Altivec code for YUV conversion to ARGB. This option cannot be enabled yet, I
need to verify the autofoo on Linux. SVN revision: 8099
This commit is contained in:
rbdpngn
rbdpngn
parent
7f77993d73
commit
1f175f4660
|
|
@ -6,10 +6,11 @@
|
|||
|
||||
#ifdef BUILD_CONVERT_YUV
|
||||
|
||||
static void _evas_yuv_init (void);
|
||||
static void _evas_yv12torgb_mmx (unsigned char **yuv, unsigned char *rgb, int w, int h);
|
||||
static void _evas_yv12torgb_raster(unsigned char **yuv, unsigned char *rgb, int w, int h);
|
||||
static void _evas_yv12torgb_diz (unsigned char **yuv, unsigned char *rgb, int w, int h);
|
||||
static void _evas_yuv_init (void);
|
||||
static void _evas_yv12torgb_mmx (unsigned char **yuv, unsigned char *rgb, int w, int h);
|
||||
static void _evas_yv12torgb_altivec(unsigned char **yuv, unsigned char *rgb, int w, int h);
|
||||
static void _evas_yv12torgb_raster (unsigned char **yuv, unsigned char *rgb, int w, int h);
|
||||
static void _evas_yv12torgb_diz (unsigned char **yuv, unsigned char *rgb, int w, int h);
|
||||
|
||||
#define CRV 104595
|
||||
#define CBU 132251
|
||||
|
|
@ -58,6 +59,42 @@ const int _cgv = RZ(CGV); /* 0.813 */
|
|||
|
||||
#endif
|
||||
|
||||
#ifdef BUILD_ALTIVEC
|
||||
#ifdef __VEC__
|
||||
const vector unsigned short res = (vector unsigned short)(RES);
|
||||
const vector signed short crv = (vector signed short)(RZ(CRV));
|
||||
const vector signed short cbu = (vector signed short)(RZ(CBU));
|
||||
const vector signed short cgu = (vector signed short)(RZ(CGU));
|
||||
const vector signed short cgv = (vector signed short)(RZ(CGV));
|
||||
const vector signed short ymul = (vector signed short)(RZ(YMUL));
|
||||
const vector signed short c128 = (vector signed short)(128);
|
||||
const vector signed short c32 = (vector signed short)(RZ(OFF));
|
||||
const vector signed short c16 = (vector signed short)(16);
|
||||
const vector unsigned char zero = (vector unsigned char)(0);
|
||||
const vector signed short maxchar = (vector signed short)(255);
|
||||
const vector unsigned char pickrg1 = (vector unsigned char)
|
||||
(0, 0x1, 0x11, 0,
|
||||
0, 0x3, 0x13, 0,
|
||||
0, 0x5, 0x15, 0,
|
||||
0, 0x7, 0x17, 0);
|
||||
const vector unsigned char pickrg2 = (vector unsigned char)
|
||||
(0, 0x9, 0x19, 0,
|
||||
0, 0xb, 0x1b, 0,
|
||||
0, 0xd, 0x1d, 0,
|
||||
0, 0xf, 0x1f, 0);
|
||||
const vector unsigned char pickrgb1 = (vector unsigned char)
|
||||
(0x3, 0x1, 0x2, 0x11,
|
||||
0x7, 0x5, 0x6, 0x13,
|
||||
0xb, 0x9, 0xa, 0x15,
|
||||
0xf, 0xd, 0xe, 0x17);
|
||||
const vector unsigned char pickrgb2 = (vector unsigned char)
|
||||
(0x3, 0x1, 0x2, 0x19,
|
||||
0x7, 0x5, 0x6, 0x1b,
|
||||
0xb, 0x9, 0xa, 0x1d,
|
||||
0xf, 0xd, 0xe, 0x1f);
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef BUILD_C
|
||||
|
||||
/* shortcut speedup lookup-tables */
|
||||
|
|
@ -83,7 +120,12 @@ evas_common_convert_yuv_420p_601_rgba(DATA8 **src, DATA8 *dst, int w, int h)
|
|||
evas_common_cpu_can_do(&mmx, &sse, &sse2);
|
||||
if (mmx) _evas_yv12torgb_mmx(src, dst, w, h);
|
||||
else
|
||||
#endif
|
||||
#endif
|
||||
#ifdef BUILD_ALTIVEC
|
||||
if (evas_common_cpu_has_feature(CPU_FEATURE_ALTIVEC))
|
||||
_evas_yv12torgb_altivec(src, dst, w, h);
|
||||
else
|
||||
#endif
|
||||
{
|
||||
#ifdef BUILD_C
|
||||
static int initted = 0;
|
||||
|
|
@ -288,6 +330,224 @@ _evas_yv12torgb_mmx(unsigned char **yuv, unsigned char *rgb, int w, int h)
|
|||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
_evas_yv12torgb_altivec(unsigned char **yuv, unsigned char *rgb, int w, int h)
|
||||
{
|
||||
#ifdef BUILD_ALTIVEC
|
||||
#ifdef __VEC__
|
||||
int xx, yy;
|
||||
int w2, h2;
|
||||
unsigned char *yp1, *yp2, *up, *vp;
|
||||
unsigned char *dp1, *dp2;
|
||||
vector signed short y, u, v;
|
||||
vector signed short r, g, b;
|
||||
vector signed short tmp1, tmp2, tmp3;
|
||||
vector unsigned char yperm, uperm, vperm, rgb1, rgb2;
|
||||
vector unsigned char alpha;
|
||||
|
||||
/* handy halved w & h */
|
||||
w2 = w / 2;
|
||||
h2 = h / 2;
|
||||
/* plane pointers */
|
||||
yp1 = yuv;
|
||||
yp2 = yuv + w;
|
||||
up = yuv + (w * h);
|
||||
vp = up + (w2 * h2);
|
||||
/* destination pointers */
|
||||
dp1 = rgb;
|
||||
dp2 = rgb + (w * 4);
|
||||
|
||||
alpha = vec_mergeh((vector unsigned char)(255), zero);
|
||||
alpha = (vector unsigned char)vec_mergeh((vector unsigned short)alpha,
|
||||
(vector unsigned short)zero);
|
||||
|
||||
for (yy = 0; yy < h2; yy++)
|
||||
{
|
||||
for (xx = 0; xx < w2; xx += 4)
|
||||
{
|
||||
/* Cycles */
|
||||
/*
|
||||
* Load 4 y and 4 u & v pixels for the 8x2 pixel block.
|
||||
*/
|
||||
/* 3 */ tmp3 = (vector signed short)vec_lde(0, (unsigned int *)yp1);
|
||||
/* 3 */ tmp1 = (vector signed short)vec_lde(0, (unsigned int *)up);
|
||||
/* 3 */ tmp2 = (vector signed short)vec_lde(0, (unsigned int *)vp);
|
||||
|
||||
/* Prepare for aligning the data in their vectors */
|
||||
/* 3 */ yperm = vec_lvsl(0, yp1);
|
||||
/* 3 */ uperm = vec_lvsl(0, up);
|
||||
/* 3 */ vperm = vec_lvsl(0, vp);
|
||||
yp1 += 4;
|
||||
|
||||
/* Save y and load the next 4 y pixels for a total of 8 */
|
||||
/* 2 */ y = vec_perm(tmp3, tmp3, yperm);
|
||||
/* 3 */ tmp3 = (vector signed short)vec_lde(0, (unsigned int *)yp1);
|
||||
|
||||
/* Setup and calculate the 4 u pixels */
|
||||
/* 2 */ tmp1 = vec_perm(tmp1, tmp1, uperm);
|
||||
/* 2 */ tmp2 = vec_perm(tmp2, tmp2, vperm);
|
||||
|
||||
/* Avoid dependancy stalls on yperm and calculate the 4 u values */
|
||||
/* 3 */ yperm = vec_lvsr(12, yp1);
|
||||
/* 1 */ tmp1 = (vector signed short)vec_mergeh((vector unsigned char)tmp1,
|
||||
(vector unsigned char)tmp1);
|
||||
/* 1 */ u = (vector signed short)vec_mergeh(zero,
|
||||
(vector unsigned char)tmp1);
|
||||
|
||||
/* 1 */ u = vec_sub(u, c128);
|
||||
/* 2 */ tmp3 = vec_perm(tmp3, tmp3, yperm);
|
||||
|
||||
/* Setup and calculate the 4 v values */
|
||||
/* 1 */ tmp2 = (vector signed short)vec_mergeh((vector unsigned char)tmp2,
|
||||
(vector unsigned char)tmp2);
|
||||
/* 1 */ v = (vector signed short)vec_mergeh(zero,
|
||||
(vector unsigned char)tmp2);
|
||||
/* 4 */ tmp2 = vec_mladd(cgu, u, (vector signed short)zero);
|
||||
/* 1 */ v = vec_sub(v, c128);
|
||||
|
||||
/* Move the data into y and start loading the next 4 pixels */
|
||||
/* 1 */ y = (vector signed short)vec_mergeh(zero,
|
||||
(vector unsigned char)y);
|
||||
/* 1 */ tmp3 = (vector signed short)vec_mergeh(zero,
|
||||
(vector unsigned char)tmp3);
|
||||
/* 1 */ y = vec_or(y, tmp3);
|
||||
|
||||
/* Finish calculating y */
|
||||
/* 1 */ y = vec_sub(y, c16);
|
||||
/* 4 */ y = vec_mladd(ymul, y, (vector signed short)zero);
|
||||
|
||||
/* Perform non-dependant multiplies first. */
|
||||
/* 4 */ tmp1 = vec_mladd(crv, v, y);
|
||||
/* 4 */ tmp2 = vec_mladd(cgv, v, tmp2);
|
||||
/* 4 */ tmp3 = vec_mladd(cbu, u, y);
|
||||
|
||||
/* Calculate rgb values */
|
||||
/* 1 */ r = vec_sra(tmp1, res);
|
||||
|
||||
/* 1 */ tmp2 = vec_sub(y, tmp2);
|
||||
/* 1 */ tmp2 = vec_add(tmp2, c32);
|
||||
/* 1 */ g = vec_sra(tmp2, res);
|
||||
|
||||
/* 1 */ tmp3 = vec_add(tmp3, c32);
|
||||
/* 1 */ b = vec_sra(tmp3, res);
|
||||
|
||||
/* Bound to 0 <= x <= 255 */
|
||||
/* 1 */ r = vec_min(r, maxchar);
|
||||
/* 1 */ g = vec_min(g, maxchar);
|
||||
/* 1 */ b = vec_min(b, maxchar);
|
||||
/* 1 */ r = vec_max(r, (vector signed short)zero);
|
||||
/* 1 */ g = vec_max(g, (vector signed short)zero);
|
||||
/* 1 */ b = vec_max(b, (vector signed short)zero);
|
||||
|
||||
/* Combine r, g and b. */
|
||||
/* 2 */ rgb1 = vec_perm((vector unsigned char)r, (vector unsigned char)g,
|
||||
pickrg1);
|
||||
/* 2 */ rgb2 = vec_perm((vector unsigned char)r, (vector unsigned char)g,
|
||||
pickrg2);
|
||||
|
||||
/* 2 */ rgb1 = vec_perm(rgb1, (vector unsigned char)b, pickrgb1);
|
||||
/* 2 */ rgb2 = vec_perm(rgb2, (vector unsigned char)b, pickrgb2);
|
||||
|
||||
/* 1 */ rgb1 = vec_or(alpha, rgb1);
|
||||
/* 1 */ rgb2 = vec_or(alpha, rgb2);
|
||||
|
||||
/* 3 */ vec_stl(rgb1, 0, dp1);
|
||||
dp1 += 16;
|
||||
/* 3 */ vec_stl(rgb2, 0, dp1);
|
||||
|
||||
/*
|
||||
* Begin the second row calculations
|
||||
*/
|
||||
|
||||
/*
|
||||
* Load 4 y pixels for the 8x2 pixel block.
|
||||
*/
|
||||
/* 3 */ yperm = vec_lvsl(0, yp2);
|
||||
/* 3 */ tmp3 = (vector signed short)vec_lde(0, (unsigned int *)yp2);
|
||||
yp2 += 4;
|
||||
|
||||
/* Save y and load the next 4 y pixels for a total of 8 */
|
||||
/* 2 */ y = vec_perm(tmp3, tmp3, yperm);
|
||||
/* 3 */ yperm = vec_lvsr(12, yp2);
|
||||
/* 3 */ tmp3 = (vector signed short)vec_lde(0, (unsigned int *)yp2);
|
||||
/* 1 */ y = (vector signed short)vec_mergeh(zero,
|
||||
(vector unsigned char)y);
|
||||
|
||||
/* Avoid dependancy stalls on yperm */
|
||||
/* 2 */ tmp3 = vec_perm(tmp3, tmp3, yperm);
|
||||
/* 1 */ tmp3 = (vector signed short)vec_mergeh(zero,
|
||||
(vector unsigned char)tmp3);
|
||||
/* 1 */ y = vec_or(y, tmp3);
|
||||
|
||||
/* Start the calculation for g */
|
||||
/* 4 */ tmp2 = vec_mladd(cgu, u, (vector signed short)zero);
|
||||
|
||||
/* Finish calculating y */
|
||||
/* 1 */ y = vec_sub(y, c16);
|
||||
/* 4 */ y = vec_mladd(ymul, y, (vector signed short)zero);
|
||||
|
||||
/* Perform non-dependant multiplies first. */
|
||||
/* 4 */ tmp2 = vec_mladd(cgv, v, tmp2);
|
||||
/* 4 */ tmp1 = vec_mladd(crv, v, y);
|
||||
/* 4 */ tmp3 = vec_mladd(cbu, u, y);
|
||||
|
||||
/* Calculate rgb values */
|
||||
/* 1 */ r = vec_sra(tmp1, res);
|
||||
|
||||
/* 1 */ tmp2 = vec_sub(y, tmp2);
|
||||
/* 1 */ tmp2 = vec_add(tmp2, c32);
|
||||
/* 1 */ g = vec_sra(tmp2, res);
|
||||
|
||||
/* 1 */ tmp3 = vec_add(tmp3, c32);
|
||||
/* 1 */ b = vec_sra(tmp3, res);
|
||||
|
||||
/* Bound to 0 <= x <= 255 */
|
||||
/* 1 */ r = vec_min(r, maxchar);
|
||||
/* 1 */ g = vec_min(g, maxchar);
|
||||
/* 1 */ b = vec_min(b, maxchar);
|
||||
/* 1 */ r = vec_max(r, (vector signed short)zero);
|
||||
/* 1 */ g = vec_max(g, (vector signed short)zero);
|
||||
/* 1 */ b = vec_max(b, (vector signed short)zero);
|
||||
|
||||
/* Combine r, g and b. */
|
||||
/* 2 */ rgb1 = vec_perm((vector unsigned char)r, (vector unsigned char)g,
|
||||
pickrg1);
|
||||
/* 2 */ rgb2 = vec_perm((vector unsigned char)r, (vector unsigned char)g,
|
||||
pickrg2);
|
||||
|
||||
/* 2 */ rgb1 = vec_perm(rgb1, (vector unsigned char)b, pickrgb1);
|
||||
/* 2 */ rgb2 = vec_perm(rgb2, (vector unsigned char)b, pickrgb2);
|
||||
|
||||
/* 1 */ rgb1 = vec_or(alpha, rgb1);
|
||||
/* 1 */ rgb2 = vec_or(alpha, rgb2);
|
||||
|
||||
/* 3 */ vec_stl(rgb1, 0, dp2);
|
||||
dp2 += 16;
|
||||
/* 3 */ vec_stl(rgb2, 0, dp2);
|
||||
|
||||
/* Increment the YUV data pointers to the next set of pixels. */
|
||||
yp1 += 4;
|
||||
yp2 += 4;
|
||||
up += 4;
|
||||
vp += 4;
|
||||
|
||||
/* Move the destination pointers to the next set of pixels. */
|
||||
dp1 += 16;
|
||||
dp2 += 16;
|
||||
}
|
||||
|
||||
/* jump down one line since we are doing 2 at once */
|
||||
yp1 += w;
|
||||
yp2 += w;
|
||||
dp1 += (w * 4);
|
||||
dp2 += (w * 4);
|
||||
}
|
||||
#endif
|
||||
#else
|
||||
_evas_yv12torgb_diz(yuv, rgb, w, h);
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
_evas_yuv_init(void)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue