277 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			277 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (c) 2009 Tiago Vignatti
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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,
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|  * copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  * copies of the Software, and to permit persons to whom the
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|  * Software is furnished to do so, subject to the following
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|  * 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
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|  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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|  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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|  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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|  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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|  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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|  * OTHER DEALINGS IN THE SOFTWARE.
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|  *
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|  */
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| 
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| #ifdef HAVE_XORG_CONFIG_H
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| #include <xorg-config.h>
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| #endif
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| 
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| #include "misc.h"
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| #include "xf86.h"
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| #include "xf86_OSproc.h"
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| #include <X11/X.h>
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| #include "colormapst.h"
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| #include "scrnintstr.h"
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| #include "screenint.h"
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| #include "gcstruct.h"
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| #include "pixmapstr.h"
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| #include "pixmap.h"
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| #include "windowstr.h"
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| #include "window.h"
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| #include "xf86str.h"
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| #include "mipointer.h"
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| #include "mipointrst.h"
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| #include "picturestr.h"
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| 
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| #define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}
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| 
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| #define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x
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| 
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| #define SCREEN_PRIV()   ((VGAarbiterScreenPtr) dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))
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| 
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| #define SCREEN_PROLOG(x) (pScreen->x = SCREEN_PRIV()->x)
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| 
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| #define SCREEN_EPILOG(x,y) do {                 \
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|         SCREEN_PRIV()->x = pScreen->x;          \
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|         pScreen->x = y;                         \
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|     } while (0)
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| 
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| #define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\
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|     ps->x = y;}
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| 
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| #define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}
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| 
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| #define PICTURE_PROLOGUE(field) ps->field = \
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|     ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
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|     VGAarbiterScreenKey))->field
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| 
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| #define PICTURE_EPILOGUE(field, wrap) ps->field = wrap
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| 
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| #define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)
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| 
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| #define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x
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| 
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| #define SPRITE_PROLOG                                           \
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|     miPointerScreenPtr PointPriv;                               \
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|     VGAarbiterScreenPtr pScreenPriv;                            \
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|     input_lock();                                               \
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|     PointPriv = dixLookupPrivate(&pScreen->devPrivates,         \
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|                                  miPointerScreenKey);           \
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|     pScreenPriv = dixLookupPrivate(&(pScreen)->devPrivates,     \
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|                                    VGAarbiterScreenKey);        \
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|     PointPriv->spriteFuncs = pScreenPriv->miSprite;             \
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| 
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| #define SPRITE_EPILOG                                   \
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|     pScreenPriv->miSprite = PointPriv->spriteFuncs;     \
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|     PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs;   \
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|     input_unlock();
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| 
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| #define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
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|     	PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs; 		\
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| 	} while (0)
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| 
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| #define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
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| 
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| #define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
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|     pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
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|     (x)->funcs = &VGAarbiterGCFuncs;
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| 
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| #define GC_UNWRAP(x) VGAarbiterGCPtr  pGCPriv = \
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|     (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
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|     (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
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| 
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| static inline void
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| VGAGet(ScreenPtr pScreen)
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| {
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|     pci_device_vgaarb_set_target(xf86ScreenToScrn(pScreen)->vgaDev);
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|     pci_device_vgaarb_lock();
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| }
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| 
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| static inline void
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| VGAPut(void)
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| {
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|     pci_device_vgaarb_unlock();
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| }
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| 
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| typedef struct _VGAarbiterScreen {
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|     CreateGCProcPtr CreateGC;
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|     CloseScreenProcPtr CloseScreen;
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|     ScreenBlockHandlerProcPtr BlockHandler;
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|     ScreenWakeupHandlerProcPtr WakeupHandler;
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|     GetImageProcPtr GetImage;
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|     GetSpansProcPtr GetSpans;
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|     SourceValidateProcPtr SourceValidate;
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|     CopyWindowProcPtr CopyWindow;
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|     ClearToBackgroundProcPtr ClearToBackground;
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|     CreatePixmapProcPtr CreatePixmap;
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|     SaveScreenProcPtr SaveScreen;
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|     /* Colormap */
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|     StoreColorsProcPtr StoreColors;
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|     /* Cursor */
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|     DisplayCursorProcPtr DisplayCursor;
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|     RealizeCursorProcPtr RealizeCursor;
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|     UnrealizeCursorProcPtr UnrealizeCursor;
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|     RecolorCursorProcPtr RecolorCursor;
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|     SetCursorPositionProcPtr SetCursorPosition;
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|     void (*AdjustFrame) (ScrnInfoPtr, int, int);
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|     Bool (*SwitchMode) (ScrnInfoPtr, DisplayModePtr);
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|     Bool (*EnterVT) (ScrnInfoPtr);
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|     void (*LeaveVT) (ScrnInfoPtr);
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|     void (*FreeScreen) (ScrnInfoPtr);
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|     miPointerSpriteFuncPtr miSprite;
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|     CompositeProcPtr Composite;
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|     GlyphsProcPtr Glyphs;
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|     CompositeRectsProcPtr CompositeRects;
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| } VGAarbiterScreenRec, *VGAarbiterScreenPtr;
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| 
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| typedef struct _VGAarbiterGC {
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|     const GCOps *wrapOps;
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|     const GCFuncs *wrapFuncs;
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| } VGAarbiterGCRec, *VGAarbiterGCPtr;
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| 
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| /* Screen funcs */
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| static void VGAarbiterBlockHandler(ScreenPtr pScreen, void *pTimeout);
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| static void VGAarbiterWakeupHandler(ScreenPtr pScreen, int result);
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| static Bool VGAarbiterCloseScreen(ScreenPtr pScreen);
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| static void VGAarbiterGetImage(DrawablePtr pDrawable, int sx, int sy, int w,
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|                                int h, unsigned int format,
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|                                unsigned long planemask, char *pdstLine);
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| static void VGAarbiterGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
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|                                int *pwidth, int nspans, char *pdstStart);
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| static void VGAarbiterSourceValidate(DrawablePtr pDrawable, int x, int y,
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|                                      int width, int height,
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|                                      unsigned int subWindowMode);
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| static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
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|                                  RegionPtr prgnSrc);
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| static void VGAarbiterClearToBackground(WindowPtr pWin, int x, int y, int w,
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|                                         int h, Bool generateExposures);
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| static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
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|                                         int depth, unsigned int usage_hint);
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| static Bool VGAarbiterCreateGC(GCPtr pGC);
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| static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
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| static void VGAarbiterStoreColors(ColormapPtr pmap, int ndef, xColorItem
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|                                   * pdefs);
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| static void VGAarbiterRecolorCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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|                                     CursorPtr pCurs, Bool displayed);
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| static Bool VGAarbiterRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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|                                     CursorPtr pCursor);
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| static Bool VGAarbiterUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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|                                       CursorPtr pCursor);
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| static Bool VGAarbiterDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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|                                     CursorPtr pCursor);
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| static Bool VGAarbiterSetCursorPosition(DeviceIntPtr pDev, ScreenPtr
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|                                         pScreen, int x, int y,
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|                                         Bool generateEvent);
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| static void VGAarbiterAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
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| static Bool VGAarbiterSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode);
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| static Bool VGAarbiterEnterVT(ScrnInfoPtr pScrn);
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| static void VGAarbiterLeaveVT(ScrnInfoPtr pScrn);
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| static void VGAarbiterFreeScreen(ScrnInfoPtr pScrn);
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| 
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| /* GC funcs */
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| static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
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|                                  DrawablePtr pDraw);
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| static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
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| static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
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| static void VGAarbiterDestroyGC(GCPtr pGC);
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| static void VGAarbiterChangeClip(GCPtr pGC, int type, void *pvalue,
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|                                  int nrects);
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| static void VGAarbiterDestroyClip(GCPtr pGC);
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| static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
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| 
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| /* GC ops */
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| static void VGAarbiterFillSpans(DrawablePtr pDraw, GC * pGC, int nInit,
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|                                 DDXPointPtr pptInit, int *pwidthInit,
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|                                 int fSorted);
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| static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
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|                                register DDXPointPtr ppt, int *pwidth,
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|                                int nspans, int fSorted);
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| static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth, int x,
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|                                int y, int w, int h, int leftPad, int format,
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|                                char *pImage);
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| static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
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|                                     GC * pGC, int srcx, int srcy, int width,
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|                                     int height, int dstx, int dsty);
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| static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
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|                                      GCPtr pGC, int srcx, int srcy, int width,
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|                                      int height, int dstx, int dsty,
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|                                      unsigned long bitPlane);
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| static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
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|                                 xPoint * pptInit);
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| static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
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|                                 DDXPointPtr pptInit);
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| static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
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|                                   xSegment * pSeg);
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| static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
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|                                     int nRectsInit, xRectangle *pRectsInit);
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| static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
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|                               xArc * parcs);
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| static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
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|                                   int mode, int count, DDXPointPtr ptsIn);
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| static void VGAarbiterPolyFillRect(DrawablePtr pDraw, GCPtr pGC, int nrectFill,
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|                                    xRectangle *prectInit);
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| static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
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|                                   xArc * parcs);
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| static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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|                                int count, char *chars);
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| static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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|                                 int count, unsigned short *chars);
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| static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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|                                  int count, char *chars);
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| static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
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|                                   int count, unsigned short *chars);
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| static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
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|                                     int yInit, unsigned int nglyph,
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|                                     CharInfoPtr * ppci, void *pglyphBase);
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| static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
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|                                    int yInit, unsigned int nglyph,
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|                                    CharInfoPtr * ppci, void *pglyphBase);
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| static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
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|                                  pDraw, int dx, int dy, int xOrg, int yOrg);
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| 
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| /* miSpriteFuncs */
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| static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
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|                                           pScreen, CursorPtr pCur);
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| static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
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|                                             pScreen, CursorPtr pCur);
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| static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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|                                       CursorPtr pCur, int x, int y);
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| static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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|                                        int x, int y);
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| static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev,
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|                                              ScreenPtr pScreen);
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| static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
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| 
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| static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
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|                                 PicturePtr pDst, INT16 xSrc, INT16 ySrc,
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|                                 INT16 xMask, INT16 yMask, INT16 xDst,
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|                                 INT16 yDst, CARD16 width, CARD16 height);
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| static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
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|                              PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
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|                              int nlist, GlyphListPtr list, GlyphPtr * glyphs);
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| static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst,
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|                                      xRenderColor * color, int nRect,
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|                                      xRectangle *rects);
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