static int blk_discard(int fd, __u32 cluster, __u64 start, __u64 len)
{
__u64 max_discard_len = S2B(B2S(UINT_MAX) / cluster * cluster);
while (len > 0) {
__u64 range[2];
int ret;
range[0] = start;
range[1] = MIN(len, max_discard_len);
if (start % S2B(cluster) && len > range[1])
range[1] -= start % S2B(cluster);
ploop_log(1, "Call BLKDISCARD start=%" PRIu64 " length=%" PRIu64, (uint64_t)range[0], (uint64_t)range[1]);
ret = ioctl_device(fd, BLKDISCARD, range);
if (ret)
return ret;
start += range[1];
len -= range[1];
}
return 0;
}
static void convertByteIndirectLoop(const char* dataIn,unsigned int strideIn,void* dataOut,GLsizei count,GLenum indices_type,const GLvoid* indices,unsigned int strideOut,int attribSize) {
for(int i = 0 ;i < count ;i++) {
unsigned short index = indices_type == GL_UNSIGNED_BYTE? ((GLubyte *)indices)[i]:
((GLushort *)indices)[i];
const GLbyte* bytes_data = (GLbyte *)(dataIn + index*strideIn);
GLshort* short_data = reinterpret_cast<GLshort*>(static_cast<unsigned char*>(dataOut) + index*strideOut);
for(int j=0;j<attribSize;j++) {
short_data[j] = B2S(bytes_data[j]);
}
}
}
static void convertByteDirectLoop(const char* dataIn,unsigned int strideIn,void* dataOut,unsigned int nBytes,unsigned int strideOut,int attribSize) {
for(unsigned int i = 0; i < nBytes;i+=strideOut) {
const GLbyte* byte_data = (const GLbyte *)dataIn;
//filling attrib
for(int j=0;j<attribSize;j++) {
reinterpret_cast<GLshort*>(&static_cast<unsigned char*>(dataOut)[i])[j] = B2S(byte_data[j]);
}
dataIn += strideIn;
}
}
