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I’m wondering if glUniformXXv blocks until the data the pointer is referering to is copied to GPU. In other words, can this code cause issues if the GPU is busy?
int i=5;
glUniform1iv(location,1,&i);
i = 6;
Will this cause glUniform1fv to send 6 if the GPU is busy?
With the exception of OpenGL functions that end in the word “Pointer”, every OpenGL function that takes a pointer will read from/write to that pointer before it returns. So changes to the memory after the fact will not be seen.