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PC Graphics

giuseppe
Journeyman III

Bug using glTeximage2D and PBO with large image ( more than 2048 ) and GL_BGR

Hi,

i have a graphic card AMD ATI Fire Pro V 4900 (window 7 x64) and would like upload an image (6Kx6K) with GL_BGR or GL_RGB pixel format into a 2D Texture (i'm using a pbo to transfer data to gpu). When i try to call glTexImage2D, application blocks indefinitely. Can you help me to understand if there is a driver bug?

I tested the same application on different Nvidia graphic cards with good results.

Thank you

Bye

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