diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp index 9cd5dc8145..a268ea07bb 100644 --- a/indra/llrender/llglslshader.cpp +++ b/indra/llrender/llglslshader.cpp @@ -57,6 +57,7 @@ S32 LLGLSLShader::sIndexedTextureChannels = 0; U32 LLGLSLShader::sMaxGLTFMaterials = 0; U32 LLGLSLShader::sMaxGLTFNodes = 0; bool LLGLSLShader::sProfileEnabled = false; +bool LLGLSLShader::sCanProfile = true; std::set LLGLSLShader::sInstances; LLGLSLShader::defines_map_t LLGLSLShader::sGlobalDefines; U64 LLGLSLShader::sTotalTimeElapsed = 0; @@ -267,7 +268,7 @@ void LLGLSLShader::placeProfileQuery(bool for_runtime) bool LLGLSLShader::readProfileQuery(bool for_runtime, bool force_read) { - if (sProfileEnabled || for_runtime) + if ((sProfileEnabled || for_runtime) && sCanProfile) { if (!mProfilePending) { diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h index 4702a27cc5..272a99aaa5 100644 --- a/indra/llrender/llglslshader.h +++ b/indra/llrender/llglslshader.h @@ -160,6 +160,7 @@ class LLGLSLShader static std::set sInstances; static bool sProfileEnabled; + static bool sCanProfile; LLGLSLShader(); ~LLGLSLShader(); diff --git a/indra/newview/llfeaturemanager.cpp b/indra/newview/llfeaturemanager.cpp index 052278f731..9f3df54b05 100644 --- a/indra/newview/llfeaturemanager.cpp +++ b/indra/newview/llfeaturemanager.cpp @@ -404,8 +404,53 @@ F32 logExceptionBenchmark() } #endif +bool checkRDNA35() +{ + // This checks if we're running on an RDNA3.5 GPU. You're only going to see these on AMD's APUs. + // As of driver version 25, we're seeing stalls in some of our queries. + // This appears to be a driver bug, and appears to be specific RDNA3.5 APUs. + // There's multiples of these guys, so we just use this function to check if that GPU is on the list of known RDNA3.5 APUs. + // - Geenz 11/12/2025 + std::array rdna35GPUs = { + "8060S", + "8050S", + "8040S", + "860M", + "840M", + "890M", + "880M" + }; + + for (const auto& gpu_name : rdna35GPUs) + { + if (gGLManager.getRawGLString().find(gpu_name) != std::string::npos) + { + LL_WARNS("RenderInit") << "Detected AMD RDNA3.5 GPU (" << gpu_name << ")." << LL_ENDL; + return true; + } + } + + return false; +} + bool LLFeatureManager::loadGPUClass() { + // This is a hack for certain AMD GPUs in newer driver versions on certain APUs. + // These GPUs will show inconsistent freezes when attempting to run shader profiles against them. + // This is extremely problematic as it can lead to: + // - Login freezes + // - Inability to start the client + // - Completely random avatars triggering a freeze + // As a result, we filter out these GPUs for shader profiling. + // - Geenz 11/11/2025 + + if (gGLManager.getRawGLString().find("Radeon") != std::string::npos && checkRDNA35() && gGLManager.mDriverVersionVendorString.find("25.") != std::string::npos) + { + LL_WARNS("RenderInit") << "Detected AMD RDNA3.5 GPU on a known bad driver; disabling shader profiling to prevent freezes." << LL_ENDL; + mSkipProfiling = true; + LLGLSLShader::sCanProfile = false; + } + if (!gSavedSettings.getBOOL("SkipBenchmark")) { F32 class1_gbps = gSavedSettings.getF32("RenderClass1MemoryBandwidth"); diff --git a/indra/newview/llfeaturemanager.h b/indra/newview/llfeaturemanager.h index 22de6afbae..d04b89cb60 100644 --- a/indra/newview/llfeaturemanager.h +++ b/indra/newview/llfeaturemanager.h @@ -123,6 +123,7 @@ class LLFeatureManager : public LLFeatureList, public LLSingleton