OpenTTD Source: src/blitter/32bpp_anim_sse4.cpp Source File

OpenTTD Source 1.11.0-RC1

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