diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_context_private.hh')
| -rw-r--r-- | source/blender/gpu/intern/gpu_context_private.hh | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/gpu/intern/gpu_context_private.hh b/source/blender/gpu/intern/gpu_context_private.hh index f823a92893c..2217e5262ed 100644 --- a/source/blender/gpu/intern/gpu_context_private.hh +++ b/source/blender/gpu/intern/gpu_context_private.hh @@ -48,6 +48,14 @@ class Context { DebugStack debug_stack; + /* GPUContext counter used to assign a unique ID to each GPUContext. + * NOTE(Metal): This is required by the Metal Backend, as a bug exists in the global OS shader + * cache wherein compilation of identical source from two distinct threads can result in an + * invalid cache collision, result in a broken shader object. Appending the unique context ID + * onto compiled sources ensures the source hashes are different. */ + static int context_counter; + int context_id = 0; + protected: /** Thread on which this context is active. */ pthread_t thread_; |