add macOS implementation

macos/include/backend/PipelineState.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TNT_FILAMENT_BACKEND_PIPELINESTATE_H
+#define TNT_FILAMENT_BACKEND_PIPELINESTATE_H
+
+#include <backend/DriverEnums.h>
+#include <backend/Handle.h>
+
+#include <limits>
+
+#include <stdint.h>
+
+namespace filament::backend {
+
+//! \privatesection
+
+struct PipelineState {
+    Handle<HwProgram> program;
+    RasterState rasterState;
+    StencilState stencilState;
+    PolygonOffset polygonOffset;
+    Viewport scissor{ 0, 0,
+                      (uint32_t)std::numeric_limits<int32_t>::max(),
+                      (uint32_t)std::numeric_limits<int32_t>::max()
+    };
+};
+
+} // namespace filament::backend
+
+#if !defined(NDEBUG)
+utils::io::ostream& operator<<(utils::io::ostream& out, const filament::backend::PipelineState& ps);
+#endif
+
+#endif //TNT_FILAMENT_BACKEND_PIPELINESTATE_H