Index: src/opts/SkXfermode_opts_arm.cpp |
diff --git a/src/opts/SkXfermode_opts_arm.cpp b/src/opts/SkXfermode_opts_arm.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bf9bae54f490c0738bf81217a04e27646bf386d5 |
--- /dev/null |
+++ b/src/opts/SkXfermode_opts_arm.cpp |
@@ -0,0 +1,129 @@ |
+#include "SkXfermode.h" |
+#include "SkXfermode_proccoeff.h" |
+#include "SkUtilsArm.h" |
+ |
+#if !SK_ARM_NEON_IS_NONE |
+ |
+#include <arm_neon.h> |
+ |
+//////////////////////////////////////////////////////////////////////////////// |
+ |
+typedef uint8x8x4_t (*SkXfermodeProcSIMD)(uint8x8x4_t src, uint8x8x4_t dst); |
+ |
+class SkNEONProcCoeffXfermode : public SkProcCoeffXfermode { |
+public: |
+ SkNEONProcCoeffXfermode(const ProcCoeff& rec, SkXfermode::Mode mode, |
+ SkXfermodeProcSIMD procSIMD) |
+ : INHERITED(rec, mode), fProcSIMD(procSIMD) {} |
+ |
+ virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count, |
+ const SkAlpha aa[]) const SK_OVERRIDE; |
+private: |
+ SkXfermodeProcSIMD fProcSIMD; |
+ typedef SkProcCoeffXfermode INHERITED; |
+}; |
+ |
+ |
+void SkNEONProcCoeffXfermode::xfer32(SkPMColor dst[], const SkPMColor src[], |
+ int count, const SkAlpha aa[]) const { |
+ SkASSERT(dst && src && count >= 0); |
+ |
+ SkXfermodeProc proc = fProc; |
+ SkXfermodeProcSIMD procSIMD = fProcSIMD; |
+ |
+ if (NULL == aa) { |
+ // Unrolled NEON code |
+ while (count >= 8) { |
+ uint8x8x4_t vsrc, vdst, vres; |
+ |
+ asm volatile ( |
+ "vld4.u8 %h[vsrc], [%[src]]! \t\n" |
+ "vld4.u8 %h[vdst], [%[dst]] \t\n" |
+ : [vsrc] "=w" (vsrc), [vdst] "=w" (vdst) |
+ : [src] "r" (src), [dst] "r" (dst) |
+ : |
+ ); |
+ |
+ vres = procSIMD(vsrc, vdst); |
+ |
+ vst4_u8((uint8_t*)dst, vres); |
+ |
+ count -= 8; |
+ dst += 8; |
+ } |
+ // Leftovers |
+ for (int i = 0; i < count; i++) { |
+ dst[i] = proc(src[i], dst[i]); |
+ } |
+ } else { |
+ for (int i = count - 1; i >= 0; --i) { |
+ unsigned a = aa[i]; |
+ if (0 != a) { |
+ SkPMColor dstC = dst[i]; |
+ SkPMColor C = proc(src[i], dstC); |
+ if (a != 0xFF) { |
+ C = SkFourByteInterp(C, dstC, a); |
+ } |
+ dst[i] = C; |
+ } |
+ } |
+ } |
+} |
+ |
+#ifdef SK_DEVELOPER |
+void SkNEONProcCoeffXfermode::toString(SkString* str) const { |
+ this->INHERITED::toString(str); |
+} |
+#endif |
+ |
+//////////////////////////////////////////////////////////////////////////////// |
+ |
+SkXfermodeProcSIMD gNEONXfermodeProcs[] = { |
+ [SkXfermode::kClear_Mode] = NULL, |
+ [SkXfermode::kSrc_Mode] = NULL, |
djsollen
2013/10/07 16:58:03
spacing
kevin.petit.not.used.account
2013/10/07 17:18:51
Done.
|
+ [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::kColorDodge_Mode] = NULL, |
+ [SkXfermode::kColorBurn_Mode] = NULL, |
+ [SkXfermode::kHardLight_Mode] = NULL, |
+ [SkXfermode::kSoftLight_Mode] = NULL, |
+ [SkXfermode::kDifference_Mode] = NULL, |
+ [SkXfermode::kExclusion_Mode] = NULL, |
+ [SkXfermode::kMultiply_Mode] = NULL, |
+ |
+ [SkXfermode::kHue_Mode] = NULL, |
+ [SkXfermode::kSaturation_Mode] = NULL, |
+ [SkXfermode::kColor_Mode] = NULL, |
+ [SkXfermode::kLuminosity_Mode] = NULL, |
+}; |
djsollen
2013/10/07 16:58:03
Add something like
SK_COMPILE_ASSERT(SK_ARRAY_COU
kevin.petit.not.used.account
2013/10/07 17:18:51
Done.
|
+#endif |
+ |
+SkProcCoeffXfermode* SkPlatformXfermodeFactory(const ProcCoeff& rec, |
+ SkXfermode::Mode mode) { |
+#if !SK_ARM_NEON_IS_NONE |
+ #if SK_ARM_NEON_IS_DYNAMIC |
+ if ((sk_cpu_arm_has_neon()) && (gNEONXfermodeProcs[mode] != NULL)) { |
+ #elif SK_ARM_NEON_IS_ALWAYS |
+ if (gNEONXfermodeProcs[mode] != NULL) { |
+ #endif |
+ return SkNEW_ARGS(SkNEONProcCoeffXfermode, |
+ (rec, mode, gNEONXfermodeProcs[mode])); |
+ } |
+#endif |
+ return NULL; |
+} |