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path: root/src/blitter/32bpp_ssse3.cpp
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Diffstat (limited to 'src/blitter/32bpp_ssse3.cpp')
-rw-r--r--src/blitter/32bpp_ssse3.cpp99
1 files changed, 43 insertions, 56 deletions
diff --git a/src/blitter/32bpp_ssse3.cpp b/src/blitter/32bpp_ssse3.cpp
index 531262162..ebfc3ce6d 100644
--- a/src/blitter/32bpp_ssse3.cpp
+++ b/src/blitter/32bpp_ssse3.cpp
@@ -50,7 +50,7 @@ inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel
/* Load these variables into register before loop. */
const __m128i a_cm = ALPHA_CONTROL_MASK;
- const __m128i pack_hi_cm = PACK_HIGH_CONTROL_MASK;
+ const __m128i pack_low_cm = PACK_LOW_CONTROL_MASK;
const __m128i briAB_cm = BRIGHTNESS_LOW_CONTROL_MASK;
const __m128i div_cleaner = BRIGHTNESS_DIV_CLEANER;
const __m128i ob_check = OVERBRIGHT_PRESENCE_MASK;
@@ -79,27 +79,19 @@ inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel
}
case RM_WITH_SKIP: {
- __m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
- __m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
for (uint x = (uint) effective_width / 2; x > 0; x--) {
- ALPHA_BLEND_2(pack_hi_cm);
- /* With high repack, srcABCD have its 2 blended pixels like: [S0 S1 S2 S3] -> [-- -- BS0 BS1]
- * dstABCD shuffled: [D0 D1 D2 D3] -> [D2 D3 D0 D0]
- * PALIGNR takes what's in (): [-- -- (BS0 BS1] [D2 D3) D0 D0]
- */
- dstABCD = _mm_shuffle_epi32(dstABCD, 0x0E);
- srcABCD = _mm_alignr_epi8(dstABCD, srcABCD, 8);
- Colour *old_dst = dst;
+ __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
+ __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
+ ALPHA_BLEND_2(pack_low_cm);
+ _mm_storel_epi64((__m128i*) dst, srcABCD);
src += 2;
dst += 2;
- /* It is VERY important to read next data before it gets invalidated in cpu cache. */
- dstABCD = _mm_loadu_si128((__m128i*) dst);
- _mm_storeu_si128((__m128i *) old_dst, srcABCD);
- srcABCD = _mm_loadu_si128((const __m128i*) src);
}
if (bt_last == BT_ODD) {
- ALPHA_BLEND_2(pack_hi_cm);
- (*dst).data = EXTR32(srcABCD, 2);
+ __m128i srcABCD = _mm_cvtsi32_si128(src->data);
+ __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
+ ALPHA_BLEND_2(pack_low_cm);
+ dst->data = _mm_cvtsi128_si32(srcABCD);
}
break;
}
@@ -117,18 +109,18 @@ inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel
const int width_diff = si->sprite_width - bp->width;
effective_width = bp->width - (int) src_rgba_line[0].data;
const int delta_diff = (int) src_rgba_line[1].data - width_diff;
- const int nd = effective_width - delta_diff;
- effective_width = delta_diff > 0 ? nd : effective_width;
+ const int new_width = effective_width - delta_diff;
+ effective_width = delta_diff > 0 ? new_width : effective_width;
if (effective_width <= 0) break;
/* FALLTHROUGH */
}
case RM_WITH_SKIP: {
- __m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
- __m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
- uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
-
for (uint x = (uint) effective_width / 2; x > 0; x--) {
+ __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
+ __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
+ uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
+
/* Remap colours. */
if (mvX2 & 0x00FF00FF) {
/* Written so the compiler uses CMOV. */
@@ -139,7 +131,7 @@ inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel
Colour c0 = 0; // Use alpha of 0 to keep dst as is.
c0 = r0 == 0 ? c0 : c0map;
c0 = m0 != 0 ? c0 : src0;
- INSR32(c0.data, srcABCD, 0);
+ srcABCD = _mm_cvtsi32_si128(c0.data);
const Colour src1 = src[1];
const uint m1 = (byte) (mvX2 >> 16);
@@ -156,40 +148,36 @@ inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel
}
/* Blend colours. */
- ALPHA_BLEND_2(pack_hi_cm);
- dstABCD = _mm_shuffle_epi32(dstABCD, 0x0E);
- srcABCD = _mm_alignr_epi8(dstABCD, srcABCD, 8);
- Colour *old_dst = dst;
+ ALPHA_BLEND_2(pack_low_cm);
+ _mm_storel_epi64((__m128i *) dst, srcABCD);
dst += 2;
src += 2;
src_mv += 2;
- dstABCD = _mm_loadu_si128((__m128i*) dst);
- _mm_storeu_si128((__m128i *) old_dst, srcABCD);
- mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
- srcABCD = _mm_loadu_si128((const __m128i*) src);
}
if (effective_width & 1) {
- /* In case the m-channel is zero, do not remap this pixel in any way */
- if (src_mv->m == 0) {
- if (src->a < 255) {
- ALPHA_BLEND_2(pack_hi_cm);
- (*dst).data = EXTR32(srcABCD, 2);
- } else {
- *dst = src->data;
- }
- } else {
+ /* In case the m-channel is zero, do not remap this pixel in any way. */
+ __m128i srcABCD;
+ if (src_mv->m) {
const uint r = remap[src_mv->m];
if (r != 0) {
Colour remapped_colour = AdjustBrightness(this->LookupColourInPalette(r), src_mv->v);
- if (src->a < 255) {
- remapped_colour.a = src->a;
- INSR32(remapped_colour.data, srcABCD, 0);
- ALPHA_BLEND_2(pack_hi_cm);
- (*dst).data = EXTR32(srcABCD, 2);
- } else
+ if (src->a == 255) {
*dst = remapped_colour;
+ } else {
+ remapped_colour.a = src->a;
+ srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
+ goto bmcr_alpha_blend_single;
+ }
+ }
+ } else {
+ srcABCD = _mm_cvtsi32_si128(src->data);
+ if (src->a < 255) {
+bmcr_alpha_blend_single:
+ __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
+ ALPHA_BLEND_2(pack_low_cm);
}
+ dst->data = _mm_cvtsi128_si32(srcABCD);
}
}
break;
@@ -200,30 +188,29 @@ inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel
src_mv_line += si->sprite_width;
break;
}
+
case BM_TRANSPARENT: {
/* Make the current colour a bit more black, so it looks like this image is transparent.
* rgb = rgb * ((256/4) * 4 - (alpha/4)) / ((256/4) * 4)
*/
- __m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
- __m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
for (uint x = (uint) bp->width / 2; x > 0; x--) {
+ __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
+ __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
- __m128i dstCD = _mm_unpackhi_epi8(dstABCD, _mm_setzero_si128());
__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);
alphaAB = _mm_srli_epi16(alphaAB, 2); // Reduce to 64 levels of shades so the max value fits in 16 bits.
__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);
dstAB = _mm_mullo_epi16(dstAB, nom);
dstAB = _mm_srli_epi16(dstAB, 8);
- dstAB = _mm_packus_epi16(dstAB, dstCD);
- Colour *old_dst = dst;
+ dstAB = _mm_packus_epi16(dstAB, dstAB);
+ _mm_storel_epi64((__m128i *) dst, dstAB);
src += 2;
dst += 2;
- dstABCD = _mm_loadu_si128((__m128i*) dst);
- _mm_storeu_si128((__m128i *) old_dst, dstAB);
- srcABCD = _mm_loadu_si128((const __m128i*) src);
}
if (bp->width & 1) {
+ __m128i srcABCD = _mm_cvtsi32_si128(src->data);
+ __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);
@@ -232,7 +219,7 @@ inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel
dstAB = _mm_mullo_epi16(dstAB, nom);
dstAB = _mm_srli_epi16(dstAB, 8);
dstAB = _mm_packus_epi16(dstAB, dstAB);
- (*dst).data = EXTR32(dstAB, 0);
+ dst->data = _mm_cvtsi128_si32(dstAB);
}
break;
}
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-07-09 04:33:15 +0000