diff options
Diffstat (limited to 'indra/newview/llglsandbox.cpp')
| -rwxr-xr-x | indra/newview/llglsandbox.cpp | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/indra/newview/llglsandbox.cpp b/indra/newview/llglsandbox.cpp index 687838a344..08ec8031e8 100755 --- a/indra/newview/llglsandbox.cpp +++ b/indra/newview/llglsandbox.cpp @@ -881,13 +881,14 @@ void LLViewerObjectList::renderObjectBeacons() F32 gpu_benchmark() { - if (!gGLManager.mHasShaderObjects) - { //don't bother benchmarking the fixed function + if (!gGLManager.mHasShaderObjects || !gGLManager.mHasTimerQuery) + { // don't bother benchmarking the fixed function + // or venerable drivers which don't support accurate timing anyway + // and are likely to be correctly identified by the GPU table already. return -1.f; } - - if (gBenchmarkProgram.mProgramObject == 0) + if (gBenchmarkProgram.mProgramObject == 0) { LLViewerShaderMgr::instance()->initAttribsAndUniforms(); @@ -983,15 +984,11 @@ F32 gpu_benchmark() bool busted_finish = false; - LL_INFOS() << "GPU BENCHMARK START." << LL_ENDL; - for (S32 c = -1; c < samples; ++c) { buff->setBuffer(LLVertexBuffer::MAP_VERTEX); glFinish(); - LL_INFOS() << "GPU BENCHMARK ITERATION." << LL_ENDL; - LLTimer timer; timer.start(); @@ -1029,11 +1026,10 @@ F32 gpu_benchmark() if (!gGLManager.mHasTimerQuery && !busted_finish && gbps > 128.f) { //unrealistically high bandwidth for a card without timer queries, glFinish is probably ignored busted_finish = true; - LL_INFOS() << "GPU BENCHMARK DETECTED GL DRIVER WITH NOT SO MUCH WORKING glFinish." << LL_ENDL; + LL_INFOS() << "GPU Benchmark detected GL driver with broken glFinish implementation. Neat." << LL_ENDL; } else { - LL_INFOS() << "GPU BENCHMARK ESTIMATE." << gbps << " Gbps" << LL_ENDL; results.push_back(gbps); } } @@ -1063,21 +1059,14 @@ F32 gpu_benchmark() } #endif - if (gGLManager.mHasTimerQuery) - { - F32 ms = gBenchmarkProgram.mTimeElapsed/1000000.f; - F32 seconds = ms/1000.f; + F32 ms = gBenchmarkProgram.mTimeElapsed/1000000.f; + F32 seconds = ms/1000.f; - F64 samples_drawn = res*res*count*samples; - F32 samples_sec = (samples_drawn/1000000000.0)/seconds; - gbps = samples_sec*8; + F64 samples_drawn = res*res*count*samples; + F32 samples_sec = (samples_drawn/1000000000.0)/seconds; + gbps = samples_sec*8; - LL_INFOS() << "Memory bandwidth is " << llformat("%.3f", gbps) << "GB/sec according to ARB_timer_query" << LL_ENDL; - } - else - { - LL_INFOS() << "ARB_timer_query unavailable." << LL_ENDL; - } + LL_INFOS() << "Memory bandwidth is " << llformat("%.3f", gbps) << "GB/sec according to ARB_timer_query" << LL_ENDL; return gbps; } |