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authorEric Anholt <eric@anholt.net>2007-10-19 16:34:54 -0700
committerEric Anholt <eric@anholt.net>2007-10-19 16:34:54 -0700
commit4b14c9a9cd2033d3839c4ba364d41ab4c4b198ab (patch)
tree6e3f56b4098999f8bc8e2b6f2e512a603d6bb8b0 /exa/exa_render.c
parenta3a95d3475dc91ed2e8a55bf484a6b3f2b5ac32a (diff)
Replace calls to Glyphs screen hook with CompositeGlyphs and remove dead code.
Not all of the DDX/miext Glyphs hook implementations have been removed, but they should be.
Diffstat (limited to 'exa/exa_render.c')
-rw-r--r--exa/exa_render.c258
1 files changed, 0 insertions, 258 deletions
diff --git a/exa/exa_render.c b/exa/exa_render.c
index 847a36182..6a9e53f3e 100644
--- a/exa/exa_render.c
+++ b/exa/exa_render.c
@@ -997,261 +997,3 @@ exaTriangles (CARD8 op, PicturePtr pSrc, PicturePtr pDst,
exaTriangles (op, pSrc, pDst, maskFormat, xSrc, ySrc, 1, tris);
}
}
-
-/**
- * Returns TRUE if the glyphs in the lists intersect. Only checks based on
- * bounding box, which appears to be good enough to catch most cases at least.
- */
-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;
-}
-
-#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0)
-
-/* exaGlyphs is a slight variation on miGlyphs, to support acceleration. The
- * issue is that miGlyphs' use of ModifyPixmapHeader makes it impossible to
- * migrate these pixmaps. So, instead we create a pixmap at the beginning of
- * the loop and upload each glyph into the pixmap before compositing.
- *
- * This is now used even when Composite can't be accelerated for better
- * migration control.
- */
-void
-exaGlyphs (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int nlist,
- GlyphListPtr list,
- GlyphPtr *glyphs)
-{
- ExaScreenPriv (pDst->pDrawable->pScreen);
- PicturePtr pPicture;
- PixmapPtr pMaskPixmap = NULL;
- PicturePtr pMask;
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- int width = 0, height = 0;
- int x, y, x1, y1;
- int xDst = list->xOff, yDst = list->yOff;
- int n;
- int error;
- BoxRec extents;
- CARD32 component_alpha;
-
- /* If we have a mask format but it's the same as all the glyphs and
- * the glyphs don't intersect, we can avoid accumulating the glyphs in the
- * temporary picture.
- */
- 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 (maskFormat)
- {
- GCPtr pGC;
- xRectangle rect;
-
- miGlyphExtents (nlist, list, glyphs, &extents);
-
- extents.x1 = max(extents.x1, 0);
- extents.y1 = max(extents.y1, 0);
- extents.x2 = min(extents.x2, pDst->pDrawable->width);
- extents.y2 = min(extents.y2, pDst->pDrawable->height);
-
- 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;
- ExaCheckPolyFillRect (&pMaskPixmap->drawable, pGC, 1, &rect);
- if (pExaScr->info->PrepareComposite)
- (*pGC->ops->PolyFillRect) (&pMaskPixmap->drawable, pGC, 1, &rect);
- else
- exaPixmapDirty(pMaskPixmap, 0, 0, width, height);
- 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;
-
- 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;
- }
-
- while (n--)
- {
- GlyphPtr glyph = *glyphs++;
- DrawablePtr pCmpDrw = (maskFormat ? pMask : pDst)->pDrawable;
-
- x1 = x - glyph->info.x;
- y1 = y - glyph->info.y;
-
- if (x1 >= pCmpDrw->width || y1 >= pCmpDrw->height ||
- glyph->info.width == 0 || glyph->info.height == 0 ||
- (x1 + glyph->info.width) <= 0 || (y1 + glyph->info.height) <= 0)
- goto nextglyph;
-
- /* The glyph already has a Picture ready for us to use. */
- pPicture = GlyphPicture (glyph)[pScreen->myNum];
- ValidatePicture(pPicture);
-
- if (maskFormat)
- {
- exaComposite (PictOpAdd, pPicture, NULL, pMask, 0, 0, 0, 0,
- x1, y1, glyph->info.width, glyph->info.height);
- exaPixmapDirty(pMaskPixmap, x1, y1, x1 + glyph->info.width,
- y1 + glyph->info.height);
- }
- else
- {
- exaComposite (op, pSrc, pPicture, pDst,
- xSrc + x1 - xDst, ySrc + y1 - yDst,
- 0, 0, x1, y1, glyph->info.width,
- glyph->info.height);
- }
-
-nextglyph:
- x += glyph->info.xOff;
- y += glyph->info.yOff;
- }
- list++;
- if (pGC != NULL)
- FreeScratchGC (pGC);
- }
- 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);
- }
-}