mirror of
https://github.com/opencv/opencv.git
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106 lines
4.4 KiB
Diff
106 lines
4.4 KiB
Diff
diff --git a/3rdparty/libpng/CMakeLists.txt b/3rdparty/libpng/CMakeLists.txt
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index fee9c99..eaf2095 100644
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--- a/3rdparty/libpng/CMakeLists.txt
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+++ b/3rdparty/libpng/CMakeLists.txt
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@@ -33,6 +33,11 @@ if(ENABLE_NEON)
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add_definitions(-DPNG_ARM_NEON_OPT=2)
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endif()
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+if(ENABLE_SSE)
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+ list(APPEND lib_srcs contrib/intel/intel_init.c contrib/intel/filter_sse2_intrinsics.c)
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+ add_definitions(-DPNG_INTEL_SSE)
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+endif()
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+
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# ----------------------------------------------------------------------------------
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# Define the library target:
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# ----------------------------------------------------------------------------------
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diff --git a/3rdparty/libpng/pngpriv.h b/3rdparty/libpng/pngpriv.h
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index fe3355d..c0aa785 100644
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--- a/3rdparty/libpng/pngpriv.h
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+++ b/3rdparty/libpng/pngpriv.h
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@@ -182,6 +182,42 @@
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# endif
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#endif /* PNG_ARM_NEON_OPT > 0 */
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+#ifndef PNG_INTEL_SSE_OPT
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+# ifdef PNG_INTEL_SSE
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+ /* Only check for SSE if the build configuration has been modified to
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+ * enable SSE optimizations. This means that these optimizations will
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+ * be off by default. See contrib/intel for more details.
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+ */
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+# if defined(__SSE4_1__) || defined(__AVX__) || defined(__SSSE3__) || \
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+ defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \
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+ (defined(_M_IX86_FP) && _M_IX86_FP >= 2)
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+# define PNG_INTEL_SSE_OPT 1
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+# endif
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+# endif
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+#endif
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+
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+#if defined(PNG_INTEL_SSE_OPT) && PNG_INTEL_SSE_OPT > 0
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+# ifndef PNG_INTEL_SSE_IMPLEMENTATION
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+# if defined(__SSE4_1__) || defined(__AVX__)
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+ /* We are not actually using AVX, but checking for AVX is the best
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+ way we can detect SSE4.1 and SSSE3 on MSVC.
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+ */
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+# define PNG_INTEL_SSE_IMPLEMENTATION 3
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+# elif defined(__SSSE3__)
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+# define PNG_INTEL_SSE_IMPLEMENTATION 2
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+# elif defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \
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+ (defined(_M_IX86_FP) && _M_IX86_FP >= 2)
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+# define PNG_INTEL_SSE_IMPLEMENTATION 1
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+# else
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+# define PNG_INTEL_SSE_IMPLEMENTATION 0
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+# endif
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+# endif
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+
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+# if PNG_INTEL_SSE_IMPLEMENTATION > 0
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+# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_sse2
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+# endif
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+#endif
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+
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/* Is this a build of a DLL where compilation of the object modules requires
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* different preprocessor settings to those required for a simple library? If
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* so PNG_BUILD_DLL must be set.
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@@ -457,7 +493,7 @@
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/* Memory model/platform independent fns */
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#ifndef PNG_ABORT
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-# ifdef _WINDOWS_
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+# if defined(_WINDOWS_) && !defined(WINRT)
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# define PNG_ABORT() ExitProcess(0)
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# else
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# define PNG_ABORT() abort()
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@@ -1190,6 +1226,21 @@ PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_neon,(png_row_infop
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PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_neon,(png_row_infop
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row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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#endif
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+
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+#if defined(PNG_INTEL_SSE_IMPLEMENTATION) && PNG_INTEL_SSE_IMPLEMENTATION > 0
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+PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_sse2,(png_row_infop
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+ row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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+PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_sse2,(png_row_infop
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+ row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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+PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_sse2,(png_row_infop
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+ row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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+PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_sse2,(png_row_infop
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+ row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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+PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_sse2,(png_row_infop
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+ row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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+PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_sse2,(png_row_infop
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+ row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
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+#endif
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/* Choose the best filter to use and filter the row data */
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PNG_INTERNAL_FUNCTION(void,png_write_find_filter,(png_structrp png_ptr,
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@@ -1919,6 +1970,10 @@ PNG_INTERNAL_FUNCTION(void, PNG_FILTER_OPTIMIZATIONS, (png_structp png_ptr,
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PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_neon,
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(png_structp png_ptr, unsigned int bpp), PNG_EMPTY);
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# endif
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+# if defined(PNG_INTEL_SSE_IMPLEMENTATION) && PNG_INTEL_SSE_IMPLEMENTATION > 0
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+PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_sse2,
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+ (png_structp png_ptr, unsigned int bpp), PNG_EMPTY);
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+# endif
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#endif
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PNG_INTERNAL_FUNCTION(png_uint_32, png_check_keyword, (png_structrp png_ptr,
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