forked from pool/xorg-x11-server
Accepting request 245733 from X11:XOrg
1 OBS-URL: https://build.opensuse.org/request/show/245733 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/xorg-x11-server?expand=0&rev=297
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Stephan Kulow
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U_fb-Fix-invalid-bpp-for-24bit-depth-window.patch
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40
U_fb-Fix-invalid-bpp-for-24bit-depth-window.patch
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From fe5018e0564118a7a8198fa286186fdb9ed818c7 Mon Sep 17 00:00:00 2001
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From: Takashi Iwai <tiwai@suse.de>
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Date: Tue, 19 Aug 2014 15:57:22 -0500
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Subject: [PATCH] fb: Fix invalid bpp for 24bit depth window
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We have a hack in fb layer for a 24bpp screen to use 32bpp images, and
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fbCreateWindow() replaces its drawable.bitsPerPixel field
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appropriately. But, the problem is that it always replaces when 32bpp
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is passed. If the depth is 32, this results in bpp < depth, which is
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actually invalid.
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Meanwhile, fbCreatePixmap() has a more check and it creates with 24bpp
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only when the passed depth <= 24 for avoiding such a problem.
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This oneliner patch just adds the similar check in fbCreateWindow().
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This (hopefully) fixes the long-standing broken graphics mess of
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cirrus KMS with 24bpp.
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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Reviewed-by: Keith Packard <keithp@keithp.com>
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---
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fb/fbwindow.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/fb/fbwindow.c b/fb/fbwindow.c
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index 368c4b883b31..c90175faa078 100644
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--- a/fb/fbwindow.c
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+++ b/fb/fbwindow.c
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@@ -33,7 +33,7 @@ fbCreateWindow(WindowPtr pWin)
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{
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dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(pWin),
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fbGetScreenPixmap(pWin->drawable.pScreen));
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- if (pWin->drawable.bitsPerPixel == 32)
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+ if (pWin->drawable.bitsPerPixel == 32 && pWin->drawable.depth <= 24)
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pWin->drawable.bitsPerPixel =
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fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
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return TRUE;
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--
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2.0.4
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@ -1,44 +0,0 @@
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From patchwork Fri Jun 6 11:52:13 2014
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: fb: Correctly implement CopyArea when using a window with depth 32
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and 24bpp.
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From: Robert Ancell <robert.ancell@canonical.com>
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X-Patchwork-Id: 27263
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Message-Id: <1402055533-9866-1-git-send-email-robert.ancell@canonical.com>
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To: xorg-devel@lists.x.org
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Cc: Robert Ancell <robert.ancell@canonical.com>
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Date: Fri, 6 Jun 2014 23:52:13 +1200
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When using the fb backend at 24bpp it allows a visual with 32 bit depth.
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When using CopyArea from a 32bpp pixmap to a window with a 32 bit depth it would
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read the ARGB as RGB.
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Fix is to correctly ignore the alpha channel in the pixmap when copying.
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---
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fb/fbcopy.c | 10 +++++++++-
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fb/fbcopy.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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--- a/fb/fbcopy.c
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+++ b/fb/fbcopy.c
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@@ -242,8 +242,16 @@ fbCopyArea(DrawablePtr pSrcDrawable,
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int xIn, int yIn, int widthSrc, int heightSrc, int xOut, int yOut)
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{
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miCopyProc copy;
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+ int src_bpp, dst_bpp;
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- if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
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+ src_bpp = pSrcDrawable->bitsPerPixel;
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+ if (src_bpp < pSrcDrawable->depth)
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+ src_bpp = BitsPerPixel (pSrcDrawable->depth);
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+ dst_bpp = pDstDrawable->bitsPerPixel;
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+ if (dst_bpp < pDstDrawable->depth)
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+ dst_bpp = BitsPerPixel (pDstDrawable->depth);
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+
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+ if (src_bpp != dst_bpp)
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copy = fb24_32CopyMtoN;
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else
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copy = fbCopyNtoN;
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@ -1,43 +0,0 @@
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From patchwork Fri Jun 6 04:36:59 2014
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: render: Don't generate invalid pixman format when using a 24bpp
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framebuffer with a 32bit depth visual.
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From: Robert Ancell <robert.ancell@canonical.com>
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X-Patchwork-Id: 27240
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Message-Id: <1402029419-6400-1-git-send-email-robert.ancell@canonical.com>
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To: xorg-devel@lists.x.org
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Cc: Robert Ancell <robert.ancell@canonical.com>
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Date: Fri, 6 Jun 2014 16:36:59 +1200
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When using the fb backend at 24bpp it allows a visual with 32 bit depth.
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This would cause RENDER to try and create an invalid pixman buffer and hit the
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following assertion when trying to render to it:
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---
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render/picture.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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--- a/render/picture.c
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+++ b/render/picture.c
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@@ -762,6 +762,7 @@ CreatePicture(Picture pid,
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{
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PicturePtr pPicture;
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PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen);
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+ int bpp;
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pPicture = dixAllocateScreenObjectWithPrivates(pDrawable->pScreen,
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PictureRec, PRIVATE_PICTURE);
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@@ -773,7 +774,10 @@ CreatePicture(Picture pid,
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pPicture->id = pid;
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pPicture->pDrawable = pDrawable;
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pPicture->pFormat = pFormat;
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- pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24);
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+ bpp = pDrawable->bitsPerPixel;
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+ if (bpp < pFormat->depth)
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+ bpp = BitsPerPixel (pFormat->depth);
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+ pPicture->format = pFormat->format | (bpp << 24);
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/* security creation/labeling check */
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*error = XaceHook(XACE_RESOURCE_ACCESS, client, pid, PictureType, pPicture,
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@ -1,3 +1,13 @@
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-------------------------------------------------------------------
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Mon Aug 18 17:33:34 CEST 2014 - tiwai@suse.de
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- A better fix for 24bpp graphics problem with cirrus KMS
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(bnc#890599); Adding a new patch:
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U_fb-Fix-invalid-bpp-for-24bit-depth-window.patch
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while obsoleting two patches:
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u_render-Don-t-generate-invalid-pixman-format-when-using-a-24bpp-framebuffer-with-a-32bit-depth-visual.patch
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u_fb-Correctly-implement-CopyArea-when-using-a-window-with-depth-32-and-24bpp.patch
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-------------------------------------------------------------------
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Fri Aug 15 12:09:12 UTC 2014 - sndirsch@suse.com
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@ -156,8 +156,7 @@ Patch110: u_connection-avoid-crash-when-CloseWellKnownConnections-gets-cal
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Patch111: u_CloseConsole-Don-t-report-FatalError-when-shutting-down.patch
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Patch112: u_render-Cast-color-masks-to-unsigned-long-before-shifting-them.patch
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Patch130: U_BellProc-Send-bell-event-on-core-protocol-bell-when-requested.patch
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Patch131: u_render-Don-t-generate-invalid-pixman-format-when-using-a-24bpp-framebuffer-with-a-32bit-depth-visual.patch
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Patch132: u_fb-Correctly-implement-CopyArea-when-using-a-window-with-depth-32-and-24bpp.patch
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Patch131: U_fb-Fix-invalid-bpp-for-24bit-depth-window.patch
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Patch1000: n_xserver-optimus-autoconfig-hack.patch
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@ -240,7 +239,6 @@ cp %{SOURCE90} .
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%patch112 -p1
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%patch130 -p1
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%patch131 -p1
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%patch132 -p1
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%patch1000 -p1
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### disabled for now
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