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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
///////////////////////////////////////////////////////////////////////////////
// //
// plRenderTarget.h - Header file for the plRenderTarget class //
// Cyan, Inc. //
// //
//// Version History //////////////////////////////////////////////////////////
// //
// 5.21.2001 mcn - Created. //
// //
///////////////////////////////////////////////////////////////////////////////
#ifndef _plRenderTarget_h
#define _plRenderTarget_h
#include "plPipeResReq.h"
#include "plGImage/plBitmap.h"
#define ASSERT_ABSOLUTE hsAssert( !fProportionalViewport, "Cannot perform this on a proportional RenderTarget" );
#define ASSERT_PROPORTIONAL hsAssert( fProportionalViewport, "Cannot perform this on an absolute RenderTarget" );
//// Class Definition /////////////////////////////////////////////////////////
class hsGDeviceRef;
class plCubicRenderTarget;
class plRenderTarget : public plBitmap
{
friend plCubicRenderTarget;
protected:
UInt16 fWidth, fHeight;
union
{
struct
{
UInt16 fLeft, fTop, fRight, fBottom;
} fAbsolute;
struct
{
hsScalar fLeft, fTop, fRight, fBottom;
} fProportional;
} fViewport;
hsBool fApplyTexQuality;
hsBool fProportionalViewport;
UInt8 fZDepth, fStencilDepth;
plCubicRenderTarget *fParent;
virtual void SetKey(plKey k);
virtual UInt32 Read( hsStream *s );
virtual UInt32 Write( hsStream *s );
public:
CLASSNAME_REGISTER( plRenderTarget );
GETINTERFACE_ANY( plRenderTarget, plBitmap );
plRenderTarget()
{
fWidth = 0;
fHeight = 0;
fPixelSize = 0;
fZDepth = 0;
fStencilDepth = 0;
fApplyTexQuality = false;
fProportionalViewport = true;
SetViewport( 0, 0, 1.f, 1.f );
fFlags = 0;
fParent = nil;
plPipeResReq::Request();
}
plRenderTarget( UInt16 flags, UInt16 width, UInt16 height, UInt8 bitDepth, UInt8 zDepth = 0xff, UInt8 stencilDepth = 0xff )
{
fWidth = width;
fHeight = height;
fPixelSize = bitDepth;
fZDepth = ( zDepth != 0xff ) ? zDepth : (bitDepth > 16 ? 24 : 16);
fStencilDepth = ( stencilDepth != 0xff ) ? stencilDepth : 0;
fFlags = flags;
fParent = nil;
hsAssert( fFlags & (kIsTexture|kIsOffscreen), "Cannot perform this on an on-screen RenderTarget" );
fApplyTexQuality = false;
fProportionalViewport = false;
SetViewport( 0, 0, width, height );
plPipeResReq::Request();
}
// Render-to-Screen constructor
plRenderTarget( UInt16 flags, hsScalar left, hsScalar top, hsScalar right, hsScalar bottom, UInt8 bitDepth, UInt8 zDepth = 0xff, UInt8 stencilDepth = 0xff )
{
fWidth = 0; // Can't really set these, at least not yet
fHeight = 0;
fPixelSize = bitDepth;
fZDepth = ( zDepth != 0xff ) ? zDepth : 16;
fStencilDepth = ( stencilDepth != 0xff ) ? stencilDepth : 0;
fFlags = flags;
fParent = nil;
hsAssert( !( fFlags & (kIsTexture|kIsOffscreen) ), "Cannot perform this on an offscreen RenderTarget" );
fApplyTexQuality = false;
fProportionalViewport = true;
SetViewport( left, top, right, bottom );
plPipeResReq::Request();
}
virtual ~plRenderTarget() {}
virtual void SetViewport( UInt16 left, UInt16 top, UInt16 right, UInt16 bottom )
{
ASSERT_ABSOLUTE;
fViewport.fAbsolute.fLeft = left;
fViewport.fAbsolute.fTop = top;
fViewport.fAbsolute.fRight = right;
fViewport.fAbsolute.fBottom = bottom;
}
virtual void SetViewport( hsScalar left, hsScalar top, hsScalar right, hsScalar bottom )
{
ASSERT_PROPORTIONAL;
fViewport.fProportional.fLeft = left;
fViewport.fProportional.fTop = top;
fViewport.fProportional.fRight = right;
fViewport.fProportional.fBottom = bottom;
}
UInt16 GetWidth( void ) { return fWidth; }
UInt16 GetHeight( void ) { return fHeight; }
UInt8 GetZDepth( void ) { return fZDepth; }
UInt8 GetStencilDepth( void ) { return fStencilDepth; }
UInt16 GetVPLeft( void ) { ASSERT_ABSOLUTE; return fViewport.fAbsolute.fLeft; }
UInt16 GetVPTop( void ) { ASSERT_ABSOLUTE; return fViewport.fAbsolute.fTop; }
UInt16 GetVPRight( void ) { ASSERT_ABSOLUTE; return fViewport.fAbsolute.fRight; }
UInt16 GetVPBottom( void ) { ASSERT_ABSOLUTE; return fViewport.fAbsolute.fBottom; }
hsScalar GetVPLeftProp( void ) { ASSERT_PROPORTIONAL; return fViewport.fProportional.fLeft; }
hsScalar GetVPTopProp( void ) { ASSERT_PROPORTIONAL; return fViewport.fProportional.fTop; }
hsScalar GetVPRightProp( void ) { ASSERT_PROPORTIONAL; return fViewport.fProportional.fRight; }
hsScalar GetVPBottomProp( void ) { ASSERT_PROPORTIONAL; return fViewport.fProportional.fBottom; }
hsBool ViewIsProportional( void ) const { return fProportionalViewport; }
plCubicRenderTarget *GetParent( void ) const { return fParent; }
virtual UInt32 GetTotalSize( void ) const { return fWidth * fHeight * ( fPixelSize >> 3 ); }
virtual hsBool MsgReceive(plMessage* msg);
virtual void SetVisRegionName(char *name){} // override to set vis region names for anyone who cares
};
#endif // _plRenderTarget_h