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GeForce4ti vertex shaders on 10.3.7

Hi guys,

Since upgrading to 10.3.7 on my G4 MP with GeForce4ti 4600, I've noticed that anything I try to render using an ARB vertex shader fails without causing a GL error. I'm wondering if anyone else has seen this or has any ideas, before I file a defect report with apple.

At first I thought it must have been a bug introduced in the program which I hadn't noticed, but the program still runs fine on the other test machines (laptop with GeForce Go5200, laptop with radeon mobility, windows boxen with x800.

The symptoms are that the meshes rendered while an ARB vertex program is bound are not visible; they still appear to affect the zbuffer but not the color buffer. No GL errors are reported that I've noticed.

I've dumped the vertex program into the shader builder, but it appears the shader builder no longer works on my machine either - no error, but nothing rendered other than the axis lines. I tried a null program and also some of the apple vertex examples which used to work.

The "Vertex Optimization" sample also fails to render when in "Vertex Program" mode, though I haven't tried this sample prior to installing this OS version.

any thoughts?

chris

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