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(svn r28004) -Update from Eints:
[openttd.git] / src / blitter / 32bpp_anim_sse4.cpp
blob987cb0c6ac22458e82301acc1d3678604ed67e0a
1 /* $Id$ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
10 /** @file 32bpp_sse4_anim.cpp Implementation of the SSE4 32 bpp blitter with animation support. */
11
12 #ifdef WITH_SSE
13
14 #include "../stdafx.h"
15 #include "../video/video_driver.hpp"
16 #include "../table/sprites.h"
17 #include "32bpp_anim_sse4.hpp"
18 #include "32bpp_sse_func.hpp"
19
20 #include "../safeguards.h"
21
22 /** Instantiation of the SSE4 32bpp blitter factory. */
23 static FBlitter_32bppSSE4_Anim iFBlitter_32bppSSE4_Anim;
24
25 /**
26 * Draws a sprite to a (screen) buffer. It is templated to allow faster operation.
27 *
28 * @tparam mode blitter mode
29 * @param bp further blitting parameters
30 * @param zoom zoom level at which we are drawing
31 */
32 IGNORE_UNINITIALIZED_WARNING_START
33 template <BlitterMode mode, Blitter_32bppSSE2::ReadMode read_mode, Blitter_32bppSSE2::BlockType bt_last, bool translucent, bool animated>
34 inline void Blitter_32bppSSE4_Anim::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
35 {
36 const byte * const remap = bp->remap;
37 Colour *dst_line = (Colour *) bp->dst + bp->top * bp->pitch + bp->left;
38 assert(_screen.pitch == this->anim_buf_pitch); // precondition for translating 'bp->dst' into an 'anim_buf' offset below.
39 uint16 *anim_line = this->anim_buf + ((uint32 *)bp->dst - (uint32 *)_screen.dst_ptr) + bp->top * this->anim_buf_pitch + bp->left;
40 int effective_width = bp->width;
41
42 /* Find where to start reading in the source sprite. */
43 const Blitter_32bppSSE_Base::SpriteData * const sd = (const Blitter_32bppSSE_Base::SpriteData *) bp->sprite;
44 const SpriteInfo * const si = &sd->infos[zoom];
45 const MapValue *src_mv_line = (const MapValue *) &sd->data[si->mv_offset] + bp->skip_top * si->sprite_width;
46 const Colour *src_rgba_line = (const Colour *) ((const byte *) &sd->data[si->sprite_offset] + bp->skip_top * si->sprite_line_size);
47
48 if (read_mode != RM_WITH_MARGIN) {
49 src_rgba_line += bp->skip_left;
50 src_mv_line += bp->skip_left;
51 }
52 const MapValue *src_mv = src_mv_line;
53
54 /* Load these variables into register before loop. */
55 const __m128i a_cm = ALPHA_CONTROL_MASK;
56 const __m128i pack_low_cm = PACK_LOW_CONTROL_MASK;
57 const __m128i tr_nom_base = TRANSPARENT_NOM_BASE;
58
59 for (int y = bp->height; y != 0; y--) {
60 Colour *dst = dst_line;
61 const Colour *src = src_rgba_line + META_LENGTH;
62 if (mode != BM_TRANSPARENT) src_mv = src_mv_line;
63 uint16 *anim = anim_line;
64
65 if (read_mode == RM_WITH_MARGIN) {
66 assert(bt_last == BT_NONE); // or you must ensure block type is preserved
67 anim += src_rgba_line[0].data;
68 src += src_rgba_line[0].data;
69 dst += src_rgba_line[0].data;
70 if (mode != BM_TRANSPARENT) src_mv += src_rgba_line[0].data;
71 const int width_diff = si->sprite_width - bp->width;
72 effective_width = bp->width - (int) src_rgba_line[0].data;
73 const int delta_diff = (int) src_rgba_line[1].data - width_diff;
74 const int new_width = effective_width - delta_diff;
75 effective_width = delta_diff > 0 ? new_width : effective_width;
76 if (effective_width <= 0) goto next_line;
77 }
78
79 switch (mode) {
80 default:
81 if (!translucent) {
82 for (uint x = (uint) effective_width; x > 0; x--) {
83 if (src->a) {
84 if (animated) {
85 *anim = *(const uint16*) src_mv;
86 *dst = (src_mv->m >= PALETTE_ANIM_START) ? AdjustBrightneSSE(this->LookupColourInPalette(src_mv->m), src_mv->v) : src->data;
87 } else {
88 *anim = 0;
89 *dst = *src;
90 }
91 }
92 if (animated) src_mv++;
93 anim++;
94 src++;
95 dst++;
96 }
97 break;
98 }
99
100 for (uint x = (uint) effective_width/2; x != 0; x--) {
101 uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
102 __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
103 __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
104
105 if (animated) {
106 /* Remap colours. */
107 const byte m0 = mvX2;
108 if (m0 >= PALETTE_ANIM_START) {
109 const Colour c0 = (this->LookupColourInPalette(m0).data & 0x00FFFFFF) | (src[0].data & 0xFF000000);
110 InsertFirstUint32(AdjustBrightneSSE(c0, (byte) (mvX2 >> 8)).data, srcABCD);
111 }
112 const byte m1 = mvX2 >> 16;
113 if (m1 >= PALETTE_ANIM_START) {
114 const Colour c1 = (this->LookupColourInPalette(m1).data & 0x00FFFFFF) | (src[1].data & 0xFF000000);
115 InsertSecondUint32(AdjustBrightneSSE(c1, (byte) (mvX2 >> 24)).data, srcABCD);
116 }
117
118 /* Update anim buffer. */
119 const byte a0 = src[0].a;
120 const byte a1 = src[1].a;
121 uint32 anim01 = 0;
122 if (a0 == 255) {
123 if (a1 == 255) {
124 *(uint32*) anim = mvX2;
125 goto bmno_full_opacity;
126 }
127 anim01 = (uint16) mvX2;
128 } else if (a0 == 0) {
129 if (a1 == 0) {
130 goto bmno_full_transparency;
131 } else {
132 if (a1 == 255) anim[1] = (uint16) (mvX2 >> 16);
133 goto bmno_alpha_blend;
134 }
135 }
136 if (a1 > 0) {
137 if (a1 == 255) anim01 |= mvX2 & 0xFFFF0000;
138 *(uint32*) anim = anim01;
139 } else {
140 anim[0] = (uint16) anim01;
141 }
142 } else {
143 if (src[0].a) anim[0] = 0;
144 if (src[1].a) anim[1] = 0;
145 }
146
147 /* Blend colours. */
148 bmno_alpha_blend:
149 srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm);
150 bmno_full_opacity:
151 _mm_storel_epi64((__m128i *) dst, srcABCD);
152 bmno_full_transparency:
153 src_mv += 2;
154 src += 2;
155 anim += 2;
156 dst += 2;
157 }
158
159 if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
160 if (src->a == 0) {
161 } else if (src->a == 255) {
162 *anim = *(const uint16*) src_mv;
163 *dst = (src_mv->m >= PALETTE_ANIM_START) ? AdjustBrightneSSE(LookupColourInPalette(src_mv->m), src_mv->v) : *src;
164 } else {
165 *anim = 0;
166 __m128i srcABCD;
167 __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
168 if (src_mv->m >= PALETTE_ANIM_START) {
169 Colour colour = AdjustBrightneSSE(LookupColourInPalette(src_mv->m), src_mv->v);
170 colour.a = src->a;
171 srcABCD = _mm_cvtsi32_si128(colour.data);
172 } else {
173 srcABCD = _mm_cvtsi32_si128(src->data);
174 }
175 dst->data = _mm_cvtsi128_si32(AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm));
176 }
177 }
178 break;
179
180 case BM_COLOUR_REMAP:
181 for (uint x = (uint) effective_width / 2; x != 0; x--) {
182 uint32 mvX2 = *((uint32 *) const_cast<MapValue *>(src_mv));
183 __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
184 __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
185
186 /* Remap colours. */
187 const uint m0 = (byte) mvX2;
188 const uint r0 = remap[m0];
189 const uint m1 = (byte) (mvX2 >> 16);
190 const uint r1 = remap[m1];
191 if (mvX2 & 0x00FF00FF) {
192 #define CMOV_REMAP(m_colour, m_colour_init, m_src, m_m) \
193 /* Written so the compiler uses CMOV. */ \
194 Colour m_colour = m_colour_init; \
195 { \
196 const Colour srcm = (Colour) (m_src); \
197 const uint m = (byte) (m_m); \
198 const uint r = remap[m]; \
199 const Colour cmap = (this->LookupColourInPalette(r).data & 0x00FFFFFF) | (srcm.data & 0xFF000000); \
200 m_colour = r == 0 ? m_colour : cmap; \
201 m_colour = m != 0 ? m_colour : srcm; \
202 }
203 #ifdef _SQ64
204 uint64 srcs = _mm_cvtsi128_si64(srcABCD);
205 uint64 dsts;
206 if (animated) dsts = _mm_cvtsi128_si64(dstABCD);
207 uint64 remapped_src = 0;
208 CMOV_REMAP(c0, animated ? dsts : 0, srcs, mvX2);
209 remapped_src = c0.data;
210 CMOV_REMAP(c1, animated ? dsts >> 32 : 0, srcs >> 32, mvX2 >> 16);
211 remapped_src |= (uint64) c1.data << 32;
212 srcABCD = _mm_cvtsi64_si128(remapped_src);
213 #else
214 Colour remapped_src[2];
215 CMOV_REMAP(c0, animated ? _mm_cvtsi128_si32(dstABCD) : 0, _mm_cvtsi128_si32(srcABCD), mvX2);
216 remapped_src[0] = c0.data;
217 CMOV_REMAP(c1, animated ? dst[1] : 0, src[1], mvX2 >> 16);
218 remapped_src[1] = c1.data;
219 srcABCD = _mm_loadl_epi64((__m128i*) &remapped_src);
220 #endif
221
222 if ((mvX2 & 0xFF00FF00) != 0x80008000) srcABCD = AdjustBrightnessOfTwoPixels(srcABCD, mvX2);
223 }
224
225 /* Update anim buffer. */
226 if (animated) {
227 const byte a0 = src[0].a;
228 const byte a1 = src[1].a;
229 uint32 anim01 = mvX2 & 0xFF00FF00;
230 if (a0 == 255) {
231 anim01 |= r0;
232 if (a1 == 255) {
233 *(uint32*) anim = anim01 | (r1 << 16);
234 goto bmcr_full_opacity;
235 }
236 } else if (a0 == 0) {
237 if (a1 == 0) {
238 goto bmcr_full_transparency;
239 } else {
240 if (a1 == 255) {
241 anim[1] = r1 | (anim01 >> 16);
242 }
243 goto bmcr_alpha_blend;
244 }
245 }
246 if (a1 > 0) {
247 if (a1 == 255) anim01 |= r1 << 16;
248 *(uint32*) anim = anim01;
249 } else {
250 anim[0] = (uint16) anim01;
251 }
252 } else {
253 if (src[0].a) anim[0] = 0;
254 if (src[1].a) anim[1] = 0;
255 }
256
257 /* Blend colours. */
258 bmcr_alpha_blend:
259 srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm);
260 bmcr_full_opacity:
261 _mm_storel_epi64((__m128i *) dst, srcABCD);
262 bmcr_full_transparency:
263 src_mv += 2;
264 dst += 2;
265 src += 2;
266 anim += 2;
267 }
268
269 if ((bt_last == BT_NONE && effective_width & 1) || bt_last == BT_ODD) {
270 /* In case the m-channel is zero, do not remap this pixel in any way. */
271 __m128i srcABCD;
272 if (src->a == 0) break;
273 if (src_mv->m) {
274 const uint r = remap[src_mv->m];
275 *anim = (animated && src->a == 255) ? r | ((uint16) src_mv->v << 8 ) : 0;
276 if (r != 0) {
277 Colour remapped_colour = AdjustBrightneSSE(this->LookupColourInPalette(r), src_mv->v);
278 if (src->a == 255) {
279 *dst = remapped_colour;
280 } else {
281 remapped_colour.a = src->a;
282 srcABCD = _mm_cvtsi32_si128(remapped_colour.data);
283 goto bmcr_alpha_blend_single;
284 }
285 }
286 } else {
287 *anim = 0;
288 srcABCD = _mm_cvtsi32_si128(src->data);
289 if (src->a < 255) {
290 bmcr_alpha_blend_single:
291 __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
292 srcABCD = AlphaBlendTwoPixels(srcABCD, dstABCD, a_cm, pack_low_cm);
293 }
294 dst->data = _mm_cvtsi128_si32(srcABCD);
295 }
296 }
297 break;
298
299 case BM_TRANSPARENT:
300 /* Make the current colour a bit more black, so it looks like this image is transparent. */
301 for (uint x = (uint) bp->width / 2; x > 0; x--) {
302 __m128i srcABCD = _mm_loadl_epi64((const __m128i*) src);
303 __m128i dstABCD = _mm_loadl_epi64((__m128i*) dst);
304 _mm_storel_epi64((__m128i *) dst, DarkenTwoPixels(srcABCD, dstABCD, a_cm, tr_nom_base));
305 src += 2;
306 dst += 2;
307 anim += 2;
308 if (src[-2].a) anim[-2] = 0;
309 if (src[-1].a) anim[-1] = 0;
310 }
311
312 if ((bt_last == BT_NONE && bp->width & 1) || bt_last == BT_ODD) {
313 __m128i srcABCD = _mm_cvtsi32_si128(src->data);
314 __m128i dstABCD = _mm_cvtsi32_si128(dst->data);
315 dst->data = _mm_cvtsi128_si32(DarkenTwoPixels(srcABCD, dstABCD, a_cm, tr_nom_base));
316 if (src[0].a) anim[0] = 0;
317 }
318 break;
319
320 case BM_CRASH_REMAP:
321 for (uint x = (uint) bp->width; x > 0; x--) {
322 if (src_mv->m == 0) {
323 if (src->a != 0) {
324 uint8 g = MakeDark(src->r, src->g, src->b);
325 *dst = ComposeColourRGBA(g, g, g, src->a, *dst);
326 *anim = 0;
327 }
328 } else {
329 uint r = remap[src_mv->m];
330 if (r != 0) *dst = ComposeColourPANoCheck(this->AdjustBrightness(this->LookupColourInPalette(r), src_mv->v), src->a, *dst);
331 }
332 src_mv++;
333 dst++;
334 src++;
335 anim++;
336 }
337 break;
338
339 case BM_BLACK_REMAP:
340 for (uint x = (uint) bp->width; x > 0; x--) {
341 if (src->a != 0) {
342 *dst = Colour(0, 0, 0);
343 *anim = 0;
344 }
345 src_mv++;
346 dst++;
347 src++;
348 anim++;
349 }
350 break;
351 }
352
353 next_line:
354 if (mode != BM_TRANSPARENT) src_mv_line += si->sprite_width;
355 src_rgba_line = (const Colour*) ((const byte*) src_rgba_line + si->sprite_line_size);
356 dst_line += bp->pitch;
357 anim_line += this->anim_buf_pitch;
358 }
359 }
360 IGNORE_UNINITIALIZED_WARNING_STOP
361
362 /**
363 * Draws a sprite to a (screen) buffer. Calls adequate templated function.
364 *
365 * @param bp further blitting parameters
366 * @param mode blitter mode
367 * @param zoom zoom level at which we are drawing
368 */
369 void Blitter_32bppSSE4_Anim::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
370 {
371 const Blitter_32bppSSE_Base::SpriteFlags sprite_flags = ((const Blitter_32bppSSE_Base::SpriteData *) bp->sprite)->flags;
372 switch (mode) {
373 default: {
374 bm_normal:
375 if (bp->skip_left != 0 || bp->width <= MARGIN_NORMAL_THRESHOLD) {
376 const BlockType bt_last = (BlockType) (bp->width & 1);
377 if (bt_last == BT_EVEN) {
378 if (sprite_flags & SF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN, true, false>(bp, zoom);
379 else Draw<BM_NORMAL, RM_WITH_SKIP, BT_EVEN, true, true>(bp, zoom);
380 } else {
381 if (sprite_flags & SF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD, true, false>(bp, zoom);
382 else Draw<BM_NORMAL, RM_WITH_SKIP, BT_ODD, true, true>(bp, zoom);
383 }
384 } else {
385 #ifdef _SQ64
386 if (sprite_flags & SF_TRANSLUCENT) {
387 if (sprite_flags & SF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, false>(bp, zoom);
388 else Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, true>(bp, zoom);
389 } else {
390 if (sprite_flags & SF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, false, false>(bp, zoom);
391 else Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, false, true>(bp, zoom);
392 }
393 #else
394 if (sprite_flags & SF_NO_ANIM) Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, false>(bp, zoom);
395 else Draw<BM_NORMAL, RM_WITH_MARGIN, BT_NONE, true, true>(bp, zoom);
396 #endif
397 }
398 break;
399 }
400 case BM_COLOUR_REMAP:
401 if (sprite_flags & SF_NO_REMAP) goto bm_normal;
402 if (bp->skip_left != 0 || bp->width <= MARGIN_REMAP_THRESHOLD) {
403 if (sprite_flags & SF_NO_ANIM) Draw<BM_COLOUR_REMAP, RM_WITH_SKIP, BT_NONE, true, false>(bp, zoom);
404 else Draw<BM_COLOUR_REMAP, RM_WITH_SKIP, BT_NONE, true, true>(bp, zoom);
405 } else {
406 if (sprite_flags & SF_NO_ANIM) Draw<BM_COLOUR_REMAP, RM_WITH_MARGIN, BT_NONE, true, false>(bp, zoom);
407 else Draw<BM_COLOUR_REMAP, RM_WITH_MARGIN, BT_NONE, true, true>(bp, zoom);
408 }
409 break;
410 case BM_TRANSPARENT: Draw<BM_TRANSPARENT, RM_NONE, BT_NONE, true, true>(bp, zoom); return;
411 case BM_CRASH_REMAP: Draw<BM_CRASH_REMAP, RM_NONE, BT_NONE, true, true>(bp, zoom); return;
412 case BM_BLACK_REMAP: Draw<BM_BLACK_REMAP, RM_NONE, BT_NONE, true, true>(bp, zoom); return;
413 }
414 }
415
416 #endif /* WITH_SSE */
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