summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--exa/exa_glyphs.c47
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)