1 files changed, 61 insertions, 0 deletions
diff --git a/source/blender/gpu/GPU_storage_buffer.h b/source/blender/gpu/GPU_storage_buffer.h
new file mode 100644
index 00000000000..f768181e826
--- /dev/null
+++ b/source/blender/gpu/GPU_storage_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
+ *
+ * Storage buffers API. Used to handle many way bigger buffers than Uniform buffers update at once.
+ * Make sure that the data structure is compatible with what the implementation expect.
+ * (see "7.8 Shader Buffer Variables and Shader Storage Blocks" from the OpenGL spec for more info
+ * about std430 layout)
+ * Rule of thumb: Padding to 16bytes, don't use vec3.
+ */
+
+#pragma once
+
+#include "GPU_vertex_buffer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ListBase;
+
+/** Opaque type hiding blender::gpu::StorageBuf. */
+typedef struct GPUStorageBuf GPUStorageBuf;
+
+GPUStorageBuf *GPU_storagebuf_create_ex(size_t size,
+                                        const void *data,
+                                        GPUUsageType usage,
+                                        const char *name);
+
+#define GPU_storagebuf_create(size) \
+  GPU_storagebuf_create_ex(size, NULL, GPU_USAGE_DYNAMIC, __func__);
+
+void GPU_storagebuf_free(GPUStorageBuf *ubo);
+
+void GPU_storagebuf_update(GPUStorageBuf *ubo, const void *data);
+
+void GPU_storagebuf_bind(GPUStorageBuf *ubo, int slot);
+void GPU_storagebuf_unbind(GPUStorageBuf *ubo);
+void GPU_storagebuf_unbind_all(void);
+
+#ifdef __cplusplus
+}
+#endif