summaryrefslogtreecommitdiff
path: root/src/blitter/32bpp_anim_sse4.cpp
blob: 004e320760ce82cca586c25aef7eb205757cc09d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
/* $Id$ */

/*
 * 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.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"

/** 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>
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 + ((uint32 *)bp->dst - (uint32 *)_screen.dst_ptr) + bp->top * this->anim_buf_width + 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;

	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);
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) {
					} 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));
					}
				}
				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 _SQ64
						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);
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);
						}
						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;
		}

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_width;
	}
}
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)
{
	const Blitter_32bppSSE_Base::SpriteFlags 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 & SF_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 & SF_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 _SQ64
				if (sprite_flags & SF_TRANSLUCENT) {
					if (sprite_flags & SF_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 & SF_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 & SF_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 & SF_NO_REMAP) goto bm_normal;
			if (bp->skip_left != 0 || bp->width <= MARGIN_REMAP_THRESHOLD) {
				if (sprite_flags & SF_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 & SF_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;
	}
}

#endif /* WITH_SSE */