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Diffstat (limited to 'libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_up.c')
-rw-r--r--libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_up.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_up.c b/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_up.c
new file mode 100644
index 0000000..7327ac5
--- /dev/null
+++ b/libraries/evas/src/lib/engines/common/evas_scale_smooth_scaler_up.c
@@ -0,0 +1,266 @@
1{
2 int srx = src_region_x, sry = src_region_y;
3 int srw = src_region_w, srh = src_region_h;
4 int drx = dst_region_x, dry = dst_region_y;
5 int drw = dst_region_w, drh = dst_region_h;
6
7 int dsxx, dsyy, sxx, syy, sx, sy;
8 int cx, cy;
9 int direct_scale = 0, buf_step = 0;
10
11 DATA32 *psrc, *pdst, *pdst_end;
12 DATA32 *buf, *pbuf, *pbuf_end;
13 RGBA_Gfx_Func func = NULL;
14
15 /* check value to make overflow(only check value related with overflow) */
16 if ((src_region_w > SCALE_SIZE_MAX) ||
17 (src_region_h > SCALE_SIZE_MAX)) return;
18
19 /* a scanline buffer */
20 pdst = dst_ptr; // it's been set at (dst_clip_x, dst_clip_y)
21 pdst_end = pdst + (dst_clip_h * dst_w);
22 if (!dc->mul.use)
23 {
24 if ((dc->render_op == _EVAS_RENDER_BLEND) && !src->cache_entry.flags.alpha)
25 { direct_scale = 1; buf_step = dst->cache_entry.w; }
26 else if (dc->render_op == _EVAS_RENDER_COPY)
27 {
28 direct_scale = 1; buf_step = dst->cache_entry.w;
29 if (src->cache_entry.flags.alpha)
30 dst->cache_entry.flags.alpha = 1;
31 }
32 }
33 if (!direct_scale)
34 {
35 buf = alloca(dst_clip_w * sizeof(DATA32));
36 if (dc->mul.use)
37 func = evas_common_gfx_func_composite_pixel_color_span_get(src, dc->mul.col, dst, dst_clip_w, dc->render_op);
38 else
39 func = evas_common_gfx_func_composite_pixel_span_get(src, dst, dst_clip_w, dc->render_op);
40 }
41 else
42 buf = pdst;
43
44 if ((srw > 1) && (drw > 1))
45 dsxx = ((srw - 1) << 16) / (drw - 1);
46 else
47 dsxx = (srw << 16) / drw;
48 if ((srh > 1) && (drh > 1))
49 dsyy = ((srh - 1) << 16) / (drh - 1);
50 else
51 dsyy = (srh << 16) / drh;
52
53 cx = dst_clip_x - drx;
54 cy = dst_clip_y - dry;
55
56 sxx = (dsxx * cx);
57 syy = (dsyy * cy);
58
59 sy = syy >> 16;
60
61 if (drh == srh)
62 {
63 int sxx0 = sxx;
64#ifdef EVAS_SLI
65 int ysli = dst_clip_y;
66#endif
67 psrc = src->image.data + (src_w * (sry + cy)) + srx;
68 while (pdst < pdst_end)
69 {
70#ifdef EVAS_SLI
71 if (((ysli) % dc->sli.h) == dc->sli.y)
72#endif
73 {
74 pbuf = buf; pbuf_end = buf + dst_clip_w;
75 sxx = sxx0;
76#ifdef SCALE_USING_MMX
77 pxor_r2r(mm0, mm0);
78 MOV_A2R(ALPHA_255, mm5)
79#endif
80 while (pbuf < pbuf_end)
81 {
82 DATA32 p0, p1;
83 int ax;
84
85 sx = (sxx >> 16);
86 ax = 1 + ((sxx - (sx << 16)) >> 8);
87 p0 = p1 = *(psrc + sx);
88 if ((sx + 1) < srw)
89 p1 = *(psrc + sx + 1);
90#ifdef SCALE_USING_MMX
91 MOV_P2R(p0, mm1, mm0)
92 if (p0 | p1)
93 {
94 MOV_A2R(ax, mm3)
95 MOV_P2R(p1, mm2, mm0)
96 INTERP_256_R2R(mm3, mm2, mm1, mm5)
97 }
98 MOV_R2P(mm1, *pbuf, mm0)
99 pbuf++;
100#else
101 if (p0 | p1)
102 p0 = INTERP_256(ax, p1, p0);
103 *pbuf++ = p0;
104#endif
105 sxx += dsxx;
106 }
107 /* * blend here [clip_w *] buf -> dptr * */
108 if (!direct_scale)
109 func(buf, NULL, dc->mul.col, pdst, dst_clip_w);
110 }
111#ifdef EVAS_SLI
112 ysli++;
113#endif
114 pdst += dst_w;
115 psrc += src_w;
116 buf += buf_step;
117 }
118
119 goto done_scale_up;
120 }
121 else if (drw == srw)
122 {
123 DATA32 *ps = src->image.data + (src_w * sry) + srx + cx;
124#ifdef EVAS_SLI
125 int ysli = dst_clip_y;
126#endif
127
128 while (pdst < pdst_end)
129 {
130#ifdef EVAS_SLI
131 if (((ysli) % dc->sli.h) == dc->sli.y)
132#endif
133 {
134 int ay;
135
136 sy = syy >> 16;
137 psrc = ps + (sy * src_w);
138 ay = 1 + ((syy - (sy << 16)) >> 8);
139#ifdef SCALE_USING_MMX
140 pxor_r2r(mm0, mm0);
141 MOV_A2R(ALPHA_255, mm5)
142 MOV_A2R(ay, mm4)
143#endif
144 pbuf = buf; pbuf_end = buf + dst_clip_w;
145 while (pbuf < pbuf_end)
146 {
147 DATA32 p0 = *psrc, p2 = p0;
148
149 if ((sy + 1) < srh)
150 p2 = *(psrc + src_w);
151#ifdef SCALE_USING_MMX
152 MOV_P2R(p0, mm1, mm0)
153 if (p0 | p2)
154 {
155 MOV_P2R(p2, mm2, mm0)
156 INTERP_256_R2R(mm4, mm2, mm1, mm5)
157 }
158 MOV_R2P(mm1, *pbuf, mm0)
159 pbuf++;
160#else
161 if (p0 | p2)
162 p0 = INTERP_256(ay, p2, p0);
163 *pbuf++ = p0;
164#endif
165 psrc++;
166 }
167 /* * blend here [clip_w *] buf -> dptr * */
168 if (!direct_scale)
169 func(buf, NULL, dc->mul.col, pdst, dst_clip_w);
170 }
171#ifdef EVAS_SLI
172 ysli++;
173#endif
174 pdst += dst_w;
175 syy += dsyy;
176 buf += buf_step;
177 }
178 goto done_scale_up;
179 }
180
181 {
182 DATA32 *ps = src->image.data + (src_w * sry) + srx;
183 int sxx0 = sxx;
184#ifdef EVAS_SLI
185 int ysli = dst_clip_y;
186#endif
187
188 while (pdst < pdst_end)
189 {
190#ifdef EVAS_SLI
191 if (((ysli) % dc->sli.h) == dc->sli.y)
192#endif
193 {
194 int ay;
195
196 sy = syy >> 16;
197 psrc = ps + (sy * src_w);
198 ay = 1 + ((syy - (sy << 16)) >> 8);
199#ifdef SCALE_USING_MMX
200 MOV_A2R(ay, mm4)
201 pxor_r2r(mm0, mm0);
202 MOV_A2R(ALPHA_255, mm5)
203#endif
204 pbuf = buf; pbuf_end = buf + dst_clip_w;
205 sxx = sxx0;
206 while (pbuf < pbuf_end)
207 {
208 int ax;
209 DATA32 *p, *q;
210 DATA32 p0, p1, p2, p3;
211
212 sx = sxx >> 16;
213 ax = 1 + ((sxx - (sx << 16)) >> 8);
214 p = psrc + sx; q = p + src_w;
215 p0 = p1 = p2 = p3 = *p;
216 if ((sx + 1) < srw)
217 p1 = *(p + 1);
218 if ((sy + 1) < srh)
219 {
220 p2 = *q; p3 = p2;
221 if ((sx + 1) < srw)
222 p3 = *(q + 1);
223 }
224#ifdef SCALE_USING_MMX
225 MOV_A2R(ax, mm6)
226 MOV_P2R(p0, mm1, mm0)
227 if (p0 | p1)
228 {
229 MOV_P2R(p1, mm2, mm0)
230 INTERP_256_R2R(mm6, mm2, mm1, mm5)
231 }
232 MOV_P2R(p2, mm2, mm0)
233 if (p2 | p3)
234 {
235 MOV_P2R(p3, mm3, mm0)
236 INTERP_256_R2R(mm6, mm3, mm2, mm5)
237 }
238 INTERP_256_R2R(mm4, mm2, mm1, mm5)
239 MOV_R2P(mm1, *pbuf, mm0)
240 pbuf++;
241#else
242 if (p0 | p1)
243 p0 = INTERP_256(ax, p1, p0);
244 if (p2 | p3)
245 p2 = INTERP_256(ax, p3, p2);
246 if (p0 | p2)
247 p0 = INTERP_256(ay, p2, p0);
248 *pbuf++ = p0;
249#endif
250 sxx += dsxx;
251 }
252 /* * blend here [clip_w *] buf -> dptr * */
253 if (!direct_scale)
254 func(buf, NULL, dc->mul.col, pdst, dst_clip_w);
255 }
256#ifdef EVAS_SLI
257 ysli++;
258#endif
259 pdst += dst_w;
260 syy += dsyy;
261 buf += buf_step;
262 }
263 }
264 done_scale_up:
265 return;
266}
generated by cgit v1.1 at 2024-07-18 11:23:05 +0000