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Use ibo for single use render groups

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This commit is contained in:
Grant Sanderson
2023-01-14 16:03:16 -08:00
parent 702bb2776c
commit 5b8fb1828f
1 changed files with 12 additions and 4 deletions
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16
manimlib/camera/camera.py
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@ -412,12 +412,20 @@ class Camera(object):
# Data buffer
vert_data = shader_wrapper.vert_data
indices = shader_wrapper.vert_indices
if indices is not None:
if indices is None:
ibo = None
elif single_use:
ibo = self.ctx.buffer(indices)
else:
# The vao.render call is strangely longer
# when an index buffer is used, so if the
# mobject is not changing, meaning only its
# uniforms are being updated, just create
# a larger data array based on the indices
# and don't bother with the ibo
vert_data = vert_data[indices]
ibo = None
vbo = self.ctx.buffer(vert_data)
# For the moment, the index buffer is actually not used,
# since it seems to make the actual render calls meaninfully slower
ibo = None
# Program and vertex array
shader_program, vert_format = self.get_shader_program(shader_wrapper)