1 files changed, 36 insertions, 0 deletions
diff --git a/libavfilter/opencl/pad.cl b/libavfilter/opencl/pad.cl
new file mode 100644
index 0000000000..e8dd6d6e42
--- /dev/null
+++ b/libavfilter/opencl/pad.cl
@@ -0,0 +1,36 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+const sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE |
+                          CLK_FILTER_NEAREST;
+
+__kernel void pad (
+    __read_only  image2d_t src,
+    __write_only image2d_t dst,
+    float4 color,
+    int2 xy)
+{
+    int2 size_src = get_image_dim(src);
+    int2 loc = (int2)(get_global_id(0), get_global_id(1));
+    int2 src_pos = (int2)(get_global_id(0) - xy.x, get_global_id(1) - xy.y);
+    float4 pixel = loc.x >= size_src.x + xy.x ||
+                   loc.y >= size_src.y + xy.y ||
+                   loc.x < xy.x ||
+                   loc.y < xy.y ? color : read_imagef(src, sampler, src_pos);
+    write_imagef(dst, loc, pixel);
+}