1 files changed, 60 insertions, 0 deletions
diff --git a/source/blender/gpu/opengl/gl_uniform_buffer.hh b/source/blender/gpu/opengl/gl_uniform_buffer.hh
new file mode 100644
index 00000000000..8cd2ab91be9
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+++ b/source/blender/gpu/opengl/gl_uniform_buffer.hh
@@ -0,0 +1,60 @@
+/*
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2020 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup gpu
+ */
+
+#pragma once
+
+#include "MEM_guardedalloc.h"
+
+#include "gpu_uniform_buffer_private.hh"
+
+#include "glew-mx.h"
+
+namespace blender {
+namespace gpu {
+
+/**
+ * Implementation of Uniform Buffers using OpenGL.
+ **/
+class GLUniformBuf : public UniformBuf {
+ private:
+  /** Slot to which this UBO is currently bound. -1 if not bound. */
+  int slot_ = -1;
+  /** OpenGL Object handle. */
+  GLuint ubo_id_ = 0;
+
+ public:
+  GLUniformBuf(size_t size, const char *name);
+  ~GLUniformBuf();
+
+  void update(const void *data) override;
+  void bind(int slot) override;
+  void unbind(void) override;
+
+ private:
+  void init(void);
+
+  MEM_CXX_CLASS_ALLOC_FUNCS("GLUniformBuf");
+};
+
+}  // namespace gpu
+}  // namespace blender