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path: root/src/blitter/32bpp_sse2.cpp
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Diffstat (limited to 'src/blitter/32bpp_sse2.cpp')
-rw-r--r--src/blitter/32bpp_sse2.cpp148
1 files changed, 60 insertions, 88 deletions
diff --git a/src/blitter/32bpp_sse2.cpp b/src/blitter/32bpp_sse2.cpp
index a5d8a1987..ddaa352e2 100644
--- a/src/blitter/32bpp_sse2.cpp
+++ b/src/blitter/32bpp_sse2.cpp
@@ -30,6 +30,7 @@ IGNORE_UNINITIALIZED_WARNING_START
template <BlitterMode mode, Blitter_32bppSSE2::ReadMode read_mode, Blitter_32bppSSE2::BlockType bt_last>
inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
{
+ const byte *remap = bp->remap;
Colour *dst_line = (Colour *) bp->dst + bp->top * bp->pitch + bp->left;
int effective_width = bp->width;
@@ -43,6 +44,7 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel
src_rgba_line += bp->skip_left;
src_mv_line += bp->skip_left;
}
+ const MapValue *src_mv = src_mv_line;
/* Load these variables into register before loop. */
const __m128i clear_hi = CLEAR_HIGH_BYTE_MASK;
@@ -51,99 +53,71 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel
for (int y = bp->height; y != 0; y--) {
Colour *dst = dst_line;
const Colour *src = src_rgba_line + META_LENGTH;
- const MapValue *src_mv = src_mv_line;
+ if (mode == BM_COLOUR_REMAP) src_mv = src_mv_line;
+
+ if (read_mode == RM_WITH_MARGIN) {
+ src += src_rgba_line[0].data;
+ dst += src_rgba_line[0].data;
+ if (mode == BM_COLOUR_REMAP) src_mv += src_rgba_line[0].data;
+ 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 new_width = effective_width - delta_diff;
+ effective_width = delta_diff > 0 ? new_width : effective_width;
+ if (effective_width <= 0) goto next_line;
+ }
switch (mode) {
- default: {
- switch (read_mode) {
- case RM_WITH_MARGIN: {
- src += src_rgba_line[0].data;
- dst += src_rgba_line[0].data;
- 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 new_width = effective_width - (delta_diff & ~1);
- effective_width = delta_diff > 0 ? new_width : effective_width;
- if (effective_width <= 0) break;
- /* FALLTHROUGH */
- }
-
- case RM_WITH_SKIP: {
- 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();
- _mm_storel_epi64((__m128i*) dst, srcABCD);
- src += 2;
- dst += 2;
- }
- if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
- __m128i srcABCD = _mm_cvtsi32_si128(src->data);
- __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
- ALPHA_BLEND_2();
- dst->data = _mm_cvtsi128_si32(srcABCD);
- }
- break;
- }
+ default:
+ 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();
+ _mm_storel_epi64((__m128i*) dst, srcABCD);
+ src += 2;
+ dst += 2;
+ }
- default: NOT_REACHED();
+ if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
+ __m128i srcABCD = _mm_cvtsi32_si128(src->data);
+ __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
+ ALPHA_BLEND_2();
+ dst->data = _mm_cvtsi128_si32(srcABCD);
}
break;
- }
- case BM_COLOUR_REMAP: {
- switch (read_mode) {
- case RM_WITH_MARGIN: {
- src += src_rgba_line[0].data;
- src_mv += src_rgba_line[0].data;
- dst += src_rgba_line[0].data;
- 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 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: {
- const byte *remap = bp->remap;
- for (uint x = (uint) effective_width; x != 0; x--) {
- /* 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) {
- *dst = remapped_colour;
- } else {
- remapped_colour.a = src->a;
- srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
- goto bmcr_alpha_blend_single;
- }
- }
+ case BM_COLOUR_REMAP:
+ for (uint x = (uint) effective_width; x != 0; x--) {
+ /* 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) {
+ *dst = remapped_colour;
} 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();
- }
- dst->data = _mm_cvtsi128_si32(srcABCD);
+ remapped_colour.a = src->a;
+ srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
+ goto bmcr_alpha_blend_single;
}
- src_mv++;
- dst++;
- src++;
}
- break;
+ } 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();
+ }
+ dst->data = _mm_cvtsi128_si32(srcABCD);
}
-
- default: NOT_REACHED();
+ src_mv++;
+ dst++;
+ src++;
}
- src_mv_line += si->sprite_width;
break;
- }
- case BM_TRANSPARENT: {
+
+ case BM_TRANSPARENT:
/* Make the current colour a bit more black, so it looks like this image is transparent. */
for (uint x = (uint) bp->width / 2; x > 0; x--) {
__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
@@ -153,6 +127,7 @@ bmcr_alpha_blend_single:
src += 2;
dst += 2;
}
+
if ((bt_last == BT_NONE && bp->width & 1) || bt_last == BT_ODD) {
__m128i srcABCD = _mm_cvtsi32_si128(src->data);
__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
@@ -160,9 +135,10 @@ bmcr_alpha_blend_single:
dst->data = _mm_cvtsi128_si32(dstAB);
}
break;
- }
}
+next_line:
+ if (mode == BM_COLOUR_REMAP) src_mv_line += si->sprite_width;
src_rgba_line = (const Colour*) ((const byte*) src_rgba_line + si->sprite_line_size);
dst_line += bp->pitch;
}
@@ -180,19 +156,15 @@ void Blitter_32bppSSE2::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomL
{
switch (mode) {
case BM_NORMAL: {
- const BlockType bt_last = (BlockType) (bp->width & 1);
if (bp->skip_left != 0 || bp->width <= MARGIN_NORMAL_THRESHOLD) {
+ const BlockType bt_last = (BlockType) (bp->width & 1);
switch (bt_last) {
case BT_EVEN: Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN>(bp, zoom); return;
case BT_ODD: Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD>(bp, zoom); return;
default: NOT_REACHED();
}
} else {
- switch (bt_last) {
- case BT_EVEN: Draw<BM_NORMAL, RM_WITH_MARGIN, BT_EVEN>(bp, zoom); return;
- case BT_ODD: Draw<BM_NORMAL, RM_WITH_MARGIN, BT_ODD>(bp, zoom); return;
- default: NOT_REACHED();
- }
+ Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE>(bp, zoom); return;
}
break;
}
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-07-08 02:55:34 +0000