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authorDavid Walter Seikel2012-01-04 18:41:13 +1000
committerDavid Walter Seikel2012-01-04 18:41:13 +1000
commitdd7595a3475407a7fa96a97393bae8c5220e8762 (patch)
treee341e911d7eb911a51684a7412ef7f7c7605d28e /libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c
parentAdd the skeleton. (diff)
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Add the base Enlightenment Foundation Libraries - eina, eet, evas, ecore, embryo, and edje.
Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
Diffstat (limited to 'libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c')
-rw-r--r--libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c387
1 files changed, 387 insertions, 0 deletions
diff --git a/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c b/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c
new file mode 100644
index 0000000..ab0c74e
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_downx_downy.c
@@ -0,0 +1,387 @@
1{
2 int Cx, Cy, i, j;
3 DATA32 *dptr, *sptr, *pix, *pbuf;
4 int a, r, g, b, rx, gx, bx, ax;
5 int xap, yap, pos;
6 int dyy, dxx;
7#ifdef EVAS_SLI
8 int ysli = dst_clip_y;
9#endif
10
11 DATA32 **yp;
12 int *xp;
13 int w = dst_clip_w;
14
15 dptr = dst_ptr;
16 pos = (src_region_y * src_w) + src_region_x;
17 dyy = dst_clip_y - dst_region_y;
18 dxx = dst_clip_x - dst_region_x;
19
20 xp = xpoints;// + dxx;
21 yp = ypoints;// + dyy;
22 xapp = xapoints;// + dxx;
23 yapp = yapoints;// + dyy;
24 pbuf = buf;
25/*#ifndef SCALE_USING_MMX */
26/* for now there's no mmx down scaling - so C only */
27#if 1
28 if (src->cache_entry.flags.alpha)
29 {
30 while (dst_clip_h--)
31 {
32#ifdef EVAS_SLI
33 if (((ysli) % dc->sli.h) == dc->sli.y)
34#endif
35 {
36 Cy = *yapp >> 16;
37 yap = *yapp & 0xffff;
38
39 while (dst_clip_w--)
40 {
41 Cx = *xapp >> 16;
42 xap = *xapp & 0xffff;
43
44 sptr = *yp + *xp + pos;
45 pix = sptr;
46 sptr += src_w;
47
48 ax = (A_VAL(pix) * xap) >> 9;
49 rx = (R_VAL(pix) * xap) >> 9;
50 gx = (G_VAL(pix) * xap) >> 9;
51 bx = (B_VAL(pix) * xap) >> 9;
52 pix++;
53 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
54 {
55 ax += (A_VAL(pix) * Cx) >> 9;
56 rx += (R_VAL(pix) * Cx) >> 9;
57 gx += (G_VAL(pix) * Cx) >> 9;
58 bx += (B_VAL(pix) * Cx) >> 9;
59 pix++;
60 }
61 if (i > 0)
62 {
63 ax += (A_VAL(pix) * i) >> 9;
64 rx += (R_VAL(pix) * i) >> 9;
65 gx += (G_VAL(pix) * i) >> 9;
66 bx += (B_VAL(pix) * i) >> 9;
67 }
68
69 a = (ax * yap) >> 14;
70 r = (rx * yap) >> 14;
71 g = (gx * yap) >> 14;
72 b = (bx * yap) >> 14;
73
74 for (j = (1 << 14) - yap; j > Cy; j -= Cy)
75 {
76 pix = sptr;
77 sptr += src_w;
78 ax = (A_VAL(pix) * xap) >> 9;
79 rx = (R_VAL(pix) * xap) >> 9;
80 gx = (G_VAL(pix) * xap) >> 9;
81 bx = (B_VAL(pix) * xap) >> 9;
82 pix++;
83 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
84 {
85 ax += (A_VAL(pix) * Cx) >> 9;
86 rx += (R_VAL(pix) * Cx) >> 9;
87 gx += (G_VAL(pix) * Cx) >> 9;
88 bx += (B_VAL(pix) * Cx) >> 9;
89 pix++;
90 }
91 if (i > 0)
92 {
93 ax += (A_VAL(pix) * i) >> 9;
94 rx += (R_VAL(pix) * i) >> 9;
95 gx += (G_VAL(pix) * i) >> 9;
96 bx += (B_VAL(pix) * i) >> 9;
97 }
98
99 a += (ax * Cy) >> 14;
100 r += (rx * Cy) >> 14;
101 g += (gx * Cy) >> 14;
102 b += (bx * Cy) >> 14;
103 }
104 if (j > 0)
105 {
106 pix = sptr;
107 sptr += src_w;
108 ax = (A_VAL(pix) * xap) >> 9;
109 rx = (R_VAL(pix) * xap) >> 9;
110 gx = (G_VAL(pix) * xap) >> 9;
111 bx = (B_VAL(pix) * xap) >> 9;
112 pix++;
113 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
114 {
115 ax += (A_VAL(pix) * Cx) >> 9;
116 rx += (R_VAL(pix) * Cx) >> 9;
117 gx += (G_VAL(pix) * Cx) >> 9;
118 bx += (B_VAL(pix) * Cx) >> 9;
119 pix++;
120 }
121 if (i > 0)
122 {
123 ax += (A_VAL(pix) * i) >> 9;
124 rx += (R_VAL(pix) * i) >> 9;
125 gx += (G_VAL(pix) * i) >> 9;
126 bx += (B_VAL(pix) * i) >> 9;
127 }
128
129 a += (ax * j) >> 14;
130 r += (rx * j) >> 14;
131 g += (gx * j) >> 14;
132 b += (bx * j) >> 14;
133 }
134 *pbuf++ = ARGB_JOIN(((a + (1 << 4)) >> 5),
135 ((r + (1 << 4)) >> 5),
136 ((g + (1 << 4)) >> 5),
137 ((b + (1 << 4)) >> 5));
138 xp++; xapp++;
139 }
140
141 func(buf, NULL, dc->mul.col, dptr, w);
142 }
143#ifdef EVAS_SLI
144 ysli++;
145#endif
146 pbuf = buf;
147 dptr += dst_w; dst_clip_w = w;
148 xp = xpoints;// + dxx;
149 xapp = xapoints;// + dxx;
150 yp++; yapp++;
151 }
152 }
153 else
154 {
155#ifdef DIRECT_SCALE
156 if ((!src->cache_entry.flags.alpha) &&
157 (!dst->cache_entry.flags.alpha) &&
158 (!dc->mul.use))
159 {
160 while (dst_clip_h--)
161 {
162#ifdef EVAS_SLI
163 if (((ysli) % dc->sli.h) == dc->sli.y)
164#endif
165 {
166 Cy = *yapp >> 16;
167 yap = *yapp & 0xffff;
168
169 pbuf = dptr;
170 while (dst_clip_w--)
171 {
172 Cx = *xapp >> 16;
173 xap = *xapp & 0xffff;
174
175 sptr = *yp + *xp + pos;
176 pix = sptr;
177 sptr += src_w;
178
179 rx = (R_VAL(pix) * xap) >> 9;
180 gx = (G_VAL(pix) * xap) >> 9;
181 bx = (B_VAL(pix) * xap) >> 9;
182 pix++;
183 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
184 {
185 rx += (R_VAL(pix) * Cx) >> 9;
186 gx += (G_VAL(pix) * Cx) >> 9;
187 bx += (B_VAL(pix) * Cx) >> 9;
188 pix++;
189 }
190 if (i > 0)
191 {
192 rx += (R_VAL(pix) * i) >> 9;
193 gx += (G_VAL(pix) * i) >> 9;
194 bx += (B_VAL(pix) * i) >> 9;
195 }
196
197 r = (rx * yap) >> 14;
198 g = (gx * yap) >> 14;
199 b = (bx * yap) >> 14;
200
201 for (j = (1 << 14) - yap; j > Cy; j -= Cy)
202 {
203 pix = sptr;
204 sptr += src_w;
205 rx = (R_VAL(pix) * xap) >> 9;
206 gx = (G_VAL(pix) * xap) >> 9;
207 bx = (B_VAL(pix) * xap) >> 9;
208 pix++;
209 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
210 {
211 rx += (R_VAL(pix) * Cx) >> 9;
212 gx += (G_VAL(pix) * Cx) >> 9;
213 bx += (B_VAL(pix) * Cx) >> 9;
214 pix++;
215 }
216 if (i > 0)
217 {
218 rx += (R_VAL(pix) * i) >> 9;
219 gx += (G_VAL(pix) * i) >> 9;
220 bx += (B_VAL(pix) * i) >> 9;
221 }
222
223 r += (rx * Cy) >> 14;
224 g += (gx * Cy) >> 14;
225 b += (bx * Cy) >> 14;
226 }
227 if (j > 0)
228 {
229 pix = sptr;
230 sptr += src_w;
231 rx = (R_VAL(pix) * xap) >> 9;
232 gx = (G_VAL(pix) * xap) >> 9;
233 bx = (B_VAL(pix) * xap) >> 9;
234 pix++;
235 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
236 {
237 rx += (R_VAL(pix) * Cx) >> 9;
238 gx += (G_VAL(pix) * Cx) >> 9;
239 bx += (B_VAL(pix) * Cx) >> 9;
240 pix++;
241 }
242 if (i > 0)
243 {
244 rx += (R_VAL(pix) * i) >> 9;
245 gx += (G_VAL(pix) * i) >> 9;
246 bx += (B_VAL(pix) * i) >> 9;
247 }
248
249 r += (rx * j) >> 14;
250 g += (gx * j) >> 14;
251 b += (bx * j) >> 14;
252 }
253 *pbuf++ = ARGB_JOIN(0xff,
254 ((r + (1 << 4)) >> 5),
255 ((g + (1 << 4)) >> 5),
256 ((b + (1 << 4)) >> 5));
257 xp++; xapp++;
258 }
259 }
260#ifdef EVAS_SLI
261 ysli++;
262#endif
263 dptr += dst_w; dst_clip_w = w;
264 xp = xpoints;// + dxx;
265 xapp = xapoints;// + dxx;
266 yp++; yapp++;
267 }
268 }
269 else
270#endif
271 {
272 while (dst_clip_h--)
273 {
274#ifdef EVAS_SLI
275 if (((ysli) % dc->sli.h) == dc->sli.y)
276#endif
277 {
278 Cy = *yapp >> 16;
279 yap = *yapp & 0xffff;
280
281 while (dst_clip_w--)
282 {
283 Cx = *xapp >> 16;
284 xap = *xapp & 0xffff;
285
286 sptr = *yp + *xp + pos;
287 pix = sptr;
288 sptr += src_w;
289
290 rx = (R_VAL(pix) * xap) >> 9;
291 gx = (G_VAL(pix) * xap) >> 9;
292 bx = (B_VAL(pix) * xap) >> 9;
293 pix++;
294 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
295 {
296 rx += (R_VAL(pix) * Cx) >> 9;
297 gx += (G_VAL(pix) * Cx) >> 9;
298 bx += (B_VAL(pix) * Cx) >> 9;
299 pix++;
300 }
301 if (i > 0)
302 {
303 rx += (R_VAL(pix) * i) >> 9;
304 gx += (G_VAL(pix) * i) >> 9;
305 bx += (B_VAL(pix) * i) >> 9;
306 }
307
308 r = (rx * yap) >> 14;
309 g = (gx * yap) >> 14;
310 b = (bx * yap) >> 14;
311
312 for (j = (1 << 14) - yap; j > Cy; j -= Cy)
313 {
314 pix = sptr;
315 sptr += src_w;
316 rx = (R_VAL(pix) * xap) >> 9;
317 gx = (G_VAL(pix) * xap) >> 9;
318 bx = (B_VAL(pix) * xap) >> 9;
319 pix++;
320 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
321 {
322 rx += (R_VAL(pix) * Cx) >> 9;
323 gx += (G_VAL(pix) * Cx) >> 9;
324 bx += (B_VAL(pix) * Cx) >> 9;
325 pix++;
326 }
327 if (i > 0)
328 {
329 rx += (R_VAL(pix) * i) >> 9;
330 gx += (G_VAL(pix) * i) >> 9;
331 bx += (B_VAL(pix) * i) >> 9;
332 }
333
334 r += (rx * Cy) >> 14;
335 g += (gx * Cy) >> 14;
336 b += (bx * Cy) >> 14;
337 }
338 if (j > 0)
339 {
340 pix = sptr;
341 sptr += src_w;
342 rx = (R_VAL(pix) * xap) >> 9;
343 gx = (G_VAL(pix) * xap) >> 9;
344 bx = (B_VAL(pix) * xap) >> 9;
345 pix++;
346 for (i = (1 << 14) - xap; i > Cx; i -= Cx)
347 {
348 rx += (R_VAL(pix) * Cx) >> 9;
349 gx += (G_VAL(pix) * Cx) >> 9;
350 bx += (B_VAL(pix) * Cx) >> 9;
351 pix++;
352 }
353 if (i > 0)
354 {
355 rx += (R_VAL(pix) * i) >> 9;
356 gx += (G_VAL(pix) * i) >> 9;
357 bx += (B_VAL(pix) * i) >> 9;
358 }
359
360 r += (rx * j) >> 14;
361 g += (gx * j) >> 14;
362 b += (bx * j) >> 14;
363 }
364 *pbuf++ = ARGB_JOIN(0xff,
365 ((r + (1 << 4)) >> 5),
366 ((g + (1 << 4)) >> 5),
367 ((b + (1 << 4)) >> 5));
368 xp++; xapp++;
369 }
370
371 func(buf, NULL, dc->mul.col, dptr, w);
372 }
373#ifdef EVAS_SLI
374 ysli++;
375#endif
376 pbuf = buf;
377 dptr += dst_w; dst_clip_w = w;
378 xp = xpoints;// + dxx;
379 xapp = xapoints;// + dxx;
380 yp++; yapp++;
381 }
382 }
383 }
384#else
385 /* MMX scaling down would go here */
386#endif
387}
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