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OpenTTD-patches/src/blitter/32bpp_anim_sse4.cpp

503 lines
18 KiB
C++

/*
* 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_anim_sse4.cpp Implementation of the SSE4 32 bpp blitter with animation support. */
#ifdef WITH_SSE
#include "../stdafx.h"
#include "../video/video_driver.hpp"
#include "../table/sprites.h"
#include "32bpp_anim_sse4.hpp"
#include "32bpp_sse_func.hpp"
#include "../safeguards.h"
/** Instantiation of the SSE4 32bpp blitter factory. */
static FBlitter_32bppSSE4_Anim iFBlitter_32bppSSE4_Anim;
/**
* 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 <BlitterMode mode, Blitter_32bppSSE2::ReadMode read_mode, Blitter_32bppSSE2::BlockType bt_last, bool translucent, bool animated>
GNU_TARGET("sse4.1")
inline void Blitter_32bppSSE4_Anim::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;
uint16 *anim_line = this->anim_buf + this->ScreenToAnimOffset((uint32 *)bp->dst) + bp->top * this->anim_buf_pitch + bp->left;
int effective_width = bp->width;
/* Find where to start reading in the source sprite. */
const Blitter_32bppSSE_Base::SpriteData * const sd = (const Blitter_32bppSSE_Base::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 tr_nom_base = TRANSPARENT_NOM_BASE;
const __m128i a_am = ALPHA_AND_MASK;
for (int y = bp->height; y != 0; y--) {
Colour *dst = dst_line;
const Colour *src = src_rgba_line + META_LENGTH;
if (mode != BM_TRANSPARENT) src_mv = src_mv_line;
uint16 *anim = anim_line;
if (read_mode == RM_WITH_MARGIN) {
assert(bt_last == BT_NONE); // or you must ensure block type is preserved
anim += src_rgba_line[0].data;
src += src_rgba_line[0].data;
dst += src_rgba_line[0].data;
if (mode != BM_TRANSPARENT) 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:
if (!translucent) {
for (uint x = (uint) effective_width; x > 0; x--) {
if (src->a) {
if (animated) {
*anim = *(const uint16*) src_mv;
*dst = (src_mv->m >= PALETTE_ANIM_START) ? AdjustBrightneSSE(this->LookupColourInPalette(src_mv->m), src_mv->v) : src->data;
} else {
*anim = 0;
*dst = *src;
}
}
if (animated) src_mv++;
anim++;
src++;
dst++;
}
break;
}
for (uint x = (uint) effective_width/2; x != 0; x--) {
uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
if (animated) {
/* Remap colours. */
const byte m0 = mvX2;
if (m0 >= PALETTE_ANIM_START) {
const Colour c0 = (this->LookupColourInPalette(m0).data & 0x00FFFFFF) | (src[0].data & 0xFF000000);
InsertFirstUint32(AdjustBrightneSSE(c0, (byte) (mvX2 >> 8)).data, srcABCD);
}
const byte m1 = mvX2 >> 16;
if (m1 >= PALETTE_ANIM_START) {
const Colour c1 = (this->LookupColourInPalette(m1).data & 0x00FFFFFF) | (src[1].data & 0xFF000000);
InsertSecondUint32(AdjustBrightneSSE(c1, (byte) (mvX2 >> 24)).data, srcABCD);
}
/* Update anim buffer. */
const byte a0 = src[0].a;
const byte a1 = src[1].a;
uint32 anim01 = 0;
if (a0 == 255) {
if (a1 == 255) {
*(uint32*) anim = mvX2;
goto bmno_full_opacity;
}
anim01 = (uint16) mvX2;
} else if (a0 == 0) {
if (a1 == 0) {
goto bmno_full_transparency;
} else {
if (a1 == 255) anim[1] = (uint16) (mvX2 >> 16);
goto bmno_alpha_blend;
}
}
if (a1 > 0) {
if (a1 == 255) anim01 |= mvX2 & 0xFFFF0000;
*(uint32*) anim = anim01;
} else {
anim[0] = (uint16) anim01;
}
} else {
if (src[0].a) anim[0] = 0;
if (src[1].a) anim[1] = 0;
}
/* Blend colours. */
bmno_alpha_blend:
srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm, a_am);
bmno_full_opacity:
_mm_storel_epi64((__m128i *) dst, srcABCD);
bmno_full_transparency:
src_mv += 2;
src += 2;
anim += 2;
dst += 2;
}
if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
if (src->a == 0) {
/* Complete transparency. */
} else if (src->a == 255) {
*anim = *(const uint16*) src_mv;
*dst = (src_mv->m >= PALETTE_ANIM_START) ? AdjustBrightneSSE(LookupColourInPalette(src_mv->m), src_mv->v) : *src;
} else {
*anim = 0;
__m128i srcABCD;
__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
if (src_mv->m >= PALETTE_ANIM_START) {
Colour colour = AdjustBrightneSSE(LookupColourInPalette(src_mv->m), src_mv->v);
colour.a = src->a;
srcABCD = _mm_cvtsi32_si128(colour.data);
} else {
srcABCD = _mm_cvtsi32_si128(src->data);
}
dst->data = _mm_cvtsi128_si32(AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm, a_am));
}
}
break;
case BM_COLOUR_REMAP:
for (uint x = (uint) effective_width / 2; x != 0; x--) {
uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
__m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
__m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
/* Remap colours. */
const uint m0 = (byte) mvX2;
const uint r0 = remap[m0];
const uint m1 = (byte) (mvX2 >> 16);
const uint r1 = remap[m1];
if (mvX2 & 0x00FF00FF) {
#define CMOV_REMAP(m_colour, m_colour_init, m_src, m_m) \
/* Written so the compiler uses CMOV. */ \
Colour m_colour = m_colour_init; \
{ \
const Colour srcm = (Colour) (m_src); \
const uint m = (byte) (m_m); \
const uint r = remap[m]; \
const Colour cmap = (this->LookupColourInPalette(r).data & 0x00FFFFFF) | (srcm.data & 0xFF000000); \
m_colour = r == 0 ? m_colour : cmap; \
m_colour = m != 0 ? m_colour : srcm; \
}
#ifdef POINTER_IS_64BIT
uint64 srcs = _mm_cvtsi128_si64(srcABCD);
uint64 dsts;
if (animated) dsts = _mm_cvtsi128_si64(dstABCD);
uint64 remapped_src = 0;
CMOV_REMAP(c0, animated ? dsts : 0, srcs, mvX2);
remapped_src = c0.data;
CMOV_REMAP(c1, animated ? dsts >> 32 : 0, srcs >> 32, mvX2 >> 16);
remapped_src |= (uint64) c1.data << 32;
srcABCD = _mm_cvtsi64_si128(remapped_src);
#else
Colour remapped_src[2];
CMOV_REMAP(c0, animated ? _mm_cvtsi128_si32(dstABCD) : 0, _mm_cvtsi128_si32(srcABCD), mvX2);
remapped_src[0] = c0.data;
CMOV_REMAP(c1, animated ? dst[1] : 0, src[1], mvX2 >> 16);
remapped_src[1] = c1.data;
srcABCD = _mm_loadl_epi64((__m128i*) &remapped_src);
#endif
if ((mvX2 & 0xFF00FF00) != 0x80008000) srcABCD = AdjustBrightnessOfTwoPixels(srcABCD, mvX2);
}
/* Update anim buffer. */
if (animated) {
const byte a0 = src[0].a;
const byte a1 = src[1].a;
uint32 anim01 = mvX2 & 0xFF00FF00;
if (a0 == 255) {
anim01 |= r0;
if (a1 == 255) {
*(uint32*) anim = anim01 | (r1 << 16);
goto bmcr_full_opacity;
}
} else if (a0 == 0) {
if (a1 == 0) {
goto bmcr_full_transparency;
} else {
if (a1 == 255) {
anim[1] = r1 | (anim01 >> 16);
}
goto bmcr_alpha_blend;
}
}
if (a1 > 0) {
if (a1 == 255) anim01 |= r1 << 16;
*(uint32*) anim = anim01;
} else {
anim[0] = (uint16) anim01;
}
} else {
if (src[0].a) anim[0] = 0;
if (src[1].a) anim[1] = 0;
}
/* Blend colours. */
bmcr_alpha_blend:
srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm, a_am);
bmcr_full_opacity:
_mm_storel_epi64((__m128i *) dst, srcABCD);
bmcr_full_transparency:
src_mv += 2;
dst += 2;
src += 2;
anim += 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->a == 0) break;
if (src_mv->m) {
const uint r = remap[src_mv->m];
*anim = (animated && src->a == 255) ? r | ((uint16) src_mv->v << 8 ) : 0;
if (r != 0) {
Colour remapped_colour = AdjustBrightneSSE(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 {
*anim = 0;
srcABCD = _mm_cvtsi32_si128(src->data);
if (src->a < 255) {
bmcr_alpha_blend_single:
__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm, a_am);
}
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);
_mm_storel_epi64((__m128i *) dst, DarkenTwoPixels(srcABCD, dstABCD, a_cm, tr_nom_base));
src += 2;
dst += 2;
anim += 2;
if (src[-2].a) anim[-2] = 0;
if (src[-1].a) anim[-1] = 0;
}
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);
dst->data = _mm_cvtsi128_si32(DarkenTwoPixels(srcABCD, dstABCD, a_cm, tr_nom_base));
if (src[0].a) anim[0] = 0;
}
break;
case BM_CRASH_REMAP:
for (uint x = (uint) bp->width; x > 0; x--) {
if (src_mv->m == 0) {
if (src->a != 0) {
uint8 g = MakeDark(src->r, src->g, src->b);
*dst = ComposeColourRGBA(g, g, g, src->a, *dst);
*anim = 0;
}
} else {
uint r = remap[src_mv->m];
if (r != 0) *dst = ComposeColourPANoCheck(this->AdjustBrightness(this->LookupColourInPalette(r), src_mv->v), src->a, *dst);
}
src_mv++;
dst++;
src++;
anim++;
}
break;
case BM_BLACK_REMAP:
for (uint x = (uint) bp->width; x > 0; x--) {
if (src->a != 0) {
*dst = Colour(0, 0, 0);
*anim = 0;
}
src_mv++;
dst++;
src++;
anim++;
}
break;
case BM_NORMAL_WITH_BRIGHTNESS:
for (uint x = (uint) bp->width; x > 0; x--) {
if (src->a == 0) {
} else if (src->a == 255) {
MapValue mv = *src_mv;
if (src_mv->m >= PALETTE_ANIM_START) {
mv.v = Clamp(mv.v + bp->brightness_adjust, 0, 255);
*dst = AdjustBrightneSSE(LookupColourInPalette(mv.m), mv.v);
} else {
*dst = AdjustBrightneSSE(src->data, DEFAULT_BRIGHTNESS + bp->brightness_adjust);
}
*anim = *(const uint16*) &mv;
} else {
*anim = 0;
__m128i srcABCD;
__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
if (src_mv->m >= PALETTE_ANIM_START) {
Colour colour = AdjustBrightneSSE(LookupColourInPalette(src_mv->m), Clamp(src_mv->v + bp->brightness_adjust, 0, 255));
colour.a = src->a;
srcABCD = _mm_cvtsi32_si128(colour.data);
} else {
srcABCD = _mm_cvtsi32_si128(AdjustBrightneSSE(src->data, DEFAULT_BRIGHTNESS + bp->brightness_adjust).data);
}
dst->data = _mm_cvtsi128_si32(AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm, a_am));
}
src_mv++;
dst++;
src++;
anim++;
}
break;
case BM_COLOUR_REMAP_WITH_BRIGHTNESS:
for (uint x = (uint) bp->width; x > 0; x--) {
/* In case the m-channel is zero, do not remap this pixel in any way. */
__m128i srcABCD;
if (src->a == 0) {
} else if (src_mv->m) {
MapValue mv = *src_mv;
mv.v = Clamp(mv.v + bp->brightness_adjust, 0, 255);
const uint r = remap[mv.m];
*anim = (animated && src->a == 255) ? r | ((uint16) mv.v << 8) : 0;
if (r != 0) {
Colour remapped_colour = AdjustBrightneSSE(this->LookupColourInPalette(r), 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_brightness;
}
}
} else {
*anim = 0;
srcABCD = _mm_cvtsi32_si128(AdjustBrightneSSE(src->data, DEFAULT_BRIGHTNESS + bp->brightness_adjust).data);
if (src->a < 255) {
bmcr_alpha_blend_single_brightness:
__m128i dstABCD = _mm_cvtsi32_si128(dst->data);
srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm, a_am);
}
dst->data = _mm_cvtsi128_si32(srcABCD);
}
src_mv++;
dst++;
src++;
anim++;
}
break;
}
next_line:
if (mode != BM_TRANSPARENT) src_mv_line += si->sprite_width;
src_rgba_line = (const Colour*) ((const byte*) src_rgba_line + si->sprite_line_size);
dst_line += bp->pitch;
anim_line += this->anim_buf_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_32bppSSE4_Anim::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
{
if (_screen_disable_anim) {
/* This means our output is not to the screen, so we can't be doing any animation stuff, so use our parent Draw() */
Blitter_32bppSSE4::Draw(bp, mode, zoom);
return;
}
const BlitterSpriteFlags sprite_flags = ((const Blitter_32bppSSE_Base::SpriteData *) bp->sprite)->flags;
switch (mode) {
default: {
bm_normal:
if (bp->skip_left != 0 || bp->width <= MARGIN_NORMAL_THRESHOLD) {
const BlockType bt_last = (BlockType) (bp->width & 1);
if (bt_last == BT_EVEN) {
if (sprite_flags & BSF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN, true, false>(bp, zoom);
else Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN, true, true>(bp, zoom);
} else {
if (sprite_flags & BSF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD, true, false>(bp, zoom);
else Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD, true, true>(bp, zoom);
}
} else {
#ifdef POINTER_IS_64BIT
if (sprite_flags & BSF_TRANSLUCENT) {
if (sprite_flags & BSF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, false>(bp, zoom);
else Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, true>(bp, zoom);
} else {
if (sprite_flags & BSF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, false, false>(bp, zoom);
else Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, false, true>(bp, zoom);
}
#else
if (sprite_flags & BSF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, false>(bp, zoom);
else Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, true>(bp, zoom);
#endif
}
break;
}
case BM_COLOUR_REMAP:
if (sprite_flags & BSF_NO_REMAP) goto bm_normal;
if (bp->skip_left != 0 || bp->width <= MARGIN_REMAP_THRESHOLD) {
if (sprite_flags & BSF_NO_ANIM) Draw<BM_COLOUR_REMAP, RM_WITH_SKIP, BT_NONE, true, false>(bp, zoom);
else Draw<BM_COLOUR_REMAP, RM_WITH_SKIP, BT_NONE, true, true>(bp, zoom);
} else {
if (sprite_flags & BSF_NO_ANIM) Draw<BM_COLOUR_REMAP, RM_WITH_MARGIN, BT_NONE, true, false>(bp, zoom);
else Draw<BM_COLOUR_REMAP, RM_WITH_MARGIN, BT_NONE, true, true>(bp, zoom);
}
break;
case BM_TRANSPARENT: Draw<BM_TRANSPARENT, RM_NONE, BT_NONE, true, true>(bp, zoom); return;
case BM_CRASH_REMAP: Draw<BM_CRASH_REMAP, RM_NONE, BT_NONE, true, true>(bp, zoom); return;
case BM_BLACK_REMAP: Draw<BM_BLACK_REMAP, RM_NONE, BT_NONE, true, true>(bp, zoom); return;
case BM_COLOUR_REMAP_WITH_BRIGHTNESS:
if (!(sprite_flags & BSF_NO_REMAP)) {
Draw<BM_COLOUR_REMAP_WITH_BRIGHTNESS, RM_NONE, BT_NONE, true, true>(bp, zoom);
return;
}
/* FALL THROUGH */
case BM_NORMAL_WITH_BRIGHTNESS:
Draw<BM_NORMAL_WITH_BRIGHTNESS, RM_NONE, BT_NONE, true, true>(bp, zoom);
return;
}
}
#endif /* WITH_SSE */