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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2022 Blender Foundation. All rights reserved. */
/** \file
* \ingroup gpu
*/
#include "MEM_guardedalloc.h"
#include <cstring>
#include "BLI_blenlib.h"
#include "BLI_math_base.h"
#include "gpu_backend.hh"
#include "GPU_material.h"
#include "GPU_vertex_buffer.h" /* For GPUUsageType. */
#include "GPU_storage_buffer.h"
#include "gpu_storage_buffer_private.hh"
#include "gpu_vertex_buffer_private.hh"
/* -------------------------------------------------------------------- */
/** \name Creation & Deletion
* \{ */
namespace blender::gpu {
StorageBuf::StorageBuf(size_t size, const char *name)
{
/* Make sure that UBO is padded to size of vec4 */
BLI_assert((size % 16) == 0);
size_in_bytes_ = size;
BLI_strncpy(name_, name, sizeof(name_));
}
StorageBuf::~StorageBuf()
{
MEM_SAFE_FREE(data_);
}
} // namespace blender::gpu
/** \} */
/* -------------------------------------------------------------------- */
/** \name C-API
* \{ */
using namespace blender::gpu;
GPUStorageBuf *GPU_storagebuf_create_ex(size_t size,
const void *data,
GPUUsageType usage,
const char *name)
{
StorageBuf *ssbo = GPUBackend::get()->storagebuf_alloc(size, usage, name);
/* Direct init. */
if (data != nullptr) {
ssbo->update(data);
}
return wrap(ssbo);
}
void GPU_storagebuf_free(GPUStorageBuf *ssbo)
{
delete unwrap(ssbo);
}
void GPU_storagebuf_update(GPUStorageBuf *ssbo, const void *data)
{
unwrap(ssbo)->update(data);
}
void GPU_storagebuf_bind(GPUStorageBuf *ssbo, int slot)
{
unwrap(ssbo)->bind(slot);
}
void GPU_storagebuf_unbind(GPUStorageBuf *ssbo)
{
unwrap(ssbo)->unbind();
}
void GPU_storagebuf_unbind_all()
{
/* FIXME */
}
void GPU_storagebuf_clear(GPUStorageBuf *ssbo,
eGPUTextureFormat internal_format,
eGPUDataFormat data_format,
void *data)
{
unwrap(ssbo)->clear(internal_format, data_format, data);
}
void GPU_storagebuf_clear_to_zero(GPUStorageBuf *ssbo)
{
uint32_t data = 0u;
GPU_storagebuf_clear(ssbo, GPU_R32UI, GPU_DATA_UINT, &data);
}
void GPU_storagebuf_copy_sub_from_vertbuf(
GPUStorageBuf *ssbo, GPUVertBuf *src, uint dst_offset, uint src_offset, uint copy_size)
{
unwrap(ssbo)->copy_sub(unwrap(src), dst_offset, src_offset, copy_size);
}
/** \} */
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