{

#if 0

__m128 avec = _mm_load_ps(aflt);

__m128 bvec = _mm_load_ps(bflt);

__m128 diff = _mm_xor_ps(avec, bvec);

__m128 eq = _mm_cmpeq_ps(diff, zero);

int mask = _mm_movemask_ps(eq);

int signMask = _mm_movemask_ps(diff);

// first check ensures that diff is floatequal to zero (ie. avec bitwise equal to bvec).

// HOWEVER -0 is floatequal to 0, so we ensure no sign bits are set on diff

if((mask^0xf) || signMask != 0)

{

return true;

}

return false;

#elif ENABLED(RDOC_X64)

uint64_t *a64 = (uint64_t *)a;

uint64_t *b64 = (uint64_t *)b;

return a64[0] != b64[0] || a64[1] != b64[1];

#else

uint32_t *a32 = (uint32_t *)a;

uint32_t *b32 = (uint32_t *)b;

return a32[0] != b32[0] || a32[1] != b32[1] || a32[2] != b32[2] || a32[3] != b32[3];

#endif

{

RDCASSERT(uintptr_t(a) % 16 == 0);

RDCASSERT(uintptr_t(b) % 16 == 0);

diffStart = bufSize + 1;

diffEnd = 0;

size_t alignedSize = bufSize & (~0xf);

size_t numVecs = alignedSize / 16;

size_t offs = 0;

float *aflt = (float *)a;

float *bflt = (float *)b;

// sweep to find the start of differences

for(size_t v = 0; v < numVecs; v++)

{

if(Vec16NotEqual(aflt, bflt))

{

diffStart = offs;

break;

}

aflt += 4;

bflt += 4;

offs += 4 * sizeof(float);

}

// make sure we're byte-accurate, to comply with WRITE_NO_OVERWRITE

while(diffStart < bufSize && *((byte *)a + diffStart) == *((byte *)b + diffStart))

diffStart++;

// do we have some unaligned bytes at the end of the buffer?

if(bufSize > alignedSize)

{

size_t numBytes = bufSize - alignedSize;

// if we haven't even found a start, check in these bytes

if(diffStart > bufSize)

{

offs = bufSize;

for(size_t by = 0; by < numBytes; by++)

{

if(*((byte *)a + alignedSize + by) != *((byte *)b + alignedSize + by))

{

diffStart = offs;

break;

}

offs++;

}

}

// sweep from the last byte to find the end

for(size_t by = 0; by < numBytes; by++)

{

if(*((byte *)a + bufSize - 1 - by) != *((byte *)b + bufSize - 1 - by))

{

diffEnd = bufSize - by;

break;

}

}

}

// if we haven't found a start, or we've found a start AND and end,

// then we're done.

if(diffStart > bufSize || diffEnd > 0)

return diffStart < bufSize;

offs = alignedSize;

// sweep from the last __m128

aflt = (float *)a + offs / sizeof(float) - 4;

bflt = (float *)b + offs / sizeof(float) - 4;

for(size_t v = 0; v < numVecs; v++)

{

if(Vec16NotEqual(aflt, bflt))

{

diffEnd = offs;

break;

}

aflt -= 4;

bflt -= 4;

offs -= 16;

}

// make sure we're byte-accurate, to comply with WRITE_NO_OVERWRITE

while(diffEnd > 0 && *((byte *)a + diffEnd - 1) == *((byte *)b + diffEnd - 1))

diffEnd--;

// if we found a start then we necessarily found an end

return diffStart < bufSize;

{

int mipLevels = 1;

while(w > 1 || h > 1 || d > 1)

{

w = RDCMAX(1, w >> 1);

h = RDCMAX(1, h >> 1);

d = RDCMAX(1, d >> 1);

mipLevels++;

}

return mipLevels;

{

RDCASSERT(value > 0);

return 31 - Bits::CountLeadingZeroes(value);

{

RDCASSERT(value > 0);

return 63 - Bits::CountLeadingZeroes(value);

{

string previous = logfile;

logfile = "";

if(filename && filename[0])

logfile = filename;

FileIO::logfile_close(NULL);

logfileOpened = false;

if(!logfile.empty())

{

logfileOpened = FileIO::logfile_open(filename);

if(logfileOpened && previous.c_str())

{

vector<unsigned char> previousContents;

FileIO::slurp(previous.c_str(), previousContents);

if(!previousContents.empty())

FileIO::logfile_append((const char *)&previousContents[0], previousContents.size());

FileIO::Delete(previous.c_str());

}

}

{

log_output_enabled = false;

FileIO::logfile_close(filename);

{

static Threading::CriticalSection lock;

SCOPED_LOCK(lock);

#if ENABLED(OUTPUT_LOG_TO_DEBUG_OUT)

OSUtility::WriteOutput(OSUtility::Output_DebugMon, fullMsg);

#endif

#if ENABLED(OUTPUT_LOG_TO_STDOUT)

// don't output debug messages to stdout/stderr

if(type != LogType::Debug && log_output_enabled)

OSUtility::WriteOutput(OSUtility::Output_StdOut, msg);

#endif

#if ENABLED(OUTPUT_LOG_TO_STDERR)

// don't output debug messages to stdout/stderr

if(type != LogType::Debug && log_output_enabled)

OSUtility::WriteOutput(OSUtility::Output_StdErr, msg);

#endif

#if ENABLED(OUTPUT_LOG_TO_DISK)

if(logfileOpened)

{

// strlen used as byte length - str is UTF-8 so this is NOT number of characters

FileIO::logfile_append(fullMsg, strlen(fullMsg));

}

#endif

const char *fmt, ...)

{

va_list args;

va_start(args, fmt);

// this copy is just for in case we need to print again if the buffer is oversized

va_list args2;

va_copy(args2, args);

char timestamp[64] = {0};

#if ENABLED(INCLUDE_TIMESTAMP_IN_LOG)

StringFormat::sntimef(timestamp, 63, "[%H:%M:%S] ");

#endif

char location[64] = {0};

#if ENABLED(INCLUDE_LOCATION_IN_LOG)

string loc;

loc = basename(string(file));

StringFormat::snprintf(location, 63, "% 20s(%4d) - ", loc.c_str(), line);

#endif

const char *typestr[(uint32_t)LogType::Count] = {

"Debug ", "Log ", "Warning", "Error ", "Fatal ",

};

static Threading::CriticalSection lock;

SCOPED_LOCK(lock);

rdclog_outputBuffer[rdclog_outBufSize] = rdclog_outputBuffer[0] = 0;

char *output = rdclog_outputBuffer;

size_t available = rdclog_outBufSize;

const char *base = output;

int numWritten = StringFormat::snprintf(output, available, "% 4s %06u: %s%s%s - ", project,

Process::GetCurrentPID(), timestamp, location,

typestr[(uint32_t)type]);

if(numWritten < 0)

{

va_end(args);

va_end(args2);

return;

}

output += numWritten;

available -= numWritten;

// -3 is for the " - " after the type.

const char *noPrefixOutput = (output - 3 - (sizeof(typestr[(uint32_t)type]) - 1));

int totalWritten = numWritten;

numWritten = StringFormat::vsnprintf(output, available, fmt, args);

totalWritten += numWritten;

va_end(args);

if(numWritten < 0)

{

va_end(args2);

return;

}

output += numWritten;

// we overran the static buffer. This is a 4k buffer so we won't be hitting this case often - just

// do the simple thing of allocating a temporary, print again, and re-assigning.

char *oversizedBuffer = NULL;

if(totalWritten > rdclog_outBufSize)

{

available = totalWritten + 3;

oversizedBuffer = output = new char[available];

base = output;

numWritten = StringFormat::snprintf(output, available, "% 4s %06u: %s%s%s - ", project,

Process::GetCurrentPID(), timestamp, location,

typestr[(uint32_t)type]);

output += numWritten;

available -= numWritten;

noPrefixOutput = (output - 3 - (sizeof(typestr[(uint32_t)type]) - 1));

numWritten = StringFormat::vsnprintf(output, available, fmt, args2);

output += numWritten;

va_end(args2);

}

*output = '\n';

*(output + 1) = 0;

rdclogprint_int(type, base, noPrefixOutput);

delete[] oversizedBuffer;