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Make usage of simd in gfx optional
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5e72173e8c
commit
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4 changed files with 12 additions and 4 deletions
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@ -5,7 +5,7 @@
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use app_units::Au;
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use euclid::Point2D;
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use range::{self, EachIndex, Range, RangeIndex};
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#[cfg(any(target_feature = "sse2", target_feature = "neon"))]
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#[cfg(all(feature = "unstable", any(target_feature = "sse2", target_feature = "neon")))]
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use simd::u32x4;
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use std::{fmt, mem, u16};
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use std::cmp::{Ordering, PartialOrd};
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@ -74,6 +74,7 @@ pub type GlyphId = u32;
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// TODO: make this more type-safe.
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const FLAG_CHAR_IS_SPACE: u32 = 0x40000000;
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#[cfg(feature = "unstable")]
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#[cfg(any(target_feature = "sse2", target_feature = "neon"))]
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const FLAG_CHAR_IS_SPACE_SHIFT: u32 = 30;
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const FLAG_IS_SIMPLE_GLYPH: u32 = 0x80000000;
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@ -591,6 +592,7 @@ impl<'a> GlyphStore {
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}
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#[inline]
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#[cfg(feature = "unstable")]
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#[cfg(any(target_feature = "sse2", target_feature = "neon"))]
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fn advance_for_byte_range_simple_glyphs(&self, range: &Range<ByteIndex>, extra_word_spacing: Au) -> Au {
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let advance_mask = u32x4::splat(GLYPH_ADVANCE_MASK);
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@ -634,13 +636,14 @@ impl<'a> GlyphStore {
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/// When SIMD isn't available, fallback to the slow path.
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#[inline]
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#[cfg(not(any(target_feature = "sse2", target_feature = "neon")))]
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#[cfg(not(all(feature = "unstable", any(target_feature = "sse2", target_feature = "neon"))))]
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fn advance_for_byte_range_simple_glyphs(&self, range: &Range<ByteIndex>, extra_word_spacing: Au) -> Au {
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self.advance_for_byte_range_slow_path(range, extra_word_spacing)
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}
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/// Used for SIMD.
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#[inline]
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#[cfg(feature = "unstable")]
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#[cfg(any(target_feature = "sse2", target_feature = "neon"))]
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#[allow(unsafe_code)]
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fn transmute_entry_buffer_to_u32_buffer(&self) -> &[u32] {
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