31 #define vzero vec_splat_s32(0)
37 vector
unsigned int altivec_vectorShiftInt19 =
38 vec_add(vec_splat_u32(10), vec_splat_u32(9));
39 if ((uintptr_t)dest % 16) {
42 vector
unsigned char perm1;
44 for (i = 0 ; (i < dstW) &&
45 (((uintptr_t)dest + i) % 16) ; i++) {
47 dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t);
49 perm1 = vec_lvsl(i << 2, val);
50 v1 = vec_ld(i << 2, val);
51 for ( ; i < (dstW - 15); i+=16) {
53 vector
signed int v2 = vec_ld(offset + 16, val);
54 vector
signed int v3 = vec_ld(offset + 32, val);
55 vector
signed int v4 = vec_ld(offset + 48, val);
56 vector
signed int v5 = vec_ld(offset + 64, val);
57 vector
signed int v12 = vec_perm(v1, v2, perm1);
58 vector
signed int v23 = vec_perm(v2, v3, perm1);
59 vector
signed int v34 = vec_perm(v3, v4, perm1);
60 vector
signed int v45 = vec_perm(v4, v5, perm1);
62 vector
signed int vA = vec_sra(v12, altivec_vectorShiftInt19);
63 vector
signed int vB = vec_sra(v23, altivec_vectorShiftInt19);
64 vector
signed int vC = vec_sra(v34, altivec_vectorShiftInt19);
65 vector
signed int vD = vec_sra(v45, altivec_vectorShiftInt19);
66 vector
unsigned short vs1 = vec_packsu(vA, vB);
67 vector
unsigned short vs2 = vec_packsu(vC, vD);
68 vector
unsigned char vf = vec_packsu(vs1, vs2);
73 for (i = 0; i < (dstW - 15); i+=16) {
75 vector
signed int v1 = vec_ld(offset, val);
76 vector
signed int v2 = vec_ld(offset + 16, val);
77 vector
signed int v3 = vec_ld(offset + 32, val);
78 vector
signed int v4 = vec_ld(offset + 48, val);
79 vector
signed int v5 = vec_sra(v1, altivec_vectorShiftInt19);
80 vector
signed int v6 = vec_sra(v2, altivec_vectorShiftInt19);
81 vector
signed int v7 = vec_sra(v3, altivec_vectorShiftInt19);
82 vector
signed int v8 = vec_sra(v4, altivec_vectorShiftInt19);
83 vector
unsigned short vs1 = vec_packsu(v5, v6);
84 vector
unsigned short vs2 = vec_packsu(v7, v8);
85 vector
unsigned char vf = vec_packsu(vs1, vs2);
89 for ( ; i < dstW ; i++) {
91 dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t);
98 const int16_t **src, uint8_t *dest,
int dstW,
99 const uint8_t *
dither,
int offset)
105 for (i=0; i<dstW; i++)
106 val[i] = dither[(i + offset) & 7] << 12;
108 for (j = 0; j < filterSize; j++) {
109 vector
signed short l1, vLumFilter = vec_ld(j << 1, filter);
110 vector
unsigned char perm, perm0 = vec_lvsl(j << 1, filter);
111 vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0);
112 vLumFilter = vec_splat(vLumFilter, 0);
114 perm = vec_lvsl(0, src[j]);
115 l1 = vec_ld(0, src[j]);
117 for (i = 0; i < (dstW - 7); i+=8) {
119 vector
signed short l2 = vec_ld((i << 1) + 16, src[j]);
121 vector
signed int v1 = vec_ld(offset, val);
122 vector
signed int v2 = vec_ld(offset + 16, val);
124 vector
signed short ls = vec_perm(l1, l2, perm);
126 vector
signed int i1 = vec_mule(vLumFilter, ls);
127 vector
signed int i2 = vec_mulo(vLumFilter, ls);
129 vector
signed int vf1 = vec_mergeh(i1, i2);
130 vector
signed int vf2 = vec_mergel(i1, i2);
132 vector
signed int vo1 = vec_add(v1, vf1);
133 vector
signed int vo2 = vec_add(v2, vf2);
135 vec_st(vo1, offset, val);
136 vec_st(vo2, offset + 16, val);
140 for ( ; i < dstW; i++) {
141 val[i] += src[j][i] * filter[j];
149 const uint8_t *src,
const int16_t *
filter,
150 const int32_t *filterPos,
int filterSize)
155 if (filterSize % 4) {
156 for (i=0; i<dstW; i++) {
158 register int srcPos = filterPos[i];
159 register int val = 0;
160 for (j=0; j<filterSize; j++) {
161 val += ((int)src[srcPos + j])*filter[filterSize*i + j];
163 dst[i] =
FFMIN(val>>7, (1<<15)-1);
167 switch (filterSize) {
170 for (i=0; i<dstW; i++) {
171 register int srcPos = filterPos[i];
173 vector
unsigned char src_v0 = vec_ld(srcPos, src);
174 vector
unsigned char src_v1, src_vF;
175 vector
signed short src_v, filter_v;
176 vector
signed int val_vEven, val_s;
177 if ((((uintptr_t)src + srcPos) % 16) > 12) {
178 src_v1 = vec_ld(srcPos + 16, src);
180 src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
183 (vector
signed short)(vec_mergeh((vector
unsigned char)
vzero, src_vF));
185 src_v = vec_mergeh(src_v, (vector
signed short)vzero);
187 filter_v = vec_ld(i << 3, filter);
195 filter_v = vec_mergel(filter_v, (vector
signed short)vzero);
197 filter_v = vec_mergeh(filter_v, (vector
signed short)vzero);
199 val_vEven = vec_mule(src_v, filter_v);
200 val_s = vec_sums(val_vEven, vzero);
201 vec_st(val_s, 0, tempo);
202 dst[i] =
FFMIN(tempo[3]>>7, (1<<15)-1);
209 for (i=0; i<dstW; i++) {
210 register int srcPos = filterPos[i];
212 vector
unsigned char src_v0 = vec_ld(srcPos, src);
213 vector
unsigned char src_v1, src_vF;
214 vector
signed short src_v, filter_v;
215 vector
signed int val_v, val_s;
216 if ((((uintptr_t)src + srcPos) % 16) > 8) {
217 src_v1 = vec_ld(srcPos + 16, src);
219 src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
222 (vector
signed short)(vec_mergeh((vector
unsigned char)
vzero, src_vF));
223 filter_v = vec_ld(i << 4, filter);
226 val_v = vec_msums(src_v, filter_v, (vector
signed int)vzero);
227 val_s = vec_sums(val_v, vzero);
228 vec_st(val_s, 0, tempo);
229 dst[i] =
FFMIN(tempo[3]>>7, (1<<15)-1);
236 for (i=0; i<dstW; i++) {
237 register int srcPos = filterPos[i];
239 vector
unsigned char src_v0 = vec_ld(srcPos, src);
240 vector
unsigned char src_v1 = vec_ld(srcPos + 16, src);
241 vector
unsigned char src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
243 vector
signed short src_vA =
244 (vector
signed short)(vec_mergeh((vector
unsigned char)
vzero, src_vF));
245 vector
signed short src_vB =
246 (vector
signed short)(vec_mergel((vector
unsigned char)
vzero, src_vF));
248 vector
signed short filter_v0 = vec_ld(i << 5, filter);
249 vector
signed short filter_v1 = vec_ld((i << 5) + 16, filter);
252 vector
signed int val_acc = vec_msums(src_vA, filter_v0, (vector
signed int)vzero);
253 vector
signed int val_v = vec_msums(src_vB, filter_v1, val_acc);
255 vector
signed int val_s = vec_sums(val_v, vzero);
257 vec_st(val_s, 0, tempo);
258 dst[i] =
FFMIN(tempo[3]>>7, (1<<15)-1);
265 for (i=0; i<dstW; i++) {
267 register int srcPos = filterPos[i];
269 vector
signed int val_s, val_v = (vector
signed int)
vzero;
270 vector
signed short filter_v0R = vec_ld(i * 2 * filterSize, filter);
271 vector
unsigned char permF = vec_lvsl((i * 2 * filterSize), filter);
273 vector
unsigned char src_v0 = vec_ld(srcPos, src);
274 vector
unsigned char permS = vec_lvsl(srcPos, src);
276 for (j = 0 ; j < filterSize - 15; j += 16) {
277 vector
unsigned char src_v1 = vec_ld(srcPos + j + 16, src);
278 vector
unsigned char src_vF = vec_perm(src_v0, src_v1, permS);
280 vector
signed short src_vA =
281 (vector
signed short)(vec_mergeh((vector
unsigned char)
vzero, src_vF));
282 vector
signed short src_vB =
283 (vector
signed short)(vec_mergel((vector
unsigned char)
vzero, src_vF));
285 vector
signed short filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter);
286 vector
signed short filter_v2R = vec_ld((i * 2 * filterSize) + (j * 2) + 32, filter);
287 vector
signed short filter_v0 = vec_perm(filter_v0R, filter_v1R, permF);
288 vector
signed short filter_v1 = vec_perm(filter_v1R, filter_v2R, permF);
290 vector
signed int val_acc = vec_msums(src_vA, filter_v0, val_v);
291 val_v = vec_msums(src_vB, filter_v1, val_acc);
293 filter_v0R = filter_v2R;
297 if (j < filterSize-7) {
300 vector
unsigned char src_v1, src_vF;
301 vector
signed short src_v, filter_v1R, filter_v;
302 if ((((uintptr_t)src + srcPos) % 16) > 8) {
303 src_v1 = vec_ld(srcPos + j + 16, src);
305 src_vF = vec_perm(src_v0, src_v1, permS);
308 (vector
signed short)(vec_mergeh((vector
unsigned char)
vzero, src_vF));
311 filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter);
312 filter_v = vec_perm(filter_v0R, filter_v1R, permF);
314 val_v = vec_msums(src_v, filter_v, val_v);
317 val_s = vec_sums(val_v,
vzero);
319 vec_st(val_s, 0, tempo);
320 dst[i] =
FFMIN(tempo[3]>>7, (1<<15)-1);