pve, pygl

pygl/vertexbuffer.py

@@ -0,0 +1,35 @@
+# People's Video Editor: high quality, GPU accelerated mp4 editor
+# Copyright (C) 2025 Roz K <roz@rozk.net>
+#
+# This file is part of People's Video Editor.
+#
+# People's Video Editor is free software: you can redistribute it and/or modify it under the terms of the
+# GNU General Public License as published by the Free Software Foundation, either version 3 of the License,
+# or (at your option) any later version.
+#
+# People's Video Editor is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with People's Video Editor.
+# If not, see <https://www.gnu.org/licenses/>.
+
+import libgl
+
+class VertexBuffer:
+    __slots__ = '_buffer', '_size'
+
+    def __init__(self, size):
+        self._buffer = libgl.create_vertex_buffer(size)
+        self._size = size
+
+    def __del__(self):
+        libgl.delete_vertex_buffer(self._buffer)
+
+    @property
+    def size(self):
+        return self._size
+
+    def upload(self, mesh):
+        assert (self._size >= mesh.size)
+        return libgl.upload_vertex_buffer(self._buffer, mesh.view, mesh.size)