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/* blend color --> dst */
#ifdef BUILD_NEON
static void
_op_blend_c_dp_neon(DATA32 *s __UNUSED__, DATA8 *m __UNUSED__, DATA32 c, DATA32 *d, int l) {
DATA32 *e, *tmp = 0;
#define AP "B_C_DP"
asm volatile (
".fpu neon \n\t"
"vdup.u32 q6, %[c] \n\t"
"vmov.i8 q5, #1 \n\t"
"vmvn.u8 q7,q6 \n\t"
"vshr.u32 q7, q7, $0x18 \n\t"
"vmul.u32 q7,q5, q7 \n\t"
"bic %[e], #3 \n\t"
"bic %[d], #3 \n\t"
AP "loopchoose: \n\t"
// If aligned already - straight to quads
"andS %[tmp], %[d],$0x1f \n\t"
"beq "AP"quadloops \n\t"
"andS %[tmp], %[d],$0x4 \n\t"
"beq "AP"dualloop \n\t"
// Only ever executes once, fall through to dual
AP "singleloop: \n\t"
// Use 'tmp' not 'd'
"vld1.32 d0[0], [%[d]] \n\t"
// Only touch d1
"vmull.u8 q0, d0, d14 \n\t"
"vqrshrn.u16 d0, q0, #8 \n\t"
"vadd.u8 d0, d12, d0 \n\t"
"vst1.32 d0[0], [%[d]] \n\t"
"add %[d], #4 \n\t"
// Can we go the fast path?
"andS %[tmp], %[d],$0x1f \n\t"
"beq "AP"quadloops \n\t"
AP "dualloop: \n\t"
"sub %[tmp], %[e], %[d] \n\t"
"cmp %[tmp], #32 \n\t"
"blt "AP"loopout \n\t"
AP "dualloopint: \n\t"
"vldr.32 d0, [%[d]] \n\t"
"vmull.u8 q1, d0, d14 \n\t"
"vqrshrn.u16 d0, q1, #8 \n\t"
"vqadd.u8 d0, d0, d12 \n\t"
"vstm %[d]!, {d0} \n\t"
"ands %[tmp], %[d], $0x1f \n\t"
"bne "AP"dualloopint \n\t"
AP "quadloops: \n\t"
"sub %[tmp], %[e], %[d] \n\t"
"cmp %[tmp], #32 \n\t"
"blt "AP"loopout \n\t"
"sub %[tmp],%[e],#31 \n\t"
AP "quadloopint:\n\t"
"vldm %[d], {d0,d1,d2,d3} \n\t"
"vmull.u8 q2, d0, d14 \n\t"
"vmull.u8 q3, d1, d15 \n\t"
"vmull.u8 q4, d2, d14 \n\t"
"vmull.u8 q5, d3, d15 \n\t"
"vqrshrn.u16 d0, q2, #8 \n\t"
"vqrshrn.u16 d1, q3, #8 \n\t"
"vqrshrn.u16 d2, q4, #8 \n\t"
"vqrshrn.u16 d3, q5, #8 \n\t"
"vqadd.u8 q0, q6, q0 \n\t"
"vqadd.u8 q1, q6, q1 \n\t"
"vstm %[d]!, {d0,d1,d2,d3} \n\t"
"cmp %[tmp], %[d]\n\t"
"bhi "AP"quadloopint\n\t"
AP "loopout: \n\t"
"cmp %[d], %[e]\n\t"
"beq "AP"done\n\t"
"sub %[tmp],%[e], %[d] \n\t"
"cmp %[tmp],#8 \n\t"
"blt "AP"singleloop2 \n\t"
AP "dualloop2: \n\t"
"sub %[tmp],%[e],$0x7 \n\t"
AP "dualloop2int: \n\t"
"vldr.64 d0, [%[d]] \n\t"
"vmull.u8 q1, d0, d14 \n\t"
"vqrshrn.u16 d0, q1, #8 \n\t"
"vqadd.u8 d0, d0, d12 \n\t"
"vstr.64 d0, [%[d]] \n\t"
"add %[d], #8 \n\t"
"cmp %[tmp], %[d] \n\t"
"bhi "AP"dualloop2int \n\t"
// Single ??
"cmp %[e], %[d] \n\t"
"beq "AP"done \n\t"
AP "singleloop2: \n\t"
"vld1.32 d0[0], [%[d]] \n\t"
"vmull.u8 q1, d0, d14 \n\t"
"vqrshrn.u16 d0, q1, #8 \n\t"
"vqadd.u8 d0, d0, d12 \n\t"
"vst1.32 d0[0], [%[d]] \n\t"
AP "done:\n\t"
: // output regs
// Input
: [e] "r" (e = d + l), [d] "r" (d), [c] "r" (c), [tmp] "r" (tmp)
: "q0", "q1", "q2","q3", "q4","q5","q6", "q7","memory" // clobbered
);
#undef AP
}
#define _op_blend_caa_dp_neon _op_blend_c_dp_neon
#define _op_blend_c_dpan_neon _op_blend_c_dp_neon
#define _op_blend_caa_dpan_neon _op_blend_c_dpan_neon
static void
init_blend_color_span_funcs_neon(void)
{
op_blend_span_funcs[SP_N][SM_N][SC][DP][CPU_NEON] = _op_blend_c_dp_neon;
op_blend_span_funcs[SP_N][SM_N][SC_AA][DP][CPU_NEON] = _op_blend_caa_dp_neon;
op_blend_span_funcs[SP_N][SM_N][SC][DP_AN][CPU_NEON] = _op_blend_c_dpan_neon;
op_blend_span_funcs[SP_N][SM_N][SC_AA][DP_AN][CPU_NEON] = _op_blend_caa_dpan_neon;
}
#endif
#ifdef BUILD_NEON
static void
_op_blend_pt_c_dp_neon(DATA32 s __UNUSED__, DATA8 m __UNUSED__, DATA32 c, DATA32 *d) {
s = 256 - (c >> 24);
*d = c + MUL_256(s, *d);
}
#define _op_blend_pt_caa_dp_neon _op_blend_pt_c_dp_neon
#define _op_blend_pt_c_dpan_neon _op_blend_pt_c_dp_neon
#define _op_blend_pt_caa_dpan_neon _op_blend_pt_c_dpan_neon
static void
init_blend_color_pt_funcs_neon(void)
{
op_blend_pt_funcs[SP_N][SM_N][SC][DP][CPU_NEON] = _op_blend_pt_c_dp_neon;
op_blend_pt_funcs[SP_N][SM_N][SC_AA][DP][CPU_NEON] = _op_blend_pt_caa_dp_neon;
op_blend_pt_funcs[SP_N][SM_N][SC][DP_AN][CPU_NEON] = _op_blend_pt_c_dpan_neon;
op_blend_pt_funcs[SP_N][SM_N][SC_AA][DP_AN][CPU_NEON] = _op_blend_pt_caa_dpan_neon;
}
#endif
/*-----*/
/* blend_rel color -> dst */
#ifdef BUILD_NEON
static void
_op_blend_rel_c_dp_neon(DATA32 *s __UNUSED__, DATA8 *m __UNUSED__, DATA32 c, DATA32 *d, int l) {
DATA32 *e;
int alpha = 256 - (c >> 24);
UNROLL8_PLD_WHILE(d, l, e,
{
*d = MUL_SYM(*d >> 24, c) + MUL_256(alpha, *d);
d++;
});
}
#define _op_blend_rel_caa_dp_neon _op_blend_rel_c_dp_neon
#define _op_blend_rel_c_dpan_neon _op_blend_c_dpan_neon
#define _op_blend_rel_caa_dpan_neon _op_blend_caa_dpan_neon
static void
init_blend_rel_color_span_funcs_neon(void)
{
op_blend_rel_span_funcs[SP_N][SM_N][SC][DP][CPU_NEON] = _op_blend_rel_c_dp_neon;
op_blend_rel_span_funcs[SP_N][SM_N][SC_AA][DP][CPU_NEON] = _op_blend_rel_caa_dp_neon;
op_blend_rel_span_funcs[SP_N][SM_N][SC][DP_AN][CPU_NEON] = _op_blend_rel_c_dpan_neon;
op_blend_rel_span_funcs[SP_N][SM_N][SC_AA][DP_AN][CPU_NEON] = _op_blend_rel_caa_dpan_neon;
}
#endif
#ifdef BUILD_NEON
static void
_op_blend_rel_pt_c_dp_neon(DATA32 s __UNUSED__, DATA8 m __UNUSED__, DATA32 c, DATA32 *d) {
s = *d >> 24;
*d = MUL_SYM(s, c) + MUL_256(256 - (c >> 24), *d);
}
#define _op_blend_rel_pt_caa_dp_neon _op_blend_rel_pt_c_dp_neon
#define _op_blend_rel_pt_c_dpan_neon _op_blend_pt_c_dpan_neon
#define _op_blend_rel_pt_caa_dpan_neon _op_blend_pt_caa_dpan_neon
static void
init_blend_rel_color_pt_funcs_neon(void)
{
op_blend_rel_pt_funcs[SP_N][SM_N][SC][DP][CPU_NEON] = _op_blend_rel_pt_c_dp_neon;
op_blend_rel_pt_funcs[SP_N][SM_N][SC_AA][DP][CPU_NEON] = _op_blend_rel_pt_caa_dp_neon;
op_blend_rel_pt_funcs[SP_N][SM_N][SC][DP_AN][CPU_NEON] = _op_blend_rel_pt_c_dpan_neon;
op_blend_rel_pt_funcs[SP_N][SM_N][SC_AA][DP_AN][CPU_NEON] = _op_blend_rel_pt_caa_dpan_neon;
}
#endif
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