xf86VGAarbiterPriv.h revision 1b5d61b8 
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                                           \
77    miPointerScreenPtr PointPriv;                               \
78    VGAarbiterScreenPtr pScreenPriv;                            \
79    input_lock();                                               \
80    PointPriv = dixLookupPrivate(&pScreen->devPrivates,         \
81                                 miPointerScreenKey);           \
82    pScreenPriv = dixLookupPrivate(&(pScreen)->devPrivates,     \
83                                   VGAarbiterScreenKey);        \
84    PointPriv->spriteFuncs = pScreenPriv->miSprite;             \
85
86#define SPRITE_EPILOG                                   \
87    pScreenPriv->miSprite = PointPriv->spriteFuncs;     \
88    PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs;   \
89    input_unlock();
90
91#define WRAP_SPRITE do { pScreenPriv->miSprite = PointPriv->spriteFuncs;\
92    	PointPriv->spriteFuncs  = &VGAarbiterSpriteFuncs; 		\
93	} while (0)
94
95#define UNWRAP_SPRITE PointPriv->spriteFuncs = pScreenPriv->miSprite
96
97#define GC_WRAP(x) pGCPriv->wrapOps = (x)->ops;\
98    pGCPriv->wrapFuncs = (x)->funcs; (x)->ops = &VGAarbiterGCOps;\
99    (x)->funcs = &VGAarbiterGCFuncs;
100
101#define GC_UNWRAP(x) VGAarbiterGCPtr  pGCPriv = \
102    (VGAarbiterGCPtr)dixLookupPrivate(&(x)->devPrivates, VGAarbiterGCKey);\
103    (x)->ops = pGCPriv->wrapOps; (x)->funcs = pGCPriv->wrapFuncs;
104
105static inline void
106VGAGet(ScreenPtr pScreen)
107{
108    pci_device_vgaarb_set_target(xf86ScreenToScrn(pScreen)->vgaDev);
109    pci_device_vgaarb_lock();
110}
111
112static inline void
113VGAPut(void)
114{
115    pci_device_vgaarb_unlock();
116}
117
118typedef struct _VGAarbiterScreen {
119    CreateGCProcPtr CreateGC;
120    CloseScreenProcPtr CloseScreen;
121    ScreenBlockHandlerProcPtr BlockHandler;
122    ScreenWakeupHandlerProcPtr WakeupHandler;
123    GetImageProcPtr GetImage;
124    GetSpansProcPtr GetSpans;
125    SourceValidateProcPtr SourceValidate;
126    CopyWindowProcPtr CopyWindow;
127    ClearToBackgroundProcPtr ClearToBackground;
128    CreatePixmapProcPtr CreatePixmap;
129    SaveScreenProcPtr SaveScreen;
130    /* Colormap */
131    StoreColorsProcPtr StoreColors;
132    /* Cursor */
133    DisplayCursorProcPtr DisplayCursor;
134    RealizeCursorProcPtr RealizeCursor;
135    UnrealizeCursorProcPtr UnrealizeCursor;
136    RecolorCursorProcPtr RecolorCursor;
137    SetCursorPositionProcPtr SetCursorPosition;
138    void (*AdjustFrame) (ScrnInfoPtr, int, int);
139    Bool (*SwitchMode) (ScrnInfoPtr, DisplayModePtr);
140    Bool (*EnterVT) (ScrnInfoPtr);
141    void (*LeaveVT) (ScrnInfoPtr);
142    void (*FreeScreen) (ScrnInfoPtr);
143    miPointerSpriteFuncPtr miSprite;
144    CompositeProcPtr Composite;
145    GlyphsProcPtr Glyphs;
146    CompositeRectsProcPtr CompositeRects;
147} VGAarbiterScreenRec, *VGAarbiterScreenPtr;
148
149typedef struct _VGAarbiterGC {
150    const GCOps *wrapOps;
151    const GCFuncs *wrapFuncs;
152} VGAarbiterGCRec, *VGAarbiterGCPtr;
153
154/* Screen funcs */
155static void VGAarbiterBlockHandler(ScreenPtr pScreen, void *pTimeout);
156static void VGAarbiterWakeupHandler(ScreenPtr pScreen, int result);
157static Bool VGAarbiterCloseScreen(ScreenPtr pScreen);
158static void VGAarbiterGetImage(DrawablePtr pDrawable, int sx, int sy, int w,
159                               int h, unsigned int format,
160                               unsigned long planemask, char *pdstLine);
161static void VGAarbiterGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
162                               int *pwidth, int nspans, char *pdstStart);
163static void VGAarbiterSourceValidate(DrawablePtr pDrawable, int x, int y,
164                                     int width, int height,
165                                     unsigned int subWindowMode);
166static void VGAarbiterCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg,
167                                 RegionPtr prgnSrc);
168static void VGAarbiterClearToBackground(WindowPtr pWin, int x, int y, int w,
169                                        int h, Bool generateExposures);
170static PixmapPtr VGAarbiterCreatePixmap(ScreenPtr pScreen, int w, int h,
171                                        int depth, unsigned int usage_hint);
172static Bool VGAarbiterCreateGC(GCPtr pGC);
173static Bool VGAarbiterSaveScreen(ScreenPtr pScreen, Bool unblank);
174static void VGAarbiterStoreColors(ColormapPtr pmap, int ndef, xColorItem
175                                  * pdefs);
176static void VGAarbiterRecolorCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
177                                    CursorPtr pCurs, Bool displayed);
178static Bool VGAarbiterRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
179                                    CursorPtr pCursor);
180static Bool VGAarbiterUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
181                                      CursorPtr pCursor);
182static Bool VGAarbiterDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
183                                    CursorPtr pCursor);
184static Bool VGAarbiterSetCursorPosition(DeviceIntPtr pDev, ScreenPtr
185                                        pScreen, int x, int y,
186                                        Bool generateEvent);
187static void VGAarbiterAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
188static Bool VGAarbiterSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode);
189static Bool VGAarbiterEnterVT(ScrnInfoPtr pScrn);
190static void VGAarbiterLeaveVT(ScrnInfoPtr pScrn);
191static void VGAarbiterFreeScreen(ScrnInfoPtr pScrn);
192
193/* GC funcs */
194static void VGAarbiterValidateGC(GCPtr pGC, unsigned long changes,
195                                 DrawablePtr pDraw);
196static void VGAarbiterChangeGC(GCPtr pGC, unsigned long mask);
197static void VGAarbiterCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
198static void VGAarbiterDestroyGC(GCPtr pGC);
199static void VGAarbiterChangeClip(GCPtr pGC, int type, void *pvalue,
200                                 int nrects);
201static void VGAarbiterDestroyClip(GCPtr pGC);
202static void VGAarbiterCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
203
204/* GC ops */
205static void VGAarbiterFillSpans(DrawablePtr pDraw, GC * pGC, int nInit,
206                                DDXPointPtr pptInit, int *pwidthInit,
207                                int fSorted);
208static void VGAarbiterSetSpans(DrawablePtr pDraw, GCPtr pGC, char *pcharsrc,
209                               register DDXPointPtr ppt, int *pwidth,
210                               int nspans, int fSorted);
211static void VGAarbiterPutImage(DrawablePtr pDraw, GCPtr pGC, int depth, int x,
212                               int y, int w, int h, int leftPad, int format,
213                               char *pImage);
214static RegionPtr VGAarbiterCopyArea(DrawablePtr pSrc, DrawablePtr pDst,
215                                    GC * pGC, int srcx, int srcy, int width,
216                                    int height, int dstx, int dsty);
217static RegionPtr VGAarbiterCopyPlane(DrawablePtr pSrc, DrawablePtr pDst,
218                                     GCPtr pGC, int srcx, int srcy, int width,
219                                     int height, int dstx, int dsty,
220                                     unsigned long bitPlane);
221static void VGAarbiterPolyPoint(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
222                                xPoint * pptInit);
223static void VGAarbiterPolylines(DrawablePtr pDraw, GCPtr pGC, int mode, int npt,
224                                DDXPointPtr pptInit);
225static void VGAarbiterPolySegment(DrawablePtr pDraw, GCPtr pGC, int nseg,
226                                  xSegment * pSeg);
227static void VGAarbiterPolyRectangle(DrawablePtr pDraw, GCPtr pGC,
228                                    int nRectsInit, xRectangle *pRectsInit);
229static void VGAarbiterPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
230                              xArc * parcs);
231static void VGAarbiterFillPolygon(DrawablePtr pDraw, GCPtr pGC, int shape,
232                                  int mode, int count, DDXPointPtr ptsIn);
233static void VGAarbiterPolyFillRect(DrawablePtr pDraw, GCPtr pGC, int nrectFill,
234                                   xRectangle *prectInit);
235static void VGAarbiterPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs,
236                                  xArc * parcs);
237static int VGAarbiterPolyText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
238                               int count, char *chars);
239static int VGAarbiterPolyText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
240                                int count, unsigned short *chars);
241static void VGAarbiterImageText8(DrawablePtr pDraw, GCPtr pGC, int x, int y,
242                                 int count, char *chars);
243static void VGAarbiterImageText16(DrawablePtr pDraw, GCPtr pGC, int x, int y,
244                                  int count, unsigned short *chars);
245static void VGAarbiterImageGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
246                                    int yInit, unsigned int nglyph,
247                                    CharInfoPtr * ppci, void *pglyphBase);
248static void VGAarbiterPolyGlyphBlt(DrawablePtr pDraw, GCPtr pGC, int xInit,
249                                   int yInit, unsigned int nglyph,
250                                   CharInfoPtr * ppci, void *pglyphBase);
251static void VGAarbiterPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr
252                                 pDraw, int dx, int dy, int xOrg, int yOrg);
253
254/* miSpriteFuncs */
255static Bool VGAarbiterSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr
256                                          pScreen, CursorPtr pCur);
257static Bool VGAarbiterSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr
258                                            pScreen, CursorPtr pCur);
259static void VGAarbiterSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
260                                      CursorPtr pCur, int x, int y);
261static void VGAarbiterSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
262                                       int x, int y);
263static Bool VGAarbiterDeviceCursorInitialize(DeviceIntPtr pDev,
264                                             ScreenPtr pScreen);
265static void VGAarbiterDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);
266
267static void VGAarbiterComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask,
268                                PicturePtr pDst, INT16 xSrc, INT16 ySrc,
269                                INT16 xMask, INT16 yMask, INT16 xDst,
270                                INT16 yDst, CARD16 width, CARD16 height);
271static void VGAarbiterGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
272                             PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
273                             int nlist, GlyphListPtr list, GlyphPtr * glyphs);
274static void VGAarbiterCompositeRects(CARD8 op, PicturePtr pDst,
275                                     xRenderColor * color, int nRect,
276                                     xRectangle *rects);
277