1/*
2 * Copyright (c) 2009 Tiago Vignatti
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use,
8 * copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following
11 * conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
18 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#ifdef HAVE_XORG_CONFIG_H
28#include <xorg-config.h>
29#endif
30
31#include "misc.h"
32#include "xf86.h"
33#include "xf86_OSproc.h"
34#include <X11/X.h>
35#include "colormapst.h"
36#include "scrnintstr.h"
37#include "screenint.h"
38#include "gcstruct.h"
39#include "pixmapstr.h"
40#include "pixmap.h"
41#include "windowstr.h"
42#include "window.h"
43#include "xf86str.h"
44#include "mipointer.h"
45#include "mipointrst.h"
46# include "picturestr.h"
47
48
49#define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}
50
51#define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x
52
53#define SCREEN_PROLOG(x) pScreen->x = ((VGAarbiterScreenPtr) \
54    dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))->x
55
56#define SCREEN_EPILOG(x,y) pScreen->x = y;
57
58#define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\
59    ps->x = y;}
60
61#define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}
62
63#define PICTURE_PROLOGUE(field) ps->field = \
64    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
65    VGAarbiterScreenKey))->field
66
67#define PICTURE_EPILOGUE(field, wrap) ps->field = wrap
68
69#define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)
70
71#define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x
72
73#define SPRITE_PROLOG miPointerScreenPtr PointPriv = \
74    (miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates, \
75    miPointerScreenKey); VGAarbiterScreenPtr pScreenPriv = \
76    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
77    VGAarbiterScreenKey)); PointPriv->spriteFuncs = pScreenPriv->miSprite;
78
79#define SPRITE_EPILOG pScreenPriv->miSprite = PointPriv->spriteFuncs;\
80    PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs;
81
82#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
83    	PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs; 		\
84	} while (0)
85
86#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
87
88#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
89    pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
90    (x)->funcs = &VGAarbiterGCFuncs;
91
92#define GC_UNWRAP(x) VGAarbiterGCPtr  pGCPriv = \
93    (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
94    (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
95
96static inline void
97VGAGet(ScreenPtr pScreen) {
98    pci_device_vgaarb_set_target(xf86Screens[pScreen->myNum]->vgaDev);
99    pci_device_vgaarb_lock();
100}
101
102static inline void
103VGAPut(void) {
104    pci_device_vgaarb_unlock();
105}
106
107typedef struct _VGAarbiterScreen {
108    CreateGCProcPtr             CreateGC;
109    CloseScreenProcPtr          CloseScreen;
110    ScreenBlockHandlerProcPtr   BlockHandler;
111    ScreenWakeupHandlerProcPtr  WakeupHandler;
112    GetImageProcPtr             GetImage;
113    GetSpansProcPtr             GetSpans;
114    SourceValidateProcPtr       SourceValidate;
115    CopyWindowProcPtr           CopyWindow;
116    ClearToBackgroundProcPtr    ClearToBackground;
117    CreatePixmapProcPtr         CreatePixmap;
118    SaveScreenProcPtr           SaveScreen;
119    /* Colormap */
120    StoreColorsProcPtr          StoreColors;
121    /* Cursor */
122    DisplayCursorProcPtr        DisplayCursor;
123    RealizeCursorProcPtr        RealizeCursor;
124    UnrealizeCursorProcPtr      UnrealizeCursor;
125    RecolorCursorProcPtr        RecolorCursor;
126    SetCursorPositionProcPtr    SetCursorPosition;
127    void                        (*AdjustFrame)(int,int,int,int);
128    Bool                        (*SwitchMode)(int, DisplayModePtr,int);
129    Bool                        (*EnterVT)(int, int);
130    void                        (*LeaveVT)(int, int);
131    void                        (*FreeScreen)(int, int);
132    miPointerSpriteFuncPtr      miSprite;
133    CompositeProcPtr            Composite;
134    GlyphsProcPtr               Glyphs;
135    CompositeRectsProcPtr       CompositeRects;
136} VGAarbiterScreenRec, *VGAarbiterScreenPtr;
137
138typedef struct _VGAarbiterGC {
139    GCOps                       *wrapOps;
140    GCFuncs                     *wrapFuncs;
141} VGAarbiterGCRec, *VGAarbiterGCPtr;
142
143/* Screen funcs */
144static void VGAarbiterBlockHandler(int i, pointer blockData, pointer pTimeout, pointer pReadmask);
145static void VGAarbiterWakeupHandler(int i, pointer blockData, unsigned long result, pointer pReadmask);
146static Bool VGAarbiterCloseScreen (int i, ScreenPtr pScreen);
147static void VGAarbiterGetImage (DrawablePtr pDrawable, int sx, int sy, int w,
148    int h, unsigned int format, unsigned long planemask, char *pdstLine);
149static void VGAarbiterGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr
150    ppt, int *pwidth, int nspans, char  *pdstStart);
151static void VGAarbiterSourceValidate (DrawablePtr pDrawable, int x, int y,
152    int width, int height, unsigned int subWindowMode);
153static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
154    RegionPtr prgnSrc);
155static void VGAarbiterClearToBackground (WindowPtr pWin, int x, int y, int w,
156    int h, Bool generateExposures);
157static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
158    int depth, unsigned int usage_hint);
159static Bool  VGAarbiterCreateGC(GCPtr pGC);
160static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
161static void VGAarbiterStoreColors (ColormapPtr pmap, int ndef, xColorItem
162    *pdefs);
163static void VGAarbiterRecolorCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
164    CursorPtr pCurs, Bool displayed);
165static Bool VGAarbiterRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
166    CursorPtr pCursor);
167static Bool VGAarbiterUnrealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
168    CursorPtr pCursor);
169static Bool VGAarbiterDisplayCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
170    CursorPtr pCursor);
171static Bool VGAarbiterSetCursorPosition (DeviceIntPtr pDev, ScreenPtr
172    pScreen, int x, int y, Bool generateEvent);
173static void VGAarbiterAdjustFrame(int index, int x, int y, int flags);
174static Bool VGAarbiterSwitchMode(int index, DisplayModePtr mode, int flags);
175static Bool VGAarbiterEnterVT(int index, int flags);
176static void VGAarbiterLeaveVT(int index, int flags);
177static void VGAarbiterFreeScreen(int index, int flags);
178
179/* GC funcs */
180static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
181    DrawablePtr pDraw);
182static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
183static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
184static void VGAarbiterDestroyGC(GCPtr pGC);
185static void VGAarbiterChangeClip(GCPtr pGC, int type, pointer pvalue,
186    int nrects);
187static void VGAarbiterDestroyClip(GCPtr pGC);
188static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
189
190/* GC ops */
191static void VGAarbiterFillSpans( DrawablePtr pDraw, GC *pGC, int nInit,
192    DDXPointPtr pptInit, int *pwidthInit, int fSorted);
193static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
194    register DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
195static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth,
196    int x, int y, int w, int h, int leftPad, int format, char *pImage);
197static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
198    GC *pGC, int srcx, int srcy, int width, int height, int dstx, int dsty);
199static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
200    GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty,
201    unsigned long bitPlane);
202static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode,
203    int npt, xPoint *pptInit);
204static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode,
205    int npt, DDXPointPtr pptInit);
206static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
207    xSegment *pSeg);
208static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
209    int nRectsInit, xRectangle *pRectsInit);
210static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
211    xArc *parcs);
212static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
213    int mode, int count, DDXPointPtr ptsIn);
214static void VGAarbiterPolyFillRect( DrawablePtr pDraw, GCPtr pGC,
215    int nrectFill, xRectangle *prectInit);
216static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
217    xArc *parcs);
218static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
219    int count, char *chars);
220static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
221    int count, unsigned short *chars);
222static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
223    int count, char *chars);
224static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
225    int count, unsigned short *chars);
226static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
227    int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
228static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
229    int yInit, unsigned int nglyph, CharInfoPtr *ppci, pointer pglyphBase);
230static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
231    pDraw, int dx, int dy, int xOrg, int yOrg);
232
233/* miSpriteFuncs */
234static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
235    pScreen, CursorPtr pCur);
236static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
237    pScreen, CursorPtr pCur);
238static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
239    CursorPtr pCur, int x, int y);
240static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
241    int x, int y);
242static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
243static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
244
245
246static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
247    PicturePtr pDst, INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
248    INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
249static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
250    PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, int nlist, GlyphListPtr
251    list, GlyphPtr *glyphs);
252static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst, xRenderColor
253    *color, int nRect, xRectangle *rects);
254