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dnl Process this file with autoconf to create configure.
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AC_PREREQ([2.60])
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AC_INIT([virglrenderer], [0.4.1],
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[])
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AC_CONFIG_SRCDIR([Makefile.am])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_AUX_DIR([build-aux])
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AC_CONFIG_MACRO_DIR([build-aux])
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AM_INIT_AUTOMAKE([foreign dist-bzip2])
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AC_USE_SYSTEM_EXTENSIONS
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AC_PROG_CC_C99
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# Support silent build rules, requires at least automake-1.11. Disable
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# by either passing --disable-silent-rules to configure or passing V=1
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# to make
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
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[AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
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m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
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AC_DISABLE_STATIC
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LT_INIT([disable-static])
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AC_SYS_LARGEFILE
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AC_CHECK_PROGS([PYTHON2], [python2 python])
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AX_CODE_COVERAGE
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AX_PTHREAD
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AC_ARG_ENABLE([debug],
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[AS_HELP_STRING([--enable-debug],
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[use debug compiler flags and macros @<:@default=disabled@:>@])],
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[enable_debug="$enableval"],
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[enable_debug=no]
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)
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if test "x$enable_debug" = xyes; then
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DEFINES="$DEFINES -DDEBUG"
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if test "x$GCC" = xyes; then
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if ! echo "$CFLAGS" | grep -q -e '-g'; then
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CFLAGS="$CFLAGS -g"
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fi
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if ! echo "$CFLAGS" | grep -q -e '-O'; then
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CFLAGS="$CFLAGS -O0"
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fi
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fi
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if test "x$GXX" = xyes; then
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if ! echo "$CXXFLAGS" | grep -q -e '-g'; then
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CXXFLAGS="$CXXFLAGS -g"
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fi
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if ! echo "$CXXFLAGS" | grep -q -e '-O'; then
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CXXFLAGS="$CXXFLAGS -O0"
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fi
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fi
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fi
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AC_ARG_ENABLE(tests,
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AS_HELP_STRING([--enable-tests], [Build the tests (default=auto)]),
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[build_tests="$enableval"],
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[build_tests="auto"])
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PKG_CHECK_MODULES(CHECK, [check >= 0.9.4], [HAVE_CHECK="yes"], [HAVE_CHECK="no"])
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if test "x$build_tests" = "xauto"; then
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build_tests="$HAVE_CHECK"
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fi
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if test "x$build_tests" = "xyes"; then
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if test "x$HAVE_CHECK" = "xno"; then
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AC_MSG_ERROR([Cannot build tests, check is missing])
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fi
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AC_PATH_PROG(VALGRIND, [valgrind])
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fi
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renderer: use a thread to block for fences.
Instead of polling the fences regularly, have a thread
that blocks for a single fence using a separate shared
context, then uses eventfd to wake up the main thread
when something happens.
Inside the guest, glmark2 typicially runs twice as fast with the thread
sync. Although in general, the performances seems to be about +30%. The
benefits is mostly for CPU-bounds tasks (when main the thread hits 100%)
A naive perf stat of the vtest renderer with glmark2 "build" test with a
fixed number of frames (500) results in the following stats data:
(do not value timing related informations, since the renderer is ran and
stopped manually)
without thread:
3032.282265 task-clock (msec) # 0.420 CPUs utilized
4,277 context-switches # 0.001 M/sec
102 cpu-migrations # 0.034 K/sec
9,020 page-faults # 0.003 M/sec
7,884,098,254 cycles # 2.600 GHz
4,440,126,451 stalled-cycles-frontend # 56.32% frontend cycles idle
<not supported> stalled-cycles-backend
11,024,091,578 instructions # 1.40 insns per cycle
# 0.40 stalled
# cycles per insn
1,091,831,588 branches # 360.069 M/sec
5,426,846 branch-misses # 0.50% of all branches
with thread:
3403.592921 task-clock (msec) # 0.452 CPUs utilized
7,145 context-switches # 0.002 M/sec
410 cpu-migrations # 0.120 K/sec
6,191 page-faults # 0.002 M/sec
7,475,038,064 cycles # 2.196 GHz
4,487,043,071 stalled-cycles-frontend # 60.03% frontend cycles idle
<not supported> stalled-cycles-backend
9,925,205,494 instructions # 1.33 insns per cycle
# 0.45 stalled
# cycles per insn
834,375,503 branches # 245.146 M/sec
4,919,995 branch-misses # 0.59% of all branches
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
9 years ago
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AC_CHECK_FUNCS_ONCE([eventfd])
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AM_CONDITIONAL(HAVE_VALGRIND, [test "x$VALGRIND" != "x"])
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AM_CONDITIONAL(BUILD_TESTS, [test "x$build_tests" = "xyes"])
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LIBDRM_REQUIRED=2.4.50
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PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED])
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PKG_CHECK_MODULES([EPOXY], [epoxy])
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AC_SUBST([DEFINES])
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AC_CONFIG_FILES([
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virglrenderer.pc
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Makefile
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src/Makefile
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src/gallium/auxiliary/Makefile
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vtest/Makefile
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tests/Makefile
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])
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AC_OUTPUT
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