Add optional OpenGL interop helper function for OpenCL target

1 files changed, 38 insertions, 0 deletions

diff --git a/boltzgen/kernel/template/pattern/AA.cl.mako b/boltzgen/kernel/template/pattern/AA.cl.mako
index f8a73cc..2a88755 100644
--- a/boltzgen/kernel/template/pattern/AA.cl.mako
+++ b/boltzgen/kernel/template/pattern/AA.cl.mako
@@ -165,3 +165,41 @@ __kernel void ${name}_cells_tock(
 }
 % endif
 </%def>
+
+<%def name="functor_with_domain_dispatch(name, params = None)">
+__kernel void ${name}_tick(
+      __global ${float_type}* f
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+    const unsigned int gid = ${index.gid('get_global_id(0)', 'get_global_id(1)', 'get_global_id(2)')};
+    __global ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(descriptor.c.index(-c_i))}];
+% endfor
+
+    ${caller.body()}
+}
+
+__kernel void ${name}_tock(
+      __global ${float_type}* f
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+    const unsigned int gid = ${index.gid('get_global_id(0)', 'get_global_id(1)', 'get_global_id(2)')};
+    __global ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i) + layout.neighbor_offset(c_i)}];
+% endfor
+
+    ${caller.body()}
+}
+</%def>