85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
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/**********************************************************
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* Copyright 2008-2009 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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**********************************************************/
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/*
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* screen.h --
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*
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* Utilities for creating, destroying, and blitting SVGA Screen Objects.
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*/
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#ifndef __SCREEN_H__
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#define __SCREEN_H__
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#include "svga_reg.h"
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/*
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* Verify that we support SVGA Screen Objects. Panic if screen objects are not supported.
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*/
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void Screen_Init(void);
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/*
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* Creating/destroying screens
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*/
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void Screen_Define(const SVGAScreenObject *screen);
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void Screen_Destroy(uint32 id);
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/*
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* Set the current GMRFB state. This is a guest-memory image which can
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* be used as the source or destination for blits. This is a very
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* light-weight operation, so it's perfectly fine to set the GMRFB
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* state before every blit if that's necessary.
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*/
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void Screen_DefineGMRFB(SVGAGuestPtr ptr, uint32 bytesPerLine,
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SVGAGMRImageFormat format);
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/*
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* Blits to and from screens. The screen ID can be specified as
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* SVGA_ID_INVALID to indicate that the coordinates are relative to
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* the virtual coordinate space origin rather than the screen origin.
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*/
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void Screen_BlitFromGMRFB(const SVGASignedPoint *srcOrigin,
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const SVGASignedRect *destRect,
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uint32 destScreen);
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void Screen_BlitToGMRFB(const SVGASignedPoint *destOrigin,
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const SVGASignedRect *srcRect,
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uint32 srcScreen);
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/*
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* Blit annotations. These can be issued prior to a
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* Screen_BlitFromGMRFB in order to give the SVGA device an extra
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* guarantee about the content of the blit.
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*/
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void Screen_AnnotateFill(SVGAColorBGRX color);
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void Screen_AnnotateCopy(const SVGASignedPoint *srcOrigin, uint32 srcScreen);
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#endif /* __SCREEN_H__ */
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