Enable llvmpipe even on non-SSE2 machines (#909473)
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0001-llvmpipe-Work-without-sse2-if-llvm-is-new-enough.patch
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0001-llvmpipe-Work-without-sse2-if-llvm-is-new-enough.patch
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From a499fd73461257f284bd3194f9198dc484acd373 Mon Sep 17 00:00:00 2001
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From: Adam Jackson <ajax@redhat.com>
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Date: Thu, 4 Apr 2013 17:16:22 -0400
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Subject: [PATCH] llvmpipe: Work without sse2 if llvm is new enough
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At least on llvm 3.2 this appears to work fine. Tested on an Athlon XP
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2600+, which has sse and 3dnow but not sse2.
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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---
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src/gallium/drivers/llvmpipe/lp_screen.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
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index 6700887..ebcf680 100644
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--- a/src/gallium/drivers/llvmpipe/lp_screen.c
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+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
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@@ -485,9 +485,10 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
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{
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struct llvmpipe_screen *screen;
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-#ifdef PIPE_ARCH_X86
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- /* require SSE2 due to LLVM PR6960. */
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util_cpu_detect();
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+
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+#if defined(PIPE_ARCH_X86) && HAVE_LLVM < 0x0302
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+ /* require SSE2 due to LLVM PR6960. */
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if (!util_cpu_caps.has_sse2)
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return NULL;
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#endif
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--
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1.8.2
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@ -48,7 +48,7 @@
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Summary: Mesa graphics libraries
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Summary: Mesa graphics libraries
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Name: mesa
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Name: mesa
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Version: 9.1
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Version: 9.1
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Release: 4%{?dist}
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Release: 5%{?dist}
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License: MIT
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License: MIT
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Group: System Environment/Libraries
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Group: System Environment/Libraries
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URL: http://www.mesa3d.org
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URL: http://www.mesa3d.org
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@ -73,7 +73,7 @@ Patch9: mesa-8.0-llvmpipe-shmget.patch
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#Patch11: mesa-8.0-nouveau-tfp-blacklist.patch
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#Patch11: mesa-8.0-nouveau-tfp-blacklist.patch
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Patch12: mesa-8.0.1-fix-16bpp.patch
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Patch12: mesa-8.0.1-fix-16bpp.patch
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Patch14: i965-hack-hiz-snb-fix.patch
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Patch14: i965-hack-hiz-snb-fix.patch
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Patch15: 0001-llvmpipe-Work-without-sse2-if-llvm-is-new-enough.patch
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BuildRequires: pkgconfig autoconf automake libtool
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BuildRequires: pkgconfig autoconf automake libtool
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%if %{with_hardware}
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%if %{with_hardware}
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@ -301,6 +301,7 @@ Mesa shared glapi
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# hack from chromium - awaiting real upstream fix
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# hack from chromium - awaiting real upstream fix
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%patch14 -p1 -b .snbfix
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%patch14 -p1 -b .snbfix
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%patch15 -p1 -b .sse2
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# default to dri (not xlib) for libGL on all arches
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# default to dri (not xlib) for libGL on all arches
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# XXX please fix upstream
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# XXX please fix upstream
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sed -i 's/^default_driver.*$/default_driver="dri"/' configure.ac
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sed -i 's/^default_driver.*$/default_driver="dri"/' configure.ac
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@ -591,6 +592,9 @@ rm -rf $RPM_BUILD_ROOT
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%endif
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%endif
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%changelog
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%changelog
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* Thu Apr 04 2013 Adam Jackson <ajax@redhat.com> 9.1-5
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- Enable llvmpipe even on non-SSE2 machines (#909473)
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* Tue Mar 26 2013 Adam Jackson <ajax@redhat.com> 9.1-4
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* Tue Mar 26 2013 Adam Jackson <ajax@redhat.com> 9.1-4
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- Fix build with private LLVM
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- Fix build with private LLVM
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