/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see . */ /** @file 32bpp_ssse3.cpp Implementation of the SSSE3 32 bpp blitter. */ #ifdef WITH_SSE #include "../stdafx.h" #include "../zoom_func.h" #include "../settings_type.h" #include "32bpp_ssse3.hpp" /** Instantiation of the SSSE3 32bpp blitter factory. */ static FBlitter_32bppSSSE3 iFBlitter_32bppSSSE3; /** * Draws a sprite to a (screen) buffer. It is templated to allow faster operation. * * @tparam mode blitter mode * @param bp further blitting parameters * @param zoom zoom level at which we are drawing */ IGNORE_UNINITIALIZED_WARNING_START template inline void Blitter_32bppSSSE3::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom) { const byte * const remap = bp->remap; Colour *dst_line = (Colour *) bp->dst + bp->top * bp->pitch + bp->left; int effective_width = bp->width; /* Find where to start reading in the source sprite. */ const SpriteData * const sd = (const SpriteData *) bp->sprite; const SpriteInfo * const si = &sd->infos[zoom]; const MapValue *src_mv_line = (const MapValue *) &sd->data[si->mv_offset] + bp->skip_top * si->sprite_width; const Colour *src_rgba_line = (const Colour *) ((const byte *) &sd->data[si->sprite_offset] + bp->skip_top * si->sprite_line_size); if (read_mode != RM_WITH_MARGIN) { 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 a_cm = ALPHA_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; const __m128i ob_mask = OVERBRIGHT_VALUE_MASK; const __m128i ob_cm = OVERBRIGHT_CONTROL_MASK; const __m128i tr_nom_base = TRANSPARENT_NOM_BASE; for (int y = bp->height; y != 0; y--) { Colour *dst = dst_line; const Colour *src = src_rgba_line + META_LENGTH; 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: 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; case BM_COLOUR_REMAP: 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(src_mv)); /* Remap colours. */ if (mvX2 & 0x00FF00FF) { /* Written so the compiler uses CMOV. */ const Colour src0 = src[0]; const uint m0 = (byte) mvX2; const uint r0 = remap[m0]; const Colour c0map = (this->LookupColourInPalette(r0).data & 0x00FFFFFF) | (src0.data & 0xFF000000); Colour c0 = 0; // Use alpha of 0 to keep dst as is. c0 = r0 == 0 ? c0 : c0map; c0 = m0 != 0 ? c0 : src0; srcABCD = _mm_cvtsi32_si128(c0.data); const Colour src1 = src[1]; const uint m1 = (byte) (mvX2 >> 16); const uint r1 = remap[m1]; const Colour c1map = (this->LookupColourInPalette(r1).data & 0x00FFFFFF) | (src1.data & 0xFF000000); Colour c1 = 0; c1 = r1 == 0 ? c1 : c1map; c1 = m1 != 0 ? c1 : src1; INSR32(c1.data, srcABCD, 1); if ((mvX2 & 0xFF00FF00) != 0x80008000) { ADJUST_BRIGHTNESS_2(srcABCD, mvX2); } } /* Blend colours. */ ALPHA_BLEND_2(); _mm_storel_epi64((__m128i *) dst, srcABCD); dst += 2; src += 2; src_mv += 2; } if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) { /* 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; } } } 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); } } break; 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); __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst); DARKEN_2(); _mm_storel_epi64((__m128i *) dst, dstAB); 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); DARKEN_2(); 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; } } IGNORE_UNINITIALIZED_WARNING_STOP /** * Draws a sprite to a (screen) buffer. Calls adequate templated function. * * @param bp further blitting parameters * @param mode blitter mode * @param zoom zoom level at which we are drawing */ void Blitter_32bppSSSE3::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) { switch (mode) { case BM_NORMAL: { 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(bp, zoom); return; case BT_ODD: Draw(bp, zoom); return; default: NOT_REACHED(); } } else { Draw(bp, zoom); return; } break; } case BM_COLOUR_REMAP: if (bp->skip_left != 0 || bp->width <= MARGIN_REMAP_THRESHOLD) { Draw(bp, zoom); return; } else { Draw(bp, zoom); return; } case BM_TRANSPARENT: Draw(bp, zoom); return; default: NOT_REACHED(); } } #endif /* WITH_SSE */