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freetype2
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Code Issues 4 Releases Wiki Activity

improve simd

This commit is contained in:
Anurag Thakur 2023-10-08 19:34:11 +05:30
parent 6e79a1ee28
commit 0e4a081e87
2 changed files with 6 additions and 3 deletions
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2
src/base/ftobjs.c
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@ -3154,7 +3154,7 @@ int conic_to2(FT_GlyphSlot* slot, FT_Vector *control, FT_Vector *from, FT_Vector
face->garray = (FT_GlyphSlot*)malloc(
face->driver->clazz->slot_object_size * face->num_glyphs );
//error = FT_Set_Char_Size( face, 0, 160 * 64, 300, 300 );
error = FT_Set_Pixel_Sizes( face, 0, 100);
error = FT_Set_Pixel_Sizes( face, 0, 200);
// int glyph_index = FT_Get_Char_Index( face, 'A' );
// error = FT_Load_Glyph( face, glyph_index, FT_LOAD_NO_HINTING );

7
src/dense/ftdense.c
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@ -467,6 +467,7 @@ dense_render_glyph( dense_worker* worker, const FT_Bitmap* target, FT_PreLine pl
__m128i offset = _mm_setzero_si128();
__m128i nzero = _mm_castps_si128(_mm_set1_ps(-0.0));
for (int i = 0; i < worker->m_h*worker->m_w; i += 4)
{
@ -482,13 +483,15 @@ dense_render_glyph( dense_worker* worker, const FT_Bitmap* target, FT_PreLine pl
x = _mm_add_epi32( x, offset );
__m128i y = _mm_srli_epi32( _mm_abs_epi32( x) , 4 );
y = _mm_packs_epi32(y, nzero);
y = _mm_packus_epi16(y, nzero);
y = _mm_packus_epi16(_mm_packs_epi32(y, nzero), nzero);
// int* ptr = (int*)&dest[i];
_mm_storeu_si32(&dest[i], y);
offset = _mm_shuffle_epi32(x,_MM_SHUFFLE( 3, 3, 3, 3 ) );
}
#elif FT_NEON