diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_storage_buffer_private.hh')
-rw-r--r-- | source/blender/gpu/intern/gpu_storage_buffer_private.hh | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/source/blender/gpu/intern/gpu_storage_buffer_private.hh b/source/blender/gpu/intern/gpu_storage_buffer_private.hh new file mode 100644 index 00000000000..46b7b2e9555 --- /dev/null +++ b/source/blender/gpu/intern/gpu_storage_buffer_private.hh @@ -0,0 +1,77 @@ +/* + * 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. + * + * Copyright 2020, Blender Foundation. + */ + +/** \file + * \ingroup gpu + */ + +#pragma once + +#include "BLI_sys_types.h" + +struct GPUStorageBuf; + +namespace blender { +namespace gpu { + +#ifdef DEBUG +# define DEBUG_NAME_LEN 64 +#else +# define DEBUG_NAME_LEN 8 +#endif + +/** + * Implementation of Storage Buffers. + * Base class which is then specialized for each implementation (GL, VK, ...). + */ +class StorageBuf { + protected: + /** Data size in bytes. */ + size_t size_in_bytes_; + /** Continuous memory block to copy to GPU. This data is owned by the StorageBuf. */ + void *data_ = NULL; + /** Debugging name */ + char name_[DEBUG_NAME_LEN]; + + public: + StorageBuf(size_t size, const char *name); + virtual ~StorageBuf(); + + virtual void update(const void *data) = 0; + virtual void bind(int slot) = 0; + virtual void unbind() = 0; +}; + +/* Syntactic sugar. */ +static inline GPUStorageBuf *wrap(StorageBuf *vert) +{ + return reinterpret_cast<GPUStorageBuf *>(vert); +} +static inline StorageBuf *unwrap(GPUStorageBuf *vert) +{ + return reinterpret_cast<StorageBuf *>(vert); +} +static inline const StorageBuf *unwrap(const GPUStorageBuf *vert) +{ + return reinterpret_cast<const StorageBuf *>(vert); +} + +#undef DEBUG_NAME_LEN + +} // namespace gpu +} // namespace blender |