Modified shadowmap calculations to include multipass for point lights.
Added shader funtions to calculate point light shadows.
Added getter for default znear and zfar values in Graphic3d_Camera.
Added direction and up vector calulations on Graphic3d_CubeMap.
Added logical exception for opengles2.0 lack of support on some key features of cube shadow maps.
Added test case.
Added new flag OpenGl_Caps::buffersDeepColor disabled by default.
OpenGl_Window now tries to find a RGB10_A2 pixel format using wglChoosePixelFormatARB().
OpenGl_TextureFormat::FindSizedFormat() - added handling of GL_RGB10_A2 internal format.
OpenGl_View::SetWindow() now selects preferred FBO color format basing on parameters.
OpenGl_Context::DiagnosticInformation()/OpenGl_View::DiagnosticInformation() now include
information about window pixel format / FBO texture format.
vlight command has been revised to provide more friendly syntax.
Command now accepts light index or name as first argument.
Added arguments -enable/-disable for managing enabled state.
Added argument -reset to reset light parameters to default values.
V3d_Viewer::SetDefaultLights() now sets names "headlight" and "ambient" to created lights.
Graphic3d_TypeOfLightSource enumeration values have been renamed to avoid shortcuts.
Draw::Atof(), applied corrections to avoid explicit new/delete calls.
Added new property Graphic3d_Camera::IsZeroToOneDepth() and OpenGl_Caps::useZeroToOneDepth
for activating [0,1] depth range instead of [-1,1] range using glClipControl() within OpenGL 4.5+.
OpenGl_LayerList::renderLayer() - fixed usage of wrong camera while rendering shadowmap,
and apply Z-Layer origin shift to shadowmap matrix while applying shadow.
Graphic3d_CLight::ToCastShadows() - added new property defining if light should cast shadows (ignored by Ray-Tracing).
OpenGl_ShaderManager::stdComputeLighting() now implements shadow mapping for directional lights.
OpenGl_ShaderManager::prepareGeomMainSrc() now handles copying of arrays.
OpenGl_Context::ShadowMapTexUnit() - added property defining an offset for shadow map texture units.
OpenGl_ShadowMap - added new class storing shadow map FBO with parameters.
OpenGl_View::prepareFrameBuffers() - added resizing of shadow map FBOs.
OpenGl_View::Redraw() - added section redrawing scene into shadow map FBOs via OpenGl_View::renderShadowMap() method.
vrenderparams - added new parameters -shadowMapResolution and -shadowMapBias.
