OpenSubdiv: Add stub implementation of C-API

C-API is way smaller than the rest of the code which uses it.
So better to conditionally compile stub implementation than
to keep adding ifdef everywhere.

4 files changed, 138 insertions, 0 deletions

diff --git a/intern/opensubdiv/stub/opensubdiv_evaluator_stub.cc b/intern/opensubdiv/stub/opensubdiv_evaluator_stub.cc
new file mode 100644
index 00000000000..86c80fe8a54
--- /dev/null
+++ b/intern/opensubdiv/stub/opensubdiv_evaluator_stub.cc
@@ -0,0 +1,29 @@
+// Copyright 2018 Blender Foundation. All rights reserved.
+//
+// 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 2
+// 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, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// Author: Sergey Sharybin
+
+#include "opensubdiv_evaluator_capi.h"
+
+#include <cstddef>
+
+OpenSubdiv_Evaluator* openSubdiv_createEvaluatorFromTopologyRefiner(
+    struct OpenSubdiv_TopologyRefiner* /*topology_refiner*/) {
+  return NULL;
+}
+
+void openSubdiv_deleteEvaluator(OpenSubdiv_Evaluator* /*evaluator*/) {
+}
diff --git a/intern/opensubdiv/stub/opensubdiv_gl_mesh_stub.cc b/intern/opensubdiv/stub/opensubdiv_gl_mesh_stub.cc
new file mode 100644
index 00000000000..8f14a2326dd
--- /dev/null
+++ b/intern/opensubdiv/stub/opensubdiv_gl_mesh_stub.cc
@@ -0,0 +1,37 @@
+// Copyright 2018 Blender Foundation. All rights reserved.
+//
+// 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 2
+// 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, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// Author: Sergey Sharybin
+
+#include "opensubdiv_gl_mesh_capi.h"
+
+#include <cstddef>
+
+struct OpenSubdiv_GLMesh *openSubdiv_createOsdGLMeshFromTopologyRefiner(
+    OpenSubdiv_TopologyRefiner* /*topology_refiner*/,
+    eOpenSubdivEvaluator /*evaluator_type*/) {
+  return NULL;
+}
+
+void openSubdiv_deleteOsdGLMesh(OpenSubdiv_GLMesh* /*gl_mesh*/) {
+}
+
+bool openSubdiv_initGLMeshDrawingResources(void) {
+  return false;
+}
+
+void openSubdiv_deinitGLMeshDrawingResources(void) {
+}
diff --git a/intern/opensubdiv/stub/opensubdiv_stub.cc b/intern/opensubdiv/stub/opensubdiv_stub.cc
new file mode 100644
index 00000000000..f03f0a0ef94
--- /dev/null
+++ b/intern/opensubdiv/stub/opensubdiv_stub.cc
@@ -0,0 +1,35 @@
+// Copyright 2018 Blender Foundation. All rights reserved.
+//
+// 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 2
+// 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, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// Author: Sergey Sharybin
+
+#include "opensubdiv_capi.h"
+
+#include <cstddef>
+
+void openSubdiv_init(void) {
+}
+
+void openSubdiv_cleanup(void) {
+}
+
+int openSubdiv_getAvailableEvaluators(void) {
+  return 0;
+}
+
+int openSubdiv_getVersionHex(void) {
+  return 0;
+}
diff --git a/intern/opensubdiv/stub/opensubdiv_topology_refiner_stub.cc b/intern/opensubdiv/stub/opensubdiv_topology_refiner_stub.cc
new file mode 100644
index 00000000000..de98b0b5eee
--- /dev/null
+++ b/intern/opensubdiv/stub/opensubdiv_topology_refiner_stub.cc
@@ -0,0 +1,37 @@
+// Copyright 2018 Blender Foundation. All rights reserved.
+//
+// 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 2
+// 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, write to the Free Software Foundation,
+// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+// Author: Sergey Sharybin
+
+#include "opensubdiv_topology_refiner_capi.h"
+
+#include <cstddef>
+
+OpenSubdiv_TopologyRefiner* openSubdiv_createTopologyRefinerFromConverter(
+    OpenSubdiv_Converter* /*converter*/,
+    const OpenSubdiv_TopologyRefinerSettings* /*settings*/) {
+  return NULL;     
+}
+
+void openSubdiv_deleteTopologyRefiner(
+    OpenSubdiv_TopologyRefiner* /*topology_refiner*/) {
+}
+
+bool openSubdiv_topologyRefinerCompareWithConverter(
+    const OpenSubdiv_TopologyRefiner* /*topology_refiner*/,
+    const OpenSubdiv_Converter* /*converter*/) {
+  return false;
+}