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barriers
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Specifies the barriers to insert. Must be a bitwise combination of
GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT
,
GL_ELEMENT_ARRAY_BARRIER_BIT
,
GL_UNIFORM_BARRIER_BIT
,
GL_TEXTURE_FETCH_BARRIER_BIT
,
GL_SHADER_IMAGE_ACCESS_BARRIER_BIT
,
GL_COMMAND_BARRIER_BIT
,
GL_PIXEL_BUFFER_BARRIER_BIT
,
GL_TEXTURE_UPDATE_BARRIER_BIT
,
GL_BUFFER_UPDATE_BARRIER_BIT
,
GL_FRAMEBUFFER_BARRIER_BIT
,
GL_TRANSFORM_FEEDBACK_BARRIER_BIT
,
GL_ATOMIC_COUNTER_BARRIER_BIT
,
or
GL_SHADER_STORAGE_BARRIER_BIT
.
If the special value
GL_ALL_BARRIER_BITS
is specified, all supported barriers will be inserted.
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