D3D11 Feature Level 10.0 on Intel HD Laptop

Started by CppPerson, Oct 20 2012 06:23 AM

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#1 CppPerson Members - Reputation: 163

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Posted 20 October 2012 - 06:23 AM

Hey,

I have the strangest of problems - I'm trying to run my game on my laptop and nothing is rendering. My setup is:

Intel HD Graphics on Toshiba laptop, latest drivers installed
Windows 7 64-bit
x86 target
Uses D3D11 API but 10.0 feature level.

Basically, as far as I can tell from all 3 debug tools I'm using, everything I'm doing is correct. PIX provides the most detail. I get lots of vertices going into the Vertex Shader correctly which I can inspect in the PreVS tab. The PostVS shows me garbage output data so something is clearly going wrong. Intel's GPA and AMD's GPUPerf tools are telling me a similar story but in much less detail.

However, if I step-debug the vertex shader, all the input data and shader constants are correctly setup and my output structure is correctly assembled! What's even stranger is that running this through the WARP device makes everything render correctly.

I'm highly suspicious about this being a driver bug but there's every chance I'm doing something odd myself. Has anybody seen anything like this before and can give any pointers?

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