/* Copyright 2009 Motorola * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "SkBitmapProcState.h" #include "SkBitmapProcState_utils.h" #include "SkShader.h" #include "SkTo.h" #include "SkUtilsArm.h" #include extern const SkBitmapProcState::MatrixProc ClampX_ClampY_Procs_neon[]; extern const SkBitmapProcState::MatrixProc RepeatX_RepeatY_Procs_neon[]; static void decal_nofilter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count); static void decal_filter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count); // TILEX_PROCF(fx, max) SkClampMax((fx) >> 16, max) static inline int16x8_t sbpsm_clamp_tile8(int32x4_t low, int32x4_t high, unsigned max) { int16x8_t res; // get the hi 16s of all those 32s res = vuzpq_s16(vreinterpretq_s16_s32(low), vreinterpretq_s16_s32(high)).val[1]; // clamp res = vmaxq_s16(res, vdupq_n_s16(0)); res = vminq_s16(res, vdupq_n_s16(max)); return res; } // TILEX_PROCF(fx, max) SkClampMax((fx) >> 16, max) static inline int32x4_t sbpsm_clamp_tile4(int32x4_t f, unsigned max) { int32x4_t res; // get the hi 16s of all those 32s res = vshrq_n_s32(f, 16); // clamp res = vmaxq_s32(res, vdupq_n_s32(0)); res = vminq_s32(res, vdupq_n_s32(max)); return res; } // EXTRACT_LOW_BITS(fy, max) (((fy) >> 12) & 0xF) static inline int32x4_t sbpsm_clamp_tile4_low_bits(int32x4_t fx) { int32x4_t ret; ret = vshrq_n_s32(fx, 12); /* We don't need the mask below because the caller will * overwrite the non-masked bits */ //ret = vandq_s32(ret, vdupq_n_s32(0xF)); return ret; } // TILEX_PROCF(fx, max) (((fx)&0xFFFF)*((max)+1)>> 16) static inline int16x8_t sbpsm_repeat_tile8(int32x4_t low, int32x4_t high, unsigned max) { uint16x8_t res; uint32x4_t tmpl, tmph; // get the lower 16 bits res = vuzpq_u16(vreinterpretq_u16_s32(low), vreinterpretq_u16_s32(high)).val[0]; // bare multiplication, not SkFixedMul tmpl = vmull_u16(vget_low_u16(res), vdup_n_u16(max+1)); tmph = vmull_u16(vget_high_u16(res), vdup_n_u16(max+1)); // extraction of the 16 upper bits res = vuzpq_u16(vreinterpretq_u16_u32(tmpl), vreinterpretq_u16_u32(tmph)).val[1]; return vreinterpretq_s16_u16(res); } // TILEX_PROCF(fx, max) (((fx)&0xFFFF)*((max)+1)>> 16) static inline int32x4_t sbpsm_repeat_tile4(int32x4_t f, unsigned max) { uint16x4_t res; uint32x4_t tmp; // get the lower 16 bits res = vmovn_u32(vreinterpretq_u32_s32(f)); // bare multiplication, not SkFixedMul tmp = vmull_u16(res, vdup_n_u16(max+1)); // extraction of the 16 upper bits tmp = vshrq_n_u32(tmp, 16); return vreinterpretq_s32_u32(tmp); } // EXTRACT_LOW_BITS(fx, max) ((((fx) & 0xFFFF) * ((max) + 1) >> 12) & 0xF) static inline int32x4_t sbpsm_repeat_tile4_low_bits(int32x4_t fx, unsigned max) { uint16x4_t res; uint32x4_t tmp; int32x4_t ret; // get the lower 16 bits res = vmovn_u32(vreinterpretq_u32_s32(fx)); // bare multiplication, not SkFixedMul tmp = vmull_u16(res, vdup_n_u16(max + 1)); // shift and mask ret = vshrq_n_s32(vreinterpretq_s32_u32(tmp), 12); /* We don't need the mask below because the caller will * overwrite the non-masked bits */ //ret = vandq_s32(ret, vdupq_n_s32(0xF)); return ret; } #define MAKENAME(suffix) ClampX_ClampY ## suffix ## _neon #define TILEX_PROCF(fx, max) SkClampMax((fx) >> 16, max) #define TILEY_PROCF(fy, max) SkClampMax((fy) >> 16, max) #define TILEX_PROCF_NEON8(l, h, max) sbpsm_clamp_tile8(l, h, max) #define TILEY_PROCF_NEON8(l, h, max) sbpsm_clamp_tile8(l, h, max) #define TILEX_PROCF_NEON4(fx, max) sbpsm_clamp_tile4(fx, max) #define TILEY_PROCF_NEON4(fy, max) sbpsm_clamp_tile4(fy, max) #define EXTRACT_LOW_BITS(v, max) (((v) >> 12) & 0xF) #define EXTRACT_LOW_BITS_NEON4(v, max) sbpsm_clamp_tile4_low_bits(v) #define CHECK_FOR_DECAL #include "SkBitmapProcState_matrix_neon.h" #define MAKENAME(suffix) RepeatX_RepeatY ## suffix ## _neon #define TILEX_PROCF(fx, max) SK_USHIFT16(((fx) & 0xFFFF) * ((max) + 1)) #define TILEY_PROCF(fy, max) SK_USHIFT16(((fy) & 0xFFFF) * ((max) + 1)) #define TILEX_PROCF_NEON8(l, h, max) sbpsm_repeat_tile8(l, h, max) #define TILEY_PROCF_NEON8(l, h, max) sbpsm_repeat_tile8(l, h, max) #define TILEX_PROCF_NEON4(fx, max) sbpsm_repeat_tile4(fx, max) #define TILEY_PROCF_NEON4(fy, max) sbpsm_repeat_tile4(fy, max) #define EXTRACT_LOW_BITS(v, max) ((((v) & 0xFFFF) * ((max) + 1) >> 12) & 0xF) #define EXTRACT_LOW_BITS_NEON4(v, max) sbpsm_repeat_tile4_low_bits(v, max) #include "SkBitmapProcState_matrix_neon.h" void decal_nofilter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count) { if (count >= 8) { // SkFixed is 16.16 fixed point SkFixed dx8 = dx * 8; int32x4_t vdx8 = vdupq_n_s32(dx8); // setup lbase and hbase int32x4_t lbase, hbase; lbase = vdupq_n_s32(fx); lbase = vsetq_lane_s32(fx + dx, lbase, 1); lbase = vsetq_lane_s32(fx + dx + dx, lbase, 2); lbase = vsetq_lane_s32(fx + dx + dx + dx, lbase, 3); hbase = lbase + vdupq_n_s32(4 * dx); do { // store the upper 16 bits vst1q_u32(dst, vreinterpretq_u32_s16( vuzpq_s16(vreinterpretq_s16_s32(lbase), vreinterpretq_s16_s32(hbase)).val[1] )); // on to the next group of 8 lbase += vdx8; hbase += vdx8; dst += 4; // we did 8 elements but the result is twice smaller count -= 8; fx += dx8; } while (count >= 8); } uint16_t* xx = (uint16_t*)dst; for (int i = count; i > 0; --i) { *xx++ = SkToU16(fx >> 16); fx += dx; } } void decal_filter_scale_neon(uint32_t dst[], SkFixed fx, SkFixed dx, int count) { if (count >= 8) { SkFixed dx8 = dx * 8; int32x4_t vdx8 = vdupq_n_s32(dx8); int32x4_t wide_fx, wide_fx2; wide_fx = vdupq_n_s32(fx); wide_fx = vsetq_lane_s32(fx + dx, wide_fx, 1); wide_fx = vsetq_lane_s32(fx + dx + dx, wide_fx, 2); wide_fx = vsetq_lane_s32(fx + dx + dx + dx, wide_fx, 3); wide_fx2 = vaddq_s32(wide_fx, vdupq_n_s32(4 * dx)); while (count >= 8) { int32x4_t wide_out; int32x4_t wide_out2; wide_out = vshlq_n_s32(vshrq_n_s32(wide_fx, 12), 14); wide_out = wide_out | (vshrq_n_s32(wide_fx,16) + vdupq_n_s32(1)); wide_out2 = vshlq_n_s32(vshrq_n_s32(wide_fx2, 12), 14); wide_out2 = wide_out2 | (vshrq_n_s32(wide_fx2,16) + vdupq_n_s32(1)); vst1q_u32(dst, vreinterpretq_u32_s32(wide_out)); vst1q_u32(dst+4, vreinterpretq_u32_s32(wide_out2)); dst += 8; fx += dx8; wide_fx += vdx8; wide_fx2 += vdx8; count -= 8; } } if (count & 1) { SkASSERT((fx >> (16 + 14)) == 0); *dst++ = (fx >> 12 << 14) | ((fx >> 16) + 1); fx += dx; } while ((count -= 2) >= 0) { SkASSERT((fx >> (16 + 14)) == 0); *dst++ = (fx >> 12 << 14) | ((fx >> 16) + 1); fx += dx; *dst++ = (fx >> 12 << 14) | ((fx >> 16) + 1); fx += dx; } }