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Unified Diff: src/opts/SkXfermode_opts_arm.cpp

Issue 26627004: ARM Skia NEON patches - 30 - Xfermode: NEON modeprocs (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Fix optional NEON Created 7 years, 2 months ago
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Index: src/opts/SkXfermode_opts_arm.cpp
diff --git a/src/opts/SkXfermode_opts_arm.cpp b/src/opts/SkXfermode_opts_arm.cpp
index db5d5317e3d6f5bbb2b8da170b6d96cdbe2fa3e6..b4686b9c78d62fa359edd6fdc57248c17be721fd 100644
--- a/src/opts/SkXfermode_opts_arm.cpp
+++ b/src/opts/SkXfermode_opts_arm.cpp
@@ -3,9 +3,559 @@
#include "SkColorPriv.h"
#include "SkUtilsArm.h"
-#if !SK_ARM_NEON_IS_NONE
-
#include <arm_neon.h>
+#include "SkColor_opts_neon.h"
+
+#define SkAlphaMulAlpha(a, b) SkMulDiv255Round(a, b)
+
+
+////////////////////////////////////////////////////////////////////////////////
+// NEONized skia functions
+////////////////////////////////////////////////////////////////////////////////
+
+static inline uint8x8_t SkAlphaMulAlpha_neon8(uint8x8_t color, uint8x8_t alpha) {
+ uint16x8_t tmp;
+ uint8x8_t ret;
+
+ tmp = vmull_u8(color, alpha);
+ tmp = vaddq_u16(tmp, vdupq_n_u16(128));
+ tmp = vaddq_u16(tmp, vshrq_n_u16(tmp, 8));
+
+ ret = vshrn_n_u16(tmp, 8);
+
+ return ret;
+}
+
+static inline uint16x8_t SkAlphaMulAlpha_neon8_16(uint8x8_t color, uint8x8_t alpha) {
+ uint16x8_t ret;
+
+ ret = vmull_u8(color, alpha);
+ ret = vaddq_u16(ret, vdupq_n_u16(128));
+ ret = vaddq_u16(ret, vshrq_n_u16(ret, 8));
+
+ ret = vshrq_n_u16(ret, 8);
+
+ return ret;
+}
+
+static inline uint8x8_t SkDiv255Round_neon8_32_8(int32x4_t p1, int32x4_t p2) {
+ uint16x8_t tmp;
+
+ tmp = vcombine_u16(vmovn_u32(vreinterpretq_u32_s32(p1)),
+ vmovn_u32(vreinterpretq_u32_s32(p2)));
+
+ tmp += vdupq_n_u16(128);
+ tmp += vshrq_n_u16(tmp, 8);
+
+ return vshrn_n_u16(tmp, 8);
+}
+
+static inline uint16x8_t SkDiv255Round_neon8_16_16(uint16x8_t prod) {
+ prod += vdupq_n_u16(128);
+ prod += vshrq_n_u16(prod, 8);
+
+ return vshrq_n_u16(prod, 8);
+}
+
+static inline uint8x8_t clamp_div255round_simd8_32(int32x4_t val1, int32x4_t val2) {
+ uint8x8_t ret;
+ uint32x4_t cmp1, cmp2;
+ uint16x8_t cmp16;
+ uint8x8_t cmp8, cmp8_1;
+
+ // Test if <= 0
+ cmp1 = vcleq_s32(val1, vdupq_n_s32(0));
+ cmp2 = vcleq_s32(val2, vdupq_n_s32(0));
+ cmp16 = vcombine_u16(vmovn_u32(cmp1), vmovn_u32(cmp2));
+ cmp8_1 = vmovn_u16(cmp16);
+
+ // Init to zero
+ ret = vdup_n_u8(0);
+
+ // Test if >= 255*255
+ cmp1 = vcgeq_s32(val1, vdupq_n_s32(255*255));
+ cmp2 = vcgeq_s32(val2, vdupq_n_s32(255*255));
+ cmp16 = vcombine_u16(vmovn_u32(cmp1), vmovn_u32(cmp2));
+ cmp8 = vmovn_u16(cmp16);
+
+ // Insert 255 where true
+ ret = vbsl_u8(cmp8, vdup_n_u8(255), ret);
+
+ // Calc SkDiv255Round
+ uint8x8_t div = SkDiv255Round_neon8_32_8(val1, val2);
+
+ // Insert where false and previous test false
+ cmp8 = cmp8 | cmp8_1;
+ ret = vbsl_u8(cmp8, ret, div);
+
+ // Return the final combination
+ return ret;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// 8 pixels modeprocs
+////////////////////////////////////////////////////////////////////////////////
+
+uint8x8x4_t dstover_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint16x8_t src_scale;
+
+ src_scale = vsubw_u8(vdupq_n_u16(256), dst.val[NEON_A]);
+
+ ret.val[NEON_A] = dst.val[NEON_A] + SkAlphaMul_neon8(src.val[NEON_A], src_scale);
+ ret.val[NEON_R] = dst.val[NEON_R] + SkAlphaMul_neon8(src.val[NEON_R], src_scale);
+ ret.val[NEON_G] = dst.val[NEON_G] + SkAlphaMul_neon8(src.val[NEON_G], src_scale);
+ ret.val[NEON_B] = dst.val[NEON_B] + SkAlphaMul_neon8(src.val[NEON_B], src_scale);
+
+ return ret;
+}
+
+uint8x8x4_t srcin_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint16x8_t scale;
+
+ scale = SkAlpha255To256_neon8(dst.val[NEON_A]);
+
+ ret.val[NEON_A] = SkAlphaMul_neon8(src.val[NEON_A], scale);
+ ret.val[NEON_R] = SkAlphaMul_neon8(src.val[NEON_R], scale);
+ ret.val[NEON_G] = SkAlphaMul_neon8(src.val[NEON_G], scale);
+ ret.val[NEON_B] = SkAlphaMul_neon8(src.val[NEON_B], scale);
+
+ return ret;
+}
+
+uint8x8x4_t dstin_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint16x8_t scale;
+
+ scale = SkAlpha255To256_neon8(src.val[NEON_A]);
+
+ ret = SkAlphaMulQ_neon8(dst, scale);
+
+ return ret;
+}
+
+uint8x8x4_t srcout_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint16x8_t scale = vsubw_u8(vdupq_n_u16(256), dst.val[NEON_A]);
+
+ ret = SkAlphaMulQ_neon8(src, scale);
+
+ return ret;
+}
+
+uint8x8x4_t dstout_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint16x8_t scale = vsubw_u8(vdupq_n_u16(256), src.val[NEON_A]);
+
+ ret = SkAlphaMulQ_neon8(dst, scale);
+
+ return ret;
+}
+
+uint8x8x4_t srcatop_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint8x8_t isa;
+
+ isa = vsub_u8(vdup_n_u8(255), src.val[NEON_A]);
+
+ ret.val[NEON_A] = dst.val[NEON_A];
+ ret.val[NEON_R] = SkAlphaMulAlpha_neon8(src.val[NEON_R], dst.val[NEON_A])
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_R], isa);
+ ret.val[NEON_G] = SkAlphaMulAlpha_neon8(src.val[NEON_G], dst.val[NEON_A])
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_G], isa);
+ ret.val[NEON_B] = SkAlphaMulAlpha_neon8(src.val[NEON_B], dst.val[NEON_A])
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_B], isa);
+
+ return ret;
+}
+
+uint8x8x4_t dstatop_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint8x8_t ida;
+
+ ida = vsub_u8(vdup_n_u8(255), dst.val[NEON_A]);
+
+ ret.val[NEON_A] = src.val[NEON_A];
+ ret.val[NEON_R] = SkAlphaMulAlpha_neon8(src.val[NEON_R], ida)
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_R], src.val[NEON_A]);
+ ret.val[NEON_G] = SkAlphaMulAlpha_neon8(src.val[NEON_G], ida)
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_G], src.val[NEON_A]);
+ ret.val[NEON_B] = SkAlphaMulAlpha_neon8(src.val[NEON_B], ida)
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_B], src.val[NEON_A]);
+
+ return ret;
+}
+
+uint8x8x4_t xor_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+ uint8x8_t isa, ida;
+ uint16x8_t tmp_wide, tmp_wide2;
+
+ isa = vsub_u8(vdup_n_u8(255), src.val[NEON_A]);
+ ida = vsub_u8(vdup_n_u8(255), dst.val[NEON_A]);
+
+ // First calc alpha
+ tmp_wide = vmovl_u8(src.val[NEON_A]);
+ tmp_wide = vaddw_u8(tmp_wide, dst.val[NEON_A]);
+ tmp_wide2 = vshll_n_u8(SkAlphaMulAlpha_neon8(src.val[NEON_A], dst.val[NEON_A]), 1);
+ tmp_wide = vsubq_u16(tmp_wide, tmp_wide2);
+ ret.val[NEON_A] = vmovn_u16(tmp_wide);
+
+ // Then colors
+ ret.val[NEON_R] = SkAlphaMulAlpha_neon8(src.val[NEON_R], ida)
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_R], isa);
+ ret.val[NEON_G] = SkAlphaMulAlpha_neon8(src.val[NEON_G], ida)
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_G], isa);
+ ret.val[NEON_B] = SkAlphaMulAlpha_neon8(src.val[NEON_B], ida)
+ + SkAlphaMulAlpha_neon8(dst.val[NEON_B], isa);
+
+ return ret;
+}
+
+uint8x8x4_t plus_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = vqadd_u8(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = vqadd_u8(src.val[NEON_R], dst.val[NEON_R]);
+ ret.val[NEON_G] = vqadd_u8(src.val[NEON_G], dst.val[NEON_G]);
+ ret.val[NEON_B] = vqadd_u8(src.val[NEON_B], dst.val[NEON_B]);
+
+ return ret;
+}
+
+uint8x8x4_t modulate_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = SkAlphaMulAlpha_neon8(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = SkAlphaMulAlpha_neon8(src.val[NEON_R], dst.val[NEON_R]);
+ ret.val[NEON_G] = SkAlphaMulAlpha_neon8(src.val[NEON_G], dst.val[NEON_G]);
+ ret.val[NEON_B] = SkAlphaMulAlpha_neon8(src.val[NEON_B], dst.val[NEON_B]);
+
+ return ret;
+}
+
+static inline uint8x8_t srcover_color(uint8x8_t a, uint8x8_t b) {
+ uint16x8_t tmp;
+
+ tmp = vaddl_u8(a, b);
+ tmp -= SkAlphaMulAlpha_neon8_16(a, b);
+
+ return vmovn_u16(tmp);
+}
+
+uint8x8x4_t screen_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = srcover_color(src.val[NEON_R], dst.val[NEON_R]);
+ ret.val[NEON_G] = srcover_color(src.val[NEON_G], dst.val[NEON_G]);
+ ret.val[NEON_B] = srcover_color(src.val[NEON_B], dst.val[NEON_B]);
+
+ return ret;
+}
+
+template <bool overlay>
+static inline uint8x8_t overlay_hardlight_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ /*
+ * In the end we're gonna use (rc + tmp) with a different rc
+ * coming from an alternative.
+ * The whole value (rc + tmp) can always be expressed as
+ * VAL = COM - SUB in the if case
+ * VAL = COM + SUB - sa*da in the else case
+ *
+ * with COM = 255 * (sc + dc)
+ * and SUB = sc*da + dc*sa - 2*dc*sc
+ */
+
+ // Prepare common subexpressions
+ uint16x8_t const255 = vdupq_n_u16(255);
+ uint16x8_t sc_plus_dc = vaddl_u8(sc, dc);
+ uint16x8_t scda = vmull_u8(sc, da);
+ uint16x8_t dcsa = vmull_u8(dc, sa);
+ uint16x8_t sada = vmull_u8(sa, da);
+
+ // Prepare non common subexpressions
+ uint16x8_t dc2, sc2;
+ uint32x4_t scdc2_1, scdc2_2;
+ if (overlay) {
+ dc2 = vshll_n_u8(dc, 1);
+ scdc2_1 = vmull_u16(vget_low_u16(dc2), vget_low_u16(vmovl_u8(sc)));
+ scdc2_2 = vmull_u16(vget_high_u16(dc2), vget_high_u16(vmovl_u8(sc)));
+ } else {
+ sc2 = vshll_n_u8(sc, 1);
+ scdc2_1 = vmull_u16(vget_low_u16(sc2), vget_low_u16(vmovl_u8(dc)));
+ scdc2_2 = vmull_u16(vget_high_u16(sc2), vget_high_u16(vmovl_u8(dc)));
+ }
+
+ // Calc COM
+ int32x4_t com1, com2;
+ com1 = vreinterpretq_s32_u32(
+ vmull_u16(vget_low_u16(const255), vget_low_u16(sc_plus_dc)));
+ com2 = vreinterpretq_s32_u32(
+ vmull_u16(vget_high_u16(const255), vget_high_u16(sc_plus_dc)));
+
+ // Calc SUB
+ int32x4_t sub1, sub2;
+ sub1 = vreinterpretq_s32_u32(vaddl_u16(vget_low_u16(scda), vget_low_u16(dcsa)));
+ sub2 = vreinterpretq_s32_u32(vaddl_u16(vget_high_u16(scda), vget_high_u16(dcsa)));
+ sub1 = vsubq_s32(sub1, vreinterpretq_s32_u32(scdc2_1));
+ sub2 = vsubq_s32(sub2, vreinterpretq_s32_u32(scdc2_2));
+
+ // Compare 2*dc <= da
+ uint16x8_t cmp;
+
+ if (overlay) {
+ cmp = vcleq_u16(dc2, vmovl_u8(da));
+ } else {
+ cmp = vcleq_u16(sc2, vmovl_u8(sa));
+ }
+
+ // Prepare variables
+ int32x4_t val1_1, val1_2;
+ int32x4_t val2_1, val2_2;
+ uint32x4_t cmp1, cmp2;
+
+ cmp1 = vmovl_u16(vget_low_u16(cmp));
+ cmp1 |= vshlq_n_u32(cmp1, 16);
+ cmp2 = vmovl_u16(vget_high_u16(cmp));
+ cmp2 |= vshlq_n_u32(cmp2, 16);
+
+ // Calc COM - SUB
+ val1_1 = com1 - sub1;
+ val1_2 = com2 - sub2;
+
+ // Calc COM + SUB - sa*da
+ val2_1 = com1 + sub1;
+ val2_2 = com2 + sub2;
+
+ val2_1 = vsubq_s32(val2_1, vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(sada))));
+ val2_2 = vsubq_s32(val2_2, vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(sada))));
+
+ // Insert where needed
+ val1_1 = vbslq_s32(cmp1, val1_1, val2_1);
+ val1_2 = vbslq_s32(cmp2, val1_2, val2_2);
+
+ // Call the clamp_div255round function
+ return clamp_div255round_simd8_32(val1_1, val1_2);
+}
+
+static inline uint8x8_t overlay_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ return overlay_hardlight_color<true>(sc, dc, sa, da);
+}
+
+uint8x8x4_t overlay_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = overlay_color(src.val[NEON_R], dst.val[NEON_R],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_G] = overlay_color(src.val[NEON_G], dst.val[NEON_G],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_B] = overlay_color(src.val[NEON_B], dst.val[NEON_B],
+ src.val[NEON_A], dst.val[NEON_A]);
+
+ return ret;
+}
+
+template <bool lighten>
+static inline uint8x8_t lighten_darken_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ uint16x8_t sd, ds, cmp, tmp, tmp2;
+
+ // Prepare
+ sd = vmull_u8(sc, da);
+ ds = vmull_u8(dc, sa);
+
+ // Do test
+ if (lighten) {
+ cmp = vcgtq_u16(sd, ds);
+ } else {
+ cmp = vcltq_u16(sd, ds);
+ }
+
+ // Assign if
+ tmp = vaddl_u8(sc, dc);
+ tmp2 = tmp;
+ tmp -= SkDiv255Round_neon8_16_16(ds);
+
+ // Calc else
+ tmp2 -= SkDiv255Round_neon8_16_16(sd);
+
+ // Insert where needed
+ tmp = vbslq_u16(cmp, tmp, tmp2);
+
+ return vmovn_u16(tmp);
+}
+
+static inline uint8x8_t darken_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ return lighten_darken_color<false>(sc, dc, sa, da);
+}
+
+uint8x8x4_t darken_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = darken_color(src.val[NEON_R], dst.val[NEON_R],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_G] = darken_color(src.val[NEON_G], dst.val[NEON_G],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_B] = darken_color(src.val[NEON_B], dst.val[NEON_B],
+ src.val[NEON_A], dst.val[NEON_A]);
+
+ return ret;
+}
+
+static inline uint8x8_t lighten_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ return lighten_darken_color<true>(sc, dc, sa, da);
+}
+
+uint8x8x4_t lighten_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = lighten_color(src.val[NEON_R], dst.val[NEON_R],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_G] = lighten_color(src.val[NEON_G], dst.val[NEON_G],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_B] = lighten_color(src.val[NEON_B], dst.val[NEON_B],
+ src.val[NEON_A], dst.val[NEON_A]);
+
+ return ret;
+}
+
+static inline uint8x8_t hardlight_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ return overlay_hardlight_color<false>(sc, dc, sa, da);
+}
+
+uint8x8x4_t hardlight_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = hardlight_color(src.val[NEON_R], dst.val[NEON_R],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_G] = hardlight_color(src.val[NEON_G], dst.val[NEON_G],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_B] = hardlight_color(src.val[NEON_B], dst.val[NEON_B],
+ src.val[NEON_A], dst.val[NEON_A]);
+
+ return ret;
+}
+
+static inline uint8x8_t difference_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ uint16x8_t sd, ds, tmp;
+ int16x8_t val;
+
+ sd = vmull_u8(sc, da);
+ ds = vmull_u8(dc, sa);
+
+ tmp = vminq_u16(sd, ds);
+ tmp = SkDiv255Round_neon8_16_16(tmp);
+ tmp = vshlq_n_u16(tmp, 1);
+
+ val = vreinterpretq_s16_u16(vaddl_u8(sc, dc));
+
+ val -= vreinterpretq_s16_u16(tmp);
+
+ val = vmaxq_s16(val, vdupq_n_s16(0));
+ val = vminq_s16(val, vdupq_n_s16(255));
+
+ return vmovn_u16(vreinterpretq_u16_s16(val));
+}
+
+uint8x8x4_t difference_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = difference_color(src.val[NEON_R], dst.val[NEON_R],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_G] = difference_color(src.val[NEON_G], dst.val[NEON_G],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_B] = difference_color(src.val[NEON_B], dst.val[NEON_B],
+ src.val[NEON_A], dst.val[NEON_A]);
+
+ return ret;
+}
+
+static inline uint8x8_t exclusion_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ /* The equation can be simplified to 255(sc + dc) - 2 * sc * dc */
+
+ uint16x8_t sc_plus_dc, scdc, const255;
+ int32x4_t term1_1, term1_2, term2_1, term2_2;
+
+ /* Calc (sc + dc) and (sc * dc) */
+ sc_plus_dc = vaddl_u8(sc, dc);
+ scdc = vmull_u8(sc, dc);
+
+ /* Prepare constants */
+ const255 = vdupq_n_u16(255);
+
+ /* Calc the first term */
+ term1_1 = vreinterpretq_s32_u32(
+ vmull_u16(vget_low_u16(const255), vget_low_u16(sc_plus_dc)));
+ term1_2 = vreinterpretq_s32_u32(
+ vmull_u16(vget_high_u16(const255), vget_high_u16(sc_plus_dc)));
+
+ /* Calc the second term */
+ term2_1 = vreinterpretq_s32_u32(vshll_n_u16(vget_low_u16(scdc), 1));
+ term2_2 = vreinterpretq_s32_u32(vshll_n_u16(vget_high_u16(scdc), 1));
+
+ return clamp_div255round_simd8_32(term1_1 - term2_1, term1_2 - term2_2);
+}
+
+uint8x8x4_t exclusion_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = exclusion_color(src.val[NEON_R], dst.val[NEON_R],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_G] = exclusion_color(src.val[NEON_G], dst.val[NEON_G],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_B] = exclusion_color(src.val[NEON_B], dst.val[NEON_B],
+ src.val[NEON_A], dst.val[NEON_A]);
+
+ return ret;
+}
+
+static inline uint8x8_t blendfunc_multiply_color(uint8x8_t sc, uint8x8_t dc,
+ uint8x8_t sa, uint8x8_t da) {
+ uint32x4_t val1, val2;
+ uint16x8_t scdc, t1, t2;
+
+ t1 = vmull_u8(sc, vdup_n_u8(255) - da);
+ t2 = vmull_u8(dc, vdup_n_u8(255) - sa);
+ scdc = vmull_u8(sc, dc);
+
+ val1 = vaddl_u16(vget_low_u16(t1), vget_low_u16(t2));
+ val2 = vaddl_u16(vget_high_u16(t1), vget_high_u16(t2));
+
+ val1 = vaddw_u16(val1, vget_low_u16(scdc));
+ val2 = vaddw_u16(val2, vget_high_u16(scdc));
+
+ return clamp_div255round_simd8_32(
+ vreinterpretq_s32_u32(val1), vreinterpretq_s32_u32(val2));
+}
+
+uint8x8x4_t multiply_modeproc_neon8(uint8x8x4_t src, uint8x8x4_t dst) {
+ uint8x8x4_t ret;
+
+ ret.val[NEON_A] = srcover_color(src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_R] = blendfunc_multiply_color(src.val[NEON_R], dst.val[NEON_R],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_G] = blendfunc_multiply_color(src.val[NEON_G], dst.val[NEON_G],
+ src.val[NEON_A], dst.val[NEON_A]);
+ ret.val[NEON_B] = blendfunc_multiply_color(src.val[NEON_B], dst.val[NEON_B],
+ src.val[NEON_A], dst.val[NEON_A]);
+
+ return ret;
+}
////////////////////////////////////////////////////////////////////////////////
@@ -106,28 +656,28 @@ SkXfermodeProcSIMD gNEONXfermodeProcs[] = {
[SkXfermode::kSrc_Mode] = NULL,
[SkXfermode::kDst_Mode] = NULL,
[SkXfermode::kSrcOver_Mode] = NULL,
- [SkXfermode::kDstOver_Mode] = NULL,
- [SkXfermode::kSrcIn_Mode] = NULL,
- [SkXfermode::kDstIn_Mode] = NULL,
- [SkXfermode::kSrcOut_Mode] = NULL,
- [SkXfermode::kDstOut_Mode] = NULL,
- [SkXfermode::kSrcATop_Mode] = NULL,
- [SkXfermode::kDstATop_Mode] = NULL,
- [SkXfermode::kXor_Mode] = NULL,
- [SkXfermode::kPlus_Mode] = NULL,
- [SkXfermode::kModulate_Mode]= NULL,
- [SkXfermode::kScreen_Mode] = NULL,
-
- [SkXfermode::kOverlay_Mode] = NULL,
- [SkXfermode::kDarken_Mode] = NULL,
- [SkXfermode::kLighten_Mode] = NULL,
+ [SkXfermode::kDstOver_Mode] = dstover_modeproc_neon8,
+ [SkXfermode::kSrcIn_Mode] = srcin_modeproc_neon8,
+ [SkXfermode::kDstIn_Mode] = dstin_modeproc_neon8,
+ [SkXfermode::kSrcOut_Mode] = srcout_modeproc_neon8,
+ [SkXfermode::kDstOut_Mode] = dstout_modeproc_neon8,
+ [SkXfermode::kSrcATop_Mode] = srcatop_modeproc_neon8,
+ [SkXfermode::kDstATop_Mode] = dstatop_modeproc_neon8,
+ [SkXfermode::kXor_Mode] = xor_modeproc_neon8,
+ [SkXfermode::kPlus_Mode] = plus_modeproc_neon8,
+ [SkXfermode::kModulate_Mode]= modulate_modeproc_neon8,
+ [SkXfermode::kScreen_Mode] = screen_modeproc_neon8,
+
+ [SkXfermode::kOverlay_Mode] = overlay_modeproc_neon8,
+ [SkXfermode::kDarken_Mode] = darken_modeproc_neon8,
+ [SkXfermode::kLighten_Mode] = lighten_modeproc_neon8,
[SkXfermode::kColorDodge_Mode] = NULL,
[SkXfermode::kColorBurn_Mode] = NULL,
- [SkXfermode::kHardLight_Mode] = NULL,
+ [SkXfermode::kHardLight_Mode] = hardlight_modeproc_neon8,
[SkXfermode::kSoftLight_Mode] = NULL,
- [SkXfermode::kDifference_Mode] = NULL,
- [SkXfermode::kExclusion_Mode] = NULL,
- [SkXfermode::kMultiply_Mode] = NULL,
+ [SkXfermode::kDifference_Mode] = difference_modeproc_neon8,
+ [SkXfermode::kExclusion_Mode] = exclusion_modeproc_neon8,
+ [SkXfermode::kMultiply_Mode] = multiply_modeproc_neon8,
[SkXfermode::kHue_Mode] = NULL,
[SkXfermode::kSaturation_Mode] = NULL,
@@ -140,19 +690,15 @@ SK_COMPILE_ASSERT(
mode_count_arm
);
-#endif
-
SkProcCoeffXfermode* SkPlatformXfermodeFactory(const ProcCoeff& rec,
SkXfermode::Mode mode) {
-#if !SK_ARM_NEON_IS_NONE
- #if SK_ARM_NEON_IS_DYNAMIC
+#if SK_ARM_NEON_IS_DYNAMIC
if ((sk_cpu_arm_has_neon()) && (gNEONXfermodeProcs[mode] != NULL)) {
- #elif SK_ARM_NEON_IS_ALWAYS
+#elif SK_ARM_NEON_IS_ALWAYS
if (gNEONXfermodeProcs[mode] != NULL) {
- #endif
+#endif
return SkNEW_ARGS(SkNEONProcCoeffXfermode,
(rec, mode, gNEONXfermodeProcs[mode]));
}
-#endif
return NULL;
}
« gyp/opts.gyp ('K') | « src/opts/SkColor_opts_neon.h ('k') | src/opts/SkXfermode_opts_none.cpp » ('j') | src/opts/SkXfermode_opts_none.cpp » ('J')

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