From 7c8327f0a75087a85864256a9cea80dd4b86def5 Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Fri, 15 May 2009 15:48:37 +0200 Subject: EXA: Always damage glyph cache pixmap manually after uploading a glyph. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Michel Dänzer --- exa/exa_glyphs.c | 73 ++++++++++++++++++++++++++++---------------------------- 1 file changed, 37 insertions(+), 36 deletions(-) (limited to 'exa') diff --git a/exa/exa_glyphs.c b/exa/exa_glyphs.c index d2a0168b4..b8d2e52bf 100644 --- a/exa/exa_glyphs.c +++ b/exa/exa_glyphs.c @@ -354,8 +354,14 @@ exaGlyphCacheHashRemove(ExaGlyphCachePtr cache, * is to use the UploadToScreen() driver hook; this allows us to * pipeline glyph uploads and to avoid creating offscreen pixmaps for * glyphs that we'll never use again. + * + * If we can't do it with UploadToScreen (because the glyph is offscreen, etc), + * we fall back to CompositePicture. + * + * We need to damage the cache pixmap manually in either case because the damage + * layer unwrapped the picture screen before calling exaGlyphs. */ -static Bool +static void exaGlyphCacheUploadGlyph(ScreenPtr pScreen, ExaGlyphCachePtr cache, int pos, @@ -369,16 +375,16 @@ exaGlyphCacheUploadGlyph(ScreenPtr pScreen, ExaMigrationRec pixmaps[1]; if (!pExaScr->info->UploadToScreen || pExaScr->swappedOut || pExaPixmap->accel_blocked) - return FALSE; + goto composite; /* If the glyph pixmap is already uploaded, no point in doing * things this way */ if (exaPixmapIsOffscreen(pGlyphPixmap)) - return FALSE; + goto composite; /* UploadToScreen only works if bpp match */ if (pGlyphPixmap->drawable.bitsPerPixel != pCachePixmap->drawable.bitsPerPixel) - return FALSE; + goto composite; /* cache pixmap must be offscreen. */ pixmaps[0].as_dst = TRUE; @@ -388,26 +394,37 @@ exaGlyphCacheUploadGlyph(ScreenPtr pScreen, exaDoMigration (pixmaps, 1, TRUE); if (!exaPixmapIsOffscreen(pCachePixmap)) - return FALSE; + goto composite; /* CACHE_{X,Y} are in pixmap coordinates, no need for cache{X,Y}off */ - if (!pExaScr->info->UploadToScreen(pCachePixmap, - CACHE_X(pos), - CACHE_Y(pos), - pGlyph->info.width, - pGlyph->info.height, - (char *)pExaPixmap->sys_ptr, - pExaPixmap->sys_pitch)) - return FALSE; - - /* This pixmap should never be bound to a window, so no need to offset coordinates. */ + if (pExaScr->info->UploadToScreen(pCachePixmap, + CACHE_X(pos), + CACHE_Y(pos), + pGlyph->info.width, + pGlyph->info.height, + (char *)pExaPixmap->sys_ptr, + pExaPixmap->sys_pitch)) + goto damage; + +composite: + CompositePicture (PictOpSrc, + pGlyphPicture, + None, + cache->picture, + 0, 0, + 0, 0, + CACHE_X(pos), + CACHE_Y(pos), + pGlyph->info.width, + pGlyph->info.height); + +damage: + /* The cache pixmap isn't a window, so no need to offset coordinates. */ exaPixmapDirty (pCachePixmap, CACHE_X(pos), CACHE_Y(pos), - CACHE_X(pos) + pGlyph->info.width, - CACHE_Y(pos) + pGlyph->info.height); - - return TRUE; + CACHE_X(pos) + cache->glyphWidth, + CACHE_Y(pos) + cache->glyphHeight); } static ExaGlyphCacheResult @@ -483,23 +500,7 @@ exaGlyphCacheBufferGlyph(ScreenPtr pScreen, cache->evictionPosition = rand() % cache->size; } - /* Now actually upload the glyph into the cache picture; if - * we can't do it with UploadToScreen (because the glyph is - * offscreen, etc), we fall back to CompositePicture. - */ - if (!exaGlyphCacheUploadGlyph(pScreen, cache, pos, pGlyph)) { - CompositePicture (PictOpSrc, - GlyphPicture(pGlyph)[pScreen->myNum], - None, - cache->picture, - 0, 0, - 0, 0, - CACHE_X(pos), - CACHE_Y(pos), - pGlyph->info.width, - pGlyph->info.height); - } - + exaGlyphCacheUploadGlyph(pScreen, cache, pos, pGlyph); } buffer->mask = cache->picture; -- cgit v1.2.3