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evas: implement _op_blend_p_c_dp_neon in NEON intrinsics. 

Reviewers: cedric, raster

Projects: #efl

Differential Revision: https://phab.enlightenment.org/D2366

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
This commit is contained in:
Yury Usishchev 2015-04-16 19:25:29 +02:00 committed by Cedric BAIL
parent a0d0c98839
commit be7c7c2c77
1 changed files with 106 additions and 10 deletions
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116
src/lib/evas/common/evas_op_blend/op_blend_pixel_color_neon.c
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@ -1,3 +1,8 @@
#ifdef BUILD_NEON
#ifdef BUILD_NEON_INTRINSICS
#include <arm_neon.h>
#endif
#endif
/* blend pixel x color --> dst */
#ifdef BUILD_NEON
@ -8,16 +13,107 @@
static void
_op_blend_p_c_dp_neon(DATA32 * __restrict s, DATA8 *m EINA_UNUSED, DATA32 c, DATA32 * __restrict d, int l) {
#ifdef BUILD_NEON_INTRINSICS
DATA32 *e;
int alpha;
UNROLL8_PLD_WHILE(d, l, e,
{
DATA32 sc = MUL4_SYM(c, *s);
alpha = 256 - (sc >> 24);
*d = sc + MUL_256(alpha, *d);
d++;
s++;
});
uint16x8_t ad0_16x8;
uint16x8_t ad1_16x8;
uint16x8_t sc0_16x8;
uint16x8_t sc1_16x8;
uint16x8_t x255_16x8;
uint32x2_t c_32x2;
uint32x4_t ad_32x4;
uint32x4_t alpha_32x4;
uint32x4_t cond_32x4;
uint32x4_t d_32x4;
uint32x4_t s_32x4;
uint32x4_t sc_32x4;
uint32x4_t x0_32x4;
uint32x4_t x1_32x4;
uint8x16_t ad_8x16;
uint8x16_t alpha_8x16;
uint8x16_t d_8x16;
uint8x16_t s_8x16;
uint8x16_t sc_8x16;
uint8x16_t x0_8x16;
uint8x16_t x1_8x16;
uint8x8_t ad0_8x8;
uint8x8_t ad1_8x8;
uint8x8_t alpha0_8x8;
uint8x8_t alpha1_8x8;
uint8x8_t c_8x8;
uint8x8_t d0_8x8;
uint8x8_t d1_8x8;
uint8x8_t s0_8x8;
uint8x8_t s1_8x8;
uint8x8_t sc0_8x8;
uint8x8_t sc1_8x8;
c_32x2 = vdup_n_u32(c);
c_8x8 = vreinterpret_u8_u32(c_32x2);
x255_16x8 = vdupq_n_u16(0xff);
x0_8x16 = vdupq_n_u8(0x0);
x0_32x4 = vreinterpretq_u32_u8(x0_8x16);
x1_8x16 = vdupq_n_u8(0x1);
x1_32x4 = vreinterpretq_u32_u8(x1_8x16);
DATA32 *start = d;
int size = l;
DATA32 *end = start + (size & ~3);
while (start < end)
{
s_32x4 = vld1q_u32(s);
s_8x16 = vreinterpretq_u8_u32(s_32x4);
d_32x4 = vld1q_u32(start);
d_8x16 = vreinterpretq_u8_u32(d_32x4);
d0_8x8 = vget_low_u8(d_8x16);
d1_8x8 = vget_high_u8(d_8x16);
s0_8x8 = vget_low_u8(s_8x16);
s1_8x8 = vget_high_u8(s_8x16);
sc0_16x8 = vmull_u8(s0_8x8, c_8x8);
sc1_16x8 = vmull_u8(s1_8x8, c_8x8);
sc0_16x8 = vaddq_u16(sc0_16x8, x255_16x8);
sc1_16x8 = vaddq_u16(sc1_16x8, x255_16x8);
sc0_8x8 = vshrn_n_u16(sc0_16x8, 8);
sc1_8x8 = vshrn_n_u16(sc1_16x8, 8);
sc_8x16 = vcombine_u8(sc0_8x8, sc1_8x8);
alpha_32x4 = vreinterpretq_u32_u8(sc_8x16);
alpha_32x4 = vshrq_n_u32(alpha_32x4, 24);
alpha_32x4 = vmulq_u32(x1_32x4, alpha_32x4);
alpha_8x16 = vreinterpretq_u8_u32(alpha_32x4);
alpha_8x16 = vsubq_u8(x0_8x16, alpha_8x16);
alpha0_8x8 = vget_low_u8(alpha_8x16);
alpha1_8x8 = vget_high_u8(alpha_8x16);
ad0_16x8 = vmull_u8(alpha0_8x8, d0_8x8);
ad1_16x8 = vmull_u8(alpha1_8x8, d1_8x8);
ad0_8x8 = vshrn_n_u16(ad0_16x8,8);
ad1_8x8 = vshrn_n_u16(ad1_16x8,8);
ad_8x16 = vcombine_u8(ad0_8x8, ad1_8x8);
ad_32x4 = vreinterpretq_u32_u8(ad_8x16);
alpha_32x4 = vreinterpretq_u32_u8(alpha_8x16);
cond_32x4 = vceqq_u32(alpha_32x4, x0_32x4);
ad_32x4 = vbslq_u32(cond_32x4, d_32x4 , ad_32x4);
sc_32x4 = vreinterpretq_u32_u8(sc_8x16);
d_32x4 = vaddq_u32(sc_32x4, ad_32x4);
vst1q_u32(start, d_32x4);
s+=4;
start+=4;
}
end += (size & 3);
while (start < end)
{
DATA32 sc = MUL4_SYM(c, *s);
DATA32 alpha = 256 - (sc >> 24);
*start = sc + MUL_256(alpha, *start);
start++;
s++;
}
#else
#define AP "blend_p_c_dp_"
asm volatile (