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|
{
int srx = src_region_x, sry = src_region_y;
int srw = src_region_w, srh = src_region_h;
int drx = dst_region_x, dry = dst_region_y;
int drw = dst_region_w, drh = dst_region_h;
int dsxx, dsyy, sxx, syy, sx, sy;
int cx, cy;
int direct_scale = 0, buf_step = 0;
DATA32 *psrc, *pdst, *pdst_end;
DATA32 *buf, *pbuf, *pbuf_end;
DATA8 *mask;
RGBA_Gfx_Func func = NULL, func2 = NULL;
/* check value to make overflow(only check value related with overflow) */
if ((src_region_w > SCALE_SIZE_MAX) ||
(src_region_h > SCALE_SIZE_MAX)) return;
/* a scanline buffer */
pdst = dst_ptr; // it's been set at (dst_clip_x, dst_clip_y)
pdst_end = pdst + (dst_clip_h * dst_w);
if (mul_col == 0xffffffff && !mask_ie)
{
if ((render_op == _EVAS_RENDER_BLEND) && !src->cache_entry.flags.alpha)
{ direct_scale = 1; buf_step = dst->cache_entry.w; }
else if (render_op == _EVAS_RENDER_COPY)
{
direct_scale = 1; buf_step = dst->cache_entry.w;
if (src->cache_entry.flags.alpha)
dst->cache_entry.flags.alpha = 1;
}
}
if (!direct_scale)
{
buf = alloca(dst_clip_w * sizeof(DATA32));
if (!mask_ie)
{
if (mul_col != 0xffffffff)
func = evas_common_gfx_func_composite_pixel_color_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, mul_col, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
else
func = evas_common_gfx_func_composite_pixel_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
}
else
{
if (mul_col != 0xffffffff)
{
func = evas_common_gfx_func_composite_pixel_mask_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
func2 = evas_common_gfx_func_composite_pixel_color_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, mul_col, dst->cache_entry.flags.alpha, dst_clip_w, EVAS_RENDER_COPY);
}
else
func = evas_common_gfx_func_composite_pixel_mask_span_get(src->cache_entry.flags.alpha, src->cache_entry.flags.alpha_sparse, dst->cache_entry.flags.alpha, dst_clip_w, render_op);
}
}
else
buf = pdst;
if ((srw > 1) && (drw > 1))
dsxx = ((srw - 1) << 16) / (drw - 1);
else
dsxx = (srw << 16) / drw;
if ((srh > 1) && (drh > 1))
dsyy = ((srh - 1) << 16) / (drh - 1);
else
dsyy = (srh << 16) / drh;
cx = dst_clip_x - drx;
cy = dst_clip_y - dry;
sxx = (dsxx * cx);
syy = (dsyy * cy);
sy = syy >> 16;
if (drh == srh)
{
int sxx0 = sxx;
int y = 0;
psrc = src->image.data + (src_w * (sry + cy)) + srx;
while (pdst < pdst_end)
{
pbuf = buf; pbuf_end = buf + dst_clip_w;
sxx = sxx0;
#ifdef SCALE_USING_MMX
pxor_r2r(mm0, mm0);
MOV_A2R(ALPHA_255, mm5)
#endif
while (pbuf < pbuf_end)
{
DATA32 p0, p1;
int ax;
sx = (sxx >> 16);
ax = 1 + ((sxx - (sx << 16)) >> 8);
p0 = p1 = *(psrc + sx);
if ((sx + 1) < srw)
p1 = *(psrc + sx + 1);
#ifdef SCALE_USING_MMX
MOV_P2R(p0, mm1, mm0)
if (p0 | p1)
{
MOV_A2R(ax, mm3)
MOV_P2R(p1, mm2, mm0)
INTERP_256_R2R(mm3, mm2, mm1, mm5)
}
MOV_R2P(mm1, *pbuf, mm0)
pbuf++;
#else
if (p0 | p1)
p0 = INTERP_256(ax, p1, p0);
*pbuf++ = p0;
#endif
sxx += dsxx;
}
/* * blend here [clip_w *] buf -> dptr * */
if (!direct_scale)
{
if (!mask_ie)
func(buf, NULL, mul_col, pdst, dst_clip_w);
else
{
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (mul_col != 0xffffffff) func2(buf, NULL, mul_col, buf, dst_clip_w);
func(buf, mask, 0, pdst, dst_clip_w);
}
y++;
}
pdst += dst_w;
psrc += src_w;
buf += buf_step;
}
goto done_scale_up;
}
else if (drw == srw)
{
DATA32 *ps = src->image.data + (src_w * sry) + srx + cx;
int y = 0;
while (pdst < pdst_end)
{
int ay;
sy = syy >> 16;
psrc = ps + (sy * src_w);
ay = 1 + ((syy - (sy << 16)) >> 8);
#ifdef SCALE_USING_MMX
pxor_r2r(mm0, mm0);
MOV_A2R(ALPHA_255, mm5)
MOV_A2R(ay, mm4)
#endif
pbuf = buf; pbuf_end = buf + dst_clip_w;
while (pbuf < pbuf_end)
{
DATA32 p0 = *psrc, p2 = p0;
if ((sy + 1) < srh)
p2 = *(psrc + src_w);
#ifdef SCALE_USING_MMX
MOV_P2R(p0, mm1, mm0)
if (p0 | p2)
{
MOV_P2R(p2, mm2, mm0)
INTERP_256_R2R(mm4, mm2, mm1, mm5)
}
MOV_R2P(mm1, *pbuf, mm0)
pbuf++;
#else
if (p0 | p2)
p0 = INTERP_256(ay, p2, p0);
*pbuf++ = p0;
#endif
psrc++;
}
/* * blend here [clip_w *] buf -> dptr * */
if (!direct_scale)
{
if (!mask_ie)
func(buf, NULL, mul_col, pdst, dst_clip_w);
else
{
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (mul_col != 0xffffffff) func2(buf, NULL, mul_col, buf, dst_clip_w);
func(buf, mask, 0, pdst, dst_clip_w);
}
y++;
}
pdst += dst_w;
syy += dsyy;
buf += buf_step;
}
goto done_scale_up;
}
{
DATA32 *ps = src->image.data + (src_w * sry) + srx;
int sxx0 = sxx;
int y = 0;
while (pdst < pdst_end)
{
int ay;
sy = syy >> 16;
psrc = ps + (sy * src_w);
ay = 1 + ((syy - (sy << 16)) >> 8);
#ifdef SCALE_USING_MMX
MOV_A2R(ay, mm4)
pxor_r2r(mm0, mm0);
MOV_A2R(ALPHA_255, mm5)
#elif defined SCALE_USING_NEON
uint16x8_t vay = vdupq_n_u16(ay);
#endif
pbuf = buf; pbuf_end = buf + dst_clip_w;
sxx = sxx0;
#ifdef SCALE_USING_NEON
while (pbuf+1 < pbuf_end) // 2 iterations only for NEON
#else
while (pbuf < pbuf_end)
#endif
{
int ax;
DATA32 *p, *q;
#ifdef SCALE_USING_NEON
int ax1;
DATA32 *p1, *q1;
uint32x2x2_t vp0, vp1;
uint16x8_t vax;
uint16x8_t vax1;
DATA32 pa[2][4];
#else
DATA32 p0, p1, p2, p3;
#endif
sx = sxx >> 16;
ax = 1 + ((sxx - (sx << 16)) >> 8);
p = psrc + sx; q = p + src_w;
#ifdef SCALE_USING_NEON
pa[0][0] = pa[0][1] = pa[0][2] = pa[0][3] = *p;
if ((sx + 1) < srw)
pa[0][1] = *(p + 1);
if ((sy + 1) < srh)
{
pa[0][2] = *q; pa[0][3] = pa[0][2];
if ((sx + 1) < srw)
pa[0][3] = *(q + 1);
}
vax = vdupq_n_u16(ax);
vp0.val[0] = vld1_u32(&pa[0][0]);
vp0.val[1] = vld1_u32(&pa[0][2]);
sxx += dsxx;
sx = sxx >> 16;
ax1 = 1 + ((sxx - (sx << 16)) >> 8);
p1 = psrc + sx; q1 = p1 + src_w;
pa[1][0] = pa[1][1] = pa[1][2] = pa[1][3] = *p1;
if ((sx + 1) < srw)
pa[1][1] = *(p1 + 1);
if ((sy + 1) < srh)
{
pa[1][2] = *q1; pa[1][3] = pa[1][2];
if ((sx + 1) < srw)
pa[1][3] = *(q1 + 1);
}
vax1 = vdupq_n_u16(ax1);
vp1.val[0] = vld1_u32(&pa[1][0]);
vp1.val[1] = vld1_u32(&pa[1][2]);
#else
p0 = p1 = p2 = p3 = *p;
if ((sx + 1) < srw)
p1 = *(p + 1);
if ((sy + 1) < srh)
{
p2 = *q; p3 = p2;
if ((sx + 1) < srw)
p3 = *(q + 1);
}
#endif
#ifdef SCALE_USING_MMX
MOV_A2R(ax, mm6)
MOV_P2R(p0, mm1, mm0)
if (p0 | p1)
{
MOV_P2R(p1, mm2, mm0)
INTERP_256_R2R(mm6, mm2, mm1, mm5)
}
MOV_P2R(p2, mm2, mm0)
if (p2 | p3)
{
MOV_P2R(p3, mm3, mm0)
INTERP_256_R2R(mm6, mm3, mm2, mm5)
}
INTERP_256_R2R(mm4, mm2, mm1, mm5)
MOV_R2P(mm1, *pbuf, mm0)
pbuf++;
#elif defined SCALE_USING_NEON
// (p0, p1), (p2, p3) ==> (p0, p2), (p1, p3)
vp0 = vzip_u32(vp0.val[0], vp0.val[1]);
// (p1 - p0, p3 - p2)
uint16x8_t vtmpq = vsubl_u8(vreinterpret_u8_u32(vp0.val[1]), vreinterpret_u8_u32(vp0.val[0]));
// p0 + (p1 - p0)*ax, p2 + (p3 - p2)*ax
vp0.val[0] = vreinterpret_u32_u8(vadd_u8(vreinterpret_u8_u32(vp0.val[0]), vshrn_n_u16(vmulq_u16(vtmpq, vax), 8)));
vp1 = vzip_u32(vp1.val[0], vp1.val[1]);
vtmpq = vsubl_u8(vreinterpret_u8_u32(vp1.val[1]), vreinterpret_u8_u32(vp1.val[0]));
vp1.val[0] = vreinterpret_u32_u8(vadd_u8(vreinterpret_u8_u32(vp1.val[0]), vshrn_n_u16(vmulq_u16(vtmpq, vax1), 8)));
// (p0, p2), (p4, p6) ==> (p0, p4), (p2, p6)
vp0 = vzip_u32(vp0.val[0], vp1.val[0]);
// (p2 - p0), (p6 - p4)
vtmpq = vsubl_u8(vreinterpret_u8_u32(vp0.val[1]), vreinterpret_u8_u32(vp0.val[0]));
// p0 + (p2 - p0)*ay, p4 + (p6 - p4)*ay
vp0.val[0] = vreinterpret_u32_u8(vadd_u8(vreinterpret_u8_u32(vp0.val[0]), vshrn_n_u16(vmulq_u16(vtmpq, vay), 8)));
vst1_u32(pbuf, vp0.val[0]);
pbuf += 2;
#else
if (p0 | p1)
p0 = INTERP_256(ax, p1, p0);
if (p2 | p3)
p2 = INTERP_256(ax, p3, p2);
if (p0 | p2)
p0 = INTERP_256(ay, p2, p0);
*pbuf++ = p0;
#endif
sxx += dsxx;
}
#if defined SCALE_USING_NEON
if (pbuf < pbuf_end) // For non-even length case
{
int ax;
DATA32 *p, *q;
DATA32 p0, p1, p2, p3;
sx = sxx >> 16;
ax = 1 + ((sxx - (sx << 16)) >> 8);
p = psrc + sx; q = p + src_w;
p0 = p1 = p2 = p3 = *p;
if ((sx + 1) < srw)
p1 = *(p + 1);
if ((sy + 1) < srh)
{
p2 = *q; p3 = p2;
if ((sx + 1) < srw)
p3 = *(q + 1);
}
if (p0 | p1)
p0 = INTERP_256(ax, p1, p0);
if (p2 | p3)
p2 = INTERP_256(ax, p3, p2);
if (p0 | p2)
p0 = INTERP_256(ay, p2, p0);
*pbuf++ = p0;
sxx += dsxx;
}
#endif
/* * blend here [clip_w *] buf -> dptr * */
if (!direct_scale)
{
if (!mask_ie)
func(buf, NULL, mul_col, pdst, dst_clip_w);
else
{
mask = mask_ie->image.data8
+ ((dst_clip_y - mask_y + y) * mask_ie->cache_entry.w)
+ (dst_clip_x - mask_x);
if (mul_col != 0xffffffff) func2(buf, NULL, mul_col, buf, dst_clip_w);
func(buf, mask, 0, pdst, dst_clip_w);
}
y++;
}
pdst += dst_w;
syy += dsyy;
buf += buf_step;
}
}
done_scale_up:
return;
}
|
