bool
has_source_file_counterpart(void* file_name)
{
if (string_endswith((char*)file_name, ".c")) { return true; }
if (file_exists(change_extension(file_name, ".c"))) { return true; }
return false;
}
/*
* Load all replication slots from disk into memory at server startup. This
* needs to be run before we start crash recovery.
*/
void
StartupReplicationSlots(XLogRecPtr checkPointRedo)
{
DIR *replication_dir;
struct dirent *replication_de;
ereport(DEBUG1,
(errmsg("starting up replication slots")));
/* restore all slots by iterating over all on-disk entries */
replication_dir = AllocateDir("pg_replslot");
while ((replication_de = ReadDir(replication_dir, "pg_replslot")) != NULL)
{
struct stat statbuf;
char path[MAXPGPATH];
if (strcmp(replication_de->d_name, ".") == 0 ||
strcmp(replication_de->d_name, "..") == 0)
continue;
snprintf(path, MAXPGPATH, "pg_replslot/%s", replication_de->d_name);
/* we're only creating directories here, skip if it's not our's */
if (lstat(path, &statbuf) == 0 && !S_ISDIR(statbuf.st_mode))
continue;
/* we crashed while a slot was being setup or deleted, clean up */
if (string_endswith(replication_de->d_name, ".tmp"))
{
if (!rmtree(path, true))
{
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not remove directory \"%s\"", path)));
continue;
}
fsync_fname("pg_replslot", true);
continue;
}
/* looks like a slot in a normal state, restore */
RestoreSlotFromDisk(replication_de->d_name);
}
FreeDir(replication_dir);
/* currently no slots exist, we're done. */
if (max_replication_slots <= 0)
return;
/* Now that we have recovered all the data, compute replication xmin */
ReplicationSlotsComputeRequiredXmin();
ReplicationSlotsComputeRequiredLSN();
}
/**
* @fn _Bool virtual_cache_can_cache(virtual_cache_t vc, cache_item_name_t name)
* @brief Test if the current name is cacheable.
* @param vc The virtual cache pointer.
* @param name The name to test.
* @return true/false.
*/
_Bool virtual_cache_can_cache(virtual_cache_t vc, cache_item_name_t name) {
struct virtual_cache_s *v = (struct virtual_cache_s*)vc;
if(!v) return false;
_Bool ret = true;
if(!strlen(v->resources_to_exclude)) return ret;
stringtoken_t tokens = stringtoken_init(v->resources_to_exclude, ",");
char* temp;
while(stringtoken_has_more_tokens(tokens)) {
temp = stringtoken_next_token(tokens);
if(string_endswith(name, temp)) {
free(temp);
ret = false;
break;
}
free(temp);
}
stringtoken_release(tokens);
return ret;
}
bool OSLRenderServices::texture(ustring filename, TextureOpt &options,
OSL::ShaderGlobals *sg,
float s, float t, float dsdx, float dtdx,
float dsdy, float dtdy, float *result)
{
OSL::TextureSystem *ts = osl_ts;
ShaderData *sd = (ShaderData *)(sg->renderstate);
KernelGlobals *kg = sd->osl_globals;
#ifdef WITH_PTEX
/* todo: this is just a quick hack, only works with particular files and options */
if(string_endswith(filename.string(), ".ptx")) {
float2 uv;
int faceid;
if(!primitive_ptex(kg, sd, &uv, &faceid))
return false;
float u = uv.x;
float v = uv.y;
float dudx = 0.0f;
float dvdx = 0.0f;
float dudy = 0.0f;
float dvdy = 0.0f;
Ptex::String error;
PtexPtr<PtexTexture> r(ptex_cache->get(filename.c_str(), error));
if(!r) {
//std::cerr << error.c_str() << std::endl;
return false;
}
bool mipmaplerp = false;
float sharpness = 1.0f;
PtexFilter::Options opts(PtexFilter::f_bicubic, mipmaplerp, sharpness);
PtexPtr<PtexFilter> f(PtexFilter::getFilter(r, opts));
f->eval(result, options.firstchannel, options.nchannels, faceid, u, v, dudx, dvdx, dudy, dvdy);
for(int c = r->numChannels(); c < options.nchannels; c++)
result[c] = result[0];
return true;
}
#endif
OSLThreadData *tdata = kg->osl_tdata;
OIIO::TextureSystem::Perthread *thread_info = tdata->oiio_thread_info;
OIIO::TextureSystem::TextureHandle *th = ts->get_texture_handle(filename, thread_info);
bool status = ts->texture(th, thread_info,
options, s, t, dsdx, dtdx, dsdy, dtdy, result);
if(!status) {
if(options.nchannels == 3 || options.nchannels == 4) {
result[0] = 1.0f;
result[1] = 0.0f;
result[2] = 1.0f;
if(options.nchannels == 4)
result[3] = 1.0f;
}
}
return status;
}