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-rw-r--r--indra/llwindow/llwindowsdl.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/indra/llwindow/llwindowsdl.cpp b/indra/llwindow/llwindowsdl.cpp
index ecbbde20df..68ad988132 100644
--- a/indra/llwindow/llwindowsdl.cpp
+++ b/indra/llwindow/llwindowsdl.cpp
@@ -68,6 +68,9 @@ static bool ATIbug = false;
#if LL_DARWIN
+#include <OpenGL/OpenGL.h>
+#include <CoreGraphics/CGDirectDisplay.h>
+
BOOL gHiDPISupport = TRUE;
namespace
@@ -671,6 +674,19 @@ BOOL LLWindowSDL::createContext(int x, int y, int width, int height, int bits, B
{
LL_INFOS() << "X11 log-parser detected " << gGLManager.mVRAM << "MB VRAM." << LL_ENDL;
} else
+#elif LL_DARWIN
+ CGLRendererInfoObj info = 0;
+ GLint vram_megabytes = 0;
+ int num_renderers = 0;
+ auto err = CGLQueryRendererInfo(CGDisplayIDToOpenGLDisplayMask(kCGDirectMainDisplay),
+ &info, &num_renderers);
+ if (!err) {
+ CGLDescribeRenderer(info, 0, kCGLRPVideoMemoryMegabytes, &vram_megabytes);
+ CGLDestroyRendererInfo(info);
+ } else
+ vram_megabytes = 256;
+ gGLManager.mVRAM = vram_megabytes;
+ LL_INFOS() << "Detected " << gGLManager.mVRAM << "MB VRAM." << LL_ENDL;
# endif // LL_X11
{
/*