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Diffstat (limited to 'xorg-server/hw/xfree86/shadowfb')
-rw-r--r--xorg-server/hw/xfree86/shadowfb/sfbmodule.c23
-rw-r--r--xorg-server/hw/xfree86/shadowfb/shadow.c3322
-rw-r--r--xorg-server/hw/xfree86/shadowfb/shadowfb.h18
3 files changed, 1659 insertions, 1704 deletions
diff --git a/xorg-server/hw/xfree86/shadowfb/sfbmodule.c b/xorg-server/hw/xfree86/shadowfb/sfbmodule.c
index ec37a1f8f..c20efc071 100644
--- a/xorg-server/hw/xfree86/shadowfb/sfbmodule.c
+++ b/xorg-server/hw/xfree86/shadowfb/sfbmodule.c
@@ -4,18 +4,17 @@
#include "xf86Module.h"
-static XF86ModuleVersionInfo VersRec =
-{
- "shadowfb",
- MODULEVENDORSTRING,
- MODINFOSTRING1,
- MODINFOSTRING2,
- XORG_VERSION_CURRENT,
- 1, 0, 0,
- ABI_CLASS_ANSIC, /* Only need the ansic layer */
- ABI_ANSIC_VERSION,
- MOD_CLASS_NONE,
- {0,0,0,0} /* signature, to be patched into the file by a tool */
+static XF86ModuleVersionInfo VersRec = {
+ "shadowfb",
+ MODULEVENDORSTRING,
+ MODINFOSTRING1,
+ MODINFOSTRING2,
+ XORG_VERSION_CURRENT,
+ 1, 0, 0,
+ ABI_CLASS_ANSIC, /* Only need the ansic layer */
+ ABI_ANSIC_VERSION,
+ MOD_CLASS_NONE,
+ {0, 0, 0, 0} /* signature, to be patched into the file by a tool */
};
_X_EXPORT XF86ModuleData shadowfbModuleData = { &VersRec, NULL, NULL };
diff --git a/xorg-server/hw/xfree86/shadowfb/shadow.c b/xorg-server/hw/xfree86/shadowfb/shadow.c
index 26b92b5d6..714dd141a 100644
--- a/xorg-server/hw/xfree86/shadowfb/shadow.c
+++ b/xorg-server/hw/xfree86/shadowfb/shadow.c
@@ -1,1681 +1,1641 @@
-/*
- Copyright (C) 1999. The XFree86 Project Inc.
-
- Written by Mark Vojkovich (mvojkovi@ucsd.edu)
-
- Pre-fb-write callbacks and RENDER support - Nolan Leake (nolan@vmware.com)
-*/
-
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "pixmapstr.h"
-#include "input.h"
-#include <X11/fonts/font.h>
-#include "mi.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "gcstruct.h"
-#include "dixfontstr.h"
-#include <X11/fonts/fontstruct.h>
-#include "xf86.h"
-#include "xf86str.h"
-#include "shadowfb.h"
-
-# include "picturestr.h"
-
-static Bool ShadowCloseScreen (int i, ScreenPtr pScreen);
-static void ShadowCopyWindow(
- WindowPtr pWin,
- DDXPointRec ptOldOrg,
- RegionPtr prgn
-);
-static Bool ShadowCreateGC(GCPtr pGC);
-
-static Bool ShadowEnterVT(int index, int flags);
-static void ShadowLeaveVT(int index, int flags);
-
-static void ShadowComposite(
- CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height
-);
-
-
-typedef struct {
- ScrnInfoPtr pScrn;
- RefreshAreaFuncPtr preRefresh;
- RefreshAreaFuncPtr postRefresh;
- CloseScreenProcPtr CloseScreen;
- CopyWindowProcPtr CopyWindow;
- CreateGCProcPtr CreateGC;
- ModifyPixmapHeaderProcPtr ModifyPixmapHeader;
- CompositeProcPtr Composite;
- Bool (*EnterVT)(int, int);
- void (*LeaveVT)(int, int);
- Bool vtSema;
-} ShadowScreenRec, *ShadowScreenPtr;
-
-typedef struct {
- GCOps *ops;
- GCFuncs *funcs;
-} ShadowGCRec, *ShadowGCPtr;
-
-static DevPrivateKeyRec ShadowScreenKeyRec;
-#define ShadowScreenKey (&ShadowScreenKeyRec)
-
-static DevPrivateKeyRec ShadowGCKeyRec;
-#define ShadowGCKey (&ShadowGCKeyRec)
-
-#define GET_SCREEN_PRIVATE(pScreen) \
- (ShadowScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, ShadowScreenKey)
-#define GET_GC_PRIVATE(pGC) \
- (ShadowGCPtr)dixLookupPrivate(&(pGC)->devPrivates, ShadowGCKey)
-
-#define SHADOW_GC_FUNC_PROLOGUE(pGC)\
- ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\
- (pGC)->funcs = pGCPriv->funcs;\
- if(pGCPriv->ops)\
- (pGC)->ops = pGCPriv->ops
-
-#define SHADOW_GC_FUNC_EPILOGUE(pGC)\
- pGCPriv->funcs = (pGC)->funcs;\
- (pGC)->funcs = &ShadowGCFuncs;\
- if(pGCPriv->ops) {\
- pGCPriv->ops = (pGC)->ops;\
- (pGC)->ops = &ShadowGCOps;\
- }
-
-#define SHADOW_GC_OP_PROLOGUE(pGC)\
- ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pGC->pScreen); \
- ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\
- GCFuncs *oldFuncs = pGC->funcs;\
- pGC->funcs = pGCPriv->funcs;\
- pGC->ops = pGCPriv->ops
-
-
-#define SHADOW_GC_OP_EPILOGUE(pGC)\
- pGCPriv->ops = pGC->ops;\
- pGC->funcs = oldFuncs;\
- pGC->ops = &ShadowGCOps
-
-#define IS_VISIBLE(pWin) (pPriv->vtSema && \
- (((WindowPtr)pWin)->visibility != VisibilityFullyObscured))
-
-#define TRIM_BOX(box, pGC) { \
- BoxPtr extents = &pGC->pCompositeClip->extents;\
- if(box.x1 < extents->x1) box.x1 = extents->x1; \
- if(box.x2 > extents->x2) box.x2 = extents->x2; \
- if(box.y1 < extents->y1) box.y1 = extents->y1; \
- if(box.y2 > extents->y2) box.y2 = extents->y2; \
- }
-
-#define TRANSLATE_BOX(box, pDraw) { \
- box.x1 += pDraw->x; \
- box.x2 += pDraw->x; \
- box.y1 += pDraw->y; \
- box.y2 += pDraw->y; \
- }
-
-#define TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC) { \
- TRANSLATE_BOX(box, pDraw); \
- TRIM_BOX(box, pGC); \
- }
-
-#define BOX_NOT_EMPTY(box) \
- (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0))
-
-
-
-Bool
-ShadowFBInit2 (
- ScreenPtr pScreen,
- RefreshAreaFuncPtr preRefreshArea,
- RefreshAreaFuncPtr postRefreshArea
-){
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- ShadowScreenPtr pPriv;
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
-
- if(!preRefreshArea && !postRefreshArea) return FALSE;
-
- if (!dixRegisterPrivateKey(&ShadowScreenKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- if(!dixRegisterPrivateKey(&ShadowGCKeyRec, PRIVATE_GC, sizeof(ShadowGCRec)))
- return FALSE;
-
- if(!(pPriv = (ShadowScreenPtr)malloc(sizeof(ShadowScreenRec))))
- return FALSE;
-
- dixSetPrivate(&pScreen->devPrivates, ShadowScreenKey, pPriv);
-
- pPriv->pScrn = pScrn;
- pPriv->preRefresh = preRefreshArea;
- pPriv->postRefresh = postRefreshArea;
- pPriv->vtSema = TRUE;
-
- pPriv->CloseScreen = pScreen->CloseScreen;
- pPriv->CopyWindow = pScreen->CopyWindow;
- pPriv->CreateGC = pScreen->CreateGC;
- pPriv->ModifyPixmapHeader = pScreen->ModifyPixmapHeader;
-
- pPriv->EnterVT = pScrn->EnterVT;
- pPriv->LeaveVT = pScrn->LeaveVT;
-
- pScreen->CloseScreen = ShadowCloseScreen;
- pScreen->CopyWindow = ShadowCopyWindow;
- pScreen->CreateGC = ShadowCreateGC;
-
- pScrn->EnterVT = ShadowEnterVT;
- pScrn->LeaveVT = ShadowLeaveVT;
-
- if(ps) {
- pPriv->Composite = ps->Composite;
- ps->Composite = ShadowComposite;
- }
-
- return TRUE;
-}
-
-Bool
-ShadowFBInit (
- ScreenPtr pScreen,
- RefreshAreaFuncPtr refreshArea
-){
- return ShadowFBInit2(pScreen, NULL, refreshArea);
-}
-
-/**********************************************************/
-
-static Bool
-ShadowEnterVT(int index, int flags)
-{
- ScrnInfoPtr pScrn = xf86Screens[index];
- Bool ret;
- ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScrn->pScreen);
-
- pScrn->EnterVT = pPriv->EnterVT;
- ret = (*pPriv->EnterVT)(index, flags);
- pPriv->EnterVT = pScrn->EnterVT;
- pScrn->EnterVT = ShadowEnterVT;
- if(ret) {
- pPriv->vtSema = TRUE;
- return TRUE;
- }
-
- return FALSE;
-}
-
-static void
-ShadowLeaveVT(int index, int flags)
-{
- ScrnInfoPtr pScrn = xf86Screens[index];
- ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(xf86Screens[index]->pScreen);
-
- pPriv->vtSema = FALSE;
-
- pScrn->LeaveVT = pPriv->LeaveVT;
- (*pPriv->LeaveVT)(index, flags);
- pPriv->LeaveVT = pScrn->LeaveVT;
- pScrn->LeaveVT = ShadowLeaveVT;
-}
-
-/**********************************************************/
-
-
-static Bool
-ShadowCloseScreen (int i, ScreenPtr pScreen)
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
- PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
-
- pScreen->CloseScreen = pPriv->CloseScreen;
- pScreen->CopyWindow = pPriv->CopyWindow;
- pScreen->CreateGC = pPriv->CreateGC;
- pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader;
-
- pScrn->EnterVT = pPriv->EnterVT;
- pScrn->LeaveVT = pPriv->LeaveVT;
-
- if(ps) {
- ps->Composite = pPriv->Composite;
- }
-
- free((pointer)pPriv);
-
- return (*pScreen->CloseScreen) (i, pScreen);
-}
-
-static void
-ShadowCopyWindow(
- WindowPtr pWin,
- DDXPointRec ptOldOrg,
- RegionPtr prgn
-){
- ScreenPtr pScreen = pWin->drawable.pScreen;
- ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
- int num = 0;
- RegionRec rgnDst;
-
- if (pPriv->vtSema) {
- RegionNull(&rgnDst);
- RegionCopy(&rgnDst, prgn);
-
- RegionTranslate(&rgnDst,
- pWin->drawable.x - ptOldOrg.x,
- pWin->drawable.y - ptOldOrg.y);
- RegionIntersect(&rgnDst, &pWin->borderClip, &rgnDst);
- if ((num = RegionNumRects(&rgnDst))) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, num, RegionRects(&rgnDst));
- } else {
- RegionUninit(&rgnDst);
- }
- }
-
- pScreen->CopyWindow = pPriv->CopyWindow;
- (*pScreen->CopyWindow) (pWin, ptOldOrg, prgn);
- pScreen->CopyWindow = ShadowCopyWindow;
-
- if (num) {
- if (pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, num, RegionRects(&rgnDst));
- RegionUninit(&rgnDst);
- }
-}
-
-static void
-ShadowComposite(
- CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height
-){
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- BoxRec box;
- BoxPtr extents;
- Bool boxNotEmpty = FALSE;
-
- if (pPriv->vtSema
- && pDst->pDrawable->type == DRAWABLE_WINDOW) {
-
- box.x1 = pDst->pDrawable->x + xDst;
- box.y1 = pDst->pDrawable->y + yDst;
- box.x2 = box.x1 + width;
- box.y2 = box.y1 + height;
-
- extents = &pDst->pCompositeClip->extents;
- if(box.x1 < extents->x1) box.x1 = extents->x1;
- if(box.x2 > extents->x2) box.x2 = extents->x2;
- if(box.y1 < extents->y1) box.y1 = extents->y1;
- if(box.y2 > extents->y2) box.y2 = extents->y2;
-
- if (BOX_NOT_EMPTY(box)) {
- if (pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- ps->Composite = pPriv->Composite;
- (*ps->Composite)(op, pSrc, pMask, pDst, xSrc, ySrc,
- xMask, yMask, xDst, yDst, width, height);
- ps->Composite = ShadowComposite;
-
- if (pPriv->postRefresh && boxNotEmpty) {
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
- }
-}
-
-/**********************************************************/
-
-static void ShadowValidateGC(GCPtr, unsigned long, DrawablePtr);
-static void ShadowChangeGC(GCPtr, unsigned long);
-static void ShadowCopyGC(GCPtr, unsigned long, GCPtr);
-static void ShadowDestroyGC(GCPtr);
-static void ShadowChangeClip(GCPtr, int, pointer, int);
-static void ShadowDestroyClip(GCPtr);
-static void ShadowCopyClip(GCPtr, GCPtr);
-
-GCFuncs ShadowGCFuncs = {
- ShadowValidateGC, ShadowChangeGC, ShadowCopyGC, ShadowDestroyGC,
- ShadowChangeClip, ShadowDestroyClip, ShadowCopyClip
-};
-
-
-extern GCOps ShadowGCOps;
-
-static Bool
-ShadowCreateGC(GCPtr pGC)
-{
- ScreenPtr pScreen = pGC->pScreen;
- ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
- ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);
- Bool ret;
-
- pScreen->CreateGC = pPriv->CreateGC;
- if((ret = (*pScreen->CreateGC) (pGC))) {
- pGCPriv->ops = NULL;
- pGCPriv->funcs = pGC->funcs;
- pGC->funcs = &ShadowGCFuncs;
- }
- pScreen->CreateGC = ShadowCreateGC;
-
- return ret;
-}
-
-
-static void
-ShadowValidateGC(
- GCPtr pGC,
- unsigned long changes,
- DrawablePtr pDraw
-){
- SHADOW_GC_FUNC_PROLOGUE (pGC);
- (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);
- if(pDraw->type == DRAWABLE_WINDOW)
- pGCPriv->ops = pGC->ops; /* just so it's not NULL */
- else
- pGCPriv->ops = NULL;
- SHADOW_GC_FUNC_EPILOGUE (pGC);
-}
-
-
-static void
-ShadowDestroyGC(GCPtr pGC)
-{
- SHADOW_GC_FUNC_PROLOGUE (pGC);
- (*pGC->funcs->DestroyGC)(pGC);
- SHADOW_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-ShadowChangeGC (
- GCPtr pGC,
- unsigned long mask
-){
- SHADOW_GC_FUNC_PROLOGUE (pGC);
- (*pGC->funcs->ChangeGC) (pGC, mask);
- SHADOW_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-ShadowCopyGC (
- GCPtr pGCSrc,
- unsigned long mask,
- GCPtr pGCDst
-){
- SHADOW_GC_FUNC_PROLOGUE (pGCDst);
- (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
- SHADOW_GC_FUNC_EPILOGUE (pGCDst);
-}
-
-static void
-ShadowChangeClip (
- GCPtr pGC,
- int type,
- pointer pvalue,
- int nrects
-){
- SHADOW_GC_FUNC_PROLOGUE (pGC);
- (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
- SHADOW_GC_FUNC_EPILOGUE (pGC);
-}
-
-static void
-ShadowCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
-{
- SHADOW_GC_FUNC_PROLOGUE (pgcDst);
- (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
- SHADOW_GC_FUNC_EPILOGUE (pgcDst);
-}
-
-static void
-ShadowDestroyClip(GCPtr pGC)
-{
- SHADOW_GC_FUNC_PROLOGUE (pGC);
- (* pGC->funcs->DestroyClip)(pGC);
- SHADOW_GC_FUNC_EPILOGUE (pGC);
-}
-
-
-
-
-/**********************************************************/
-
-
-static void
-ShadowFillSpans(
- DrawablePtr pDraw,
- GC *pGC,
- int nInit,
- DDXPointPtr pptInit,
- int *pwidthInit,
- int fSorted
-){
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nInit) {
- DDXPointPtr ppt = pptInit;
- int *pwidth = pwidthInit;
- int i = nInit;
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- box.x1 = ppt->x;
- box.x2 = box.x1 + *pwidth;
- box.y2 = box.y1 = ppt->y;
-
- while(--i) {
- ppt++;
- pwidth++;
- if(box.x1 > ppt->x) box.x1 = ppt->x;
- if(box.x2 < (ppt->x + *pwidth))
- box.x2 = ppt->x + *pwidth;
- if(box.y1 > ppt->y) box.y1 = ppt->y;
- else if(box.y2 < ppt->y) box.y2 = ppt->y;
- }
-
- box.y2++;
-
- if(!pGC->miTranslate) {
- TRANSLATE_BOX(box, pDraw);
- }
- TRIM_BOX(box, pGC);
-
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
-
- (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
- } else
- (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowSetSpans(
- DrawablePtr pDraw,
- GCPtr pGC,
- char *pcharsrc,
- DDXPointPtr pptInit,
- int *pwidthInit,
- int nspans,
- int fSorted
-){
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nspans) {
- DDXPointPtr ppt = pptInit;
- int *pwidth = pwidthInit;
- int i = nspans;
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- box.x1 = ppt->x;
- box.x2 = box.x1 + *pwidth;
- box.y2 = box.y1 = ppt->y;
-
- while(--i) {
- ppt++;
- pwidth++;
- if(box.x1 > ppt->x) box.x1 = ppt->x;
- if(box.x2 < (ppt->x + *pwidth))
- box.x2 = ppt->x + *pwidth;
- if(box.y1 > ppt->y) box.y1 = ppt->y;
- else if(box.y2 < ppt->y) box.y2 = ppt->y;
- }
-
- box.y2++;
-
- if(!pGC->miTranslate) {
- TRANSLATE_BOX(box, pDraw);
- }
- TRIM_BOX(box, pGC);
-
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
-
- (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit,
- pwidthInit, nspans, fSorted);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
- } else
- (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit,
- pwidthInit, nspans, fSorted);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowPutImage(
- DrawablePtr pDraw,
- GCPtr pGC,
- int depth,
- int x, int y, int w, int h,
- int leftPad,
- int format,
- char *pImage
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw)) {
- box.x1 = x + pDraw->x;
- box.x2 = box.x1 + w;
- box.y1 = y + pDraw->y;
- box.y2 = box.y1 + h;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h,
- leftPad, format, pImage);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-
-}
-
-static RegionPtr
-ShadowCopyArea(
- DrawablePtr pSrc,
- DrawablePtr pDst,
- GC *pGC,
- int srcx, int srcy,
- int width, int height,
- int dstx, int dsty
-){
- RegionPtr ret;
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDst)) {
- box.x1 = dstx + pDst->x;
- box.x2 = box.x1 + width;
- box.y1 = dsty + pDst->y;
- box.y2 = box.y1 + height;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- ret = (*pGC->ops->CopyArea)(pSrc, pDst,
- pGC, srcx, srcy, width, height, dstx, dsty);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-
- return ret;
-}
-
-static RegionPtr
-ShadowCopyPlane(
- DrawablePtr pSrc,
- DrawablePtr pDst,
- GCPtr pGC,
- int srcx, int srcy,
- int width, int height,
- int dstx, int dsty,
- unsigned long bitPlane
-){
- RegionPtr ret;
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDst)) {
- box.x1 = dstx + pDst->x;
- box.x2 = box.x1 + width;
- box.y1 = dsty + pDst->y;
- box.y2 = box.y1 + height;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- ret = (*pGC->ops->CopyPlane)(pSrc, pDst,
- pGC, srcx, srcy, width, height, dstx, dsty, bitPlane);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-
- return ret;
-}
-
-static void
-ShadowPolyPoint(
- DrawablePtr pDraw,
- GCPtr pGC,
- int mode,
- int nptInit,
- xPoint *pptInit
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nptInit) {
- xPoint *ppt = pptInit;
- int npt = nptInit;
-
- box.x2 = box.x1 = pptInit->x;
- box.y2 = box.y1 = pptInit->y;
-
- /* this could be slow if the points were spread out */
-
- while(--npt) {
- ppt++;
- if(box.x1 > ppt->x) box.x1 = ppt->x;
- else if(box.x2 < ppt->x) box.x2 = ppt->x;
- if(box.y1 > ppt->y) box.y1 = ppt->y;
- else if(box.y2 < ppt->y) box.y2 = ppt->y;
- }
-
- box.x2++;
- box.y2++;
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->PolyPoint)(pDraw, pGC, mode, nptInit, pptInit);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowPolylines(
- DrawablePtr pDraw,
- GCPtr pGC,
- int mode,
- int nptInit,
- DDXPointPtr pptInit
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nptInit) {
- DDXPointPtr ppt = pptInit;
- int npt = nptInit;
- int extra = pGC->lineWidth >> 1;
-
- box.x2 = box.x1 = pptInit->x;
- box.y2 = box.y1 = pptInit->y;
-
- if(npt > 1) {
- if(pGC->joinStyle == JoinMiter)
- extra = 6 * pGC->lineWidth;
- else if(pGC->capStyle == CapProjecting)
- extra = pGC->lineWidth;
- }
-
- if(mode == CoordModePrevious) {
- int x = box.x1;
- int y = box.y1;
- while(--npt) {
- ppt++;
- x += ppt->x;
- y += ppt->y;
- if(box.x1 > x) box.x1 = x;
- else if(box.x2 < x) box.x2 = x;
- if(box.y1 > y) box.y1 = y;
- else if(box.y2 < y) box.y2 = y;
- }
- } else {
- while(--npt) {
- ppt++;
- if(box.x1 > ppt->x) box.x1 = ppt->x;
- else if(box.x2 < ppt->x) box.x2 = ppt->x;
- if(box.y1 > ppt->y) box.y1 = ppt->y;
- else if(box.y2 < ppt->y) box.y2 = ppt->y;
- }
- }
-
- box.x2++;
- box.y2++;
-
- if(extra) {
- box.x1 -= extra;
- box.x2 += extra;
- box.y1 -= extra;
- box.y2 += extra;
- }
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->Polylines)(pDraw, pGC, mode, nptInit, pptInit);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowPolySegment(
- DrawablePtr pDraw,
- GCPtr pGC,
- int nsegInit,
- xSegment *pSegInit
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nsegInit) {
- int extra = pGC->lineWidth;
- xSegment *pSeg = pSegInit;
- int nseg = nsegInit;
-
- if(pGC->capStyle != CapProjecting)
- extra >>= 1;
-
- if(pSeg->x2 > pSeg->x1) {
- box.x1 = pSeg->x1;
- box.x2 = pSeg->x2;
- } else {
- box.x2 = pSeg->x1;
- box.x1 = pSeg->x2;
- }
-
- if(pSeg->y2 > pSeg->y1) {
- box.y1 = pSeg->y1;
- box.y2 = pSeg->y2;
- } else {
- box.y2 = pSeg->y1;
- box.y1 = pSeg->y2;
- }
-
- while(--nseg) {
- pSeg++;
- if(pSeg->x2 > pSeg->x1) {
- if(pSeg->x1 < box.x1) box.x1 = pSeg->x1;
- if(pSeg->x2 > box.x2) box.x2 = pSeg->x2;
- } else {
- if(pSeg->x2 < box.x1) box.x1 = pSeg->x2;
- if(pSeg->x1 > box.x2) box.x2 = pSeg->x1;
- }
- if(pSeg->y2 > pSeg->y1) {
- if(pSeg->y1 < box.y1) box.y1 = pSeg->y1;
- if(pSeg->y2 > box.y2) box.y2 = pSeg->y2;
- } else {
- if(pSeg->y2 < box.y1) box.y1 = pSeg->y2;
- if(pSeg->y1 > box.y2) box.y2 = pSeg->y1;
- }
- }
-
- box.x2++;
- box.y2++;
-
- if(extra) {
- box.x1 -= extra;
- box.x2 += extra;
- box.y1 -= extra;
- box.y2 += extra;
- }
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->PolySegment)(pDraw, pGC, nsegInit, pSegInit);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowPolyRectangle(
- DrawablePtr pDraw,
- GCPtr pGC,
- int nRectsInit,
- xRectangle *pRectsInit
-){
- BoxRec box;
- BoxPtr pBoxInit = NULL;
- Bool boxNotEmpty = FALSE;
- int num = 0;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nRectsInit) {
- xRectangle *pRects = pRectsInit;
- int nRects = nRectsInit;
-
- if(nRects >= 32) {
- int extra = pGC->lineWidth >> 1;
-
- box.x1 = pRects->x;
- box.x2 = box.x1 + pRects->width;
- box.y1 = pRects->y;
- box.y2 = box.y1 + pRects->height;
-
- while(--nRects) {
- pRects++;
- if(box.x1 > pRects->x) box.x1 = pRects->x;
- if(box.x2 < (pRects->x + pRects->width))
- box.x2 = pRects->x + pRects->width;
- if(box.y1 > pRects->y) box.y1 = pRects->y;
- if(box.y2 < (pRects->y + pRects->height))
- box.y2 = pRects->y + pRects->height;
- }
-
- if(extra) {
- box.x1 -= extra;
- box.x2 += extra;
- box.y1 -= extra;
- box.y2 += extra;
- }
-
- box.x2++;
- box.y2++;
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- } else {
- BoxPtr pbox;
- int offset1, offset2, offset3;
-
- offset2 = pGC->lineWidth;
- if(!offset2) offset2 = 1;
- offset1 = offset2 >> 1;
- offset3 = offset2 - offset1;
-
- pBoxInit = (BoxPtr)malloc(nRects * 4 * sizeof(BoxRec));
- pbox = pBoxInit;
-
- while(nRects--) {
- pbox->x1 = pRects->x - offset1;
- pbox->y1 = pRects->y - offset1;
- pbox->x2 = pbox->x1 + pRects->width + offset2;
- pbox->y2 = pbox->y1 + offset2;
- TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
- if(BOX_NOT_EMPTY((*pbox))) {
- num++;
- pbox++;
- }
-
- pbox->x1 = pRects->x - offset1;
- pbox->y1 = pRects->y + offset3;
- pbox->x2 = pbox->x1 + offset2;
- pbox->y2 = pbox->y1 + pRects->height - offset2;
- TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
- if(BOX_NOT_EMPTY((*pbox))) {
- num++;
- pbox++;
- }
-
- pbox->x1 = pRects->x + pRects->width - offset1;
- pbox->y1 = pRects->y + offset3;
- pbox->x2 = pbox->x1 + offset2;
- pbox->y2 = pbox->y1 + pRects->height - offset2;
- TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
- if(BOX_NOT_EMPTY((*pbox))) {
- num++;
- pbox++;
- }
-
- pbox->x1 = pRects->x - offset1;
- pbox->y1 = pRects->y + pRects->height - offset1;
- pbox->x2 = pbox->x1 + pRects->width + offset2;
- pbox->y2 = pbox->y1 + offset2;
- TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
- if(BOX_NOT_EMPTY((*pbox))) {
- num++;
- pbox++;
- }
-
- pRects++;
- }
-
- if(num) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, num, pBoxInit);
- } else {
- free(pBoxInit);
- }
- }
- }
-
- (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit);
-
- if(boxNotEmpty && pPriv->postRefresh) {
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
- } else if(num) {
- if(pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, num, pBoxInit);
- free(pBoxInit);
- }
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-
-}
-
-static void
-ShadowPolyArc(
- DrawablePtr pDraw,
- GCPtr pGC,
- int narcsInit,
- xArc *parcsInit
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && narcsInit) {
- int narcs = narcsInit;
- xArc *parcs = parcsInit;
- int extra = pGC->lineWidth >> 1;
-
- box.x1 = parcs->x;
- box.x2 = box.x1 + parcs->width;
- box.y1 = parcs->y;
- box.y2 = box.y1 + parcs->height;
-
- /* should I break these up instead ? */
-
- while(--narcs) {
- parcs++;
- if(box.x1 > parcs->x) box.x1 = parcs->x;
- if(box.x2 < (parcs->x + parcs->width))
- box.x2 = parcs->x + parcs->width;
- if(box.y1 > parcs->y) box.y1 = parcs->y;
- if(box.y2 < (parcs->y + parcs->height))
- box.y2 = parcs->y + parcs->height;
- }
-
- if(extra) {
- box.x1 -= extra;
- box.x2 += extra;
- box.y1 -= extra;
- box.y2 += extra;
- }
-
- box.x2++;
- box.y2++;
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->PolyArc)(pDraw, pGC, narcsInit, parcsInit);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-
-}
-
-static void
-ShadowFillPolygon(
- DrawablePtr pDraw,
- GCPtr pGC,
- int shape,
- int mode,
- int count,
- DDXPointPtr pptInit
-){
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && (count > 2)) {
- DDXPointPtr ppt = pptInit;
- int i = count;
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- box.x2 = box.x1 = ppt->x;
- box.y2 = box.y1 = ppt->y;
-
- if(mode != CoordModeOrigin) {
- int x = box.x1;
- int y = box.y1;
- while(--i) {
- ppt++;
- x += ppt->x;
- y += ppt->y;
- if(box.x1 > x) box.x1 = x;
- else if(box.x2 < x) box.x2 = x;
- if(box.y1 > y) box.y1 = y;
- else if(box.y2 < y) box.y2 = y;
- }
- } else {
- while(--i) {
- ppt++;
- if(box.x1 > ppt->x) box.x1 = ppt->x;
- else if(box.x2 < ppt->x) box.x2 = ppt->x;
- if(box.y1 > ppt->y) box.y1 = ppt->y;
- else if(box.y2 < ppt->y) box.y2 = ppt->y;
- }
- }
-
- box.x2++;
- box.y2++;
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
-
- (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
- } else
- (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-
-static void
-ShadowPolyFillRect(
- DrawablePtr pDraw,
- GCPtr pGC,
- int nRectsInit,
- xRectangle *pRectsInit
-){
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nRectsInit) {
- BoxRec box;
- Bool boxNotEmpty = FALSE;
- xRectangle *pRects = pRectsInit;
- int nRects = nRectsInit;
-
- box.x1 = pRects->x;
- box.x2 = box.x1 + pRects->width;
- box.y1 = pRects->y;
- box.y2 = box.y1 + pRects->height;
-
- while(--nRects) {
- pRects++;
- if(box.x1 > pRects->x) box.x1 = pRects->x;
- if(box.x2 < (pRects->x + pRects->width))
- box.x2 = pRects->x + pRects->width;
- if(box.y1 > pRects->y) box.y1 = pRects->y;
- if(box.y2 < (pRects->y + pRects->height))
- box.y2 = pRects->y + pRects->height;
- }
-
- /* cfb messes with the pRectsInit so we have to do our
- calculations first */
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
-
- (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
- } else
- (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-
-static void
-ShadowPolyFillArc(
- DrawablePtr pDraw,
- GCPtr pGC,
- int narcsInit,
- xArc *parcsInit
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && narcsInit) {
- xArc *parcs = parcsInit;
- int narcs = narcsInit;
-
- box.x1 = parcs->x;
- box.x2 = box.x1 + parcs->width;
- box.y1 = parcs->y;
- box.y2 = box.y1 + parcs->height;
-
- /* should I break these up instead ? */
-
- while(--narcs) {
- parcs++;
- if(box.x1 > parcs->x) box.x1 = parcs->x;
- if(box.x2 < (parcs->x + parcs->width))
- box.x2 = parcs->x + parcs->width;
- if(box.y1 > parcs->y) box.y1 = parcs->y;
- if(box.y2 < (parcs->y + parcs->height))
- box.y2 = parcs->y + parcs->height;
- }
-
- TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->PolyFillArc)(pDraw, pGC, narcsInit, parcsInit);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowTextExtent(FontPtr pFont, int count, char* chars,
- FontEncoding fontEncoding, BoxPtr box)
-{
- unsigned long n, i;
- int w;
- CharInfoPtr charinfo[255]; /* encoding only has 1 byte for count */
-
- GetGlyphs(pFont, (unsigned long)count, (unsigned char *)chars,
- fontEncoding, &n, charinfo);
- w = 0;
- for (i=0; i < n; i++) {
- w += charinfo[i]->metrics.characterWidth;
- }
- if (i) {
- w += charinfo[i - 1]->metrics.rightSideBearing;
- }
-
- box->x1 = 0;
- if (n) {
- if (charinfo[0]->metrics.leftSideBearing < 0) {
- box->x1 = charinfo[0]->metrics.leftSideBearing;
- }
- }
- box->x2 = w;
- box->y1 = -FONTMAXBOUNDS(pFont,ascent);
- box->y2 = FONTMAXBOUNDS(pFont,descent);
-}
-
-
-
-static void
-ShadowFontToBox(BoxPtr BB, DrawablePtr pDrawable, GCPtr pGC, int x, int y,
- int count, char *chars, int wide)
-{
- FontPtr pFont;
-
- pFont = pGC->font;
- if (pFont->info.constantWidth) {
- int ascent, descent, left, right = 0;
-
- ascent = max(pFont->info.fontAscent, pFont->info.maxbounds.ascent);
- descent = max(pFont->info.fontDescent, pFont->info.maxbounds.descent);
- left = pFont->info.maxbounds.leftSideBearing;
- if (count > 0) {
- right = (count - 1) * pFont->info.maxbounds.characterWidth;
- }
- right += pFont->info.maxbounds.rightSideBearing;
- BB->x1 =
- max(pDrawable->x + x - left,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->x1);
- BB->y1 =
- max(pDrawable->y + y - ascent,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->y1);
- BB->x2 =
- min(pDrawable->x + x + right,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->x2);
- BB->y2 =
- min(pDrawable->y + y + descent,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->y2);
- } else {
- ShadowTextExtent(pFont, count, chars, wide ? (FONTLASTROW(pFont) == 0)
- ? Linear16Bit : TwoD16Bit : Linear8Bit, BB);
- BB->x1 =
- max(pDrawable->x + x + BB->x1,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->x1);
- BB->y1 =
- max(pDrawable->y + y + BB->y1,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->y1);
- BB->x2 =
- min(pDrawable->x + x + BB->x2,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->x2);
- BB->y2 =
- min(pDrawable->y + y + BB->y2,
- RegionExtents(&((WindowPtr) pDrawable)->winSize)->y2);
- }
-}
-
-static int
-ShadowPolyText8(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- char *chars
-){
- int width;
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw)) {
- ShadowFontToBox(&box, pDraw, pGC, x, y, count, chars, 0);
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- width = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-
- return width;
-}
-
-static int
-ShadowPolyText16(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- unsigned short *chars
-){
- int width;
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw)) {
- ShadowFontToBox(&box, pDraw, pGC, x, y, count, (char*)chars, 1);
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- width = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-
- return width;
-}
-
-static void
-ShadowImageText8(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- char *chars
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && count) {
- int top, bot, Min, Max;
-
- top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
- bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
-
- Min = count * FONTMINBOUNDS(pGC->font, characterWidth);
- if(Min > 0) Min = 0;
- Max = count * FONTMAXBOUNDS(pGC->font, characterWidth);
- if(Max < 0) Max = 0;
-
- /* ugh */
- box.x1 = pDraw->x + x + Min +
- FONTMINBOUNDS(pGC->font, leftSideBearing);
- box.x2 = pDraw->x + x + Max +
- FONTMAXBOUNDS(pGC->font, rightSideBearing);
-
- box.y1 = pDraw->y + y - top;
- box.y2 = pDraw->y + y + bot;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-static void
-ShadowImageText16(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x,
- int y,
- int count,
- unsigned short *chars
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && count) {
- int top, bot, Min, Max;
-
- top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
- bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
-
- Min = count * FONTMINBOUNDS(pGC->font, characterWidth);
- if(Min > 0) Min = 0;
- Max = count * FONTMAXBOUNDS(pGC->font, characterWidth);
- if(Max < 0) Max = 0;
-
- /* ugh */
- box.x1 = pDraw->x + x + Min +
- FONTMINBOUNDS(pGC->font, leftSideBearing);
- box.x2 = pDraw->x + x + Max +
- FONTMAXBOUNDS(pGC->font, rightSideBearing);
-
- box.y1 = pDraw->y + y - top;
- box.y2 = pDraw->y + y + bot;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-
-static void
-ShadowImageGlyphBlt(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x, int y,
- unsigned int nglyphInit,
- CharInfoPtr *ppciInit,
- pointer pglyphBase
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nglyphInit) {
- CharInfoPtr *ppci = ppciInit;
- unsigned int nglyph = nglyphInit;
- int top, bot, width = 0;
-
- top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
- bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
-
- box.x1 = ppci[0]->metrics.leftSideBearing;
- if(box.x1 > 0) box.x1 = 0;
- box.x2 = ppci[nglyph - 1]->metrics.rightSideBearing -
- ppci[nglyph - 1]->metrics.characterWidth;
- if(box.x2 < 0) box.x2 = 0;
-
- box.x2 += pDraw->x + x;
- box.x1 += pDraw->x + x;
-
- while(nglyph--) {
- width += (*ppci)->metrics.characterWidth;
- ppci++;
- }
-
- if(width > 0)
- box.x2 += width;
- else
- box.x1 += width;
-
- box.y1 = pDraw->y + y - top;
- box.y2 = pDraw->y + y + bot;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, x, y, nglyphInit,
- ppciInit, pglyphBase);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowPolyGlyphBlt(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x, int y,
- unsigned int nglyphInit,
- CharInfoPtr *ppciInit,
- pointer pglyphBase
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw) && nglyphInit) {
- CharInfoPtr *ppci = ppciInit;
- unsigned int nglyph = nglyphInit;
-
- /* ugh */
- box.x1 = pDraw->x + x + ppci[0]->metrics.leftSideBearing;
- box.x2 = pDraw->x + x + ppci[nglyph - 1]->metrics.rightSideBearing;
-
- if(nglyph > 1) {
- int width = 0;
-
- while(--nglyph) {
- width += (*ppci)->metrics.characterWidth;
- ppci++;
- }
-
- if(width > 0) box.x2 += width;
- else box.x1 += width;
- }
-
- box.y1 = pDraw->y + y - FONTMAXBOUNDS(pGC->font, ascent);
- box.y2 = pDraw->y + y + FONTMAXBOUNDS(pGC->font, descent);
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, x, y, nglyphInit,
- ppciInit, pglyphBase);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-static void
-ShadowPushPixels(
- GCPtr pGC,
- PixmapPtr pBitMap,
- DrawablePtr pDraw,
- int dx, int dy, int xOrg, int yOrg
-){
- BoxRec box;
- Bool boxNotEmpty = FALSE;
-
- SHADOW_GC_OP_PROLOGUE(pGC);
-
- if(IS_VISIBLE(pDraw)) {
- box.x1 = xOrg;
- box.y1 = yOrg;
-
- if(!pGC->miTranslate) {
- box.x1 += pDraw->x;
- box.y1 += pDraw->y;
- }
-
- box.x2 = box.x1 + dx;
- box.y2 = box.y1 + dy;
-
- TRIM_BOX(box, pGC);
- if(BOX_NOT_EMPTY(box)) {
- if(pPriv->preRefresh)
- (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
- boxNotEmpty = TRUE;
- }
- }
-
- (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg);
-
- if(boxNotEmpty && pPriv->postRefresh)
- (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
-
- SHADOW_GC_OP_EPILOGUE(pGC);
-}
-
-
-GCOps ShadowGCOps = {
- ShadowFillSpans, ShadowSetSpans,
- ShadowPutImage, ShadowCopyArea,
- ShadowCopyPlane, ShadowPolyPoint,
- ShadowPolylines, ShadowPolySegment,
- ShadowPolyRectangle, ShadowPolyArc,
- ShadowFillPolygon, ShadowPolyFillRect,
- ShadowPolyFillArc, ShadowPolyText8,
- ShadowPolyText16, ShadowImageText8,
- ShadowImageText16, ShadowImageGlyphBlt,
- ShadowPolyGlyphBlt, ShadowPushPixels,
-};
-
+/*
+ Copyright (C) 1999. The XFree86 Project Inc.
+
+ Written by Mark Vojkovich (mvojkovi@ucsd.edu)
+
+ Pre-fb-write callbacks and RENDER support - Nolan Leake (nolan@vmware.com)
+*/
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "pixmapstr.h"
+#include "input.h"
+#include <X11/fonts/font.h>
+#include "mi.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "gcstruct.h"
+#include "dixfontstr.h"
+#include <X11/fonts/fontstruct.h>
+#include "xf86.h"
+#include "xf86str.h"
+#include "shadowfb.h"
+
+#include "picturestr.h"
+
+static Bool ShadowCloseScreen(int i, ScreenPtr pScreen);
+static void ShadowCopyWindow(WindowPtr pWin,
+ DDXPointRec ptOldOrg, RegionPtr prgn);
+static Bool ShadowCreateGC(GCPtr pGC);
+
+static Bool ShadowEnterVT(int index, int flags);
+static void ShadowLeaveVT(int index, int flags);
+
+static void ShadowComposite(CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst, CARD16 width, CARD16 height);
+
+typedef struct {
+ ScrnInfoPtr pScrn;
+ RefreshAreaFuncPtr preRefresh;
+ RefreshAreaFuncPtr postRefresh;
+ CloseScreenProcPtr CloseScreen;
+ CopyWindowProcPtr CopyWindow;
+ CreateGCProcPtr CreateGC;
+ ModifyPixmapHeaderProcPtr ModifyPixmapHeader;
+ CompositeProcPtr Composite;
+ Bool (*EnterVT) (int, int);
+ void (*LeaveVT) (int, int);
+ Bool vtSema;
+} ShadowScreenRec, *ShadowScreenPtr;
+
+typedef struct {
+ GCOps *ops;
+ GCFuncs *funcs;
+} ShadowGCRec, *ShadowGCPtr;
+
+static DevPrivateKeyRec ShadowScreenKeyRec;
+
+#define ShadowScreenKey (&ShadowScreenKeyRec)
+
+static DevPrivateKeyRec ShadowGCKeyRec;
+
+#define ShadowGCKey (&ShadowGCKeyRec)
+
+#define GET_SCREEN_PRIVATE(pScreen) \
+ (ShadowScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, ShadowScreenKey)
+#define GET_GC_PRIVATE(pGC) \
+ (ShadowGCPtr)dixLookupPrivate(&(pGC)->devPrivates, ShadowGCKey)
+
+#define SHADOW_GC_FUNC_PROLOGUE(pGC)\
+ ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\
+ (pGC)->funcs = pGCPriv->funcs;\
+ if(pGCPriv->ops)\
+ (pGC)->ops = pGCPriv->ops
+
+#define SHADOW_GC_FUNC_EPILOGUE(pGC)\
+ pGCPriv->funcs = (pGC)->funcs;\
+ (pGC)->funcs = &ShadowGCFuncs;\
+ if(pGCPriv->ops) {\
+ pGCPriv->ops = (pGC)->ops;\
+ (pGC)->ops = &ShadowGCOps;\
+ }
+
+#define SHADOW_GC_OP_PROLOGUE(pGC)\
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pGC->pScreen); \
+ ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\
+ GCFuncs *oldFuncs = pGC->funcs;\
+ pGC->funcs = pGCPriv->funcs;\
+ pGC->ops = pGCPriv->ops
+
+#define SHADOW_GC_OP_EPILOGUE(pGC)\
+ pGCPriv->ops = pGC->ops;\
+ pGC->funcs = oldFuncs;\
+ pGC->ops = &ShadowGCOps
+
+#define IS_VISIBLE(pWin) (pPriv->vtSema && \
+ (((WindowPtr)pWin)->visibility != VisibilityFullyObscured))
+
+#define TRIM_BOX(box, pGC) { \
+ BoxPtr extents = &pGC->pCompositeClip->extents;\
+ if(box.x1 < extents->x1) box.x1 = extents->x1; \
+ if(box.x2 > extents->x2) box.x2 = extents->x2; \
+ if(box.y1 < extents->y1) box.y1 = extents->y1; \
+ if(box.y2 > extents->y2) box.y2 = extents->y2; \
+ }
+
+#define TRANSLATE_BOX(box, pDraw) { \
+ box.x1 += pDraw->x; \
+ box.x2 += pDraw->x; \
+ box.y1 += pDraw->y; \
+ box.y2 += pDraw->y; \
+ }
+
+#define TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC) { \
+ TRANSLATE_BOX(box, pDraw); \
+ TRIM_BOX(box, pGC); \
+ }
+
+#define BOX_NOT_EMPTY(box) \
+ (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0))
+
+Bool
+ShadowFBInit2(ScreenPtr pScreen,
+ RefreshAreaFuncPtr preRefreshArea,
+ RefreshAreaFuncPtr postRefreshArea)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ ShadowScreenPtr pPriv;
+ PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
+
+ if (!preRefreshArea && !postRefreshArea)
+ return FALSE;
+
+ if (!dixRegisterPrivateKey(&ShadowScreenKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+
+ if (!dixRegisterPrivateKey
+ (&ShadowGCKeyRec, PRIVATE_GC, sizeof(ShadowGCRec)))
+ return FALSE;
+
+ if (!(pPriv = (ShadowScreenPtr) malloc(sizeof(ShadowScreenRec))))
+ return FALSE;
+
+ dixSetPrivate(&pScreen->devPrivates, ShadowScreenKey, pPriv);
+
+ pPriv->pScrn = pScrn;
+ pPriv->preRefresh = preRefreshArea;
+ pPriv->postRefresh = postRefreshArea;
+ pPriv->vtSema = TRUE;
+
+ pPriv->CloseScreen = pScreen->CloseScreen;
+ pPriv->CopyWindow = pScreen->CopyWindow;
+ pPriv->CreateGC = pScreen->CreateGC;
+ pPriv->ModifyPixmapHeader = pScreen->ModifyPixmapHeader;
+
+ pPriv->EnterVT = pScrn->EnterVT;
+ pPriv->LeaveVT = pScrn->LeaveVT;
+
+ pScreen->CloseScreen = ShadowCloseScreen;
+ pScreen->CopyWindow = ShadowCopyWindow;
+ pScreen->CreateGC = ShadowCreateGC;
+
+ pScrn->EnterVT = ShadowEnterVT;
+ pScrn->LeaveVT = ShadowLeaveVT;
+
+ if (ps) {
+ pPriv->Composite = ps->Composite;
+ ps->Composite = ShadowComposite;
+ }
+
+ return TRUE;
+}
+
+Bool
+ShadowFBInit(ScreenPtr pScreen, RefreshAreaFuncPtr refreshArea)
+{
+ return ShadowFBInit2(pScreen, NULL, refreshArea);
+}
+
+/**********************************************************/
+
+static Bool
+ShadowEnterVT(int index, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[index];
+ Bool ret;
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScrn->pScreen);
+
+ pScrn->EnterVT = pPriv->EnterVT;
+ ret = (*pPriv->EnterVT) (index, flags);
+ pPriv->EnterVT = pScrn->EnterVT;
+ pScrn->EnterVT = ShadowEnterVT;
+ if (ret) {
+ pPriv->vtSema = TRUE;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+ShadowLeaveVT(int index, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[index];
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(xf86Screens[index]->pScreen);
+
+ pPriv->vtSema = FALSE;
+
+ pScrn->LeaveVT = pPriv->LeaveVT;
+ (*pPriv->LeaveVT) (index, flags);
+ pPriv->LeaveVT = pScrn->LeaveVT;
+ pScrn->LeaveVT = ShadowLeaveVT;
+}
+
+/**********************************************************/
+
+static Bool
+ShadowCloseScreen(int i, ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+ PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
+
+ pScreen->CloseScreen = pPriv->CloseScreen;
+ pScreen->CopyWindow = pPriv->CopyWindow;
+ pScreen->CreateGC = pPriv->CreateGC;
+ pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader;
+
+ pScrn->EnterVT = pPriv->EnterVT;
+ pScrn->LeaveVT = pPriv->LeaveVT;
+
+ if (ps) {
+ ps->Composite = pPriv->Composite;
+ }
+
+ free((pointer) pPriv);
+
+ return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+static void
+ShadowCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgn)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+ int num = 0;
+ RegionRec rgnDst;
+
+ if (pPriv->vtSema) {
+ RegionNull(&rgnDst);
+ RegionCopy(&rgnDst, prgn);
+
+ RegionTranslate(&rgnDst,
+ pWin->drawable.x - ptOldOrg.x,
+ pWin->drawable.y - ptOldOrg.y);
+ RegionIntersect(&rgnDst, &pWin->borderClip, &rgnDst);
+ if ((num = RegionNumRects(&rgnDst))) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, num, RegionRects(&rgnDst));
+ }
+ else {
+ RegionUninit(&rgnDst);
+ }
+ }
+
+ pScreen->CopyWindow = pPriv->CopyWindow;
+ (*pScreen->CopyWindow) (pWin, ptOldOrg, prgn);
+ pScreen->CopyWindow = ShadowCopyWindow;
+
+ if (num) {
+ if (pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, num, RegionRects(&rgnDst));
+ RegionUninit(&rgnDst);
+ }
+}
+
+static void
+ShadowComposite(CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ BoxRec box;
+ BoxPtr extents;
+ Bool boxNotEmpty = FALSE;
+
+ if (pPriv->vtSema && pDst->pDrawable->type == DRAWABLE_WINDOW) {
+
+ box.x1 = pDst->pDrawable->x + xDst;
+ box.y1 = pDst->pDrawable->y + yDst;
+ box.x2 = box.x1 + width;
+ box.y2 = box.y1 + height;
+
+ extents = &pDst->pCompositeClip->extents;
+ if (box.x1 < extents->x1)
+ box.x1 = extents->x1;
+ if (box.x2 > extents->x2)
+ box.x2 = extents->x2;
+ if (box.y1 < extents->y1)
+ box.y1 = extents->y1;
+ if (box.y2 > extents->y2)
+ box.y2 = extents->y2;
+
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ ps->Composite = pPriv->Composite;
+ (*ps->Composite) (op, pSrc, pMask, pDst, xSrc, ySrc,
+ xMask, yMask, xDst, yDst, width, height);
+ ps->Composite = ShadowComposite;
+
+ if (pPriv->postRefresh && boxNotEmpty) {
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+ }
+}
+
+/**********************************************************/
+
+static void ShadowValidateGC(GCPtr, unsigned long, DrawablePtr);
+static void ShadowChangeGC(GCPtr, unsigned long);
+static void ShadowCopyGC(GCPtr, unsigned long, GCPtr);
+static void ShadowDestroyGC(GCPtr);
+static void ShadowChangeClip(GCPtr, int, pointer, int);
+static void ShadowDestroyClip(GCPtr);
+static void ShadowCopyClip(GCPtr, GCPtr);
+
+GCFuncs ShadowGCFuncs = {
+ ShadowValidateGC, ShadowChangeGC, ShadowCopyGC, ShadowDestroyGC,
+ ShadowChangeClip, ShadowDestroyClip, ShadowCopyClip
+};
+
+extern GCOps ShadowGCOps;
+
+static Bool
+ShadowCreateGC(GCPtr pGC)
+{
+ ScreenPtr pScreen = pGC->pScreen;
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+ ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);
+ Bool ret;
+
+ pScreen->CreateGC = pPriv->CreateGC;
+ if ((ret = (*pScreen->CreateGC) (pGC))) {
+ pGCPriv->ops = NULL;
+ pGCPriv->funcs = pGC->funcs;
+ pGC->funcs = &ShadowGCFuncs;
+ }
+ pScreen->CreateGC = ShadowCreateGC;
+
+ return ret;
+}
+
+static void
+ShadowValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDraw)
+{
+ SHADOW_GC_FUNC_PROLOGUE(pGC);
+ (*pGC->funcs->ValidateGC) (pGC, changes, pDraw);
+ if (pDraw->type == DRAWABLE_WINDOW)
+ pGCPriv->ops = pGC->ops; /* just so it's not NULL */
+ else
+ pGCPriv->ops = NULL;
+ SHADOW_GC_FUNC_EPILOGUE(pGC);
+}
+
+static void
+ShadowDestroyGC(GCPtr pGC)
+{
+ SHADOW_GC_FUNC_PROLOGUE(pGC);
+ (*pGC->funcs->DestroyGC) (pGC);
+ SHADOW_GC_FUNC_EPILOGUE(pGC);
+}
+
+static void
+ShadowChangeGC(GCPtr pGC, unsigned long mask)
+{
+ SHADOW_GC_FUNC_PROLOGUE(pGC);
+ (*pGC->funcs->ChangeGC) (pGC, mask);
+ SHADOW_GC_FUNC_EPILOGUE(pGC);
+}
+
+static void
+ShadowCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst)
+{
+ SHADOW_GC_FUNC_PROLOGUE(pGCDst);
+ (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
+ SHADOW_GC_FUNC_EPILOGUE(pGCDst);
+}
+
+static void
+ShadowChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects)
+{
+ SHADOW_GC_FUNC_PROLOGUE(pGC);
+ (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
+ SHADOW_GC_FUNC_EPILOGUE(pGC);
+}
+
+static void
+ShadowCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
+{
+ SHADOW_GC_FUNC_PROLOGUE(pgcDst);
+ (*pgcDst->funcs->CopyClip) (pgcDst, pgcSrc);
+ SHADOW_GC_FUNC_EPILOGUE(pgcDst);
+}
+
+static void
+ShadowDestroyClip(GCPtr pGC)
+{
+ SHADOW_GC_FUNC_PROLOGUE(pGC);
+ (*pGC->funcs->DestroyClip) (pGC);
+ SHADOW_GC_FUNC_EPILOGUE(pGC);
+}
+
+/**********************************************************/
+
+static void
+ShadowFillSpans(DrawablePtr pDraw,
+ GC * pGC,
+ int nInit, DDXPointPtr pptInit, int *pwidthInit, int fSorted)
+{
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nInit) {
+ DDXPointPtr ppt = pptInit;
+ int *pwidth = pwidthInit;
+ int i = nInit;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ box.x1 = ppt->x;
+ box.x2 = box.x1 + *pwidth;
+ box.y2 = box.y1 = ppt->y;
+
+ while (--i) {
+ ppt++;
+ pwidth++;
+ if (box.x1 > ppt->x)
+ box.x1 = ppt->x;
+ if (box.x2 < (ppt->x + *pwidth))
+ box.x2 = ppt->x + *pwidth;
+ if (box.y1 > ppt->y)
+ box.y1 = ppt->y;
+ else if (box.y2 < ppt->y)
+ box.y2 = ppt->y;
+ }
+
+ box.y2++;
+
+ if (!pGC->miTranslate) {
+ TRANSLATE_BOX(box, pDraw);
+ }
+ TRIM_BOX(box, pGC);
+
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->FillSpans) (pDraw, pGC, nInit, pptInit, pwidthInit,
+ fSorted);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+ }
+ else
+ (*pGC->ops->FillSpans) (pDraw, pGC, nInit, pptInit, pwidthInit,
+ fSorted);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowSetSpans(DrawablePtr pDraw,
+ GCPtr pGC,
+ char *pcharsrc,
+ DDXPointPtr pptInit, int *pwidthInit, int nspans, int fSorted)
+{
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nspans) {
+ DDXPointPtr ppt = pptInit;
+ int *pwidth = pwidthInit;
+ int i = nspans;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ box.x1 = ppt->x;
+ box.x2 = box.x1 + *pwidth;
+ box.y2 = box.y1 = ppt->y;
+
+ while (--i) {
+ ppt++;
+ pwidth++;
+ if (box.x1 > ppt->x)
+ box.x1 = ppt->x;
+ if (box.x2 < (ppt->x + *pwidth))
+ box.x2 = ppt->x + *pwidth;
+ if (box.y1 > ppt->y)
+ box.y1 = ppt->y;
+ else if (box.y2 < ppt->y)
+ box.y2 = ppt->y;
+ }
+
+ box.y2++;
+
+ if (!pGC->miTranslate) {
+ TRANSLATE_BOX(box, pDraw);
+ }
+ TRIM_BOX(box, pGC);
+
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->SetSpans) (pDraw, pGC, pcharsrc, pptInit,
+ pwidthInit, nspans, fSorted);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+ }
+ else
+ (*pGC->ops->SetSpans) (pDraw, pGC, pcharsrc, pptInit,
+ pwidthInit, nspans, fSorted);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPutImage(DrawablePtr pDraw,
+ GCPtr pGC,
+ int depth,
+ int x, int y, int w, int h,
+ int leftPad, int format, char *pImage)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw)) {
+ box.x1 = x + pDraw->x;
+ box.x2 = box.x1 + w;
+ box.y1 = y + pDraw->y;
+ box.y2 = box.y1 + h;
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PutImage) (pDraw, pGC, depth, x, y, w, h,
+ leftPad, format, pImage);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+}
+
+static RegionPtr
+ShadowCopyArea(DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GC * pGC,
+ int srcx, int srcy, int width, int height, int dstx, int dsty)
+{
+ RegionPtr ret;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDst)) {
+ box.x1 = dstx + pDst->x;
+ box.x2 = box.x1 + width;
+ box.y1 = dsty + pDst->y;
+ box.y2 = box.y1 + height;
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ ret = (*pGC->ops->CopyArea) (pSrc, pDst,
+ pGC, srcx, srcy, width, height, dstx, dsty);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return ret;
+}
+
+static RegionPtr
+ShadowCopyPlane(DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GCPtr pGC,
+ int srcx, int srcy,
+ int width, int height,
+ int dstx, int dsty, unsigned long bitPlane)
+{
+ RegionPtr ret;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDst)) {
+ box.x1 = dstx + pDst->x;
+ box.x2 = box.x1 + width;
+ box.y1 = dsty + pDst->y;
+ box.y2 = box.y1 + height;
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ ret = (*pGC->ops->CopyPlane) (pSrc, pDst,
+ pGC, srcx, srcy, width, height, dstx, dsty,
+ bitPlane);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return ret;
+}
+
+static void
+ShadowPolyPoint(DrawablePtr pDraw,
+ GCPtr pGC, int mode, int nptInit, xPoint * pptInit)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nptInit) {
+ xPoint *ppt = pptInit;
+ int npt = nptInit;
+
+ box.x2 = box.x1 = pptInit->x;
+ box.y2 = box.y1 = pptInit->y;
+
+ /* this could be slow if the points were spread out */
+
+ while (--npt) {
+ ppt++;
+ if (box.x1 > ppt->x)
+ box.x1 = ppt->x;
+ else if (box.x2 < ppt->x)
+ box.x2 = ppt->x;
+ if (box.y1 > ppt->y)
+ box.y1 = ppt->y;
+ else if (box.y2 < ppt->y)
+ box.y2 = ppt->y;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyPoint) (pDraw, pGC, mode, nptInit, pptInit);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolylines(DrawablePtr pDraw,
+ GCPtr pGC, int mode, int nptInit, DDXPointPtr pptInit)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nptInit) {
+ DDXPointPtr ppt = pptInit;
+ int npt = nptInit;
+ int extra = pGC->lineWidth >> 1;
+
+ box.x2 = box.x1 = pptInit->x;
+ box.y2 = box.y1 = pptInit->y;
+
+ if (npt > 1) {
+ if (pGC->joinStyle == JoinMiter)
+ extra = 6 * pGC->lineWidth;
+ else if (pGC->capStyle == CapProjecting)
+ extra = pGC->lineWidth;
+ }
+
+ if (mode == CoordModePrevious) {
+ int x = box.x1;
+ int y = box.y1;
+
+ while (--npt) {
+ ppt++;
+ x += ppt->x;
+ y += ppt->y;
+ if (box.x1 > x)
+ box.x1 = x;
+ else if (box.x2 < x)
+ box.x2 = x;
+ if (box.y1 > y)
+ box.y1 = y;
+ else if (box.y2 < y)
+ box.y2 = y;
+ }
+ }
+ else {
+ while (--npt) {
+ ppt++;
+ if (box.x1 > ppt->x)
+ box.x1 = ppt->x;
+ else if (box.x2 < ppt->x)
+ box.x2 = ppt->x;
+ if (box.y1 > ppt->y)
+ box.y1 = ppt->y;
+ else if (box.y2 < ppt->y)
+ box.y2 = ppt->y;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ if (extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->Polylines) (pDraw, pGC, mode, nptInit, pptInit);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolySegment(DrawablePtr pDraw,
+ GCPtr pGC, int nsegInit, xSegment * pSegInit)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nsegInit) {
+ int extra = pGC->lineWidth;
+ xSegment *pSeg = pSegInit;
+ int nseg = nsegInit;
+
+ if (pGC->capStyle != CapProjecting)
+ extra >>= 1;
+
+ if (pSeg->x2 > pSeg->x1) {
+ box.x1 = pSeg->x1;
+ box.x2 = pSeg->x2;
+ }
+ else {
+ box.x2 = pSeg->x1;
+ box.x1 = pSeg->x2;
+ }
+
+ if (pSeg->y2 > pSeg->y1) {
+ box.y1 = pSeg->y1;
+ box.y2 = pSeg->y2;
+ }
+ else {
+ box.y2 = pSeg->y1;
+ box.y1 = pSeg->y2;
+ }
+
+ while (--nseg) {
+ pSeg++;
+ if (pSeg->x2 > pSeg->x1) {
+ if (pSeg->x1 < box.x1)
+ box.x1 = pSeg->x1;
+ if (pSeg->x2 > box.x2)
+ box.x2 = pSeg->x2;
+ }
+ else {
+ if (pSeg->x2 < box.x1)
+ box.x1 = pSeg->x2;
+ if (pSeg->x1 > box.x2)
+ box.x2 = pSeg->x1;
+ }
+ if (pSeg->y2 > pSeg->y1) {
+ if (pSeg->y1 < box.y1)
+ box.y1 = pSeg->y1;
+ if (pSeg->y2 > box.y2)
+ box.y2 = pSeg->y2;
+ }
+ else {
+ if (pSeg->y2 < box.y1)
+ box.y1 = pSeg->y2;
+ if (pSeg->y1 > box.y2)
+ box.y2 = pSeg->y1;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ if (extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolySegment) (pDraw, pGC, nsegInit, pSegInit);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolyRectangle(DrawablePtr pDraw,
+ GCPtr pGC, int nRectsInit, xRectangle *pRectsInit)
+{
+ BoxRec box;
+ BoxPtr pBoxInit = NULL;
+ Bool boxNotEmpty = FALSE;
+ int num = 0;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nRectsInit) {
+ xRectangle *pRects = pRectsInit;
+ int nRects = nRectsInit;
+
+ if (nRects >= 32) {
+ int extra = pGC->lineWidth >> 1;
+
+ box.x1 = pRects->x;
+ box.x2 = box.x1 + pRects->width;
+ box.y1 = pRects->y;
+ box.y2 = box.y1 + pRects->height;
+
+ while (--nRects) {
+ pRects++;
+ if (box.x1 > pRects->x)
+ box.x1 = pRects->x;
+ if (box.x2 < (pRects->x + pRects->width))
+ box.x2 = pRects->x + pRects->width;
+ if (box.y1 > pRects->y)
+ box.y1 = pRects->y;
+ if (box.y2 < (pRects->y + pRects->height))
+ box.y2 = pRects->y + pRects->height;
+ }
+
+ if (extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+ else {
+ BoxPtr pbox;
+ int offset1, offset2, offset3;
+
+ offset2 = pGC->lineWidth;
+ if (!offset2)
+ offset2 = 1;
+ offset1 = offset2 >> 1;
+ offset3 = offset2 - offset1;
+
+ pBoxInit = (BoxPtr) malloc(nRects * 4 * sizeof(BoxRec));
+ pbox = pBoxInit;
+
+ while (nRects--) {
+ pbox->x1 = pRects->x - offset1;
+ pbox->y1 = pRects->y - offset1;
+ pbox->x2 = pbox->x1 + pRects->width + offset2;
+ pbox->y2 = pbox->y1 + offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if (BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pbox->x1 = pRects->x - offset1;
+ pbox->y1 = pRects->y + offset3;
+ pbox->x2 = pbox->x1 + offset2;
+ pbox->y2 = pbox->y1 + pRects->height - offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if (BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pbox->x1 = pRects->x + pRects->width - offset1;
+ pbox->y1 = pRects->y + offset3;
+ pbox->x2 = pbox->x1 + offset2;
+ pbox->y2 = pbox->y1 + pRects->height - offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if (BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pbox->x1 = pRects->x - offset1;
+ pbox->y1 = pRects->y + pRects->height - offset1;
+ pbox->x2 = pbox->x1 + pRects->width + offset2;
+ pbox->y2 = pbox->y1 + offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if (BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pRects++;
+ }
+
+ if (num) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, num, pBoxInit);
+ }
+ else {
+ free(pBoxInit);
+ }
+ }
+ }
+
+ (*pGC->ops->PolyRectangle) (pDraw, pGC, nRectsInit, pRectsInit);
+
+ if (boxNotEmpty && pPriv->postRefresh) {
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+ }
+ else if (num) {
+ if (pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, num, pBoxInit);
+ free(pBoxInit);
+ }
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+}
+
+static void
+ShadowPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcsInit, xArc * parcsInit)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && narcsInit) {
+ int narcs = narcsInit;
+ xArc *parcs = parcsInit;
+ int extra = pGC->lineWidth >> 1;
+
+ box.x1 = parcs->x;
+ box.x2 = box.x1 + parcs->width;
+ box.y1 = parcs->y;
+ box.y2 = box.y1 + parcs->height;
+
+ /* should I break these up instead ? */
+
+ while (--narcs) {
+ parcs++;
+ if (box.x1 > parcs->x)
+ box.x1 = parcs->x;
+ if (box.x2 < (parcs->x + parcs->width))
+ box.x2 = parcs->x + parcs->width;
+ if (box.y1 > parcs->y)
+ box.y1 = parcs->y;
+ if (box.y2 < (parcs->y + parcs->height))
+ box.y2 = parcs->y + parcs->height;
+ }
+
+ if (extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyArc) (pDraw, pGC, narcsInit, parcsInit);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+}
+
+static void
+ShadowFillPolygon(DrawablePtr pDraw,
+ GCPtr pGC,
+ int shape, int mode, int count, DDXPointPtr pptInit)
+{
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && (count > 2)) {
+ DDXPointPtr ppt = pptInit;
+ int i = count;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ box.x2 = box.x1 = ppt->x;
+ box.y2 = box.y1 = ppt->y;
+
+ if (mode != CoordModeOrigin) {
+ int x = box.x1;
+ int y = box.y1;
+
+ while (--i) {
+ ppt++;
+ x += ppt->x;
+ y += ppt->y;
+ if (box.x1 > x)
+ box.x1 = x;
+ else if (box.x2 < x)
+ box.x2 = x;
+ if (box.y1 > y)
+ box.y1 = y;
+ else if (box.y2 < y)
+ box.y2 = y;
+ }
+ }
+ else {
+ while (--i) {
+ ppt++;
+ if (box.x1 > ppt->x)
+ box.x1 = ppt->x;
+ else if (box.x2 < ppt->x)
+ box.x2 = ppt->x;
+ if (box.y1 > ppt->y)
+ box.y1 = ppt->y;
+ else if (box.y2 < ppt->y)
+ box.y2 = ppt->y;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->FillPolygon) (pDraw, pGC, shape, mode, count, pptInit);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+ }
+ else
+ (*pGC->ops->FillPolygon) (pDraw, pGC, shape, mode, count, pptInit);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolyFillRect(DrawablePtr pDraw,
+ GCPtr pGC, int nRectsInit, xRectangle *pRectsInit)
+{
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nRectsInit) {
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+ xRectangle *pRects = pRectsInit;
+ int nRects = nRectsInit;
+
+ box.x1 = pRects->x;
+ box.x2 = box.x1 + pRects->width;
+ box.y1 = pRects->y;
+ box.y2 = box.y1 + pRects->height;
+
+ while (--nRects) {
+ pRects++;
+ if (box.x1 > pRects->x)
+ box.x1 = pRects->x;
+ if (box.x2 < (pRects->x + pRects->width))
+ box.x2 = pRects->x + pRects->width;
+ if (box.y1 > pRects->y)
+ box.y1 = pRects->y;
+ if (box.y2 < (pRects->y + pRects->height))
+ box.y2 = pRects->y + pRects->height;
+ }
+
+ /* cfb messes with the pRectsInit so we have to do our
+ calculations first */
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->PolyFillRect) (pDraw, pGC, nRectsInit, pRectsInit);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+ }
+ else
+ (*pGC->ops->PolyFillRect) (pDraw, pGC, nRectsInit, pRectsInit);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcsInit, xArc * parcsInit)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && narcsInit) {
+ xArc *parcs = parcsInit;
+ int narcs = narcsInit;
+
+ box.x1 = parcs->x;
+ box.x2 = box.x1 + parcs->width;
+ box.y1 = parcs->y;
+ box.y2 = box.y1 + parcs->height;
+
+ /* should I break these up instead ? */
+
+ while (--narcs) {
+ parcs++;
+ if (box.x1 > parcs->x)
+ box.x1 = parcs->x;
+ if (box.x2 < (parcs->x + parcs->width))
+ box.x2 = parcs->x + parcs->width;
+ if (box.y1 > parcs->y)
+ box.y1 = parcs->y;
+ if (box.y2 < (parcs->y + parcs->height))
+ box.y2 = parcs->y + parcs->height;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyFillArc) (pDraw, pGC, narcsInit, parcsInit);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowTextExtent(FontPtr pFont, int count, char *chars,
+ FontEncoding fontEncoding, BoxPtr box)
+{
+ unsigned long n, i;
+ int w;
+ CharInfoPtr charinfo[255]; /* encoding only has 1 byte for count */
+
+ GetGlyphs(pFont, (unsigned long) count, (unsigned char *) chars,
+ fontEncoding, &n, charinfo);
+ w = 0;
+ for (i = 0; i < n; i++) {
+ w += charinfo[i]->metrics.characterWidth;
+ }
+ if (i) {
+ w += charinfo[i - 1]->metrics.rightSideBearing;
+ }
+
+ box->x1 = 0;
+ if (n) {
+ if (charinfo[0]->metrics.leftSideBearing < 0) {
+ box->x1 = charinfo[0]->metrics.leftSideBearing;
+ }
+ }
+ box->x2 = w;
+ box->y1 = -FONTMAXBOUNDS(pFont, ascent);
+ box->y2 = FONTMAXBOUNDS(pFont, descent);
+}
+
+static void
+ShadowFontToBox(BoxPtr BB, DrawablePtr pDrawable, GCPtr pGC, int x, int y,
+ int count, char *chars, int wide)
+{
+ FontPtr pFont;
+
+ pFont = pGC->font;
+ if (pFont->info.constantWidth) {
+ int ascent, descent, left, right = 0;
+
+ ascent = max(pFont->info.fontAscent, pFont->info.maxbounds.ascent);
+ descent = max(pFont->info.fontDescent, pFont->info.maxbounds.descent);
+ left = pFont->info.maxbounds.leftSideBearing;
+ if (count > 0) {
+ right = (count - 1) * pFont->info.maxbounds.characterWidth;
+ }
+ right += pFont->info.maxbounds.rightSideBearing;
+ BB->x1 =
+ max(pDrawable->x + x - left,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->x1);
+ BB->y1 =
+ max(pDrawable->y + y - ascent,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->y1);
+ BB->x2 =
+ min(pDrawable->x + x + right,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->x2);
+ BB->y2 =
+ min(pDrawable->y + y + descent,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->y2);
+ }
+ else {
+ ShadowTextExtent(pFont, count, chars, wide ? (FONTLASTROW(pFont) == 0)
+ ? Linear16Bit : TwoD16Bit : Linear8Bit, BB);
+ BB->x1 =
+ max(pDrawable->x + x + BB->x1,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->x1);
+ BB->y1 =
+ max(pDrawable->y + y + BB->y1,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->y1);
+ BB->x2 =
+ min(pDrawable->x + x + BB->x2,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->x2);
+ BB->y2 =
+ min(pDrawable->y + y + BB->y2,
+ RegionExtents(&((WindowPtr) pDrawable)->winSize)->y2);
+ }
+}
+
+static int
+ShadowPolyText8(DrawablePtr pDraw,
+ GCPtr pGC, int x, int y, int count, char *chars)
+{
+ int width;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw)) {
+ ShadowFontToBox(&box, pDraw, pGC, x, y, count, chars, 0);
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ width = (*pGC->ops->PolyText8) (pDraw, pGC, x, y, count, chars);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return width;
+}
+
+static int
+ShadowPolyText16(DrawablePtr pDraw,
+ GCPtr pGC, int x, int y, int count, unsigned short *chars)
+{
+ int width;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw)) {
+ ShadowFontToBox(&box, pDraw, pGC, x, y, count, (char *) chars, 1);
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ width = (*pGC->ops->PolyText16) (pDraw, pGC, x, y, count, chars);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return width;
+}
+
+static void
+ShadowImageText8(DrawablePtr pDraw,
+ GCPtr pGC, int x, int y, int count, char *chars)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && count) {
+ int top, bot, Min, Max;
+
+ top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
+ bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
+
+ Min = count * FONTMINBOUNDS(pGC->font, characterWidth);
+ if (Min > 0)
+ Min = 0;
+ Max = count * FONTMAXBOUNDS(pGC->font, characterWidth);
+ if (Max < 0)
+ Max = 0;
+
+ /* ugh */
+ box.x1 = pDraw->x + x + Min + FONTMINBOUNDS(pGC->font, leftSideBearing);
+ box.x2 = pDraw->x + x + Max +
+ FONTMAXBOUNDS(pGC->font, rightSideBearing);
+
+ box.y1 = pDraw->y + y - top;
+ box.y2 = pDraw->y + y + bot;
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->ImageText8) (pDraw, pGC, x, y, count, chars);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowImageText16(DrawablePtr pDraw,
+ GCPtr pGC, int x, int y, int count, unsigned short *chars)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && count) {
+ int top, bot, Min, Max;
+
+ top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
+ bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
+
+ Min = count * FONTMINBOUNDS(pGC->font, characterWidth);
+ if (Min > 0)
+ Min = 0;
+ Max = count * FONTMAXBOUNDS(pGC->font, characterWidth);
+ if (Max < 0)
+ Max = 0;
+
+ /* ugh */
+ box.x1 = pDraw->x + x + Min + FONTMINBOUNDS(pGC->font, leftSideBearing);
+ box.x2 = pDraw->x + x + Max +
+ FONTMAXBOUNDS(pGC->font, rightSideBearing);
+
+ box.y1 = pDraw->y + y - top;
+ box.y2 = pDraw->y + y + bot;
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->ImageText16) (pDraw, pGC, x, y, count, chars);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowImageGlyphBlt(DrawablePtr pDraw,
+ GCPtr pGC,
+ int x, int y,
+ unsigned int nglyphInit,
+ CharInfoPtr * ppciInit, pointer pglyphBase)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nglyphInit) {
+ CharInfoPtr *ppci = ppciInit;
+ unsigned int nglyph = nglyphInit;
+ int top, bot, width = 0;
+
+ top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
+ bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
+
+ box.x1 = ppci[0]->metrics.leftSideBearing;
+ if (box.x1 > 0)
+ box.x1 = 0;
+ box.x2 = ppci[nglyph - 1]->metrics.rightSideBearing -
+ ppci[nglyph - 1]->metrics.characterWidth;
+ if (box.x2 < 0)
+ box.x2 = 0;
+
+ box.x2 += pDraw->x + x;
+ box.x1 += pDraw->x + x;
+
+ while (nglyph--) {
+ width += (*ppci)->metrics.characterWidth;
+ ppci++;
+ }
+
+ if (width > 0)
+ box.x2 += width;
+ else
+ box.x1 += width;
+
+ box.y1 = pDraw->y + y - top;
+ box.y2 = pDraw->y + y + bot;
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->ImageGlyphBlt) (pDraw, pGC, x, y, nglyphInit,
+ ppciInit, pglyphBase);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolyGlyphBlt(DrawablePtr pDraw,
+ GCPtr pGC,
+ int x, int y,
+ unsigned int nglyphInit,
+ CharInfoPtr * ppciInit, pointer pglyphBase)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw) && nglyphInit) {
+ CharInfoPtr *ppci = ppciInit;
+ unsigned int nglyph = nglyphInit;
+
+ /* ugh */
+ box.x1 = pDraw->x + x + ppci[0]->metrics.leftSideBearing;
+ box.x2 = pDraw->x + x + ppci[nglyph - 1]->metrics.rightSideBearing;
+
+ if (nglyph > 1) {
+ int width = 0;
+
+ while (--nglyph) {
+ width += (*ppci)->metrics.characterWidth;
+ ppci++;
+ }
+
+ if (width > 0)
+ box.x2 += width;
+ else
+ box.x1 += width;
+ }
+
+ box.y1 = pDraw->y + y - FONTMAXBOUNDS(pGC->font, ascent);
+ box.y2 = pDraw->y + y + FONTMAXBOUNDS(pGC->font, descent);
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyGlyphBlt) (pDraw, pGC, x, y, nglyphInit,
+ ppciInit, pglyphBase);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPushPixels(GCPtr pGC,
+ PixmapPtr pBitMap,
+ DrawablePtr pDraw, int dx, int dy, int xOrg, int yOrg)
+{
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if (IS_VISIBLE(pDraw)) {
+ box.x1 = xOrg;
+ box.y1 = yOrg;
+
+ if (!pGC->miTranslate) {
+ box.x1 += pDraw->x;
+ box.y1 += pDraw->y;
+ }
+
+ box.x2 = box.x1 + dx;
+ box.y2 = box.y1 + dy;
+
+ TRIM_BOX(box, pGC);
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh) (pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PushPixels) (pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg);
+
+ if (boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh) (pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+GCOps ShadowGCOps = {
+ ShadowFillSpans, ShadowSetSpans,
+ ShadowPutImage, ShadowCopyArea,
+ ShadowCopyPlane, ShadowPolyPoint,
+ ShadowPolylines, ShadowPolySegment,
+ ShadowPolyRectangle, ShadowPolyArc,
+ ShadowFillPolygon, ShadowPolyFillRect,
+ ShadowPolyFillArc, ShadowPolyText8,
+ ShadowPolyText16, ShadowImageText8,
+ ShadowImageText16, ShadowImageGlyphBlt,
+ ShadowPolyGlyphBlt, ShadowPushPixels,
+};
diff --git a/xorg-server/hw/xfree86/shadowfb/shadowfb.h b/xorg-server/hw/xfree86/shadowfb/shadowfb.h
index 56e0e86fe..bcf59f9b2 100644
--- a/xorg-server/hw/xfree86/shadowfb/shadowfb.h
+++ b/xorg-server/hw/xfree86/shadowfb/shadowfb.h
@@ -9,7 +9,7 @@
* the number of dirty rectangles, and a pointer to the first dirty rectangle
* in the array.
*/
-typedef void (*RefreshAreaFuncPtr)(ScrnInfoPtr, int, BoxPtr);
+typedef void (*RefreshAreaFuncPtr) (ScrnInfoPtr, int, BoxPtr);
/*
* ShadowFBInit initializes the shadowfb subsystem. refreshArea is a pointer
@@ -20,10 +20,7 @@ typedef void (*RefreshAreaFuncPtr)(ScrnInfoPtr, int, BoxPtr);
* Returns FALSE in the event of an error.
*/
extern _X_EXPORT Bool
-ShadowFBInit (
- ScreenPtr pScreen,
- RefreshAreaFuncPtr refreshArea
-);
+ ShadowFBInit(ScreenPtr pScreen, RefreshAreaFuncPtr refreshArea);
/*
* ShadowFBInit2 is a more featureful refinement of the original shadowfb.
@@ -34,10 +31,9 @@ ShadowFBInit (
* Returns FALSE in the event of an error
*/
extern _X_EXPORT Bool
-ShadowFBInit2 (
- ScreenPtr pScreen,
- RefreshAreaFuncPtr preRefreshArea,
- RefreshAreaFuncPtr postRefreshArea
-);
-#endif /* _SHADOWFB_H */
+ShadowFBInit2(ScreenPtr pScreen,
+ RefreshAreaFuncPtr preRefreshArea,
+ RefreshAreaFuncPtr postRefreshArea);
+
+#endif /* _SHADOWFB_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 00:11:30 +0000