diff options
-rw-r--r-- | exa/exa_glyphs.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/exa/exa_glyphs.c b/exa/exa_glyphs.c index bf097c32f..f85bbcfd9 100644 --- a/exa/exa_glyphs.c +++ b/exa/exa_glyphs.c @@ -62,15 +62,10 @@ */ #define CACHE_PICTURE_WIDTH 1024 -/* Maximum number of glyphs we buffer on the stack before flushing - * rendering to the mask or destination surface. - */ -#define GLYPH_BUFFER_SIZE 256 - typedef struct { PicturePtr mask; - ExaCompositeRectRec rects[GLYPH_BUFFER_SIZE]; int count; + ExaCompositeRectRec rects[0]; } ExaGlyphBuffer, *ExaGlyphBufferPtr; typedef enum { @@ -553,16 +548,13 @@ exaBufferGlyph(ScreenPtr pScreen, INT16 yDst) { ExaScreenPriv(pScreen); - unsigned int format = (GlyphPicture(pGlyph)[pScreen->myNum])->format; + PicturePtr mask = GlyphPicture(pGlyph)[pScreen->myNum]; + unsigned int format = mask->format; int width = pGlyph->info.width; int height = pGlyph->info.height; ExaCompositeRectPtr rect; - PicturePtr mask; int i; - if (buffer->count == GLYPH_BUFFER_SIZE) - return ExaGlyphNeedFlush; - if (PICT_FORMAT_BPP(format) == 1) format = PICT_a8; @@ -593,7 +585,6 @@ exaBufferGlyph(ScreenPtr pScreen, /* Couldn't find the glyph in the cache, use the glyph picture directly */ - mask = GlyphPicture(pGlyph)[pScreen->myNum]; if (buffer->mask && buffer->mask != mask) return ExaGlyphNeedFlush; @@ -707,12 +698,18 @@ exaGlyphs (CARD8 op, int width = 0, height = 0; int x, y; int first_xOff = list->xOff, first_yOff = list->yOff; - int n; + int i, n; GlyphPtr glyph; int error; BoxRec extents = {0, 0, 0, 0}; CARD32 component_alpha; - ExaGlyphBuffer buffer; + ExaGlyphBufferPtr buffer; + + for (i = 0, n = 0; i < nlist; i++) + n += list[i].len; + buffer = alloca(sizeof(ExaGlyphBuffer) + n * sizeof(ExaCompositeRectRec)); + if (!buffer) + return; if (maskFormat) { @@ -792,8 +789,8 @@ exaGlyphs (CARD8 op, x = 0; y = 0; } - buffer.count = 0; - buffer.mask = NULL; + buffer->count = 0; + buffer->mask = NULL; while (nlist--) { x += list->xOff; @@ -808,23 +805,23 @@ exaGlyphs (CARD8 op, /* pGlyph->info.{x,y} compensate for empty space in the glyph. */ if (maskFormat) { - if (exaBufferGlyph(pScreen, &buffer, glyph, NULL, pMask, + 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, + 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, + 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, + 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); } @@ -837,11 +834,11 @@ exaGlyphs (CARD8 op, list++; } - if (buffer.count) { + if (buffer->count) { if (maskFormat) - exaGlyphsToMask(pMask, &buffer); + exaGlyphsToMask(pMask, buffer); else - exaGlyphsToDst(pSrc, pDst, &buffer); + exaGlyphsToDst(pSrc, pDst, buffer); } if (maskFormat) |