create gs_texture from QPixmap/QImage

Sorry for not responding, you'll probably have to manually map the data. I.E. get the memory data from the QPixmap or QImage and then upload it to the texture.
 
I have found that OBS has a Image File Helper to create texture from file. What I need, is a API that reads texture from memory (for me, QPixmap/QImage). Is there anyway to make this work?
 
Finally, I found the solution:
First, make a rgba array for QImage, the length of it must be 4 times of image width * image height.
Second, use gs_texture_create and gs_texture_set_image to create & set texture from rgba array above.
Then you can render the texture in the context!
 
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