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 )
{
}
/// <summary>
/// Request a render buffer. If format is Gl.GL_NONE, return a zero buffer.
/// </summary>
/// <param name="format"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public GLSurfaceDesc RequestRenderBuffer(int format, int width, int height)
{
var retval = new GLSurfaceDesc();
retval.Buffer = null; // Return 0 buffer if GL_NONE is requested
if (format != Gl.GL_NONE)
{
var key = new RBFormat(format, width, height);
RBRef value;
if (this._renderBufferMap.TryGetValue(key, out value))
{
retval.Buffer = value.Buffer;
retval.ZOffset = 0;
// Increase refcount
value.Refcount++;
}
else
{
// New one
var rb = new GLRenderBuffer(format, width, height, 0);
this._renderBufferMap[key] = new RBRef(rb);
retval.Buffer = rb;
retval.ZOffset = 0;
}
}
LogManager.Instance.Write("Requested renderbuffer with format " + format.ToString() + " of " + width.ToString() +
"x" + height.ToString() + ".");
return(retval);
}
public RBRef(GLRenderBuffer buffer)
{
this.Buffer = buffer;
this.Refcount = 1;
}
/// <summary>
/// Request a render buffer. If format is Gl.GL_NONE, return a zero buffer.
/// </summary>
/// <param name="format"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public GLSurfaceDesc RequestRenderBuffer( int format, int width, int height )
{
var retval = new GLSurfaceDesc();
retval.Buffer = null; // Return 0 buffer if GL_NONE is requested
if ( format != Gl.GL_NONE )
{
var key = new RBFormat( format, width, height );
RBRef value;
if ( this._renderBufferMap.TryGetValue( key, out value ) )
{
retval.Buffer = value.Buffer;
retval.ZOffset = 0;
// Increase refcount
value.Refcount++;
}
else
{
// New one
var rb = new GLRenderBuffer( format, width, height, 0 );
this._renderBufferMap[ key ] = new RBRef( rb );
retval.Buffer = rb;
retval.ZOffset = 0;
}
}
LogManager.Instance.Write( "Requested renderbuffer with format " + format.ToString() + " of " + width.ToString() +
"x" + height.ToString() + "." );
return retval;
}
public RBRef( GLRenderBuffer buffer )
{
this.Buffer = buffer;
this.Refcount = 1;
}
public override DepthBuffer CreateDepthBufferFor( RenderTarget renderTarget )
{
GLDepthBuffer retVal = null;
//Only FBO & pbuffer support different depth buffers, so everything
//else creates dummy (empty) containers
//retVal = mRTTManager->_createDepthBufferFor( renderTarget );
var fbo = (GLFrameBufferObject)renderTarget["FBO"];
if( fbo != null )
{
//Presence of an FBO means the manager is an FBO Manager, that's why it's safe to downcast
//Find best depth & stencil format suited for the RT's format
int depthFormat;
int stencilFormat;
((GLFBORTTManager)(rttManager)).GetBestDepthStencil( fbo.Format,
out depthFormat, out stencilFormat );
var depthBuffer = new GLRenderBuffer( depthFormat, fbo.Width,
fbo.Height, fbo.FSAA );
var stencilBuffer = depthBuffer;
if( depthFormat != Gl.GL_DEPTH24_STENCIL8_EXT && stencilBuffer != null ) /* Gl.GL_NONE */
{
stencilBuffer = new GLRenderBuffer( stencilFormat, fbo.Width,
fbo.Height, fbo.FSAA );
}
//No "custom-quality" multisample for now in GL
retVal = new GLDepthBuffer( 0, this, _currentContext, depthBuffer, stencilBuffer,
fbo.Width, fbo.Height, fbo.FSAA, 0, false );
}
return retVal;
}
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)
{
}
