pve, pygl

pygl/texture.py

@@ -0,0 +1,66 @@
+# 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 Texture:
+    __slots__ = '_geometry', '_format', '_texture'
+
+    def __init__(self, geometry, format):
+        self._geometry = geometry
+        self._format = format
+        self._texture = libgl.create_texture(geometry.width, geometry.height, format.channels, format.depth)
+
+    def __del__(self):
+        libgl.delete_texture(self._texture)
+
+    @property
+    def geometry(self):
+        return self._geometry
+
+    @property
+    def width(self):
+        return self._geometry._width
+
+    @property
+    def height(self):
+        return self._geometry._height
+
+    @property
+    def ratio(self):
+        return self._geometry._ratio
+
+    @property
+    def format(self):
+        return self._format
+
+    @property
+    def channels(self):
+        return self._format._channels
+
+    @property
+    def depth(self):
+        return self._format._depth
+
+    def upload(self, pixmap):
+        assert (self._format == pixmap.format)
+        assert (self._geometry >= pixmap.geometry)
+        return libgl.upload_texture(self._texture, pixmap.view, pixmap.line_size)
+
+    def download(self, pixmap):
+        assert (self._format == pixmap.format)
+        assert (self._geometry >= pixmap.geometry)
+        return libgl.upload_texture(self._texture, pixmap.view, pixmap.line_size)