Trying to hack the stereo for layered

libraries/gpu-gl-common/src/gpu/gl/GLBackendTransform.cpp

@@ -47,6 +47,9 @@ void GLBackend::do_setViewportTransform(const Batch& batch, size_t paramOffset)
 
         // Mono
         leftRight[0] = vp;
+        // adding this here as im doing Layered, force the first viewport here to be half of it
+        leftRight[0].x = 0; 
+        leftRight[0].z = sideWidth;
 
         // Left side
         leftRight[1] = vp;

libraries/gpu/src/gpu/Transform.slh

@@ -169,8 +169,10 @@ TransformObject getTransformObject() {
         uint eyeIndex = uint(_stereoSide);
 #if !defined(GPU_GLES) || (defined(HAVE_EXT_clip_cull_distance) && !defined(VULKAN))
 #ifdef GPU_GL450
-        gl_ViewportIndex = _stereoSide + 1;
+      /*  gl_ViewportIndex = _stereoSide + 1;
       //  gl_ViewportIndex = 2 - _stereoSide;
+        */// THIs is the layered version
+        gl_Layer = _stereoSide;
 #else
         gl_ClipDistance[0] = dot(<$clipPos$>, eyeClipEdge[eyeIndex]);
 #endif