public GLDepthBuffer( PoolId poolId, GLRenderSystem renderSystem, GLContext creatorContext,
GLRenderBuffer depth, GLRenderBuffer stencil,
int width, int height, int fsaa, int multiSampleQuality,
bool manual)
: base( poolId, 0, width, height, fsaa, "", manual )
{
}
internal GLPBRTTManager( BaseGLSupport glSupport, RenderTarget target )
: base( glSupport )
{
_glSupport = glSupport;
_mainWindow = target;
_mainGLContext = (GLContext)target.GetCustomAttribute( "GLCONTEXT" );
}
private void _switchContext( GLContext context )
{
// Unbind GPU programs and rebind to new context later, because
// scene manager treat render system as ONE 'context' ONLY, and it
// cached the GPU programs using state.
if ( currentVertexProgram != null )
currentVertexProgram.Unbind();
if ( currentFragmentProgram != null )
currentFragmentProgram.Unbind();
if (currentGeometryProgram != null)
currentGeometryProgram.Unbind();
// Disable lights
for (var i = 0 ; i < _currentLights; i++ )
{
SetGLLight( i, null );
lights[ i ] = null;
}
_currentLights = 0;
// Disable textures
DisableTextureUnitsFrom(0);
// It's ready to switching
_currentContext.EndCurrent();
_currentContext = context;
_currentContext.SetCurrent();
// Check if the context has already done one-time initialisation
if ( !_currentContext.Initialized )
{
OneTimeContextInitialization();
_currentContext.Initialized = true;
}
// Rebind GPU programs to new context
if ( currentVertexProgram != null )
currentVertexProgram.Bind();
if ( currentFragmentProgram != null )
currentFragmentProgram.Bind();
if (currentGeometryProgram != null)
currentGeometryProgram.Bind();
// Must reset depth/color write mask to according with user desired, otherwise,
// clearFrameBuffer would be wrong because the value we are recorded may be
// difference with the really state stored in GL context.
Gl.glDepthMask( depthWrite ? 1 : 0 ); // Tao 2.0
Gl.glColorMask( ColorWrite[ 0 ], ColorWrite[ 1 ], ColorWrite[ 2 ], ColorWrite[ 3 ] );
Gl.glStencilMask( stencilMask );
}
internal void UnRegisterContext( GLContext context )
{
if ( _currentContext == context )
{
// Change the context to something else so that a valid context
// remains active. When this is the main context being unregistered,
// we set the main context to 0.
if ( _currentContext != _mainContext )
{
_switchContext( _mainContext );
}
else
{
// No contexts remain
_currentContext.EndCurrent();
_currentContext = null;
_mainContext = null;
}
}
}
public GLDepthBuffer(PoolId poolId, GLRenderSystem renderSystem, GLContext creatorContext, GLRenderBuffer depth,
GLRenderBuffer stencil, int width, int height, int fsaa, int multiSampleQuality, bool manual)
: base(poolId, 0, width, height, fsaa, "", manual)
{
}