diff options
Diffstat (limited to 'indra/llwindow/llopenglview-objc.mm')
| -rw-r--r-- | indra/llwindow/llopenglview-objc.mm | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/indra/llwindow/llopenglview-objc.mm b/indra/llwindow/llopenglview-objc.mm index e89c9267d5..a1dece54f4 100644 --- a/indra/llwindow/llopenglview-objc.mm +++ b/indra/llwindow/llopenglview-objc.mm @@ -39,6 +39,28 @@ @implementation LLOpenGLView +- (unsigned long)getVramSize +{ + unsigned long vram_bytes = 0; + + io_service_t display_port = CGDisplayIOServicePort(kCGDirectMainDisplay); + + const void* type_code = IORegistryEntryCreateCFProperty(display_port, CFSTR(kIOFBMemorySizeKey), kCFAllocatorDefault, kNilOptions); + + // Ensure we have valid data from IOKit + if(type_code && CFGetTypeID(type_code) == CFNumberGetTypeID()) + { + long val; + // Retrieve actual number...is Apple ever embarrassed by this nonsense? + // + CFNumberGetValue((const __CFNumber*)type_code, kCFNumberSInt32Type, &val); + vram_bytes = (unsigned long)val; + CFRelease(type_code); + } + + return vram_bytes; +} + - (void)viewDidMoveToWindow { [[NSNotificationCenter defaultCenter] addObserver:self |