initial commit

1 files changed, 33 insertions, 0 deletions

diff --git a/src/cl/spirt.cl b/src/cl/spirt.cl
new file mode 100644
index 0000000..300f552
--- /dev/null
+++ b/src/cl/spirt.cl
@@ -0,0 +1,33 @@
+/* Copyright (C) 2024 Aiden Gall
+
+This program 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.
+
+This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+__kernel void
+hello(__global ushort *const canvas)
+{
+	size_t idx, w, h, i, j;
+
+	w = get_global_size(0);
+	h = get_global_size(1);
+
+	i = get_global_id(0);
+	j = get_global_id(1);
+
+	idx = (w * j + i) * 4;
+
+	canvas[idx] = (ushort)((65535 * i) / (w - 1));
+	canvas[idx + 1] = (ushort)((65535 * j) / (h - 1));
+	canvas[idx + 2] = 16383;
+	canvas[idx + 3] = 65535;
+}