diff options
Diffstat (limited to 'indra/newview/llglsandbox.cpp')
| -rwxr-xr-x | indra/newview/llglsandbox.cpp | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/indra/newview/llglsandbox.cpp b/indra/newview/llglsandbox.cpp index 4b8ac2b3cf..64f796e1fd 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(); @@ -920,7 +921,10 @@ F32 gpu_benchmark() //number of samples to take const S32 samples = 64; - LLGLSLShader::initProfile(); + if (gGLManager.mHasTimerQuery) + { + LLGLSLShader::initProfile(); + } LLRenderTarget dest[count]; U32 source[count]; @@ -964,16 +968,16 @@ F32 gpu_benchmark() v[0].set(-1,1,0); v[1].set(-1,-3,0); v[2].set(3,1,0); + buff->flush(); gBenchmarkProgram.bind(); - buff->setBuffer(LLVertexBuffer::MAP_VERTEX); - - //wait for any previoius GL commands to finish - glFinish(); bool busted_finish = false; + buff->setBuffer(LLVertexBuffer::MAP_VERTEX); + glFinish(); + for (S32 c = -1; c < samples; ++c) { LLTimer timer; @@ -1013,6 +1017,7 @@ 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_WARNS() << "GPU Benchmark detected GL driver with broken glFinish implementation." << LL_ENDL; } else { @@ -1023,10 +1028,12 @@ F32 gpu_benchmark() gBenchmarkProgram.unbind(); - LLGLSLShader::finishProfile(false); - - LLImageGL::deleteTextures(count, source); + if (gGLManager.mHasTimerQuery) + { + LLGLSLShader::finishProfile(false); + } + LLImageGL::deleteTextures(count, source); std::sort(results.begin(), results.end()); @@ -1037,27 +1044,20 @@ F32 gpu_benchmark() #if LL_DARWIN if (gbps > 512.f) { - LL_INFOS() << "Memory bandwidth is improbably high and likely incorrect." << LL_ENDL; + LL_WARNS() << "Memory bandwidth is improbably high and likely incorrect; discarding result." << LL_ENDL; //OSX is probably lying, discard result gbps = -1.f; } #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; } |