f0ea77a363
With SSE2 version memcpy32, S32_Opaque_BlitRow32() in SkBlitRow_D32.cpp
has about 30% performance improvement. Here are the data on desktop
i7-3770.
before:
bitmap_scale_filter_90_90 8888: cmsecs = 2.01
bitmaprect_FF_filter_trans 8888: cmsecs = 3.61
bitmaprect_FF_nofilter_trans 8888: cmsecs = 3.57
bitmaprect_FF_filter_identity 8888: cmsecs = 3.53
bitmaprect_FF_nofilter_identity 8888: cmsecs = 3.53
bitmap_4444_update 8888: cmsecs = 4.84
bitmap_4444_update_volatile 8888: cmsecs = 4.81
bitmap_4444 8888: cmsecs = 4.81
after:
bitmap_scale_filter_90_90 8888: cmsecs = 1.83
bitmaprect_FF_filter_trans 8888: cmsecs = 2.36
bitmaprect_FF_nofilter_trans 8888: cmsecs = 2.36
bitmaprect_FF_filter_identity 8888: cmsecs = 2.60
bitmaprect_FF_nofilter_identity 8888: cmsecs = 2.63
bitmap_4444_update 8888: cmsecs = 3.30
bitmap_4444_update_volatile 8888: cmsecs = 3.30
bitmap_4444 8888: cmsecs = 3.29
BUG=skia:
R=mtklein@google.com, reed@google.com, bsalomon@google.com
Author: qiankun.miao@intel.com
Review URL: https://codereview.chromium.org/285313002
git-svn-id: http://skia.googlecode.com/svn/trunk@14822 2bbb7eff-a529-9590-31e7-b0007b416f81
119 lines
4.1 KiB
C++
119 lines
4.1 KiB
C++
/*
|
|
* Copyright 2006 The Android Open Source Project
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#ifndef SkUtils_DEFINED
|
|
#define SkUtils_DEFINED
|
|
|
|
#include "SkTypes.h"
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
/** Similar to memset(), but it assigns a 16bit value into the buffer.
|
|
@param buffer The memory to have value copied into it
|
|
@param value The 16bit value to be copied into buffer
|
|
@param count The number of times value should be copied into the buffer.
|
|
*/
|
|
void sk_memset16(uint16_t dst[], uint16_t value, int count);
|
|
typedef void (*SkMemset16Proc)(uint16_t dst[], uint16_t value, int count);
|
|
SkMemset16Proc SkMemset16GetPlatformProc();
|
|
|
|
/** Similar to memset(), but it assigns a 32bit value into the buffer.
|
|
@param buffer The memory to have value copied into it
|
|
@param value The 32bit value to be copied into buffer
|
|
@param count The number of times value should be copied into the buffer.
|
|
*/
|
|
void sk_memset32(uint32_t dst[], uint32_t value, int count);
|
|
typedef void (*SkMemset32Proc)(uint32_t dst[], uint32_t value, int count);
|
|
SkMemset32Proc SkMemset32GetPlatformProc();
|
|
|
|
/** Similar to memcpy(), but it copies count 32bit values from src to dst.
|
|
@param dst The memory to have value copied into it
|
|
@param src The memory to have value copied from it
|
|
@param count The number of values should be copied.
|
|
*/
|
|
void sk_memcpy32(uint32_t dst[], const uint32_t src[], int count);
|
|
typedef void (*SkMemcpy32Proc)(uint32_t dst[], const uint32_t src[], int count);
|
|
SkMemcpy32Proc SkMemcpy32GetPlatformProc();
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define kMaxBytesInUTF8Sequence 4
|
|
|
|
#ifdef SK_DEBUG
|
|
int SkUTF8_LeadByteToCount(unsigned c);
|
|
#else
|
|
#define SkUTF8_LeadByteToCount(c) ((((0xE5 << 24) >> ((unsigned)c >> 4 << 1)) & 3) + 1)
|
|
#endif
|
|
|
|
inline int SkUTF8_CountUTF8Bytes(const char utf8[]) {
|
|
SkASSERT(utf8);
|
|
return SkUTF8_LeadByteToCount(*(const uint8_t*)utf8);
|
|
}
|
|
|
|
int SkUTF8_CountUnichars(const char utf8[]);
|
|
int SkUTF8_CountUnichars(const char utf8[], size_t byteLength);
|
|
SkUnichar SkUTF8_ToUnichar(const char utf8[]);
|
|
SkUnichar SkUTF8_NextUnichar(const char**);
|
|
SkUnichar SkUTF8_PrevUnichar(const char**);
|
|
|
|
/** Return the number of bytes need to convert a unichar
|
|
into a utf8 sequence. Will be 1..kMaxBytesInUTF8Sequence,
|
|
or 0 if uni is illegal.
|
|
*/
|
|
size_t SkUTF8_FromUnichar(SkUnichar uni, char utf8[] = NULL);
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define SkUTF16_IsHighSurrogate(c) (((c) & 0xFC00) == 0xD800)
|
|
#define SkUTF16_IsLowSurrogate(c) (((c) & 0xFC00) == 0xDC00)
|
|
|
|
int SkUTF16_CountUnichars(const uint16_t utf16[]);
|
|
int SkUTF16_CountUnichars(const uint16_t utf16[], int numberOf16BitValues);
|
|
// returns the current unichar and then moves past it (*p++)
|
|
SkUnichar SkUTF16_NextUnichar(const uint16_t**);
|
|
// this guy backs up to the previus unichar value, and returns it (*--p)
|
|
SkUnichar SkUTF16_PrevUnichar(const uint16_t**);
|
|
size_t SkUTF16_FromUnichar(SkUnichar uni, uint16_t utf16[] = NULL);
|
|
|
|
size_t SkUTF16_ToUTF8(const uint16_t utf16[], int numberOf16BitValues,
|
|
char utf8[] = NULL);
|
|
|
|
inline bool SkUnichar_IsVariationSelector(SkUnichar uni) {
|
|
/* The 'true' ranges are:
|
|
* 0x180B <= uni <= 0x180D
|
|
* 0xFE00 <= uni <= 0xFE0F
|
|
* 0xE0100 <= uni <= 0xE01EF
|
|
*/
|
|
if (uni < 0x180B || uni > 0xE01EF) {
|
|
return false;
|
|
}
|
|
if ((uni > 0x180D && uni < 0xFE00) || (uni > 0xFE0F && uni < 0xE0100)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
class SkAutoTrace {
|
|
public:
|
|
/** NOTE: label contents are not copied, just the ptr is
|
|
retained, so DON'T DELETE IT.
|
|
*/
|
|
SkAutoTrace(const char label[]) : fLabel(label) {
|
|
SkDebugf("--- trace: %s Enter\n", fLabel);
|
|
}
|
|
~SkAutoTrace() {
|
|
SkDebugf("--- trace: %s Leave\n", fLabel);
|
|
}
|
|
private:
|
|
const char* fLabel;
|
|
};
|
|
#define SkAutoTrace(...) SK_REQUIRE_LOCAL_VAR(SkAutoTrace)
|
|
|
|
#endif
|