Initial import of streamer source code

1 files changed, 28 insertions, 0 deletions

diff --git a/vertex.glsl b/vertex.glsl
new file mode 100644
index 0000000..29c4f4a
--- /dev/null
+++ b/vertex.glsl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2023 Mikhail Burakov. This file is part of streamer.
+ *
+ * streamer 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.
+ *
+ * streamer 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 streamer.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+attribute vec2 position;
+
+varying vec2 texcoord;
+
+void main() {
+  texcoord = position;
+  mat4 transform_matrix =
+      mat4(vec4(2.0, 0.0, 0.0, 0.0), vec4(0.0, 2.0, 0.0, 0.0),
+           vec4(0.0, 0.0, 2.0, 0.0), vec4(-1.0, -1.0, 0.0, 1.0));
+  gl_Position = transform_matrix * vec4(position, 0.0, 1.0);
+}