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author | marha <marha@users.sourceforge.net> | 2012-03-23 10:05:55 +0100 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-03-23 10:05:55 +0100 |
commit | 0f834b91a4768673833ab4917e87d86c237bb1a6 (patch) | |
tree | 363489504ed4b2d360259b8de4c9e392918e5d02 /xorg-server/hw/xfree86/xaa/xaaTEText.c | |
parent | fc72edebf875378459368c5383d9023730cbca54 (diff) | |
download | vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.tar.gz vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.tar.bz2 vcxsrv-0f834b91a4768673833ab4917e87d86c237bb1a6.zip |
libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update
23 Mar 2012
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaTEText.c')
-rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaTEText.c | 606 |
1 files changed, 295 insertions, 311 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaTEText.c b/xorg-server/hw/xfree86/xaa/xaaTEText.c index 2cc5fc1e6..a5ef44768 100644 --- a/xorg-server/hw/xfree86/xaa/xaaTEText.c +++ b/xorg-server/hw/xfree86/xaa/xaaTEText.c @@ -1,311 +1,295 @@ -
-/********************************************************************
-
- In this file we have GC level replacements for PolyText8/16,
- ImageText8/16, ImageGlyphBlt and PolyGlyphBlt for TE (fixed) fonts.
- The idea is that everything in this file is device independent.
- The mentioned GCOps are merely wrappers for XAAGlyphBltTEColorExpansion
- which calculates the boxes containing arbitrarily clipped text
- and passes them to the TEGlyphRenderer which will usually be a lower
- level XAA function which renders these clipped glyphs using
- the basic color expansion functions exported by the chipset driver.
- The TEGlyphRenderer itself may optionally be driver supplied to
- facilitate work-arounds/optimizations at a higher level than usual.
-
- v1.0 - Mark Vojkovich (mvojkovi@ucsd.edu)
-
-
-********************************************************************/
-
-#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 <X11/fonts/font.h>
-#include "scrnintstr.h"
-#include "dixfontstr.h"
-#include "xf86str.h"
-#include "xaa.h"
-#include "xaalocal.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-
-
-static void XAAGlyphBltTEColorExpansion(ScrnInfoPtr pScrn, int xInit,
- int yInit, FontPtr font, int fg, int bg, int rop,
- unsigned int planemask, RegionPtr cclip, int nglyph,
- unsigned char* gBase, CharInfoPtr *ppci);
-
-
-/********************************************************************
-
- GC level replacements for PolyText8/16 and ImageText8/16
- for TE fonts when using color expansion.
-
-********************************************************************/
-
-
-int
-XAAPolyText8TEColorExpansion(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x, int y,
- int count,
- char *chars )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- unsigned long n;
-
- (*pGC->font->get_glyphs)(pGC->font, (unsigned long)count,
- (unsigned char *)chars, Linear8Bit, &n, infoRec->CharInfo);
-
- /* we have divorced XAAGlyphBltTEColorExpansion from the drawable */
- if(n) XAAGlyphBltTEColorExpansion(
- infoRec->pScrn, x + pDraw->x, y + pDraw->y,
- pGC->font, pGC->fgPixel, -1, pGC->alu, pGC->planemask,
- pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), infoRec->CharInfo);
-
- return (x + (n * FONTMAXBOUNDS(pGC->font, characterWidth)));
-}
-
-
-int
-XAAPolyText16TEColorExpansion(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x, int y,
- int count,
- unsigned short *chars )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- unsigned long n;
-
- (*pGC->font->get_glyphs)(
- pGC->font, (unsigned long)count, (unsigned char *)chars,
- (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit,
- &n, infoRec->CharInfo);
-
- if(n) XAAGlyphBltTEColorExpansion(
- infoRec->pScrn, x + pDraw->x, y + pDraw->y,
- pGC->font, pGC->fgPixel, -1, pGC->alu, pGC->planemask,
- pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), infoRec->CharInfo);
-
- return (x + (n * FONTMAXBOUNDS(pGC->font, characterWidth)));
-}
-
-
-void
-XAAImageText8TEColorExpansion(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x, int y,
- int count,
- char *chars )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- unsigned long n;
-
- if(!RegionNumRects(pGC->pCompositeClip))
- return;
-
- (*pGC->font->get_glyphs)(pGC->font, (unsigned long)count,
- (unsigned char *)chars, Linear8Bit, &n, infoRec->CharInfo);
-
- if(n) XAAGlyphBltTEColorExpansion(
- infoRec->pScrn, x + pDraw->x, y + pDraw->y,
- pGC->font, pGC->fgPixel, pGC->bgPixel, GXcopy, pGC->planemask,
- pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), infoRec->CharInfo);
-}
-
-
-void
-XAAImageText16TEColorExpansion(
- DrawablePtr pDraw,
- GCPtr pGC,
- int x, int y,
- int count,
- unsigned short *chars )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- unsigned long n;
-
- if(!RegionNumRects(pGC->pCompositeClip))
- return;
-
- (*pGC->font->get_glyphs)(
- pGC->font, (unsigned long)count, (unsigned char *)chars,
- (FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit,
- &n, infoRec->CharInfo);
-
- if(n) XAAGlyphBltTEColorExpansion(
- infoRec->pScrn, x + pDraw->x, y + pDraw->y,
- pGC->font, pGC->fgPixel, pGC->bgPixel, GXcopy, pGC->planemask,
- pGC->pCompositeClip, n, FONTGLYPHS(pGC->font), infoRec->CharInfo);
-}
-
-
-
-/********************************************************************
-
- GC level replacements for ImageGlyphBlt and PolyGlyphBlt for
- TE fonts when using color expansion.
-
-********************************************************************/
-
-
-void
-XAAImageGlyphBltTEColorExpansion(
- DrawablePtr pDrawable,
- GCPtr pGC,
- int xInit, int yInit,
- unsigned int nglyph,
- CharInfoPtr *ppci,
- pointer pglyphBase )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
-
- if(!RegionNumRects(pGC->pCompositeClip))
- return;
-
- XAAGlyphBltTEColorExpansion(
- infoRec->pScrn, xInit + pDrawable->x, yInit + pDrawable->y,
- pGC->font, pGC->fgPixel, pGC->bgPixel, GXcopy, pGC->planemask,
- pGC->pCompositeClip, nglyph, (unsigned char*)pglyphBase, ppci);
-}
-
-void
-XAAPolyGlyphBltTEColorExpansion(
- DrawablePtr pDrawable,
- GCPtr pGC,
- int xInit, int yInit,
- unsigned int nglyph,
- CharInfoPtr *ppci,
- pointer pglyphBase )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
-
- if(!RegionNumRects(pGC->pCompositeClip))
- return;
-
- XAAGlyphBltTEColorExpansion(
- infoRec->pScrn, xInit + pDrawable->x, yInit + pDrawable->y,
- pGC->font, pGC->fgPixel, -1, pGC->alu, pGC->planemask,
- pGC->pCompositeClip, nglyph, (unsigned char*)pglyphBase, ppci);
-}
-
-
-
-
-/********************************************************************
-
- XAAGlyphBltTEColorExpansion -
-
- This guy computes the clipped pieces of text and sends it to
- the lower-level function which will handle acceleration of
- arbitrarily clipped text.
-
-********************************************************************/
-
-
-static void
-XAAGlyphBltTEColorExpansion(
- ScrnInfoPtr pScrn,
- int xInit, int yInit,
- FontPtr font,
- int fg, int bg,
- int rop,
- unsigned int planemask,
- RegionPtr cclip,
- int nglyph,
- unsigned char* gBase,
- CharInfoPtr *ppci )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn);
- int skippix, skipglyphs;
- int Left, Right, Top, Bottom;
- int LeftEdge, RightEdge, ytop, ybot;
- int nbox = RegionNumRects(cclip);
- BoxPtr pbox = RegionRects(cclip);
- unsigned int **glyphs = NULL;
- int glyphWidth = FONTMAXBOUNDS(font, characterWidth);
-
- /* find the size of the box */
- Left = xInit;
- Right = Left + (glyphWidth * nglyph);
- Top = yInit - FONTASCENT(font);
- Bottom = yInit + FONTDESCENT(font);
-
- /* get into the first band that may contain part of our string */
- while(nbox && (Top >= pbox->y2)) {
- pbox++; nbox--;
- }
-
- /* stop when the lower edge of the box is beyond our string */
- while(nbox && (Bottom > pbox->y1)) {
- LeftEdge = max(Left, pbox->x1);
- RightEdge = min(Right, pbox->x2);
-
- if(RightEdge > LeftEdge) { /* we have something to draw */
- unsigned int *fallbackBits = NULL;
- ytop = max(Top, pbox->y1);
- ybot = min(Bottom, pbox->y2);
-
- if((skippix = LeftEdge - Left)) {
- skipglyphs = skippix/glyphWidth;
- skippix %= glyphWidth;
- } else skipglyphs = 0;
-
- if(!glyphs) {
- int count;
- glyphs = (unsigned int**)(infoRec->PreAllocMem);
-
- for(count = 0; count < nglyph; count++) {
- glyphs[count] = (unsigned int*)
- FONTGLYPHBITS(gBase,*ppci++);
- if (!glyphs[count]) {
- /* Glyphs with NULL bits do exist in the wild.
- Replace with blank bits in that case */
-
- if (!fallbackBits) {
- int fontHeight = Bottom - Top + 1;
- fallbackBits = calloc(glyphWidth * fontHeight, 1);
- if (!fallbackBits)
- return;
- }
- glyphs[count] = fallbackBits;
- }
- }
-
- /* our new unrolled TE code only writes DWORDS at a time
- so it can read up to 6 characters past the last one
- we're displaying */
- glyphs[count + 0] = glyphs[0];
- glyphs[count + 1] = glyphs[0];
- glyphs[count + 2] = glyphs[0];
- glyphs[count + 3] = glyphs[0];
- glyphs[count + 4] = glyphs[0];
- glyphs[count + 5] = glyphs[0];
- }
-
- /* x, y, w, h, skipleft, skiptop, glyphp, glyphWidth, fg, bg, rop, pm */
-
- (*infoRec->TEGlyphRenderer)( pScrn,
- LeftEdge, ytop, RightEdge - LeftEdge, ybot - ytop,
- skippix, ytop - Top, glyphs + skipglyphs, glyphWidth,
- fg, bg, rop, planemask);
-
- free(fallbackBits);
- }
-
- nbox--; pbox++;
- }
-}
-
-
-
-
+ +/******************************************************************** + + In this file we have GC level replacements for PolyText8/16, + ImageText8/16, ImageGlyphBlt and PolyGlyphBlt for TE (fixed) fonts. + The idea is that everything in this file is device independent. + The mentioned GCOps are merely wrappers for XAAGlyphBltTEColorExpansion + which calculates the boxes containing arbitrarily clipped text + and passes them to the TEGlyphRenderer which will usually be a lower + level XAA function which renders these clipped glyphs using + the basic color expansion functions exported by the chipset driver. + The TEGlyphRenderer itself may optionally be driver supplied to + facilitate work-arounds/optimizations at a higher level than usual. + + v1.0 - Mark Vojkovich (mvojkovi@ucsd.edu) + +********************************************************************/ + +#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 <X11/fonts/font.h> +#include "scrnintstr.h" +#include "dixfontstr.h" +#include "xf86str.h" +#include "xaa.h" +#include "xaalocal.h" +#include "gcstruct.h" +#include "pixmapstr.h" + +static void XAAGlyphBltTEColorExpansion(ScrnInfoPtr pScrn, int xInit, + int yInit, FontPtr font, int fg, int bg, + int rop, unsigned int planemask, + RegionPtr cclip, int nglyph, + unsigned char *gBase, + CharInfoPtr * ppci); + +/******************************************************************** + + GC level replacements for PolyText8/16 and ImageText8/16 + for TE fonts when using color expansion. + +********************************************************************/ + +int +XAAPolyText8TEColorExpansion(DrawablePtr pDraw, + GCPtr pGC, int x, int y, int count, char *chars) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + + (*pGC->font->get_glyphs) (pGC->font, (unsigned long) count, + (unsigned char *) chars, Linear8Bit, &n, + infoRec->CharInfo); + + /* we have divorced XAAGlyphBltTEColorExpansion from the drawable */ + if (n) + XAAGlyphBltTEColorExpansion(infoRec->pScrn, x + pDraw->x, y + pDraw->y, + pGC->font, pGC->fgPixel, -1, pGC->alu, + pGC->planemask, pGC->pCompositeClip, n, + FONTGLYPHS(pGC->font), infoRec->CharInfo); + + return (x + (n * FONTMAXBOUNDS(pGC->font, characterWidth))); +} + +int +XAAPolyText16TEColorExpansion(DrawablePtr pDraw, + GCPtr pGC, + int x, int y, int count, unsigned short *chars) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + + (*pGC->font->get_glyphs) (pGC->font, (unsigned long) count, + (unsigned char *) chars, + (FONTLASTROW(pGC->font) == + 0) ? Linear16Bit : TwoD16Bit, &n, + infoRec->CharInfo); + + if (n) + XAAGlyphBltTEColorExpansion(infoRec->pScrn, x + pDraw->x, y + pDraw->y, + pGC->font, pGC->fgPixel, -1, pGC->alu, + pGC->planemask, pGC->pCompositeClip, n, + FONTGLYPHS(pGC->font), infoRec->CharInfo); + + return (x + (n * FONTMAXBOUNDS(pGC->font, characterWidth))); +} + +void +XAAImageText8TEColorExpansion(DrawablePtr pDraw, + GCPtr pGC, int x, int y, int count, char *chars) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + + if (!RegionNumRects(pGC->pCompositeClip)) + return; + + (*pGC->font->get_glyphs) (pGC->font, (unsigned long) count, + (unsigned char *) chars, Linear8Bit, &n, + infoRec->CharInfo); + + if (n) + XAAGlyphBltTEColorExpansion(infoRec->pScrn, x + pDraw->x, y + pDraw->y, + pGC->font, pGC->fgPixel, pGC->bgPixel, + GXcopy, pGC->planemask, pGC->pCompositeClip, + n, FONTGLYPHS(pGC->font), + infoRec->CharInfo); +} + +void +XAAImageText16TEColorExpansion(DrawablePtr pDraw, + GCPtr pGC, + int x, int y, int count, unsigned short *chars) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + unsigned long n; + + if (!RegionNumRects(pGC->pCompositeClip)) + return; + + (*pGC->font->get_glyphs) (pGC->font, (unsigned long) count, + (unsigned char *) chars, + (FONTLASTROW(pGC->font) == + 0) ? Linear16Bit : TwoD16Bit, &n, + infoRec->CharInfo); + + if (n) + XAAGlyphBltTEColorExpansion(infoRec->pScrn, x + pDraw->x, y + pDraw->y, + pGC->font, pGC->fgPixel, pGC->bgPixel, + GXcopy, pGC->planemask, pGC->pCompositeClip, + n, FONTGLYPHS(pGC->font), + infoRec->CharInfo); +} + +/******************************************************************** + + GC level replacements for ImageGlyphBlt and PolyGlyphBlt for + TE fonts when using color expansion. + +********************************************************************/ + +void +XAAImageGlyphBltTEColorExpansion(DrawablePtr pDrawable, + GCPtr pGC, + int xInit, int yInit, + unsigned int nglyph, + CharInfoPtr * ppci, pointer pglyphBase) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + + if (!RegionNumRects(pGC->pCompositeClip)) + return; + + XAAGlyphBltTEColorExpansion(infoRec->pScrn, xInit + pDrawable->x, + yInit + pDrawable->y, pGC->font, pGC->fgPixel, + pGC->bgPixel, GXcopy, pGC->planemask, + pGC->pCompositeClip, nglyph, + (unsigned char *) pglyphBase, ppci); +} + +void +XAAPolyGlyphBltTEColorExpansion(DrawablePtr pDrawable, + GCPtr pGC, + int xInit, int yInit, + unsigned int nglyph, + CharInfoPtr * ppci, pointer pglyphBase) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); + + if (!RegionNumRects(pGC->pCompositeClip)) + return; + + XAAGlyphBltTEColorExpansion(infoRec->pScrn, xInit + pDrawable->x, + yInit + pDrawable->y, pGC->font, pGC->fgPixel, + -1, pGC->alu, pGC->planemask, + pGC->pCompositeClip, nglyph, + (unsigned char *) pglyphBase, ppci); +} + +/******************************************************************** + + XAAGlyphBltTEColorExpansion - + + This guy computes the clipped pieces of text and sends it to + the lower-level function which will handle acceleration of + arbitrarily clipped text. + +********************************************************************/ + +static void +XAAGlyphBltTEColorExpansion(ScrnInfoPtr pScrn, + int xInit, int yInit, + FontPtr font, + int fg, int bg, + int rop, + unsigned int planemask, + RegionPtr cclip, + int nglyph, + unsigned char *gBase, CharInfoPtr * ppci) +{ + XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); + int skippix, skipglyphs; + int Left, Right, Top, Bottom; + int LeftEdge, RightEdge, ytop, ybot; + int nbox = RegionNumRects(cclip); + BoxPtr pbox = RegionRects(cclip); + unsigned int **glyphs = NULL; + int glyphWidth = FONTMAXBOUNDS(font, characterWidth); + + /* find the size of the box */ + Left = xInit; + Right = Left + (glyphWidth * nglyph); + Top = yInit - FONTASCENT(font); + Bottom = yInit + FONTDESCENT(font); + + /* get into the first band that may contain part of our string */ + while (nbox && (Top >= pbox->y2)) { + pbox++; + nbox--; + } + + /* stop when the lower edge of the box is beyond our string */ + while (nbox && (Bottom > pbox->y1)) { + LeftEdge = max(Left, pbox->x1); + RightEdge = min(Right, pbox->x2); + + if (RightEdge > LeftEdge) { /* we have something to draw */ + unsigned int *fallbackBits = NULL; + + ytop = max(Top, pbox->y1); + ybot = min(Bottom, pbox->y2); + + if ((skippix = LeftEdge - Left)) { + skipglyphs = skippix / glyphWidth; + skippix %= glyphWidth; + } + else + skipglyphs = 0; + + if (!glyphs) { + int count; + + glyphs = (unsigned int **) (infoRec->PreAllocMem); + + for (count = 0; count < nglyph; count++) { + glyphs[count] = (unsigned int *) + FONTGLYPHBITS(gBase, *ppci++); + if (!glyphs[count]) { + /* Glyphs with NULL bits do exist in the wild. + Replace with blank bits in that case */ + + if (!fallbackBits) { + int fontHeight = Bottom - Top + 1; + + fallbackBits = calloc(glyphWidth * fontHeight, 1); + if (!fallbackBits) + return; + } + glyphs[count] = fallbackBits; + } + } + + /* our new unrolled TE code only writes DWORDS at a time + so it can read up to 6 characters past the last one + we're displaying */ + glyphs[count + 0] = glyphs[0]; + glyphs[count + 1] = glyphs[0]; + glyphs[count + 2] = glyphs[0]; + glyphs[count + 3] = glyphs[0]; + glyphs[count + 4] = glyphs[0]; + glyphs[count + 5] = glyphs[0]; + } + + /* x, y, w, h, skipleft, skiptop, glyphp, glyphWidth, fg, bg, rop, pm */ + + (*infoRec->TEGlyphRenderer) (pScrn, + LeftEdge, ytop, RightEdge - LeftEdge, + ybot - ytop, skippix, ytop - Top, + glyphs + skipglyphs, glyphWidth, fg, + bg, rop, planemask); + + free(fallbackBits); + } + + nbox--; + pbox++; + } +} |