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swr: relax c++ requirement from c++14 to c++11

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Remove c++14 generic lambda to keep compiler requirement at c++11.

No regressions on piglit or vtk test suites.

Tested-by: Chuck Atkins <chuck.atkins@kitware.com>
Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>

CC: mesa-stable@lists.freedesktop.org
(cherry picked from commit 0b80b02502)
This commit is contained in:
Tim Rowley 2017-06-08 10:38:52 -05:00 • committed by Emil Velikov
parent 2a7279fa8f
commit 891dafc8e7
4 changed files with 21 additions and 20 deletions
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8
configure.ac
View file

@ -2476,10 +2476,10 @@ if test -n "$with_gallium_drivers"; then
xswr)
llvm_require_version $LLVM_REQUIRED_SWR "swr"
swr_require_cxx_feature_flags "C++14" "__cplusplus >= 201402L" \
"-std=c++14" \
SWR_CXX14_CXXFLAGS
AC_SUBST([SWR_CXX14_CXXFLAGS])
swr_require_cxx_feature_flags "C++11" "__cplusplus >= 201103L" \
",-std=c++11" \
SWR_CXX11_CXXFLAGS
AC_SUBST([SWR_CXX11_CXXFLAGS])
swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
",-mavx,-march=core-avx" \

4
src/gallium/drivers/swr/Makefile.am
View file

@ -22,7 +22,7 @@
include Makefile.sources
include $(top_srcdir)/src/gallium/Automake.inc
AM_CXXFLAGS = $(GALLIUM_DRIVER_CFLAGS) $(SWR_CXX14_CXXFLAGS)
AM_CXXFLAGS = $(GALLIUM_DRIVER_CFLAGS) $(SWR_CXX11_CXXFLAGS)
noinst_LTLIBRARIES = libmesaswr.la
@ -32,7 +32,7 @@ COMMON_CXXFLAGS = \
-fno-strict-aliasing \
$(GALLIUM_DRIVER_CFLAGS) \
$(LLVM_CXXFLAGS) \
$(SWR_CXX14_CXXFLAGS) \
$(SWR_CXX11_CXXFLAGS) \
-I$(builddir)/rasterizer/codegen \
-I$(builddir)/rasterizer/jitter \
-I$(builddir)/rasterizer/archrast \

2
src/gallium/drivers/swr/SConscript
View file

@ -38,7 +38,7 @@ loadersource = env.ParseSourceList('Makefile.sources', [
if not env['msvc'] :
env.Append(CCFLAGS = [
'-std=c++14',
'-std=c++11',
])
swrroot = '#src/gallium/drivers/swr/'

27
src/gallium/drivers/swr/rasterizer/core/state.h
View file

@ -953,26 +953,27 @@ public:
private:
template <typename MaskT>
INLINE __m128i expandThenBlend4(uint32_t* min, uint32_t* max) // @llvm_func_start
{
__m128i vMin = _mm_set1_epi32(*min);
__m128i vMax = _mm_set1_epi32(*max);
return _simd_blend4_epi32<MaskT::value>(vMin, vMax);
} // @llvm_func_end
INLINE void CalcTileSampleOffsets(int numSamples) // @llvm_func_start
{
auto expandThenBlend4 = [](uint32_t* min, uint32_t* max, auto mask)
{
__m128i vMin = _mm_set1_epi32(*min);
__m128i vMax = _mm_set1_epi32(*max);
return _simd_blend4_epi32<decltype(mask)::value>(vMin, vMax);
};
{
auto minXi = std::min_element(std::begin(_xi), &_xi[numSamples]);
auto maxXi = std::max_element(std::begin(_xi), &_xi[numSamples]);
std::integral_constant<int, 0xA> xMask;
using xMask = std::integral_constant<int, 0xA>;
// BR(max), BL(min), UR(max), UL(min)
tileSampleOffsetsX = expandThenBlend4(minXi, maxXi, xMask);
tileSampleOffsetsX = expandThenBlend4<xMask>(minXi, maxXi);
auto minYi = std::min_element(std::begin(_yi), &_yi[numSamples]);
auto maxYi = std::max_element(std::begin(_yi), &_yi[numSamples]);
std::integral_constant<int, 0xC> yMask;
using yMask = std::integral_constant<int, 0xC>;
// BR(max), BL(min), UR(max), UL(min)
tileSampleOffsetsY = expandThenBlend4(minYi, maxYi, yMask);
tileSampleOffsetsY = expandThenBlend4<yMask>(minYi, maxYi);
}; // @llvm_func_end
// scalar sample values
uint32_t _xi[SWR_MAX_NUM_MULTISAMPLES];