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Update so that vbo is not recreated on each from, but is read into

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This commit is contained in:
Grant Sanderson 2024-08-17 07:11:56 -05:00
parent 0efa96e399
commit f9b9cf69fd
2 changed files with 19 additions and 10 deletions
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2
manimlib/mobject/mobject.py
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@ -2050,7 +2050,7 @@ class Mobject(object):
if self._data_has_changed:
self.shader_wrappers = self.get_shader_wrapper_list(ctx)
for shader_wrapper in self.shader_wrappers:
shader_wrapper.generate_vao()
shader_wrapper.load_data()
self._data_has_changed = False
for shader_wrapper in self.shader_wrappers:
shader_wrapper.update_program_uniforms(camera_uniforms)

27
manimlib/shader_wrapper.py
View file

@ -229,21 +229,30 @@ class ShaderWrapper(object):
for name, value in uniforms.items():
set_program_uniform(self.program, name, value)
def get_vertex_buffer_object(self, refresh: bool = True):
if refresh:
self.vbo = self.ctx.buffer(self.vert_data)
def get_vertex_buffer_object(self):
self.vbo = self.ctx.buffer(self.vert_data)
return self.vbo
def get_index_buffer_object(self, refresh: bool = True):
if refresh and len(self.vert_indices) > 0:
def get_index_buffer_object(self):
if len(self.vert_indices) > 0:
self.ibo = self.ctx.buffer(self.vert_indices.astype(np.uint32))
return self.ibo
def generate_vao(self, refresh: bool = True):
self.release()
def load_data(self):
if self.vao is None:
self.generate_vao()
elif self.vao.vertices != len(self.vert_data):
self.release()
self.generate_vao()
else:
self.vbo.write(self.vert_data)
if self.ibo is not None:
self.ibo.write(self.self.vert_indices.astype(np.uint32))
def generate_vao(self):
# Data buffer
vbo = self.get_vertex_buffer_object(refresh)
ibo = self.get_index_buffer_object(refresh)
vbo = self.get_vertex_buffer_object()
ibo = self.get_index_buffer_object()
# Vertex array object
self.vao = self.ctx.vertex_array(