diff options
Diffstat (limited to 'indra/llwindow/llwindowmacosx.cpp')
| -rw-r--r-- | indra/llwindow/llwindowmacosx.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/indra/llwindow/llwindowmacosx.cpp b/indra/llwindow/llwindowmacosx.cpp index 2c841d4703..8bfaeca614 100644 --- a/indra/llwindow/llwindowmacosx.cpp +++ b/indra/llwindow/llwindowmacosx.cpp @@ -1225,6 +1225,16 @@ F32 LLWindowMacOSX::getPixelAspectRatio() return 1.f; } +U32 LLWindowMacOSX::getAvailableVRAMMegabytes() { + // MTL (and MoltenVK) has some additional gpu data, such as recommendedMaxWorkingSetSize and currentAllocatedSize. + // But these are not available for OpenGL and/or our current mimimum OS version. + // So we will estimate. + static const U32 mb = 1024*1024; + // We're asked for total available gpu memory, but we only have allocation info on texture usage. So estimate by doubling that. + static const U32 total_factor = 2; // estimated total/textures + return gGLManager.mVRAM - (LLImageGL::getTextureBytesAllocated() * total_factor/mb); +} + //static SInt32 oldWindowLevel; // MBW -- XXX -- There's got to be a better way than this. Find it, please... |