#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <stdlib.h>
#include "exa_priv.h"
#ifdef RENDER
#include "mipict.h"
#if DEBUG_TRACE_FALL
static void exaCompositeFallbackPictDesc(PicturePtr pict, char *string, int n)
{
char format[20];
char size[20];
char loc;
int temp;
if (!pict) {
snprintf(string, n, "None");
return;
}
switch (pict->format)
{
case PICT_a8r8g8b8:
snprintf(format, 20, "ARGB8888");
break;
case PICT_r5g6b5:
snprintf(format, 20, "RGB565 ");
break;
case PICT_x1r5g5b5:
snprintf(format, 20, "RGB555 ");
break;
case PICT_a8:
snprintf(format, 20, "A8 ");
break;
case PICT_a1:
snprintf(format, 20, "A1 ");
break;
default:
snprintf(format, 20, "0x%x", (int)pict->format);
break;
}
loc = exaGetOffscreenPixmap(pict->pDrawable, &temp, &temp) ? 's' : 'm';
snprintf(size, 20, "%dx%d%s", pict->pDrawable->width,
pict->pDrawable->height, pict->repeat ?
" R" : "");
snprintf(string, n, "%p:%c fmt %s (%s)", pict->pDrawable, loc, format, size);
}
static void
exaPrintCompositeFallback(CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst)
{
char sop[20];
char srcdesc[40], maskdesc[40], dstdesc[40];
switch(op)
{
case PictOpSrc:
sprintf(sop, "Src");
break;
case PictOpOver:
sprintf(sop, "Over");
break;
default:
sprintf(sop, "0x%x", (int)op);
break;
}
exaCompositeFallbackPictDesc(pSrc, srcdesc, 40);
exaCompositeFallbackPictDesc(pMask, maskdesc, 40);
exaCompositeFallbackPictDesc(pDst, dstdesc, 40);
ErrorF("Composite fallback: op %s, \n"
" src %s, \n"
" mask %s, \n"
" dst %s, \n",
sop, srcdesc, maskdesc, dstdesc);
}
#endif
static Bool
exaOpReadsDestination (CARD8 op)
{
switch (op) {
case PictOpClear:
case PictOpSrc:
return FALSE;
default:
return TRUE;
}
}
static Bool
exaGetPixelFromRGBA(CARD32 *pixel,
CARD16 red,
CARD16 green,
CARD16 blue,
CARD16 alpha,
CARD32 format)
{
int rbits, bbits, gbits, abits;
int rshift, bshift, gshift, ashift;
*pixel = 0;
if (!PICT_FORMAT_COLOR(format))
return FALSE;
rbits = PICT_FORMAT_R(format);
gbits = PICT_FORMAT_G(format);
bbits = PICT_FORMAT_B(format);
abits = PICT_FORMAT_A(format);
if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
bshift = 0;
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
}
*pixel |= ( blue >> (16 - bbits)) << bshift;
*pixel |= ( red >> (16 - rbits)) << rshift;
*pixel |= (green >> (16 - gbits)) << gshift;
*pixel |= (alpha >> (16 - abits)) << ashift;
return TRUE;
}
static Bool
exaGetRGBAFromPixel(CARD32 pixel,
CARD16 *red,
CARD16 *green,
CARD16 *blue,
CARD16 *alpha,
CARD32 format)
{
int rbits, bbits, gbits, abits;
int rshift, bshift, gshift, ashift;
if (!PICT_FORMAT_COLOR(format))
return FALSE;
rbits = PICT_FORMAT_R(format);
gbits = PICT_FORMAT_G(format);
bbits = PICT_FORMAT_B(format);
abits = PICT_FORMAT_A(format);
if (PICT_FORMAT_TYPE(format) == PICT_TYPE_ARGB) {
bshift = 0;
gshift = bbits;
rshift = gshift + gbits;
ashift = rshift + rbits;
} else {
rshift = 0;
gshift = rbits;
bshift = gshift + gbits;
ashift = bshift + bbits;
}
*red = ((pixel >> rshift ) & ((1 << rbits) - 1)) << (16 - rbits);
while (rbits < 16) {
*red |= *red >> rbits;
rbits <<= 1;
}
*green = ((pixel >> gshift ) & ((1 << gbits) - 1)) << (16 - gbits);
while (gbits < 16) {
*green |= *green >> gbits;
gbits <<= 1;
}
*blue = ((pixel >> bshift ) & ((1 << bbits) - 1)) << (16 - bbits);
while (bbits < 16) {
*blue |= *blue >> bbits;
bbits <<= 1;
}
if (abits) {
*alpha = ((pixel >> ashift ) & ((1 << abits) - 1)) << (16 - abits);
while (abits < 16) {
*alpha |= *alpha >> abits;
abits <<= 1;
}
} else
*alpha = 0xffff;
return TRUE;
}
static int
exaTryDriverSolidFill(PicturePtr pSrc,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height)
{
ExaScreenPriv (pDst->pDrawable->pScreen);
RegionRec region;
BoxPtr pbox;
int nbox;
int dst_off_x, dst_off_y;
PixmapPtr pSrcPix, pDstPix;
CARD32 pixel;
CARD16 red, green, blue, alpha;
ExaMigrationRec pixmaps[1];
xDst += pDst->pDrawable->x;
yDst += pDst->pDrawable->y;
xSrc += pSrc->pDrawable->x;
ySrc += pSrc->pDrawable->y;
if (!miComputeCompositeRegion (®ion, pSrc, NULL, pDst,
xSrc, ySrc, 0, 0, xDst, yDst,
width, height))
return 1;
pSrcPix = exaGetDrawablePixmap (pSrc->pDrawable);
pixel = exaGetPixmapFirstPixel (pSrcPix);
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDst->pDrawable);
exaDoMigration(pixmaps, 1, TRUE);
pDstPix = exaGetOffscreenPixmap (pDst->pDrawable, &dst_off_x, &dst_off_y);
if (!pDstPix) {
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return 0;
}
if (!exaGetRGBAFromPixel(pixel, &red, &green, &blue, &alpha,
pSrc->format))
{
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return -1;
}
if (!exaGetPixelFromRGBA(&pixel, red, green, blue, alpha,
pDst->format))
{
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return -1;
}
if (!(*pExaScr->info->PrepareSolid) (pDstPix, GXcopy, 0xffffffff, pixel))
{
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return -1;
}
nbox = REGION_NUM_RECTS(®ion);
pbox = REGION_RECTS(®ion);
while (nbox--)
{
(*pExaScr->info->Solid) (pDstPix,
pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
pbox->x2 + dst_off_x, pbox->y2 + dst_off_y);
exaPixmapDirty (pDstPix, pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
pbox->x2 + dst_off_x, pbox->y2 + dst_off_y);
pbox++;
}
(*pExaScr->info->DoneSolid) (pDstPix);
exaMarkSync(pDst->pDrawable->pScreen);
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return 1;
}
static int
exaTryDriverComposite(CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height)
{
ExaScreenPriv (pDst->pDrawable->pScreen);
RegionRec region;
BoxPtr pbox;
int nbox;
int src_off_x, src_off_y, mask_off_x, mask_off_y, dst_off_x, dst_off_y;
PixmapPtr pSrcPix, pMaskPix = NULL, pDstPix;
struct _Pixmap scratch;
ExaMigrationRec pixmaps[3];
pSrcPix = exaGetDrawablePixmap(pSrc->pDrawable);
pDstPix = exaGetDrawablePixmap(pDst->pDrawable);
if (pMask)
pMaskPix = exaGetDrawablePixmap(pMask->pDrawable);
if (pSrcPix->drawable.width > pExaScr->info->maxX ||
pSrcPix->drawable.height > pExaScr->info->maxY ||
pDstPix->drawable.width > pExaScr->info->maxX ||
pDstPix->drawable.height > pExaScr->info->maxY ||
(pMask && (pMaskPix->drawable.width > pExaScr->info->maxX ||
pMaskPix->drawable.height > pExaScr->info->maxY)))
{
return -1;
}
xDst += pDst->pDrawable->x;
yDst += pDst->pDrawable->y;
if (pMask) {
xMask += pMask->pDrawable->x;
yMask += pMask->pDrawable->y;
}
xSrc += pSrc->pDrawable->x;
ySrc += pSrc->pDrawable->y;
if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
xSrc, ySrc, xMask, yMask, xDst, yDst,
width, height))
return 1;
if (pExaScr->info->CheckComposite &&
!(*pExaScr->info->CheckComposite) (op, pSrc, pMask, pDst))
{
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return -1;
}
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = exaOpReadsDestination(op);
pixmaps[0].pPix = exaGetDrawablePixmap (pDst->pDrawable);
pixmaps[1].as_dst = FALSE;
pixmaps[1].as_src = TRUE;
pixmaps[1].pPix = exaGetDrawablePixmap (pSrc->pDrawable);
if (pMask) {
pixmaps[2].as_dst = FALSE;
pixmaps[2].as_src = TRUE;
pixmaps[2].pPix = exaGetDrawablePixmap (pMask->pDrawable);
exaDoMigration(pixmaps, 3, TRUE);
} else {
exaDoMigration(pixmaps, 2, TRUE);
}
pSrcPix = exaGetOffscreenPixmap (pSrc->pDrawable, &src_off_x, &src_off_y);
if (pMask)
pMaskPix = exaGetOffscreenPixmap (pMask->pDrawable, &mask_off_x,
&mask_off_y);
pDstPix = exaGetOffscreenPixmap (pDst->pDrawable, &dst_off_x, &dst_off_y);
if (!pDstPix) {
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return 0;
}
if (!pSrcPix && (!pMask || pMaskPix) && pExaScr->info->UploadToScratch) {
pSrcPix = exaGetDrawablePixmap (pSrc->pDrawable);
if ((*pExaScr->info->UploadToScratch) (pSrcPix, &scratch))
pSrcPix = &scratch;
} else if (pSrcPix && pMask && !pMaskPix && pExaScr->info->UploadToScratch) {
pMaskPix = exaGetDrawablePixmap (pMask->pDrawable);
if ((*pExaScr->info->UploadToScratch) (pMaskPix, &scratch))
pMaskPix = &scratch;
}
if (!pSrcPix || (pMask && !pMaskPix)) {
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return 0;
}
if (!(*pExaScr->info->PrepareComposite) (op, pSrc, pMask, pDst, pSrcPix,
pMaskPix, pDstPix))
{
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return -1;
}
nbox = REGION_NUM_RECTS(®ion);
pbox = REGION_RECTS(®ion);
xMask -= xDst;
yMask -= yDst;
xSrc -= xDst;
ySrc -= yDst;
while (nbox--)
{
(*pExaScr->info->Composite) (pDstPix,
pbox->x1 + xSrc + src_off_x,
pbox->y1 + ySrc + src_off_y,
pbox->x1 + xMask + mask_off_x,
pbox->y1 + yMask + mask_off_y,
pbox->x1 + dst_off_x,
pbox->y1 + dst_off_y,
pbox->x2 - pbox->x1,
pbox->y2 - pbox->y1);
exaPixmapDirty (pDstPix, pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
pbox->x2 + dst_off_x, pbox->y2 + dst_off_y);
pbox++;
}
(*pExaScr->info->DoneComposite) (pDstPix);
exaMarkSync(pDst->pDrawable->pScreen);
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
return 1;
}
static int
exaTryMagicTwoPassCompositeHelper(CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height)
{
ExaScreenPriv (pDst->pDrawable->pScreen);
assert(op == PictOpOver);
if (pExaScr->info->CheckComposite &&
(!(*pExaScr->info->CheckComposite)(PictOpOutReverse, pSrc, pMask,
pDst) ||
!(*pExaScr->info->CheckComposite)(PictOpAdd, pSrc, pMask, pDst)))
{
return -1;
}
exaComposite(PictOpOutReverse, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask,
xDst, yDst, width, height);
exaComposite(PictOpAdd, pSrc, pMask, pDst, xSrc, ySrc, xMask, yMask,
xDst, yDst, width, height);
return 1;
}
void
exaComposite(CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height)
{
ExaScreenPriv (pDst->pDrawable->pScreen);
int ret = -1;
Bool saveSrcRepeat = pSrc->repeat;
Bool saveMaskRepeat = pMask ? pMask->repeat : 0;
if (pExaScr->swappedOut ||
pSrc->pDrawable == NULL || (pMask != NULL && pMask->pDrawable == NULL))
{
goto fallback;
}
if (pSrc->repeat && !pSrc->transform && xSrc >= 0 &&
(xSrc + width) <= pSrc->pDrawable->width && ySrc >= 0 &&
(ySrc + height) <= pSrc->pDrawable->height)
pSrc->repeat = 0;
if (!pMask)
{
if (op == PictOpSrc)
{
if (pSrc->pDrawable->width == 1 &&
pSrc->pDrawable->height == 1 && pSrc->repeat &&
pSrc->repeatType == RepeatNormal)
{
ret = exaTryDriverSolidFill(pSrc, pDst, xSrc, ySrc, xDst, yDst,
width, height);
if (ret == 1)
goto done;
}
else if (!pSrc->repeat && !pSrc->transform &&
pSrc->format == pDst->format)
{
RegionRec region;
xDst += pDst->pDrawable->x;
yDst += pDst->pDrawable->y;
xSrc += pSrc->pDrawable->x;
ySrc += pSrc->pDrawable->y;
if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
xSrc, ySrc, xMask, yMask, xDst,
yDst, width, height))
goto done;
exaCopyNtoN (pSrc->pDrawable, pDst->pDrawable, NULL,
REGION_RECTS(®ion), REGION_NUM_RECTS(®ion),
xSrc - xDst, ySrc - yDst,
FALSE, FALSE, 0, NULL);
REGION_UNINIT(pDst->pDrawable->pScreen, ®ion);
goto done;
}
}
}
if (pMask && pMask->repeat && !pMask->transform && xMask >= 0 &&
(xMask + width) <= pMask->pDrawable->width && yMask >= 0 &&
(yMask + height) <= pMask->pDrawable->height)
pMask->repeat = 0;
if (pExaScr->info->PrepareComposite &&
(!pSrc->repeat || pSrc->repeat == RepeatNormal) &&
(!pMask || !pMask->repeat || pMask->repeat == RepeatNormal) &&
!pSrc->alphaMap && (!pMask || !pMask->alphaMap) && !pDst->alphaMap)
{
Bool isSrcSolid;
ret = exaTryDriverComposite(op, pSrc, pMask, pDst, xSrc, ySrc, xMask,
yMask, xDst, yDst, width, height);
if (ret == 1)
goto done;
isSrcSolid = pSrc->pDrawable->width == 1 &&
pSrc->pDrawable->height == 1 &&
pSrc->repeat;
if (ret == -1 && op == PictOpOver && pMask &&
(pMask->componentAlpha || isSrcSolid)) {
ret = exaTryMagicTwoPassCompositeHelper(op, pSrc, pMask, pDst,
xSrc, ySrc,
xMask, yMask, xDst, yDst,
width, height);
if (ret == 1)
goto done;
}
}
if (ret != 0) {
ExaMigrationRec pixmaps[3];
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = exaOpReadsDestination(op);
pixmaps[0].pPix = exaGetDrawablePixmap (pDst->pDrawable);
pixmaps[1].as_dst = FALSE;
pixmaps[1].as_src = TRUE;
pixmaps[1].pPix = exaGetDrawablePixmap (pSrc->pDrawable);
if (pMask) {
pixmaps[2].as_dst = FALSE;
pixmaps[2].as_src = TRUE;
pixmaps[2].pPix = exaGetDrawablePixmap (pMask->pDrawable);
exaDoMigration(pixmaps, 3, FALSE);
} else {
exaDoMigration(pixmaps, 2, FALSE);
}
}
fallback:
#if DEBUG_TRACE_FALL
exaPrintCompositeFallback (op, pSrc, pMask, pDst);
#endif
ExaCheckComposite (op, pSrc, pMask, pDst, xSrc, ySrc,
xMask, yMask, xDst, yDst, width, height);
exaDrawableDirty(pDst->pDrawable,
pDst->pDrawable->x + xDst,
pDst->pDrawable->y + yDst,
pDst->pDrawable->x + xDst + width,
pDst->pDrawable->y + yDst + height);
done:
pSrc->repeat = saveSrcRepeat;
if (pMask)
pMask->repeat = saveMaskRepeat;
}
#endif
#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0)
void
exaRasterizeTrapezoid (PicturePtr pPicture, xTrapezoid *trap,
int x_off, int y_off)
{
DrawablePtr pDraw = pPicture->pDrawable;
ExaMigrationRec pixmaps[1];
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDraw);
exaDoMigration(pixmaps, 1, FALSE);
exaPrepareAccess(pDraw, EXA_PREPARE_DEST);
fbRasterizeTrapezoid(pPicture, trap, x_off, y_off);
exaDrawableDirty(pDraw, pDraw->x, pDraw->y,
pDraw->x + pDraw->width, pDraw->y + pDraw->height);
exaFinishAccess(pDraw, EXA_PREPARE_DEST);
}
void
exaAddTriangles (PicturePtr pPicture, INT16 x_off, INT16 y_off, int ntri,
xTriangle *tris)
{
DrawablePtr pDraw = pPicture->pDrawable;
ExaMigrationRec pixmaps[1];
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDraw);
exaDoMigration(pixmaps, 1, FALSE);
exaPrepareAccess(pDraw, EXA_PREPARE_DEST);
fbAddTriangles(pPicture, x_off, y_off, ntri, tris);
exaDrawableDirty(pDraw, pDraw->x, pDraw->y,
pDraw->x + pDraw->width, pDraw->y + pDraw->height);
exaFinishAccess(pDraw, EXA_PREPARE_DEST);
}
static Bool
exaGlyphsIntersect(int nlist, GlyphListPtr list, GlyphPtr *glyphs)
{
int x1, x2, y1, y2;
int n;
GlyphPtr glyph;
int x, y;
BoxRec extents;
Bool first = TRUE;
x = 0;
y = 0;
while (nlist--) {
x += list->xOff;
y += list->yOff;
n = list->len;
list++;
while (n--) {
glyph = *glyphs++;
if (glyph->info.width == 0 || glyph->info.height == 0) {
x += glyph->info.xOff;
y += glyph->info.yOff;
continue;
}
x1 = x - glyph->info.x;
if (x1 < MINSHORT)
x1 = MINSHORT;
y1 = y - glyph->info.y;
if (y1 < MINSHORT)
y1 = MINSHORT;
x2 = x1 + glyph->info.width;
if (x2 > MAXSHORT)
x2 = MAXSHORT;
y2 = y1 + glyph->info.height;
if (y2 > MAXSHORT)
y2 = MAXSHORT;
if (first) {
extents.x1 = x1;
extents.y1 = y1;
extents.x2 = x2;
extents.y2 = y2;
first = FALSE;
} else {
if (x1 < extents.x2 && x2 > extents.x1 &&
y1 < extents.y2 && y2 > extents.y1)
{
return TRUE;
}
if (x1 < extents.x1)
extents.x1 = x1;
if (x2 > extents.x2)
extents.x2 = x2;
if (y1 < extents.y1)
extents.y1 = y1;
if (y2 > extents.y2)
extents.y2 = y2;
}
x += glyph->info.xOff;
y += glyph->info.yOff;
}
}
return FALSE;
}
void
exaGlyphs (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int nlist,
GlyphListPtr list,
GlyphPtr *glyphs)
{
ExaScreenPriv (pDst->pDrawable->pScreen);
PixmapPtr pPixmap = NULL;
PicturePtr pPicture;
PixmapPtr pMaskPixmap = NULL;
PicturePtr pMask;
ScreenPtr pScreen = pDst->pDrawable->pScreen;
int width = 0, height = 0;
int x, y;
int xDst = list->xOff, yDst = list->yOff;
int n;
int error;
BoxRec extents;
CARD32 component_alpha;
if (maskFormat != NULL) {
Bool sameFormat = TRUE;
int i;
for (i = 0; i < nlist; i++) {
if (maskFormat->format != list[i].format->format) {
sameFormat = FALSE;
break;
}
}
if (sameFormat) {
if (!exaGlyphsIntersect(nlist, list, glyphs)) {
maskFormat = NULL;
}
}
}
if (!pExaScr->info->PrepareComposite)
{
miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
return;
}
if (maskFormat)
{
GCPtr pGC;
xRectangle rect;
miGlyphExtents (nlist, list, glyphs, &extents);
if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1)
return;
width = extents.x2 - extents.x1;
height = extents.y2 - extents.y1;
pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
maskFormat->depth);
if (!pMaskPixmap)
return;
component_alpha = NeedsComponent(maskFormat->format);
pMask = CreatePicture (0, &pMaskPixmap->drawable,
maskFormat, CPComponentAlpha, &component_alpha,
serverClient, &error);
if (!pMask)
{
(*pScreen->DestroyPixmap) (pMaskPixmap);
return;
}
ValidatePicture(pMask);
pGC = GetScratchGC (pMaskPixmap->drawable.depth, pScreen);
ValidateGC (&pMaskPixmap->drawable, pGC);
rect.x = 0;
rect.y = 0;
rect.width = width;
rect.height = height;
(*pGC->ops->PolyFillRect) (&pMaskPixmap->drawable, pGC, 1, &rect);
FreeScratchGC (pGC);
x = -extents.x1;
y = -extents.y1;
}
else
{
pMask = pDst;
x = 0;
y = 0;
}
while (nlist--)
{
GCPtr pGC = NULL;
int maxwidth = 0, maxheight = 0, i;
ExaMigrationRec pixmaps[1];
PixmapPtr pScratchPixmap = NULL;
x += list->xOff;
y += list->yOff;
n = list->len;
for (i = 0; i < n; i++) {
if (glyphs[i]->info.width > maxwidth)
maxwidth = glyphs[i]->info.width;
if (glyphs[i]->info.height > maxheight)
maxheight = glyphs[i]->info.height;
}
if (maxwidth == 0 || maxheight == 0) {
while (n--)
{
GlyphPtr glyph;
glyph = *glyphs++;
x += glyph->info.xOff;
y += glyph->info.yOff;
}
list++;
continue;
}
pPixmap = (*pScreen->CreatePixmap) (pScreen, maxwidth, maxheight,
list->format->depth);
if (!pPixmap)
return;
component_alpha = NeedsComponent(list->format->format);
pPicture = CreatePicture (0, &pPixmap->drawable, list->format,
CPComponentAlpha, &component_alpha,
serverClient, &error);
if (!pPicture) {
(*pScreen->DestroyPixmap) (pPixmap);
return;
}
ValidatePicture(pPicture);
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = pPixmap;
exaDoMigration (pixmaps, 1, TRUE);
while (n--)
{
GlyphPtr glyph = *glyphs++;
pointer glyphdata = (pointer) (glyph + 1);
(*pScreen->ModifyPixmapHeader) (pScratchPixmap,
glyph->info.width,
glyph->info.height,
0, 0, -1, glyphdata);
if (pExaScr->info->UploadToScreen &&
exaPixmapIsOffscreen(pPixmap) &&
(*pExaScr->info->UploadToScreen) (pPixmap, 0, 0,
glyph->info.width,
glyph->info.height,
glyphdata,
PixmapBytePad(glyph->info.width,
list->format->depth)))
{
exaMarkSync (pScreen);
} else {
if (pScratchPixmap == NULL) {
pScratchPixmap = GetScratchPixmapHeader (pScreen,
glyph->info.width,
glyph->info.height,
list->format->depth,
list->format->depth,
-1, glyphdata);
if (!pScratchPixmap) {
FreePicture(pPicture, 0);
(*pScreen->DestroyPixmap) (pPixmap);
return;
}
pGC = GetScratchGC (list->format->depth, pScreen);
ValidateGC (&pPixmap->drawable, pGC);
} else {
(*pScreen->ModifyPixmapHeader) (pScratchPixmap,
glyph->info.width,
glyph->info.height,
0, 0, -1, glyphdata);
pScratchPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
}
exaCopyArea (&pScratchPixmap->drawable, &pPixmap->drawable, pGC,
0, 0, glyph->info.width, glyph->info.height, 0, 0);
}
exaPixmapDirty (pPixmap, 0, 0,
glyph->info.width, glyph->info.height);
if (maskFormat)
{
exaComposite (PictOpAdd, pPicture, NULL, pMask, 0, 0, 0, 0,
x - glyph->info.x, y - glyph->info.y,
glyph->info.width, glyph->info.height);
}
else
{
exaComposite (op, pSrc, pPicture, pDst,
xSrc + (x - glyph->info.x) - xDst,
ySrc + (y - glyph->info.y) - yDst,
0, 0, x - glyph->info.x, y - glyph->info.y,
glyph->info.width, glyph->info.height);
}
x += glyph->info.xOff;
y += glyph->info.yOff;
}
list++;
if (pGC != NULL)
FreeScratchGC (pGC);
FreePicture ((pointer) pPicture, 0);
(*pScreen->DestroyPixmap) (pPixmap);
if (pScratchPixmap != NULL)
FreeScratchPixmapHeader (pScratchPixmap);
}
if (maskFormat)
{
x = extents.x1;
y = extents.y1;
exaComposite (op, pSrc, pMask, pDst, xSrc + x - xDst, ySrc + y - yDst,
0, 0, x, y, width, height);
FreePicture ((pointer) pMask, (XID) 0);
(*pScreen->DestroyPixmap) (pMaskPixmap);
}
}