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