diff options
author | Clément Foucault <foucault.clem@gmail.com> | 2022-02-09 01:17:31 +0300 |
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committer | Clément Foucault <foucault.clem@gmail.com> | 2022-03-18 22:49:41 +0300 |
commit | bacfd55a0e4ca5a59ee46824c500992a3dddc6b6 (patch) | |
tree | 1c1a52204dcdf2312f975b0d03cc2b20f8c214ae /source/blender/gpu/GPU_storage_buffer.h | |
parent | 4544761a2d5cc5dfc42f5e374a9ec67144d4dd40 (diff) |
GPU/GL: Add StorageBuf implementation
Almost 1:1 identical to UniformBuf implementation.
Diffstat (limited to 'source/blender/gpu/GPU_storage_buffer.h')
-rw-r--r-- | source/blender/gpu/GPU_storage_buffer.h | 61 |
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 |