1 files changed, 22 insertions, 0 deletions
diff --git a/src/kernels/cl_internal_copy_image_3d_to_buffer.cl b/src/kernels/cl_internal_copy_image_3d_to_buffer.cl
new file mode 100644
index 00000000..dcfc8a24
--- /dev/null
+++ b/src/kernels/cl_internal_copy_image_3d_to_buffer.cl
@@ -0,0 +1,22 @@
+#define IMAGE_TYPE image3d_t
+#define COORD_TYPE int4
+kernel void __cl_copy_image_3d_to_buffer ( __read_only IMAGE_TYPE image, global uchar* buffer,
+                                        unsigned int region0, unsigned int region1, unsigned int region2,
+                                        unsigned int src_origin0, unsigned int src_origin1, unsigned int src_origin2,
+                                        unsigned int dst_offset)
+{
+  int i = get_global_id(0);
+  int j = get_global_id(1);
+  int k = get_global_id(2);
+  uint4 color;
+  const sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_NONE | CLK_FILTER_NEAREST;
+  COORD_TYPE src_coord;
+  if((i >= region0) || (j>= region1) || (k>=region2))
+    return;
+  src_coord.x = src_origin0 + i;
+  src_coord.y = src_origin1 + j;
+  src_coord.z = src_origin2 + k;
+  color = read_imageui(image, sampler, src_coord);
+  dst_offset += (k * region1 + j) * region0 + i;
+  buffer[dst_offset] = color.x;
+}