void
exaGlyphs(CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr * glyphs)
{
PixmapPtr pMaskPixmap = 0;
PicturePtr pMask = NULL;
ScreenPtr pScreen = pDst->pDrawable->pScreen;
int width = 0, height = 0;
int x, y;
int first_xOff = list->xOff, first_yOff = list->yOff;
int n;
GlyphPtr glyph;
int error;
BoxRec extents = { 0, 0, 0, 0 };
CARD32 component_alpha;
ExaGlyphBuffer buffer;
if (maskFormat) {
ExaScreenPriv(pScreen);
GCPtr pGC;
xRectangle rect;
GlyphExtents(nlist, list, glyphs, &extents);
if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1)
return;
width = extents.x2 - extents.x1;
height = extents.y2 - extents.y1;
if (maskFormat->depth == 1) {
PictFormatPtr a8Format = PictureMatchFormat(pScreen, 8, PICT_a8);
if (a8Format)
maskFormat = a8Format;
}
pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
maskFormat->depth,
CREATE_PIXMAP_USAGE_SCRATCH);
if (!pMaskPixmap)
return;
component_alpha = NeedsComponent(maskFormat->format);
pMask = CreatePicture(0, &pMaskPixmap->drawable,
maskFormat, CPComponentAlpha, &component_alpha,
serverClient, &error);
if (!pMask ||
(!component_alpha && pExaScr->info->CheckComposite &&
!(*pExaScr->info->CheckComposite) (PictOpAdd, pSrc, NULL, pMask)))
{
PictFormatPtr argbFormat;
(*pScreen->DestroyPixmap) (pMaskPixmap);
if (!pMask)
return;
/* The driver can't seem to composite to a8, let's try argb (but
* without component-alpha) */
FreePicture((pointer) pMask, (XID) 0);
argbFormat = PictureMatchFormat(pScreen, 32, PICT_a8r8g8b8);
if (argbFormat)
maskFormat = argbFormat;
pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
maskFormat->depth,
CREATE_PIXMAP_USAGE_SCRATCH);
if (!pMaskPixmap)
return;
pMask = CreatePicture(0, &pMaskPixmap->drawable, maskFormat, 0, 0,
serverClient, &error);
if (!pMask) {
(*pScreen->DestroyPixmap) (pMaskPixmap);
return;
}
}
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 {
x = 0;
y = 0;
}
buffer.count = 0;
buffer.mask = NULL;
while (nlist--) {
x += list->xOff;
y += list->yOff;
n = list->len;
while (n--) {
glyph = *glyphs++;
if (glyph->info.width > 0 && glyph->info.height > 0) {
/* pGlyph->info.{x,y} compensate for empty space in the glyph. */
if (maskFormat) {
if (exaBufferGlyph(pScreen, &buffer, glyph, NULL, pMask,
0, 0, 0, 0, x - glyph->info.x,
y - glyph->info.y) ==
ExaGlyphNeedFlush) {
exaGlyphsToMask(pMask, &buffer);
exaBufferGlyph(pScreen, &buffer, glyph, NULL, pMask,
0, 0, 0, 0, x - glyph->info.x,
y - glyph->info.y);
}
}
else {
if (exaBufferGlyph(pScreen, &buffer, glyph, pSrc, pDst,
xSrc + (x - glyph->info.x) - first_xOff,
ySrc + (y - glyph->info.y) - first_yOff,
0, 0, x - glyph->info.x,
y - glyph->info.y)
== ExaGlyphNeedFlush) {
exaGlyphsToDst(pSrc, pDst, &buffer);
exaBufferGlyph(pScreen, &buffer, glyph, pSrc, pDst,
xSrc + (x - glyph->info.x) - first_xOff,
ySrc + (y - glyph->info.y) - first_yOff,
0, 0, x - glyph->info.x,
y - glyph->info.y);
}
}
}
x += glyph->info.xOff;
y += glyph->info.yOff;
}
list++;
}
if (buffer.count) {
if (maskFormat)
exaGlyphsToMask(pMask, &buffer);
else
exaGlyphsToDst(pSrc, pDst, &buffer);
}
if (maskFormat) {
x = extents.x1;
y = extents.y1;
CompositePicture(op,
pSrc,
pMask,
pDst,
xSrc + x - first_xOff,
ySrc + y - first_yOff, 0, 0, x, y, width, height);
FreePicture((pointer) pMask, (XID) 0);
(*pScreen->DestroyPixmap) (pMaskPixmap);
}
}
void
miGlyphs(CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr * glyphs)
{
PicturePtr pPicture;
PixmapPtr pMaskPixmap = 0;
PicturePtr pMask;
ScreenPtr pScreen = pDst->pDrawable->pScreen;
int width = 0, height = 0;
int x, y;
int xDst = list->xOff, yDst = list->yOff;
int n;
GlyphPtr glyph;
int error;
BoxRec extents = { 0, 0, 0, 0 };
CARD32 component_alpha;
if (maskFormat) {
GCPtr pGC;
xRectangle rect;
GlyphExtents(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,
CREATE_PIXMAP_USAGE_SCRATCH);
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;
}
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--) {
x += list->xOff;
y += list->yOff;
n = list->len;
while (n--) {
glyph = *glyphs++;
pPicture = GlyphPicture(glyph)[pScreen->myNum];
if (pPicture) {
if (maskFormat) {
CompositePicture(PictOpAdd,
pPicture,
None,
pMask,
0, 0,
0, 0,
x - glyph->info.x,
y - glyph->info.y,
glyph->info.width, glyph->info.height);
}
else {
CompositePicture(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 (maskFormat) {
x = extents.x1;
y = extents.y1;
CompositePicture(op,
pSrc,
pMask,
pDst,
xSrc + x - xDst,
ySrc + y - yDst, 0, 0, x, y, width, height);
FreePicture((pointer) pMask, (XID) 0);
(*pScreen->DestroyPixmap) (pMaskPixmap);
}
}