mpv/libvo/gl_common.c

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#include "gl_common.h"
/**
* \brief adjusts the GL_UNPACK_ALGNMENT to fit the stride.
* \param stride number of bytes per line for which alignment should fit.
*/
void glAdjustAlignment(int stride) {
GLint gl_alignment;
if (stride % 8 == 0)
gl_alignment=8;
else if (stride % 4 == 0)
gl_alignment=4;
else if (stride % 2 == 0)
gl_alignment=2;
else
gl_alignment=1;
glPixelStorei (GL_UNPACK_ALIGNMENT, gl_alignment);
}