V3d_Viewer::AddZLayer() has been replaced by
V3d_Viewer::InsertLayerBefore() and V3d_Viewer::InsertLayerAfter() methods
allowing to specify Layer settings and index of existing layer to insert new one before/after.
The behavior of V3d_Viewer::AddZLayer() has been adjusted to append
new Layer before Graphic3d_ZLayerId_Top
(between Graphic3d_ZLayerId_Default and Graphic3d_ZLayerId_Top).
Graphic3d_Layer now provides LayerId() property.
Graphic3d_ZLayerSettings has been extended with IsRaytracable() property;
Ray-Tracing now processes multiple layers instead of Graphic3d_ZLayerId_Default.
Moved some methods from OpenGl_View to the base class Graphic3d_CView.
A new command vbackground is created. Old background commands are made aliases for the newly created command (including vsetdefaultbg).
Tests are modified using newly added command vbackground.
Graphic3d_TypeOfShaderObject enumeration has been extended by Geometry shader object type.
OpenGl_ShaderProgram::Initialize() processes new shader object types when supported by OpenGL version.
Declarations.glsl has been fixed so that occFragColor is defined only for
Fragment Shader object only (by handling new FRAGMENT_SHADER macros).
Improved documentation of Graphic3d_ArrayOfPrimitives class.
vshader Draw Harness command has been extended to support definition
of Shader Object types other than Vertex and Fragment shader.
Graphic3d_ZLayerSettings - public fields have been replaced by methods.
Added new property Origin defining local coordinate system for all Layer objects.
Syntax of Draw Harness command VZLayer has been redesigned.
Graphic3d_CStructure now stores bounding box with double precision floats.
OpenGl_BVHTreeSelector - frustum culling now works with double precision floats.
Graphic3d_Camera::TransformMatrices redundant NCollection_Handle usage
has been replaced with validity flags.
Graphic3d_TransModeFlags now defined as enumeration, not integer bit flags.
Graphic3d_TMF_PanPers and Graphic3d_TMF_FullPers have been removed.
Graphic3d_TMF_ZoomRotatePers has been introduced.
Graphic3d_TransformPers is now inherits Standard_Transient.
Graphic3d_TransformPers now defines dedicated constructors
for 3D persistence (zoom / rotate) and 2D persistence (2d / trihedron).
2D persistence now supports dedicated values for X and Y offsets.
The corner is now specified by enumeration Aspect_TypeOfTriedronPosition
instead of indirect interpretation of anchor point values.
Fixed handling of Graphic3d_TMF_ZoomRotatePers (combination of Graphic3d_TMF_RotatePers + Graphic3d_TMF_ZoomPers).
PrsMgr_PresentableObject, Graphic3d_CStructure now hold
Handle(Graphic3d_TransformPers) instead of a value.
Method ::SetTransformPersistence(), ::TransformPersistence()
now works with Handle(Graphic3d_TransformPers).
Old methods have been marked deprecated.
Graphic3d_Camera definition has been exended by optional Tile property (Graphic3d_CameraTile structure).
V3d_View::ToPixMap() now performs tiled dump when image size exceeds hardware limits.
OpenGl_View::Redraw() - fixed dump of immediate Z layers in no stereo and no MSAA case.
OpenGl_Context now tracks viewport values.
Draw Harness command vdump has been extended with new argument -tileSize.
