = Sizei(1920, 1080);
+                desc.NativeResolutionInPixels   = Sizei(1080, 1920);
+            }
+            else
+            {
+                desc.LogicalResolutionInPixels  = monitorResolution;
+                desc.NativeResolutionInPixels   = monitorResolution;
+            }
+
+            //OVR_DEBUG_LOG_TEXT(("Display Found %x:%x\n", vendor, product));
+        }
+        CFRelease(DispInfo);
+    }
+
+    return result;
+}
+
+
+//-------------------------------------------------------------------------------------
+// ***** Display 
+
+bool Display::Initialize()
+{
+    // Nothing to initialize. OS X only supports compatibility mode.
+    return true;
+}
+
+DisplaySearchHandle* Display::GetDisplaySearchHandle()
+{
+	return new OSX::OSXDisplaySearchHandle();
+}
+
+bool Display::InCompatibilityMode( bool displaySearch )
+{
+    OVR_UNUSED( displaySearch );
+    return true;
+}
+
+int Display::GetDisplayCount( DisplaySearchHandle* handle, bool extended, bool applicationOnly, bool edidInfo )
+{
+    OVR_UNUSED(applicationOnly);
+
+	static int extendedCount = -1;
+
+	OSX::OSXDisplaySearchHandle* localHandle = (OSX::OSXDisplaySearchHandle*)handle;
+    if (localHandle == NULL)
+    {
+        OVR::LogError("[OSX Display] No search handle passed into GetDisplayCount. Return 0 rifts.");
+        return 0;
+    }
+
+    if (extendedCount == -1 || extended)
+    {
+        extendedCount = discoverExtendedRifts(localHandle->cachedDescriptorArray, OSX::OSXDisplaySearchHandle::DescArraySize, edidInfo);
+    }
+
+	localHandle->extended = true;
+	localHandle->extendedDisplayCount = extendedCount;
+	int totalCount = extendedCount;
+
+    /// FIXME: Implement application mode for OS X.
+    localHandle->application = false;
+    localHandle->applicationDisplayCount = 0;
+
+    localHandle->displayCount = totalCount;
+
+    return totalCount;
+}
+
+Ptr<Display> Display::GetDisplay( int index, DisplaySearchHandle* handle )
+{
+    Ptr<Display> result = NULL;
+
+    if (index < 0)
+    {
+        OVR::LogError("[OSX Display] Invalid index given to GetDisplay.");
+        return NULL;
+    }
+
+	OSX::OSXDisplaySearchHandle* localHandle = (OSX::OSXDisplaySearchHandle*)handle;
+    if (localHandle == NULL)
+    {
+        OVR::LogError("[OSX Display] No search handle passed into GetDisplay. Return 0 rifts.");
+        return NULL;
+    }
+
+    if (localHandle->extended)
+    {
+        if (index >= 0 && index < (int)localHandle->extendedDisplayCount)
+        {
+            return *new OSX::OSXDisplayGeneric(localHandle->cachedDescriptorArray[index]);
+        }
+
+        index -= localHandle->extendedDisplayCount;
+    }
+
+    if (localHandle->application)
+    {
+        OVR::LogError("[OSX Display] Mac does not support application displays.");
+    }
+
+    return result;
+}
+
+
+} // namespace OVR
diff --git a/LibOVR/Src/Displays/OVR_OSX_Display.h b/LibOVR/Src/Displays/OVR_OSX_Display.h
new file mode 100644
index 0000000..1401121
--- /dev/null
+++ b/LibOVR/Src/Displays/OVR_OSX_Display.h
@@ -0,0 +1,139 @@
+/************************************************************************************
+
+Filename    :   OVR_OSX_Display.h
+Content     :   OSX-specific Display declarations
+Created     :   July 2, 2014
+Authors     :   James Hughes
+
+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.
+
+*************************************************************************************/
+
+#ifndef OVR_OSX_Display_h
+#define OVR_OSX_Display_h
+
+#include "OVR_Display.h"
+
+namespace OVR { namespace OSX {
+
+
+//-------------------------------------------------------------------------------------
+// DisplayDesc
+
+// Display information enumerable through OS .
+// TBD: Should we just move this to public header, so it's a const member of Display?
+struct DisplayDesc
+{
+    DisplayDesc() :
+        DeviceTypeGuess(HmdType_None),
+        DisplayID(0),
+        LogicalResolutionInPixels(0),
+        NativeResolutionInPixels(0)
+    {}
+
+    HmdTypeEnum DeviceTypeGuess;
+    uint32_t    DisplayID; // This is the device identifier string from MONITORINFO (for app usage)
+    String      ModelName; // This is a "DK2" type string
+    String      EdidSerialNumber;
+    Sizei       LogicalResolutionInPixels;
+    Sizei       NativeResolutionInPixels;
+    Vector2i    DesktopDisplayOffset;
+};
+
+
+//-------------------------------------------------------------------------------------
+// DisplayEDID
+
+// Describes EDID information as reported from our display driver.
+struct DisplayEDID
+{
+    DisplayEDID() :
+        ModelNumber(0)
+    {}
+
+    String MonitorName;
+    UInt16 ModelNumber;
+    String VendorName;
+    String SerialNumber;
+};
+
+//-------------------------------------------------------------------------------------
+// OSX Display Search Handle
+class OSXDisplaySearchHandle : public DisplaySearchHandle
+{
+public:
+    OSXDisplaySearchHandle() :
+        extended(false),
+        application(false),
+        extendedDisplayCount(0),
+        applicationDisplayCount(0),
+        displayCount(0)
+    {}
+    virtual ~OSXDisplaySearchHandle()   {}
+
+    static const int DescArraySize = 16;
+
+    OSX::DisplayDesc    cachedDescriptorArray[DescArraySize];
+    bool                extended;
+    bool                application;
+    int                 extendedDisplayCount;
+    int                 applicationDisplayCount;
+    int                 displayCount;
+};
+
+//-------------------------------------------------------------------------------------
+// OSXDisplayGeneric
+
+// Describes OSX display in Compatibility mode, containing basic data
+class OSXDisplayGeneric : public Display
+{
+public:
+    OSXDisplayGeneric( const DisplayDesc& dd ) :
+        Display(dd.DeviceTypeGuess,
+                dd.DisplayID,
+                dd.ModelName,
+                dd.EdidSerialNumber,
+                dd.LogicalResolutionInPixels,
+                dd.NativeResolutionInPixels,
+                dd.DesktopDisplayOffset,
+                0,
+                0,
+				false)
+    {
+    }
+
+    virtual ~OSXDisplayGeneric()
+    {
+    }
+
+    virtual bool InCompatibilityMode() const
+    {
+        return true;
+    }
+
+    // Generic displays are not capable of mirroring
+    virtual MirrorMode SetMirrorMode( MirrorMode newMode ) 
+    { 
+        OVR_UNUSED( newMode ); 
+        return MirrorDisabled; 
+    } 
+};
+
+}} // namespace OVR::OSX
+
+#endif // OVR_OSX_Display_h