diff options
| -rw-r--r-- | indra/newview/app_settings/settings.xml | 22 | ||||
| -rw-r--r-- | indra/newview/llfeaturemanager.cpp | 17 | ||||
| -rw-r--r-- | indra/newview/llglsandbox.cpp | 1 |
3 files changed, 35 insertions, 5 deletions
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml index 0ccf74e923..60c415bc9e 100644 --- a/indra/newview/app_settings/settings.xml +++ b/indra/newview/app_settings/settings.xml @@ -8770,6 +8770,28 @@ <key>Value</key> <integer>1</integer> </map> + <key>RenderClass0MemoryBandwidth</key> + <map> + <key>Comment</key> + <string>Memory bandwidth at which to default to Class 0 in gigabytes per second. Used as basis for other classes.</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>F32</string> + <key>Value</key> + <real>16.0</real> + </map> + <key>RenderCPUBasis</key> + <map> + <key>Comment</key> + <string>Reference CPU clockspeed to use to bias GPU class (in MHz).</string> + <key>Persist</key> + <integer>1</integer> + <key>Type</key> + <string>F32</string> + <key>Value</key> + <real>3000.0</real> + </map> <key>RenderComplexityColorMin</key> <map> <key>Comment</key> diff --git a/indra/newview/llfeaturemanager.cpp b/indra/newview/llfeaturemanager.cpp index 3240f169b3..c3780e42c6 100644 --- a/indra/newview/llfeaturemanager.cpp +++ b/indra/newview/llfeaturemanager.cpp @@ -402,6 +402,7 @@ bool LLFeatureManager::loadGPUClass() { if (!gSavedSettings.getBOOL("SkipBenchmark")) { + F32 class0_gbps = gSavedSettings.getF32("RenderClass0MemoryBandwidth"); //get memory bandwidth from benchmark F32 gbps; try @@ -418,6 +419,12 @@ bool LLFeatureManager::loadGPUClass() LL_WARNS("RenderInit") << "GPU benchmark failed: " << e.what() << LL_ENDL; } + // bias by CPU speed + F32 cpu_basis_mhz = gSavedSettings.getF32("RenderCPUBasis"); + F32 cpu_mhz = (F32) gSysCPU.getMHz(); + F32 cpu_bias = llclamp(cpu_mhz / cpu_basis_mhz, 0.5f, 1.f); + gbps *= cpu_bias; + if (gbps < 0.f) { //couldn't bench, use GLVersion #if LL_DARWIN @@ -460,23 +467,23 @@ bool LLFeatureManager::loadGPUClass() { mGPUClass = GPU_CLASS_1; } - else if (gbps <= 5.f) + else if (gbps <= class0_gbps) { mGPUClass = GPU_CLASS_0; } - else if (gbps <= 8.f) + else if (gbps <= class0_gbps*2.f) { mGPUClass = GPU_CLASS_1; } - else if (gbps <= 16.f) + else if (gbps <= class0_gbps*4.f) { mGPUClass = GPU_CLASS_2; } - else if (gbps <= 40.f) + else if (gbps <= class0_gbps*8.f) { mGPUClass = GPU_CLASS_3; } - else if (gbps <= 80.f) + else if (gbps <= class0_gbps*16.f) { mGPUClass = GPU_CLASS_4; } diff --git a/indra/newview/llglsandbox.cpp b/indra/newview/llglsandbox.cpp index 175f1849cf..0c8e248538 100644 --- a/indra/newview/llglsandbox.cpp +++ b/indra/newview/llglsandbox.cpp @@ -984,6 +984,7 @@ private: //----------------------------------------------------------------------------- // gpu_benchmark() +// returns measured memory bandwidth of GPU in gigabytes per second //----------------------------------------------------------------------------- F32 gpu_benchmark() { |