diff options
Diffstat (limited to 'xorg-server/mi/miscrinit.c')
| -rw-r--r-- | xorg-server/mi/miscrinit.c | 589 |
1 files changed, 293 insertions, 296 deletions
diff --git a/xorg-server/mi/miscrinit.c b/xorg-server/mi/miscrinit.c index f56083050..2850c8d79 100644 --- a/xorg-server/mi/miscrinit.c +++ b/xorg-server/mi/miscrinit.c @@ -1,296 +1,293 @@ -/*
-
-Copyright 1990, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include "servermd.h"
-#include "misc.h"
-#include "mi.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "dix.h"
-#include "miline.h"
-#ifdef MITSHM
-#include <X11/extensions/shm.h>
-#include "shmint.h"
-#endif
-
-/* We use this structure to propogate some information from miScreenInit to
- * miCreateScreenResources. miScreenInit allocates the structure, fills it
- * in, and puts it into pScreen->devPrivate. miCreateScreenResources
- * extracts the info and frees the structure. We could've accomplished the
- * same thing by adding fields to the screen structure, but they would have
- * ended up being redundant, and would have exposed this mi implementation
- * detail to the whole server.
- */
-
-typedef struct
-{
- pointer pbits; /* pointer to framebuffer */
- int width; /* delta to add to a framebuffer addr to move one row down */
-} miScreenInitParmsRec, *miScreenInitParmsPtr;
-
-
-/* this plugs into pScreen->ModifyPixmapHeader */
-Bool
-miModifyPixmapHeader(PixmapPtr pPixmap, int width, int height, int depth,
- int bitsPerPixel, int devKind, pointer pPixData)
-{
- if (!pPixmap)
- return FALSE;
-
- /*
- * If all arguments are specified, reinitialize everything (including
- * validated state).
- */
- if ((width > 0) && (height > 0) && (depth > 0) && (bitsPerPixel > 0) &&
- (devKind > 0) && pPixData) {
- pPixmap->drawable.depth = depth;
- pPixmap->drawable.bitsPerPixel = bitsPerPixel;
- pPixmap->drawable.id = 0;
- pPixmap->drawable.x = 0;
- pPixmap->drawable.y = 0;
- pPixmap->drawable.width = width;
- pPixmap->drawable.height = height;
- pPixmap->devKind = devKind;
- pPixmap->refcnt = 1;
- pPixmap->devPrivate.ptr = pPixData;
- } else {
- /*
- * Only modify specified fields, keeping all others intact.
- */
-
- if (width > 0)
- pPixmap->drawable.width = width;
-
- if (height > 0)
- pPixmap->drawable.height = height;
-
- if (depth > 0)
- pPixmap->drawable.depth = depth;
-
- if (bitsPerPixel > 0)
- pPixmap->drawable.bitsPerPixel = bitsPerPixel;
- else if ((bitsPerPixel < 0) && (depth > 0))
- pPixmap->drawable.bitsPerPixel = BitsPerPixel(depth);
-
- /*
- * CAVEAT: Non-SI DDXen may use devKind and devPrivate fields for
- * other purposes.
- */
- if (devKind > 0)
- pPixmap->devKind = devKind;
- else if ((devKind < 0) && ((width > 0) || (depth > 0)))
- pPixmap->devKind = PixmapBytePad(pPixmap->drawable.width,
- pPixmap->drawable.depth);
-
- if (pPixData)
- pPixmap->devPrivate.ptr = pPixData;
- }
- pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- return TRUE;
-}
-
-static Bool
-miCloseScreen (int iScreen, ScreenPtr pScreen)
-{
- return ((*pScreen->DestroyPixmap)((PixmapPtr)pScreen->devPrivate));
-}
-
-/* With the introduction of pixmap privates, the "screen pixmap" can no
- * longer be created in miScreenInit, since all the modules that could
- * possibly ask for pixmap private space have not been initialized at
- * that time. pScreen->CreateScreenResources is called after all
- * possible private-requesting modules have been inited; we create the
- * screen pixmap here.
- */
-Bool
-miCreateScreenResources(ScreenPtr pScreen)
-{
- miScreenInitParmsPtr pScrInitParms;
- pointer value;
-
- pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate;
-
- /* if width is non-zero, pScreen->devPrivate will be a pixmap
- * else it will just take the value pbits
- */
- if (pScrInitParms->width)
- {
- PixmapPtr pPixmap;
-
- /* create a pixmap with no data, then redirect it to point to
- * the screen
- */
- pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0);
- if (!pPixmap)
- return FALSE;
-
- if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,
- pScreen->height, pScreen->rootDepth,
- BitsPerPixel(pScreen->rootDepth),
- PixmapBytePad(pScrInitParms->width, pScreen->rootDepth),
- pScrInitParms->pbits))
- return FALSE;
- value = (pointer)pPixmap;
- }
- else
- {
- value = pScrInitParms->pbits;
- }
- free(pScreen->devPrivate); /* freeing miScreenInitParmsRec */
- pScreen->devPrivate = value; /* pPixmap or pbits */
- return TRUE;
-}
-
-Bool
-miScreenDevPrivateInit(ScreenPtr pScreen, int width, pointer pbits)
-{
- miScreenInitParmsPtr pScrInitParms;
-
- /* Stash pbits and width in a short-lived miScreenInitParmsRec attached
- * to the screen, until CreateScreenResources can put them in the
- * screen pixmap.
- */
- pScrInitParms = malloc(sizeof(miScreenInitParmsRec));
- if (!pScrInitParms)
- return FALSE;
- pScrInitParms->pbits = pbits;
- pScrInitParms->width = width;
- pScreen->devPrivate = (pointer)pScrInitParms;
- return TRUE;
-}
-
-static PixmapPtr
-miGetScreenPixmap(ScreenPtr pScreen)
-{
- return (PixmapPtr)(pScreen->devPrivate);
-}
-
-static void
-miSetScreenPixmap(PixmapPtr pPix)
-{
- if (pPix)
- pPix->drawable.pScreen->devPrivate = (pointer)pPix;
-}
-
-Bool
-miScreenInit(
- ScreenPtr pScreen,
- pointer pbits, /* pointer to screen bits */
- int xsize, int ysize, /* in pixels */
- int dpix, int dpiy, /* dots per inch */
- int width, /* pixel width of frame buffer */
- int rootDepth, /* depth of root window */
- int numDepths, /* number of depths supported */
- DepthRec *depths, /* supported depths */
- VisualID rootVisual, /* root visual */
- int numVisuals, /* number of visuals supported */
- VisualRec *visuals /* supported visuals */
- )
-{
- pScreen->width = xsize;
- pScreen->height = ysize;
- pScreen->mmWidth = (xsize * 254 + dpix * 5) / (dpix * 10);
- pScreen->mmHeight = (ysize * 254 + dpiy * 5) / (dpiy * 10);
- pScreen->numDepths = numDepths;
- pScreen->rootDepth = rootDepth;
- pScreen->allowedDepths = depths;
- pScreen->rootVisual = rootVisual;
- /* defColormap */
- pScreen->minInstalledCmaps = 1;
- pScreen->maxInstalledCmaps = 1;
- pScreen->backingStoreSupport = NotUseful;
- pScreen->saveUnderSupport = NotUseful;
- /* whitePixel, blackPixel */
- pScreen->ModifyPixmapHeader = miModifyPixmapHeader;
- pScreen->CreateScreenResources = miCreateScreenResources;
- pScreen->GetScreenPixmap = miGetScreenPixmap;
- pScreen->SetScreenPixmap = miSetScreenPixmap;
- pScreen->numVisuals = numVisuals;
- pScreen->visuals = visuals;
- if (width)
- {
-#ifdef MITSHM
- ShmRegisterFbFuncs(pScreen);
-#endif
- pScreen->CloseScreen = miCloseScreen;
- }
- /* else CloseScreen */
- /* QueryBestSize, SaveScreen, GetImage, GetSpans */
- pScreen->SourceValidate = (SourceValidateProcPtr) 0;
- /* CreateWindow, DestroyWindow, PositionWindow, ChangeWindowAttributes */
- /* RealizeWindow, UnrealizeWindow */
- pScreen->ValidateTree = miValidateTree;
- pScreen->PostValidateTree = (PostValidateTreeProcPtr) 0;
- pScreen->WindowExposures = miWindowExposures;
- /* CopyWindow */
- pScreen->ClearToBackground = miClearToBackground;
- pScreen->ClipNotify = (ClipNotifyProcPtr) 0;
- pScreen->RestackWindow = (RestackWindowProcPtr) 0;
- /* CreatePixmap, DestroyPixmap */
- /* RealizeFont, UnrealizeFont */
- /* CreateGC */
- /* CreateColormap, DestroyColormap, InstallColormap, UninstallColormap */
- /* ListInstalledColormaps, StoreColors, ResolveColor */
- /* BitmapToRegion */
- pScreen->SendGraphicsExpose = miSendGraphicsExpose;
- pScreen->BlockHandler = (ScreenBlockHandlerProcPtr)NoopDDA;
- pScreen->WakeupHandler = (ScreenWakeupHandlerProcPtr)NoopDDA;
- pScreen->blockData = (pointer)0;
- pScreen->wakeupData = (pointer)0;
- pScreen->MarkWindow = miMarkWindow;
- pScreen->MarkOverlappedWindows = miMarkOverlappedWindows;
- pScreen->MoveWindow = miMoveWindow;
- pScreen->ResizeWindow = miSlideAndSizeWindow;
- pScreen->GetLayerWindow = miGetLayerWindow;
- pScreen->HandleExposures = miHandleValidateExposures;
- pScreen->ReparentWindow = (ReparentWindowProcPtr) 0;
- pScreen->ChangeBorderWidth = miChangeBorderWidth;
- pScreen->SetShape = miSetShape;
- pScreen->MarkUnrealizedWindow = miMarkUnrealizedWindow;
-
- miSetZeroLineBias(pScreen, DEFAULTZEROLINEBIAS);
-
- return miScreenDevPrivateInit(pScreen, width, pbits);
-}
-
-DevPrivateKeyRec miZeroLineScreenKeyRec;
-
-void
-miSetZeroLineBias(ScreenPtr pScreen, unsigned int bias)
-{
- if (!dixRegisterPrivateKey(&miZeroLineScreenKeyRec, PRIVATE_SCREEN, 0))
- return;
-
- dixSetPrivate(&pScreen->devPrivates, miZeroLineScreenKey,
- (unsigned long *)(unsigned long)bias);
-}
+/* + +Copyright 1990, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include "servermd.h" +#include "misc.h" +#include "mi.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "dix.h" +#include "miline.h" +#ifdef MITSHM +#include <X11/extensions/shm.h> +#include "shmint.h" +#endif + +/* We use this structure to propogate some information from miScreenInit to + * miCreateScreenResources. miScreenInit allocates the structure, fills it + * in, and puts it into pScreen->devPrivate. miCreateScreenResources + * extracts the info and frees the structure. We could've accomplished the + * same thing by adding fields to the screen structure, but they would have + * ended up being redundant, and would have exposed this mi implementation + * detail to the whole server. + */ + +typedef struct { + pointer pbits; /* pointer to framebuffer */ + int width; /* delta to add to a framebuffer addr to move one row down */ +} miScreenInitParmsRec, *miScreenInitParmsPtr; + +/* this plugs into pScreen->ModifyPixmapHeader */ +Bool +miModifyPixmapHeader(PixmapPtr pPixmap, int width, int height, int depth, + int bitsPerPixel, int devKind, pointer pPixData) +{ + if (!pPixmap) + return FALSE; + + /* + * If all arguments are specified, reinitialize everything (including + * validated state). + */ + if ((width > 0) && (height > 0) && (depth > 0) && (bitsPerPixel > 0) && + (devKind > 0) && pPixData) { + pPixmap->drawable.depth = depth; + pPixmap->drawable.bitsPerPixel = bitsPerPixel; + pPixmap->drawable.id = 0; + pPixmap->drawable.x = 0; + pPixmap->drawable.y = 0; + pPixmap->drawable.width = width; + pPixmap->drawable.height = height; + pPixmap->devKind = devKind; + pPixmap->refcnt = 1; + pPixmap->devPrivate.ptr = pPixData; + } + else { + /* + * Only modify specified fields, keeping all others intact. + */ + + if (width > 0) + pPixmap->drawable.width = width; + + if (height > 0) + pPixmap->drawable.height = height; + + if (depth > 0) + pPixmap->drawable.depth = depth; + + if (bitsPerPixel > 0) + pPixmap->drawable.bitsPerPixel = bitsPerPixel; + else if ((bitsPerPixel < 0) && (depth > 0)) + pPixmap->drawable.bitsPerPixel = BitsPerPixel(depth); + + /* + * CAVEAT: Non-SI DDXen may use devKind and devPrivate fields for + * other purposes. + */ + if (devKind > 0) + pPixmap->devKind = devKind; + else if ((devKind < 0) && ((width > 0) || (depth > 0))) + pPixmap->devKind = PixmapBytePad(pPixmap->drawable.width, + pPixmap->drawable.depth); + + if (pPixData) + pPixmap->devPrivate.ptr = pPixData; + } + pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + return TRUE; +} + +static Bool +miCloseScreen(int iScreen, ScreenPtr pScreen) +{ + return ((*pScreen->DestroyPixmap) ((PixmapPtr) pScreen->devPrivate)); +} + +/* With the introduction of pixmap privates, the "screen pixmap" can no + * longer be created in miScreenInit, since all the modules that could + * possibly ask for pixmap private space have not been initialized at + * that time. pScreen->CreateScreenResources is called after all + * possible private-requesting modules have been inited; we create the + * screen pixmap here. + */ +Bool +miCreateScreenResources(ScreenPtr pScreen) +{ + miScreenInitParmsPtr pScrInitParms; + pointer value; + + pScrInitParms = (miScreenInitParmsPtr) pScreen->devPrivate; + + /* if width is non-zero, pScreen->devPrivate will be a pixmap + * else it will just take the value pbits + */ + if (pScrInitParms->width) { + PixmapPtr pPixmap; + + /* create a pixmap with no data, then redirect it to point to + * the screen + */ + pPixmap = + (*pScreen->CreatePixmap) (pScreen, 0, 0, pScreen->rootDepth, 0); + if (!pPixmap) + return FALSE; + + if (!(*pScreen->ModifyPixmapHeader) (pPixmap, pScreen->width, + pScreen->height, + pScreen->rootDepth, + BitsPerPixel(pScreen->rootDepth), + PixmapBytePad(pScrInitParms->width, + pScreen->rootDepth), + pScrInitParms->pbits)) + return FALSE; + value = (pointer) pPixmap; + } + else { + value = pScrInitParms->pbits; + } + free(pScreen->devPrivate); /* freeing miScreenInitParmsRec */ + pScreen->devPrivate = value; /* pPixmap or pbits */ + return TRUE; +} + +Bool +miScreenDevPrivateInit(ScreenPtr pScreen, int width, pointer pbits) +{ + miScreenInitParmsPtr pScrInitParms; + + /* Stash pbits and width in a short-lived miScreenInitParmsRec attached + * to the screen, until CreateScreenResources can put them in the + * screen pixmap. + */ + pScrInitParms = malloc(sizeof(miScreenInitParmsRec)); + if (!pScrInitParms) + return FALSE; + pScrInitParms->pbits = pbits; + pScrInitParms->width = width; + pScreen->devPrivate = (pointer) pScrInitParms; + return TRUE; +} + +static PixmapPtr +miGetScreenPixmap(ScreenPtr pScreen) +{ + return (PixmapPtr) (pScreen->devPrivate); +} + +static void +miSetScreenPixmap(PixmapPtr pPix) +{ + if (pPix) + pPix->drawable.pScreen->devPrivate = (pointer) pPix; +} + +Bool +miScreenInit(ScreenPtr pScreen, pointer pbits, /* pointer to screen bits */ + int xsize, int ysize, /* in pixels */ + int dpix, int dpiy, /* dots per inch */ + int width, /* pixel width of frame buffer */ + int rootDepth, /* depth of root window */ + int numDepths, /* number of depths supported */ + DepthRec * depths, /* supported depths */ + VisualID rootVisual, /* root visual */ + int numVisuals, /* number of visuals supported */ + VisualRec * visuals /* supported visuals */ + ) +{ + pScreen->width = xsize; + pScreen->height = ysize; + pScreen->mmWidth = (xsize * 254 + dpix * 5) / (dpix * 10); + pScreen->mmHeight = (ysize * 254 + dpiy * 5) / (dpiy * 10); + pScreen->numDepths = numDepths; + pScreen->rootDepth = rootDepth; + pScreen->allowedDepths = depths; + pScreen->rootVisual = rootVisual; + /* defColormap */ + pScreen->minInstalledCmaps = 1; + pScreen->maxInstalledCmaps = 1; + pScreen->backingStoreSupport = NotUseful; + pScreen->saveUnderSupport = NotUseful; + /* whitePixel, blackPixel */ + pScreen->ModifyPixmapHeader = miModifyPixmapHeader; + pScreen->CreateScreenResources = miCreateScreenResources; + pScreen->GetScreenPixmap = miGetScreenPixmap; + pScreen->SetScreenPixmap = miSetScreenPixmap; + pScreen->numVisuals = numVisuals; + pScreen->visuals = visuals; + if (width) { +#ifdef MITSHM + ShmRegisterFbFuncs(pScreen); +#endif + pScreen->CloseScreen = miCloseScreen; + } + /* else CloseScreen */ + /* QueryBestSize, SaveScreen, GetImage, GetSpans */ + pScreen->SourceValidate = (SourceValidateProcPtr) 0; + /* CreateWindow, DestroyWindow, PositionWindow, ChangeWindowAttributes */ + /* RealizeWindow, UnrealizeWindow */ + pScreen->ValidateTree = miValidateTree; + pScreen->PostValidateTree = (PostValidateTreeProcPtr) 0; + pScreen->WindowExposures = miWindowExposures; + /* CopyWindow */ + pScreen->ClearToBackground = miClearToBackground; + pScreen->ClipNotify = (ClipNotifyProcPtr) 0; + pScreen->RestackWindow = (RestackWindowProcPtr) 0; + /* CreatePixmap, DestroyPixmap */ + /* RealizeFont, UnrealizeFont */ + /* CreateGC */ + /* CreateColormap, DestroyColormap, InstallColormap, UninstallColormap */ + /* ListInstalledColormaps, StoreColors, ResolveColor */ + /* BitmapToRegion */ + pScreen->SendGraphicsExpose = miSendGraphicsExpose; + pScreen->BlockHandler = (ScreenBlockHandlerProcPtr) NoopDDA; + pScreen->WakeupHandler = (ScreenWakeupHandlerProcPtr) NoopDDA; + pScreen->blockData = (pointer) 0; + pScreen->wakeupData = (pointer) 0; + pScreen->MarkWindow = miMarkWindow; + pScreen->MarkOverlappedWindows = miMarkOverlappedWindows; + pScreen->MoveWindow = miMoveWindow; + pScreen->ResizeWindow = miSlideAndSizeWindow; + pScreen->GetLayerWindow = miGetLayerWindow; + pScreen->HandleExposures = miHandleValidateExposures; + pScreen->ReparentWindow = (ReparentWindowProcPtr) 0; + pScreen->ChangeBorderWidth = miChangeBorderWidth; + pScreen->SetShape = miSetShape; + pScreen->MarkUnrealizedWindow = miMarkUnrealizedWindow; + + miSetZeroLineBias(pScreen, DEFAULTZEROLINEBIAS); + + return miScreenDevPrivateInit(pScreen, width, pbits); +} + +DevPrivateKeyRec miZeroLineScreenKeyRec; + +void +miSetZeroLineBias(ScreenPtr pScreen, unsigned int bias) +{ + if (!dixRegisterPrivateKey(&miZeroLineScreenKeyRec, PRIVATE_SCREEN, 0)) + return; + + dixSetPrivate(&pScreen->devPrivates, miZeroLineScreenKey, + (unsigned long *) (unsigned long) bias); +} |