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-rw-r--r--testing/xf86-video-intel/Remove_broken_render_glyphs-to-dst.diff387
1 files changed, 387 insertions, 0 deletions
diff --git a/testing/xf86-video-intel/Remove_broken_render_glyphs-to-dst.diff b/testing/xf86-video-intel/Remove_broken_render_glyphs-to-dst.diff
new file mode 100644
index 000000000..fe462d47d
--- /dev/null
+++ b/testing/xf86-video-intel/Remove_broken_render_glyphs-to-dst.diff
@@ -0,0 +1,387 @@
+From fde8a010b3d9406c2f65ee99978360a6ca54e006 Mon Sep 17 00:00:00 2001
+From: Chris Wilson <chris@chris-wilson.co.uk>
+Date: Fri, 30 Mar 2012 11:47:21 +0000
+Subject: uxa: Remove broken render glyphs-to-dst
+
+Reported-by: Vincent Untz <vuntz@gnome.org>
+Reported-by: Robert Bradford <robert.bradford@intel.com>
+Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=48045
+Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
+---
+diff --git a/uxa/uxa-glyphs.c b/uxa/uxa-glyphs.c
+index 6172f2f..b754f4e 100644
+--- a/uxa/uxa-glyphs.c
++++ b/uxa/uxa-glyphs.c
+@@ -663,190 +663,6 @@ uxa_glyph_cache(ScreenPtr screen, GlyphPtr glyph, int *out_x, int *out_y)
+ return cache->picture;
+ }
+
+-static int
+-uxa_glyphs_to_dst(CARD8 op,
+- PicturePtr pSrc,
+- PicturePtr pDst,
+- INT16 src_x, INT16 src_y,
+- INT16 xDst, INT16 yDst,
+- int nlist, GlyphListPtr list, GlyphPtr * glyphs,
+- BoxPtr extents)
+-{
+- ScreenPtr screen = pDst->pDrawable->pScreen;
+- uxa_screen_t *uxa_screen = uxa_get_screen(screen);
+- PixmapPtr src_pixmap, dst_pixmap;
+- PicturePtr localSrc, glyph_atlas;
+- int x, y, n;
+- BoxRec box;
+-
+- if (uxa_screen->info->check_composite_texture &&
+- uxa_screen->info->check_composite_texture(screen, pSrc)) {
+- if (pSrc->pDrawable) {
+- int src_off_x, src_off_y;
+-
+- src_pixmap = uxa_get_offscreen_pixmap(pSrc->pDrawable, &src_off_x, &src_off_y);
+- if (src_pixmap == NULL)
+- return -1;
+-
+- src_x += pSrc->pDrawable->x + src_off_x;
+- src_y += pSrc->pDrawable->y + src_off_y;
+- } else {
+- src_pixmap = NULL;
+- }
+- localSrc = pSrc;
+- } else {
+- int width, height;
+-
+- if (extents == NULL) {
+- uxa_glyph_extents(nlist, list, glyphs, &box);
+- extents = &box;
+- }
+-
+- width = extents->x2 - extents->x1;
+- height = extents->y2 - extents->y1;
+- if (width == 0 || height == 0)
+- return 0;
+-
+- if (pSrc->pDrawable) {
+- int src_off_x, src_off_y;
+-
+- src_off_x = extents->x1 - xDst;
+- src_off_y = extents->y1 - yDst;
+- localSrc = uxa_acquire_drawable(screen, pSrc,
+- src_x + src_off_x, src_y + src_off_y,
+- width, height,
+- &src_x, &src_y);
+- if (uxa_screen->info->check_composite_texture &&
+- !uxa_screen->info->check_composite_texture(screen, localSrc)) {
+- if (localSrc != pSrc)
+- FreePicture(localSrc, 0);
+- return -1;
+- }
+-
+- src_pixmap = uxa_get_offscreen_pixmap(localSrc->pDrawable, &src_off_x, &src_off_y);
+- if (src_pixmap == NULL) {
+- if (localSrc != pSrc)
+- FreePicture(localSrc, 0);
+- return -1;
+- }
+-
+- src_x += localSrc->pDrawable->x + src_off_x;
+- src_y += localSrc->pDrawable->y + src_off_y;
+- } else {
+- localSrc = uxa_acquire_pattern(screen, pSrc,
+- PICT_a8r8g8b8, x, y, width, height);
+- if (!localSrc)
+- return 1;
+-
+- src_pixmap = uxa_get_drawable_pixmap(localSrc->pDrawable);
+- if (src_pixmap == NULL) {
+- FreePicture(localSrc, 0);
+- return -1;
+- }
+-
+- src_x = src_y = 0;
+- }
+- }
+-
+- dst_pixmap = uxa_get_offscreen_pixmap(pDst->pDrawable, &x, &y);
+- x += xDst + pDst->pDrawable->x - list->xOff;
+- y += yDst + pDst->pDrawable->y - list->yOff;
+-
+- glyph_atlas = NULL;
+- while (nlist--) {
+- x += list->xOff;
+- y += list->yOff;
+- n = list->len;
+- while (n--) {
+- GlyphPtr glyph = *glyphs++;
+- PicturePtr this_atlas;
+- int mask_x, mask_y, nrect;
+- struct uxa_glyph *priv;
+- BoxPtr rects;
+-
+- if (glyph->info.width == 0 || glyph->info.height == 0)
+- goto next_glyph;
+-
+- priv = uxa_glyph_get_private(glyph);
+- if (priv != NULL) {
+- mask_x = priv->x;
+- mask_y = priv->y;
+- this_atlas = priv->cache->picture;
+- } else {
+- if (glyph_atlas) {
+- uxa_screen->info->done_composite(dst_pixmap);
+- glyph_atlas = NULL;
+- }
+- this_atlas = uxa_glyph_cache(screen, glyph, &mask_x, &mask_y);
+- if (this_atlas == NULL) {
+- /* no cache for this glyph */
+- this_atlas = GlyphPicture(glyph)[screen->myNum];
+- mask_x = mask_y = 0;
+- }
+- }
+-
+- if (this_atlas != glyph_atlas) {
+- PixmapPtr mask_pixmap;
+-
+- if (glyph_atlas)
+- uxa_screen->info->done_composite(dst_pixmap);
+-
+- mask_pixmap =
+- uxa_get_drawable_pixmap(this_atlas->pDrawable);
+- if (!uxa_pixmap_is_offscreen(mask_pixmap) ||
+- !uxa_screen->info->prepare_composite(op,
+- localSrc, this_atlas, pDst,
+- src_pixmap, mask_pixmap, dst_pixmap))
+- return -1;
+-
+- glyph_atlas = this_atlas;
+- }
+-
+- rects = REGION_RECTS(pDst->pCompositeClip);
+- nrect = REGION_NUM_RECTS(pDst->pCompositeClip);
+- while (nrect--) {
+- int x1 = x - glyph->info.x, dx = 0;
+- int y1 = y - glyph->info.y, dy = 0;
+- int x2 = x1 + glyph->info.width;
+- int y2 = y1 + glyph->info.height;
+-
+- if (rects->y1 >= y2)
+- break;
+-
+- if (x1 < rects->x1)
+- dx = rects->x1 - x1, x1 = rects->x1;
+- if (x2 > rects->x2)
+- x2 = rects->x2;
+- if (y1 < rects->y1)
+- dy = rects->y1 - y1, y1 = rects->y1;
+- if (y2 > rects->y2)
+- y2 = rects->y2;
+-
+- if (x1 < x2 && y1 < y2) {
+- uxa_screen->info->composite(dst_pixmap,
+- x1 + src_x, y1 + src_y,
+- dx + mask_x, dy + mask_y,
+- x1, y1,
+- x2 - x1, y2 - y1);
+- }
+- rects++;
+- }
+-
+-next_glyph:
+- x += glyph->info.xOff;
+- y += glyph->info.yOff;
+- }
+- list++;
+- }
+- if (glyph_atlas)
+- uxa_screen->info->done_composite(dst_pixmap);
+-
+- if (localSrc != pSrc)
+- FreePicture(localSrc, 0);
+-
+- return 0;
+-}
+-
+ static void
+ uxa_clear_pixmap(ScreenPtr screen,
+ uxa_screen_t *uxa_screen,
+@@ -894,37 +710,30 @@ uxa_glyphs_via_mask(CARD8 op,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc, INT16 ySrc,
+- INT16 xDst, INT16 yDst,
+- int nlist, GlyphListPtr list, GlyphPtr * glyphs,
+- BoxPtr extents)
++ int nlist, GlyphListPtr list, GlyphPtr * glyphs)
+ {
+ ScreenPtr screen = pDst->pDrawable->pScreen;
+ uxa_screen_t *uxa_screen = uxa_get_screen(screen);
+ CARD32 component_alpha;
+ PixmapPtr pixmap;
+ PicturePtr glyph_atlas, mask;
++ int xDst = list->xOff, yDst = list->yOff;
+ int x, y, width, height;
+ int dst_off_x, dst_off_y;
+ int n, error;
+ BoxRec box;
+
+- if (!extents) {
+- uxa_glyph_extents(nlist, list, glyphs, &box);
++ uxa_glyph_extents(nlist, list, glyphs, &box);
++ if (box.x2 <= box.x1 || box.y2 <= box.y1)
++ return 0;
+
+- if (box.x2 <= box.x1 || box.y2 <= box.y1)
+- return 0;
++ dst_off_x = box.x1;
++ dst_off_y = box.y1;
+
+- extents = &box;
+- dst_off_x = box.x1;
+- dst_off_y = box.y1;
+- } else {
+- dst_off_x = dst_off_y = 0;
+- }
+-
+- width = extents->x2 - extents->x1;
+- height = extents->y2 - extents->y1;
+- x = -extents->x1;
+- y = -extents->y1;
++ width = box.x2 - box.x1;
++ height = box.y2 - box.y1;
++ x = -box.x1;
++ y = -box.y1;
+
+ if (maskFormat->depth == 1) {
+ PictFormatPtr a8Format =
+@@ -1061,11 +870,6 @@ uxa_glyphs(CARD8 op,
+ {
+ ScreenPtr screen = pDst->pDrawable->pScreen;
+ uxa_screen_t *uxa_screen = uxa_get_screen(screen);
+- int xDst = list->xOff, yDst = list->yOff;
+- BoxRec extents = { 0, 0, 0, 0 };
+- Bool have_extents = FALSE;
+- int width, height, ret;
+- PicturePtr localDst = pDst;
+
+ if (uxa_screen->info->flags & UXA_USE_GLAMOR) {
+ int ok;
+@@ -1128,112 +932,12 @@ fallback:
+ }
+ }
+
+- if (!maskFormat &&
+- uxa_screen->info->check_composite_target &&
+- !uxa_screen->info->check_composite_target(uxa_get_drawable_pixmap(pDst->pDrawable))) {
+- int depth = pDst->pDrawable->depth;
+- PixmapPtr pixmap;
+- int x, y, error;
+- GCPtr gc;
+-
+- pixmap = uxa_get_drawable_pixmap(pDst->pDrawable);
+- if (uxa_screen->info->check_copy &&
+- !uxa_screen->info->check_copy(pixmap, pixmap, GXcopy, FB_ALLONES))
+- goto fallback;
+-
+- uxa_glyph_extents(nlist, list, glyphs, &extents);
+-
+- /* clip against dst bounds */
+- if (extents.x1 < 0)
+- extents.x1 = 0;
+- if (extents.y1 < 0)
+- extents.y1 = 0;
+- if (extents.x2 > pDst->pDrawable->width)
+- extents.x2 = pDst->pDrawable->width;
+- if (extents.y2 > pDst->pDrawable->height)
+- 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;
+- x = -extents.x1;
+- y = -extents.y1;
+- have_extents = TRUE;
+-
+- xDst += x;
+- yDst += y;
+-
+- pixmap = screen->CreatePixmap(screen,
+- width, height, depth,
+- CREATE_PIXMAP_USAGE_SCRATCH);
+- if (!pixmap)
+- return;
+-
+- if (!uxa_pixmap_is_offscreen(pixmap)) {
+- screen->DestroyPixmap(pixmap);
+- goto fallback;
+- }
+-
+- gc = GetScratchGC(depth, screen);
+- if (!gc) {
+- screen->DestroyPixmap(pixmap);
+- return;
+- }
+-
+- ValidateGC(&pixmap->drawable, gc);
+- gc->ops->CopyArea(pDst->pDrawable, &pixmap->drawable, gc,
+- extents.x1, extents.y1,
+- width, height,
+- 0, 0);
+- FreeScratchGC(gc);
+-
+- localDst = CreatePicture(0, &pixmap->drawable,
+- PictureMatchFormat(screen, depth, pDst->format),
+- 0, 0, serverClient, &error);
+- screen->DestroyPixmap(pixmap);
+-
+- if (!localDst)
+- return;
+-
+- ValidatePicture(localDst);
+- }
+-
+- if (maskFormat) {
+- ret = uxa_glyphs_via_mask(op,
+- pSrc, localDst, maskFormat,
+- xSrc, ySrc,
+- xDst, yDst,
+- nlist, list, glyphs,
+- have_extents ? &extents : NULL);
+- } else {
+- ret = uxa_glyphs_to_dst(op,
+- pSrc, localDst,
+- xSrc, ySrc,
+- xDst, yDst,
+- nlist, list, glyphs,
+- have_extents ? &extents : NULL);
+- }
+- if (ret) {
+- if (localDst != pDst)
+- FreePicture(localDst, 0);
+-
++ if (!maskFormat)
+ goto fallback;
+- }
+
+- if (localDst != pDst) {
+- GCPtr gc;
+-
+- gc = GetScratchGC(pDst->pDrawable->depth, screen);
+- if (gc) {
+- ValidateGC(pDst->pDrawable, gc);
+- gc->ops->CopyArea(localDst->pDrawable, pDst->pDrawable, gc,
+- 0, 0,
+- width, height,
+- extents.x1, extents.y1);
+- FreeScratchGC(gc);
+- }
+-
+- FreePicture(localDst, 0);
+- }
++ if (uxa_glyphs_via_mask(op,
++ pSrc, pDst, maskFormat,
++ xSrc, ySrc,
++ nlist, list, glyphs))
++ goto fallback;
+ }
+--
+cgit v0.9.0.2-2-gbebe
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