(svn r26214) -Add: specialised animated SSE4 blitter (MJP)
With 32bpp base set about 15-20% faster in the Draw function (slower with 8bpp base set). Overall, with 32bpp base set, about 5% faster.pull/155/head
rubidium
11 years ago
parent
e25733c417
commit
793dc27096
@ -0,0 +1,410 @@
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/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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 <http://www.gnu.org/licenses/>.
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*/
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/** @file 32bpp_sse4_anim.cpp Implementation of the SSE4 32 bpp blitter with animation support. */
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#ifdef WITH_SSE
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#include "../stdafx.h"
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#include "../video/video_driver.hpp"
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#include "../table/sprites.h"
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#include "32bpp_anim_sse4.hpp"
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/** Instantiation of the SSE4 32bpp blitter factory. */
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static FBlitter_32bppSSE4_Anim iFBlitter_32bppSSE4_Anim;
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#if defined(__GNUC__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-variable"
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#endif
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/**
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* Draws a sprite to a (screen) buffer. It is templated to allow faster operation.
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*
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* @tparam mode blitter mode
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* @param bp further blitting parameters
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* @param zoom zoom level at which we are drawing
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*/
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template <BlitterMode mode, Blitter_32bppSSE2::ReadMode read_mode, Blitter_32bppSSE2::BlockType bt_last>
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inline void Blitter_32bppSSE4_Anim::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
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{
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Colour *dst_line = (Colour *) bp->dst + bp->top * bp->pitch + bp->left;
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uint16 *anim_line = this->anim_buf + ((uint32 *)bp->dst - (uint32 *)_screen.dst_ptr) + bp->top * this->anim_buf_width + bp->left;
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int effective_width = bp->width;
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/* Find where to start reading in the source sprite. */
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const byte * const remap = bp->remap;
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const Blitter_32bppSSE_Base::SpriteData * const sd = (const Blitter_32bppSSE_Base::SpriteData *) bp->sprite;
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const SpriteInfo * const si = &sd->infos[zoom];
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const MapValue *src_mv_line = (const MapValue *) &sd->data[si->mv_offset] + bp->skip_top * si->sprite_width;
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const Colour *src_rgba_line = (const Colour *) ((const byte *) &sd->data[si->sprite_offset] + bp->skip_top * si->sprite_line_size);
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if (read_mode != RM_WITH_MARGIN) {
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src_rgba_line += bp->skip_left;
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src_mv_line += bp->skip_left;
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}
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/* Load these variables into register before loop. */
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const __m128i a_cm = ALPHA_CONTROL_MASK;
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const __m128i pack_low_cm = PACK_LOW_CONTROL_MASK;
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const __m128i briAB_cm = BRIGHTNESS_LOW_CONTROL_MASK;
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const __m128i div_cleaner = BRIGHTNESS_DIV_CLEANER;
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const __m128i ob_check = OVERBRIGHT_PRESENCE_MASK;
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const __m128i ob_mask = OVERBRIGHT_VALUE_MASK;
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const __m128i ob_cm = OVERBRIGHT_CONTROL_MASK;
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const __m128i tr_nom_base = TRANSPARENT_NOM_BASE;
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for (int y = bp->height; y != 0; y--) {
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Colour *dst = dst_line;
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const Colour *src = src_rgba_line + META_LENGTH;
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const MapValue *src_mv = src_mv_line;
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uint16 *anim = anim_line;
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switch (mode) {
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default: {
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switch (read_mode) {
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case RM_WITH_MARGIN: {
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src += src_rgba_line[0].data;
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dst += src_rgba_line[0].data;
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src_mv += src_rgba_line[0].data;
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anim += src_rgba_line[0].data;
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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 new_width = effective_width - (delta_diff & ~1);
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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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/* Remap colours. */
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const byte m0 = mvX2;
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if (m0 >= PALETTE_ANIM_START) {
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const Colour c0 = (this->LookupColourInPalette(m0).data & 0x00FFFFFF) | (src[0].data & 0xFF000000);
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INSR32(AdjustBrightness(c0, (byte) (mvX2 >> 8)).data, srcABCD, 0);
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}
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const byte m1 = mvX2 >> 16;
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if (m1 >= PALETTE_ANIM_START) {
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const Colour c1 = (this->LookupColourInPalette(m1).data & 0x00FFFFFF) | (src[1].data & 0xFF000000);
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INSR32(AdjustBrightness(c1, (byte) (mvX2 >> 24)).data, srcABCD, 1);
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}
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/* Update anim buffer. */
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const byte a0 = src[0].a;
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const byte a1 = src[1].a;
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uint32 anim01 = 0;
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if (a0 == 255) {
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if (a1 == 255) {
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*(uint32*) anim = mvX2;
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goto bmno_full_opacity;
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}
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anim01 = (uint16) mvX2;
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} else if (a0 == 0) {
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if (a1 == 0) {
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goto bmno_full_transparency;
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} else {
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if (a1 == 255) anim[1] = (uint16) (mvX2 >> 16);
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goto bmno_alpha_blend;
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}
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}
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if (a1 > 0) {
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if (a1 == 255) anim01 |= mvX2 & 0xFFFF0000;
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*(uint32*) anim = anim01;
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} else {
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anim[0] = (uint16) anim01;
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}
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/* Blend colours. */
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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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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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}
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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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} 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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colour.a = src->a;
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srcABCD = _mm_load_si128((__m128i*) &colour);
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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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}
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}
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break;
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}
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default: NOT_REACHED();
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}
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break;
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}
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case BM_COLOUR_REMAP: {
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switch (read_mode) {
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case RM_WITH_MARGIN: {
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src += src_rgba_line[0].data;
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src_mv += src_rgba_line[0].data;
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dst += src_rgba_line[0].data;
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anim += src_rgba_line[0].data;
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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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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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/* Remap colours. */
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const uint m0 = (byte) mvX2;
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const uint r0 = remap[m0];
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const uint m1 = (byte) (mvX2 >> 16);
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const uint r1 = remap[m1];
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if (mvX2 & 0x00FF00FF) {
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/* Written so the compiler uses CMOV. */
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const Colour src0 = src[0];
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const Colour c0map = (this->LookupColourInPalette(r0).data & 0x00FFFFFF) | (src0.data & 0xFF000000);
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Colour c0 = dst[0];
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c0 = r0 == 0 ? c0 : c0map;
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c0 = m0 != 0 ? c0 : src0;
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INSR32(c0.data, srcABCD, 0);
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const Colour src1 = src[1];
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const Colour c1map = (this->LookupColourInPalette(r1).data & 0x00FFFFFF) | (src1.data & 0xFF000000);
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Colour c1 = dst[1];
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c1 = r1 == 0 ? c1 : c1map;
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c1 = m1 != 0 ? c1 : src1;
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INSR32(c1.data, srcABCD, 1);
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if ((mvX2 & 0xFF00FF00) != 0x80008000) {
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ADJUST_BRIGHTNESS_2(srcABCD, mvX2);
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}
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}
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/* Update anim buffer. */
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const byte a0 = src[0].a;
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const byte a1 = src[1].a;
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uint32 anim01 = mvX2 & 0xFF00FF00;
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if (a0 == 255) {
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anim01 |= r0;
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if (a1 == 255) {
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*(uint32*) anim = anim01 | (r1 << 16);
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goto bmcr_full_opacity;
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}
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} else if (a0 == 0) {
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if (a1 == 0) {
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goto bmcr_full_transparency;
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} else {
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if (a1 == 255) {
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anim[1] = r1 | (anim01 >> 16);
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}
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goto bmcr_alpha_blend;
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}
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}
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if (a1 > 0) {
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if (a1 == 255) anim01 |= r1 << 16;
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*(uint32*) anim = anim01;
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} else {
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anim[0] = (uint16) anim01;
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}
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/* Blend colours. */
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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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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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if (r != 0) {
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Colour remapped_colour = AdjustBrightness(LookupColourInPalette(r), (byte) (mvX2 >> 8));
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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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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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bmcr_alpha_blend_single:
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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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}
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}
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break;
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}
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default: NOT_REACHED();
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}
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break;
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}
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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 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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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 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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alphaAB = _mm_srli_epi16(alphaAB, 2);
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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, dstAB);
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(*dst).data = EXTR32(dstAB, 0);
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if (src[0].a) anim[0] = 0;
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}
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break;
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}
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}
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src_mv_line += si->sprite_width;
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src_rgba_line = (const Colour*) ((const byte*) src_rgba_line + si->sprite_line_size);
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dst_line += bp->pitch;
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anim_line += this->anim_buf_width;
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}
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}
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#if defined(__GNUC__)
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#pragma GCC diagnostic pop
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#endif
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/**
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* Draws a sprite to a (screen) buffer. Calls adequate templated function.
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*
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* @param bp further blitting parameters
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* @param mode blitter mode
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* @param zoom zoom level at which we are drawing
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*/
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void Blitter_32bppSSE4_Anim::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
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{
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switch (mode) {
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case BM_NORMAL: {
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const BlockType bt_last = (BlockType) (bp->width & 1);
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if (bp->skip_left != 0 || bp->width <= MARGIN_THRESHOLD) {
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switch (bt_last) {
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case BT_EVEN: Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN>(bp, zoom); return;
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case BT_ODD: Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD>(bp, zoom); return;
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default: NOT_REACHED();
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}
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} else {
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switch (bt_last) {
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case BT_EVEN: Draw<BM_NORMAL, RM_WITH_MARGIN, BT_EVEN>(bp, zoom); return;
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case BT_ODD: Draw<BM_NORMAL, RM_WITH_MARGIN, BT_ODD>(bp, zoom); return;
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default: NOT_REACHED();
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}
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}
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break;
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}
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case BM_COLOUR_REMAP:
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if (bp->skip_left != 0 || bp->width <= MARGIN_THRESHOLD) {
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Draw<BM_COLOUR_REMAP, RM_WITH_SKIP, BT_NONE>(bp, zoom); return;
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} else {
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Draw<BM_COLOUR_REMAP, RM_WITH_MARGIN, BT_NONE>(bp, zoom); return;
|
||||
}
|
||||
case BM_TRANSPARENT: Draw<BM_TRANSPARENT, RM_NONE, BT_NONE>(bp, zoom); return;
|
||||
default: NOT_REACHED();
|
||||
}
|
||||
}
|
||||
|
||||
/** Same code as seen in 32bpp_sse2.cpp but some macros are not the same. */
|
||||
inline Colour Blitter_32bppSSE4_Anim::AdjustBrightness(Colour colour, uint8 brightness)
|
||||
{
|
||||
/* Shortcut for normal brightness. */
|
||||
if (brightness == DEFAULT_BRIGHTNESS) return colour;
|
||||
|
||||
return Blitter_32bppSSE4::ReallyAdjustBrightness(colour, brightness);
|
||||
}
|
||||
|
||||
#endif /* WITH_SSE */
|
||||
@ -0,0 +1,47 @@
|
||||
/* $Id$ */
|
||||
|
||||
/*
|
||||
* 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 <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/** @file 32bpp_sse4_anim.hpp A SSE4 32 bpp blitter with animation support. */
|
||||
|
||||
#ifndef BLITTER_32BPP_SSE4_ANIM_HPP
|
||||
#define BLITTER_32BPP_SSE4_ANIM_HPP
|
||||
|
||||
#ifdef WITH_SSE
|
||||
|
||||
#include "32bpp_anim.hpp"
|
||||
#include "32bpp_sse4.hpp"
|
||||
|
||||
#undef MARGIN_THRESHOLD
|
||||
#define MARGIN_THRESHOLD 4
|
||||
|
||||
/** The SSE4 32 bpp blitter with palette animation. */
|
||||
class Blitter_32bppSSE4_Anim FINAL : public Blitter_32bppAnim, public Blitter_32bppSSE_Base {
|
||||
private:
|
||||
|
||||
public:
|
||||
template <BlitterMode mode, Blitter_32bppSSE_Base::ReadMode read_mode, Blitter_32bppSSE_Base::BlockType bt_last>
|
||||
/* virtual */ void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
|
||||
/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
|
||||
/* virtual */ Colour AdjustBrightness(Colour colour, uint8 brightness);
|
||||
/* virtual */ Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) {
|
||||
return Blitter_32bppSSE_Base::Encode(sprite, allocator);
|
||||
}
|
||||
|
||||
/* virtual */ const char *GetName() { return "32bpp-sse4-anim"; }
|
||||
};
|
||||
|
||||
/** Factory for the SSE4 32 bpp blitter (with palette animation). */
|
||||
class FBlitter_32bppSSE4_Anim: public BlitterFactory {
|
||||
public:
|
||||
FBlitter_32bppSSE4_Anim() : BlitterFactory("32bpp-sse4-anim", "SSE4 Blitter (palette animation)", HasCPUIDFlag(1, 2, 19)) {}
|
||||
/* virtual */ Blitter *CreateInstance() { return new Blitter_32bppSSE4_Anim(); }
|
||||
};
|
||||
|
||||
#endif /* WITH_SSE */
|
||||
#endif /* BLITTER_32BPP_SSE4_ANIM_HPP */
|
||||
Loading…
Reference in New Issue