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Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaFillRect.c')
-rw-r--r--xorg-server/hw/xfree86/xaa/xaaFillRect.c2196
1 files changed, 1101 insertions, 1095 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaFillRect.c b/xorg-server/hw/xfree86/xaa/xaaFillRect.c
index 724ff37a2..ec0fb9df7 100644
--- a/xorg-server/hw/xfree86/xaa/xaaFillRect.c
+++ b/xorg-server/hw/xfree86/xaa/xaaFillRect.c
@@ -1,1095 +1,1101 @@
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "misc.h"
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-#include <X11/X.h>
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "xf86str.h"
-#include "xaa.h"
-#include "xaalocal.h"
-
-
-static void XAARenderSolidRects(GCPtr, int, BoxPtr, int, int);
-static void XAARenderColor8x8Rects(GCPtr, int, BoxPtr, int, int);
-static void XAARenderMono8x8Rects(GCPtr, int, BoxPtr, int, int);
-static void XAARenderColorExpandRects(GCPtr, int, BoxPtr, int, int);
-static void XAARenderCacheExpandRects(GCPtr, int, BoxPtr, int, int);
-static void XAARenderCacheBltRects(GCPtr, int, BoxPtr, int, int);
-static void XAARenderImageWriteRects(GCPtr, int, BoxPtr, int, int);
-static void XAARenderPixmapCopyRects(GCPtr, int, BoxPtr, int, int);
-
-void
-XAAPolyFillRect(
- DrawablePtr pDraw,
- GCPtr pGC,
- int nrectFill, /* number of rectangles to fill */
- xRectangle *prectInit /* Pointer to first rectangle to fill */
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int xorg = pDraw->x;
- int yorg = pDraw->y;
- int type = 0;
- ClipAndRenderRectsFunc function;
-
- if((nrectFill <= 0) || !pGC->planemask)
- return;
-
- if(!RegionNumRects(pGC->pCompositeClip))
- return;
-
- switch(pGC->fillStyle) {
- case FillSolid:
- type = DO_SOLID;
- break;
- case FillStippled:
- type = (*infoRec->StippledFillChooser)(pGC);
- break;
- case FillOpaqueStippled:
- if((pGC->fgPixel == pGC->bgPixel) && infoRec->FillSolidRects &&
- CHECK_PLANEMASK(pGC,infoRec->FillSolidRectsFlags) &&
- CHECK_ROP(pGC,infoRec->FillSolidRectsFlags) &&
- CHECK_ROPSRC(pGC,infoRec->FillSolidRectsFlags) &&
- CHECK_FG(pGC,infoRec->FillSolidRectsFlags))
- type = DO_SOLID;
- else
- type = (*infoRec->OpaqueStippledFillChooser)(pGC);
- break;
- case FillTiled:
- type = (*infoRec->TiledFillChooser)(pGC);
- break;
- }
-
- switch(type) {
- case DO_SOLID:
- function = XAARenderSolidRects;
- break;
- case DO_COLOR_8x8:
- function = XAARenderColor8x8Rects;
- break;
- case DO_MONO_8x8:
- function = XAARenderMono8x8Rects;
- break;
- case DO_CACHE_BLT:
- function = XAARenderCacheBltRects;
- break;
- case DO_COLOR_EXPAND:
- function = XAARenderColorExpandRects;
- break;
- case DO_CACHE_EXPAND:
- function = XAARenderCacheExpandRects;
- break;
- case DO_IMAGE_WRITE:
- function = XAARenderImageWriteRects;
- break;
- case DO_PIXMAP_COPY:
- function = XAARenderPixmapCopyRects;
- break;
- default:
- (*XAAFallbackOps.PolyFillRect)(pDraw, pGC, nrectFill, prectInit);
- return;
- }
-
- if(xorg | yorg) {
- int n = nrectFill;
- xRectangle *prect = prectInit;
-
- while(n--) {
- prect->x += xorg;
- prect->y += yorg;
- prect++;
- }
- }
-
-
- XAAClipAndRenderRects(pGC, function, nrectFill, prectInit, xorg, yorg);
-}
-
-
-
- /*********************\
- | Solid Rects |
- \*********************/
-
-static void
-XAARenderSolidRects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
-
- (*infoRec->FillSolidRects) (infoRec->pScrn,
- pGC->fgPixel, pGC->alu, pGC->planemask, nboxes, pClipBoxes);
-}
-
-
- /************************\
- | Mono 8x8 Rects |
- \************************/
-
-static void
-XAARenderMono8x8Rects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- XAAPixmapPtr pPriv;
- int fg, bg;
-
- switch(pGC->fillStyle) {
- case FillStippled:
- pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->stipple);
- fg = pGC->fgPixel; bg = -1;
- break;
- case FillOpaqueStippled:
- pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->stipple);
- fg = pGC->fgPixel; bg = pGC->bgPixel;
- break;
- case FillTiled:
- pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->tile.pixmap);
- fg = pPriv->fg; bg = pPriv->bg;
- break;
- default: /* Muffle compiler */
- pPriv = NULL; /* Kaboom */
- fg = -1; bg = -1;
- break;
- }
-
- (*infoRec->FillMono8x8PatternRects) (infoRec->pScrn,
- fg, bg, pGC->alu, pGC->planemask,
- nboxes, pClipBoxes, pPriv->pattern0, pPriv->pattern1,
- (xorg + pGC->patOrg.x), (yorg + pGC->patOrg.y));
-}
-
- /*************************\
- | Color 8x8 Rects |
- \*************************/
-
-static void
-XAARenderColor8x8Rects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- XAACacheInfoPtr pCache;
- PixmapPtr pPix;
- int fg, bg;
-
- switch(pGC->fillStyle) {
- case FillStippled:
- pPix = pGC->stipple;
- fg = pGC->fgPixel; bg = -1;
- break;
- case FillOpaqueStippled:
- pPix = pGC->stipple;
- fg = pGC->fgPixel; bg = pGC->bgPixel;
- break;
- case FillTiled:
- pPix = pGC->tile.pixmap;
- fg = -1; bg = -1;
- break;
- default: /* Muffle compiler */
- pPix = NULL;
- fg = -1; bg = -1;
- break;
- }
-
- pCache = (*infoRec->CacheColor8x8Pattern)(infoRec->pScrn, pPix, fg, bg);
- (*infoRec->FillColor8x8PatternRects) (infoRec->pScrn,
- pGC->alu, pGC->planemask, nboxes, pClipBoxes,
- (xorg + pGC->patOrg.x), (yorg + pGC->patOrg.y), pCache);
-}
-
-
- /****************************\
- | Color Expand Rects |
- \****************************/
-
-static void
-XAARenderColorExpandRects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int fg, bg;
-
- switch(pGC->fillStyle) {
- case FillStippled:
- fg = pGC->fgPixel; bg = -1;
- break;
- case FillOpaqueStippled:
- fg = pGC->fgPixel; bg = pGC->bgPixel;
- break;
- default: /* Muffle compiler */
- fg = -1; bg = -1;
- break;
- }
-
- (*infoRec->FillColorExpandRects) (infoRec->pScrn, fg, bg,
- pGC->alu, pGC->planemask, nboxes, pClipBoxes,
- (xorg + pGC->patOrg.x), (yorg + pGC->patOrg.y),
- pGC->stipple);
-}
-
-
- /*************************\
- | Cache Blt Rects |
- \*************************/
-
-static void
-XAARenderCacheBltRects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- XAACacheInfoPtr pCache;
-
- switch(pGC->fillStyle) {
- case FillStippled:
- pCache = (*infoRec->CacheStipple)(infoRec->pScrn, pGC->stipple,
- pGC->fgPixel, -1);
- break;
- case FillOpaqueStippled:
- pCache = (*infoRec->CacheStipple)(infoRec->pScrn, pGC->stipple,
- pGC->fgPixel, pGC->bgPixel);
- break;
- case FillTiled:
- pCache = (*infoRec->CacheTile)(infoRec->pScrn, pGC->tile.pixmap);
- break;
- default: /* Muffle compiler */
- pCache = NULL;
- break;
- }
-
- (*infoRec->FillCacheBltRects) (infoRec->pScrn, pGC->alu,
- pGC->planemask, nboxes, pClipBoxes,
- (xorg + pGC->patOrg.x), (yorg + pGC->patOrg.y), pCache);
-}
-
-
- /****************************\
- | Cache Expand Rects |
- \****************************/
-
-static void
-XAARenderCacheExpandRects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int fg, bg;
-
- switch(pGC->fillStyle) {
- case FillStippled:
- fg = pGC->fgPixel; bg = -1;
- break;
- case FillOpaqueStippled:
- fg = pGC->fgPixel; bg = pGC->bgPixel;
- break;
- default: /* Muffle compiler */
- fg = -1; bg = -1;
- break;
- }
-
- (*infoRec->FillCacheExpandRects) (infoRec->pScrn, fg, bg,
- pGC->alu, pGC->planemask, nboxes, pClipBoxes,
- (xorg + pGC->patOrg.x), (yorg + pGC->patOrg.y),
- pGC->stipple);
-}
-
-
-
- /***************************\
- | Image Write Rects |
- \***************************/
-
-static void
-XAARenderImageWriteRects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
-
- (*infoRec->FillImageWriteRects) (infoRec->pScrn, pGC->alu,
- pGC->planemask, nboxes, pClipBoxes,
- (xorg + pGC->patOrg.x), (yorg + pGC->patOrg.y),
- pGC->tile.pixmap);
-}
-
-
-
- /***************************\
- | Pixmap Copy Rects |
- \***************************/
-
-static void
-XAARenderPixmapCopyRects(
- GCPtr pGC,
- int nboxes,
- BoxPtr pClipBoxes,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- XAACacheInfoPtr pCache = &(infoRec->ScratchCacheInfoRec);
- XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->tile.pixmap);
-
- pCache->x = pPriv->offscreenArea->box.x1;
- pCache->y = pPriv->offscreenArea->box.y1;
- pCache->w = pCache->orig_w =
- pPriv->offscreenArea->box.x2 - pCache->x;
- pCache->h = pCache->orig_h =
- pPriv->offscreenArea->box.y2 - pCache->y;
- pCache->trans_color = -1;
-
- (*infoRec->FillCacheBltRects) (infoRec->pScrn, pGC->alu,
- pGC->planemask, nboxes, pClipBoxes,
- (xorg + pGC->patOrg.x), (yorg + pGC->patOrg.y),
- pCache);
-}
-
-
-
- /************\
- | Solid |
- \************/
-
-void
-XAAFillSolidRects(
- ScrnInfoPtr pScrn,
- int fg, int rop,
- unsigned int planemask,
- int nBox, /* number of rectangles to fill */
- BoxPtr pBox /* Pointer to first rectangle to fill */
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
-
- (*infoRec->SetupForSolidFill)(pScrn, fg, rop, planemask);
- while(nBox--) {
- (*infoRec->SubsequentSolidFillRect)(pScrn, pBox->x1, pBox->y1,
- pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
- pBox++;
- }
- SET_SYNC_FLAG(infoRec);
-}
-
-
-
-
- /*********************\
- | 8x8 Mono Patterns |
- \*********************/
-
-
-void
-XAAFillMono8x8PatternRectsScreenOrigin(
- ScrnInfoPtr pScrn,
- int fg, int bg, int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int pattern0, int pattern1,
- int xorigin, int yorigin
-)
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int patx = pattern0, paty = pattern1;
- int xorg = (-xorigin) & 0x07;
- int yorg = (-yorigin) & 0x07;
-
-
- if(infoRec->Mono8x8PatternFillFlags & HARDWARE_PATTERN_PROGRAMMED_BITS) {
- if(!(infoRec->Mono8x8PatternFillFlags &
- HARDWARE_PATTERN_PROGRAMMED_ORIGIN)){
- XAARotateMonoPattern(&patx, &paty, xorg, yorg,
- (infoRec->Mono8x8PatternFillFlags &
- BIT_ORDER_IN_BYTE_MSBFIRST));
- xorg = patx; yorg = paty;
- }
- } else {
- XAACacheInfoPtr pCache =
- (*infoRec->CacheMono8x8Pattern)(pScrn, pattern0, pattern1);
- patx = pCache->x; paty = pCache->y;
- if(!(infoRec->Mono8x8PatternFillFlags &
- HARDWARE_PATTERN_PROGRAMMED_ORIGIN)){
- int slot = (yorg << 3) + xorg;
- patx += pCache->offsets[slot].x;
- paty += pCache->offsets[slot].y;
- xorg = patx; yorg = paty;
- }
- }
-
- (*infoRec->SetupForMono8x8PatternFill)(pScrn, patx, paty,
- fg, bg, rop, planemask);
-
- while(nBox--) {
- (*infoRec->SubsequentMono8x8PatternFillRect)(pScrn,
- xorg, yorg, pBox->x1, pBox->y1,
- pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
- pBox++;
- }
- SET_SYNC_FLAG(infoRec);
-}
-
-void
-XAAFillMono8x8PatternRects(
- ScrnInfoPtr pScrn,
- int fg, int bg, int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int pattern0, int pattern1,
- int xorigin, int yorigin
-)
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int patx = pattern0, paty = pattern1;
- int xorg, yorg;
- XAACacheInfoPtr pCache = NULL;
-
-
- if(!(infoRec->Mono8x8PatternFillFlags & HARDWARE_PATTERN_PROGRAMMED_BITS)){
- pCache = (*infoRec->CacheMono8x8Pattern)(pScrn, pattern0, pattern1);
- patx = pCache->x; paty = pCache->y;
- }
-
-
- (*infoRec->SetupForMono8x8PatternFill)(pScrn, patx, paty,
- fg, bg, rop, planemask);
-
-
- while(nBox--) {
- xorg = (pBox->x1 - xorigin) & 0x07;
- yorg = (pBox->y1 - yorigin) & 0x07;
-
- if(!(infoRec->Mono8x8PatternFillFlags &
- HARDWARE_PATTERN_PROGRAMMED_ORIGIN)){
- if(infoRec->Mono8x8PatternFillFlags &
- HARDWARE_PATTERN_PROGRAMMED_BITS) {
- patx = pattern0; paty = pattern1;
- XAARotateMonoPattern(&patx, &paty, xorg, yorg,
- (infoRec->Mono8x8PatternFillFlags &
- BIT_ORDER_IN_BYTE_MSBFIRST));
- xorg = patx; yorg = paty;
- } else {
- int slot = (yorg << 3) + xorg;
- xorg = patx + pCache->offsets[slot].x;
- yorg = paty + pCache->offsets[slot].y;
- }
- }
-
- (*infoRec->SubsequentMono8x8PatternFillRect)(pScrn,
- xorg, yorg, pBox->x1, pBox->y1,
- pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
- pBox++;
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-
- /**********************\
- | 8x8 Color Patterns |
- \**********************/
-
-
-void
-XAAFillColor8x8PatternRectsScreenOrigin(
- ScrnInfoPtr pScrn,
- int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int xorigin, int yorigin,
- XAACacheInfoPtr pCache
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int patx = pCache->x, paty = pCache->y;
- int xorg = (-xorigin) & 0x07;
- int yorg = (-yorigin) & 0x07;
-
- if(!(infoRec->Color8x8PatternFillFlags &
- HARDWARE_PATTERN_PROGRAMMED_ORIGIN)){
- int slot = (yorg << 3) + xorg;
- paty += pCache->offsets[slot].y;
- patx += pCache->offsets[slot].x;
- xorg = patx; yorg = paty;
- }
-
- (*infoRec->SetupForColor8x8PatternFill)(pScrn, patx, paty,
- rop, planemask, pCache->trans_color);
-
- while(nBox--) {
- (*infoRec->SubsequentColor8x8PatternFillRect)(pScrn,
- xorg, yorg, pBox->x1, pBox->y1,
- pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
- pBox++;
- }
- SET_SYNC_FLAG(infoRec);
-}
-
-void
-XAAFillColor8x8PatternRects(
- ScrnInfoPtr pScrn,
- int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int xorigin, int yorigin,
- XAACacheInfoPtr pCache
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int xorg, yorg;
-
- (*infoRec->SetupForColor8x8PatternFill)(pScrn, pCache->x, pCache->y,
- rop, planemask, pCache->trans_color);
-
- while(nBox--) {
- xorg = (pBox->x1 - xorigin) & 0x07;
- yorg = (pBox->y1 - yorigin) & 0x07;
-
- if(!(infoRec->Color8x8PatternFillFlags &
- HARDWARE_PATTERN_PROGRAMMED_ORIGIN)){
- int slot = (yorg << 3) + xorg;
- yorg = pCache->y + pCache->offsets[slot].y;
- xorg = pCache->x + pCache->offsets[slot].x;
- }
-
- (*infoRec->SubsequentColor8x8PatternFillRect)(pScrn,
- xorg, yorg, pBox->x1, pBox->y1,
- pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
- pBox++;
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-
- /***************\
- | Cache Blits |
- \***************/
-
-void
-XAAFillCacheBltRects(
- ScrnInfoPtr pScrn,
- int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int xorg, int yorg,
- XAACacheInfoPtr pCache
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int x, y, phaseY, phaseX, skipleft, height, width, w, blit_w, blit_h;
-
- (*infoRec->SetupForScreenToScreenCopy)(pScrn, 1, 1, rop, planemask,
- pCache->trans_color);
-
- while(nBox--) {
- y = pBox->y1;
- phaseY = (y - yorg) % pCache->orig_h;
- if(phaseY < 0) phaseY += pCache->orig_h;
- phaseX = (pBox->x1 - xorg) % pCache->orig_w;
- if(phaseX < 0) phaseX += pCache->orig_w;
- height = pBox->y2 - y;
- width = pBox->x2 - pBox->x1;
-
-#if 0
- if (rop == GXcopy) {
- while(1) {
- w = width; skipleft = phaseX; x = pBox->x1;
- blit_h = pCache->h - phaseY;
- if(blit_h > height) blit_h = height;
-
- while(1) {
- blit_w = pCache->w - skipleft;
- if(blit_w > w) blit_w = w;
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pCache->x + skipleft, pCache->y + phaseY,
- x, y, blit_w, blit_h);
- w -= blit_w;
- if(!w) break;
- x += blit_w;
- skipleft = (skipleft + blit_w) % pCache->orig_w;
- if(blit_w >= pCache->orig_w) break;
- }
-
- /* Expand horizontally */
- if (w) {
- skipleft -= phaseX;
- if (skipleft < 0) skipleft += pCache->orig_w;
- blit_w = x - pBox->x1 - skipleft;
- while(w) {
- if (blit_w > w) blit_w = w;
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pBox->x1 + skipleft, y, x, y, blit_w, blit_h);
- w -= blit_w;
- x += blit_w;
- blit_w <<= 1;
- }
- }
-
- height -= blit_h;
- if(!height) break;
- y += blit_h;
- phaseY = (phaseY + blit_h) % pCache->orig_h;
- if(blit_h >= pCache->orig_h) break;
- }
-
- /* Expand vertically */
- if (height) {
- blit_w = pBox->x2 - pBox->x1;
- phaseY -= (pBox->y1 - yorg) % pCache->orig_h;
- if (phaseY < 0) phaseY += pCache->orig_h;
- blit_h = y - pBox->y1 - phaseY;
- while(height) {
- if (blit_h > height) blit_h = height;
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn, pBox->x1,
- pBox->y1 + phaseY, pBox->x1, y, blit_w, blit_h);
- height -= blit_h;
- y += blit_h;
- blit_h <<= 1;
- }
- }
- } else
-#endif
- {
- while(1) {
- w = width; skipleft = phaseX; x = pBox->x1;
- blit_h = pCache->h - phaseY;
- if(blit_h > height) blit_h = height;
-
- while(1) {
- blit_w = pCache->w - skipleft;
- if(blit_w > w) blit_w = w;
- (*infoRec->SubsequentScreenToScreenCopy)(pScrn,
- pCache->x + skipleft, pCache->y + phaseY,
- x, y, blit_w, blit_h);
- w -= blit_w;
- if(!w) break;
- x += blit_w;
- skipleft = (skipleft + blit_w) % pCache->orig_w;
- }
- height -= blit_h;
- if(!height) break;
- y += blit_h;
- phaseY = (phaseY + blit_h) % pCache->orig_h;
- }
- }
- pBox++;
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-
-
-
- /*******************\
- | Cache Expansion |
- \*******************/
-
-
-
-void
-XAAFillCacheExpandRects(
- ScrnInfoPtr pScrn,
- int fg, int bg, int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int xorg, int yorg,
- PixmapPtr pPix
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int x, y, phaseY, phaseX, skipleft, height, width, w, blit_w, blit_h;
- int cacheWidth;
- XAACacheInfoPtr pCache;
-
- pCache = (*infoRec->CacheMonoStipple)(pScrn, pPix);
-
- cacheWidth = (pCache->w * pScrn->bitsPerPixel) /
- infoRec->CacheColorExpandDensity;
-
- (*infoRec->SetupForScreenToScreenColorExpandFill)(pScrn, fg, bg, rop,
- planemask);
-
- while(nBox--) {
- y = pBox->y1;
- phaseY = (y - yorg) % pCache->orig_h;
- if(phaseY < 0) phaseY += pCache->orig_h;
- phaseX = (pBox->x1 - xorg) % pCache->orig_w;
- if(phaseX < 0) phaseX += pCache->orig_w;
- height = pBox->y2 - y;
- width = pBox->x2 - pBox->x1;
-
- while(1) {
- w = width; skipleft = phaseX; x = pBox->x1;
- blit_h = pCache->h - phaseY;
- if(blit_h > height) blit_h = height;
-
- while(1) {
- blit_w = cacheWidth - skipleft;
- if(blit_w > w) blit_w = w;
- (*infoRec->SubsequentScreenToScreenColorExpandFill)(
- pScrn, x, y, blit_w, blit_h,
- pCache->x, pCache->y + phaseY, skipleft);
- w -= blit_w;
- if(!w) break;
- x += blit_w;
- skipleft = (skipleft + blit_w) % pCache->orig_w;
- }
- height -= blit_h;
- if(!height) break;
- y += blit_h;
- phaseY = (phaseY + blit_h) % pCache->orig_h;
- }
- pBox++;
- }
-
- SET_SYNC_FLAG(infoRec);
-}
-
-
- /******************\
- | Image Writes |
- \******************/
-
-
-
-/* This requires all LEFT_EDGE clipping. You get too many problems
- with reading past the edge of the pattern otherwise */
-
-static void
-WriteColumn(
- ScrnInfoPtr pScrn,
- unsigned char *pSrc,
- int x, int y, int w, int h,
- int xoff, int yoff,
- int pHeight,
- int srcwidth,
- int Bpp
-) {
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- unsigned char *src;
- Bool PlusOne = FALSE;
- int skipleft, dwords;
-
- pSrc += (Bpp * xoff);
-
- if((skipleft = (long)pSrc & 0x03L)) {
- if(Bpp == 3)
- skipleft = 4 - skipleft;
- else
- skipleft /= Bpp;
-
- x -= skipleft;
- w += skipleft;
-
- if(Bpp == 3)
- pSrc -= 3 * skipleft;
- else /* is this Alpha friendly ? */
- pSrc = (unsigned char*)((long)pSrc & ~0x03L);
- }
-
- src = pSrc + (yoff * srcwidth);
-
- dwords = bytes_to_int32(w * Bpp);
-
- if((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) &&
- ((dwords * h) & 0x01)) {
- PlusOne = TRUE;
- }
-
- (*infoRec->SubsequentImageWriteRect)(pScrn, x, y, w, h, skipleft);
-
- if(dwords > infoRec->ImageWriteRange) {
- while(h--) {
- XAAMoveDWORDS_FixedBase((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords);
- src += srcwidth;
- yoff++;
- if(yoff >= pHeight) {
- yoff = 0;
- src = pSrc;
- }
- }
- } else {
- if(srcwidth == (dwords << 2)) {
- int maxLines = infoRec->ImageWriteRange/dwords;
- int step;
-
- while(h) {
- step = pHeight - yoff;
- if(step > maxLines) step = maxLines;
- if(step > h) step = h;
-
- XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords * step);
-
- src += (srcwidth * step);
- yoff += step;
- if(yoff >= pHeight) {
- yoff = 0;
- src = pSrc;
- }
- h -= step;
- }
- } else {
- while(h--) {
- XAAMoveDWORDS((CARD32*)infoRec->ImageWriteBase,
- (CARD32*)src, dwords);
- src += srcwidth;
- yoff++;
- if(yoff >= pHeight) {
- yoff = 0;
- src = pSrc;
- }
- }
- }
- }
-
- if(PlusOne) {
- CARD32* base = (CARD32*)infoRec->ImageWriteBase;
- *base = 0x00000000;
- }
-}
-
-void
-XAAFillImageWriteRects(
- ScrnInfoPtr pScrn,
- int rop,
- unsigned int planemask,
- int nBox,
- BoxPtr pBox,
- int xorg, int yorg,
- PixmapPtr pPix
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int x, phaseY, phaseX, height, width, blit_w;
- int pHeight = pPix->drawable.height;
- int pWidth = pPix->drawable.width;
- int Bpp = pPix->drawable.bitsPerPixel >> 3;
- int srcwidth = pPix->devKind;
-
- (*infoRec->SetupForImageWrite)(pScrn, rop, planemask, -1,
- pPix->drawable.bitsPerPixel, pPix->drawable.depth);
-
- while(nBox--) {
- x = pBox->x1;
- phaseY = (pBox->y1 - yorg) % pHeight;
- if(phaseY < 0) phaseY += pHeight;
- phaseX = (x - xorg) % pWidth;
- if(phaseX < 0) phaseX += pWidth;
- height = pBox->y2 - pBox->y1;
- width = pBox->x2 - x;
-
- while(1) {
- blit_w = pWidth - phaseX;
- if(blit_w > width) blit_w = width;
-
- WriteColumn(pScrn, pPix->devPrivate.ptr, x, pBox->y1,
- blit_w, height, phaseX, phaseY, pHeight, srcwidth, Bpp);
-
- width -= blit_w;
- if(!width) break;
- x += blit_w;
- phaseX = (phaseX + blit_w) % pWidth;
- }
- pBox++;
- }
-
- if(infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE)
- (*infoRec->Sync)(pScrn);
- else SET_SYNC_FLAG(infoRec);
-}
-
-
- /*************\
- | Utilities |
- \*************/
-
-
-void
-XAAClipAndRenderRects(
- GCPtr pGC,
- ClipAndRenderRectsFunc BoxFunc,
- int nrectFill,
- xRectangle *prect,
- int xorg, int yorg
-){
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- int Right, Bottom, MaxBoxes;
- BoxPtr pextent, pboxClipped, pboxClippedBase;
-
- MaxBoxes = infoRec->PreAllocSize/sizeof(BoxRec);
- pboxClippedBase = (BoxPtr)infoRec->PreAllocMem;
- pboxClipped = pboxClippedBase;
-
- if (RegionNumRects(pGC->pCompositeClip) == 1) {
- pextent = RegionRects(pGC->pCompositeClip);
- while (nrectFill--) {
- pboxClipped->x1 = max(pextent->x1, prect->x);
- pboxClipped->y1 = max(pextent->y1, prect->y);
-
- Right = (int)prect->x + (int)prect->width;
- pboxClipped->x2 = min(pextent->x2, Right);
-
- Bottom = (int)prect->y + (int)prect->height;
- pboxClipped->y2 = min(pextent->y2, Bottom);
-
- prect++;
- if ((pboxClipped->x1 < pboxClipped->x2) &&
- (pboxClipped->y1 < pboxClipped->y2)) {
- pboxClipped++;
- if(pboxClipped >= (pboxClippedBase + MaxBoxes)) {
- (*BoxFunc)(pGC, MaxBoxes, pboxClippedBase, xorg, yorg);
- pboxClipped = pboxClippedBase;
- }
- }
- }
- } else {
- pextent = RegionExtents(pGC->pCompositeClip);
- while (nrectFill--) {
- int n;
- BoxRec box, *pbox;
-
- box.x1 = max(pextent->x1, prect->x);
- box.y1 = max(pextent->y1, prect->y);
-
- Right = (int)prect->x + (int)prect->width;
- box.x2 = min(pextent->x2, Right);
-
- Bottom = (int)prect->y + (int)prect->height;
- box.y2 = min(pextent->y2, Bottom);
-
- prect++;
-
- if ((box.x1 >= box.x2) || (box.y1 >= box.y2))
- continue;
-
- n = RegionNumRects (pGC->pCompositeClip);
- pbox = RegionRects(pGC->pCompositeClip);
-
- /* clip the rectangle to each box in the clip region
- this is logically equivalent to calling Intersect()
- */
- while(n--) {
- pboxClipped->x1 = max(box.x1, pbox->x1);
- pboxClipped->y1 = max(box.y1, pbox->y1);
- pboxClipped->x2 = min(box.x2, pbox->x2);
- pboxClipped->y2 = min(box.y2, pbox->y2);
- pbox++;
-
- /* see if clipping left anything */
- if(pboxClipped->x1 < pboxClipped->x2 &&
- pboxClipped->y1 < pboxClipped->y2) {
- pboxClipped++;
- if(pboxClipped >= (pboxClippedBase + MaxBoxes)) {
- (*BoxFunc)(pGC, MaxBoxes, pboxClippedBase, xorg, yorg);
- pboxClipped = pboxClippedBase;
- }
- }
- }
- }
- }
-
- if(pboxClipped != pboxClippedBase)
- (*BoxFunc)(pGC, pboxClipped - pboxClippedBase, pboxClippedBase,
- xorg, yorg);
-}
-
-
-int
-XAAGetRectClipBoxes(
- GCPtr pGC,
- BoxPtr pboxClippedBase,
- int nrectFill,
- xRectangle *prectInit
-){
- int Right, Bottom;
- BoxPtr pextent, pboxClipped = pboxClippedBase;
- xRectangle *prect = prectInit;
- RegionPtr prgnClip = pGC->pCompositeClip;
-
- if (RegionNumRects(prgnClip) == 1) {
- pextent = RegionRects(prgnClip);
- while (nrectFill--) {
- pboxClipped->x1 = max(pextent->x1, prect->x);
- pboxClipped->y1 = max(pextent->y1, prect->y);
-
- Right = (int)prect->x + (int)prect->width;
- pboxClipped->x2 = min(pextent->x2, Right);
-
- Bottom = (int)prect->y + (int)prect->height;
- pboxClipped->y2 = min(pextent->y2, Bottom);
-
- prect++;
- if ((pboxClipped->x1 < pboxClipped->x2) &&
- (pboxClipped->y1 < pboxClipped->y2)) {
- pboxClipped++;
- }
- }
- } else {
- pextent = RegionExtents(prgnClip);
- while (nrectFill--) {
- int n;
- BoxRec box, *pbox;
-
- box.x1 = max(pextent->x1, prect->x);
- box.y1 = max(pextent->y1, prect->y);
-
- Right = (int)prect->x + (int)prect->width;
- box.x2 = min(pextent->x2, Right);
-
- Bottom = (int)prect->y + (int)prect->height;
- box.y2 = min(pextent->y2, Bottom);
-
- prect++;
-
- if ((box.x1 >= box.x2) || (box.y1 >= box.y2))
- continue;
-
- n = RegionNumRects (prgnClip);
- pbox = RegionRects(prgnClip);
-
- /* clip the rectangle to each box in the clip region
- this is logically equivalent to calling Intersect()
- */
- while(n--) {
- pboxClipped->x1 = max(box.x1, pbox->x1);
- pboxClipped->y1 = max(box.y1, pbox->y1);
- pboxClipped->x2 = min(box.x2, pbox->x2);
- pboxClipped->y2 = min(box.y2, pbox->y2);
- pbox++;
-
- /* see if clipping left anything */
- if(pboxClipped->x1 < pboxClipped->x2 &&
- pboxClipped->y1 < pboxClipped->y2) {
- pboxClipped++;
- }
- }
- }
- }
-
- return pboxClipped - pboxClippedBase;
-}
-
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "xf86str.h"
+#include "xaa.h"
+#include "xaalocal.h"
+
+static void XAARenderSolidRects(GCPtr, int, BoxPtr, int, int);
+static void XAARenderColor8x8Rects(GCPtr, int, BoxPtr, int, int);
+static void XAARenderMono8x8Rects(GCPtr, int, BoxPtr, int, int);
+static void XAARenderColorExpandRects(GCPtr, int, BoxPtr, int, int);
+static void XAARenderCacheExpandRects(GCPtr, int, BoxPtr, int, int);
+static void XAARenderCacheBltRects(GCPtr, int, BoxPtr, int, int);
+static void XAARenderImageWriteRects(GCPtr, int, BoxPtr, int, int);
+static void XAARenderPixmapCopyRects(GCPtr, int, BoxPtr, int, int);
+
+void
+XAAPolyFillRect(DrawablePtr pDraw, GCPtr pGC, int nrectFill, /* number of rectangles to fill */
+ xRectangle *prectInit /* Pointer to first rectangle to fill */
+ )
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ int xorg = pDraw->x;
+ int yorg = pDraw->y;
+ int type = 0;
+ ClipAndRenderRectsFunc function;
+
+ if ((nrectFill <= 0) || !pGC->planemask)
+ return;
+
+ if (!RegionNumRects(pGC->pCompositeClip))
+ return;
+
+ switch (pGC->fillStyle) {
+ case FillSolid:
+ type = DO_SOLID;
+ break;
+ case FillStippled:
+ type = (*infoRec->StippledFillChooser) (pGC);
+ break;
+ case FillOpaqueStippled:
+ if ((pGC->fgPixel == pGC->bgPixel) && infoRec->FillSolidRects &&
+ CHECK_PLANEMASK(pGC, infoRec->FillSolidRectsFlags) &&
+ CHECK_ROP(pGC, infoRec->FillSolidRectsFlags) &&
+ CHECK_ROPSRC(pGC, infoRec->FillSolidRectsFlags) &&
+ CHECK_FG(pGC, infoRec->FillSolidRectsFlags))
+ type = DO_SOLID;
+ else
+ type = (*infoRec->OpaqueStippledFillChooser) (pGC);
+ break;
+ case FillTiled:
+ type = (*infoRec->TiledFillChooser) (pGC);
+ break;
+ }
+
+ switch (type) {
+ case DO_SOLID:
+ function = XAARenderSolidRects;
+ break;
+ case DO_COLOR_8x8:
+ function = XAARenderColor8x8Rects;
+ break;
+ case DO_MONO_8x8:
+ function = XAARenderMono8x8Rects;
+ break;
+ case DO_CACHE_BLT:
+ function = XAARenderCacheBltRects;
+ break;
+ case DO_COLOR_EXPAND:
+ function = XAARenderColorExpandRects;
+ break;
+ case DO_CACHE_EXPAND:
+ function = XAARenderCacheExpandRects;
+ break;
+ case DO_IMAGE_WRITE:
+ function = XAARenderImageWriteRects;
+ break;
+ case DO_PIXMAP_COPY:
+ function = XAARenderPixmapCopyRects;
+ break;
+ default:
+ (*XAAFallbackOps.PolyFillRect) (pDraw, pGC, nrectFill, prectInit);
+ return;
+ }
+
+ if (xorg | yorg) {
+ int n = nrectFill;
+ xRectangle *prect = prectInit;
+
+ while (n--) {
+ prect->x += xorg;
+ prect->y += yorg;
+ prect++;
+ }
+ }
+
+ XAAClipAndRenderRects(pGC, function, nrectFill, prectInit, xorg, yorg);
+}
+
+ /*********************\
+ | Solid Rects |
+ \*********************/
+
+static void
+XAARenderSolidRects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+
+ (*infoRec->FillSolidRects) (infoRec->pScrn,
+ pGC->fgPixel, pGC->alu, pGC->planemask, nboxes,
+ pClipBoxes);
+}
+
+ /************************\
+ | Mono 8x8 Rects |
+ \************************/
+
+static void
+XAARenderMono8x8Rects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ XAAPixmapPtr pPriv;
+ int fg, bg;
+
+ switch (pGC->fillStyle) {
+ case FillStippled:
+ pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->stipple);
+ fg = pGC->fgPixel;
+ bg = -1;
+ break;
+ case FillOpaqueStippled:
+ pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->stipple);
+ fg = pGC->fgPixel;
+ bg = pGC->bgPixel;
+ break;
+ case FillTiled:
+ pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->tile.pixmap);
+ fg = pPriv->fg;
+ bg = pPriv->bg;
+ break;
+ default: /* Muffle compiler */
+ pPriv = NULL; /* Kaboom */
+ fg = -1;
+ bg = -1;
+ break;
+ }
+
+ (*infoRec->FillMono8x8PatternRects) (infoRec->pScrn,
+ fg, bg, pGC->alu, pGC->planemask,
+ nboxes, pClipBoxes, pPriv->pattern0,
+ pPriv->pattern1,
+ (xorg + pGC->patOrg.x),
+ (yorg + pGC->patOrg.y));
+}
+
+ /*************************\
+ | Color 8x8 Rects |
+ \*************************/
+
+static void
+XAARenderColor8x8Rects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ XAACacheInfoPtr pCache;
+ PixmapPtr pPix;
+ int fg, bg;
+
+ switch (pGC->fillStyle) {
+ case FillStippled:
+ pPix = pGC->stipple;
+ fg = pGC->fgPixel;
+ bg = -1;
+ break;
+ case FillOpaqueStippled:
+ pPix = pGC->stipple;
+ fg = pGC->fgPixel;
+ bg = pGC->bgPixel;
+ break;
+ case FillTiled:
+ pPix = pGC->tile.pixmap;
+ fg = -1;
+ bg = -1;
+ break;
+ default: /* Muffle compiler */
+ pPix = NULL;
+ fg = -1;
+ bg = -1;
+ break;
+ }
+
+ pCache = (*infoRec->CacheColor8x8Pattern) (infoRec->pScrn, pPix, fg, bg);
+ (*infoRec->FillColor8x8PatternRects) (infoRec->pScrn,
+ pGC->alu, pGC->planemask, nboxes,
+ pClipBoxes, (xorg + pGC->patOrg.x),
+ (yorg + pGC->patOrg.y), pCache);
+}
+
+ /****************************\
+ | Color Expand Rects |
+ \****************************/
+
+static void
+XAARenderColorExpandRects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ int fg, bg;
+
+ switch (pGC->fillStyle) {
+ case FillStippled:
+ fg = pGC->fgPixel;
+ bg = -1;
+ break;
+ case FillOpaqueStippled:
+ fg = pGC->fgPixel;
+ bg = pGC->bgPixel;
+ break;
+ default: /* Muffle compiler */
+ fg = -1;
+ bg = -1;
+ break;
+ }
+
+ (*infoRec->FillColorExpandRects) (infoRec->pScrn, fg, bg,
+ pGC->alu, pGC->planemask, nboxes,
+ pClipBoxes, (xorg + pGC->patOrg.x),
+ (yorg + pGC->patOrg.y), pGC->stipple);
+}
+
+ /*************************\
+ | Cache Blt Rects |
+ \*************************/
+
+static void
+XAARenderCacheBltRects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ XAACacheInfoPtr pCache;
+
+ switch (pGC->fillStyle) {
+ case FillStippled:
+ pCache = (*infoRec->CacheStipple) (infoRec->pScrn, pGC->stipple,
+ pGC->fgPixel, -1);
+ break;
+ case FillOpaqueStippled:
+ pCache = (*infoRec->CacheStipple) (infoRec->pScrn, pGC->stipple,
+ pGC->fgPixel, pGC->bgPixel);
+ break;
+ case FillTiled:
+ pCache = (*infoRec->CacheTile) (infoRec->pScrn, pGC->tile.pixmap);
+ break;
+ default: /* Muffle compiler */
+ pCache = NULL;
+ break;
+ }
+
+ (*infoRec->FillCacheBltRects) (infoRec->pScrn, pGC->alu,
+ pGC->planemask, nboxes, pClipBoxes,
+ (xorg + pGC->patOrg.x),
+ (yorg + pGC->patOrg.y), pCache);
+}
+
+ /****************************\
+ | Cache Expand Rects |
+ \****************************/
+
+static void
+XAARenderCacheExpandRects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ int fg, bg;
+
+ switch (pGC->fillStyle) {
+ case FillStippled:
+ fg = pGC->fgPixel;
+ bg = -1;
+ break;
+ case FillOpaqueStippled:
+ fg = pGC->fgPixel;
+ bg = pGC->bgPixel;
+ break;
+ default: /* Muffle compiler */
+ fg = -1;
+ bg = -1;
+ break;
+ }
+
+ (*infoRec->FillCacheExpandRects) (infoRec->pScrn, fg, bg,
+ pGC->alu, pGC->planemask, nboxes,
+ pClipBoxes, (xorg + pGC->patOrg.x),
+ (yorg + pGC->patOrg.y), pGC->stipple);
+}
+
+ /***************************\
+ | Image Write Rects |
+ \***************************/
+
+static void
+XAARenderImageWriteRects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+
+ (*infoRec->FillImageWriteRects) (infoRec->pScrn, pGC->alu,
+ pGC->planemask, nboxes, pClipBoxes,
+ (xorg + pGC->patOrg.x),
+ (yorg + pGC->patOrg.y), pGC->tile.pixmap);
+}
+
+ /***************************\
+ | Pixmap Copy Rects |
+ \***************************/
+
+static void
+XAARenderPixmapCopyRects(GCPtr pGC,
+ int nboxes, BoxPtr pClipBoxes, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ XAACacheInfoPtr pCache = &(infoRec->ScratchCacheInfoRec);
+ XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->tile.pixmap);
+
+ pCache->x = pPriv->offscreenArea->box.x1;
+ pCache->y = pPriv->offscreenArea->box.y1;
+ pCache->w = pCache->orig_w = pPriv->offscreenArea->box.x2 - pCache->x;
+ pCache->h = pCache->orig_h = pPriv->offscreenArea->box.y2 - pCache->y;
+ pCache->trans_color = -1;
+
+ (*infoRec->FillCacheBltRects) (infoRec->pScrn, pGC->alu,
+ pGC->planemask, nboxes, pClipBoxes,
+ (xorg + pGC->patOrg.x),
+ (yorg + pGC->patOrg.y), pCache);
+}
+
+ /************\
+ | Solid |
+ \************/
+
+void
+XAAFillSolidRects(ScrnInfoPtr pScrn, int fg, int rop, unsigned int planemask, int nBox, /* number of rectangles to fill */
+ BoxPtr pBox /* Pointer to first rectangle to fill */
+ )
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ (*infoRec->SetupForSolidFill) (pScrn, fg, rop, planemask);
+ while (nBox--) {
+ (*infoRec->SubsequentSolidFillRect) (pScrn, pBox->x1, pBox->y1,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1);
+ pBox++;
+ }
+ SET_SYNC_FLAG(infoRec);
+}
+
+ /*********************\
+ | 8x8 Mono Patterns |
+ \*********************/
+
+void
+XAAFillMono8x8PatternRectsScreenOrigin(ScrnInfoPtr pScrn,
+ int fg, int bg, int rop,
+ unsigned int planemask,
+ int nBox,
+ BoxPtr pBox,
+ int pattern0, int pattern1,
+ int xorigin, int yorigin)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int patx = pattern0, paty = pattern1;
+ int xorg = (-xorigin) & 0x07;
+ int yorg = (-yorigin) & 0x07;
+
+ if (infoRec->Mono8x8PatternFillFlags & HARDWARE_PATTERN_PROGRAMMED_BITS) {
+ if (!(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_ORIGIN)) {
+ XAARotateMonoPattern(&patx, &paty, xorg, yorg,
+ (infoRec->Mono8x8PatternFillFlags &
+ BIT_ORDER_IN_BYTE_MSBFIRST));
+ xorg = patx;
+ yorg = paty;
+ }
+ }
+ else {
+ XAACacheInfoPtr pCache =
+ (*infoRec->CacheMono8x8Pattern) (pScrn, pattern0, pattern1);
+ patx = pCache->x;
+ paty = pCache->y;
+ if (!(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_ORIGIN)) {
+ int slot = (yorg << 3) + xorg;
+
+ patx += pCache->offsets[slot].x;
+ paty += pCache->offsets[slot].y;
+ xorg = patx;
+ yorg = paty;
+ }
+ }
+
+ (*infoRec->SetupForMono8x8PatternFill) (pScrn, patx, paty,
+ fg, bg, rop, planemask);
+
+ while (nBox--) {
+ (*infoRec->SubsequentMono8x8PatternFillRect) (pScrn,
+ xorg, yorg, pBox->x1,
+ pBox->y1,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1);
+ pBox++;
+ }
+ SET_SYNC_FLAG(infoRec);
+}
+
+void
+XAAFillMono8x8PatternRects(ScrnInfoPtr pScrn,
+ int fg, int bg, int rop,
+ unsigned int planemask,
+ int nBox,
+ BoxPtr pBox,
+ int pattern0, int pattern1, int xorigin, int yorigin)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int patx = pattern0, paty = pattern1;
+ int xorg, yorg;
+ XAACacheInfoPtr pCache = NULL;
+
+ if (!(infoRec->Mono8x8PatternFillFlags & HARDWARE_PATTERN_PROGRAMMED_BITS)) {
+ pCache = (*infoRec->CacheMono8x8Pattern) (pScrn, pattern0, pattern1);
+ patx = pCache->x;
+ paty = pCache->y;
+ }
+
+ (*infoRec->SetupForMono8x8PatternFill) (pScrn, patx, paty,
+ fg, bg, rop, planemask);
+
+ while (nBox--) {
+ xorg = (pBox->x1 - xorigin) & 0x07;
+ yorg = (pBox->y1 - yorigin) & 0x07;
+
+ if (!(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_ORIGIN)) {
+ if (infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_BITS) {
+ patx = pattern0;
+ paty = pattern1;
+ XAARotateMonoPattern(&patx, &paty, xorg, yorg,
+ (infoRec->Mono8x8PatternFillFlags &
+ BIT_ORDER_IN_BYTE_MSBFIRST));
+ xorg = patx;
+ yorg = paty;
+ }
+ else {
+ int slot = (yorg << 3) + xorg;
+
+ xorg = patx + pCache->offsets[slot].x;
+ yorg = paty + pCache->offsets[slot].y;
+ }
+ }
+
+ (*infoRec->SubsequentMono8x8PatternFillRect) (pScrn,
+ xorg, yorg, pBox->x1,
+ pBox->y1,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1);
+ pBox++;
+ }
+
+ SET_SYNC_FLAG(infoRec);
+}
+
+ /**********************\
+ | 8x8 Color Patterns |
+ \**********************/
+
+void
+XAAFillColor8x8PatternRectsScreenOrigin(ScrnInfoPtr pScrn,
+ int rop,
+ unsigned int planemask,
+ int nBox,
+ BoxPtr pBox,
+ int xorigin, int yorigin,
+ XAACacheInfoPtr pCache)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int patx = pCache->x, paty = pCache->y;
+ int xorg = (-xorigin) & 0x07;
+ int yorg = (-yorigin) & 0x07;
+
+ if (!(infoRec->Color8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_ORIGIN)) {
+ int slot = (yorg << 3) + xorg;
+
+ paty += pCache->offsets[slot].y;
+ patx += pCache->offsets[slot].x;
+ xorg = patx;
+ yorg = paty;
+ }
+
+ (*infoRec->SetupForColor8x8PatternFill) (pScrn, patx, paty,
+ rop, planemask,
+ pCache->trans_color);
+
+ while (nBox--) {
+ (*infoRec->SubsequentColor8x8PatternFillRect) (pScrn,
+ xorg, yorg, pBox->x1,
+ pBox->y1,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1);
+ pBox++;
+ }
+ SET_SYNC_FLAG(infoRec);
+}
+
+void
+XAAFillColor8x8PatternRects(ScrnInfoPtr pScrn,
+ int rop,
+ unsigned int planemask,
+ int nBox,
+ BoxPtr pBox,
+ int xorigin, int yorigin, XAACacheInfoPtr pCache)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int xorg, yorg;
+
+ (*infoRec->SetupForColor8x8PatternFill) (pScrn, pCache->x, pCache->y,
+ rop, planemask,
+ pCache->trans_color);
+
+ while (nBox--) {
+ xorg = (pBox->x1 - xorigin) & 0x07;
+ yorg = (pBox->y1 - yorigin) & 0x07;
+
+ if (!(infoRec->Color8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_ORIGIN)) {
+ int slot = (yorg << 3) + xorg;
+
+ yorg = pCache->y + pCache->offsets[slot].y;
+ xorg = pCache->x + pCache->offsets[slot].x;
+ }
+
+ (*infoRec->SubsequentColor8x8PatternFillRect) (pScrn,
+ xorg, yorg, pBox->x1,
+ pBox->y1,
+ pBox->x2 - pBox->x1,
+ pBox->y2 - pBox->y1);
+ pBox++;
+ }
+
+ SET_SYNC_FLAG(infoRec);
+}
+
+ /***************\
+ | Cache Blits |
+ \***************/
+
+void
+XAAFillCacheBltRects(ScrnInfoPtr pScrn,
+ int rop,
+ unsigned int planemask,
+ int nBox,
+ BoxPtr pBox, int xorg, int yorg, XAACacheInfoPtr pCache)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int x, y, phaseY, phaseX, skipleft, height, width, w, blit_w, blit_h;
+
+ (*infoRec->SetupForScreenToScreenCopy) (pScrn, 1, 1, rop, planemask,
+ pCache->trans_color);
+
+ while (nBox--) {
+ y = pBox->y1;
+ phaseY = (y - yorg) % pCache->orig_h;
+ if (phaseY < 0)
+ phaseY += pCache->orig_h;
+ phaseX = (pBox->x1 - xorg) % pCache->orig_w;
+ if (phaseX < 0)
+ phaseX += pCache->orig_w;
+ height = pBox->y2 - y;
+ width = pBox->x2 - pBox->x1;
+
+#if 0
+ if (rop == GXcopy) {
+ while (1) {
+ w = width;
+ skipleft = phaseX;
+ x = pBox->x1;
+ blit_h = pCache->h - phaseY;
+ if (blit_h > height)
+ blit_h = height;
+
+ while (1) {
+ blit_w = pCache->w - skipleft;
+ if (blit_w > w)
+ blit_w = w;
+ (*infoRec->SubsequentScreenToScreenCopy) (pScrn,
+ pCache->x +
+ skipleft,
+ pCache->y +
+ phaseY, x, y,
+ blit_w, blit_h);
+ w -= blit_w;
+ if (!w)
+ break;
+ x += blit_w;
+ skipleft = (skipleft + blit_w) % pCache->orig_w;
+ if (blit_w >= pCache->orig_w)
+ break;
+ }
+
+ /* Expand horizontally */
+ if (w) {
+ skipleft -= phaseX;
+ if (skipleft < 0)
+ skipleft += pCache->orig_w;
+ blit_w = x - pBox->x1 - skipleft;
+ while (w) {
+ if (blit_w > w)
+ blit_w = w;
+ (*infoRec->SubsequentScreenToScreenCopy) (pScrn,
+ pBox->x1 +
+ skipleft, y,
+ x, y, blit_w,
+ blit_h);
+ w -= blit_w;
+ x += blit_w;
+ blit_w <<= 1;
+ }
+ }
+
+ height -= blit_h;
+ if (!height)
+ break;
+ y += blit_h;
+ phaseY = (phaseY + blit_h) % pCache->orig_h;
+ if (blit_h >= pCache->orig_h)
+ break;
+ }
+
+ /* Expand vertically */
+ if (height) {
+ blit_w = pBox->x2 - pBox->x1;
+ phaseY -= (pBox->y1 - yorg) % pCache->orig_h;
+ if (phaseY < 0)
+ phaseY += pCache->orig_h;
+ blit_h = y - pBox->y1 - phaseY;
+ while (height) {
+ if (blit_h > height)
+ blit_h = height;
+ (*infoRec->SubsequentScreenToScreenCopy) (pScrn, pBox->x1,
+ pBox->y1 + phaseY,
+ pBox->x1, y,
+ blit_w, blit_h);
+ height -= blit_h;
+ y += blit_h;
+ blit_h <<= 1;
+ }
+ }
+ }
+ else
+#endif
+ {
+ while (1) {
+ w = width;
+ skipleft = phaseX;
+ x = pBox->x1;
+ blit_h = pCache->h - phaseY;
+ if (blit_h > height)
+ blit_h = height;
+
+ while (1) {
+ blit_w = pCache->w - skipleft;
+ if (blit_w > w)
+ blit_w = w;
+ (*infoRec->SubsequentScreenToScreenCopy) (pScrn,
+ pCache->x +
+ skipleft,
+ pCache->y +
+ phaseY, x, y,
+ blit_w, blit_h);
+ w -= blit_w;
+ if (!w)
+ break;
+ x += blit_w;
+ skipleft = (skipleft + blit_w) % pCache->orig_w;
+ }
+ height -= blit_h;
+ if (!height)
+ break;
+ y += blit_h;
+ phaseY = (phaseY + blit_h) % pCache->orig_h;
+ }
+ }
+ pBox++;
+ }
+
+ SET_SYNC_FLAG(infoRec);
+}
+
+ /*******************\
+ | Cache Expansion |
+ \*******************/
+
+void
+XAAFillCacheExpandRects(ScrnInfoPtr pScrn,
+ int fg, int bg, int rop,
+ unsigned int planemask,
+ int nBox,
+ BoxPtr pBox, int xorg, int yorg, PixmapPtr pPix)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int x, y, phaseY, phaseX, skipleft, height, width, w, blit_w, blit_h;
+ int cacheWidth;
+ XAACacheInfoPtr pCache;
+
+ pCache = (*infoRec->CacheMonoStipple) (pScrn, pPix);
+
+ cacheWidth = (pCache->w * pScrn->bitsPerPixel) /
+ infoRec->CacheColorExpandDensity;
+
+ (*infoRec->SetupForScreenToScreenColorExpandFill) (pScrn, fg, bg, rop,
+ planemask);
+
+ while (nBox--) {
+ y = pBox->y1;
+ phaseY = (y - yorg) % pCache->orig_h;
+ if (phaseY < 0)
+ phaseY += pCache->orig_h;
+ phaseX = (pBox->x1 - xorg) % pCache->orig_w;
+ if (phaseX < 0)
+ phaseX += pCache->orig_w;
+ height = pBox->y2 - y;
+ width = pBox->x2 - pBox->x1;
+
+ while (1) {
+ w = width;
+ skipleft = phaseX;
+ x = pBox->x1;
+ blit_h = pCache->h - phaseY;
+ if (blit_h > height)
+ blit_h = height;
+
+ while (1) {
+ blit_w = cacheWidth - skipleft;
+ if (blit_w > w)
+ blit_w = w;
+ (*infoRec->SubsequentScreenToScreenColorExpandFill) (pScrn, x,
+ y, blit_w,
+ blit_h,
+ pCache->x,
+ pCache->y +
+ phaseY,
+ skipleft);
+ w -= blit_w;
+ if (!w)
+ break;
+ x += blit_w;
+ skipleft = (skipleft + blit_w) % pCache->orig_w;
+ }
+ height -= blit_h;
+ if (!height)
+ break;
+ y += blit_h;
+ phaseY = (phaseY + blit_h) % pCache->orig_h;
+ }
+ pBox++;
+ }
+
+ SET_SYNC_FLAG(infoRec);
+}
+
+ /******************\
+ | Image Writes |
+ \******************/
+
+/* This requires all LEFT_EDGE clipping. You get too many problems
+ with reading past the edge of the pattern otherwise */
+
+static void
+WriteColumn(ScrnInfoPtr pScrn,
+ unsigned char *pSrc,
+ int x, int y, int w, int h,
+ int xoff, int yoff, int pHeight, int srcwidth, int Bpp)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ unsigned char *src;
+ Bool PlusOne = FALSE;
+ int skipleft, dwords;
+
+ pSrc += (Bpp * xoff);
+
+ if ((skipleft = (long) pSrc & 0x03L)) {
+ if (Bpp == 3)
+ skipleft = 4 - skipleft;
+ else
+ skipleft /= Bpp;
+
+ x -= skipleft;
+ w += skipleft;
+
+ if (Bpp == 3)
+ pSrc -= 3 * skipleft;
+ else /* is this Alpha friendly ? */
+ pSrc = (unsigned char *) ((long) pSrc & ~0x03L);
+ }
+
+ src = pSrc + (yoff * srcwidth);
+
+ dwords = bytes_to_int32(w * Bpp);
+
+ if ((infoRec->ImageWriteFlags & CPU_TRANSFER_PAD_QWORD) &&
+ ((dwords * h) & 0x01)) {
+ PlusOne = TRUE;
+ }
+
+ (*infoRec->SubsequentImageWriteRect) (pScrn, x, y, w, h, skipleft);
+
+ if (dwords > infoRec->ImageWriteRange) {
+ while (h--) {
+ XAAMoveDWORDS_FixedBase((CARD32 *) infoRec->ImageWriteBase,
+ (CARD32 *) src, dwords);
+ src += srcwidth;
+ yoff++;
+ if (yoff >= pHeight) {
+ yoff = 0;
+ src = pSrc;
+ }
+ }
+ }
+ else {
+ if (srcwidth == (dwords << 2)) {
+ int maxLines = infoRec->ImageWriteRange / dwords;
+ int step;
+
+ while (h) {
+ step = pHeight - yoff;
+ if (step > maxLines)
+ step = maxLines;
+ if (step > h)
+ step = h;
+
+ XAAMoveDWORDS((CARD32 *) infoRec->ImageWriteBase,
+ (CARD32 *) src, dwords * step);
+
+ src += (srcwidth * step);
+ yoff += step;
+ if (yoff >= pHeight) {
+ yoff = 0;
+ src = pSrc;
+ }
+ h -= step;
+ }
+ }
+ else {
+ while (h--) {
+ XAAMoveDWORDS((CARD32 *) infoRec->ImageWriteBase,
+ (CARD32 *) src, dwords);
+ src += srcwidth;
+ yoff++;
+ if (yoff >= pHeight) {
+ yoff = 0;
+ src = pSrc;
+ }
+ }
+ }
+ }
+
+ if (PlusOne) {
+ CARD32 *base = (CARD32 *) infoRec->ImageWriteBase;
+
+ *base = 0x00000000;
+ }
+}
+
+void
+XAAFillImageWriteRects(ScrnInfoPtr pScrn,
+ int rop,
+ unsigned int planemask,
+ int nBox,
+ BoxPtr pBox, int xorg, int yorg, PixmapPtr pPix)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int x, phaseY, phaseX, height, width, blit_w;
+ int pHeight = pPix->drawable.height;
+ int pWidth = pPix->drawable.width;
+ int Bpp = pPix->drawable.bitsPerPixel >> 3;
+ int srcwidth = pPix->devKind;
+
+ (*infoRec->SetupForImageWrite) (pScrn, rop, planemask, -1,
+ pPix->drawable.bitsPerPixel,
+ pPix->drawable.depth);
+
+ while (nBox--) {
+ x = pBox->x1;
+ phaseY = (pBox->y1 - yorg) % pHeight;
+ if (phaseY < 0)
+ phaseY += pHeight;
+ phaseX = (x - xorg) % pWidth;
+ if (phaseX < 0)
+ phaseX += pWidth;
+ height = pBox->y2 - pBox->y1;
+ width = pBox->x2 - x;
+
+ while (1) {
+ blit_w = pWidth - phaseX;
+ if (blit_w > width)
+ blit_w = width;
+
+ WriteColumn(pScrn, pPix->devPrivate.ptr, x, pBox->y1,
+ blit_w, height, phaseX, phaseY, pHeight, srcwidth, Bpp);
+
+ width -= blit_w;
+ if (!width)
+ break;
+ x += blit_w;
+ phaseX = (phaseX + blit_w) % pWidth;
+ }
+ pBox++;
+ }
+
+ if (infoRec->ImageWriteFlags & SYNC_AFTER_IMAGE_WRITE)
+ (*infoRec->Sync) (pScrn);
+ else
+ SET_SYNC_FLAG(infoRec);
+}
+
+ /*************\
+ | Utilities |
+ \*************/
+
+void
+XAAClipAndRenderRects(GCPtr pGC,
+ ClipAndRenderRectsFunc BoxFunc,
+ int nrectFill, xRectangle *prect, int xorg, int yorg)
+{
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ int Right, Bottom, MaxBoxes;
+ BoxPtr pextent, pboxClipped, pboxClippedBase;
+
+ MaxBoxes = infoRec->PreAllocSize / sizeof(BoxRec);
+ pboxClippedBase = (BoxPtr) infoRec->PreAllocMem;
+ pboxClipped = pboxClippedBase;
+
+ if (RegionNumRects(pGC->pCompositeClip) == 1) {
+ pextent = RegionRects(pGC->pCompositeClip);
+ while (nrectFill--) {
+ pboxClipped->x1 = max(pextent->x1, prect->x);
+ pboxClipped->y1 = max(pextent->y1, prect->y);
+
+ Right = (int) prect->x + (int) prect->width;
+ pboxClipped->x2 = min(pextent->x2, Right);
+
+ Bottom = (int) prect->y + (int) prect->height;
+ pboxClipped->y2 = min(pextent->y2, Bottom);
+
+ prect++;
+ if ((pboxClipped->x1 < pboxClipped->x2) &&
+ (pboxClipped->y1 < pboxClipped->y2)) {
+ pboxClipped++;
+ if (pboxClipped >= (pboxClippedBase + MaxBoxes)) {
+ (*BoxFunc) (pGC, MaxBoxes, pboxClippedBase, xorg, yorg);
+ pboxClipped = pboxClippedBase;
+ }
+ }
+ }
+ }
+ else {
+ pextent = RegionExtents(pGC->pCompositeClip);
+ while (nrectFill--) {
+ int n;
+ BoxRec box, *pbox;
+
+ box.x1 = max(pextent->x1, prect->x);
+ box.y1 = max(pextent->y1, prect->y);
+
+ Right = (int) prect->x + (int) prect->width;
+ box.x2 = min(pextent->x2, Right);
+
+ Bottom = (int) prect->y + (int) prect->height;
+ box.y2 = min(pextent->y2, Bottom);
+
+ prect++;
+
+ if ((box.x1 >= box.x2) || (box.y1 >= box.y2))
+ continue;
+
+ n = RegionNumRects(pGC->pCompositeClip);
+ pbox = RegionRects(pGC->pCompositeClip);
+
+ /* clip the rectangle to each box in the clip region
+ this is logically equivalent to calling Intersect()
+ */
+ while (n--) {
+ pboxClipped->x1 = max(box.x1, pbox->x1);
+ pboxClipped->y1 = max(box.y1, pbox->y1);
+ pboxClipped->x2 = min(box.x2, pbox->x2);
+ pboxClipped->y2 = min(box.y2, pbox->y2);
+ pbox++;
+
+ /* see if clipping left anything */
+ if (pboxClipped->x1 < pboxClipped->x2 &&
+ pboxClipped->y1 < pboxClipped->y2) {
+ pboxClipped++;
+ if (pboxClipped >= (pboxClippedBase + MaxBoxes)) {
+ (*BoxFunc) (pGC, MaxBoxes, pboxClippedBase, xorg, yorg);
+ pboxClipped = pboxClippedBase;
+ }
+ }
+ }
+ }
+ }
+
+ if (pboxClipped != pboxClippedBase)
+ (*BoxFunc) (pGC, pboxClipped - pboxClippedBase, pboxClippedBase,
+ xorg, yorg);
+}
+
+int
+XAAGetRectClipBoxes(GCPtr pGC,
+ BoxPtr pboxClippedBase,
+ int nrectFill, xRectangle *prectInit)
+{
+ int Right, Bottom;
+ BoxPtr pextent, pboxClipped = pboxClippedBase;
+ xRectangle *prect = prectInit;
+ RegionPtr prgnClip = pGC->pCompositeClip;
+
+ if (RegionNumRects(prgnClip) == 1) {
+ pextent = RegionRects(prgnClip);
+ while (nrectFill--) {
+ pboxClipped->x1 = max(pextent->x1, prect->x);
+ pboxClipped->y1 = max(pextent->y1, prect->y);
+
+ Right = (int) prect->x + (int) prect->width;
+ pboxClipped->x2 = min(pextent->x2, Right);
+
+ Bottom = (int) prect->y + (int) prect->height;
+ pboxClipped->y2 = min(pextent->y2, Bottom);
+
+ prect++;
+ if ((pboxClipped->x1 < pboxClipped->x2) &&
+ (pboxClipped->y1 < pboxClipped->y2)) {
+ pboxClipped++;
+ }
+ }
+ }
+ else {
+ pextent = RegionExtents(prgnClip);
+ while (nrectFill--) {
+ int n;
+ BoxRec box, *pbox;
+
+ box.x1 = max(pextent->x1, prect->x);
+ box.y1 = max(pextent->y1, prect->y);
+
+ Right = (int) prect->x + (int) prect->width;
+ box.x2 = min(pextent->x2, Right);
+
+ Bottom = (int) prect->y + (int) prect->height;
+ box.y2 = min(pextent->y2, Bottom);
+
+ prect++;
+
+ if ((box.x1 >= box.x2) || (box.y1 >= box.y2))
+ continue;
+
+ n = RegionNumRects(prgnClip);
+ pbox = RegionRects(prgnClip);
+
+ /* clip the rectangle to each box in the clip region
+ this is logically equivalent to calling Intersect()
+ */
+ while (n--) {
+ pboxClipped->x1 = max(box.x1, pbox->x1);
+ pboxClipped->y1 = max(box.y1, pbox->y1);
+ pboxClipped->x2 = min(box.x2, pbox->x2);
+ pboxClipped->y2 = min(box.y2, pbox->y2);
+ pbox++;
+
+ /* see if clipping left anything */
+ if (pboxClipped->x1 < pboxClipped->x2 &&
+ pboxClipped->y1 < pboxClipped->y2) {
+ pboxClipped++;
+ }
+ }
+ }
+ }
+
+ return pboxClipped - pboxClippedBase;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 04:36:43 +0000