summaryrefslogtreecommitdiff
path: root/hw/xfree86/xaa/xaaFillPoly.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/xfree86/xaa/xaaFillPoly.c')
-rw-r--r--hw/xfree86/xaa/xaaFillPoly.c956
1 files changed, 956 insertions, 0 deletions
diff --git a/hw/xfree86/xaa/xaaFillPoly.c b/hw/xfree86/xaa/xaaFillPoly.c
new file mode 100644
index 000000000..164887afe
--- /dev/null
+++ b/hw/xfree86/xaa/xaaFillPoly.c
@@ -0,0 +1,956 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaFillPoly.c,v 1.15 2001/10/28 03:34:04 tsi Exp $ */
+
+/*
+ * Copyright 1996 The XFree86 Project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * HARM HANEMAAYER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+/*
+ * Written by Mark Vojkovich. Loosly based on an original version
+ * written by Harm Hanemaayer (H.Hanemaayer@inter.nl.net) which
+ * only did solid rectangles and didn't have trapezoid support.
+ *
+ */
+
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_ansic.h"
+#include "xf86_OSproc.h"
+
+#include "X.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "xf86str.h"
+#include "mi.h"
+#include "micoord.h"
+
+#include "xaa.h"
+#include "xaalocal.h"
+
+#define POLY_USE_MI 0
+#define POLY_FULLY_CLIPPED 1
+#define POLY_IS_EASY 2
+
+
+#define Setup(c,x,vertex,dx,dy,e,sign,step,DX) {\
+ x = intToX(vertex); \
+ if ((dy = intToY(c) - y)) { \
+ DX = dx = intToX(c) - x; \
+ step = 0; \
+ if (dx >= 0) \
+ { \
+ e = 0; \
+ sign = 1; \
+ if (dx >= dy) {\
+ step = dx / dy; \
+ dx %= dy; \
+ } \
+ } \
+ else \
+ { \
+ e = 1 - dy; \
+ sign = -1; \
+ dx = -dx; \
+ if (dx >= dy) { \
+ step = - (dx / dy); \
+ dx %= dy; \
+ } \
+ } \
+ } \
+ x += origin; \
+ vertex = c; \
+}
+
+#define Step(x,dx,dy,e,sign,step) {\
+ x += step; \
+ if ((e += dx) > 0) \
+ { \
+ x += sign; \
+ e -= dy; \
+ } \
+}
+
+#define FixError(x, dx, dy, e, sign, step, h) { \
+ e += (h) * dx; \
+ x += (h) * step; \
+ if(e > 0) { \
+ x += e * sign/dy; \
+ e %= dy; \
+ if(e) { \
+ x += sign; \
+ e -= dy; \
+ } \
+ } \
+}
+
+
+/*
+ XAAIsEasyPoly -
+
+ Checks CoordModeOrigin one rect polygons to see if we need
+ to use Mi.
+ Returns: POLY_USE_MI, POLY_FULLY_CLIPPED or POLY_IS_EASY
+ as well as the pointer to the "top" point and the y
+ extents.
+*/
+
+int
+XAAIsEasyPolygon(
+ DDXPointPtr ptsIn,
+ int count,
+ BoxPtr extents,
+ int origin,
+ DDXPointPtr *topPoint, /* return */
+ int *topY, int *bottomY, /* return */
+ int shape
+){
+ int c = 0, vertex1, vertex2;
+
+ *topY = 32767;
+ *bottomY = 0;
+
+ origin -= (origin & 0x8000) << 1;
+ vertex1 = *((int *) &extents->x1) - origin;
+ vertex2 = *((int *) &extents->x2) - origin /* - 0x00010001 */;
+ /* I think this was an error in cfb ^ */
+
+ if (shape == Convex) {
+ while (count--) {
+ c = *((int*)ptsIn);
+ if (((c - vertex1) | (vertex2 - c)) & 0x80008000)
+ return POLY_USE_MI;
+
+ c = intToY(c);
+ if (c < *topY) {
+ *topY = c;
+ *topPoint = ptsIn;
+ }
+ ptsIn++;
+ if (c > *bottomY) *bottomY = c;
+ }
+ } else {
+ int yFlip = 0;
+ int dx2, dx1, x1, x2;
+
+ x2 = x1 = -1;
+ dx2 = dx1 = 1;
+
+ while (count--) {
+ c = *((int*)ptsIn);
+ if (((c - vertex1) | (vertex2 - c)) & 0x80008000)
+ return POLY_USE_MI;
+ c = intToY(c);
+ if (c < *topY) {
+ *topY = c;
+ *topPoint = ptsIn;
+ }
+ ptsIn++;
+ if (c > *bottomY) *bottomY = c;
+ if (c == x1)
+ continue;
+ if (dx1 > 0) {
+ if (x2 < 0) x2 = c;
+ else dx2 = dx1 = (c - x1) >> 31;
+ } else if ((c - x1) >> 31 != dx1) {
+ dx1 = ~dx1;
+ yFlip++;
+ }
+ x1 = c;
+ }
+ x1 = (x2 - c) >> 31;
+ if (x1 != dx1) yFlip++;
+ if (x1 != dx2) yFlip++;
+ if (yFlip != 2) {
+ if(*topY == *bottomY)
+ return POLY_FULLY_CLIPPED;
+ else
+ return POLY_USE_MI;
+ }
+ }
+ if (*topY == *bottomY)
+ return POLY_FULLY_CLIPPED;
+
+ return POLY_IS_EASY;
+}
+
+void
+XAAFillPolygonSolid(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int shape,
+ int mode,
+ int count,
+ DDXPointPtr ptsIn
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ int origin, vertex1, vertex2;
+ int *vertex1p, *vertex2p, *endp;
+ int x1 = 0, x2 = 0;
+ int dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
+ int DX1 = 0, DX2 = 0, e1 = 0, e2 = 0;
+ int step1 = 0, step2 = 0, sign1 = 0, sign2 = 0;
+ int c, y, maxy, h, yoffset;
+ DDXPointPtr topPoint;
+
+ if(!REGION_NUM_RECTS(pGC->pCompositeClip))
+ return;
+
+ if (mode == CoordModePrevious) {
+ register DDXPointPtr ppt = ptsIn + 1;
+
+ for (origin = 1; origin < count; origin++, ppt++) {
+ ppt->x += (ppt-1)->x;
+ ppt->y += (ppt-1)->y;
+ }
+ mode = CoordModeOrigin;
+ }
+
+ if (REGION_NUM_RECTS(pGC->pCompositeClip) != 1) {
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ return;
+ }
+
+ origin = coordToInt(pDraw->x, pDraw->y);
+
+ switch( XAAIsEasyPolygon(ptsIn, count, &pGC->pCompositeClip->extents,
+ origin, &topPoint, &y, &maxy, shape) ) {
+ case POLY_USE_MI:
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ case POLY_FULLY_CLIPPED:
+ return;
+ }
+
+ endp = (int*)ptsIn + count;
+ vertex2p = vertex1p = (int *)topPoint;
+ origin = pDraw->x;
+ yoffset = pDraw->y;
+ vertex2 = vertex1 = *vertex2p++;
+ if (vertex2p == endp)
+ vertex2p = (int *) ptsIn;
+
+ (*infoRec->SetupForSolidFill)(infoRec->pScrn, pGC->fgPixel, pGC->alu,
+ pGC->planemask);
+
+ while(1) {
+ if (y == intToY(vertex1)) {
+ do {
+ if (vertex1p == (int *) ptsIn)
+ vertex1p = endp;
+ c = *--vertex1p;
+ Setup (c,x1,vertex1,dx1,dy1,e1,sign1,step1,DX1)
+ } while (y >= intToY(vertex1));
+ h = dy1;
+ } else {
+ Step(x1,dx1,dy1,e1,sign1,step1)
+ h = intToY(vertex1) - y;
+ }
+ if (y == intToY(vertex2)) {
+ do {
+ c = *vertex2p++;
+ if (vertex2p == endp)
+ vertex2p = (int *) ptsIn;
+ Setup (c,x2,vertex2,dx2,dy2,e2,sign2,step2,DX2)
+ } while (y >= intToY(vertex2));
+ if (dy2 < h)
+ h = dy2;
+ } else {
+ Step(x2,dx2,dy2,e2,sign2,step2)
+ if ((c = (intToY(vertex2) - y)) < h)
+ h = c;
+ }
+
+ /* fill spans for this segment */
+ if(DX1 | DX2) {
+ if(infoRec->SubsequentSolidFillTrap && (h > 6)) {
+ if(x1 == x2) {
+ while(x1 == x2) {
+ y++;
+ if (!--h) break;
+ Step(x1,dx1,dy1,e1,sign1,step1)
+ Step(x2,dx2,dy2,e2,sign2,step2)
+ }
+ if(y == maxy) break;
+ if(!h) continue;
+ }
+
+ if(x1 < x2)
+ (*infoRec->SubsequentSolidFillTrap)(infoRec->pScrn,
+ y + yoffset, h,
+ x1, DX1, dy1, e1,
+ x2 - 1, DX2, dy2, e2);
+ else
+ (*infoRec->SubsequentSolidFillTrap)(infoRec->pScrn,
+ y + yoffset, h,
+ x2, DX2, dy2, e2,
+ x1 - 1, DX1, dy1, e1);
+ y += h;
+ if(--h) {
+ FixError(x1,dx1,dy1,e1,sign1,step1,h);
+ FixError(x2,dx2,dy2,e2,sign2,step2,h);
+ h = 0;
+ }
+ } else {
+ while(1) {
+ if (x2 > x1)
+ (*infoRec->SubsequentSolidFillRect)(infoRec->pScrn,
+ x1, y + yoffset, x2 - x1, 1);
+ else if (x1 > x2)
+ (*infoRec->SubsequentSolidFillRect)(infoRec->pScrn,
+ x2, y + yoffset, x1 - x2, 1);
+ y++;
+ if (!--h) break;
+ Step(x1,dx1,dy1,e1,sign1,step1)
+ Step(x2,dx2,dy2,e2,sign2,step2)
+ }
+ }
+ } else {
+ if (x2 > x1)
+ (*infoRec->SubsequentSolidFillRect)(infoRec->pScrn,
+ x1, y + yoffset, x2 - x1, h);
+ else if (x1 > x2)
+ (*infoRec->SubsequentSolidFillRect)(infoRec->pScrn,
+ x2, y + yoffset, x1 - x2, h);
+
+ y += h;
+ h = 0;
+ }
+ if (y == maxy) break;
+ }
+ SET_SYNC_FLAG(infoRec);
+}
+
+
+
+
+void
+XAAFillPolygonHelper(
+ ScrnInfoPtr pScrn,
+ DDXPointPtr ptsIn,
+ int count,
+ DDXPointPtr topPoint,
+ int y,
+ int maxy,
+ int origin,
+ RectFuncPtr RectFunc,
+ TrapFuncPtr TrapFunc,
+ int xorg,
+ int yorg,
+ XAACacheInfoPtr pCache
+){
+ int *vertex1p, *vertex2p, *endp;
+ int vertex1, vertex2;
+ int x1 = 0, x2 = 0;
+ int dx1 = 0, dx2 = 0, dy1 = 0, dy2 = 0;
+ int DX1 = 0, DX2 = 0, e1 = 0, e2 = 0;
+ int step1 = 0, step2 = 0, sign1 = 0, sign2 = 0;
+ int c, h, yoffset;
+
+
+ endp = (int*)ptsIn + count;
+ vertex2p = vertex1p = (int *)topPoint;
+ yoffset = intToY(origin);
+ origin = intToX(origin);
+ vertex2 = vertex1 = *vertex2p++;
+ if (vertex2p == endp)
+ vertex2p = (int *)ptsIn;
+
+ while(1) {
+ if (y == intToY(vertex1)) {
+ do {
+ if (vertex1p == (int *) ptsIn)
+ vertex1p = endp;
+ c = *--vertex1p;
+ Setup (c,x1,vertex1,dx1,dy1,e1,sign1,step1,DX1)
+ } while (y >= intToY(vertex1));
+ h = dy1;
+ } else {
+ Step(x1,dx1,dy1,e1,sign1,step1)
+ h = intToY(vertex1) - y;
+ }
+ if (y == intToY(vertex2)) {
+ do {
+ c = *vertex2p++;
+ if (vertex2p == endp)
+ vertex2p = (int *) ptsIn;
+ Setup (c,x2,vertex2,dx2,dy2,e2,sign2,step2,DX2)
+ } while (y >= intToY(vertex2));
+ if (dy2 < h)
+ h = dy2;
+ } else {
+ Step(x2,dx2,dy2,e2,sign2,step2)
+ if ((c = (intToY(vertex2) - y)) < h)
+ h = c;
+ }
+
+ /* fill spans for this segment */
+ if(DX1 | DX2) {
+ if(TrapFunc && (h > 6)) {
+ if(x1 == x2) {
+ while(x1 == x2) {
+ y++;
+ if (!--h) break;
+ Step(x1,dx1,dy1,e1,sign1,step1)
+ Step(x2,dx2,dy2,e2,sign2,step2)
+ }
+ if(y == maxy) break;
+ if(!h) continue;
+ }
+
+ if(x1 < x2)
+ (*TrapFunc)(pScrn, y + yoffset, h,
+ x1, DX1, dy1, e1,
+ x2 - 1, DX2, dy2, e2, xorg, yorg, pCache);
+ else
+ (*TrapFunc)(pScrn, y + yoffset, h,
+ x2, DX2, dy2, e2,
+ x1 - 1, DX1, dy1, e1, xorg, yorg, pCache);
+ y += h;
+ if(--h) {
+ FixError(x1,dx1,dy1,e1,sign1,step1,h);
+ FixError(x2,dx2,dy2,e2,sign2,step2,h);
+ h = 0;
+ }
+ } else {
+ while(1) {
+ if (x2 > x1)
+ (*RectFunc)(pScrn,
+ x1, y + yoffset, x2 - x1, 1, xorg, yorg, pCache);
+ else if (x1 > x2)
+ (*RectFunc)(pScrn,
+ x2, y + yoffset, x1 - x2, 1, xorg, yorg, pCache);
+ y++;
+ if (!--h) break;
+ Step(x1,dx1,dy1,e1,sign1,step1)
+ Step(x2,dx2,dy2,e2,sign2,step2)
+ }
+ }
+ } else {
+ if (x2 > x1)
+ (*RectFunc)(pScrn,
+ x1, y + yoffset, x2 - x1, h, xorg, yorg, pCache);
+ else if (x1 > x2)
+ (*RectFunc)(pScrn,
+ x2, y + yoffset, x1 - x2, h, xorg, yorg, pCache);
+
+ y += h;
+ h = 0;
+ }
+ if (y == maxy) break;
+ }
+}
+
+ /*****************\
+ | Solid Helpers |
+ \*****************/
+
+static void
+SolidTrapHelper(
+ ScrnInfoPtr pScrn,
+ int y, int h,
+ int x1, int dx1, int dy1, int e1,
+ int x2, int dx2, int dy2, int e2,
+ int xorg, int yorg,
+ XAACacheInfoPtr pCache
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ (*infoRec->SubsequentSolidFillTrap) (pScrn,
+ y, h, x1, dx1, dy1, e1, x2, dx2, dy2, e2);
+}
+
+static void
+SolidRectHelper (
+ ScrnInfoPtr pScrn,
+ int x, int y, int w, int h,
+ int xorg, int yorg,
+ XAACacheInfoPtr pCache
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ (*infoRec->SubsequentSolidFillRect) (pScrn, x, y, w, h);
+}
+
+
+ /*********************\
+ | Mono 8x8 Patterns |
+ \*********************/
+
+static void
+Mono8x8PatternTrapHelper_ScreenOrigin(
+ ScrnInfoPtr pScrn,
+ int y, int h,
+ int x1, int dx1, int dy1, int e1,
+ int x2, int dx2, int dy2, int e2,
+ int xorg, int yorg,
+ XAACacheInfoPtr pCache
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ (*infoRec->SubsequentMono8x8PatternFillTrap) (pScrn, xorg, yorg,
+ y, h, x1, dx1, dy1, e1, x2, dx2, dy2, e2);
+}
+
+static void
+Mono8x8PatternRectHelper_ScreenOrigin (
+ ScrnInfoPtr pScrn,
+ int x, int y, int w, int h,
+ int xorg, int yorg,
+ XAACacheInfoPtr pCache
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ (*infoRec->SubsequentMono8x8PatternFillRect) (pScrn, xorg, yorg,
+ x, y, w, h);
+}
+
+static void
+Mono8x8PatternRectHelper (
+ ScrnInfoPtr pScrn,
+ int x, int y, int w, int h,
+ int xorg, int yorg,
+ XAACacheInfoPtr pCache
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+
+ xorg = (x - xorg) & 0x07;
+ yorg = (y - yorg) & 0x07;
+
+ if(!(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_ORIGIN)){
+ if(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_BITS) {
+ int patx = pCache->pat0;
+ int paty = pCache->pat1;
+ XAARotateMonoPattern(&patx, &paty, xorg, yorg,
+ (infoRec->Mono8x8PatternFillFlags &
+ BIT_ORDER_IN_BYTE_MSBFIRST));
+ xorg = patx; yorg = paty;
+ } else {
+ int slot = (yorg << 3) + xorg;
+ xorg = pCache->x + pCache->offsets[slot].x;
+ yorg = pCache->y + pCache->offsets[slot].y;
+ }
+ }
+
+
+ (*infoRec->SubsequentMono8x8PatternFillRect) (pScrn, xorg, yorg,
+ x, y, w, h);
+}
+
+
+
+ /****************\
+ | Cache Expand |
+ \****************/
+
+
+static void
+CacheExpandRectHelper (
+ ScrnInfoPtr pScrn,
+ int X, int Y, int Width, int Height,
+ int xorg, int yorg,
+ XAACacheInfoPtr pCache
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int x, phaseY, phaseX, skipleft, w, blit_w, blit_h;
+ int cacheWidth;
+
+ cacheWidth = (pCache->w * pScrn->bitsPerPixel) /
+ infoRec->CacheColorExpandDensity;
+
+ phaseY = (Y - yorg) % pCache->orig_h;
+ if(phaseY < 0) phaseY += pCache->orig_h;
+ phaseX = (X - xorg) % pCache->orig_w;
+ if(phaseX < 0) phaseX += pCache->orig_w;
+
+ while(1) {
+ w = Width; skipleft = phaseX; x = X;
+ 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;
+ }
+}
+
+
+
+ /**************\
+ | Cache Blit |
+ \**************/
+
+
+static void
+CacheBltRectHelper (
+ ScrnInfoPtr pScrn,
+ int X, int Y, int Width, int Height,
+ int xorg, int yorg,
+ XAACacheInfoPtr pCache
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
+ int x, phaseY, phaseX, skipleft, w, blit_w, blit_h;
+
+ phaseY = (Y - yorg) % pCache->orig_h;
+ if(phaseY < 0) phaseY += pCache->orig_h;
+ phaseX = (X - xorg) % pCache->orig_w;
+ if(phaseX < 0) phaseX += pCache->orig_w;
+
+ while(1) {
+ w = Width; skipleft = phaseX; x = X;
+ 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;
+ }
+}
+
+
+ /**********************\
+ | Stippled Polygons |
+ \**********************/
+
+
+void
+XAAFillPolygonStippled(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int shape,
+ int mode,
+ int count,
+ DDXPointPtr ptsIn
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->stipple);
+ int origin, type, patx, paty, fg, bg;
+ int y, maxy, xorg, yorg;
+ DDXPointPtr topPoint;
+ XAACacheInfoPtr pCache = NULL;
+ RectFuncPtr RectFunc = NULL;
+ TrapFuncPtr TrapFunc = NULL;
+
+ if(!REGION_NUM_RECTS(pGC->pCompositeClip))
+ return;
+
+ if (mode == CoordModePrevious) {
+ register DDXPointPtr ppt = ptsIn + 1;
+
+ for (origin = 1; origin < count; origin++, ppt++) {
+ ppt->x += (ppt-1)->x;
+ ppt->y += (ppt-1)->y;
+ }
+ mode = CoordModeOrigin;
+ }
+
+ if (REGION_NUM_RECTS(pGC->pCompositeClip) != 1) {
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ return;
+ }
+
+
+ if(pGC->fillStyle == FillStippled) {
+ type = (*infoRec->StippledFillChooser)(pGC);
+ fg = pGC->fgPixel; bg = -1;
+ } else {
+ type = (*infoRec->OpaqueStippledFillChooser)(pGC);
+ fg = pGC->fgPixel; bg = pGC->bgPixel;
+ }
+
+
+ if(!type) {
+ (*XAAFallbackOps.FillPolygon)(pDraw, pGC, shape, mode, count, ptsIn);
+ return;
+ }
+
+ if((type == DO_COLOR_EXPAND) || (type == DO_COLOR_8x8)) {
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ return;
+ }
+
+ origin = *((int *)&pDraw->x);
+
+ switch( XAAIsEasyPolygon(ptsIn, count, &pGC->pCompositeClip->extents,
+ origin, &topPoint, &y, &maxy, shape) ) {
+ case POLY_USE_MI:
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ case POLY_FULLY_CLIPPED:
+ return;
+ }
+
+ xorg = (pDraw->x + pGC->patOrg.x);
+ yorg = (pDraw->y + pGC->patOrg.y);
+
+
+ if((fg == bg) && (bg != -1) && infoRec->SetupForSolidFill) {
+
+ (*infoRec->SetupForSolidFill)(infoRec->pScrn, fg,
+ pGC->alu, pGC->planemask);
+
+ RectFunc = SolidRectHelper;
+ TrapFunc = infoRec->SubsequentSolidFillTrap ? SolidTrapHelper : NULL;
+ } else
+ switch(type) {
+ case DO_MONO_8x8:
+ patx = pPriv->pattern0; paty = pPriv->pattern1;
+ if(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_SCREEN_ORIGIN) {
+ xorg = (-xorg) & 0x07; yorg = (-yorg) & 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)(
+ infoRec->pScrn, patx, paty);
+ 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;
+ }
+ }
+ RectFunc = Mono8x8PatternRectHelper_ScreenOrigin;
+ if(infoRec->SubsequentMono8x8PatternFillTrap)
+ TrapFunc = Mono8x8PatternTrapHelper_ScreenOrigin;
+ } else { /* !HARDWARE_PATTERN_SCREEN_ORIGIN */
+ if(!(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_BITS)){
+ pCache = (*infoRec->CacheMono8x8Pattern)(
+ infoRec->pScrn, patx, paty);
+ patx = pCache->x; paty = pCache->y;
+ }
+ RectFunc = Mono8x8PatternRectHelper;
+ }
+
+ (*infoRec->SetupForMono8x8PatternFill)(infoRec->pScrn,
+ patx, paty, fg, bg, pGC->alu, pGC->planemask);
+ break;
+ case DO_CACHE_EXPAND:
+ pCache = (*infoRec->CacheMonoStipple)(infoRec->pScrn, pGC->stipple);
+
+ (*infoRec->SetupForScreenToScreenColorExpandFill)(
+ infoRec->pScrn, fg, bg, pGC->alu, pGC->planemask);
+
+ RectFunc = CacheExpandRectHelper;
+ break;
+ case DO_CACHE_BLT:
+ pCache = (*infoRec->CacheStipple)(infoRec->pScrn, pGC->stipple,
+ fg, bg);
+ (*infoRec->SetupForScreenToScreenCopy)(infoRec->pScrn, 1, 1,
+ pGC->alu, pGC->planemask, pCache->trans_color);
+
+ RectFunc = CacheBltRectHelper;
+ break;
+ default:
+ return;
+ }
+
+
+ XAAFillPolygonHelper(infoRec->pScrn, ptsIn, count, topPoint,
+ y, maxy, origin, RectFunc, TrapFunc, xorg, yorg, pCache);
+
+ SET_SYNC_FLAG(infoRec);
+}
+
+
+
+
+ /*******************\
+ | Tiled Polygons |
+ \*******************/
+
+
+void
+XAAFillPolygonTiled(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int shape,
+ int mode,
+ int count,
+ DDXPointPtr ptsIn
+){
+ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
+ XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pGC->tile.pixmap);
+ int origin, type, patx, paty;
+ int y, maxy, xorg, yorg;
+ DDXPointPtr topPoint;
+ XAACacheInfoPtr pCache = NULL;
+ RectFuncPtr RectFunc = NULL;
+ TrapFuncPtr TrapFunc = NULL;
+
+ if(!REGION_NUM_RECTS(pGC->pCompositeClip))
+ return;
+
+ if (mode == CoordModePrevious) {
+ register DDXPointPtr ppt = ptsIn + 1;
+
+ for (origin = 1; origin < count; origin++, ppt++) {
+ ppt->x += (ppt-1)->x;
+ ppt->y += (ppt-1)->y;
+ }
+ mode = CoordModeOrigin;
+ }
+
+ if (REGION_NUM_RECTS(pGC->pCompositeClip) != 1) {
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ return;
+ }
+
+
+ type = (*infoRec->TiledFillChooser)(pGC);
+
+ if(!type || (type == DO_IMAGE_WRITE)) {
+ (*XAAFallbackOps.FillPolygon)(pDraw, pGC, shape, mode, count, ptsIn);
+ return;
+ }
+
+ if(type == DO_COLOR_8x8) {
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ return;
+ }
+
+ origin = *((int *)&pDraw->x);
+
+ switch( XAAIsEasyPolygon(ptsIn, count, &pGC->pCompositeClip->extents,
+ origin, &topPoint, &y, &maxy, shape) ) {
+ case POLY_USE_MI:
+ miFillPolygon (pDraw, pGC, shape, mode, count, ptsIn);
+ case POLY_FULLY_CLIPPED:
+ return;
+ }
+
+ xorg = (pDraw->x + pGC->patOrg.x);
+ yorg = (pDraw->y + pGC->patOrg.y);
+
+ switch(type) {
+ case DO_MONO_8x8:
+ patx = pPriv->pattern0; paty = pPriv->pattern1;
+ if(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_SCREEN_ORIGIN) {
+ xorg = (-xorg) & 0x07; yorg = (-yorg) & 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)(
+ infoRec->pScrn, patx, paty);
+ 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;
+ }
+ }
+ RectFunc = Mono8x8PatternRectHelper_ScreenOrigin;
+ if(infoRec->SubsequentMono8x8PatternFillTrap)
+ TrapFunc = Mono8x8PatternTrapHelper_ScreenOrigin;
+ } else { /* !HARDWARE_PATTERN_SCREEN_ORIGIN */
+ if(!(infoRec->Mono8x8PatternFillFlags &
+ HARDWARE_PATTERN_PROGRAMMED_BITS)){
+ pCache = (*infoRec->CacheMono8x8Pattern)(
+ infoRec->pScrn, patx, paty);
+ patx = pCache->x; paty = pCache->y;
+ }
+ else {
+ pCache = &(infoRec->ScratchCacheInfoRec);
+ pCache->pat0 = patx;
+ pCache->pat1 = paty;
+ }
+ RectFunc = Mono8x8PatternRectHelper;
+ }
+
+ (*infoRec->SetupForMono8x8PatternFill)(infoRec->pScrn,
+ patx, paty, pPriv->fg, pPriv->bg, pGC->alu, pGC->planemask);
+ break;
+ case DO_CACHE_BLT:
+ pCache = (*infoRec->CacheTile)(infoRec->pScrn, pGC->tile.pixmap);
+ (*infoRec->SetupForScreenToScreenCopy)(infoRec->pScrn, 1, 1,
+ pGC->alu, pGC->planemask, -1);
+
+ RectFunc = CacheBltRectHelper;
+ break;
+ case DO_PIXMAP_COPY:
+ pCache = &(infoRec->ScratchCacheInfoRec);
+ 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;
+
+ (*infoRec->SetupForScreenToScreenCopy)(infoRec->pScrn, 1, 1,
+ pGC->alu, pGC->planemask, -1);
+
+ RectFunc = CacheBltRectHelper;
+ break;
+ default:
+ return;
+ }
+
+ XAAFillPolygonHelper(infoRec->pScrn, ptsIn, count, topPoint,
+ y, maxy, origin, RectFunc, TrapFunc, xorg, yorg, pCache);
+
+ SET_SYNC_FLAG(infoRec);
+}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 12:35:23 +0000