SH-874 Properly detect available video memory on ATI cards and disable vertex buffer objects when available vram is under 256MB.

1 files changed, 17 insertions, 0 deletions

diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index d5008c12b0..1c573eab00 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -457,6 +457,23 @@ public:
 				addText(xpos, ypos, "Shaders Disabled");
 				ypos += y_inc;
 			}
+
+			if (gGLManager.mHasATIMemInfo)
+			{
+				S32 meminfo[4];
+				glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, meminfo);
+
+				addText(xpos, ypos, llformat("%.2f MB Texture Memory Free", meminfo[0]/1024.f));
+				ypos += y_inc;
+
+				if (gGLManager.mHasVertexBufferObject)
+				{
+					glGetIntegerv(GL_VBO_FREE_MEMORY_ATI, meminfo);
+					addText(xpos, ypos, llformat("%.2f MB VBO Memory Free", meminfo[0]/1024.f));
+					ypos += y_inc;
+				}
+			}
+
 			addText(xpos, ypos, llformat("%d MB Vertex Data", LLVertexBuffer::sAllocatedBytes/(1024*1024)));
 			ypos += y_inc;