#include "SkUtils.h"
+#include "SkOnce.h"
#if 0
#define assign_16_longs(dst, value) \
///////////////////////////////////////////////////////////////////////////////
-void sk_memset16_portable(uint16_t dst[], uint16_t value, int count) {
+static void sk_memset16_portable(uint16_t dst[], uint16_t value, int count) {
SkASSERT(dst != NULL && count >= 0);
if (count <= 0) {
}
}
-void sk_memset32_portable(uint32_t dst[], uint32_t value, int count) {
+static void sk_memset32_portable(uint32_t dst[], uint32_t value, int count) {
SkASSERT(dst != NULL && count >= 0);
int sixteenlongs = count >> 4;
}
}
-static void sk_memset16_stub(uint16_t dst[], uint16_t value, int count) {
- SkMemset16Proc proc = SkMemset16GetPlatformProc();
- sk_memset16 = proc ? proc : sk_memset16_portable;
- sk_memset16(dst, value, count);
+static void choose_memset16(SkMemset16Proc* proc) {
+ *proc = SkMemset16GetPlatformProc();
+ if (NULL == *proc) {
+ *proc = &sk_memset16_portable;
+ }
}
-SkMemset16Proc sk_memset16 = sk_memset16_stub;
+void sk_memset16(uint16_t dst[], uint16_t value, int count) {
+ SK_DECLARE_STATIC_ONCE(once);
+ static SkMemset16Proc proc = NULL;
+ SkOnce(&once, choose_memset16, &proc);
+ SkASSERT(proc != NULL);
+
+ return proc(dst, value, count);
+}
-static void sk_memset32_stub(uint32_t dst[], uint32_t value, int count) {
- SkMemset32Proc proc = SkMemset32GetPlatformProc();
- sk_memset32 = proc ? proc : sk_memset32_portable;
- sk_memset32(dst, value, count);
+static void choose_memset32(SkMemset32Proc* proc) {
+ *proc = SkMemset32GetPlatformProc();
+ if (NULL == *proc) {
+ *proc = &sk_memset32_portable;
+ }
}
-SkMemset32Proc sk_memset32 = sk_memset32_stub;
+void sk_memset32(uint32_t dst[], uint32_t value, int count) {
+ SK_DECLARE_STATIC_ONCE(once);
+ static SkMemset32Proc proc = NULL;
+ SkOnce(&once, choose_memset32, &proc);
+ SkASSERT(proc != NULL);
+
+ return proc(dst, value, count);
+}
///////////////////////////////////////////////////////////////////////////////