xf86VGAarbiterPriv.h revision 35c4bbdf 
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#define WRAP_SCREEN(x,y) {pScreenPriv->x = pScreen->x; pScreen->x = y;}
49
50#define UNWRAP_SCREEN(x) pScreen->x = pScreenPriv->x
51
52#define SCREEN_PRIV()   ((VGAarbiterScreenPtr) dixLookupPrivate(&(pScreen)->devPrivates, VGAarbiterScreenKey))
53
54#define SCREEN_PROLOG(x) (pScreen->x = SCREEN_PRIV()->x)
55
56#define SCREEN_EPILOG(x,y) do {                 \
57        SCREEN_PRIV()->x = pScreen->x;          \
58        pScreen->x = y;                         \
59    } while (0)
60
61#define WRAP_PICT(x,y) if (ps) {pScreenPriv->x = ps->x;\
62    ps->x = y;}
63
64#define UNWRAP_PICT(x) if (ps) {ps->x = pScreenPriv->x;}
65
66#define PICTURE_PROLOGUE(field) ps->field = \
67    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
68    VGAarbiterScreenKey))->field
69
70#define PICTURE_EPILOGUE(field, wrap) ps->field = wrap
71
72#define WRAP_SCREEN_INFO(x,y) do {pScreenPriv->x = pScrn->x; pScrn->x = y;} while(0)
73
74#define UNWRAP_SCREEN_INFO(x) pScrn->x = pScreenPriv->x
75
76#define SPRITE_PROLOG miPointerScreenPtr PointPriv = \
77    (miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates, \
78    miPointerScreenKey); VGAarbiterScreenPtr pScreenPriv = \
79    ((VGAarbiterScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
80    VGAarbiterScreenKey)); PointPriv->spriteFuncs = pScreenPriv->miSprite;
81
82#define SPRITE_EPILOG pScreenPriv->miSprite = PointPriv->spriteFuncs;\
83    PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs;
84
85#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
86    	PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs; 		\
87	} while (0)
88
89#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
90
91#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
92    pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
93    (x)->funcs = &VGAarbiterGCFuncs;
94
95#define GC_UNWRAP(x) VGAarbiterGCPtr  pGCPriv = \
96    (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
97    (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
98
99static inline void
100VGAGet(ScreenPtr pScreen)
101{
102    pci_device_vgaarb_set_target(xf86ScreenToScrn(pScreen)->vgaDev);
103    pci_device_vgaarb_lock();
104}
105
106static inline void
107VGAPut(void)
108{
109    pci_device_vgaarb_unlock();
110}
111
112typedef struct _VGAarbiterScreen {
113    CreateGCProcPtr CreateGC;
114    CloseScreenProcPtr CloseScreen;
115    ScreenBlockHandlerProcPtr BlockHandler;
116    ScreenWakeupHandlerProcPtr WakeupHandler;
117    GetImageProcPtr GetImage;
118    GetSpansProcPtr GetSpans;
119    SourceValidateProcPtr SourceValidate;
120    CopyWindowProcPtr CopyWindow;
121    ClearToBackgroundProcPtr ClearToBackground;
122    CreatePixmapProcPtr CreatePixmap;
123    SaveScreenProcPtr SaveScreen;
124    /* Colormap */
125    StoreColorsProcPtr StoreColors;
126    /* Cursor */
127    DisplayCursorProcPtr DisplayCursor;
128    RealizeCursorProcPtr RealizeCursor;
129    UnrealizeCursorProcPtr UnrealizeCursor;
130    RecolorCursorProcPtr RecolorCursor;
131    SetCursorPositionProcPtr SetCursorPosition;
132    void (*AdjustFrame) (ScrnInfoPtr, int, int);
133    Bool (*SwitchMode) (ScrnInfoPtr, DisplayModePtr);
134    Bool (*EnterVT) (ScrnInfoPtr);
135    void (*LeaveVT) (ScrnInfoPtr);
136    void (*FreeScreen) (ScrnInfoPtr);
137    miPointerSpriteFuncPtr miSprite;
138    CompositeProcPtr Composite;
139    GlyphsProcPtr Glyphs;
140    CompositeRectsProcPtr CompositeRects;
141} VGAarbiterScreenRec, *VGAarbiterScreenPtr;
142
143typedef struct _VGAarbiterGC {
144    const GCOps *wrapOps;
145    const GCFuncs *wrapFuncs;
146} VGAarbiterGCRec, *VGAarbiterGCPtr;
147
148/* Screen funcs */
149static void VGAarbiterBlockHandler(ScreenPtr pScreen, void *pTimeout,
150                                   void *pReadmask);
151static void VGAarbiterWakeupHandler(ScreenPtr pScreen,
152                                    unsigned long result, void *pReadmask);
153static Bool VGAarbiterCloseScreen(ScreenPtr pScreen);
154static void VGAarbiterGetImage(DrawablePtr pDrawable, int sx, int sy, int w,
155                               int h, unsigned int format,
156                               unsigned long planemask, char *pdstLine);
157static void VGAarbiterGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
158                               int *pwidth, int nspans, char *pdstStart);
159static void VGAarbiterSourceValidate(DrawablePtr pDrawable, int x, int y,
160                                     int width, int height,
161                                     unsigned int subWindowMode);
162static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
163                                 RegionPtr prgnSrc);
164static void VGAarbiterClearToBackground(WindowPtr pWin, int x, int y, int w,
165                                        int h, Bool generateExposures);
166static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
167                                        int depth, unsigned int usage_hint);
168static Bool VGAarbiterCreateGC(GCPtr pGC);
169static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
170static void VGAarbiterStoreColors(ColormapPtr pmap, int ndef, xColorItem
171                                  * pdefs);
172static void VGAarbiterRecolorCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
173                                    CursorPtr pCurs, Bool displayed);
174static Bool VGAarbiterRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
175                                    CursorPtr pCursor);
176static Bool VGAarbiterUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
177                                      CursorPtr pCursor);
178static Bool VGAarbiterDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
179                                    CursorPtr pCursor);
180static Bool VGAarbiterSetCursorPosition(DeviceIntPtr pDev, ScreenPtr
181                                        pScreen, int x, int y,
182                                        Bool generateEvent);
183static void VGAarbiterAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
184static Bool VGAarbiterSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode);
185static Bool VGAarbiterEnterVT(ScrnInfoPtr pScrn);
186static void VGAarbiterLeaveVT(ScrnInfoPtr pScrn);
187static void VGAarbiterFreeScreen(ScrnInfoPtr pScrn);
188
189/* GC funcs */
190static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
191                                 DrawablePtr pDraw);
192static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
193static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
194static void VGAarbiterDestroyGC(GCPtr pGC);
195static void VGAarbiterChangeClip(GCPtr pGC, int type, void *pvalue,
196                                 int nrects);
197static void VGAarbiterDestroyClip(GCPtr pGC);
198static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
199
200/* GC ops */
201static void VGAarbiterFillSpans(DrawablePtr pDraw, GC * pGC, int nInit,
202                                DDXPointPtr pptInit, int *pwidthInit,
203                                int fSorted);
204static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
205                               register DDXPointPtr ppt, int *pwidth,
206                               int nspans, int fSorted);
207static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth, int x,
208                               int y, int w, int h, int leftPad, int format,
209                               char *pImage);
210static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
211                                    GC * pGC, int srcx, int srcy, int width,
212                                    int height, int dstx, int dsty);
213static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
214                                     GCPtr pGC, int srcx, int srcy, int width,
215                                     int height, int dstx, int dsty,
216                                     unsigned long bitPlane);
217static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
218                                xPoint * pptInit);
219static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
220                                DDXPointPtr pptInit);
221static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
222                                  xSegment * pSeg);
223static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
224                                    int nRectsInit, xRectangle *pRectsInit);
225static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
226                              xArc * parcs);
227static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
228                                  int mode, int count, DDXPointPtr ptsIn);
229static void VGAarbiterPolyFillRect(DrawablePtr pDraw, GCPtr pGC, int nrectFill,
230                                   xRectangle *prectInit);
231static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
232                                  xArc * parcs);
233static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
234                               int count, char *chars);
235static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
236                                int count, unsigned short *chars);
237static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
238                                 int count, char *chars);
239static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
240                                  int count, unsigned short *chars);
241static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
242                                    int yInit, unsigned int nglyph,
243                                    CharInfoPtr * ppci, void *pglyphBase);
244static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
245                                   int yInit, unsigned int nglyph,
246                                   CharInfoPtr * ppci, void *pglyphBase);
247static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
248                                 pDraw, int dx, int dy, int xOrg, int yOrg);
249
250/* miSpriteFuncs */
251static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
252                                          pScreen, CursorPtr pCur);
253static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
254                                            pScreen, CursorPtr pCur);
255static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
256                                      CursorPtr pCur, int x, int y);
257static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
258                                       int x, int y);
259static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev,
260                                             ScreenPtr pScreen);
261static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
262
263static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
264                                PicturePtr pDst, INT16 xSrc, INT16 ySrc,
265                                INT16 xMask, INT16 yMask, INT16 xDst,
266                                INT16 yDst, CARD16 width, CARD16 height);
267static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
268                             PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
269                             int nlist, GlyphListPtr list, GlyphPtr * glyphs);
270static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst,
271                                     xRenderColor * color, int nRect,
272                                     xRectangle *rects);
273