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Fix for T77095: work around render artifacts with AMD Radeon RX 4xx and 5xx

This commit is contained in:
Brecht Van Lommel 2020-06-18 14:33:16 +02:00 committed by Jeroen Bakker
parent d114288f90
commit 0148059c68
Notes: blender-bot 2023-02-14 10:14:07 +01:00 
Referenced by issue #77348, Blender LTS: Maintenance Task 2.83
1 changed files with 9 additions and 1 deletions
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10
intern/cycles/device/opencl/device_opencl_impl.cpp
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@ -1903,7 +1903,15 @@ string OpenCLDevice::kernel_build_options(const string *debug_src)
int version_major, version_minor;
if (OpenCLInfo::get_device_version(cdDevice, &version_major, &version_minor)) {
if (version_major >= 2) {
build_options += "-cl-std=CL2.0 ";
/* This appears to trigger a driver bug in Radeon RX cards, so we
* don't use OpenCL 2.0 for those. */
string device_name = OpenCLInfo::get_readable_device_name(cdDevice);
if (!(string_startswith(device_name, "Radeon RX 4") ||
string_startswith(device_name, "Radeon (TM) RX 4") ||
string_startswith(device_name, "Radeon RX 5") ||
string_startswith(device_name, "Radeon (TM) RX 5"))) {
build_options += "-cl-std=CL2.0 ";
}
}
}