Accepting request 131509 from home:fcrozat:branches:X11:XOrg
- Add u_mesa-8.0-llvmpipe-shmget.patch (Fedora): use shmget under llvmpipe, if available and if bpp isn't 24. - Update u_mesa-8.0.1-fix-16bpp.patch to work with shmget patch. OBS-URL: https://build.opensuse.org/request/show/131509 OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/Mesa?expand=0&rev=237
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@ -1,3 +1,10 @@
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-------------------------------------------------------------------
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Thu Aug 23 15:29:34 UTC 2012 - fcrozat@suse.com
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- Add u_mesa-8.0-llvmpipe-shmget.patch (Fedora): use shmget under
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llvmpipe, if available and if bpp isn't 24.
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- Update u_mesa-8.0.1-fix-16bpp.patch to work with shmget patch.
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-------------------------------------------------------------------
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Wed Aug 8 15:43:20 CEST 2012 - tiwai@suse.de
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@ -96,6 +96,8 @@ Patch13: u_mesa-8.0.1-fix-16bpp.patch
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# Patch to remove OS ABI tag from libGL, so it is no longer preferred over libGLs without OS ABI tag
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Patch14: u_remove-os-abi-tag.patch
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Patch15: U_i965-gen7-Reduce-GT1-WM-thread-count-according-to-up.patch
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# Patch from Fedora, use shmget when available, under llvmpipe
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Patch16: u_mesa-8.0-llvmpipe-shmget.patch
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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%description
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@ -476,6 +478,7 @@ packages.
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rm -rf docs/README.{VMS,WIN32,OS2}
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#%patch11 -p1
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%patch12 -p1
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%patch16 -p1
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%patch13 -p1
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%patch14 -p1
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%patch15 -p1
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156
u_mesa-8.0-llvmpipe-shmget.patch
Normal file
156
u_mesa-8.0-llvmpipe-shmget.patch
Normal file
@ -0,0 +1,156 @@
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diff -up mesa-20120424/src/gallium/state_trackers/dri/sw/drisw.c.jx mesa-20120424/src/gallium/state_trackers/dri/sw/drisw.c
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--- mesa-20120424/src/gallium/state_trackers/dri/sw/drisw.c.jx 2012-04-24 07:37:03.000000000 -0400
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+++ mesa-20120424/src/gallium/state_trackers/dri/sw/drisw.c 2012-05-16 13:30:36.596312047 -0400
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@@ -252,8 +252,6 @@ drisw_update_tex_buffer(struct dri_drawa
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struct pipe_transfer *transfer;
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char *map;
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int x, y, w, h;
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- int ximage_stride, line;
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- int cpp = util_format_get_blocksize(res->format);
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get_drawable_info(dPriv, &x, &y, &w, &h);
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@@ -266,14 +264,6 @@ drisw_update_tex_buffer(struct dri_drawa
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/* Copy the Drawable content to the mapped texture buffer */
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get_image(dPriv, x, y, w, h, map);
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- /* The pipe transfer has a pitch rounded up to the nearest 64 pixels. */
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- ximage_stride = w * cpp;
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- for (line = h-1; line; --line) {
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- memmove(&map[line * transfer->stride],
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- &map[line * ximage_stride],
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- ximage_stride);
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- }
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-
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pipe_transfer_unmap(pipe, transfer);
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pipe_transfer_destroy(pipe, transfer);
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}
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diff -up mesa-20120424/src/glx/drisw_glx.c.jx mesa-20120424/src/glx/drisw_glx.c
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--- mesa-20120424/src/glx/drisw_glx.c.jx 2012-04-24 07:37:03.000000000 -0400
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+++ mesa-20120424/src/glx/drisw_glx.c 2012-05-16 13:29:25.087965268 -0400
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@@ -24,6 +24,9 @@
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#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
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#include <X11/Xlib.h>
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+#include <sys/ipc.h>
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+#include <sys/shm.h>
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+#include <X11/extensions/XShm.h>
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#include "glxclient.h"
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#include <dlfcn.h>
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#include "dri_common.h"
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@@ -206,6 +209,96 @@ swrastPutImage(__DRIdrawable * draw, int
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ximage->data = NULL;
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}
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+static int shm_error;
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+
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+static int
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+shm_handler(Display *d, XErrorEvent *e)
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+{
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+ shm_error = 1;
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+ return 0;
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+}
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+
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+static int
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+align(int value, int alignment)
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+{
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+ return (value + alignment - 1) & ~(alignment - 1);
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+}
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+
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+/*
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+ * Slight fast path. Short of changing how texture memory is allocated, we
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+ * have two options for getting the pixels out. GetImage is clamped by the
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+ * server's write buffer size, so you end up doing lots of relatively small
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+ * requests (128k each or so), with two memcpys: down into the kernel, and
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+ * then back up. ShmGetImage is one big blit into the shm segment (which
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+ * could be GPU DMA, in principle) and then another one here.
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+ */
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+static Bool
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+swrastShmGetImage(__DRIdrawable *read, char *data, struct drisw_drawable *prp)
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+{
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+ __GLXDRIdrawable *pread = &(prp->base);
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+ Display *dpy = pread->psc->dpy;
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+ XImage *ximage = prp->ximage;
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+ unsigned long image_size = ximage->height * ximage->bytes_per_line;
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+ Bool ret = 0;
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+ XShmSegmentInfo seg = { 0, -1, (void *)-1, 0 };
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+ int (*old_handler)(Display *, XErrorEvent *);
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+
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+ if (!XShmQueryExtension(dpy))
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+ goto out;
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+
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+ /* image setup */
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+ seg.shmid = shmget(IPC_PRIVATE, image_size, IPC_CREAT | 0777);
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+ if (seg.shmid < 0)
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+ goto out;
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+
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+ seg.shmaddr = shmat(seg.shmid, NULL, 0);
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+ if (seg.shmaddr == (void *)-1)
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+ goto out;
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+
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+ XSync(dpy, 0);
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+ old_handler = XSetErrorHandler(shm_handler);
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+ XShmAttach(dpy, &seg);
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+ XSync(dpy, 0);
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+ XSetErrorHandler(old_handler);
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+ if (shm_error)
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+ goto out;
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+
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+ ximage->data = seg.shmaddr;
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+ ximage->obdata = &seg;
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+ if (!XShmGetImage(dpy, pread->xDrawable, ximage, 0, 0, -1))
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+ goto out;
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+
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+ /*
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+ * ShmGetImage doesn't actually pay attention to ->bytes_per_line.
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+ * We have to compensate for this somewhere since llvmpipe's natural
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+ * tile width is 64. Do it here so we don't have to undo it with a
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+ * bunch of memmove in the driver.
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+ */
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+ do {
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+ int i;
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+ char *src = ximage->data;
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+ int dst_width = align(ximage->width * ximage->bits_per_pixel / 8, 256);
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+
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+ for (i = 0; i < ximage->height; i++) {
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+ memcpy(data, src, ximage->bytes_per_line);
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+ data += dst_width;
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+ src += ximage->bytes_per_line;
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+ }
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+ } while (0);
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+ ret = 1;
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+
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+out:
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+ ximage->obdata = NULL;
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+ ximage->data = NULL;
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+ shm_error = 0;
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+ XShmDetach(dpy, &seg);
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+ if (seg.shmaddr != (void *)-1)
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+ shmdt(seg.shmaddr);
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+ if (seg.shmid > -1)
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+ shmctl(seg.shmid, IPC_RMID, NULL);
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+ return ret;
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+}
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+
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static void
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swrastGetImage(__DRIdrawable * read,
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int x, int y, int w, int h,
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@@ -220,11 +313,17 @@ swrastGetImage(__DRIdrawable * read,
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readable = pread->xDrawable;
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ximage = prp->ximage;
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- ximage->data = data;
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ximage->width = w;
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ximage->height = h;
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ximage->bytes_per_line = bytes_per_line(w * ximage->bits_per_pixel, 32);
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+ /* XXX check dimensions, if any caller ever sub-images */
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+ if (swrastShmGetImage(read, data, prp))
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+ return;
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+
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+ /* shm failed, fall back to protocol */
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+ ximage->data = data;
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+
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XGetSubImage(dpy, readable, x, y, w, h, ~0L, ZPixmap, ximage, 0, 0);
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ximage->data = NULL;
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@ -1,3 +1,17 @@
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diff -up Mesa-8.0.1/src/glx/drisw_glx.c.jx Mesa-8.0.1/src/glx/drisw_glx.c
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--- Mesa-8.0.1/src/glx/drisw_glx.c.jx 2012-04-02 10:34:23.000000000 -0400
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+++ Mesa-8.0.1/src/glx/drisw_glx.c 2012-04-02 11:44:19.296407735 -0400
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@@ -274,7 +274,9 @@ swrastShmGetImage(__DRIdrawable *read, c
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do {
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int i;
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char *src = ximage->data;
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- int dst_width = align(ximage->width * ximage->bits_per_pixel / 8, 256);
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+ int bytes_per_pixel = ((ximage->bits_per_pixel + 7) / 8);
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+ int dst_width = align(ximage->width * bytes_per_pixel,
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+ 64 * bytes_per_pixel);
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for (i = 0; i < ximage->height; i++) {
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memcpy(data, src, ximage->bytes_per_line);
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diff -up Mesa-8.0.1/src/mesa/state_tracker/st_manager.c.jx Mesa-8.0.1/src/mesa/state_tracker/st_manager.c
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--- Mesa-8.0.1/src/mesa/state_tracker/st_manager.c.jx 2012-02-14 18:44:00.000000000 -0500
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+++ Mesa-8.0.1/src/mesa/state_tracker/st_manager.c 2012-04-02 12:02:14.613964417 -0400
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