Commit: 094addfe84cd7404e5806a99da47f643e0321541
Author: Brecht Van Lommel
Date: Thu Sep 17 13:07:28 2020 +0200
Branches: blender-v2.83-release
https://developer.blender.org/rB094addfe84cd7404e5806a99da47f643e0321541
Fix OpenCL render error in large scenes
In scenes such as Cosmos Laundromat, there were memory allocations bigger than
2GB which would overflow.
Problem and solution found by AMD, thanks!
===================================================================
M intern/cycles/device/opencl/memory_manager.cpp
===================================================================
diff --git a/intern/cycles/device/opencl/memory_manager.cpp
b/intern/cycles/device/opencl/memory_manager.cpp
index 0285dc969ec..4330e07cb37 100644
--- a/intern/cycles/device/opencl/memory_manager.cpp
+++ b/intern/cycles/device/opencl/memory_manager.cpp
@@ -65,7 +65,7 @@ void
MemoryManager::DeviceBuffer::update_device_memory(OpenCLDevice *device)
}
/* Always allocate non-empty buffer, NULL pointers cause problems with some
drivers. */
- total_size = max(total_size, 16);
+ total_size = std::max(total_size, (size_t)16);
if (need_realloc) {
cl_ulong max_buffer_size;
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