diff options
Diffstat (limited to 'indra/newview/llglsandbox.cpp')
| -rw-r--r-- | indra/newview/llglsandbox.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/indra/newview/llglsandbox.cpp b/indra/newview/llglsandbox.cpp index 19cb4d04e2..930a8c28d9 100644 --- a/indra/newview/llglsandbox.cpp +++ b/indra/newview/llglsandbox.cpp @@ -1075,6 +1075,9 @@ F32 gpu_benchmark() return -1.f; } LLImageGL::setManualImage(GL_TEXTURE_2D, 0, GL_RGBA, res,res,GL_RGBA, GL_UNSIGNED_BYTE, pixels); + // disable mipmaps and use point filtering to cause cache misses + gGL.getTexUnit(0)->setHasMipMaps(false); + gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT); if (alloc_timer.getElapsedTimeF32() > time_limit) { @@ -1191,7 +1194,8 @@ F32 gpu_benchmark() F32 seconds = ms/1000.f; F64 samples_drawn = (F64)gBenchmarkProgram.mSamplesDrawn; - F32 samples_sec = (F32)((samples_drawn/1000000000.0)/seconds); + F64 gpixels_drawn = samples_drawn / 1000000000.0; + F32 samples_sec = (F32)(gpixels_drawn/seconds); gbps = samples_sec*4; // 4 bytes per sample LL_INFOS("Benchmark") << "Memory bandwidth is " << llformat("%.3f", gbps) << " GB/sec according to ARB_timer_query, total time " << seconds << " seconds" << LL_ENDL; |