0025556: Visualization - support stereo pair formats recognized by consumer display devices

Graphic3d_StereoMode - add new enumeration for stereoscopic outputs:
- Graphic3d_StereoMode_QuadBuffer
- Graphic3d_StereoMode_Anaglyph
- Graphic3d_StereoMode_RowInterlaced
- Graphic3d_StereoMode_ColumnInterlaced
- Graphic3d_StereoMode_ChessBoard
- Graphic3d_StereoMode_SideBySide
- Graphic3d_StereoMode_OverUnder

Graphic3d_RenderingParams - add new options controlling stereo output:
- StereoMode
- ToReverseStereo
- AnaglyphFilter

OpenGl_ShaderManager - add predefined GLSL programs for new stereo outputs.
OpenGl_Workspace::Redraw() - do not implicitly disable stereo to allow stereo dump as is.
OpenGl_Caps - add flag swapInterval to control VSync.
OpenGl_Workspace::BufferDump() - handle cases with non-applicable GL_PACK_ROW_LENGTH.

CALL_DEF_WINDOW - drop unused fields; add fields "left" and "top"
to reverse stereo pair for interlaced output depending on window position.

Draw Harness, ViewerTest:
- Extend syntax of command vstereo to setup stereo.
- Extend vdump command to allow dump of stereoscopic pair in different formats.
- Extend command vcaps with option vsync.
- Use mouse scroll to zoom and adjust ZFocus in WinAPI.
- Use "/" and "*" to adjust IOD.

v3d/glsl/stereo - add test case for stereo modes.

Cocoa_LocalPool, OSD_EnvironmentIterator - fix compilation issues on OS X Snow Leopard.

src/Cocoa/Cocoa_LocalPool.hxx

@@ -14,7 +14,13 @@
 #ifndef __Cocoa_LocalPool_h_
 #define __Cocoa_LocalPool_h_
 
-#if defined(__clang__) && (__clang_major__ >= 4) && __has_feature(objc_arc)
+#if defined(__clang__) && (__clang_major__ >= 4)
+#if __has_feature(objc_arc)
+  #define HAVE_OBJC_ARC
+#endif
+#endif
+
+#ifdef HAVE_OBJC_ARC
 
 // @autoreleasepool should be used within ARC
 

src/Cocoa/Cocoa_LocalPool.mm

@@ -23,9 +23,7 @@
   #import <Cocoa/Cocoa.h>
 #endif
 
-#if defined(__clang__) && (__clang_major__ >= 4) && __has_feature(objc_arc)
-  // ARC
-#else
+#ifndef HAVE_OBJC_ARC
 
 // =======================================================================
 // function : Cocoa_LocalPool

src/Cocoa/Cocoa_Window.mm

@@ -32,10 +32,6 @@
 IMPLEMENT_STANDARD_HANDLE (Cocoa_Window, Aspect_Window)
 IMPLEMENT_STANDARD_RTTIEXT(Cocoa_Window, Aspect_Window)
 
-#if defined(__clang__) && (__clang_major__ >= 4) && __has_feature(objc_arc)
-  #define HAVE_OBJC_ARC
-#endif
-
 #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
   //
 #else