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Fix deadlock in recent Cycles colorspace changes

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This code is not used yet so didn't affect anyone.
This commit is contained in:
Brecht Van Lommel 2019-05-07 16:51:33 +02:00
parent 0d29a4fa7a
commit 109ef278cc
1 changed files with 5 additions and 4 deletions
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9
intern/cycles/render/colorspace.cpp
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@ -38,7 +38,8 @@ ustring u_colorspace_srgb("__builtin_srgb");
/* Cached data. */
#ifdef WITH_OCIO
static thread_mutex cache_mutex;
static thread_mutex cache_colorspaces_mutex;
static thread_mutex cache_processors_mutex;
static unordered_map<ustring, ustring, ustringHash> cached_colorspaces;
static unordered_map<ustring, OCIO::ConstProcessorRcPtr, ustringHash> cached_processors;
#endif
@ -60,7 +61,7 @@ ColorSpaceProcessor *ColorSpaceManager::get_processor(ustring colorspace)
/* Cache processor until free_memory(), memory overhead is expected to be
* small and the processor is likely to be reused. */
thread_scoped_lock cache_lock(cache_mutex);
thread_scoped_lock cache_processors_lock(cache_processors_mutex);
if (cached_processors.find(colorspace) == cached_processors.end()) {
try {
cached_processors[colorspace] = config->getProcessor(colorspace.c_str(), "scene_linear");
@ -106,7 +107,7 @@ ustring ColorSpaceManager::detect_known_colorspace(ustring colorspace,
/* Use OpenColorIO. */
#ifdef WITH_OCIO
{
thread_scoped_lock cache_lock(cache_mutex);
thread_scoped_lock cache_lock(cache_colorspaces_mutex);
/* Cached lookup. */
if (cached_colorspaces.find(colorspace) != cached_colorspaces.end()) {
return cached_colorspaces[colorspace];
@ -117,7 +118,7 @@ ustring ColorSpaceManager::detect_known_colorspace(ustring colorspace,
bool is_scene_linear, is_srgb;
is_builtin_colorspace(colorspace, is_scene_linear, is_srgb);
thread_scoped_lock cache_lock(cache_mutex);
thread_scoped_lock cache_lock(cache_colorspaces_mutex);
if (is_scene_linear) {
VLOG(1) << "Colorspace " << colorspace.string() << " is no-op";
cached_colorspaces[colorspace] = u_colorspace_raw;