1 files changed, 61 insertions, 0 deletions
diff --git a/source/blender/gpu/GPU_uniform_buffer.h b/source/blender/gpu/GPU_uniform_buffer.h
new file mode 100644
index 00000000000..4a00dda634d
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+++ b/source/blender/gpu/GPU_uniform_buffer.h
@@ -0,0 +1,61 @@
+/*
+ * 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) 2005 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup gpu
+ *
+ * Uniform buffers API. Used to handle many uniforms update at once.
+ * Make sure that the data structure is compatible with what the implementation expect.
+ * (see "7.6.2.2 Standard Uniform Block Layout" from the OpenGL spec for more info about std140
+ * layout)
+ * Rule of thumb: Padding to 16bytes, don't use vec3, don't use arrays of anything that is not vec4
+ * aligned .
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ListBase;
+
+/** Opaque pointer hiding blender::gpu::UniformBuf. */
+typedef struct GPUUniformBuf {
+  void *dummy;
+} GPUUniformBuf;
+
+GPUUniformBuf *GPU_uniformbuf_create_ex(size_t size, const void *data, const char *name);
+GPUUniformBuf *GPU_uniformbuf_create_from_list(struct ListBase *inputs, const char *name);
+
+#define GPU_uniformbuf_create(size) GPU_uniformbuf_create_ex(size, NULL, __func__);
+
+void GPU_uniformbuf_free(GPUUniformBuf *ubo);
+
+void GPU_uniformbuf_update(GPUUniformBuf *ubo, const void *data);
+
+void GPU_uniformbuf_bind(GPUUniformBuf *ubo, int number);
+void GPU_uniformbuf_unbind(GPUUniformBuf *ubo);
+void GPU_uniformbuf_unbind_all(void);
+
+#define GPU_UBO_BLOCK_NAME "nodeTree"
+
+#ifdef __cplusplus
+}
+#endif