diff options
author | Andreas Sturmlechner <asturm@gentoo.org> | 2019-07-28 23:17:43 +0200 |
---|---|---|
committer | Andreas Sturmlechner <asturm@gentoo.org> | 2019-07-28 23:20:48 +0200 |
commit | e77dea4a53648561d5aeee46c779e4d546f979ef (patch) | |
tree | 33f6a9a26a5b7a3bea9c5db0f1dfe9e9996ed5bf /media-libs/zimg/files | |
parent | sys-fs/udisks: Drop 2.7.4-r1 and 2.8.1 (diff) | |
download | gentoo-e77dea4a53648561d5aeee46c779e4d546f979ef.tar.gz gentoo-e77dea4a53648561d5aeee46c779e4d546f979ef.tar.bz2 gentoo-e77dea4a53648561d5aeee46c779e4d546f979ef.zip |
media-libs/zimg: Drop old
Package-Manager: Portage-2.3.69, Repoman-2.3.16
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
Diffstat (limited to 'media-libs/zimg/files')
-rw-r--r-- | media-libs/zimg/files/zimg-2.7.5-sse2.patch | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/media-libs/zimg/files/zimg-2.7.5-sse2.patch b/media-libs/zimg/files/zimg-2.7.5-sse2.patch deleted file mode 100644 index 77483ab59e73..000000000000 --- a/media-libs/zimg/files/zimg-2.7.5-sse2.patch +++ /dev/null @@ -1,231 +0,0 @@ -From e30112df0ca703be82ed2c852511916fc46defbd Mon Sep 17 00:00:00 2001 -From: sekrit-twc <noreply@example.com> -Date: Fri, 22 Mar 2019 18:51:14 -0700 -Subject: [PATCH] colorspace: use bfloat16 for SSE2 linear-to-gamma LUT - -On Skylake, processing 512 pixel array: - -direction cycles/sample cycles/pxvector - g->l 2.35 9.43 - l->g 2.49 9.97 ---- - .../colorspace/x86/operation_impl_avx2.cpp | 3 +- - .../colorspace/x86/operation_impl_sse2.cpp | 104 ++++++++++++++++-- - test/colorspace/x86/colorspace_sse2_test.cpp | 14 +-- - 3 files changed, 100 insertions(+), 21 deletions(-) - -diff --git a/src/zimg/colorspace/x86/operation_impl_avx2.cpp b/src/zimg/colorspace/x86/operation_impl_avx2.cpp -index bbbbf896..f0e7f792 100644 ---- a/src/zimg/colorspace/x86/operation_impl_avx2.cpp -+++ b/src/zimg/colorspace/x86/operation_impl_avx2.cpp -@@ -114,8 +114,7 @@ class ToGammaLutOperationAVX2 final : public Operation { - { - EnsureSinglePrecision x87; - -- // Allocate an extra LUT entry so that indexing can be done by multipying by a power of 2. -- for (unsigned long i = 0; i <= UINT16_MAX; ++i) { -+ for (size_t i = 0; i <= UINT16_MAX; ++i) { - uint16_t half = static_cast<uint16_t>(i); - float x = _mm_cvtss_f32(_mm_cvtph_ps(_mm_set1_epi16(half))); - m_lut[i] = func(x * prescale); -diff --git a/src/zimg/colorspace/x86/operation_impl_sse2.cpp b/src/zimg/colorspace/x86/operation_impl_sse2.cpp -index 48645031..da9d4dbc 100644 ---- a/src/zimg/colorspace/x86/operation_impl_sse2.cpp -+++ b/src/zimg/colorspace/x86/operation_impl_sse2.cpp -@@ -3,11 +3,13 @@ - #include <algorithm> - #include <cstddef> - #include <cstdint> -+#include <type_traits> - #include <vector> - #include <emmintrin.h> - #include "common/align.h" - #include "common/ccdep.h" - #include "common/make_unique.h" -+#include "common/x86/sse2_util.h" - #include "colorspace/gamma.h" - #include "colorspace/operation.h" - #include "colorspace/operation_impl.h" -@@ -20,14 +22,25 @@ namespace { - - constexpr unsigned LUT_DEPTH = 16; - --void lut_filter_line(const float *RESTRICT lut, unsigned lut_depth, float prescale, const float *src, float *dst, unsigned left, unsigned right) -+template <class T, class U> -+T bit_cast(const U &x) noexcept -+{ -+ static_assert(sizeof(T) == sizeof(U), "object sizes must match"); -+ static_assert(std::is_pod<T>::value && std::is_pod<U>::value, "object types must be POD"); -+ -+ T ret; -+ std::copy_n(reinterpret_cast<const char *>(&x), sizeof(x), reinterpret_cast<char *>(&ret)); -+ return ret; -+} -+ -+void to_linear_lut_filter_line(const float *RESTRICT lut, unsigned lut_depth, const float *src, float *dst, unsigned left, unsigned right) - { - unsigned vec_left = ceil_n(left, 4); - unsigned vec_right = floor_n(right, 4); - - const int32_t lut_limit = static_cast<int32_t>(1) << lut_depth; - -- const __m128 scale = _mm_set_ps1(0.5f * prescale * lut_limit); -+ const __m128 scale = _mm_set_ps1(0.5f * lut_limit); - const __m128 offset = _mm_set_ps1(0.25f * lut_limit); - const __m128i limit = _mm_set1_epi16(std::min(lut_limit + INT16_MIN, static_cast<int32_t>(INT16_MAX))); - const __m128i bias_epi16 = _mm_set1_epi16(INT16_MIN); -@@ -73,16 +86,61 @@ void lut_filter_line(const float *RESTRICT lut, unsigned lut_depth, float presca - } - } - -+void to_gamma_lut_filter_line(const float *RESTRICT lut, const float *src, float *dst, unsigned left, unsigned right) -+{ -+ unsigned vec_left = ceil_n(left, 4); -+ unsigned vec_right = floor_n(right, 4); -+ -+ for (unsigned j = left; j < vec_left; ++j) { -+ __m128i x = _mm_castps_si128(_mm_load_ss(src + j)); -+ __m128i msb = _mm_srli_epi32(x, 16); -+ __m128i lsb = _mm_and_si128(_mm_srli_epi32(x, 15), _mm_set1_epi32(1)); -+ x = mm_packus_epi32(msb, lsb); -+ x = _mm_adds_epi16(x, _mm_shuffle_epi32(x, _MM_SHUFFLE(1, 0, 3, 2))); -+ -+ dst[j] = lut[_mm_cvtsi128_si32(x)]; -+ } -+ for (unsigned j = vec_left; j < vec_right; j += 4) { -+ __m128i x = _mm_castps_si128(_mm_load_ps(src + j)); -+ __m128i msb = _mm_srli_epi32(x, 16); -+ __m128i lsb = _mm_and_si128(_mm_srli_epi32(x, 15), _mm_set1_epi32(1)); -+ x = mm_packus_epi32(msb, lsb); -+ x = _mm_adds_epi16(x, _mm_shuffle_epi32(x, _MM_SHUFFLE(1, 0, 3, 2))); -+ -+#if SIZE_MAX >= UINT64_MAX -+ uint64_t tmp = _mm_cvtsi128_si64(x); -+ dst[j + 0] = lut[tmp & 0xFFFFU]; -+ dst[j + 1] = lut[(tmp >> 16) & 0xFFFFU]; -+ dst[j + 2] = lut[(tmp >> 32) & 0xFFFFU]; -+ dst[j + 3] = lut[tmp >> 48]; -+#else -+ uint32_t tmp0 = _mm_cvtsi128_si32(x); -+ uint32_t tmp1 = _mm_cvtsi128_si32(_mm_shuffle_epi32(x, _MM_SHUFFLE(3, 2, 0, 1))); -+ dst[j + 0] = lut[tmp0 & 0xFFFFU]; -+ dst[j + 1] = lut[tmp0 >> 16]; -+ dst[j + 2] = lut[tmp1 & 0xFFFFU]; -+ dst[j + 3] = lut[tmp1 >> 16]; -+#endif -+ } -+ for (unsigned j = vec_right; j < right; ++j) { -+ __m128i x = _mm_castps_si128(_mm_load_ss(src + j)); -+ __m128i msb = _mm_srli_epi32(x, 16); -+ __m128i lsb = _mm_and_si128(_mm_srli_epi32(x, 15), _mm_set1_epi32(1)); -+ x = mm_packus_epi32(msb, lsb); -+ x = _mm_adds_epi16(x, _mm_shuffle_epi32(x, _MM_SHUFFLE(1, 0, 3, 2))); -+ -+ dst[j] = lut[_mm_cvtsi128_si32(x)]; -+ } -+} -+ - --class LutOperationSSE2 final : public Operation { -+class ToLinearLutOperationSSE2 final : public Operation { - std::vector<float> m_lut; - unsigned m_lut_depth; -- float m_prescale; - public: -- LutOperationSSE2(gamma_func func, unsigned lut_depth, float prescale, float postscale) : -+ ToLinearLutOperationSSE2(gamma_func func, unsigned lut_depth, float postscale) : - m_lut((1UL << lut_depth) + 1), -- m_lut_depth{ lut_depth }, -- m_prescale{ static_cast<float>(prescale) } -+ m_lut_depth{ lut_depth } - { - EnsureSinglePrecision x87; - -@@ -95,9 +153,31 @@ class LutOperationSSE2 final : public Operation { - - void process(const float * const *src, float * const *dst, unsigned left, unsigned right) const override - { -- lut_filter_line(m_lut.data(), m_lut_depth, m_prescale, src[0], dst[0], left, right); -- lut_filter_line(m_lut.data(), m_lut_depth, m_prescale, src[1], dst[1], left, right); -- lut_filter_line(m_lut.data(), m_lut_depth, m_prescale, src[2], dst[2], left, right); -+ to_linear_lut_filter_line(m_lut.data(), m_lut_depth, src[0], dst[0], left, right); -+ to_linear_lut_filter_line(m_lut.data(), m_lut_depth, src[1], dst[1], left, right); -+ to_linear_lut_filter_line(m_lut.data(), m_lut_depth, src[2], dst[2], left, right); -+ } -+}; -+ -+class ToGammaLutOperationSSE2 final : public Operation { -+ std::vector<float> m_lut; -+public: -+ ToGammaLutOperationSSE2(gamma_func func, float prescale) : -+ m_lut(static_cast<uint32_t>(UINT16_MAX) + 1) -+ { -+ EnsureSinglePrecision x87; -+ -+ for (size_t i = 0; i <= UINT16_MAX; ++i) { -+ float x = bit_cast<float>(static_cast<uint32_t>(i << 16)); -+ m_lut[i] = func(x * prescale); -+ } -+ } -+ -+ void process(const float * const *src, float * const *dst, unsigned left, unsigned right) const override -+ { -+ to_gamma_lut_filter_line(m_lut.data(), src[0], dst[0], left, right); -+ to_gamma_lut_filter_line(m_lut.data(), src[1], dst[1], left, right); -+ to_gamma_lut_filter_line(m_lut.data(), src[2], dst[2], left, right); - } - }; - -@@ -109,7 +189,7 @@ std::unique_ptr<Operation> create_gamma_operation_sse2(const TransferFunction &t - if (!params.approximate_gamma) - return nullptr; - -- return ztd::make_unique<LutOperationSSE2>(transfer.to_gamma, LUT_DEPTH, transfer.to_gamma_scale, 1.0f); -+ return ztd::make_unique<ToGammaLutOperationSSE2>(transfer.to_gamma, transfer.to_gamma_scale); - } - - std::unique_ptr<Operation> create_inverse_gamma_operation_sse2(const TransferFunction &transfer, const OperationParams ¶ms) -@@ -117,7 +197,7 @@ std::unique_ptr<Operation> create_inverse_gamma_operation_sse2(const TransferFun - if (!params.approximate_gamma) - return nullptr; - -- return ztd::make_unique<LutOperationSSE2>(transfer.to_linear, LUT_DEPTH, 1.0f, transfer.to_linear_scale); -+ return ztd::make_unique<ToLinearLutOperationSSE2>(transfer.to_linear, LUT_DEPTH, transfer.to_linear_scale); - } - - } // namespace colorspace -diff --git a/test/colorspace/x86/colorspace_sse2_test.cpp b/test/colorspace/x86/colorspace_sse2_test.cpp -index d5130868..ecaa05e7 100644 ---- a/test/colorspace/x86/colorspace_sse2_test.cpp -+++ b/test/colorspace/x86/colorspace_sse2_test.cpp -@@ -53,9 +53,9 @@ TEST(ColorspaceConversionSSE2Test, test_transfer_lut) - "162687e701627cdc17283a32c36ea711d28a953e" - }, - { -- "492587e7ed75b7e3ab868bead6ade7a4137c6ea1", -- "3b0694e9fbce61466cb5a575f300d784089b6cad", -- "b68f103f52ccafae867d664d7f27fe56ae9208af" -+ "95f2715bd0d417028bebd5c5377180fcd5b01119", -+ "76f7c88b198f1ab08167f8162c1237b54f22007a", -+ "1099c3ae187c0a9f79acb9445761b6056218c779" - }, - { - "4c0b5ffe768a7812d1ef102b4d8d52614838bc8e", -@@ -63,13 +63,13 @@ TEST(ColorspaceConversionSSE2Test, test_transfer_lut) - "85a277a80dfca2e21789cedd76aaee307dbc4562" - }, - { -- "df546ce0ad6f859499a96d2d697d896067e60e38", -- "f0041b8a008ab45f0ea1319090ac7e8be0990d92", -- "06880efb598e41f96fa79e04dbdfcccd50d6dc6f" -+ "5e35786d313e936566d9873ba7a08a8d6005b2ee", -+ "829fa88acfbbb26801871bf3cadf5cc2eb6830c9", -+ "f82fcad18a19b548d419a1952b6a7a423a684b62" - }, - }; - const double expected_tolinear_snr = 80.0; -- const double expected_togamma_snr = 40.0; -+ const double expected_togamma_snr = 60.0; - - SCOPED_TRACE("tolinear 709"); - test_case({ MatrixCoefficients::RGB, TransferCharacteristics::REC_709, ColorPrimaries::UNSPECIFIED }, |