mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r26247) -Fix [FS#5854, FS#5855]: Possible out of bounds reads with the sse blitters (MJP)
This commit is contained in:
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54a898be33
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a942619911
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@ -80,10 +80,11 @@ inline void Blitter_32bppSSE4_Anim::Draw(const Blitter::BlitterParams *bp, ZoomL
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}
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case RM_WITH_SKIP: {
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uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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__m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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for (uint x = (uint) effective_width/2; x != 0; x--) {
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uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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/* Remap colours. */
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const byte m0 = mvX2;
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if (m0 >= PALETTE_ANIM_START) {
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@ -125,42 +126,32 @@ inline void Blitter_32bppSSE4_Anim::Draw(const Blitter::BlitterParams *bp, ZoomL
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bmno_alpha_blend:
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ALPHA_BLEND_2(pack_low_cm);
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bmno_full_opacity:
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srcABCD = _mm_blend_epi16(srcABCD, dstABCD, 0xF0);
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src_mv += 2;
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mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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src += 2;
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anim += 2;
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dstABCD = _mm_loadu_si128((__m128i*) (dst+2));
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_mm_storeu_si128((__m128i *) dst, srcABCD);
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srcABCD = _mm_loadu_si128((const __m128i*) src);
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dst += 2;
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continue;
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_mm_storel_epi64((__m128i *) dst, srcABCD);
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bmno_full_transparency:
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src_mv += 2;
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mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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dst += 2;
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src += 2;
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anim += 2;
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dstABCD = _mm_loadu_si128((__m128i*) dst);
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srcABCD = _mm_loadu_si128((const __m128i*) src);
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dst += 2;
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}
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if (bt_last == BT_ODD) {
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if (src->a == 0) {
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} else if (src->a == 255) {
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*anim = (uint16) mvX2;
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*dst = ((byte) mvX2 >= PALETTE_ANIM_START) ? AdjustBrightness(LookupColourInPalette((byte) mvX2), (byte) (mvX2 >> 8)) : *src;
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*anim = *(const uint16*) src_mv;
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*dst = (src_mv->m >= PALETTE_ANIM_START) ? AdjustBrightness(LookupColourInPalette(src_mv->m), src_mv->v) : *src;
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} else {
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*anim = 0;
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if ((byte) mvX2 >= PALETTE_ANIM_START) {
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ALIGN(16) Colour colour = AdjustBrightness(LookupColourInPalette((byte) mvX2), (byte) (mvX2 >> 8));
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__m128i srcABCD;
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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if (src_mv->m >= PALETTE_ANIM_START) {
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Colour colour = AdjustBrightness(LookupColourInPalette(src_mv->m), src_mv->v);
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colour.a = src->a;
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srcABCD = _mm_load_si128((__m128i*) &colour);
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srcABCD = _mm_cvtsi32_si128(colour.data);
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} else {
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srcABCD = _mm_cvtsi32_si128(src->data);
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}
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ALPHA_BLEND_2(pack_low_cm);
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(*dst).data = EXTR32(srcABCD, 0);
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dst->data = _mm_cvtsi128_si32(srcABCD);
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}
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}
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break;
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@ -181,18 +172,18 @@ bmno_full_transparency:
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const int width_diff = si->sprite_width - bp->width;
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effective_width = bp->width - (int) src_rgba_line[0].data;
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const int delta_diff = (int) src_rgba_line[1].data - width_diff;
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const int nd = effective_width - delta_diff;
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effective_width = delta_diff > 0 ? nd : effective_width;
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const int new_width = effective_width - delta_diff;
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effective_width = delta_diff > 0 ? new_width : effective_width;
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if (effective_width <= 0) break;
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/* FALLTHROUGH */
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}
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case RM_WITH_SKIP: {
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uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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__m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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for (uint x = (uint) effective_width / 2; x != 0; x--) {
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uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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/* Remap colours. */
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const uint m0 = (byte) mvX2;
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const uint r0 = remap[m0];
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@ -250,53 +241,40 @@ bmno_full_transparency:
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bmcr_alpha_blend:
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ALPHA_BLEND_2(pack_low_cm);
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bmcr_full_opacity:
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srcABCD = _mm_blend_epi16(srcABCD, dstABCD, 0xF0);
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src += 2;
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src_mv += 2;
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anim += 2;
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mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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dstABCD = _mm_loadu_si128((__m128i*) (dst+2));
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_mm_storeu_si128((__m128i *) dst, srcABCD);
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srcABCD = _mm_loadu_si128((const __m128i*) src);
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dst += 2;
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continue;
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_mm_storel_epi64((__m128i *) dst, srcABCD);
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bmcr_full_transparency:
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src_mv += 2;
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mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
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dst += 2;
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src += 2;
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anim += 2;
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dstABCD = _mm_loadu_si128((__m128i*) dst);
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srcABCD = _mm_loadu_si128((const __m128i*) src);
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}
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if (effective_width & 1) {
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/* In case the m-channel is zero, do not remap this pixel in any way. */
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if (src->a == 0) {
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} else if ((byte) mvX2 != 0) {
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const uint r = remap[(byte) mvX2];
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*anim = (src->a == 255) ? (r | ((uint16) mvX2 & 0xFF00)) : 0;
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__m128i srcABCD;
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if (src->a == 0) break;
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if (src_mv->m) {
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const uint r = remap[src_mv->m];
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*anim = (src->a == 255) ? r | ((uint16) src_mv->v << 8 ) : 0;
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if (r != 0) {
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Colour remapped_colour = AdjustBrightness(LookupColourInPalette(r), (byte) (mvX2 >> 8));
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Colour remapped_colour = AdjustBrightness(this->LookupColourInPalette(r), src_mv->v);
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if (src->a == 255) {
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*dst = remapped_colour;
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} else {
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remapped_colour.a = src->a;
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INSR32(remapped_colour.data, srcABCD, 0);
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srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
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goto bmcr_alpha_blend_single;
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}
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}
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} else {
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*anim = 0;
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if (src->a == 255) {
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*dst = *src;
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} else {
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srcABCD = _mm_cvtsi32_si128(src->data);
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if (src->a < 255) {
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bmcr_alpha_blend_single:
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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ALPHA_BLEND_2(pack_low_cm);
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(*dst).data = EXTR32(srcABCD, 0);
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}
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dst->data = _mm_cvtsi128_si32(srcABCD);
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}
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}
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break;
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@ -309,29 +287,27 @@ bmcr_alpha_blend_single:
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case BM_TRANSPARENT: {
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/* Make the current colour a bit more black, so it looks like this image is transparent. */
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__m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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for (uint x = (uint) bp->width / 2; x > 0; x--) {
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
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__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
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__m128i dstCD = _mm_unpackhi_epi8(dstABCD, _mm_setzero_si128());
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__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);
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alphaAB = _mm_srli_epi16(alphaAB, 2); // Reduce to 64 levels of shades so the max value fits in 16 bits.
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__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);
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dstAB = _mm_mullo_epi16(dstAB, nom);
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dstAB = _mm_srli_epi16(dstAB, 8);
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dstAB = _mm_packus_epi16(dstAB, dstCD);
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Colour *old_dst = dst;
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dstAB = _mm_packus_epi16(dstAB, dstAB);
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_mm_storel_epi64((__m128i *) dst, dstAB);
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src += 2;
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dst += 2;
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anim += 2;
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dstABCD = _mm_loadu_si128((__m128i*) dst);
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_mm_storeu_si128((__m128i *) old_dst, dstAB);
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srcABCD = _mm_loadu_si128((const __m128i*) src);
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if (src[-2].a) anim[-2] = 0;
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if (src[-1].a) anim[-1] = 0;
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}
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if (bp->width & 1) {
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__m128i srcABCD = _mm_cvtsi32_si128(src->data);
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
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__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
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__m128i alphaAB = _mm_shuffle_epi8(srcAB, a_cm);
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@ -340,7 +316,7 @@ bmcr_alpha_blend_single:
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dstAB = _mm_mullo_epi16(dstAB, nom);
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dstAB = _mm_srli_epi16(dstAB, 8);
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dstAB = _mm_packus_epi16(dstAB, dstAB);
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(*dst).data = EXTR32(dstAB, 0);
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dst->data = _mm_cvtsi128_si32(dstAB);
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if (src[0].a) anim[0] = 0;
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}
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break;
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@ -70,18 +70,18 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel
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case RM_WITH_SKIP: {
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for (uint x = (uint) effective_width / 2; x > 0; x--) {
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__m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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ALPHA_BLEND_2();
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*(uint64*) dst = EXTR64(srcABCD, 0);
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_mm_storel_epi64((__m128i*) dst, srcABCD);
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src += 2;
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dst += 2;
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}
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if (bt_last == BT_ODD) {
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__m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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__m128i srcABCD = _mm_cvtsi32_si128(src->data);
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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ALPHA_BLEND_2();
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(*dst).data = EXTR32(srcABCD, 0);
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dst->data = _mm_cvtsi128_si32(srcABCD);
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}
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break;
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}
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@ -99,8 +99,8 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel
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const int width_diff = si->sprite_width - bp->width;
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effective_width = bp->width - (int) src_rgba_line[0].data;
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const int delta_diff = (int) src_rgba_line[1].data - width_diff;
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const int nd = effective_width - delta_diff;
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effective_width = delta_diff > 0 ? nd : effective_width;
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const int new_width = effective_width - delta_diff;
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effective_width = delta_diff > 0 ? new_width : effective_width;
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if (effective_width <= 0) break;
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/* FALLTHROUGH */
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}
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@ -108,30 +108,28 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel
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case RM_WITH_SKIP: {
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const byte *remap = bp->remap;
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for (uint x = (uint) effective_width; x != 0; x--) {
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/* In case the m-channel is zero, do not remap this pixel in any way */
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if (src_mv->m == 0) {
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if (src->a < 255) {
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__m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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ALPHA_BLEND_2();
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(*dst).data = EXTR32(srcABCD, 0);
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} else {
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*dst = src->data;
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}
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} else {
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/* In case the m-channel is zero, do not remap this pixel in any way. */
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__m128i srcABCD;
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if (src_mv->m) {
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const uint r = remap[src_mv->m];
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if (r != 0) {
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Colour remapped_colour = AdjustBrightness(this->LookupColourInPalette(r), src_mv->v);
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if (src->a < 255) {
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__m128i srcABCD;
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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remapped_colour.a = src->a;
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INSR32(remapped_colour.data, srcABCD, 0);
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ALPHA_BLEND_2();
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(*dst).data = EXTR32(srcABCD, 0);
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} else
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if (src->a == 255) {
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*dst = remapped_colour;
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} else {
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remapped_colour.a = src->a;
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srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
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goto bmcr_alpha_blend_single;
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}
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}
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} else {
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srcABCD = _mm_cvtsi32_si128(src->data);
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if (src->a < 255) {
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bmcr_alpha_blend_single:
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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ALPHA_BLEND_2();
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}
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dst->data = _mm_cvtsi128_si32(srcABCD);
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}
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src_mv++;
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dst++;
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@ -149,27 +147,25 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel
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/* Make the current colour a bit more black, so it looks like this image is transparent.
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* rgb = rgb * ((256/4) * 4 - (alpha/4)) / ((256/4) * 4)
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*/
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__m128i srcABCD = _mm_loadu_si128((const __m128i*) src);
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__m128i dstABCD = _mm_loadu_si128((__m128i*) dst);
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for (uint x = (uint) bp->width / 2; x > 0; x--) {
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__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
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__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
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__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
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__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
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__m128i dstCD = _mm_unpackhi_epi8(dstABCD, _mm_setzero_si128());
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__m128i alphaAB = _mm_shufflelo_epi16(srcAB, 0x3F);
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alphaAB = _mm_shufflehi_epi16(alphaAB, 0x3F);
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alphaAB = _mm_srli_epi16(alphaAB, 2); // Reduce to 64 levels of shades so the max value fits in 16 bits.
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__m128i nom = _mm_sub_epi16(tr_nom_base, alphaAB);
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dstAB = _mm_mullo_epi16(dstAB, nom);
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dstAB = _mm_srli_epi16(dstAB, 8);
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dstAB = _mm_packus_epi16(dstAB, dstCD);
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Colour *old_dst = dst;
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dstAB = _mm_packus_epi16(dstAB, dstAB);
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_mm_storel_epi64((__m128i *) dst, dstAB);
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src += 2;
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dst += 2;
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dstABCD = _mm_loadu_si128((__m128i*) dst);
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_mm_storeu_si128((__m128i *) old_dst, dstAB);
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srcABCD = _mm_loadu_si128((const __m128i*) src);
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}
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if (bp->width & 1) {
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__m128i srcABCD = _mm_cvtsi32_si128(src->data);
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__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
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__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
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__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
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__m128i alphaAB = _mm_shufflelo_epi16(srcAB, 0x3F);
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@ -179,7 +175,7 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel
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dstAB = _mm_mullo_epi16(dstAB, nom);
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dstAB = _mm_srli_epi16(dstAB, 8);
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dstAB = _mm_packus_epi16(dstAB, dstAB);
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(*dst).data = EXTR32(dstAB, 0);
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dst->data = _mm_cvtsi128_si32(dstAB);
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}
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break;
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}
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@ -345,7 +341,7 @@ inline Colour Blitter_32bppSSE2::AdjustBrightness(Colour colour, uint8 brightnes
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IGNORE_UNINITIALIZED_WARNING_START
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/* static */ Colour Blitter_32bppSSE2::ReallyAdjustBrightness(Colour colour, uint8 brightness)
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{
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ALIGN(16) uint64 c16 = colour.b | (uint64) colour.g << 16 | (uint64) colour.r << 32;
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uint64 c16 = colour.b | (uint64) colour.g << 16 | (uint64) colour.r << 32;
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c16 *= brightness;
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uint64 c16_ob = c16; // Helps out of order execution.
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||||
c16 /= DEFAULT_BRIGHTNESS;
|
||||
|
@ -357,12 +353,20 @@ IGNORE_UNINITIALIZED_WARNING_START
|
|||
|
||||
const uint32 alpha32 = colour.data & 0xFF000000;
|
||||
__m128i ret;
|
||||
#ifdef _SQ64
|
||||
ret = _mm_cvtsi64_si128(c16);
|
||||
#else
|
||||
INSR64(c16, ret, 0);
|
||||
#endif
|
||||
if (ob != 0) {
|
||||
/* Reduce overbright strength. */
|
||||
ob /= 2;
|
||||
__m128i ob128;
|
||||
#ifdef _SQ64
|
||||
ob128 = _mm_cvtsi64_si128(ob | ob << 16 | ob << 32);
|
||||
#else
|
||||
INSR64(ob | ob << 16 | ob << 32, ob128, 0);
|
||||
#endif
|
||||
__m128i white = OVERBRIGHT_VALUE_MASK;
|
||||
__m128i c128 = ret;
|
||||
ret = _mm_subs_epu16(white, c128); /* PSUBUSW, (255 - rgb) */
|
||||
|
@ -372,7 +376,7 @@ IGNORE_UNINITIALIZED_WARNING_START
|
|||
}
|
||||
|
||||
ret = _mm_packus_epi16(ret, ret); /* PACKUSWB, saturate and pack. */
|
||||
return alpha32 | EXTR32(ret, 0);
|
||||
return alpha32 | _mm_cvtsi128_si32(ret);
|
||||
}
|
||||
IGNORE_UNINITIALIZED_WARNING_STOP
|
||||
|
||||
|
|
|
@ -76,24 +76,19 @@ inline void Blitter_32bppSSE4::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--) {
|
||||
__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
|
||||
__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
|
||||
ALPHA_BLEND_2(pack_low_cm);
|
||||
srcABCD = _mm_blend_epi16(srcABCD, dstABCD, 0xF0);
|
||||
Colour *old_dst = dst;
|
||||
_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.
|
||||
* And PEXTR latency is a real problem here.
|
||||
*/
|
||||
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) {
|
||||
__m128i srcABCD = _mm_cvtsi32_si128(src->data);
|
||||
__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
|
||||
ALPHA_BLEND_2(pack_low_cm);
|
||||
*dst = (Colour) EXTR32(srcABCD, 0);
|
||||
dst->data = _mm_cvtsi128_si32(srcABCD);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
@ -112,18 +107,18 @@ inline void Blitter_32bppSSE4::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. */
|
||||
|
@ -152,38 +147,35 @@ inline void Blitter_32bppSSE4::Draw(const Blitter::BlitterParams *bp, ZoomLevel
|
|||
|
||||
/* Blend colours. */
|
||||
ALPHA_BLEND_2(pack_low_cm);
|
||||
srcABCD = _mm_blend_epi16(srcABCD, dstABCD, 0xF0);
|
||||
Colour *old_dst = dst;
|
||||
_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 ((byte) mvX2 == 0) {
|
||||
if (src->a < 255) {
|
||||
ALPHA_BLEND_2(pack_low_cm);
|
||||
(*dst).data = EXTR32(srcABCD, 0);
|
||||
} else
|
||||
*dst = *src;
|
||||
} else {
|
||||
const uint r = remap[(byte) mvX2];
|
||||
__m128i srcABCD;
|
||||
if (src_mv->m) {
|
||||
const uint r = remap[src_mv->m];
|
||||
if (r != 0) {
|
||||
Colour remapped_colour = AdjustBrightness(this->LookupColourInPalette(r), (byte) (mvX2 >> 8));
|
||||
Colour remapped_colour = AdjustBrightness(this->LookupColourInPalette(r), src_mv->v);
|
||||
if (src->a == 255) {
|
||||
*dst = remapped_colour;
|
||||
} else {
|
||||
remapped_colour.a = src->a;
|
||||
INSR32(remapped_colour.data, srcABCD, 0);
|
||||
ALPHA_BLEND_2(pack_low_cm);
|
||||
(*dst).data = EXTR32(srcABCD, 0);
|
||||
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;
|
||||
|
@ -199,26 +191,24 @@ inline void Blitter_32bppSSE4::Draw(const Blitter::BlitterParams *bp, ZoomLevel
|
|||
/* 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);
|
||||
|
@ -227,7 +217,7 @@ inline void Blitter_32bppSSE4::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;
|
||||
|
@ -290,7 +280,7 @@ inline Colour Blitter_32bppSSE4::AdjustBrightness(Colour colour, uint8 brightnes
|
|||
IGNORE_UNINITIALIZED_WARNING_START
|
||||
/* static */ Colour Blitter_32bppSSE4::ReallyAdjustBrightness(Colour colour, uint8 brightness)
|
||||
{
|
||||
ALIGN(16) uint64 c16 = colour.b | (uint64) colour.g << 16 | (uint64) colour.r << 32;
|
||||
uint64 c16 = colour.b | (uint64) colour.g << 16 | (uint64) colour.r << 32;
|
||||
c16 *= brightness;
|
||||
uint64 c16_ob = c16; // Helps out of order execution.
|
||||
c16 /= DEFAULT_BRIGHTNESS;
|
||||
|
@ -317,7 +307,7 @@ IGNORE_UNINITIALIZED_WARNING_START
|
|||
}
|
||||
|
||||
ret = _mm_packus_epi16(ret, ret); /* PACKUSWB, saturate and pack. */
|
||||
return alpha32 | EXTR32(ret, 0);
|
||||
return alpha32 | _mm_cvtsi128_si32(ret);
|
||||
}
|
||||
IGNORE_UNINITIALIZED_WARNING_STOP
|
||||
|
||||
|
|
|
@ -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);
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||||
__m128i srcAB = _mm_unpacklo_epi8(srcABCD, _mm_setzero_si128());
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||||
__m128i dstAB = _mm_unpacklo_epi8(dstABCD, _mm_setzero_si128());
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||||
__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;
|
||||
}
|
||||
|
|
|
@ -47,8 +47,7 @@
|
|||
__m128i zero = _mm_setzero_si128(); \
|
||||
__m128i colAB = _mm_unpacklo_epi8(colourX2, zero); \
|
||||
\
|
||||
__m128i briAB; \
|
||||
INSR64(brightnessX2, briAB, 0); \
|
||||
__m128i briAB = _mm_cvtsi32_si128(brightnessX2); \
|
||||
briAB = _mm_shuffle_epi8(briAB, briAB_cm); /* DEFAULT_BRIGHTNESS in 0, 0x00 in 2. */ \
|
||||
colAB = _mm_mullo_epi16(colAB, briAB); \
|
||||
__m128i colAB_ob = _mm_srli_epi16(colAB, 8+7); \
|
||||
|
|
|
@ -1077,7 +1077,7 @@ static bool AllocateDibSection(int w, int h, bool force)
|
|||
bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
|
||||
|
||||
bi->bmiHeader.biWidth = _wnd.width = w;
|
||||
bi->bmiHeader.biHeight = -(_wnd.height = h+1); // Allocate extra room to prevent out-of-bounds when SSE reads a 16B block at the end of the buffer.
|
||||
bi->bmiHeader.biHeight = -(_wnd.height = h);
|
||||
|
||||
bi->bmiHeader.biPlanes = 1;
|
||||
bi->bmiHeader.biBitCount = BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
|
||||
|
|
Loading…
Reference in New Issue